CN107462822A - The method of testing and system of a kind of power-down protection circuit - Google Patents
The method of testing and system of a kind of power-down protection circuit Download PDFInfo
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- CN107462822A CN107462822A CN201610392158.7A CN201610392158A CN107462822A CN 107462822 A CN107462822 A CN 107462822A CN 201610392158 A CN201610392158 A CN 201610392158A CN 107462822 A CN107462822 A CN 107462822A
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- 238000010998 test method Methods 0.000 title claims abstract description 10
- 238000004146 energy storage Methods 0.000 claims abstract description 113
- 238000012360 testing method Methods 0.000 claims abstract description 97
- 238000005259 measurement Methods 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 230000000052 comparative effect Effects 0.000 claims description 6
- 238000004088 simulation Methods 0.000 description 5
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- 238000010586 diagram Methods 0.000 description 3
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- 238000005070 sampling Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
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- 230000002427 irreversible effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
- G01R31/2827—Testing of electronic protection circuits
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- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a kind of method of testing and system of power-down protection circuit, and the method for testing of the power-down protection circuit includes：Charging measurement：Energy-storage travelling wave tube in power-down protection circuit is charged and detects whether the charging voltage on the energy-storage travelling wave tube reaches the first preset voltage value in the first preset time；Discharge test：The power-down protection circuit is connected into a fictitious load and detects whether the load voltage as caused by energy-storage travelling wave tube electric discharge on the fictitious load reaches whether discharge time of the second preset voltage value and the energy-storage travelling wave tube reaches the second preset time.Wherein it is possible to the charging measurement and discharge test that are circulated to the power-down protection circuit.The present invention can realize the full-automatic charging measurement and discharge test to power-down protection circuit, and the reliability of power-down protection circuit is effectively ensured, and inventive structure is simple, and control is flexible, using simple, facilitate producing line personnel to be tested, have wide applicability.
Description
Technical field
The present invention relates to electronic circuit technology field, the method for testing and system of specially a kind of power-down protection circuit.
Background technology
As a kind of sophisticated product, it must operate in the state of a kind of stabilization laser.It is internal in the event of unexpected power down
Irreversible damage easily occurs for precision optics, so needing power down protection design.For falling for power down protection design
Electric protection circuit mainly rely on uninterrupted power source (UPS), in the unexpected power down of laser, uninterrupted power source (UPS) after
Continue and provide electric energy for laser so that laser can work on timely normal shutdown after a period of time, with prevent laser by
It is damaged when unexpected unexpected power down.Power-down protection circuit has more application in actual production, in order to ensure that it can be in power down
In the case of, reliable and stable work is tested power-down protection circuit, it is necessary to devise a system to simulate actual environment.
The content of the invention
In view of the above the shortcomings that prior art, it is an object of the invention to provide a kind of method of testing of power-down protection circuit and
System, for solving that in the prior art power-down protection circuit can not be carried out test so that the reliable of power-down protection circuit can not be predicted
The problem of property.
In order to achieve the above objects and other related objects, the present invention provides a kind of method of testing of power-down protection circuit, the power down
The method of testing of protection circuit includes：Charging measurement：Energy-storage travelling wave tube in power-down protection circuit is charged and detects the storage
Whether the charging voltage on energy element reaches the first preset voltage value in the first preset time；Discharge test：The power down is protected
Protection circuit connects a fictitious load and detects whether the load voltage as caused by energy-storage travelling wave tube electric discharge on the fictitious load reaches
Whether the discharge time of the second preset voltage value and the energy-storage travelling wave tube reaches the second preset time.
In one embodiment of the invention, the method for testing of the power-down protection circuit also includes：To filling on the energy-storage travelling wave tube
Whether piezoelectric voltage reaches the first preset voltage value in the first preset time is indicated；To the load voltage on the fictitious load
Whether the discharge time for whether reaching the second preset voltage value and the energy-storage travelling wave tube reaches the second preset time and is indicated.
In one embodiment of the invention, the method for testing of the power-down protection circuit also includes：The power-down protection circuit is entered
The charging measurement and discharge test of row circulation.
In one embodiment of the invention, the cycle-index of the charging measurement of the circulation and the discharge test is more than 2.
To achieve the above object, the present invention also provides a kind of test system of power-down protection circuit, the survey of the power-down protection circuit
Test system includes：Microprocessor；Charging measurement module, including：Power supply, for being turned on the power-down protection circuit
When the energy-storage travelling wave tube in the power-down protection circuit is charged；First relay, respectively with the power supply, the storage
Energy element and the microprocessor are connected, for controlling the break-make between the power supply and the power-down protection circuit；The
One detection circuit, is integrated on the microprocessor and is connected with the energy-storage travelling wave tube in the power-down protection circuit, for detecting
State whether the charging voltage on energy-storage travelling wave tube reaches the first preset voltage value in the first preset time；First indicator elment, integrate
Be connected on the microprocessor and with the described first detection circuit, for the charging voltage on the energy-storage travelling wave tube whether the
Reach the first preset voltage value in one preset time to be indicated；Discharge test module, including：Fictitious load, with the power down
Protection circuit is connected, the second relay, is connected respectively with the fictitious load, the energy-storage travelling wave tube and the microprocessor,
For controlling the break-make between the fictitious load and the energy-storage travelling wave tube；Second detection circuit, is integrated on the microprocessor
And be connected with the fictitious load, for the separated and described fictitious load in the power supply and the power-down protection circuit
When being turned between the energy-storage travelling wave tube, detect on the fictitious load as the energy-storage travelling wave tube electric discharge caused by load voltage whether
Whether the discharge time for reaching the second preset voltage value and the energy-storage travelling wave tube reaches the second preset time；Second indicator elment, collection
It is connected described in Cheng Yu on microprocessor and with the described second detection circuit, for whether being reached to the load voltage on the fictitious load
Whether reach the second preset time to the discharge time of the second preset voltage value and the energy-storage travelling wave tube to be indicated.
In one embodiment of the invention, the energy-storage travelling wave tube is electric capacity or battery.
In one embodiment of the invention, the first detection circuit includes：First voltage sample circuit, for the energy storage
Charging voltage on element is sampled；First analog to digital conversion circuit, it is connected with the first voltage sample circuit, for institute
The sampled voltage for stating the acquisition of first voltage sample circuit carries out analog-to-digital conversion；First comparator, for by the sampling after analog-to-digital conversion
Voltage is compared with default first preset voltage value and exports comparison signal；First timer, for the energy-storage travelling wave tube
Charging interval carry out timing.
In one embodiment of the invention, first indicator elment includes：First voltage indicator lamp, with the first comparator
It is connected, for being indicated according to the comparative result of the first comparator；Charging interval indicator lamp, with first timer
It is connected, is indicated for whether reaching default first preset time to the timing time of first timer.
In one embodiment of the invention, the second detection circuit includes：Second voltage sample circuit, for the simulation
Load voltage in load is sampled；Second analog to digital conversion circuit, it is connected with the second voltage sample circuit, for institute
The sampled voltage for stating the acquisition of second voltage sample circuit carries out analog-to-digital conversion；Second comparator, for by the sampling after analog-to-digital conversion
Voltage is compared with default second preset voltage value and exports comparison signal；Second timer, for the energy-storage travelling wave tube
Discharge time carry out timing.
In one embodiment of the invention, second indicator elment includes：Second voltage indicator lamp, with second comparator
It is connected, for being indicated according to the comparative result of second comparator；Discharge time indicator lamp, with second timer
It is connected, is indicated for whether reaching default second preset time to the timing time of second timer.
As described above, the method for testing and system of a kind of power-down protection circuit of the present invention, have the advantages that：
1st, the present invention can realize the full-automatic charging measurement and discharge test to power-down protection circuit, and power down protection is effectively ensured
The reliability of circuit.
2nd, the present invention is simple in construction, and control is flexible, using simple, facilitate producing line personnel to be tested, has wide applicability.
Brief description of the drawings
Fig. 1 is shown as a kind of schematic flow sheet of the method for testing of power-down protection circuit of the present invention.
Fig. 2 is shown as a kind of specific implementation schematic diagram of the method for testing of power-down protection circuit of the present invention.
Fig. 3 is shown as a kind of theory diagram of the test system of power-down protection circuit of the present invention.
Fig. 4 is shown as a kind of structural representation of the test system of power-down protection circuit of the present invention.
Component label instructions
The test system of 100 power-down protection circuits
101 microprocessors
102 charging measurement modules
103 discharge test modules
200 power-down protection circuits
201 energy-storage travelling wave tubes
S101~S102 steps
Embodiment
Illustrate embodiments of the present invention below by way of specific instantiation, those skilled in the art can be as disclosed by this specification
Content understand easily the present invention other advantages and effect.The present invention can also add by way of a different and different embodiment
To implement or apply, the various details in this specification can also be based on different viewpoints and application, in the essence without departing from the present invention
God is lower to carry out various modifications or alterations.
The purpose of the present embodiment is to provide a kind of test system of power-down protection circuit, for solve in the prior art can not be to fall
Electric protection circuit carries out the problem of test is so as to predict the reliability of power-down protection circuit.The present embodiment described in detail below
A kind of power-down protection circuit test system principle and embodiment, make those skilled in the art do not need creative work i.e.
It is appreciated that a kind of test system of power-down protection circuit of the present embodiment.
The present embodiment provides a kind of method of testing of power-down protection circuit, specifically, as shown in figure 1, the power-down protection circuit
Method of testing comprise the following steps：
Step S101, charging measurement：Energy-storage travelling wave tube in power-down protection circuit is charged and detected on the energy-storage travelling wave tube
Whether charging voltage reaches the first preset voltage value in the first preset time.
Step S102, discharge test：The power-down protection circuit is connected into a fictitious load and detected on the fictitious load by institute
Load voltage caused by stating energy-storage travelling wave tube electric discharge whether reaches the second preset voltage value and whether the discharge time of the energy-storage travelling wave tube reaches
To the second preset time.
Step S101 to step S102 is described in detail below.
Step S101, charging measurement：Energy-storage travelling wave tube in power-down protection circuit is charged and detected on the energy-storage travelling wave tube
Whether charging voltage reaches the first preset voltage value in the first preset time.Wherein, in the present embodiment, the power down protection
The structure of circuit does not limit, and for usual power-down protection circuit in existing, the energy-storage travelling wave tube is electric capacity or battery.
Power-down protection circuit is accessed external power source, such as 24V power supplys by charging measurement, allows power-down protection circuit to electric capacity, electricity
The energy-storage travelling wave tubes such as pond are charged.Judging the energy-storage travelling wave tube in power-down protection circuit, whether the method that can be charged normal is mainly by right
The voltage of energy-storage travelling wave tube is detected, and when the voltage of energy-storage travelling wave tube exceedes certain threshold value, judges the energy storage member in power-down protection circuit
The normal energy storage of part.When the voltage through energy-storage travelling wave tube after a while is still not less than the threshold value, then it is assumed that the charging in electric protection circuit
Circuit malfunctions.Wherein, first preset voltage value and the first preset time are according to the species and work of the energy-storage travelling wave tube of selection
Set as parameter.
In the present embodiment, the method for testing of the power-down protection circuit also includes：It is to the charging voltage on the energy-storage travelling wave tube
No first preset voltage value that reaches in the first preset time is indicated, to understand the charging feelings of the power-down protection circuit in time
Condition.
Step S102, discharge test：The power-down protection circuit is connected into a fictitious load and detected on the fictitious load by institute
Load voltage caused by stating energy-storage travelling wave tube electric discharge whether reaches the second preset voltage value and whether the discharge time of the energy-storage travelling wave tube reaches
To the second preset time.
Can the voltage that loaded in the present embodiment, during the discharge test by test simulation reach threshold value and the power down is protected
Can protection circuit ensure sufficiently long guard time to judge that can power-down protection circuit normally realize the work of protection.When simulation is negative
Voltage in load exceedes certain threshold value, judges the energy-storage travelling wave tube regular picture in power-down protection circuit.When through simulating after a while
Voltage in load is still not less than the threshold value, then it is assumed that the discharge circuit in power-down protection circuit breaks down.Wherein, described
Two preset voltage values are set with the second preset time according to the size of the fictitious load of selection.
In the present embodiment, the method for testing of the power-down protection circuit also includes：It is to the load voltage on the fictitious load
Whether the no discharge time for reaching the second preset voltage value and the energy-storage travelling wave tube, which reaches the second preset time, is indicated, with timely
Understand the discharge scenario of the power-down protection circuit.
In addition, in order to improve the degree of reliability of test, power-down protection circuit can repeatedly be tested.Specifically, in this implementation
In example, the method for testing of the power-down protection circuit also includes：The charging measurement that is circulated to the power-down protection circuit and put
Electrical testing, wherein, the cycle-index of the charging measurement of the circulation and the discharge test is more than 2.For example, to the power down
The charging measurement and the discharge test that protection circuit is carried out carry out 3 tests respectively.
As shown in Fig. 2 the specific implementation schematic diagram of the method for testing for the power-down protection circuit being shown as in the present embodiment.
The energy-storage travelling wave tube in power-down protection circuit is charged first, whether detection energy-storage travelling wave tube completes charging in preset time,
If energy-storage travelling wave tube completes charging not in preset time or charging voltage is less than preset voltage value, the power down protection electricity is judged
Road charge fault, if the charging voltage of energy-storage travelling wave tube reaches preset voltage value and charging, power down protection are completed in preset time
For the charge function of circuit by test, power-down protection circuit charging is reliable, continues the electric discharge to power-down protection circuit and tests.
In discharge test, the energy-storage travelling wave tube electric discharge makes to produce load voltage on fictitious load, then detects the load on fictitious load
Whether voltage reaches preset voltage value and whether the discharge time of the energy-storage travelling wave tube reaches preset time, if negative on fictitious load
Load voltage is not reaching to preset voltage value or the discharge time of the energy-storage travelling wave tube is too short, and discharge time is not reaching to preset time,
The power-down protection circuit discharge fault is then judged, if the load voltage on fictitious load reaches preset voltage value and energy storage member
The discharge time of part reaches preset time, then the discharging function of power-down protection circuit is reliable by test, power-down protection circuit electric discharge.
In order to improve the degree of reliability of test, power-down protection circuit can repeatedly be tested, it is pre- to judge whether current testing time is less than
If value, if testing time reaches preset value, current power down protection circuit is normal, terminates test.If testing time is not reaching to
Preset value, then testing time add 1, repeat to carry out charging measurement and discharge test to power-down protection circuit.
To realize the method for testing of above-mentioned power-down protection circuit, the present embodiment also provides a kind of test system of power-down protection circuit,
Specifically, as shown in figure 3, the test system 100 of the power-down protection circuit includes：Microprocessor 101, charging measurement mould
Block 102 and discharge test module 103.
In the present embodiment, the charging measurement module 102 charges to the energy-storage travelling wave tube 201 in power-down protection circuit 200
And detect whether the charging voltage on the energy-storage travelling wave tube 201 reaches the first preset voltage value in the first preset time.Specifically,
As shown in figure 4, in the present embodiment, the charging measurement module 102 includes：Power supply, the first relay S1 and
One detection circuit.
In the present embodiment, the power supply is used for when being turned on the power-down protection circuit 200 to power down protection electricity
Energy-storage travelling wave tube 201 in road 200 is charged.Wherein, in the present embodiment, the structure of the power-down protection circuit 200 is simultaneously
Do not limit, for usual power-down protection circuit in existing, the energy-storage travelling wave tube 201 is electric capacity or battery.Charging measurement will
Power-down protection circuit 200 accesses power supply, such as 24V power supplys, allows power-down protection circuit 200 to energy storage such as electric capacity, batteries
Element 201 is charged.
In the present embodiment, the first relay S1 respectively with the power supply, the energy-storage travelling wave tube 201 and described micro-
Processor 101 is connected, and the first relay S1 is used to control between the power supply and the power-down protection circuit 200
Break-make, the break-make of the first relay S1 is controlled by the microprocessor 101.The first detection circuit is integrated in described micro-
It is connected on processor 101 and with the energy-storage travelling wave tube 201 in the power-down protection circuit 200, for detecting the energy-storage travelling wave tube 201
On charging voltage whether reach the first preset voltage value in the first preset time.
Specifically, in the present embodiment, the first detection circuit includes：First voltage sample circuit, for the energy storage
Charging voltage on element 201 is sampled；First analog to digital conversion circuit, it is connected with the first voltage sample circuit, is used for
Analog-to-digital conversion is carried out to the sampled voltage that the first voltage sample circuit obtains；First comparator, for by after analog-to-digital conversion
Sampled voltage is compared with default first preset voltage value and exports comparison signal；First timer, for the energy storage
The charging interval of element 201 carries out timing.Described first detects circuit by being detected to the voltage of energy-storage travelling wave tube 201, when
The voltage of energy-storage travelling wave tube 201 exceedes certain threshold value, judges the 201 normal energy storage of energy-storage travelling wave tube in power-down protection circuit 200.When
Voltage through energy-storage travelling wave tube 201 after a while is still not less than the threshold value, then it is assumed that event occurs for the charging circuit in electric protection circuit
Barrier.Wherein, first preset voltage value and the first preset time are according to the species and running parameter of the energy-storage travelling wave tube 201 of selection
Set.
In the present embodiment, the charging measurement module 102 also includes the first indicator elment, passes through first indicator elment pair
Whether the charging voltage on the energy-storage travelling wave tube 201 reaches the first preset voltage value in the first preset time is indicated, and
When understand the charge condition of the power-down protection circuit 200.Wherein, first indicator elment is integrated in the microprocessor 101
It is upper and be connected with the described first detection circuit, for the charging voltage on the energy-storage travelling wave tube 201 whether in the first preset time
Inside reach the first preset voltage value to be indicated.First indicator elment is connected with first comparator and the first timer, according to
The clocking information of the comparison signal of first comparator and the first timer is indicated, when the charging voltage of energy-storage travelling wave tube 201 reaches
Preset voltage value and in preset time complete charging when, there is provided the normal indication signal of charging measurement, when energy-storage travelling wave tube 201
Charging voltage be not reaching to preset voltage value or energy-storage travelling wave tube 201 in preset time do not complete charging when, there is provided charging measurement is different
Normal indication signal.
Wherein, first indicator elment includes：First voltage indicator lamp, it is connected with the first comparator, for according to institute
The comparative result for stating first comparator is indicated；Charging interval indicator lamp, it is connected with first timer, for described
Whether the timing time of the first timer, which reaches default first preset time, is indicated.
In the present embodiment, the power-down protection circuit 200 is connected a fictitious load and detected by the discharge test module 103
On the fictitious load by the energy-storage travelling wave tube 201 discharge caused by load voltage whether reach the second preset voltage value and the storage
Whether the discharge time of energy element 201 reaches the second preset time.In the present embodiment, the discharge test module 103 passes through
Can the voltage in test simulation load reach threshold value and the power-down protection circuit 200 ensure that sufficiently long guard time comes
Judge that can power-down protection circuit 200 normally realize the work of protection.Specifically, as shown in figure 4, in the present embodiment, institute
Stating discharge test module 103 includes：Fictitious load, the detection circuits of the second relay S2 and second.
In the present embodiment, the fictitious load is connected with the power-down protection circuit 200, for simulating power-down protection circuit 200
The external loading connected during practical application, in the present embodiment, the fictitious load is a resistance.
In the present embodiment, the second relay S2 respectively with the fictitious load, the energy-storage travelling wave tube 201 and described micro-
Processor 101 is connected, for controlling the break-make between the fictitious load and the energy-storage travelling wave tube 201, by the microprocessor
101 control the second relay S2 break-make.It is described second detection circuit be integrated on the microprocessor 101 and with it is described
Fictitious load is connected, in the power supply and the separated and described fictitious load of the power-down protection circuit 200 and institute
State when turning between energy-storage travelling wave tube 201, detect and discharged caused load voltage by the energy-storage travelling wave tube 201 on the fictitious load
Whether the discharge time for whether reaching the second preset voltage value and the energy-storage travelling wave tube 201 reaches the second preset time.
Specifically, in the present embodiment, the second detection circuit includes：Second voltage sample circuit, for the simulation
Load voltage in load is sampled；Second analog to digital conversion circuit, it is connected with the second voltage sample circuit, for institute
The sampled voltage for stating the acquisition of second voltage sample circuit carries out analog-to-digital conversion；Second comparator, for by the sampling after analog-to-digital conversion
Voltage is compared with default second preset voltage value and exports comparison signal；Second timer, for the energy-storage travelling wave tube
201 discharge time carries out timing.That is, in the present embodiment, when the voltage on fictitious load exceedes certain threshold value,
Judge the regular picture of energy-storage travelling wave tube 201 in power-down protection circuit 200.When through the voltage on fictitious load after a while not yet
More than the threshold value, then it is assumed that the discharge circuit in power-down protection circuit 200 breaks down.Wherein, second preset voltage value
Set with the second preset time according to the size of the fictitious load of selection.
In the present embodiment, the discharge test module 103 also includes the second indicator elment, passes through second indicator elment pair
Whether the load voltage on the fictitious load reaches the second preset voltage value and whether the discharge time of the energy-storage travelling wave tube 201 reaches
Indicated to the second preset time, to understand the discharge scenario of the power-down protection circuit 200 in time.Specifically, Yu Benshi
Apply in example, second indicator elment be integrated on the microprocessor 101 and with described second detection circuit is connected, for pair
Whether the load voltage on the fictitious load reaches the second preset voltage value and whether the discharge time of the energy-storage travelling wave tube 201 reaches
Indicated to the second preset time.Second indicator elment is connected with the second comparator and the second timer, according to the second ratio
Indicated compared with the comparison signal of device and the timing signal of the second timer, when the voltage on fictitious load reach preset voltage value and
When the discharge time of the energy-storage travelling wave tube 201 reaches preset time, there is provided the normal indication signal of discharge test, work as fictitious load
On charging voltage be not reaching to preset voltage value or the discharge time of energy-storage travelling wave tube 201 is not reaching to preset time preset time
When, there is provided the abnormal indication signal of discharge test.
Wherein, in the present embodiment, second indicator elment includes：Second voltage indicator lamp, with the second comparator phase
Even, for being indicated according to the comparative result of second comparator；Discharge time indicator lamp, with the second timer phase
Even, indicated for whether reaching default second preset time to the timing time of second timer.
In addition, in order to improve the degree of reliability of test, power-down protection circuit 200 can repeatedly be tested.Specifically, Yu Ben
In embodiment, charging that the test system 100 of the power-down protection circuit 200 is circulated to the power-down protection circuit 200
Test and discharge test, wherein, the cycle-index of the charging measurement of the circulation and the discharge test is more than 2.It is for example, right
The charging measurement and the discharge test that the power-down protection circuit 200 is carried out carry out 3 tests respectively.
The course of work of the test system 100 of the power-down protection circuit in the present embodiment is illustrated below.
Charging measurement module 102 charges to the energy-storage travelling wave tube 201 in power-down protection circuit 200 first, detects energy-storage travelling wave tube
Whether 201 complete charging in preset time, if charging is completed not in preset time for energy-storage travelling wave tube 201 or charging voltage is low
In preset voltage value, then the charge fault of power-down protection circuit 200 is judged, if the charging voltage of energy-storage travelling wave tube 201 reaches pre-
If magnitude of voltage and the completion charging in preset time, then the charge function of power-down protection circuit 200 passes through test, power down protection electricity
Road 200 is charged reliably, is continued the electric discharge to power-down protection circuit 200 and is tested.In discharge test, the energy-storage travelling wave tube
201 electric discharges make to produce load voltage on fictitious load, and discharge test module 103 and then the load voltage detected on fictitious load are
It is no to reach preset voltage value and whether the discharge time of the energy-storage travelling wave tube 201 reaches preset time, if the load on fictitious load
Voltage is not reaching to preset voltage value or the discharge time of the energy-storage travelling wave tube 201 is too short, and discharge time is not reaching to preset time,
The discharge fault of power-down protection circuit 200 is then judged, if the load voltage on fictitious load reaches preset voltage value and the storage
The discharge time of energy element 201 reaches preset time, then the discharging function of power-down protection circuit 200 passes through test, power down protection
Circuit 200 discharges reliably.In order to improve the degree of reliability of test, power-down protection circuit 200 can repeatedly be tested, be judged
Whether current testing time is less than preset value, if testing time reaches preset value, current power down protection circuit 200 is normal, knot
Beam is tested.If testing time is not reaching to preset value, testing time adds 1, and repetition is charged to power-down protection circuit 200
Test and discharge test.
In summary, the present invention can realize the full-automatic charging measurement and discharge test to power-down protection circuit, be effectively ensured
The reliability of power-down protection circuit；The present invention is simple in construction, and control is flexible, using simple, facilitates producing line personnel to be tested,
With wide applicability.So the present invention effectively overcomes various shortcoming of the prior art and has high industrial exploitation value
Value.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any to be familiar with this skill
The personage of art all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Therefore, such as
Those of ordinary skill in the art without departing from disclosed spirit with completed under technological thought all etc.
Modifications and changes are imitated, should be covered by the claim of the present invention.
Claims (10)
- A kind of 1. method of testing of power-down protection circuit, it is characterised in that：The method of testing of the power-down protection circuit includes：Charging measurement：Energy-storage travelling wave tube in power-down protection circuit is charged and detects the charging voltage on the energy-storage travelling wave tube Whether the first preset voltage value is reached in the first preset time；Discharge test：The power-down protection circuit is connected into a fictitious load and detected on the fictitious load by energy storage member Whether the discharge time whether load voltage caused by part electric discharge reaches the second preset voltage value and the energy-storage travelling wave tube reaches the Two preset times.
- 2. the method for testing of power-down protection circuit according to claim 1, it is characterised in that：The test of the power-down protection circuit Method also includes：Indicate whether the charging voltage on the energy-storage travelling wave tube reaches the first preset voltage value in the first preset time；Whether reach the discharge time of the second preset voltage value and the energy-storage travelling wave tube to the load voltage on the fictitious load Whether reach the second preset time to be indicated.
- 3. the method for testing of power-down protection circuit according to claim 1, it is characterised in that：The test of the power-down protection circuit Method also includes：The charging measurement and discharge test circulated to the power-down protection circuit.
- 4. the method for testing of power-down protection circuit according to claim 3, it is characterised in that：The charging measurement of the circulation and institute The cycle-index for stating discharge test is more than 2.
- A kind of 5. test system of power-down protection circuit, it is characterised in that：The test system of the power-down protection circuit includes：Microprocessor；Charging measurement module, including：Power supply, for when being turned on the power-down protection circuit to the energy-storage travelling wave tube in the power-down protection circuit Charged；First relay, it is connected respectively with the power supply, the energy-storage travelling wave tube and the microprocessor, is used for Control the break-make between the power supply and the power-down protection circuit；First detection circuit, be integrated on the microprocessor and with the energy-storage travelling wave tube phase in the power-down protection circuit Even, for detecting whether the charging voltage on the energy-storage travelling wave tube reaches the first predeterminated voltage in the first preset time Value；First indicator elment, it is integrated on the microprocessor and is connected with the described first detection circuit, for described Whether the charging voltage on energy-storage travelling wave tube reaches the first preset voltage value in the first preset time is indicated；Discharge test module, including：Fictitious load, it is connected with the power-down protection circuit,Second relay, it is connected respectively with the fictitious load, the energy-storage travelling wave tube and the microprocessor, is used for Control the break-make between the fictitious load and the energy-storage travelling wave tube；Second detection circuit, is integrated on the microprocessor and is connected with the fictitious load, in the power supply When being turned between power supply and the separated and described fictitious load of the power-down protection circuit and the energy-storage travelling wave tube, detection Whether the load voltage as caused by energy-storage travelling wave tube electric discharge reaches the second preset voltage value and institute on the fictitious load Whether the discharge time for stating energy-storage travelling wave tube reaches the second preset time；Second indicator elment, it is integrated on the microprocessor and is connected with the described second detection circuit, for described Whether the load voltage on fictitious load reaches the second preset voltage value and whether the discharge time of the energy-storage travelling wave tube reaches Indicated to the second preset time.
- 6. the test system of power-down protection circuit according to claim 5, it is characterised in that：The energy-storage travelling wave tube be electric capacity or Battery.
- 7. the test system of power-down protection circuit according to claim 5, it is characterised in that：The first detection circuit includes：First voltage sample circuit, for being sampled to the charging voltage on the energy-storage travelling wave tube；First analog to digital conversion circuit, it is connected with the first voltage sample circuit, for being obtained to the first voltage sample circuit The sampled voltage taken carries out analog-to-digital conversion；First comparator, for the sampled voltage after analog-to-digital conversion compared with default first preset voltage value and to be exported Comparison signal；First timer, for carrying out timing to the charging interval of the energy-storage travelling wave tube.
- 8. the test system of power-down protection circuit according to claim 7, it is characterised in that：First indicator elment includes：First voltage indicator lamp, it is connected with the first comparator, for being carried out according to the comparative result of the first comparator Instruction；Charging interval indicator lamp, it is connected with first timer, for whether being reached to the timing time of first timer Indicated to default first preset time.
- 9. the test system of power-down protection circuit according to claim 5, it is characterised in that：The second detection circuit includes：Second voltage sample circuit, for being sampled to the load voltage on the fictitious load；Second analog to digital conversion circuit, it is connected with the second voltage sample circuit, for being obtained to the second voltage sample circuit The sampled voltage taken carries out analog-to-digital conversion；Second comparator, for the sampled voltage after analog-to-digital conversion compared with default second preset voltage value and to be exported Comparison signal；Second timer, for carrying out timing to the discharge time of the energy-storage travelling wave tube.
- 10. the test system of power-down protection circuit according to claim 9, it is characterised in that：Second indicator elment includes：Second voltage indicator lamp, it is connected with second comparator, for being carried out according to the comparative result of second comparator Instruction；Discharge time indicator lamp, it is connected with second timer, for whether being reached to the timing time of second timer Indicated to default second preset time.
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| CN201610392158.7A CN107462822A (en) | 2016-06-03 | 2016-06-03 | The method of testing and system of a kind of power-down protection circuit |
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| CN201610392158.7A CN107462822A (en) | 2016-06-03 | 2016-06-03 | The method of testing and system of a kind of power-down protection circuit |
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| CN201610392158.7A Pending CN107462822A (en) | 2016-06-03 | 2016-06-03 | The method of testing and system of a kind of power-down protection circuit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108966044A (en) * | 2018-05-28 | 2018-12-07 | 普联技术有限公司 | A kind of power-down protection circuit of wireless router, method and wireless router |
| CN110085278A (en) * | 2019-04-04 | 2019-08-02 | 烽火通信科技股份有限公司 | A kind of test method and system of eMMC power down protection |
| CN110138380A (en) * | 2019-04-01 | 2019-08-16 | 山东华翼微电子技术股份有限公司 | A kind of power down time observation circuit and method |
| CN114252839A (en) * | 2021-12-16 | 2022-03-29 | 杭州粒合信息科技有限公司 | A collection terminal monitoring method, system, device and storage medium when power off and on |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08189954A (en) * | 1995-01-09 | 1996-07-23 | Nippon Telegr & Teleph Corp <Ntt> | Secondary battery charge / discharge automatic tester |
| JP2001102097A (en) * | 1999-10-01 | 2001-04-13 | Nippon Telegr & Teleph Corp <Ntt> | Automatic rechargeable battery tester and test method |
| US20010011883A1 (en) * | 2000-02-07 | 2001-08-09 | Nec Mobile Energy Corporation | Battery pack |
| JP2003153436A (en) * | 2001-11-12 | 2003-05-23 | Fujitsu Access Ltd | Charge / discharge device abnormality detection method and abnormality detection program |
| CN201001039Y (en) * | 2006-12-29 | 2008-01-02 | 深圳市振华微电子有限公司 | A high-current DC power supply momentary power-down hold circuit |
| US20090108808A1 (en) * | 2007-10-30 | 2009-04-30 | Byd Company Limited | Battery Protection Mechanism |
| CN101667748A (en) * | 2009-10-26 | 2010-03-10 | 中兴通讯股份有限公司 | Circuit power fail safeguard device and protection method thereof |
| CN101719012A (en) * | 2009-12-23 | 2010-06-02 | 成都市华为赛门铁克科技有限公司 | Power-failure protection device and power-failure protection method |
| CN201601521U (en) * | 2010-03-05 | 2010-10-06 | 长沙高新开发区硕博电子科技有限公司 | Battery charging/discharging performance testing and electric energy recovering device |
| CN102355046A (en) * | 2011-09-09 | 2012-02-15 | Tcl新技术（惠州）有限公司 | Voltage detection and power failure protection device and implementation method |
| CN202285337U (en) * | 2011-08-16 | 2012-06-27 | 杭州市电力局 | Circulating battery discharging equipment |
| CN102608533A (en) * | 2011-01-20 | 2012-07-25 | 鸿富锦精密工业（深圳）有限公司 | System and method for testing charge-discharge reliability of battery |
| CN102981122A (en) * | 2011-09-07 | 2013-03-20 | 杭州市电力局 | Method and system of electric automobile battery test |
| CN103296641A (en) * | 2013-06-04 | 2013-09-11 | 中国电子科技集团公司第四十五研究所 | Power supply power-down protection device of motor driving system |
| CN103529402A (en) * | 2013-10-31 | 2014-01-22 | 国家电网公司 | System and method for testing low-temperature charge and discharge performance of power type lithium ion battery in severe cold district |
| CN104035038A (en) * | 2014-05-26 | 2014-09-10 | 佰电科技(苏州)有限公司 | Battery testing station and testing method thereof |
| CN203941278U (en) * | 2014-05-26 | 2014-11-12 | 佰电科技(苏州)有限公司 | A kind of battery testing station |
-
2016
- 2016-06-03 CN CN201610392158.7A patent/CN107462822A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08189954A (en) * | 1995-01-09 | 1996-07-23 | Nippon Telegr & Teleph Corp <Ntt> | Secondary battery charge / discharge automatic tester |
| JP2001102097A (en) * | 1999-10-01 | 2001-04-13 | Nippon Telegr & Teleph Corp <Ntt> | Automatic rechargeable battery tester and test method |
| US20010011883A1 (en) * | 2000-02-07 | 2001-08-09 | Nec Mobile Energy Corporation | Battery pack |
| JP2003153436A (en) * | 2001-11-12 | 2003-05-23 | Fujitsu Access Ltd | Charge / discharge device abnormality detection method and abnormality detection program |
| CN201001039Y (en) * | 2006-12-29 | 2008-01-02 | 深圳市振华微电子有限公司 | A high-current DC power supply momentary power-down hold circuit |
| US20090108808A1 (en) * | 2007-10-30 | 2009-04-30 | Byd Company Limited | Battery Protection Mechanism |
| CN101667748A (en) * | 2009-10-26 | 2010-03-10 | 中兴通讯股份有限公司 | Circuit power fail safeguard device and protection method thereof |
| CN101719012A (en) * | 2009-12-23 | 2010-06-02 | 成都市华为赛门铁克科技有限公司 | Power-failure protection device and power-failure protection method |
| CN201601521U (en) * | 2010-03-05 | 2010-10-06 | 长沙高新开发区硕博电子科技有限公司 | Battery charging/discharging performance testing and electric energy recovering device |
| CN102608533A (en) * | 2011-01-20 | 2012-07-25 | 鸿富锦精密工业（深圳）有限公司 | System and method for testing charge-discharge reliability of battery |
| CN202285337U (en) * | 2011-08-16 | 2012-06-27 | 杭州市电力局 | Circulating battery discharging equipment |
| CN102981122A (en) * | 2011-09-07 | 2013-03-20 | 杭州市电力局 | Method and system of electric automobile battery test |
| CN102355046A (en) * | 2011-09-09 | 2012-02-15 | Tcl新技术（惠州）有限公司 | Voltage detection and power failure protection device and implementation method |
| CN103296641A (en) * | 2013-06-04 | 2013-09-11 | 中国电子科技集团公司第四十五研究所 | Power supply power-down protection device of motor driving system |
| CN103529402A (en) * | 2013-10-31 | 2014-01-22 | 国家电网公司 | System and method for testing low-temperature charge and discharge performance of power type lithium ion battery in severe cold district |
| CN104035038A (en) * | 2014-05-26 | 2014-09-10 | 佰电科技(苏州)有限公司 | Battery testing station and testing method thereof |
| CN203941278U (en) * | 2014-05-26 | 2014-11-12 | 佰电科技(苏州)有限公司 | A kind of battery testing station |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108966044A (en) * | 2018-05-28 | 2018-12-07 | 普联技术有限公司 | A kind of power-down protection circuit of wireless router, method and wireless router |
| CN108966044B (en) * | 2018-05-28 | 2021-02-09 | 普联技术有限公司 | Power failure protection circuit and method of wireless router and wireless router |
| CN110138380A (en) * | 2019-04-01 | 2019-08-16 | 山东华翼微电子技术股份有限公司 | A kind of power down time observation circuit and method |
| CN110138380B (en) * | 2019-04-01 | 2023-08-04 | 山东华翼微电子技术股份有限公司 | Power-down time monitoring circuit and method |
| CN110085278A (en) * | 2019-04-04 | 2019-08-02 | 烽火通信科技股份有限公司 | A kind of test method and system of eMMC power down protection |
| CN114252839A (en) * | 2021-12-16 | 2022-03-29 | 杭州粒合信息科技有限公司 | A collection terminal monitoring method, system, device and storage medium when power off and on |
| CN114252839B (en) * | 2021-12-16 | 2024-04-26 | 杭州粒合信息科技有限公司 | Method, system, device and storage medium for monitoring power-off of acquisition terminal |
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Application publication date: 20171212 |