CN207472332U - A kind of differential pressure flowmeter - Google Patents
A kind of differential pressure flowmeter Download PDFInfo
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- CN207472332U CN207472332U CN201721689848.5U CN201721689848U CN207472332U CN 207472332 U CN207472332 U CN 207472332U CN 201721689848 U CN201721689848 U CN 201721689848U CN 207472332 U CN207472332 U CN 207472332U
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Abstract
The utility model is related to survey tool technical fields, and in particular to a kind of differential pressure flowmeter.Including the shell being fully sealed, shell includes outer cover body and casing cover；The check valve that gas can be filled with into shell and the valve that can will be connected inside and outside shell after opening are provided on the side wall of outer cover body, inert gas is provided in shell, and the gas pressure of enclosure is higher than the atmospheric pressure of housing exterior；The baroceptor for measuring enclosure gas pressure and the temperature sensor for measuring enclosure temperature are additionally provided in shell.The utility model is by the way that shell is fully sealed, form a closed space, it allows inside and outside shell and completely cuts off completely, prevent the electrical equipment of enclosure from directly being contacted with extraneous flammable explosive gas, the generation of the accident of the flammable explosive gas in the differential pressure flowmeter working environment that prevented to ignite due to the electrical equipment of enclosure.
Description
Technical field
The utility model is related to survey tool technical fields, and in particular to a kind of differential pressure flowmeter.
Background technology
Differential pressure flowmeter is a kind of instrument for measuring flow.It is generated pressure when utilizing fluid stream through throttling set
There are the principle of certain relationship between difference and flow, flow measurement is realized by measuring pressure difference.Since differential pressure flowmeter exists
Plurality of advantages is still the flowmeter being most widely used so far.Differential pressure flowmeter also often can be full of inflammable and explosive gas at some
Work in the environment of body, due in differential pressure flowmeter inevitably there are electrical equipment, if element is sent out in the process of running
Raw overheat or the situation of short circuit, it is likely that the accident of flammable explosive gas occurs in the working environment that causes to ignite.Meanwhile flow
Though the shell of meter has done encapsulation process, after a period of use, the situation of poor sealing may be caused, leads to differential flow
Electrical equipment in meter is directly exposed to happening in flammable explosive gas, if not finding and safeguarding in time, may make
Into the generation of safety accident.
Utility model content
The purpose of this utility model is that for problems of the prior art, a kind of differential pressure flowmeter is proposed, it can
It realizes the electrical equipment in differential pressure flowmeter and extraneous isolation completely, after seal failure, can find and alarm in time.
To achieve these goals, the technical solution adopted in the utility model is：
A kind of differential pressure flowmeter, including the shell being fully sealed, shell includes outer cover body and casing cover；Outer cover body
The check valve of gas and the valve that can will be connected inside and outside shell after opening, shell can be filled with into shell by being provided on side wall
Inert gas is inside provided with, and the gas pressure of enclosure is higher than the atmospheric pressure of housing exterior；Measurement is additionally provided in shell
The baroceptor of enclosure gas pressure and the temperature sensor for measuring enclosure temperature.
Pcb board is additionally provided in the shell, is provided on pcb board：
The air pressure value signal of baroceptor is received, and the value and the value of the atmospheric pressure of preset housing exterior are compared
Compared with when the atmospheric pressure value of enclosure is less than or equal to the atmospheric value of housing exterior, to main control module transmission alarm signal
Air pressure comparison module；
The temperature value signal of temperature sensor is received, and the value and preset temperature value are compared, works as enclosure
Temperature value be higher than preset temperature value when, to main control module send alarm signal temperature comparison module；
The alarm signal of air pressure comparison module and temperature comparison module is received, and the alarm signal received is sent to control
The main control module at center processed；
Receive the control centre for the alarm signal that main control module is sent；
The air pressure comparison module is electrically connected respectively with baroceptor and main control module；The temperature comparison module point
It is not electrically connected with temperature sensor and main control module；The main control module is electrically connected with control centre or communication network connects
It connects.
Communication module I is additionally provided on the pcb board, communication module I is electrically connected with main control module；The control centre
It is provided with the communication module II to communicate with communication module I.
Display panel is additionally provided in the shell, display panel is electrically connected with pcb board；The side wall of the outer cover body
On be provided with the corresponding show hole of the size and location of display panel, pressure is disposed between display panel and show hole
Plate, gasket, implosion guard and sealing rubber ring II；Sealing rubber ring II is the size and shape of hollow and annular, inner ring and show hole
Shape is identical, and the minimum diameter of implosion guard is more than the minimum diameter of show hole, and gasket is hollow and annular, inner ring and show hole it is big
Small identical with shape, pressing plate is fixed on the shell, and gasket, implosion guard and sealing rubber ring II are by between pressing plate and shell
Pressure fixing.
Battery is additionally provided in the shell, battery is set in battery case, and battery case is fixed on battery case lid, battery
Box cover is fixed inside the shell.
Sealing rubber ring I is additionally provided between the outer cover body and casing cover.
Solar energy interface is additionally provided on the shell, solar energy interface is with being set to outdoor solar panel phase
Even.
Electric interfaces are additionally provided on the shell, electric interfaces are connected with control centre.
The control centre further includes display.
The control centre is PC machine.
By adopting the above-described technical solution, the beneficial effects of the utility model are：
1st, the utility model forms a closed space by the way that shell is fully sealed, and allows inside and outside shell and completely cuts off completely,
It prevents the electrical equipment of enclosure from directly being contacted with extraneous flammable explosive gas, has prevented the electrical equipment because of enclosure
And the generation of the accident of the flammable explosive gas in the differential pressure flowmeter working environment that ignites.Inert gas is filled with into shell, into
One step ensure that the electrical equipment of enclosure and extraneous isolation, improve isolation effect.Meanwhile by being filled with inert gas,
The air pressure of enclosure is allowed to form the environment of a relatively high pressure, the baroceptor of enclosure is real higher than external air pressure
When detect air pressure value, after there is the seal failure of shell, enclosure is since air pressure is higher, and inert gas can leak, outside
Air pressure inside shell will also decline accordingly, until it is equal with the atmospheric pressure value of housing exterior, alarm signal will be passed at this time
It send to control centre.Temperature sensor in shell detects temperature value in real time, can when the temperature value detected is higher than preset value
Judge that the failures such as short circuit have occurred in the electrical equipment of enclosure, alarm signal is sent to control centre.The work of control centre
Make personnel immediately to safeguard the differential pressure flowmeter that gas leakage or short circuit occurs, eliminate safe hidden trouble.
2nd, the atmospheric pressure value that air pressure comparison module real-time reception baroceptor is sent, and by the atmospheric pressure value received with presetting
The value of atmospheric pressure of housing exterior be compared, when the atmospheric pressure value of enclosure is less than or equal to preset value, to master control
Module sends alarm signal；Temperature comparison module real-time reception temperature sensor send temperature value, and by the value with it is preset
Temperature value is compared, and when the temperature value of enclosure is higher than preset temperature value, alarm signal is sent to main control module；It is main
After control module receives alarm signal, alarm signal is sent to control centre immediately, in order to the staff of control centre
It is safeguarded in time.
3rd, communication module I and communication module II can be set to wired or wireless according to the installation environment of differential pressure flowmeter
, the communication capacity of enhancing main control module and control centre, it is ensured that alarm signal can be transmitted to control centre in time.
4th, by setting display panel, atmospheric pressure value and temperature value in real-time display shell, while can also show differential pressure stream
The measurement data of gauge facilitates the timely assurance of the staff to flowmeter working condition at scene, can be with such as emergency case
Timely processing.Implosion guard can protect display panel, prevent the rupture of the display panel caused by unexpected hit, carry
The scope of application of height difference pressure type flowmeter.Sealing rubber ring II is set between implosion guard and outer cover body, by outer cover body with preventing
Gap closing between quick-fried glass avoids causing to seal incomplete phenomenon because of display panel.
5th, battery is provided in shell, can allows differential pressure flowmeter continuous firing in the case of no external power supply, carried
The environmental suitability of height difference pressure type flowmeter.
6th, the sealing rubber ring I set between outer cover body and casing cover further improves the sealing grade of shell, increases
The service life of the utility model reduces maintenance times.
7th, solar energy interface is connect with being set to outdoor solar panel, and solar panel can be on daytime to shell
Interior battery charges, and can make the utility model continuous firing in the case of completely without external power supply.Make this practicality new
Type can also realize autonomous working, greatly improve the use scope of the utility model in the field that no power grid covers.
8th, when the utility model is used in the place that the wireless networks such as underground can not cover, electric interfaces can facilitate in shell
Electrical equipment be attached with control centre by electric wire, it is ensured that control centre keeps the communication with the utility model at any time.
9th, the display of control centre can facilitate the work feelings of each differential pressure flowmeter of the long-range real time inspection of staff
Condition.
10th, control centre can be the PC machine for being equipped with operation sequence, facilitate the installation and manipulation of the utility model.
Description of the drawings
The following drawings is only intended in doing schematic illustration and explanation to the utility model, does not limit the model of the utility model
It encloses.Wherein：
Fig. 1 is the utility model Structure explosion diagram；
Fig. 2 is the utility model control system topological diagram.
It is marked in figure：1st, casing cover；2nd, sealing rubber ring I；3rd, battery case；4th, battery case lid；5th, pcb board；6th, pressing plate；7、
Implosion guard；8th, sealing rubber ring II；9th, outer cover body；10th, electric interfaces；11st, check valve；12nd, solar energy interface；13rd, valve
Door；14th, gasket；15th, display panel；16th, baroceptor；17th, temperature sensor；18th, air pressure comparison module；19th, temperature ratio
Compared with module；20th, main control module；21st, communication module I；22nd, communication module II；23rd, control centre；24th, display；25th, it shows
Hole.
Specific embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
Purpose, technical scheme and advantage to make the utility model embodiment are clearer, new below in conjunction with this practicality
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of different.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all
Belong to the range of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need to that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " on ", " vertical ", " interior ", the instructions such as " outer " side
Position or position relationship be based on orientation shown in the drawings or position relationship or the utility model product using when usually put
Orientation or the orientation that usually understands of position relationship or those skilled in the art or position relationship, be for only for ease of and retouch
State the utility model and simplify description rather than instruction or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " first ", " second "
It is described etc. being only used for distinguishing, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Put ", " installation ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or one
Ground connects；Can be mechanical connection or electrical connection；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, can be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
Concrete meaning of the term in the utility model.
Embodiment 1
As a kind of preferred embodiment of the utility model, with reference to Figure of description 1 to attached drawing 2, present embodiment discloses
A kind of differential pressure flowmeter, the present embodiment include：
A kind of differential pressure flowmeter, including the shell being fully sealed, shell includes outer cover body 9 and casing cover 1；Outer cover body
The check valve 11 that gas can be filled with into shell and the valve that can will be connected inside and outside shell after opening are provided on 9 side wall
13, inert gas is provided in shell, and the gas pressure of enclosure is higher than the atmospheric pressure of housing exterior；It is also set up in shell
There are the baroceptor 16 for measuring enclosure gas pressure and the temperature sensor 17 for measuring enclosure temperature.
The utility model forms a closed space by the way that shell is fully sealed, and allows inside and outside shell and completely cuts off completely, prevents
Only the electrical equipment of enclosure is directly contacted with extraneous flammable explosive gas, has been prevented due to the electrical equipment of enclosure
The generation of the accident of the flammable explosive gas to ignite in differential pressure flowmeter working environment.Inert gas is filled with into shell, into one
Step ensure that the electrical equipment of enclosure and extraneous isolation, improve isolation effect.Meanwhile it by being filled with inert gas, allows
The air pressure of enclosure forms the environment of a relatively high pressure, the baroceptor 16 of enclosure is real higher than external air pressure
When detect air pressure value, after there is the seal failure of shell, enclosure is since air pressure is higher, and inert gas can leak, outside
Air pressure inside shell will also decline accordingly, until it is equal with the atmospheric pressure value of housing exterior, alarm signal will be passed at this time
It send to control centre 23.Temperature sensor 17 in shell detects temperature value in real time, when the temperature value detected is higher than preset value
When, it can determine whether that the failures such as short circuit have occurred in the electrical equipment of enclosure, alarm signal be sent to control centre 23.In control
The staff of the heart 23 immediately safeguards the differential pressure flowmeter that gas leakage or short circuit occurs, and eliminates safe hidden trouble.
The utility model can work under flammable explosive gas environment, can also work under water or in liquid, sealing effect
It is good, after there is seal failure, can find, safeguard immediately immediately, improve the safety of the utility model, prevented because
The generation of safety accident caused by the failure of electrical equipment inside differential pressure flowmeter.
Embodiment 2
As a kind of preferred embodiment of the utility model, with reference to Figure of description 1 to attached drawing 2, present embodiment discloses
A kind of differential pressure flowmeter, the present embodiment is substantially the same manner as Example 1, difference lies in：
Pcb board 5 is additionally provided in the shell, is provided on pcb board 5：
The air pressure value signal of baroceptor 16 is received, and the value and the value of the atmospheric pressure of preset housing exterior are carried out
Compare, when the atmospheric pressure value of enclosure is less than or equal to the atmospheric value of housing exterior, alarm signal is sent to main control module 20
Number air pressure comparison module 18；
The temperature value signal of temperature sensor 17 is received, and the value and preset temperature value are compared, when in shell
When the temperature value in portion is higher than preset temperature value, the temperature comparison module 19 of alarm signal is sent to main control module 20；
The alarm signal of air pressure comparison module 18 and temperature comparison module 19 is received, and the alarm signal received is sent
To the main control module 20 of control centre 23；
Receive the control centre 23 for the alarm signal that main control module 20 is sent；
The air pressure comparison module 18 is electrically connected respectively with baroceptor 16 and main control module 18；The temperature compares
Module 19 is electrically connected respectively with temperature sensor 17 and main control module 20；The main control module 20 electrically connects with control centre 23
It connects or communication network connects.
The atmospheric pressure value that 18 real-time reception baroceptor 16 of air pressure comparison module is sent, and by the atmospheric pressure value received and in advance
If the value of atmospheric pressure of housing exterior be compared, when the atmospheric pressure value of enclosure is less than or equal to preset value, to master
It controls module 20 and sends alarm signal；The temperature value that 19 real-time reception temperature sensor 17 of temperature comparison module is sent, and by the value
It is compared with preset temperature value, when the temperature value of enclosure is higher than preset temperature value, is sent to main control module 20
Alarm signal；After main control module 20 receives alarm signal, alarm signal is sent to control centre 23 immediately, in order to control
The staff at center 23 is safeguarded in time.
Embodiment 3
As a kind of preferred embodiment of the utility model, with reference to Figure of description 1 to attached drawing 2, present embodiment discloses
A kind of differential pressure flowmeter, the present embodiment is substantially the same manner as Example 2, difference lies in：
Communication module I 21 is additionally provided on the pcb board 5, communication module I 21 is electrically connected with main control module 20；It is described
Control centre 23 is provided with the communication module II 22 to communicate with communication module I 21.
Communication module I 21 and communication module II 23 can be set to wired or nothing according to the installation environment of differential pressure flowmeter
Line, enhancing main control module 20 and the communication capacity of control centre 23, it is ensured that alarm signal can be transmitted to control centre in time
23。
Embodiment 4
As a kind of preferred embodiment of the utility model, with reference to Figure of description 1 to attached drawing 2, present embodiment discloses
A kind of differential pressure flowmeter, the present embodiment is substantially the same manner as Example 1, difference lies in：
Display panel 15 is additionally provided in the shell, display panel 15 is electrically connected with pcb board 5；The outer cover body 9
Side wall on be provided with show hole 25 corresponding with the size and location of display panel 15, display panel 15 and show hole 25 it
Between be disposed with pressing plate 6, gasket 14, implosion guard 7 and sealing rubber ring II 8；Sealing rubber ring II 8 is hollow and annular, interior
Ring is identical with the size and shape of show hole 25, and the minimum diameter of implosion guard 7 is more than the minimum diameter of show hole, and gasket 14 is
Hollow and annular, inner ring is identical with the size and shape of show hole 25, and pressing plate 6 is fixed on the shell, gasket 14,7 and of implosion guard
Sealing rubber ring II 8 passes through the pressure fixing between pressing plate 6 and shell.
By setting display panel 15, atmospheric pressure value and temperature value in real-time display shell, while can also show differential pressure stream
The measurement data of gauge facilitates the timely assurance of the staff to flowmeter working condition at scene, can be with such as emergency case
Timely processing.Implosion guard 7 can protect display panel 15, prevent the broken of caused by unexpected hit display panel 15
It splits, improves the scope of application of differential pressure flowmeter.Sealing rubber ring II 8 is set between implosion guard 7 and outer cover body 9, by shell
Gap closing between ontology 9 and implosion guard 7 avoids causing to seal incomplete phenomenon because of display panel 15.
Embodiment 5
As a kind of preferred embodiment of the utility model, with reference to Figure of description 1 to attached drawing 2, present embodiment discloses
A kind of differential pressure flowmeter, the present embodiment is substantially the same manner as Example 1, difference lies in：
Battery is additionally provided in the shell, battery is set in battery case 3, and battery case 3 is fixed on battery case lid 4,
Battery case lid 4 is fixed inside the shell.
Battery is provided in shell, can allow differential pressure flowmeter continuous firing in the case of no external power supply, is improved
The environmental suitability of differential pressure flowmeter.
Embodiment 6
As a kind of preferred embodiment of the utility model, with reference to Figure of description 1 to attached drawing 2, present embodiment discloses
A kind of differential pressure flowmeter, the present embodiment is substantially the same manner as Example 1, difference lies in：
Sealing rubber ring I 2 is additionally provided between the outer cover body 9 and casing cover 1.
The sealing rubber ring I 2 set between outer cover body 9 and casing cover further improves the sealing grade of shell, increases
The service life of the utility model reduces maintenance times.
Embodiment 7
As a kind of preferred embodiment of the utility model, with reference to Figure of description 1 to attached drawing 2, present embodiment discloses
A kind of differential pressure flowmeter, the present embodiment is substantially the same manner as Example 1, difference lies in：
Solar energy interface 12, solar energy interface 12 and the solar panel for being set to outdoor are additionally provided on the shell
It is connected.
Solar energy interface 12 is connect with being set to outdoor solar panel, and solar panel can be on daytime to shell
Interior battery charges, and can make the utility model continuous firing in the case of completely without external power supply.Make this practicality new
Type can also realize autonomous working, greatly improve the use scope of the utility model in the field that no power grid covers.
Embodiment 8
As a kind of preferred embodiment of the utility model, with reference to Figure of description 1 to attached drawing 2, present embodiment discloses
A kind of differential pressure flowmeter, the present embodiment is substantially the same manner as Example 1, difference lies in：
Electric interfaces 10 are additionally provided on the shell, electric interfaces 10 are connected with control centre 23.
When the utility model is used in the place that the wireless networks such as underground can not cover, electric interfaces 10 can facilitate in shell
Electrical equipment be attached with control centre 23 by electric wire, it is ensured that control centre 23 keeps logical with the utility model at any time
Letter.
Embodiment 9
As a kind of preferred embodiment of the utility model, with reference to Figure of description 1 to attached drawing 2, present embodiment discloses
A kind of differential pressure flowmeter, the present embodiment is substantially the same manner as Example 2, difference lies in：
The control centre 23 further includes display 24.
The display 24 of control centre 23 can facilitate the work of each differential pressure flowmeter of the long-range real time inspection of staff
Situation.
Embodiment 10
As a kind of preferred embodiment of the utility model, with reference to Figure of description 1 to attached drawing 2, present embodiment discloses
A kind of differential pressure flowmeter, the present embodiment is substantially the same manner as Example 2, difference lies in：
The control centre 23 is PC machine.
Control centre 23 can be the PC machine for being equipped with operation sequence, facilitate the installation and manipulation of the utility model.
Embodiment described above only expresses the specific embodiment of the application, and description is more specific and detailed, but simultaneously
Cannot the limitation to the application protection domain therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, under the premise of technical scheme design is not departed from, various modifications and improvements can be made, these belong to this
The protection domain of application.
Claims (10)
1. a kind of differential pressure flowmeter, it is characterised in that：Shell including sealing, shell include outer cover body（9）And casing cover
（1）；Outer cover body（9）Side wall on be provided with the check valve that gas can be filled with into shell（11）With can will be in shell after opening
The outer valve connected（13）, inert gas is provided in shell, and the gas pressure of enclosure is higher than housing exterior
Atmospheric pressure；The baroceptor for measuring enclosure gas pressure is additionally provided in shell（16）With measurement enclosure temperature
Temperature sensor（17）.
2. differential pressure flowmeter according to claim 1, it is characterised in that：Pcb board is additionally provided in the shell（5）, PCB
Plate（5）On be provided with：
Receive baroceptor（16）Air pressure value signal, and the value and the value of the atmospheric pressure of preset housing exterior are compared
Compared with when the atmospheric pressure value of enclosure is less than or equal to the atmospheric value of housing exterior, to main control module（20）Send alarm signal
Number air pressure comparison module（18）；
Receive temperature sensor（17）Temperature value signal, and the value and preset temperature value are compared, work as enclosure
Temperature value be higher than preset temperature value when, to main control module（20）Send the temperature comparison module of alarm signal（19）；
Receive air pressure comparison module（18）And temperature comparison module（19）Alarm signal, and by the alarm signal received send
To control centre（23）Main control module（20）；
Receive main control module（20）The control centre of the alarm signal of transmission（23）；
The air pressure comparison module（18）Respectively with baroceptor（16）And main control module（20）It is electrically connected；The temperature ratio
Compared with module（19）Respectively with temperature sensor（17）And main control module（20）It is electrically connected；The main control module（20）With in control
The heart（23）It is electrically connected or communication network connects.
3. differential pressure flowmeter according to claim 2, it is characterised in that：The pcb board（5）On be additionally provided with communication module
Ⅰ（21）, communication module I（21）With main control module（20）It is electrically connected；The control centre（23）It is provided with and communication module I
（21）The communication module II to communicate（22）.
4. differential pressure flowmeter according to claim 1, it is characterised in that：Display panel is additionally provided in the shell
（15）, display panel（15）With pcb board（5）It is electrically connected；The outer cover body（9）Side wall on be provided with and display panel
（15）The corresponding show hole of size and location（25）, display panel（15）With show hole（25）Between be disposed with pressing plate
（6）, gasket（14）, implosion guard（7）With sealing rubber ring II（8）；Sealing rubber ring II（8）For hollow and annular, inner ring is with showing
Show hole（25）Size and shape it is identical, implosion guard（7）Minimum diameter be more than show hole minimum diameter, gasket（14）For
Hollow and annular, inner ring and show hole（25）Size and shape it is identical, pressing plate（6）It fixes on the shell, gasket（14）, explosion-proof glass
Glass（7）With sealing rubber ring II（8）Pass through pressing plate（6）Pressure fixing between shell.
5. differential pressure flowmeter according to claim 1, it is characterised in that：Battery is additionally provided in the shell, battery is set
It is placed in battery case（3）It is interior, battery case（3）It is fixed on battery case lid（4）On, battery case lid（4）It fixes inside the shell.
6. differential pressure flowmeter according to claim 1, it is characterised in that：The outer cover body（9）With casing cover（1）Between
It is additionally provided with sealing rubber ring I（2）.
7. differential pressure flowmeter according to claim 1, it is characterised in that：Solar energy interface is additionally provided on the shell
（12）, solar energy interface（12）It is connected with the solar panel for being set to outdoor.
8. differential pressure flowmeter according to claim 1, it is characterised in that：Electric interfaces are additionally provided on the shell
（10）, electric interfaces（10）With control centre（23）It is connected.
9. differential pressure flowmeter according to claim 2, it is characterised in that：The control centre（23）Further include display
（24）.
10. differential pressure flowmeter according to claim 2, it is characterised in that：The control centre（23）For PC machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721689848.5U CN207472332U (en) | 2017-12-07 | 2017-12-07 | A kind of differential pressure flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721689848.5U CN207472332U (en) | 2017-12-07 | 2017-12-07 | A kind of differential pressure flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207472332U true CN207472332U (en) | 2018-06-08 |
Family
ID=62257902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721689848.5U Active CN207472332U (en) | 2017-12-07 | 2017-12-07 | A kind of differential pressure flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207472332U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118896659A (en) * | 2024-06-20 | 2024-11-05 | 三川智慧科技股份有限公司 | A waterproof and moisture-proof large-caliber intelligent water meter |
-
2017
- 2017-12-07 CN CN201721689848.5U patent/CN207472332U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118896659A (en) * | 2024-06-20 | 2024-11-05 | 三川智慧科技股份有限公司 | A waterproof and moisture-proof large-caliber intelligent water meter |
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