CN219872181U - Time sequence control relay - Google Patents

Abstract

The embodiment of the utility model provides a time sequence control relay, which comprises the following components: a housing; the first PCB and the second PCB are arranged in the shell and are electrically connected; the first PCB is provided with at least two relay units, the second PCB is provided with a delay control key, the delay control key is used for generating a delay instruction, the second PCB is provided with a single chip microcomputer, the single chip microcomputer is used for detecting an external switch signal so as to execute the disconnection or connection of the relay units based on the external switch signal, the single chip microcomputer is also used for receiving the delay instruction so as to generate the delay signal based on the delay instruction and the external switch signal, and the single chip microcomputer is respectively connected with the at least two relay units so as to enable the at least two relay units to be disconnected or connected successively based on the delay signal to realize a time sequence control function. The at least two relay units can be turned off or turned on successively based on the delay instruction generated by the delay control key, so that equipment investment is saved, and operation difficulty is reduced.

Description

Time sequence control relay

Technical Field

The utility model belongs to the field of electrical devices, and particularly relates to a time sequence control relay.

Background

In the existing production industrial system which needs to be composed of a plurality of electrical devices or products, the plurality of electrical devices or products are often required to be controlled according to a certain sequence and time intervals, and in the existing technology, a large-scale PLC (Programmable Logic Controller; programmable logic controller) device can be used for realizing time sequence control of the plurality of electrical devices or products, but the problems of large occupied area and high investment exist, or the time sequence control of the plurality of devices is realized by connecting a plurality of relays through complex lines, but the problems of complex electrical lines and insufficient control are caused.

Disclosure of Invention

The embodiment of the utility model provides a time sequence control relay which can solve the technical problem that a plurality of relays are connected through a complex circuit to realize time sequence control of a plurality of electrical devices.

The embodiment of the utility model provides a time sequence control relay, which comprises the following components:

a housing;

the first PCB and the second PCB are arranged in the shell and are electrically connected;

at least two relay units are arranged on the first PCB,

a delay control key is arranged on the second PCB board and is used for generating a delay instruction,

the second PCB is provided with a singlechip, the singlechip is used for detecting an external switch signal to execute the switching-off or switching-on of the relay units based on the external switch signal, the singlechip is also used for receiving the delay instruction to generate delay signals based on the delay instruction and the external switch signal, and the singlechip is respectively connected with the at least two relay units to enable the at least two relay units to be switched off or switched on sequentially based on the delay signals so as to realize a time sequence control function.

Alternatively to this, the method may comprise,

the delay control key comprises an off delay control key and/or an on delay control key.

Alternatively to this, the method may comprise,

the delay control key includes a delay knob.

Optionally, the method further comprises:

the wiring terminal is arranged on the first PCB;

the connecting terminal is provided with a power input end, a switch signal input end and a relay contact connecting end.

Alternatively to this, the method may comprise,

the relay unit contact connecting end is connected with the output contact of the relay unit, and the output contact of the relay unit comprises a normally open contact and/or a normally closed contact.

Alternatively to this, the method may comprise,

the switch signal input end is used for receiving the external switch signal.

Optionally, the method further comprises:

and the relay unit state indicator lamp is arranged on the second PCB.

Alternatively to this, the method may comprise,

and the relay unit state indicator lamp is used for generating brightness change based on the working state of the relay unit.

Optionally, the method further comprises:

the signal indicator lamp is arranged on the second PCB;

alternatively to this, the method may comprise,

the housing includes:

a housing;

the bottom plate is connected with the shell;

the bottom plate is provided with a guide rail mounting groove and/or a screw mounting hole.

In summary, the timing control relay provided by the embodiment of the utility model includes: a housing; the first PCB and the second PCB are arranged in the shell and are electrically connected; the first PCB is provided with at least two relay units, the second PCB is provided with a delay control key, the delay control key is used for generating a delay instruction, the second PCB is provided with a single chip microcomputer, the single chip microcomputer is used for detecting an external switch signal so as to execute the switching-off or switching-on of the relay units based on the external switch signal, the single chip microcomputer is also used for receiving the delay instruction so as to generate a delay signal based on the delay instruction and based on the external switch signal, and the single chip microcomputer is respectively connected with the at least two relay units so as to enable the at least two relay units to be switched off or switched on based on the delay signal sequentially to realize a time sequence control function. The single chip microcomputer, the relay units and the delay control keys are arranged on the PCB in the relay shell, the transmission of electric signals and data signals is completed by utilizing a printed circuit preset in the PCB, the layout of electric power lines is reduced, in addition, the single chip microcomputer can generate delay signals based on external switch signals and the delay instructions through the delay instructions generated by the delay control keys, and the at least two relay units can be switched off or on successively based on the delay signals, so that time sequence control can be carried out on a plurality of devices controlled by the relay units, and therefore, time sequence control on a plurality of devices can be completed without configuring a large PLC device or adopting a plurality of relays connected through complex circuits, the devices are simplified, and investment and operation difficulty are reduced.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for the purpose of illustrating preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

fig. 1 is an external schematic structural diagram of a timing control relay according to an embodiment of the present utility model;

fig. 2 is a schematic layout diagram of a first PCB board in a timing control relay according to an embodiment of the present utility model;

fig. 3 is a schematic layout diagram of a second PCB board in a timing control relay according to an embodiment of the present utility model.

The correspondence between the reference numerals and the component names in fig. 1 to 3 is:

100 shells, 200 delay control keys, 300 signal indicator lamps, 400 relay unit state indicator lamps, 500 wiring terminals, 600 first PCBs, 700 relay units, 800 second PCBs and 900 singlechips;

110 housing, 120 bottom plate, 130 snap; 210 off delay control key, 220 on delay control key; 310 power indicator, 320 switch signal indicator; 510 power input, 520 switching signal input, 530 relay unit contact connection.

Detailed Description

The embodiment of the utility model provides a time sequence control relay, which can solve the technical problem that a plurality of relays are connected through a complex circuit to realize time sequence control of a plurality of electrical devices

The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments described herein may be implemented in other sequences than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the existing industrial production system, a plurality of electrical equipment or circuits are often required to be connected or disconnected according to a certain sequence and time intervals, the existing technical means can adopt a large PLC for control, but the PLC has large occupied area and large investment, cannot be suitable for the industrial environment, or adopts a plurality of time relays to realize time sequence control in a matched manner, and the problems of complex electrical circuit and inconvenient operation are caused.

In view of this, there is a need to provide a timing control relay that can simplify the wiring, reduce the investment, and be operated easily.

Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a timing control relay according to an embodiment of the present utility model, fig. 2 is a schematic layout diagram of a first PCB board in the timing control relay according to an embodiment of the present utility model, fig. 3 is a schematic layout diagram of a second PCB board 800 in the timing control relay according to an embodiment of the present utility model,

the above-described timing control relay may include:

a housing 100;

the first and second PCBs 600 and 800 disposed within the housing 100, the first and second PCBs 600 and 800 being electrically connected;

at least two relay units are provided on the first PCB 600,

the second PCB 800 is provided with a delay control key 200, the delay control key 200 is used to generate a delay instruction,

the second PCB 800 is provided with a single chip microcomputer 900, the single chip microcomputer 900 is configured to detect an external switching signal to perform switching-off or switching-on of the relay units 700 based on the external switching signal, the single chip microcomputer 900 is further configured to receive a delay command to generate a delay signal based on the delay command and based on the external switching signal, and the single chip microcomputer 900 is respectively connected to at least two relay units 700 to enable the at least two relay units 700 to be switched off or on based on the delay signal to achieve a timing control function.

Exemplary, the timing control relay according to the embodiment of the present utility model includes a housing 100, a first PCB 600, a second PCB 800, a relay unit 700, a single chip microcomputer 900, and a delay control key 200. The first PCB 600 and the second PCB 800 disposed in the housing 100 may be connected by a flat cable, so that electrical devices disposed on the first PCB 600 and the second PCB 800 may perform signal transmission, the relay unit 700 is disposed on the first PCB 600, and at least two relay units 700 may be connected to a plurality of external devices or products and connected to the single chip microcomputer 900 through a printed circuit and an intermediate connector on the PCB. The delay control key 200 and the single chip microcomputer 900 are disposed on the second PCB 800, the delay control key 200 may generate a delay command according to an external action, the delay command may be transmitted to the single chip microcomputer 900 through a printed circuit on the second PCB, so that the single chip microcomputer 900 may generate a delay signal based on an external switching signal and the delay command, the at least two relay units 700 may be turned off or on sequentially based on the delay signal, and thus, a device or product connected to the relay may be turned off or on sequentially, and the delay signal includes a time interval for the plurality of relay units 700 to perform the turn-off or turn-on action. It should be noted that, in some cases, the relay may be directly controlled by directly purchasing a single-chip microcomputer with a delay function based on a preset internal program thereof without external key control, or in other cases, the delay control key 200 may be a switch, so that whether the single-chip microcomputer 900 generates a delay signal is not limited specifically.

It may be further noted that, the relay unit 700 may include a small (electromagnetic) relay, and the first PCB board and the second PCB board may be connected by a connector or a socket, which is not particularly limited.

According to the time sequence control relay provided by the embodiment, the singlechip 900, the relay unit 700 and the time delay control key 200 are arranged on the PCB in the relay housing 100, the transmission of electric signals and data signals is completed by utilizing the preset printed circuit of the PCB, the layout of electric power lines is reduced, and the singlechip 900 can generate time delay signals based on external switch signals and time delay instructions through the time delay instructions generated by the time delay control key 200, and the at least two relay units 700 can be sequentially switched off or on based on the time delay signals, so that time sequence control can be performed on a plurality of devices controlled by the relay unit 700, and time sequence control on a plurality of devices can be completed without configuring large-scale PLC devices or adopting a plurality of relays connected through complex circuits, so that the devices are simplified, and investment and operation difficulty are reduced.

According to some embodiments, delay control 200 includes off delay control 210 and/or on delay control 220.

For example, referring to fig. 1 and 3, the delay control key 200 may include at least one of an off delay control key 210 and an on delay control key 220. The disconnection delay control key 210 may issue a disconnection delay command to the single chip microcomputer 900 based on an external action, so that the single chip microcomputer 900 may perform timing control on the plurality of connected relay units 700 when performing a disconnection operation. The switch-on delay control key 220 can send a switch-on delay instruction to the singlechip 900 based on an external action, so that the singlechip 900 can perform time sequence control on the plurality of connected relay units 700 under the condition of executing switch-on operation.

According to the timing control relay provided in the above embodiment, at least one of the off delay control key 210 and the on delay control key 220 is provided, so that the timing control can be performed either when the equipment needs to be turned on or when the equipment needs to be turned off, or both when the equipment is turned on and off, thereby improving the adaptability of the timing control relay.

According to some embodiments, the delay control 200 includes a delay knob.

For example, referring to fig. 1 and 3, the delay control key 200 may be configured as a delay knob, generate different analog signals according to a rotation amplitude of the knob, and send a delay signal based on the different analog signals, where the delay signal includes a delay time interval, and the delay time interval is related to the rotation amplitude, so that the at least two relay units 700 may perform a sequential on or off operation according to the delay time interval.

According to the time sequence control relay provided by the embodiment, the time delay control key 200 is set to be the time delay knob, so that the time interval of time delay can be adjusted, the adaptability of the time sequence control relay is improved, and the requirements of different industrial scenes are met.

According to some embodiments, further comprising:

the connection terminal 500 is disposed on the first PCB 600;

the terminal 500 is provided with a power input 510, a switching signal input 520 and a relay contact connection 530.

As shown in fig. 2, the first PCB 600 is provided with a connection terminal 500, and the connection terminal 500 may take different interface forms, such as a screw connection, a spring terminal, etc., according to different situations. The power input end 510, the switch signal input end 520 and the relay contact connecting end are arranged on the wiring terminal 500, so that the transmission requirements of different signals are met, the product structure is reduced, and the connection of external wires is facilitated.

According to some embodiments, the relay unit contact connection 530 is connected with an output contact of the relay unit 700, the output contact of the relay unit 700 comprising a normally open contact and/or a normally closed contact.

As shown in fig. 2, the output contacts of the relay units 700 may include at least one of a normally open contact and a normally closed contact, and the output contact types of each relay unit 700 may be set independently, so as to meet the requirements of the initial working states of different devices, and improve the adaptability of a timing control relay provided by the embodiment of the present utility model.

According to some embodiments, the switching signal input 520 is configured to receive an external switching signal.

As shown in fig. 2 and 3, the switch signal input terminal 520 is configured to receive an external switch signal, where the external switch signal includes an external switch on signal and an external switch off signal, and the single chip microcomputer 900 may generate a delay signal based on the external switch on signal or the external switch off signal and a delay command, where the delay signal may cause the at least two relay units 700 to perform an on or off operation.

According to some embodiments, the timing control relay further includes:

the relay unit status indicator lamp 400, the relay unit status indicator lamp 400 is disposed on the second PCB board 800.

As shown in fig. 1 and 3, the relay unit status indicator lamps 400 are disposed on the second PCB 800, and the number of the relay unit status indicator lamps 400 may be one or more, and may be equal to the number of the relay units 700 in a plurality of cases, and in some cases, the relay units 700 may be indicated to work normally by turning on or off the different relay unit status indicator lamps, so that a worker may locate the malfunctioning relay unit 700 more quickly.

According to some embodiments, the relay unit status indicator 400 is configured to generate a change in brightness based on the operating status of the relay unit 700.

As shown in fig. 1 and 3, the relay unit status indicator lamp 400 may be used to represent the operation status of the relay unit 700, and the operation status of the relay unit 700 may include on, off, and time delay, if the number of the relay unit status indicator lamps 400 and the number of the relay units 700 are equal, the corresponding relay unit status indicator lamps 400 may be lightened when the relay unit 700 is in the on operation status, the corresponding relay unit status indicator lamps 400 may be darkened when the relay unit 700 is in the off operation status, and the relay unit status indicator lamps 400 corresponding to the relay unit 700 in the time delay may blink.

According to the time sequence control relay provided by the embodiment, the working states of different relay units 700 can be reflected in real time by setting the relay unit state indicator lamp 400, a worker can learn the working states of the corresponding connected devices from the working states of the relay units 700, and under the condition that the indicator lamp states and the corresponding device working states are not uniform, the worker can quickly judge whether the devices have faults or not.

According to some embodiments, the timing control relay further includes:

the signal indicator lamp 300 is arranged on the second PCB 800;

as an example, as shown in fig. 1 and 3, the signal indicator lamp 300 may include a power indicator lamp 310 and a switching signal indicator lamp 320, the power indicator lamp 310 is used to indicate whether the power source can normally operate, and the switching signal indicator lamp 320 may indicate whether the external switching signal is an on signal or an off signal of the relay unit 700 through different colors or lights.

In accordance with some of the embodiments of the present utility model,

the housing 100 includes:

a housing 110;

a base plate 120, the base plate 120 being connected to the housing 110;

the base plate 120 is provided with rail mounting grooves and/or screw mounting holes.

As shown in fig. 1, the casing 100 may include a casing 110, a base plate 120, a buckle 130 and a label 140, where the casing 110 and the base plate 120 may be movably connected by the buckle 130, so that the casing 100 is convenient to detach and install, and the base plate 120 is provided with at least one of a guide rail mounting groove or a screw mounting hole, thereby improving the adaptability of the timing control relay.

In the present utility model, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. The term "two or more" includes two or more cases.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present specification without departing from the spirit or scope of the specification. Thus, if such modifications and variations of the present specification fall within the scope of the claims and the equivalents thereof, the present specification is also intended to include such modifications and variations.

Claims (10)

1. A timing control relay, comprising:

a housing;

the first PCB and the second PCB are arranged in the shell and are electrically connected;

at least two relay units are arranged on the first PCB,

a delay control key is arranged on the second PCB board and is used for generating a delay instruction,

the second PCB is provided with a singlechip, the singlechip is used for detecting an external switch signal to execute the switching-off or switching-on of the relay units based on the external switch signal, the singlechip is also used for receiving the delay instruction to generate delay signals based on the delay instruction and the external switch signal, and the singlechip is respectively connected with the at least two relay units to enable the at least two relay units to be switched off or switched on sequentially based on the delay signals so as to realize a time sequence control function.

2. A timing control relay according to claim 1, wherein,

the delay control key comprises an off delay control key and/or an on delay control key.

3. A timing control relay according to claim 1 or 2, characterized in that,

the delay control key includes a delay knob.

4. A timing control relay in accordance with claim 1, further comprising:

the wiring terminal is arranged on the first PCB;

the connecting terminal is provided with a power input end, a switch signal input end and a relay contact connecting end.

5. A timing control relay according to claim 4, wherein,

the relay unit contact connecting end is connected with the output contact of the relay unit, and the output contact of the relay unit comprises a normally open contact and/or a normally closed contact.

6. A timing control relay according to claim 4, wherein,

the switch signal input end is used for receiving the external switch signal.

7. A timing control relay in accordance with claim 1, further comprising:

and the relay unit state indicator lamp is arranged on the second PCB.

8. A timing control relay according to claim 7, wherein,

and the relay unit state indicator lamp is used for generating brightness change based on the working state of the relay unit.

9. A timing control relay in accordance with claim 1, further comprising:

and the signal indicator lamp is arranged on the second PCB.

10. A timing control relay according to claim 1, wherein,

the housing includes:

a housing;

the bottom plate is connected with the shell;

the bottom plate is provided with a guide rail mounting groove and/or a screw mounting hole.