CN220040987U - Manual operation box for subway air valve - Google Patents
Manual operation box for subway air valve Download PDFInfo
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- CN220040987U CN220040987U CN202320305108.6U CN202320305108U CN220040987U CN 220040987 U CN220040987 U CN 220040987U CN 202320305108 U CN202320305108 U CN 202320305108U CN 220040987 U CN220040987 U CN 220040987U
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- 238000001514 detection method Methods 0.000 claims abstract description 38
- 238000006243 chemical reaction Methods 0.000 claims abstract description 25
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a manual operation box of a subway air valve, which comprises the following components: the device comprises a control circuit board, a circuit breaker, a valve opening and closing switching circuit, a power supply conversion circuit, a wiring terminal row and a detection circuit; the live wire input end of the circuit breaker is connected to a commercial power live wire, and the zero wire input end of the circuit breaker is connected to a commercial power zero wire; the live wire output end of the circuit breaker is connected to one end of a valve opening and closing circuit, and the other end of the valve opening and closing circuit is connected to the forward rotation input end of the subway air valve motor; the live wire output end of the circuit breaker is connected to one end of a valve closing and opening circuit, and the other end of the valve closing and opening circuit is connected to the reversing input end of the subway air valve motor; the zero line output end of the circuit breaker is connected to the zero line input end of the subway air valve motor; the live wire output end of the circuit breaker and the zero wire output end of the circuit breaker are connected to the power conversion circuit. The manual operation box for the subway air valve solves the problem that a control port cannot be conveniently added on an installed control circuit board in the prior art.
Description
Technical Field
The utility model relates to a subway air valve, in particular to a subway air valve manual operation box.
Background
The general subway space is comparatively big, and the blast gate is installed on the pedestrian passageway, and the position of blast gate installation is comparatively concealed, and because the people stream is great, is inconvenient for the manual work to go to the scene and carries out the operation of opening and closing of blast gate, so generally adopts electric blast gate remote control system to control the subway blast gate.
The remote control system of the electric air valve comprises: the system comprises a comprehensive control system FAS/BAS, a control circuit board and a control switch group, wherein the subway air valve is connected to a mains supply through the control switch group, the control part of the control switch group is connected to the output end of the control circuit board, and the control circuit board is connected to the comprehensive control system FAS/BAS in a communication manner, so that remote control of the air valve is realized.
The above system still has the following problems: because the subway control system is complex, namely, more subway air valves are possible, the requirement that the control ports of the control circuit board need to be changed possibly exists in the use and maintenance process, and the wiring terminals of the corresponding air valve actuators in the control circuit board are difficult to be changed after equipment is installed.
Disclosure of Invention
The utility model provides a manual operation box of a subway air valve, which solves the problem that a control port cannot be conveniently added on an already-installed control circuit board in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model discloses a manual operation box of a subway air valve, which comprises the following components: the device comprises a control circuit board, a circuit breaker, a valve opening and closing switching circuit, a power supply conversion circuit, a wiring terminal row and a detection circuit; the live wire input end of the circuit breaker is connected to a commercial power live wire, and the zero wire input end of the circuit breaker is connected to a commercial power zero wire; the live wire output end of the circuit breaker is connected to one end of a valve opening and closing circuit, and the other end of the valve opening and closing circuit is connected to the forward rotation input end of the subway air valve motor; the live wire output end of the circuit breaker is connected to one end of a valve closing and opening circuit, and the other end of the valve closing and opening circuit is connected to the reversing input end of the subway air valve motor; the zero line output end of the circuit breaker is connected to the zero line input end of the subway air valve motor; the live wire output end of the circuit breaker and the zero line output end of the circuit breaker are connected to a power supply conversion circuit, the power supply conversion circuit is used for converting the mains voltage into direct current 24V, and the power supply conversion circuit supplies power to the control circuit board; the first output end of the control circuit board is connected to the control end of the valve opening and closing circuit, and the second output end of the control circuit board is connected to the control end of the valve opening and closing circuit; the first input end of the detection circuit is connected to the forward rotation input end of the subway air valve motor, the second input end of the detection circuit is connected to the reverse rotation input end of the subway air valve motor, the first output end of the detection circuit is connected to the first input end of the control circuit board, and the second output end of the detection circuit is connected to the second input end of the control circuit board; the control circuit board is connected with a wiring terminal strip.
Preferably, the detection circuit includes: a first photo coupler U1, a resistor R2 and a second photo coupler U2; the positive input end of the first photoelectric coupler U1 is a first input end of a detection circuit, the negative input end of the first photoelectric coupler U1 is connected to a zero line, the negative output end of the first photoelectric coupler U1 is grounded, the positive output end of the first photoelectric coupler is connected to one end of a resistor R1, the other end of the resistor R1 is connected to an output section of a power conversion circuit, and the positive output end of the first photoelectric coupler U1 is a first output end of the detection circuit; the positive input end of the second photoelectric coupler U2 is a first input end of the detection circuit, the negative input end of the first photoelectric coupler U2 is connected to a zero line, the negative output end of the first photoelectric coupler U1 is grounded, the positive output end of the first photoelectric coupler is connected to one end of the resistor R1, the other end of the resistor R1 is connected to the output section of the power conversion circuit, and the positive output end of the first photoelectric coupler U2 is a first output end of the detection circuit.
Preferably, the control circuit board is connected to a control terminal of a controllable switch, and the controllable switch is connected to a power supply branch of the signal indicator lamp.
Preferably, the controllable switch is a switching triode, the base of the switching triode is the control end of the controllable switch, the emitter of the switching triode is grounded, the collector of the switching triode is connected to the cathode of the signal indicator lamp, and the anode of the signal indicator lamp is connected to the output end of the power supply conversion circuit.
Preferably, the valve opening and closing circuit is a relay KA1, and the valve closing and closing circuit is a relay KA2.
Compared with the prior art, the utility model has the following beneficial effects:
1) The wiring terminal strip is connected to the input/output end that control circuit board does not have the connection, conveniently controls a plurality of subway blast gate motors, provides control port etc. of control circuit board on the wiring terminal strip, and each interface on the wiring terminal strip is used in convenient regulation when follow-up needs, and the design of wiring terminal strip makes things convenient for follow-up regulation to use.
2) Through setting up valve switch circuit and closing valve switch circuit, realized that control circuit board control valve switch circuit is closed, the switch circuit place branch road circular telegram of valve switch circuit has the electricity to enter into, and detection circuit feedback valve switch circuit has made the signal of subway blast gate motor corotation to control circuit board simultaneously. The control circuit board (a special control board for the PCB valve) receives a signal (passive) that the motor of the subway air valve is controlled to rotate forward, the KAI is powered off at the moment when the indicator lamp is on, and meanwhile, the FAS/BAS of the comprehensive control system is powered on. And closing the valve in the same way. The integrated control system FAS/BAS is in communication connection with the control circuit board, so that the integrated control system FAS/BAS can fully know whether the subway valve is in an open state or in a closed state.
3) The detection circuit fully detects whether the valve opening switching circuit and the valve closing switching circuit are closed or opened in place, so that the problem that the whole forward rotation control or reverse rotation control cannot be realized due to the damage of the valve opening switching circuit and the valve closing switching circuit is avoided, and the normal implementation of the basic forward rotation control or reverse rotation control function is ensured.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a circuit diagram of a manual operation box of a subway air valve.
Fig. 2 is a circuit diagram of the detection circuit.
Reference numerals: the control circuit board 1, the circuit breaker 2, the valve opening and closing switch circuit 3, the valve closing and closing switch circuit 4, the power supply conversion circuit 5, the detection circuit 6 and the subway air valve motor M.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present utility model more clear and easy to understand, the present utility model is further described below with reference to the accompanying drawings and the detailed description:
as shown in fig. 1 and 2, the present utility model discloses a manual operation box of a subway air valve, comprising: a control circuit board 1, a circuit breaker 2, a valve opening and closing switch circuit 3, a valve closing and closing switch circuit 4, a power supply conversion circuit 5, a wiring terminal block (not shown in the figure) and a detection circuit 6; the live wire input end of the circuit breaker 2 is connected to the commercial power live wire L, and the zero wire input end of the circuit breaker 2 is connected to the commercial power zero wire N; the live wire output end of the circuit breaker 2 is connected to one end of a valve opening and closing circuit 3, and the other end of the valve opening and closing circuit 3 is connected to the forward rotation input end of the subway air valve motor M; the live wire output end of the circuit breaker 2 is connected to one end of a valve closing and opening circuit 4, and the other end of the valve closing and opening circuit 4 is connected to the inverting input end of the subway air valve motor M; the zero line output end of the circuit breaker 2 is connected to the zero line input end of the subway air valve motor M; the live wire output end of the circuit breaker 2 and the zero line output end of the circuit breaker 2 are connected to a power supply conversion circuit 5, the power supply conversion circuit 5 is used for converting the mains voltage into direct current 24V, and the power supply conversion circuit 5 supplies power for the control circuit board 1; the first output end of the control circuit board 1 is connected to the control end of the valve opening and closing circuit 3, and the second output end of the control circuit board 1 is connected to the control end of the valve closing and closing circuit 4; the first input end of the detection circuit 6 is connected to the forward rotation input end of the subway air valve motor M, the second input end of the detection circuit 6 is connected to the reverse rotation input end of the subway air valve motor M, the first output end of the detection circuit 6 is connected to the first input end of the control circuit board 1, and the second output end of the detection circuit 6 is connected to the second input end of the control circuit board 1; the control circuit board 1 is connected with a wiring terminal block.
The detection circuit 6 includes: a first photo coupler U1, a resistor R2 and a second photo coupler U2; the positive input end of the first photoelectric coupler U1 is a first input end of the detection circuit 6, the negative input end of the first photoelectric coupler U1 is connected to a zero line, the negative output end of the first photoelectric coupler U1 is grounded, the positive output end of the first photoelectric coupler is connected to one end of the resistor R1, the other end of the resistor R1 is connected to the output section of the power conversion circuit 5, and the positive output end of the first photoelectric coupler U1 is a first output end of the detection circuit 6; the positive input end of the second photoelectric coupler U2 is a first input end of the detection circuit 6, the negative input end of the first photoelectric coupler U2 is connected to a zero line, the negative output end of the first photoelectric coupler U1 is grounded, the positive output end of the first photoelectric coupler is connected to one end of the resistor R1, the other end of the resistor R1 is connected to the output section of the power conversion circuit 5, and the positive output end of the first photoelectric coupler U2 is a first output end of the detection circuit 6. The first photoelectric coupler U1 and the second photoelectric coupler U2 are respectively connected to power supplies at the valve opening and closing switch circuit 3 and the valve closing switch circuit 4, the first photoelectric coupler U1 and the second photoelectric coupler U2 are connected to larger mains voltage, the first photoelectric coupler U1 and the second photoelectric coupler U2 have the effect of separating and isolating a strong current circuit from a weak current circuit where the following R1 and R2 are located, the control circuit board 1 is prevented from being damaged due to strong current connected to the valve opening and closing switch circuit 3 and the valve closing switch circuit 4, the control circuit board 1 is protected, and the service life of the control circuit board 1 is prolonged. In the utility model, when the valve opening and closing circuit 3 is closed, the light emitted by the light emitting diode on the light emitting diode connected to the first photoelectric coupler by voltage makes the triode of the first photoelectric coupler closed, the end part of the resistor R1 has voltage output change, and the control circuit board 1 detects the change. The same applies to the second optocoupler when the valve switching circuit 4 is closed. Thereby ensuring that the detection operation of the detection circuit 6 can be performed normally.
The control circuit board 1 is connected to the control end of a controllable switch, and the controllable switch is connected to the power supply branch of the signal indicator lamp. The signal indicator lamp is operated under the control of the control circuit board 1.
The controllable switch is a switch triode, the base of the switch triode is the control end of the controllable switch, the emitter of the switch triode is grounded, the collector of the switch triode is connected to the cathode of the signal indicator lamp, and the anode of the signal indicator lamp is connected to the output end of the power supply conversion circuit 5.
The valve opening and closing circuit 3 is a relay KA1, and the valve closing and closing circuit 4 is a relay KA2. The relay is convenient to control, good in stability and small in risk coefficient when being opened and closed.
The control circuit board 1, the circuit breaker 2, the valve opening and closing switch circuit 3, the valve closing and closing switch circuit 4, the power supply conversion circuit 5, the wiring terminal row and the detection circuit 6 are all arranged on the operation box body, so that the whole subway air valve manual operation box is formed.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (4)
1. The utility model provides a subway blast gate manual operation case which characterized in that includes: a control circuit board, a circuit breaker, a valve opening and closing switch circuit, a valve closing and closing switch circuit, a power supply conversion circuit, a wiring terminal row and a detection circuit,
the live wire input end of the circuit breaker is connected to a commercial power live wire, and the zero wire input end of the circuit breaker is connected to a commercial power zero wire; the live wire output end of the circuit breaker is connected to one end of a valve opening and closing circuit, and the other end of the valve opening and closing circuit is connected to the forward rotation input end of the subway air valve motor; the live wire output end of the circuit breaker is connected to one end of a valve closing and opening circuit, and the other end of the valve closing and opening circuit is connected to the reversing input end of the subway air valve motor; the zero line output end of the circuit breaker is connected to the zero line input end of the subway air valve motor;
the live wire output end of the circuit breaker and the zero line output end of the circuit breaker are connected to a power supply conversion circuit, the power supply conversion circuit is used for converting the mains voltage into direct current 24V, and the power supply conversion circuit supplies power to the control circuit board;
the first output end of the control circuit board is connected to the control end of the valve opening and closing circuit, and the second output end of the control circuit board is connected to the control end of the valve opening and closing circuit;
the first input end of the detection circuit is connected to the forward rotation input end of the subway air valve motor, the second input end of the detection circuit is connected to the reverse rotation input end of the subway air valve motor, the first output end of the detection circuit is connected to the first input end of the control circuit board, and the second output end of the detection circuit is connected to the second input end of the control circuit board;
the control circuit board is connected with a wiring terminal strip.
2. The metro air valve manual box of claim 1, wherein the detection circuit comprises: a first photo coupler U1, a resistor R2 and a second photo coupler U2;
the positive input end of the first photoelectric coupler U1 is a first input end of a detection circuit, the negative input end of the first photoelectric coupler U1 is connected to a zero line, the negative output end of the first photoelectric coupler U1 is grounded, the positive output end of the first photoelectric coupler is connected to one end of a resistor R1, the other end of the resistor R1 is connected to an output section of a power conversion circuit, and the positive output end of the first photoelectric coupler U1 is a first output end of the detection circuit;
the positive input end of the second photoelectric coupler U2 is a first input end of the detection circuit, the negative input end of the first photoelectric coupler U2 is connected to a zero line, the negative output end of the first photoelectric coupler U1 is grounded, the positive output end of the first photoelectric coupler is connected to one end of the resistor R1, the other end of the resistor R1 is connected to the output section of the power conversion circuit, and the positive output end of the first photoelectric coupler U2 is a first output end of the detection circuit.
3. The underground wind valve manual operation box according to claim 2, wherein the controllable switch is a switch triode, the base of the switch triode is a control end of the controllable switch, the emitter of the switch triode is grounded, the collector of the switch triode is connected to the cathode of the signal indicator lamp, and the anode of the signal indicator lamp is connected to the output end of the power supply conversion circuit.
4. A manual operation box for a subway air valve according to claim 3, wherein the valve opening and closing circuit is a relay KA1, and the valve closing and closing circuit is a relay KA2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320305108.6U CN220040987U (en) | 2023-02-24 | 2023-02-24 | Manual operation box for subway air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320305108.6U CN220040987U (en) | 2023-02-24 | 2023-02-24 | Manual operation box for subway air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220040987U true CN220040987U (en) | 2023-11-17 |
Family
ID=88735174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320305108.6U Active CN220040987U (en) | 2023-02-24 | 2023-02-24 | Manual operation box for subway air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220040987U (en) |
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2023
- 2023-02-24 CN CN202320305108.6U patent/CN220040987U/en active Active
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