CN204328135U - Subway tunnel break-make type air-valve control circuit - Google Patents
Subway tunnel break-make type air-valve control circuit Download PDFInfo
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- CN204328135U CN204328135U CN201420741438.0U CN201420741438U CN204328135U CN 204328135 U CN204328135 U CN 204328135U CN 201420741438 U CN201420741438 U CN 201420741438U CN 204328135 U CN204328135 U CN 204328135U
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Abstract
The utility model discloses a kind of subway tunnel break-make type air-valve control circuit, comprise main control chip, display screen, tutorial light, electric control box panel interface, functional circuit, optically coupled circuit, control circuit and mu balanced circuit; Described display screen, functional circuit, optically coupled circuit, control circuit are connected with described main control chip; Described electric control box panel interface is connected with described control circuit; Described tutorial light is connected with described functional circuit; Described mu balanced circuit is whole circuit with stable voltage.The utility model circuit can carry out the safety control of subway air-valve, and has a series of functions such as work feedback, malfunction alarm, and has certain integration, and easy-to-operat personnel carry out centralized control.
Description
Technical field
The utility model relates to subway air-valve and controls, and is specifically related to a kind of subway tunnel break-make type air-valve control circuit.
Background technique
Subway tunnel in use needs to ventilate always, so a control gear that can control subway air-valve is just most important, control gear underintegration of the prior art is high, automatically warning can not be made to the system failure while control air-valve, and level of integration is bad, operative employee operates very inconvenient.
Model utility content
In order to solve the problem, the utility model discloses a kind of subway tunnel break-make type air-valve control circuit.
The technical solution of the utility model is:
A kind of subway tunnel break-make type air-valve control circuit, comprises main control chip, display screen, tutorial light, electric control box panel interface, functional circuit, optically coupled circuit, control circuit and mu balanced circuit; Described display screen, functional circuit, optically coupled circuit, control circuit are connected with described main control chip; Described electric control box panel interface is connected with described control circuit; Described tutorial light is connected with described functional circuit; Described mu balanced circuit is whole circuit with stable voltage.
Its further technological scheme is: the model of described main control chip is HT67F488; Described display screen is LED display, connects the 25 pin of described main control chip to the 33 pin;
Described functional circuit comprises eight triodes and corresponding air-valve switch, and described air-valve switch comprises the cache switching diodes that model is IN4148; The 12 pin that the base stage of described eight triodes connects described main control chip is to the 14 pin and the 34 pin to the 36 pin, and its collector electrode connects the cache switching diodes in each air-valve switch, its emitter all ground connection;
Described optically coupled circuit connects the 37 pin of described main control chip to the 39 pin; Described optically coupled circuit comprises 6 Light Coupled Devices, and described Light Coupled Device model is NEC2501;
Described electric control box panel interface and described main control chip are carried out electricity and are connected by described control circuit, and described control circuit connects the 19 pin of the described main control chip of described connection to the 23 pin; Electric control box panel interface comprises four row's cushion mouths, controls warning, remote analog/digital control and air-valve potentiometer respectively.
Described tutorial light comprises four light emitting diodes, indicating circuit break-make, ON signal, OFF signal and error signal respectively, wherein indicate the light emitting diode positive pole connecting circuit high level of ON signal, OFF signal and error signal, negative pole connects the cache switching diodes in described functional circuit in corresponding air-valve switch.
Advantageous Effects of the present utility model is:
The utility model circuit can carry out the safety control of subway air-valve, and has a series of functions such as work feedback, malfunction alarm, and has certain integration, and easy-to-operat personnel carry out centralized control.
Accompanying drawing explanation
Fig. 1 is the utility model block diagram.
Fig. 2-a is the circuit part schematic diagram except functional circuit 5.
Fig. 2-b is functional circuit 5 schematic diagram.
Embodiment
Fig. 1 is system block diagram of the present utility model, and the utility model comprises main control chip 1, display screen 2, tutorial light 3, electric control box panel interface 4, functional circuit 5, optically coupled circuit 6, control circuit 7 and mu balanced circuit 8; Described display screen 2, functional circuit 5, optically coupled circuit 6, control circuit 7 are connected with described main control chip 1; Described electric control box panel interface 4 is connected with described control circuit 7; Described tutorial light 3 is connected with described functional circuit 5; Described mu balanced circuit 8 is whole circuit with stable voltage.
Fig. 2 is the utility model circuit diagram, and Fig. 2-a is the circuit part schematic diagram except functional circuit 5, and Fig. 2-b is functional circuit 5 schematic diagram.The model of main control chip 1 is HT67F488; Described display screen 2 is LED display, can the working state of display circuit, and display screen 2 connects the 25 pin of main control chip 1 to the 33 pin.
Functional circuit 5 comprises eight triode Q1 ~ Q8 and corresponding air-valve switch, and air-valve switch comprises cache switching diodes D20 ~ D29 that model is IN4148; The 12 pin that the base stage of eight triode Q1 ~ Q8 connects main control chip 1 is to the 14 pin and the 34 pin to the 36 pin, wherein triode Q1 ~ Q4 connects the 35 pin of main control chip, the 36 pin, the 12 pin and the 13 pin successively respectively, triode Q5 is connected the 14 pin of main control chip with triode Q6, triode Q7 is connected the 34 pin of main control chip with triode Q8; The collector electrode of triode Q1 ~ Q8 connects the high speed diode of each air-valve switch respectively, wherein triode Q1 and triode Q2 are connected diode D28 and diode D29 respectively, diode D28 and diode D29 are connected again diode D20 and diode D21 respectively, the contact pin interface of diode D20 and diode D21 connection control motor.Triode Q3 ~ triode Q8 connects diode D22 ~ diode D27 respectively, diode D22 connects the contact pin interface of standard-sized sheet 1 and standard-sized sheet 2, diode D23 connects the contact pin interface of complete shut-down 1 and complete shut-down 2, diode D24 connects the contact pin interface of middle 1 and middle 2,3 contact pin interface in the middle of diode D25 connects, diode D26 connects fault 3 contact pin interface, and diode D27 connects fault 1 and fault 2 contact pin interface.
Optically coupled circuit 6 connects the 37 pin of main control chip 1 to the 39 pin.Optically coupled circuit 6 comprises 6 Light Coupled Device U9 ~ U14, and Light Coupled Device model is NEC2501, and described Light Coupled Device U9 ~ U14 connects the 37 pin of main control chip 1 to the 39 pin.Wherein the 4th pin of Light Coupled Device U9 ~ U11 connects the 37 pin of main control chip 1 respectively successively to the 39 pin, and first pin of Light Coupled Device U9 ~ U11 is connected row's cushion mouth BAS-DC24V with the second pin.4th pin of Light Coupled Device U12 ~ U14 connects the 37 pin of main control chip 1 respectively successively to the 39 pin, and first pin of Light Coupled Device U12 ~ U14 is connected row's cushion mouth BAS-AC220V with the second pin.
Electric control box panel interface 4 is carried out electricity with described main control chip 1 and is connected by control circuit 7, and control circuit 7 connects the 19 pin of described connection main control chip 1 to the 23 pin;
Electric control box panel interface 4 comprises four row's cushion mouths, is respectively and controls warning, remote analog/digital control and air-valve potentiometer, also have on the spot/remote mode selector switch.
Tutorial light 3 comprises four light emitting diodes, indicating circuit break-make, ON signal, OFF signal and error signal respectively, wherein indicate the light emitting diode positive pole connecting circuit high level of ON signal, OFF signal and error signal, negative pole connects the cache switching diodes in described functional circuit 5 in corresponding air-valve switch.The light emitting diode lamp of ON signal is wherein indicated to connect diode D28, can the unlatching of indication mechanism, the light emitting diode of instruction OFF signal connects diode D29, can the shutoff of indication mechanism, the light emitting diode of misdirection signal connects diode D26, can the run-time error of indication mechanism.The light emitting diode positive pole connecting circuit high level of indicating circuit break-make, the direct ground connection of negative pole, whether indicating circuit is connected.
Electric control box panel interface 4 is provided with on the spot/far control mode selection switch, littlely to open/these three patterns of standard-sized sheet/complete shut-down control by the air-valve potentiometer in electric control box panel interface 4.When on the spot/control mode selection switch far away is switched to regard under ground mode, littlely to open/standard-sized sheet/complete shut-down potentiometer regulates effectively, valve area can be controlled, when main control chip 1 receive from air-valve littlely to open/standard-sized sheet/complete shut-down put in place feedback signal time, cutting-off controlling signal, and provide 2 groups little respectively and open/2 groups of standard-sized sheet/2 group complete shut-down passive dry contact (relay contact) signals, when on the spot/under control mode selection switch far away is switched to control pattern far away, far-end controls effectively, main control chip 1 can accept 3 groups of DC24V or AC220V pulse signals (5sec) that far-end provides or DC0-10V analog signals, main control chip 1 according to control far away provide littlely to open/standard-sized sheet/complete shut-down pulse signal controls air-valve and opens and closes that (control panel realizes self-sustaining pulse control signal, little aperture is determined by electric control box door-plate potentiometer present position), when main control chip 1 receive from air-valve littlely to open/standard-sized sheet/complete shut-down feedback signal time, cutting-off controlling signal, and provide 2 groups little and open/2 groups of passive dry contact signals of standard-sized sheet/2 group complete shut-down, the cutting-off controlling signal when air-valve running exceeds Preset Time, and provide 2 groups of malfunction alarm dry contacts. and (selection of fault function wire jumper), display screen 2 is provided with 0 ~ 99 valve area display, malfunction alarm, feedback signal is compared in time delay, malfunction alarm cutting-off controlling power supply.
Control box panel is also provided with reset button, and can reset fault message and fault indicating lamp.It is complete shut-down that angle is less than or equal to 5 degree, and being more than or equal to 85 degree is standard-sized sheet (being converted into magnitude of voltage), has valve position compensate function.FAS/BAS far controls pulse control signal (little open/complete shut-down/standard-sized sheet) AC220V/DC24V or DC0-10V, only have a kind of operating mode, FAS/BAS far controls pulse control signal (little open/complete shut-down/standard-sized sheet) AC220VDC24V and control box panel positioning work piece uses (far controlling little opening is exactly the given control signal in control box panel present position) simultaneously; Control DC0-10V control signal far away and control box potentiometer control signal are isolated, and effective with regard to ground mode time control case faceplate rheostat control signal, far control inefficacy, during control pattern far away, control box faceplate rheostat control signal is invalid, far controls inefficacy.
Above-described is only preferred implementation of the present utility model, and the utility model is not limited to above embodiment.Be appreciated that the oher improvements and changes that those skilled in the art directly derive or associate under the prerequisite not departing from spirit of the present utility model and design, all should think and be included within protection domain of the present utility model.
Claims (2)
1. a subway tunnel break-make type air-valve control circuit, is characterized in that: comprise main control chip (1), display screen (2), tutorial light (3), electric control box panel interface (4), functional circuit (5), optically coupled circuit (6), control circuit (7) and mu balanced circuit (8); Described display screen (2), functional circuit (5), optically coupled circuit (6), control circuit (7) are connected with described main control chip (1); Described electric control box panel interface (4) is connected with described control circuit (7); Described tutorial light (3) is connected with described functional circuit (5); Described mu balanced circuit (8) is whole circuit with stable voltage.
2. subway tunnel break-make type air-valve control circuit as claimed in claim 1, is characterized in that: the model of described main control chip (1) is HT67F488; Described display screen (2) is LED display, connects the 25 pin of described main control chip (1) to the 33 pin;
Described functional circuit (5) comprises eight triodes (Q1 ~ Q8) and corresponding air-valve switch, and described air-valve switch comprises the cache switching diodes that model is IN4148; The 12 pin that the base stage of described eight triodes (Q1 ~ Q8) connects described main control chip (1) is to the 14 pin and the 34 pin to the 36 pin, its collector electrode connects the cache switching diodes in each air-valve switch, its emitter all ground connection;
Described optically coupled circuit (6) comprises 6 Light Coupled Devices (U9 ~ U14), described Light Coupled Device model is NEC2501,4th pin of described Light Coupled Device (U9 ~ U14) connects the 37 pin of described main control chip (1) to the 39 pin, and the first pin of Light Coupled Device (U9 ~ U14) is connected first row pin (BAS-DC24V) and second row pin (BAS-AC220V) with the second pin;
Described electric control box panel interface (4) is carried out electricity with described main control chip (1) and is connected by described control circuit (7), and described control circuit (7) connects the 19 pin of the described main control chip of described connection (1) to the 23 pin; Electric control box panel interface (4) comprises four row's cushion mouths, controls warning, remote analog/digital control and air-valve potentiometer respectively;
Described tutorial light (3) comprises four light emitting diodes, indicating circuit break-make, ON signal, OFF signal and error signal respectively, wherein indicate the light emitting diode positive pole connecting circuit high level of ON signal, OFF signal and error signal, negative pole connects the cache switching diodes in described functional circuit (5) in corresponding air-valve switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420741438.0U CN204328135U (en) | 2014-11-29 | 2014-11-29 | Subway tunnel break-make type air-valve control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420741438.0U CN204328135U (en) | 2014-11-29 | 2014-11-29 | Subway tunnel break-make type air-valve control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204328135U true CN204328135U (en) | 2015-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420741438.0U Expired - Fee Related CN204328135U (en) | 2014-11-29 | 2014-11-29 | Subway tunnel break-make type air-valve control circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN204328135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837841A (en) * | 2017-02-16 | 2017-06-13 | 浙江好得电气有限公司 | A kind of integrated air-valve control unit and air-valve control system |
-
2014
- 2014-11-29 CN CN201420741438.0U patent/CN204328135U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837841A (en) * | 2017-02-16 | 2017-06-13 | 浙江好得电气有限公司 | A kind of integrated air-valve control unit and air-valve control system |
| CN106837841B (en) * | 2017-02-16 | 2018-11-23 | 浙江好得电气有限公司 | A kind of integrated air-valve control unit and air-valve control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20151129 |