CN206254938U - A kind of vehicle gas circuit Intelligent drainage water valve feedback control circuit - Google Patents
A kind of vehicle gas circuit Intelligent drainage water valve feedback control circuit Download PDFInfo
- Publication number
- CN206254938U CN206254938U CN201621309264.6U CN201621309264U CN206254938U CN 206254938 U CN206254938 U CN 206254938U CN 201621309264 U CN201621309264 U CN 201621309264U CN 206254938 U CN206254938 U CN 206254938U
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- China
- Prior art keywords
- draining
- circuit
- valve
- draining valve
- intersection
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- Withdrawn - After Issue
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Abstract
The utility model is related to a kind of vehicle gas circuit Intelligent drainage water valve feedback control circuit,Central processing element connects the controlled end of draining valve master control power supply and intelligent driver module by output port respectively,The output end of intelligent driver module connects positive control end and the negative electrode of diode of draining valve respectively,The plus earth of diode,The draining valve negative terminal common-battery position external with circuit,VDD,D1,R1,R2 and GND constitutes a low pressure low current loop,R2 is connected the positive control end of draining valve with the point of intersection of R1,The state of carrying out sampling,The point of intersection of R2 and R1 draws another electric wire by current-limiting resistance R3 to sampling processing module,Carry out following treatment,Sampling processing module is connected to the ADC pins of central processing element,Current-limiting resistance R3 is connected pressure limiting voltage-stabiliser tube Z1 to GND with the intersection of sampling processing module.
Description
Technical field
The utility model is related to a kind of vehicle gas circuit Intelligent drainage water valve feedback control circuit.
Background technology
Can be deposited in gas receiver by abundant dry moisture and condensed water in vehicle compressed air, cause gas storage
Cylinder volume reduces, or even corrosion is caused to gas equipment.Existing most of vehicle is by installed in the manual of gas receiver bottom
The regular draining of draining valve, in practical maintenance, substantial amounts of vehicle draining maintenance work cannot be guaranteed.
Engender within nearly 2 years that some self-draining arrangements substitute Manual draining valve, magnetic valve is in self-draining arrangement
Main draining execution unit, if the part does not have normal work and can not provide alarm, will cause the water in gas receiver to be got over
Product is more, and hidden danger is brought to the operation of vehicle, influences the performance of whole drainage system.
Utility model content
The purpose of this utility model is to provide a kind of vehicle gas circuit Intelligent drainage water valve feedback control circuit, center treatment core
Piece is according to travel condition of vehicle in suitable time control draining valve Auto-drainage, and real-time monitoring draining result and draining
The state of valve, realizes security control, the fault alarm of draining valve, so as to ensure the reliability of vehicle gas circuit draining.
A kind of vehicle gas circuit Intelligent drainage water valve feedback control circuit, central processing element passes through the output port row of connection respectively
The controlled end of water valve master control power supply and intelligent driver module, the output end of intelligent driver module connects the positive control end of draining valve respectively
With the negative electrode of diode, the plus earth of diode, external with circuit draining valve negative terminal common-battery position, VDD, D1, R1, R2 and
GND constitutes a low pressure low current loop, and R2 is connected the positive control end of draining valve with the point of intersection of R1, carries out state sampling, R2 and
The point of intersection of R1 draws another electric wire by current-limiting resistance R3 to sampling processing module, carries out following treatment, sampling processing mould
Block is connected to the ADC pins of central processing element, and current-limiting resistance R3 is connected pressure limiting voltage stabilizing with the intersection of sampling processing module
Pipe Z1 to GND.
Further, draining valve position sets water detection sensor；Central processing element has been drawn and water detection
The water detection circuit that sensor is electrically connected with.
Further, the draining valve is circuit external device, for performing draining.
Further, the draining valve master control power switching module is MOSFET circuits or relay.
A kind of vehicle gas circuit Intelligent drainage water valve feedback control circuit, central processing element passes through the output port row of connection respectively
The controlled end of water valve master control power supply and intelligent driver module, the output end of intelligent driver module connects the positive control end of draining valve respectively
With the negative electrode of diode, the plus earth of diode, external with circuit draining valve negative terminal common-battery position, VDD, D1, R1, R2 and
GND constitutes a low pressure low current loop, and R2 is connected the positive control end of draining valve with the point of intersection of R1, carries out state sampling, R2 and
The point of intersection of R1 draws another electric wire by current-limiting resistance R3 to sampling processing module, carries out following treatment, sampling processing mould
Block is connected to the ADC pins of central processing element, and current-limiting resistance R3 is connected pressure limiting voltage stabilizing with the intersection of sampling processing module
Pipe Z1 to GND；Draining valve position sets water detection sensor；Central processing element has been drawn and water detection sensor electricity
Property connection water detection circuit；The draining valve is circuit external device, for performing draining；The draining valve master control power supply
Switch module is MOSFET circuits or relay.
The utility model has the advantage of：Central processing element is according to travel condition of vehicle in suitable time control draining
Valve Auto-drainage, and real-time monitoring draining result and draining valve state, realize security control, the failure report of draining valve
It is alert, so as to ensure the reliability of vehicle gas circuit draining.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the utility model embodiment, below will be to make needed for embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present utility model, right
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings
His accompanying drawing.
Fig. 1 is the first vehicle gas circuit Intelligent drainage water valve feedback control circuit of the utility model；
Fig. 2 is second vehicle gas circuit Intelligent drainage water valve feedback control circuit of the utility model；
Fig. 3 is the draining valve fault diagnosis side of the first vehicle gas circuit Intelligent drainage water valve feedback control circuit of the utility model
Method flow chart；
Fig. 4 is second draining valve fault diagnosis side of vehicle gas circuit Intelligent drainage water valve feedback control circuit of the utility model
Method flow chart.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and implementation
Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only used to explain this
Utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or may be simultaneously present centering elements.When an element is known as " being connected to " another element, it can
To be directly to another element or may be simultaneously present centering elements.
Also, it should be noted that the orientation term such as left and right, upper and lower in the utility model embodiment, is only relative each other
Concept or be reference with the normal operating condition of product, and should not be regarded as restrictive.
The utility model embodiment one, as shown in figure 1, a kind of vehicle gas circuit Intelligent drainage water valve feedback control circuit, center
Process chip (U1) connects the controlled end of draining valve master control power supply (M2) and intelligent driver module (U2) by output port respectively,
The output end of intelligent driver module (U2) connects the positive control end Vcom of draining valve and the negative electrode of diode D2 respectively, and the anode of D2 connects
Ground, the draining valve V1 negative terminal common-battery position external with circuit, VDD, D1, R1, R2 and GND constitute a low pressure low current loop, R2
The positive control end Vcom of draining valve is connected with the point of intersection of R1, state sampling is carried out, the point of intersection of R2 and R1 draws another electric wire
Carry out following treatment by current-limiting resistance R3 to sampling processing module M3, sampling processing module M3 is connected to central processing element
ADC pins, current-limiting resistance R3 is connected pressure limiting voltage-stabiliser tube Z1 to GND with the intersection of sampling processing module M3.
Draining valve (V1) is circuit external device, for performing draining.
In circuit Vcom for multichannel draining valve public power, be vehicle provide supply voltage Vbb by a master control
Power supply after switch module (M2) control；VDD is the micro- electric system power supply of circuit board, and Vcom>VDD；Intelligent driver module (U2)
Built-in short-circuit protection circuit, when draining valve (V1) occurs shorted to earth, U2 built-in controlling switch Q1 can cut off rapidly, to keep away
Power-free shorted to earth, brings security risk.
Vcom power supplys are poured into the voltage limiting value and Vdd phases of light current power vd D, Z1 when wherein D1 is used to prevent draining valve from opening
Together, D2 is used for afterflow during draining valve breakdown.
The central processing element includes output control port, and draining valve master control power supply, and multichannel draining are controlled respectively
Valve, central processing element also comprising voltage ADC detect port, can according to collection magnitude of voltage be converted into corresponding valve state,
Water level signal value.
The draining valve master control power switching module uses MOSFET circuits or relay, the main power source that connection vehicle is provided
With draining valve common electrical source, master control power supply is closed when draining is not needed, can avoid because valve drive module is normally opened therefore
Risk is persistently vented caused by barrier.
The valve drive module comprise at least a controlled end, two power ends, one of power terminations power supply Vcom,
Another power terminations draining valve control end, and the module built in hardware short-circuit protection function, such as BTS724G.
The utility model embodiment two, as shown in Fig. 2 compared with Example 1, water detection biography is increased at draining valve V1
Sensor S1 (it is equally that circuit is external)；Meanwhile, central processing element (U1) has been drawn and has electrically been connected with water detection sensor S1
The water detection circuit M1 for connecing, ponding signal is converted to voltage signal and feeds back to central processing element by it, it can be determined that draining
Whether valve leads to not draining because of mechanical breakdown.
The utility model embodiment three, as shown in figure 3, a kind of vehicle gas circuit Intelligent drainage water valve control based on embodiment one
The draining valve fault diagnosis and the basic procedure of control of feedback circuit.Central processing element (U1) is in real time according to the control of draining valve
Signal Cntrl and the draining valve feedback voltage Uadc for monitoring carry out comprehensive descision, if Cntrl=1 (draining control is opened), and
Uadc=0V, then be judged as draining valve shorted to earth；If Cntrl=1, and Uadc=Vdd, then it is judged as that draining valve is normal；If
Cntrl=0 (draining control close), and Uadc=Uopen (Uopen is in Vdd → D1 → R1 → R2 → GND loops on R2
Branch pressure voltage), then it is judged as that draining valve is opened a way；If Cntrl=0, and Uadc=Vdd, then it is judged as draining valve to positive source
Short circuit.There is to be cut off immediately during shorted to earth output to avoid fire risk in draining valve；Draining valve is cut when occurring to power supply short circuit
Draining valve master control power supply break to avoid lasting gas consumption.
The utility model example IV, as shown in figure 4, a kind of vehicle gas circuit Intelligent drainage water valve control based on embodiment two
The draining valve fault diagnosis and the basic procedure of control of feedback circuit.Compared with embodiment three, if Cntrl=1, and Uadc=
Vdd, then judge that the electrical characteristic of draining valve is normal, now determines whether, during draining is controlled, if the time of draining
The threshold limit value of setting is reached, and is detected ponding and is still existed, then judge that draining valve occurs mechanical breakdown, it is impossible to normal row
Water.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Any modification, equivalent or improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (5)
1. a kind of vehicle gas circuit Intelligent drainage water valve feedback control circuit, it is characterised in that central processing element passes through output port
The controlled end of draining valve master control power supply and intelligent driver module is connected respectively, and the output end of intelligent driver module connects draining respectively
The positive control end of valve and the negative electrode of diode, the plus earth of diode, the draining valve negative terminal common-battery position external with circuit, VDD,
D1, R1, R2 and GND constitute a low pressure low current loop, and R2 is connected the positive control end of draining valve with the point of intersection of R1, carries out state
Sampling, the point of intersection of R2 and R1 draws another electric wire by current-limiting resistance R3 to sampling processing module, carries out following treatment, adopts
Sample processing module is connected to the ADC pins of central processing element, and current-limiting resistance R3 is connected with the intersection of sampling processing module
Pressure limiting voltage-stabiliser tube Z1 to GND.
2. a kind of vehicle gas circuit Intelligent drainage water valve feedback control circuit according to claim 1, it is characterised in that draining valve
Water detection sensor is set at position；Central processing element has drawn the water detection being electrically connected with water detection sensor
Circuit.
3. a kind of vehicle gas circuit Intelligent drainage water valve feedback control circuit according to claim 1, it is characterised in that the row
Water valve is circuit external device, for performing draining.
4. a kind of vehicle gas circuit Intelligent drainage water valve feedback control circuit according to claim 1, it is characterised in that the row
Water valve master control power switching module is MOSFET circuits or relay.
5. a kind of vehicle gas circuit Intelligent drainage water valve feedback control circuit, it is characterised in that central processing element passes through output port
The controlled end of draining valve master control power supply and intelligent driver module is connected respectively, and the output end of intelligent driver module connects draining respectively
The positive control end of valve and the negative electrode of diode, the plus earth of diode, the draining valve negative terminal common-battery position external with circuit, VDD,
D1, R1, R2 and GND constitute a low pressure low current loop, and R2 is connected the positive control end of draining valve with the point of intersection of R1, carries out state
Sampling, the point of intersection of R2 and R1 draws another electric wire by current-limiting resistance R3 to sampling processing module, carries out following treatment, adopts
Sample processing module is connected to the ADC pins of central processing element, and current-limiting resistance R3 is connected with the intersection of sampling processing module
Pressure limiting voltage-stabiliser tube Z1 to GND；Draining valve position sets water detection sensor；Central processing element has been drawn and water detection
The water detection circuit that sensor is electrically connected with；The draining valve is circuit external device, for performing draining；The draining valve
Master control power switching module is MOSFET circuits or relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621309264.6U CN206254938U (en) | 2016-12-01 | 2016-12-01 | A kind of vehicle gas circuit Intelligent drainage water valve feedback control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621309264.6U CN206254938U (en) | 2016-12-01 | 2016-12-01 | A kind of vehicle gas circuit Intelligent drainage water valve feedback control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206254938U true CN206254938U (en) | 2017-06-16 |
Family
ID=59026708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621309264.6U Withdrawn - After Issue CN206254938U (en) | 2016-12-01 | 2016-12-01 | A kind of vehicle gas circuit Intelligent drainage water valve feedback control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206254938U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740570A (en) * | 2016-12-01 | 2017-05-31 | 深圳市知行智驱技术有限公司 | A kind of vehicle gas circuit Intelligent drainage water valve feedback control circuit and draining valve method for diagnosing faults |
| CN112141070A (en) * | 2020-09-16 | 2020-12-29 | 合肥锐智科技有限责任公司 | Automatic drainage loop detection system of gas receiver |
-
2016
- 2016-12-01 CN CN201621309264.6U patent/CN206254938U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740570A (en) * | 2016-12-01 | 2017-05-31 | 深圳市知行智驱技术有限公司 | A kind of vehicle gas circuit Intelligent drainage water valve feedback control circuit and draining valve method for diagnosing faults |
| CN106740570B (en) * | 2016-12-01 | 2023-04-14 | 深圳市知行智驱技术有限公司 | Control feedback circuit of intelligent drain valve of vehicle gas circuit and fault diagnosis method of drain valve |
| CN112141070A (en) * | 2020-09-16 | 2020-12-29 | 合肥锐智科技有限责任公司 | Automatic drainage loop detection system of gas receiver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170616 Effective date of abandoning: 20230414 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170616 Effective date of abandoning: 20230414 |