CN210554734U - Electronic parking control system - Google Patents
Electronic parking control system Download PDFInfo
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- CN210554734U CN210554734U CN201921715553.XU CN201921715553U CN210554734U CN 210554734 U CN210554734 U CN 210554734U CN 201921715553 U CN201921715553 U CN 201921715553U CN 210554734 U CN210554734 U CN 210554734U
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Abstract
The utility model discloses an electronic parking control system, which comprises a P-stop switch, a CAN slave stack module, an instrument, a hand brake control relay, a hand brake release switch, a hand brake air cylinder, an ASR valve, a relay valve, a hand brake sensor and a brake air chamber; p keeps off switch and CAN from a stack module electric connection, stack module electric connection is followed with the CAN to the instrument, stack module and hand braking control relay electric connection are followed to the CAN, ASR valve and hand braking remove switch and hand braking control relay electric connection, the relay valve is connected with ASR valve gas circuit, hand braking sensor and CAN are followed a stack module electricity type and are connected, hand braking sensor and relay valve threaded connection, brake chamber and hand braking sensor gas circuit connection. The utility model has the advantages that: and circuit control is introduced, so that the air path arrangement part in a driving area is cancelled, and the arrangement length of the air path can be reduced.
Description
Technical Field
The utility model relates to a control system specifically is an electron parking control system, belongs to parking control application technical field.
Background
In the passenger train molding design process, parking brake is as the necessary function of vehicle, and the vehicle generally uses the parking brake function of pure gas circuit control now, installs hand brake switch in the driver's cabin, because of each aspect requirement such as pipe arrangement, great to installation space's demand, the phenomenon is rolled over to the pipeline also appears easily, consequently provides a novel electron parking control mode, can cancel the needs that driver's cabin parking gas circuit arranged, more reasonable driver's cabin overall arrangement and gas piping are arranged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electron parking control mode, the parking braking that this electron parking control mode can solve pure gas circuit control occupy the problem that great driver's area space and gas pipeline are discounted.
The purpose of the utility model can be realized by the following technical scheme: an electronic parking control system comprises a P-gear switch, a CAN slave stack module, an instrument, a hand brake control relay, a hand brake release switch, a hand brake air cylinder, an ASR valve, a relay valve, a hand brake sensor and a brake air chamber;
p keeps off switch and CAN from a stack module electric connection, instrument and CAN are from a stack module electric connection, CAN is from a stack module and hand braking control relay electric connection, ASR valve and hand braking remove switch and hand braking control relay electric connection, relay valve and ASR valve gas circuit are connected, hand braking sensor and CAN are connected from a stack module electricity type, hand braking sensor and relay valve threaded connection
Preferably, the P-gear switch is used for a single-gear reset switch.
Preferably, the CAN slave stack module is used for receiving signals, outputting power and CAN communication.
Preferably, the ASR valve is in communication connection with an external control circuit, and the ASR valve is used for switching on the air path when the power is on and switching off the air path when the power is off.
Preferably, the hand brake sensor is used for detecting the on-off of air pressure of an air path and transmitting a hand brake working signal.
Compared with the prior art, the beneficial effects of the utility model are that:
1. for a pure air path control parking system, the origin of the hand braking air cylinder is led to a driving area through an air path and passes through a parking braking switch, then an air source is led to a relay valve from the parking braking switch through the air path, the relay valve is controlled to be switched on and off, and then the origin switching-on and switching-off of the hand braking air cylinder to a braking air chamber are controlled, so that parking braking and contact are realized. After the circuit control is introduced, the ASR valve replaces a parking brake switch, and can be arranged below the chassis and close to the hand brake air storage cylinder due to small size of the ASR valve; the circuit control replaces air circuit control, and air management from a hand braking air storage cylinder to a parking braking switch of a driving area and from the parking braking switch to a relay valve is cancelled; the P-gear switch replaces a parking brake switch, circuit control is introduced, a gas circuit arrangement part in a driving area is omitted, the arrangement length of a gas circuit can be reduced, and the space is utilized more reasonably.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. a P-gear switch; 2. a CAN slave stack module; 3. a meter; 4. a hand brake control relay; 5. a hand brake release switch; 6. the air cylinder is manually braked; 7. an ASR valve; 8. a relay valve; 9. a hand brake sensor; 10. a brake chamber.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, an electronic parking control system includes a P-gear switch 1, a CAN slave stack module 2, an instrument 3, a hand brake control relay 4, a hand brake release switch 5, a hand brake air cylinder 6, an ASR valve 7, a relay valve 8, a hand brake sensor 9, and a brake air chamber 10;
p keeps off switch 1 and CAN from stacking module 2 electric connection, 2 electric connection from stacking module are followed to instrument 3 and CAN, stack module 2 and hand braking control relay 4 electric connection are followed to the CAN, switch 5 and hand braking control relay 4 electric connection are relieved with the hand braking to ASR valve 7, relay valve 8 and ASR valve 7 gas circuit connection, hand braking sensor 9 and CAN are followed stacking module 2 electric connection, hand braking sensor 9 and relay valve 8 threaded connection, brake chamber 10 and relay valve 8 gas circuit connection.
The P-gear switch 1 is a single-gear reset switch, has a CAN communication function, communicates with the CAN slave stack module 2 through a CAN line, and transmits a parking brake working and releasing signal.
The CAN slave stack module 2 outputs power through an output pin when receiving a parking brake working signal sent by the P-gear switch 1, and disconnects the output pin to output power when receiving a parking brake release signal sent by the P-gear switch 1.
And the hand braking control relay 4 controls the power supply of the control end of the ASR valve 7 to be switched on when the CAN outputs power from the stack module 2, and controls the power supply of the control end of the ASR valve 7 to be switched off when the CAN outputs power from the stack module 2.
When the power supply of the control end of the ASR valve 7 is switched on, the port 1 of the air path on the ASR valve is switched on with the port 2 of the air path, so that the air pressure output by the hand braking air cylinder 6 is transmitted to the port 2 of the air path of the relay valve 8.
When the air passage 2 of the relay valve 8 is ventilated, the air passage 1 of the relay valve 8 is controlled to be communicated with the air passage 2, so that the air pressure output from the hand braking air cylinder is transmitted to the braking air chamber 10.
When air pressure is input into the brake air chamber 10, the spring brake pressure is released, and parking brake release is realized.
When the air passage 1 of the relay valve 8 is disconnected with the air passage 2, the brake air chamber 10 is in a parking brake working state, the hand brake sensor 9 detects that the air pressure is low, and a parking brake working signal is input to the CAN slave stack module.
The CAN slave stack module 2 receives a parking brake working signal input by the hand brake sensor 9, and sends the information to the instrument 3 through a CAN line.
The parking brake working information sent by the CAN slave stack module 2 is received by the instrument 3, and a parking brake working indicator lamp is lightened on a display screen of the instrument 3.
When the air passage 1 port and the air passage 2 port of the relay valve 8 are communicated, the parking brake is released, the signal of the hand brake sensor 9 is disconnected, and when the CAN slave stack module 2 does not receive the input signal of the hand brake sensor 9, the information is sent to the instrument 3, and the parking brake work indicator lamp is turned off.
The hand brake release switch 5 is a single-shift non-resettable switch that is normally disabled to temporarily release the parking brake for towing when the circuit fails.
In order to warn a driver of the abnormal working state of parking brake, when the CAN slave stack module 2 detects signals of the output interface and the input interface at the same time, the CAN slave stack module judges that the hand brake works abnormally, sends the information to the instrument 3, and the instrument 3 displays the alarm of the abnormal hand brake on a display screen.
When the CAN slave stack module 2 detects that the output interface and the input interface have no signals, the working abnormality of the hand brake is judged, information is sent to the instrument 3, and the instrument 3 displays the alarm of the working abnormality of the hand brake on a display screen.
The utility model discloses when practical, parking braking: the P-gear switch 1 is pressed down, information is sent to the CAN slave stack module 2 through a CAN line, when the CAN slave stack module 2 receives a parking braking signal sent by the P-gear switch 1, a power output port is disconnected from power output, the manual braking control relay 4 is controlled to be disconnected, after the manual braking control relay 4 is disconnected, the power cannot be transmitted to the ASR valve 7, the control end of the ASR valve 7 is disconnected, the opening 1 and the opening 2 of an air path of the ASR valve are controlled to be disconnected, so that an air source of the manual braking air cylinder 6 cannot be transmitted to the opening 4 of the relay valve 8 through the air path through the ASR valve 7, the opening 4 of the relay valve 8 is a control end, when no air path is input into the opening 4, the opening 1 and the opening 2 of the relay valve 8 are disconnected, so that the air source of the manual braking air cylinder 6 cannot be transmitted to the braking air chamber 10 through the relay valve 8 through the air; when 1 port and 2 ports of relay valve 8 are disconnected, hand brake sensor 9 CAN not detect the atmospheric pressure, CAN transmit CAN from stack module 2 signal of telecommunication, and CAN detects from stack module 2 that hand brake signal is imported, judges parking brake work, transmits information to instrument 3 through the CAN line, and instrument 3 lights parking brake pilot lamp after receiving the signal.
Releasing the parking brake: the method comprises the following steps that a P-gear switch 1 is pressed down, information is sent to a CAN slave stack module 2 through a CAN line, when the CAN slave stack module 2 receives a parking brake releasing signal sent by the P-gear switch 1, a power supply output port outputs a power supply to control a hand brake control relay 4 to be switched on, after the hand brake control relay 4 is switched on, the power supply is transmitted to an ASR valve 7, a control end of the ASR valve 7 is switched on to control a port 1 and a port 2 of an ASR valve air path to be switched on, so that an air source of a hand brake air cylinder 6 is transmitted to a port 4 of a relay valve 8 through the ASR valve 7 through an air path, the port 4 of the relay valve 8 is a control end, when the port 4 has an air path input, the port 1 of the relay valve 8 is switched on with the port 2, so that the air source of the hand brake air cylinder 6 is transmitted to a brake air; when the port 1 and the port 2 of the relay valve 8 are connected, the hand brake sensor 9 detects air pressure, an electric signal transmitted to the CAN slave stack module 2 is disconnected, the CAN slave stack module 2 judges that hand braking is released when detecting that no hand brake signal is input, information is transmitted to the instrument 3 through a CAN line, and the parking brake indicator lamp is turned off after the instrument 3 receives the signal.
Temporarily releasing the parking brake: in order to prevent the vehicle from being anchored, the CAN slave stack module does not work, the parking brake is always in a working state and cannot be pulled, a hand brake release switch 5 is added, the hand brake release switch 5 is switched on, the power supply is transmitted to an ASR valve 7, the control end of the ASR valve 7 is switched on, the switching on of a port 1 and a port 2 of an air path of the ASR valve is controlled, an air source of a hand brake air cylinder 6 is transmitted to a port 4 of a relay valve 8 through the ASR valve 7 through an air path, the port 4 of the relay valve 8 is a control end, when the air path is input into the port 4, the port 1 and the port 2 of the relay valve 8 are switched on, the air source of the hand brake air cylinder 6 is transmitted to a brake air chamber 10 through the relay valve 8 through the air path, and the; the use of the hand brake release switch 5 is therefore prohibited in the case of the entire vehicle.
And (4) alarming by an instrument: as CAN be seen from the above description, when the CAN slave stack module 2 outputs power, the CAN slave stack module does not receive a parking brake signal in order to release the parking brake; when the output power supply of the CAN slave stack module 2 is disconnected, the parking brake is performed, and the CAN slave stack module receives a parking brake signal; the output power supply and the input signal are in a reverse state, so that the CAN slave stack module 2 CAN judge whether the parking brake is abnormal when detecting that the output interface and the input interface have signals or the CAN slave stack module 2 detects that the output interface and the input interface have no signals, the information is transmitted to the instrument 3 through a CAN line, and the instrument 3 CAN display the alarm of the parking brake working abnormity.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. An electronic parking control system is characterized by comprising a P-gear switch (1), a CAN slave stack module (2), an instrument (3), a hand brake control relay (4), a hand brake release switch (5), a hand brake air cylinder (6), an ASR valve (7), a relay valve (8), a hand brake sensor (9) and a brake air chamber (10); p keeps off switch (1) and CAN from stack module (2) electric connection, instrument (3) and CAN follow stack module (2) electric connection, CAN follows stack module (2) and hand braking control relay (4) electric connection, CAN is from stack module (2) and hand braking release switch (5) electric connection, ASR valve (7) and hand braking release switch (5) and hand braking control relay (4) electric connection, relay valve (8) and ASR valve (7) gas circuit connection, hand braking sensor (9) and CAN follow stack module (2) electric connection, hand braking sensor (9) and relay valve (8) threaded connection, brake chamber (10) and relay valve (8) gas circuit connection.
2. An electronic parking control system according to claim 1, characterized in that the P-range switch (1) is used as a single-range reset switch.
3. An electronic parking control system according to claim 1, characterised in that the CAN slave stack module (2) is arranged to receive signals, output power and CAN communication.
4. An electronic parking control system according to claim 1, characterised in that the ASR valve (7) is communicatively connected to an external control circuit, the ASR valve (7) being adapted to switch the air circuit on and off electrically.
5. The electronic parking control system according to claim 1, wherein the hand brake sensor (9) is used for detecting air pressure on/off of an air passage and transmitting a hand brake working signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921715553.XU CN210554734U (en) | 2019-10-14 | 2019-10-14 | Electronic parking control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921715553.XU CN210554734U (en) | 2019-10-14 | 2019-10-14 | Electronic parking control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210554734U true CN210554734U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921715553.XU Active CN210554734U (en) | 2019-10-14 | 2019-10-14 | Electronic parking control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112849114A (en) * | 2021-03-31 | 2021-05-28 | 东风汽车股份有限公司 | Electronic parking system |
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2019
- 2019-10-14 CN CN201921715553.XU patent/CN210554734U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112849114A (en) * | 2021-03-31 | 2021-05-28 | 东风汽车股份有限公司 | Electronic parking system |
| CN112849114B (en) * | 2021-03-31 | 2022-04-29 | 东风汽车股份有限公司 | Electronic parking system |
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