CN208760596U - A kind of electric vacuum pump control circuit of electronic cargo vehicle - Google Patents
A kind of electric vacuum pump control circuit of electronic cargo vehicle Download PDFInfo
- Publication number
- CN208760596U CN208760596U CN201821165183.2U CN201821165183U CN208760596U CN 208760596 U CN208760596 U CN 208760596U CN 201821165183 U CN201821165183 U CN 201821165183U CN 208760596 U CN208760596 U CN 208760596U
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- vacuum
- vacuum pump
- relay
- pin
- power supply
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- Valves And Accessory Devices For Braking Systems (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of electric vacuum pump control circuits of electronic cargo vehicle, it further include the ignition switch being connected with power supply and entire car controller and the vacuum transducer being connected with entire car controller, relay and the vacuum pump controlled by relay including power supply；The quantity of the vacuum pump is 2, and two vacuum pump parallel connections are connected with relay again.Entire car controller obtains the vacuum degree data of vacuum tank by vacuum transducer, when the value of vacuum degree is greater than the maximum value of the working range of vacuum degree, control relay allows two vacuum pumps to start simultaneously at work, the presence of relay realizes automatic control of the circuit to vacuum pump switch, the double flow of two vacuum pumps is completed to vacuumize with maximum rate, it allows the vacuum degree of vacuum tank to be filled with the shortest time, to guarantee the braking ability of cargo vehicle, promotes safety and comfort.
Description
Technical field
The utility model belongs to Control of Electric Vehicles field, and in particular to a kind of electric vacuum pump control of electronic cargo vehicle
Circuit processed.
Background technique
The current braking model of pure electric vehicle pickup truck is divided into two kinds: A, hydraulic braking；B, air-pressure brake.Pure electric vehicle is light-duty
Lorry brake fluid system vacuum servo depends on electronic vacuum pump and vacuumizes to brake, to obtain
The effect of brake boost.
Pure electric vehicle lorry development time is shorter, and braking system main parts size borrows riding bassinet structure and components.At present
Electronic vacuum pump discharge is mainly in 40L/min or so in the market；Design standard is by passenger car brake 7-8 cuns of designs.It can not expire
Requirement of the sufficient lorry 7+8 or 8+9 cuns of compound vacuum booster drivers to the vacuum servo time.
Utility model content
The purpose of this utility model is that: passenger car brake is pressed for the design standard of electronic vacuum pump currently on the market
7-8 cuns of designs are unable to satisfy 7+8 or 8+9 cun of uses of the compound vacuum booster driver to the vacuum servo time of lorry
The case where, propose a kind of electric vacuum pump control circuit of electronic cargo vehicle.
The technical solution adopted in the utility model is as follows:
A kind of electric vacuum pump control circuit of electronic cargo vehicle, including power supply, further include the vehicle being connected with power supply
Controller and the vacuum transducer being connected with entire car controller, relay and the vacuum pump controlled by relay；It is described true
The quantity of sky pump is 2, and two vacuum pump parallel connections are connected with relay again.Entire car controller obtains vacuum by vacuum transducer
The vacuum degree data of tank, when the value of vacuum degree is greater than the maximum value of the working range of vacuum degree, control relay allow two it is true
Sky pump starts simultaneously at work, and the presence of relay realizes automatic control of the circuit to vacuum pump switch, pair of two vacuum pumps
Times flow is completed to vacuumize with maximum rate, allows the vacuum degree of vacuum tank to be filled with the shortest time, to guarantee loading
The braking ability of automobile promotes safety and comfort.
Preferably, No. 1 pin of the entire car controller is connected with power supply, and No. 2 pin ground connection, No. 3 pins are connected to very
The Vout pin of empty sensor M1, the Vin pin of M1 are connected to power supply, GND pin ground connection；No. 4 pins are connected to relay
Third pin, the 4th pin ground connection of the relay, the first pin are connected to power supply, and the second pin connects the anode of vacuum pump,
The cathode of vacuum pump is grounded.
Preferably, the power supply is battery, is provided with ignition switch between battery and the first pin of relay
K1 disconnects the connection of power supply and other component with ignition switch k1, does not allow relay to charge in real time, can save the use of circuit
Electricity, and can prolong the service life, reduce use cost.
Preferably, it is equipped with protective tube F2 among No. 1 pin of the relay and battery, F2 can be protected where vacuum pump
Branch, avoid overcurrent from causing to damage to vacuum pump.
Preferably, No. 1 of the entire car controller is provided with protective tube F1 between pin and battery, and F1 can protect core
Piece avoids the excessive damage chip of the electric current of chip.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1, in the utility model, entire car controller obtains the vacuum degree data of vacuum tank by vacuum transducer, works as vacuum
When the value of degree is greater than the maximum value of the working range of vacuum degree, control relay allows two vacuum pumps to start simultaneously at work, relay
The presence of device realizes automatic control of the circuit to vacuum pump switch, and the double flow of two vacuum pumps is completed with maximum rate
It vacuumizes, allows the vacuum degree of vacuum tank to be filled with the shortest time, to guarantee the braking ability of cargo vehicle, promote safety
Property and comfort.
2, in the utility model, it is provided with ignition switch k1 between battery and the first pin of relay, with igniting
Switch k1 disconnects the connection of power supply and other component, does not allow relay to charge in real time, can save the electricity consumption of circuit and extend
Service life reduces use cost.
3, in the utility model, protective tube F2 is equipped among No. 1 pin and battery of relay, F2 can protect vacuum pump
The branch at place, avoids overcurrent from causing to damage to vacuum pump.
4, in the utility model, No. 1 of entire car controller is provided with protective tube F1 between pin and battery, and F1 can be protected
Chip avoids the excessive damage chip of the electric current of chip.
Detailed description of the invention
Fig. 1 is the vacuum pump control circuit of the utility model；
Fig. 2 is the composed structure schematic block diagram of the vacuum braking system of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
As shown in Fig. 2, a kind of electric vacuum pump control circuit of electronic cargo vehicle, including power supply, further include and power supply
Connected ignition switch and entire car controller and the vacuum transducer being connected with entire car controller, relay and pass through relay
The flow of control is the vacuum pump of 60L/min, the model JAC_V1 of entire car controller；The quantity of the vacuum pump is 2, and two
A vacuum pump parallel connection is connected with relay again.Entire car controller obtains the vacuum degree data of vacuum tank by vacuum transducer, when
When the value of vacuum degree is greater than the maximum value of the working range of vacuum degree, control relay allows two vacuum pumps to start simultaneously at work,
The presence of relay realizes automatic control of the circuit to vacuum pump switch, the maximum rate of double flow of two vacuum pumps
Completion vacuumizes, and allows the vacuum degree of vacuum tank to be filled with the shortest time, to guarantee the braking ability of cargo vehicle, is promoted
Safety and comfort.
As shown in Figure 1, No. 1 pin of the entire car controller is connected with power supply, No. 2 pin ground connection, No. 3 pins are connected to
The Vout pin of vacuum transducer M1, the Vin pin of M1 are connected to power supply, GND pin ground connection；No. 4 pins are connected to relay
Third pin, the 4th pin ground connection of the relay, the first pin is connected to power supply, and the second pin is connecting vacuum pump just
Pole, the cathode ground connection of vacuum pump；Protective tube F2, No. 1 pipe of entire car controller are equipped among No. 1 pin and battery of relay
Protective tube F1 is provided between foot and battery.Power supply is battery, is arranged between battery and the first pin of relay
There is ignition switch k1；F2 can protect the branch where vacuum pump, and overcurrent is avoided to cause to damage to vacuum pump；F1 can protect chip,
The excessive damage chip of the electric current of chip is avoided, the connection of power supply and relay is disconnected with ignition switch k1, does not allow relay real-time
Electrification, the electricity consumption that can save circuit are avoided that relay due to charging in real time and the case where mis-ignition again, moreover it is possible to extend circuit
The service life of device reduces use cost.Triggering ignition switch k1 is closed when driver gets on the bus insertion car key igniting
It closes, allows battery to be connected to conduction with control circuit, vacuum transducer can obtain the vacuum degree data of vacuum tank, if vacuum degree is small
It then controls relay in -40kpa to start to vacuumize work by vacuum pump energization, two vacuum pumps work at the same time, the stream vacuumized
Amount be 120L/min, rate be 1 vacuum pump when twice, until vacuum degree be greater than -80kpa, vehicle control unit controls after
The connection of electric appliance disconnection vacuum tank.Control circuit realizes the real time monitoring and benefit after automobile starting to braking system vacuum degree
It repays, the vacuum degree of vacuum tank is allowed to be maintained between -40kpa to -80kpa.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (5)
1. a kind of electric vacuum pump control circuit of electronic cargo vehicle, including power supply, it is characterised in that: further include and power supply phase
Ignition switch even and entire car controller and the vacuum transducer being connected with entire car controller, relay and pass through relay control
The vacuum pump of system；The quantity of the vacuum pump is 2, and two vacuum pump parallel connections are connected with relay again.
2. the electric vacuum pump control circuit of electronic cargo vehicle according to claim 1, it is characterised in that: the vehicle
No. 1 pin of controller is connected with power supply, and No. 2 pin ground connection, No. 3 pins are connected to the Vout pin of vacuum transducer M1, M1
Vin pin be connected to power supply, GND pin ground connection；No. 4 pins are connected to the third pin of relay, and the of the relay
Four pins ground connection, the first pin are connected to power supply, and the second pin connects the anode of vacuum pump, the cathode ground connection of vacuum pump.
3. the electric vacuum pump control circuit of electronic cargo vehicle according to claim 2, it is characterised in that: the power supply
For battery, ignition switch k1 is provided between battery and the first pin of relay.
4. the electric vacuum pump control circuit of electronic cargo vehicle according to claim 3, it is characterised in that: the relay
Protective tube F2 is equipped among No. 1 pin and battery of device.
5. the electric vacuum pump control circuit of electronic cargo vehicle according to claim 4, it is characterised in that: the vehicle
No. 1 of controller is provided with protective tube F1 between pin and battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821165183.2U CN208760596U (en) | 2018-07-23 | 2018-07-23 | A kind of electric vacuum pump control circuit of electronic cargo vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821165183.2U CN208760596U (en) | 2018-07-23 | 2018-07-23 | A kind of electric vacuum pump control circuit of electronic cargo vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208760596U true CN208760596U (en) | 2019-04-19 |
Family
ID=66129022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821165183.2U Active CN208760596U (en) | 2018-07-23 | 2018-07-23 | A kind of electric vacuum pump control circuit of electronic cargo vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208760596U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108791257A (en) * | 2018-07-23 | 2018-11-13 | 四川江淮汽车有限公司 | A kind of electric vacuum pump control circuit of electronic cargo vehicle |
-
2018
- 2018-07-23 CN CN201821165183.2U patent/CN208760596U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108791257A (en) * | 2018-07-23 | 2018-11-13 | 四川江淮汽车有限公司 | A kind of electric vacuum pump control circuit of electronic cargo vehicle |
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