CN108791257A - 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
- CN108791257A CN108791257A CN201810811244.6A CN201810811244A CN108791257A CN 108791257 A CN108791257 A CN 108791257A CN 201810811244 A CN201810811244 A CN 201810811244A CN 108791257 A CN108791257 A CN 108791257A
- Authority
- CN
- China
- Prior art keywords
- vacuum
- relay
- vacuum pump
- pin
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
- B60T13/46—Vacuum systems
- B60T13/52—Vacuum systems indirect, i.e. vacuum booster units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/72—Electrical control in fluid-pressure brake systems in vacuum systems or vacuum booster units
Abstract
The invention discloses a kind of electric vacuum pump control circuits of electronic cargo vehicle, further include the ignition switch being connected with power supply and entire car controller and the vacuum transducer being connected with entire car controller, the relay and vacuum pump controlled by relay including power supply；The quantity of the vacuum pump is 2, and two vacuum parallels connection of pumps are connected with relay again.Entire car controller obtains the vacuum degrees of data of vacuum tank by vacuum transducer, when the value of vacuum degree is more 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 circuit and is automatically controlled 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 ensure the braking ability of cargo vehicle, promotes safety and comfort.
Description
Technical field
The invention belongs to Control of Electric Vehicles fields, and in particular to a kind of electric vacuum pump control electricity of electronic cargo vehicle
Road.
Background technology
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 is vacuumized 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 parts.At present
Electronic vacuum pump discharge is mainly in 40L/min or so in the market；Design standard is by the 7-8 cuns of designs of passenger car brake.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.
Invention content
It is an object of the invention to：Passenger car brake 7-8 is pressed for the design standard of electronic vacuum pump currently on the market
Very little design cannot be satisfied the feelings that use of the 7+8 or 8+9 cun of compound vacuum booster drivers of lorry to the vacuum servo time
Condition proposes a kind of electric vacuum pump control circuit of electronic cargo vehicle.
The technical solution adopted by the present invention 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
The controller and vacuum transducer being connected with entire car controller, the relay and vacuum pump controlled by relay；It is described true
The quantity of sky pump is 2, and two vacuum parallels connection of pumps are connected with relay again.Entire car controller obtains vacuum by vacuum transducer
The vacuum degrees of data of tank, when the value of vacuum degree is more 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 circuit and automatically controlled 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 ensure 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 Vin pins of the Vout pins of empty sensor M1, M1 are connected to power supply, GND pins 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 accumulator, and ignition switch is provided between accumulator and the first pin of relay
K1 does not allow relay to charge in real time with the connection of ignition switch k1 deenergizations and other component, can save the use of circuit
Electricity, and can prolong the service life, reduce use cost.
Preferably, No. 1 pin of the relay and accumulator centre, which are equipped with protective tube F2, F2, can protect vacuum pump place
Branch, avoid overcurrent from causing to damage to vacuum pump.
Preferably, No. 1 of the entire car controller, which is provided with protective tube F1, F1, between pin and accumulator 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 invention are as follows：
1, in the present invention, entire car controller obtains the vacuum degrees of data of vacuum tank by vacuum transducer, when vacuum degree
When value is more than the maximum value of the working range of vacuum degree, control relay allows two vacuum pumps to start simultaneously at work, relay
Vacuum pump switch is automatically controlled in the presence of circuit is realized, the double flow of two vacuum pumps is completed to take out very with maximum rate
Sky allows the vacuum degree of vacuum tank to be filled with the shortest time, to ensure the braking ability of cargo vehicle, promoted safety and
Comfort.
2, in the present invention, it is provided with ignition switch k1 between accumulator and the first pin of relay, uses ignition switch
The connection of k1 deenergizations and other component, does not allow relay to charge in real time, and can save the electricity consumption of circuit and extend makes
With the service life, use cost is reduced.
3, protective tube F2, F2 are equipped in the present invention, among No. 1 pin and accumulator of relay can protect vacuum pump place
Branch, avoid overcurrent from causing to damage to vacuum pump.
4, in the present invention, No. 1 of entire car controller is provided with protective tube F1, F1 and can protect core between pin and accumulator
Piece avoids the excessive damage chip of the electric current of chip.
Description of the drawings
Fig. 1 is the vacuum pump control circuit of the present invention；
Fig. 2 is the composed structure schematic block diagram of the vacuum braking system of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
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 parallel connection of pumps is connected with relay again.Entire car controller obtains the vacuum degrees of data of vacuum tank by vacuum transducer, when
When the value of vacuum degree is more 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 circuit and is automatically controlled 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 ensure 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 Vin pins of the Vout pins of vacuum transducer M1, M1 are connected to power supply, GND pins 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 accumulator of relay
Protective tube F1 is provided between foot and accumulator.Power supply is accumulator, is arranged between accumulator 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 not allow relay real-time with the connection of ignition switch k1 deenergizations and relay
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, which gets on the bus, is inserted into car key igniting
It closes, allows accumulator to be connected to conduction with control circuit, vacuum transducer can obtain the vacuum degrees of data of vacuum tank, if vacuum degree is small
Relay is then controlled 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 more than -80kpa, vehicle control unit controls after
Electric appliance disconnects the connection of vacuum tank.Control circuit realizes the real time monitoring and benefit to braking system vacuum degree after automobile starting
It repays, the vacuum degree of vacuum tank is allowed to be maintained between -40kpa to -80kpa.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
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 by relay control
The vacuum pump of system；The quantity of the vacuum pump is 2, and two vacuum parallels connection of pumps 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 pins of vacuum transducer M1, M1
Vin pins be connected to power supply, GND pins ground connection；No. 4 pins are connected to the third pin of relay, and the of the relay
Four pins are grounded, and the first pin is 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 accumulator, ignition switch k1 is provided between accumulator 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 accumulator 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 accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810811244.6A CN108791257A (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 |
|---|---|---|---|
| CN201810811244.6A CN108791257A (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 |
|---|---|
| CN108791257A true CN108791257A (en) | 2018-11-13 |
Family
ID=64077727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810811244.6A Pending CN108791257A (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) | CN108791257A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114940152A (en) * | 2022-06-30 | 2022-08-26 | 章鱼博士智能技术(上海)有限公司 | Automobile braking system control method and device based on double vacuum pumps |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101927761A (en) * | 2010-09-29 | 2010-12-29 | 重庆长安汽车股份有限公司 | Vacuum boosting braking system for pure electric vehicle and control method |
| CN101973264A (en) * | 2010-10-18 | 2011-02-16 | 浙江吉利汽车研究院有限公司 | Electric vacuum pump control circuit of electric vehicle |
| CN202728206U (en) * | 2012-08-16 | 2013-02-13 | 安徽江淮汽车股份有限公司 | Vacuum servo brake controller used in electric automobile |
| CN202966283U (en) * | 2012-11-20 | 2013-06-05 | 纽贝耳汽车(杭州)有限公司 | Vacuum pump system, booster brake system and electric automobile |
| CN206307025U (en) * | 2016-12-15 | 2017-07-07 | 安徽安凯汽车股份有限公司 | A kind of pure electric coach vacuum-assisted brake control device |
| CN207015334U (en) * | 2017-07-28 | 2018-02-16 | 科力远混合动力技术有限公司 | For hybrid vehicle and the electric vacuum pump control circuit of electric automobile |
| CN208760596U (en) * | 2018-07-23 | 2019-04-19 | 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 CN201810811244.6A patent/CN108791257A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101927761A (en) * | 2010-09-29 | 2010-12-29 | 重庆长安汽车股份有限公司 | Vacuum boosting braking system for pure electric vehicle and control method |
| CN101973264A (en) * | 2010-10-18 | 2011-02-16 | 浙江吉利汽车研究院有限公司 | Electric vacuum pump control circuit of electric vehicle |
| CN202728206U (en) * | 2012-08-16 | 2013-02-13 | 安徽江淮汽车股份有限公司 | Vacuum servo brake controller used in electric automobile |
| CN202966283U (en) * | 2012-11-20 | 2013-06-05 | 纽贝耳汽车(杭州)有限公司 | Vacuum pump system, booster brake system and electric automobile |
| CN206307025U (en) * | 2016-12-15 | 2017-07-07 | 安徽安凯汽车股份有限公司 | A kind of pure electric coach vacuum-assisted brake control device |
| CN207015334U (en) * | 2017-07-28 | 2018-02-16 | 科力远混合动力技术有限公司 | For hybrid vehicle and the electric vacuum pump control circuit of electric automobile |
| CN208760596U (en) * | 2018-07-23 | 2019-04-19 | 四川江淮汽车有限公司 | A kind of electric vacuum pump control circuit of electronic cargo vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114940152A (en) * | 2022-06-30 | 2022-08-26 | 章鱼博士智能技术(上海)有限公司 | Automobile braking system control method and device based on double vacuum pumps |
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