CN206841415U - Vacuum automobile apparatus for controlling pump and automobile - Google Patents
Vacuum automobile apparatus for controlling pump and automobile Download PDFInfo
- Publication number
- CN206841415U CN206841415U CN201720607172.4U CN201720607172U CN206841415U CN 206841415 U CN206841415 U CN 206841415U CN 201720607172 U CN201720607172 U CN 201720607172U CN 206841415 U CN206841415 U CN 206841415U
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- Prior art keywords
- vacuum
- automobile
- controller
- vavuum pump
- pump
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- 238000004891 communication Methods 0.000 claims description 9
- 239000011888 foil Substances 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The utility model discloses a kind of vacuum automobile apparatus for controlling pump and automobile.Vacuum automobile apparatus for controlling pump includes vavuum pump；Vacuum booster is connected with vavuum pump；Vacuum transducer is arranged in vacuum booster；For detecting the baroceptor of atmospheric pressure value, baroceptor is arranged on the air inlet of automobile engine；Timer；The controller of vavuum pump start and stop is controlled according to vacuum, atmospheric pressure value, run time, the first input end of controller and the signal output part of baroceptor communicate to connect, second input of controller and the signal output part of vacuum transducer communicate to connect, 3rd input of controller and the signal output part of timer communicate to connect, and the output end of controller and the control signal of vavuum pump communicate to connect.Vacuum automobile apparatus for controlling pump and automobile provided by the utility model, the accuracy of control is improved, the degree of wear of vavuum pump is reduced, extends the service life of vavuum pump, reduce noise.
Description
Technical field
It the utility model is related to automobile brake control technology field, more particularly to a kind of vacuum automobile apparatus for controlling pump and vapour
Car.
Background technology
Automobile vacuum pump is connected with vacuum booster, for the air in aspiration vacuum booster, improves vacuum servo
The vacuum of device, according to the principle of vacuum booster, vacuum levels are higher, and power-assisted is bigger, brake force during brake pedal
It is bigger., whereas if vacuum levels deficiency in vacuum booster, then can not provide enough power-assisteds, show as stepping on braking
Brake force is smaller during pedal, it is impossible to ensures braking ability.
In the prior art, the opening and closing of automobile vacuum pump are typically controlled by controlled vehicle-mounted electrical unit, controlled vehicle-mounted electrical
The keying of unit control automobile vacuum pump is divided into two kinds of opened loop control and closed-loop control.Above two control mode is present
Deficiency：First, for opened loop control, controlled vehicle-mounted electrical unit directly controls the opening and closing of vavuum pump, control according to braking conditions
Poor accuracy processed；Second, for closed-loop control, controlled vehicle-mounted electrical unit is according to the vacuum degree control vavuum pump in vacuum booster
Open and close, when the vacuum in vacuum booster maintains relatively low level, for example, to be located at ambient pressure relatively low for automobile
Region, vavuum pump can long-time continuous firing, add the degree of wear and work noise of vavuum pump.
Utility model content
The utility model provides a kind of vacuum automobile apparatus for controlling pump and automobile, to solve to ask present in prior art
Topic, the accuracy of control is improved, reduce the degree of wear of vavuum pump, extend the service life of vavuum pump, reduce noise.
The utility model provides a kind of vacuum automobile apparatus for controlling pump, including：Vavuum pump；Vacuum booster, it is described true
Empty booster is connected with the vavuum pump；For detecting the vacuum transducer of vacuum, the vacuum transducer is arranged on institute
State in vacuum booster；For detecting the baroceptor of atmospheric pressure value, the baroceptor is arranged on entering for automobile engine
Gas port；For the timer for the run time for detecting the vavuum pump；According to the vacuum, the atmospheric pressure value, the operation
The controller of vavuum pump start and stop described in time control, the signal of the first input end of the controller and the baroceptor are defeated
Go out end communication connection, the second input of the controller communicates to connect with the signal output part of the vacuum transducer, described
The signal output part of 3rd input of controller and the timer communicates to connect, the output end of the controller with it is described true
The control signal communication connection of empty pump.
Alternatively, air pressure foil gauge is installed in the vacuum transducer.
Alternatively, the controller is arranged in brake control, and the brake control is located at the automobile
In front deck.
Alternatively, the baroceptor is communicated to connect with the controller by CAN.
Alternatively, the brake control also includes relay, and the relay is connected to the output of the controller
On communication line between end and the control signal of the vavuum pump.
Alternatively, the relay is arranged on automobile fuse box.
Alternatively, the baroceptor is connected with the controller by rigid line.
Alternatively, the vacuum booster is arranged in the front deck.
Alternatively, the timer is arranged on the vavuum pump.
Based on same inventive concept, the utility model additionally provides a kind of automobile, including master cylinder and pedal, described to step on
Plate is connected with the master cylinder, in addition to the vacuum automobile apparatus for controlling pump described in any of the above one, the vacuum help
Power device is connected with the master cylinder.
Vacuum automobile apparatus for controlling pump and automobile provided by the utility model, by comparing atmospheric pressure value and vacuum, it is determined that
Whether vavuum pump is opened, and can determine corresponding control threshold according to the atmospheric pressure value of different Altitude Regions, to improve
The accuracy of control, the braking ability of automobile is set to be well adapted for the area of different altitude height；Controller is timed and forced
The function of closing vavuum pump can be effectively prevented from vavuum pump long-play and wear, and extend the service life of vavuum pump,
Reduce vavuum pump running noises.
Brief description of the drawings
Preferred embodiment in the present invention will be described in detail by accompanying drawing below, it will help understand the purpose of the present invention and excellent
Point, wherein:
Fig. 1 is the structural representation for the vacuum automobile apparatus for controlling pump that the utility model preferred embodiment provides.
Embodiment
The utility model is described in detail with reference to embodiment.Wherein identical parts identical accompanying drawing mark
Note represents.It should be noted that the word "front", "rear", "left", "right", the "up" and "down" that are used below in description refer to
Direction in accompanying drawing, word " interior " and " outer " are referred respectively to towards or away from the direction of particular elements geometric center.
The structural representation for the vacuum automobile apparatus for controlling pump that Fig. 1 provides for the utility model preferred embodiment, wherein Fig. 1
Direction where middle arrow is the direction of signal transmission.As shown in figure 1, the utility model provides a kind of automobile vacuum pump control
Device, including：Vavuum pump 1, vacuum booster 2, vacuum transducer 3, baroceptor 4, timer 7 and controller 5.
Fig. 1 is refer to, the vacuum booster 2 is connected with the vavuum pump 1, and vavuum pump 1 can be to vacuum booster 2
Extract vacuum.The vacuum transducer 3 is used to detect vacuum, and the vacuum transducer 3 is arranged on the vacuum booster 2
It is interior, the vacuum inside vacuum booster 2 can be detected.The baroceptor 4 is used to detect atmospheric pressure value, the air pressure sensing
Device 4 is arranged on the air inlet of automobile engine, can detect and enter engine interior gas by the air inlet of automobile engine
Atmospheric pressure value.The controller 5 controls opening for the vavuum pump 1 according to the vacuum, the atmospheric pressure value, the run time
Stop, the controller 5 includes first input end, the second input and the 3rd input；Wherein, the first of the controller 5
The signal output part of input and the baroceptor 4 communicates to connect, the second input and the vacuum of the controller 5
The signal output part communication connection of sensor 3, the 3rd input of the controller 5 and the signal output part of the timer 7
Communication connection, the output end of the controller 5 and the control signal of the vavuum pump 1 communicate to connect.
As a preferable implementation process, enter the gas of automobile engine by the measurement of baroceptor 4 first
Atmospheric pressure value, the vacuum inside vacuum booster 2, the signal that atmospheric pressure value passes through baroceptor 4 are measured by vacuum transducer 3
The first input end of output end and controller 5 is transferred in controller 5.The signal output part that vacuum passes through vacuum transducer 3
It is transferred to the second input of controller 5 in controller 5.Then, controller 5 determines that control vavuum pump 1 opens by atmospheric pressure value
The control threshold of closed state, control threshold include opening threshold value and close threshold value, wherein opening threshold value and atmospheric pressure value sum as the
Certain value, i.e. atmospheric pressure value are higher, and it is lower to open threshold value；It is the second definite value that threshold value, which is closed, with atmospheric pressure value sum, and the second definite value is more than
The numerical value of first the first definite value of definite value and the second definite value can determine according to the braking conditions needed for different vehicle, typically open threshold
Value is arranged to 45kpa, closes threshold value and is arranged to 60kpa.Controller 5 is contrasted vacuum with opening threshold value, closing threshold value,
The open/close states of vavuum pump 1 are determined using following three conditions：
(1) if vacuum levels, which are less than or equal to, opens threshold value, vavuum pump 1 is opened；
(2) if vacuum levels, which are more than, closes threshold value, vavuum pump 1 is closed；
(3) open threshold value if vacuum levels are more than but be less than or equal to close threshold value, vavuum pump 1 is kept former
First state is constant.
As shown in figure 1, in the first scenario, the first output end of controller 5 is to the output control vavuum pump 1 of vavuum pump 1
The instruction of unlatching.After vavuum pump 1 has worked, the signal output part of vavuum pump 1 and the signal input part communication link of timer 7
Connect, timer 7 starts to calculate the working time of vavuum pump 1.Alternatively, timer 7 is arranged on vavuum pump 1, is easy to vavuum pump 1
Signal transmission between timer 7.If the vacuum levels in interior vacuum booster 2 of default time (15s) are
Reach closing threshold value, then the normal switching-off of vavuum pump 1, control flow terminate；If within the default time (15s), vacuum servo
Vacuum levels in device 2 still not up to close threshold value, then vavuum pump 1 works on less efficient, and the second of controller 5 is defeated
Go out end and the instruction shut down is exported to vavuum pump 1, vavuum pump 1 is stopped after halt instruction is received, and can avoid vavuum pump 1
Excessive wear, extend the life-span of vavuum pump 1, reduce the noise that vavuum pump 1 is run.
The vacuum automobile apparatus for controlling pump that the utility model embodiment provides, by comparing atmospheric pressure value and vacuum, it is determined that
Whether vavuum pump 1 is opened, and can determine corresponding control threshold according to the atmospheric pressure value of different Altitude Regions, to improve
The accuracy of control, allows the braking ability of automobile to be well adapted for the area of different altitude height, and controller 5 is timed and forced
The function of closing vavuum pump 1 can be effectively prevented from the long-play of vavuum pump 1 and wear, and extend vavuum pump 1 uses the longevity
Life, reduce the running noises of vavuum pump 1.
Alternatively, air pressure foil gauge is installed in the vacuum transducer 3.Air pressure foil gauge can be by vacuum transducer 3
Interior vacuum is converted into voltage signal, and feeds back the vacuum in vacuum booster 2 to controller 5 in the form of voltage signal
It is horizontal.
The installation position of controller 5 be equipped with it is a variety of, further, the controller 5 be arranged on brake control in, it is described
Brake control is located in the front deck 6 of the automobile.Controller 5 is auxiliary braking, is a part for brake control, very
Empty pump 1 is arranged in front deck 6, and controller 5 controls the opening and closing of vavuum pump 1, and controller 5 is similarly disposed in front deck 6,
The control circuit between controller 5 and vavuum pump 1 can effectively be shortened, reduce control cost.
It is preferred that the baroceptor 4 is connected with the controller 5 by CAN.CAN (control general ability
Domain network-bus, Controller Area Network, CAN) there is higher reliability and real-time, securely and reliably, use
Cost is low.
Alternatively, the brake control also includes relay, and the relay is connected to the output of the controller 5
On communication line between end and the control signal of the vavuum pump 1.The low current that relay can export controller 5 turns
Change high current into, effectively control vavuum pump 1 to open and close.
It is preferred that the relay is arranged on automobile fuse box.Relay makes the device that circuit converts, and exists certain
Security risk, by relay be arranged on automobile fuse box in, can effectively to relay play isolation and protection work
With raising security.
Further, the baroceptor 4 is connected with the controller 5 by rigid line.Atmospheric pressure value should by air pressure
Become piece and change into voltage signal, hard spot connection will be arranged between baroceptor 4 and controller 5, believed voltage by rigid line
Number it is transferred to controller 5.In one embodiment, the first of the signal output part of the sensor and the controller is defeated
Entering end can be realized by 4-20mA interfaces.
It is preferred that the vacuum booster 2 is arranged in front deck 6.Vavuum pump 1 is arranged in front deck 6, and vavuum pump 1 is used for
Vacuum booster 2 is vacuumized, vacuum booster 2 is co-located in front deck 6 with vavuum pump 1, can be shortened between the two
Connecting line.
Based on same inventive concept, the utility model additionally provides a kind of automobile, including master cylinder and pedal, described to step on
Plate is connected with master cylinder, in addition to vacuum automobile apparatus for controlling pump provided by the utility model, the vacuum booster 2 with
The master cylinder is connected.When pedal is by active force, master cylinder produces brake pressure under the drive of pedal, and vacuum helps
Power device 2 is connected with master cylinder, can increase brake pressure caused by master cylinder, shows as acting on the effect on pedal
Power is smaller can to produce larger brake force.The control device of automobile vacuum pump 1 provided by the utility model embodiment can be with
Vacuum inside vacuum booster 2 is maintained in rational scope, adds the vacuum servo to master cylinder, to braking
Good booster action is played, light pedal can play good decelerating effect in braking, improve the braking of vehicle
Energy.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The scope of scheme.
Claims (10)
- A kind of 1. vacuum automobile apparatus for controlling pump, it is characterised in that including：Vavuum pump；Vacuum booster, the vacuum booster are connected with the vavuum pump；For detecting the vacuum transducer of vacuum, the vacuum transducer is arranged in the vacuum booster；For detecting the baroceptor of atmospheric pressure value, the baroceptor is arranged on the air inlet of automobile engine；For the timer for the run time for detecting the vavuum pump；The controller of the vavuum pump start and stop, the control are controlled according to the vacuum, the atmospheric pressure value, the run time The signal output part of the first input end of device and the baroceptor communicates to connect, the second input of the controller and institute State the signal output part communication connection of vacuum transducer, the 3rd input of the controller and the signal output of the timer End communication connection, the output end of the controller and the control signal of the vavuum pump communicate to connect.
- 2. vacuum automobile apparatus for controlling pump according to claim 1, it is characterised in that be provided with the vacuum transducer Air pressure foil gauge.
- 3. vacuum automobile apparatus for controlling pump according to claim 1, it is characterised in that the controller is arranged on braking and controlled In device processed, the brake control is located in the front deck of the automobile.
- 4. vacuum automobile apparatus for controlling pump according to claim 1, it is characterised in that the baroceptor and the control Device processed is communicated to connect by CAN.
- 5. vacuum automobile apparatus for controlling pump according to claim 3, it is characterised in that the brake control also includes Relay, the relay are connected to the order wire between the output end of the controller and the control signal of the vavuum pump Lu Shang.
- 6. vacuum automobile apparatus for controlling pump according to claim 5, it is characterised in that the relay is protected installed in automobile On dangerous silk box.
- 7. according to the vacuum automobile apparatus for controlling pump described in claim 1-6 any one, it is characterised in that the air pressure sensing Device is connected with the controller by rigid line.
- 8. vacuum automobile apparatus for controlling pump according to claim 3, it is characterised in that the vacuum booster is arranged on institute State in front deck.
- 9. according to the vacuum automobile apparatus for controlling pump described in claim 1-6 any one, it is characterised in that the timer peace On the vavuum pump.
- 10. a kind of automobile, including master cylinder and pedal, the pedal are connected with the master cylinder, it is characterised in that also Including the vacuum automobile apparatus for controlling pump described in claim 1-9 any one, the vacuum booster and the master cylinder It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720607172.4U CN206841415U (en) | 2017-05-27 | 2017-05-27 | Vacuum automobile apparatus for controlling pump and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720607172.4U CN206841415U (en) | 2017-05-27 | 2017-05-27 | Vacuum automobile apparatus for controlling pump and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206841415U true CN206841415U (en) | 2018-01-05 |
Family
ID=60797768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720607172.4U Expired - Fee Related CN206841415U (en) | 2017-05-27 | 2017-05-27 | Vacuum automobile apparatus for controlling pump and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206841415U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111169535A (en) * | 2019-12-27 | 2020-05-19 | 珠海广通汽车有限公司 | Motor control method and device of electric automobile and electric automobile |
-
2017
- 2017-05-27 CN CN201720607172.4U patent/CN206841415U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111169535A (en) * | 2019-12-27 | 2020-05-19 | 珠海广通汽车有限公司 | Motor control method and device of electric automobile and electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180105 |