CN207173580U - A kind of vacuum boost system and electric automobile - Google Patents
A kind of vacuum boost system and electric automobile Download PDFInfo
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- CN207173580U CN207173580U CN201720954251.2U CN201720954251U CN207173580U CN 207173580 U CN207173580 U CN 207173580U CN 201720954251 U CN201720954251 U CN 201720954251U CN 207173580 U CN207173580 U CN 207173580U
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Abstract
The utility model discloses a kind of vacuum boost system and electric automobile, is related to automobile brake technical field.The vacuum boost system includes pressure sensor, vehicle speed sensor, pedal speed sensor, vacuum treatment unit, vacuum booster and electric vacuum pump.Vacuum treatment unit is according to ambient pressure data, vehicle speed data and the unlatching threshold values and closing threshold values of trampling speed data regulation electric vacuum pump, and when vacuum is less than threshold values is opened, vacuum booster control electric vacuum pump is opened.Compared with force aid system of the prior art, vacuum boost system provided by the utility model is as a result of pressure sensor, vehicle speed sensor and the pedal speed sensor being connected with vacuum treatment unit, so the unlatching threshold values of dynamic vavuum pump can be flexibly adjusted according to external condition and closes threshold values, so as to flexibly control being turned on or off for electric vacuum pump, reduce its frequency of use, its service life is improved, it is practical, it is cost-effective.
Description
Technical field
Automobile brake technical field is the utility model is related to, in particular to a kind of vacuum boost system and electronic
Automobile.
Background technology
Vacuum system is the force aid system in electric automobile brake fluid system, can lift the braking of brake fluid system
Ability, improve driver comfort.Existing vacuum boost system is by detecting the vacuum size in vacuum boost system, and with setting
Fixed threshold values is compared, and to control electric vacuum pump (EVP) start and stop, when vacuum is higher than setting value, is stopped electronic true
Empty pump (EVP), when vacuum is less than setting value, open electric vacuum pump (EVP).And vacuum boost system is in parking of automobile
Afterwards, vacuum in pipeline can not be kept for a long time, after automobile starting, to ensure traffic safety, needing to wait for one can just go after the meeting
Sail.
When speed is relatively low, electric automobile is in non-emergent braking, based on motor braking, if motor braking ability is inadequate
When, just supplement hydraulic braking；During high-speed cruising, electric motor of automobile brake force deficiency, based on hydraulic braking.Inventor studies hair
Existing, current electric vacuum pump can not flexibly open and close according to extraneous circumstance, cause electric vacuum pump frequency of use very
Height, service life reduce, and vacuum boost system can not continue to keep the vacuum in pipeline after automobile flameout.
In view of this, design and manufacture a kind of service life is long, keep for a long time vacuum vacuum boost system and
Electric automobile is particularly particularly important in automobile production.
Utility model content
The purpose of this utility model is to provide a kind of vacuum boost system, can flexibly be opened according to external condition or
Person closes, and reduces frequency of use, improves service life, practical, cost-effective.
Another object of the present utility model is to provide a kind of electric automobile, and vacuum boost system therein can be according to outer
Boundary's condition is flexibly turned on or off, and reduces frequency of use, improves service life, practical, cost-effective.
The utility model is realized using following technical scheme.
A kind of vacuum boost system, including pressure sensor, vehicle speed sensor, pedal speed sensor, application of vacuum list
Member, vacuum booster and electric vacuum pump；Pressure sensor is connected with vacuum treatment unit, for detecting ambient pressure environment,
Obtain ambient pressure data；Vehicle speed sensor is connected with vacuum treatment unit, for detecting Vehicle Speed, obtains speed number
According to；Pedal speed sensor is connected with vacuum treatment unit, the speed trampled for detecting pedal, obtains trampling number of speed
According to；Vacuum treatment unit is connected with electric vacuum pump, for foundation ambient pressure data, vehicle speed data and tramples speed data tune
The unlatching threshold values and closing threshold values of section electric vavuum pump；Vacuum booster is connected with electric vacuum pump, for sensing in it
Vacuum less than open threshold values when, control electric vacuum pump open, and for sense its interior vacuum up to or over
When closing threshold values, control electric vacuum pump is closed.
Further, vacuum booster includes vacuum degree control device and booster body, and booster body passes through vacuum
Controller is connected with electric vacuum pump, and vacuum degree control device is used to detect the intrinsic vacuum of booster, and by itself and unlatching
Threshold values or closing threshold values compare, and control electric vacuum pump to be turned on or off.
Further, vacuum degree control device includes vacuum sensor and analyzer-controller, vacuum sensor and power-assisted
Device body is connected, and to detect the intrinsic vacuum of booster, vacuum sensor is connected with analyzer-controller, by vacuum
Analyzer-controller is passed to, analyzer-controller is used for by vacuum compared with opening threshold values or closing threshold values, and controls electronic
Vavuum pump is turned on or off.
Further, vacuum treatment unit includes data analysis module and control module, pressure sensor, vehicle speed sensor
Be connected with pedal speed sensor with data analysis module, data analysis module be used for receive and analysis environments pressure data,
Vehicle speed data and speed data is trampled, and produce control signal, data analysis module is connected with control module, by control signal
Control module is passed to, control module is connected with electric vacuum pump, and control module is used to adjust Motorized vacuum according to control signal
The unlatching threshold values and closing threshold values of pump.
Further, vacuum treatment unit also includes pre-cooling module, and data analysis module connects with pre-cooling module
Connect, pre-cooling module is connected with electric vacuum pump, when vehicle speed data more than the first critical value or is trampled speed data and exceeded
During the second critical value, pre-cooling module directly controls Motorized vacuum pump startup.
Further, vacuum boost system also includes vacuum tank, vacuum tank respectively with electric vacuum pump and vacuum booster
Connection, vacuum tank are optionally in communication with the outside, and air electric vacuum pump being drawn into vacuum booster is discharged to outer
Boundary.
Further, vacuum tank includes tank body and electric-controlled switch valve, tank body respectively with electric vacuum pump and vacuum booster
Connection, tank body are provided with the venthole being in communication with the outside, and electric-controlled switch valve is installed on outside tank body, and the position of electric-controlled switch valve is with going out
The position correspondence of stomata, to be selectively opened or close venthole.
Further, electric-controlled switch valve includes switch module and the valve body with an accommodating cavity, and valve body is provided with air inlet
Mouth and gas outlet, air inlet and gas outlet connect with accommodating cavity, and air inlet connects with venthole, and gas outlet connects with extraneous
Logical, switch module is installed in accommodating cavity, to be selectively opened or close air inlet.
Further, switch module includes electromagnet, armature post, elastic component and valve element, and armature post is fixedly connected with valve element,
The shape of valve element is corresponding with the shape of air inlet, and valve element is selectively opened or closed air inlet, and elastic component is sheathed on armature
On post, one end of elastic component is abutted with valve element, and the other end abuts with valve body, and electromagnet is fixedly installed on valve body, and and armature
The one end of post away from valve element is arranged at intervals.
A kind of electric automobile, including automobile body and vacuum boost system, vacuum boost system are installed in automobile body,
Vacuum boost system includes pressure sensor, vehicle speed sensor, pedal speed sensor, vacuum treatment unit, vacuum booster
And electric vacuum pump；Pressure sensor is connected with vacuum treatment unit, for detecting ambient pressure environment, obtains environmental pressure number
According to；Vehicle speed sensor is connected with vacuum treatment unit, for detecting Vehicle Speed, obtains vehicle speed data；Pedal speed passes
Sensor is connected with vacuum treatment unit, the speed trampled for detecting pedal, obtains trampling speed data；Vacuum treatment unit
It is connected with electric vacuum pump, for foundation ambient pressure data, vehicle speed data and tramples speed data regulation electric vacuum pump
Open threshold values and close threshold values；Vacuum booster is connected with electric vacuum pump, for sensing its interior vacuum less than unlatching
During threshold values, control electric vacuum pump is opened, and for when sensing its interior vacuum up to or over threshold values is closed, controlling
Electric vacuum pump is closed.
Vacuum boost system and electric automobile provided by the utility model have the advantages that：
Vacuum boost system provided by the utility model, pressure sensor detect to obtain ambient pressure data, speed sensing
Device detects to obtain vehicle speed data, and pedal speed sensor, which detects to obtain, tramples speed data, and vacuum treatment unit is according to environment pressure
Force data, vehicle speed data and the unlatching threshold values and closing threshold values of trampling speed data regulation electric vacuum pump, when vacuum is less than
When opening threshold values, vacuum booster control electric vacuum pump is opened, and when vacuum is up to or over threshold values is closed, vacuum helps
Power device control electric vacuum pump is closed.Compared with force aid system of the prior art, vacuum servo system provided by the utility model
System is as a result of pressure sensor, vehicle speed sensor and the pedal speed sensor being connected with vacuum treatment unit, so energy
Enough unlatching threshold values that dynamic vavuum pump is flexibly adjusted according to external condition and closing threshold values, so as to flexibly control electric vacuum pump
Be turned on or off, reduce its frequency of use, improve its service life, it is practical, it is cost-effective.
Electric automobile provided by the utility model, including vacuum boost system, can flexibly it be adjusted according to external condition
The unlatching threshold values and closing threshold values of dynamic vavuum pump, so as to flexibly control being turned on or off for electric vacuum pump, reducing it makes
With frequency, its service life is improved, it is practical, it is cost-effective.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the structure composition block diagram for the vacuum boost system that the utility model embodiment provides；
Fig. 2 is that vacuum booster is connected with electric vacuum pump in the vacuum boost system that the utility model embodiment provides
Structure composition block diagram；
Fig. 3 is that vacuum treatment unit is connected with electric vacuum pump in the vacuum boost system that the utility model embodiment provides
Structure composition block diagram；
Fig. 4 is the structural representation of vacuum tank in the vacuum boost system that the utility model embodiment provides；
Fig. 5 is the configuration schematic diagram of switch module in Fig. 4.
Icon：100- vacuum boost systems；110- pressure sensors；120- vehicle speed sensor；130- pedal speeds sense
Device；140- vacuum treatment units；141- data analysis modules；143- control modules；145- pre-cooling modules；150- vacuum helps
Power device；151- vacuum degree control devices；1511- vacuum sensors；1513- analyzer-controllers；153- booster bodies；160- electricity
Dynamic vavuum pump；170- vacuum tanks；171- tank bodies；1711- ventholes；172- electric-controlled switch valves；174- switch modules；1741- electricity
Magnet；1743- armature posts；1745- elastic components；1747- valve elements；176- valve bodies；1761- houses cavity；1763- air inlets；
1765- gas outlets.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
, it is necessary to explanation, the finger such as term " interior ", " outer ", " on ", " under ", " level " in description of the present utility model
The orientation or position relationship shown is based on orientation shown in the drawings or position relationship, or is used to during the utility model product use
The orientation or position relationship often put, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that instruction
Or imply relative importance.
In description of the present utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " connected ", " installation ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, intermediary can also be passed through
It is indirectly connected, can is the connection of two element internals.For the ordinary skill in the art, can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
Below in conjunction with the accompanying drawings, some embodiments of the present utility model are elaborated.In the case where not conflicting, under
Feature in the embodiment stated can be mutually combined.
Embodiment
Fig. 1 is refer to, the utility model embodiment provides a kind of electric automobile (not shown), for as communications and transportation
Instrument.The electric automobile includes automobile body (not shown) and vacuum boost system 100.Vacuum boost system 100 is installed on vapour
In car body, for lifting the stopping power of automobile body hydraulic braking.The vacuum boost system 100 can be according to external condition
Flexibly it is turned on or off, reduces frequency of use, improves service life, and the vacuum in pipeline can be kept for a long time
It is constant, improve overall performance.
Vacuum boost system 100 includes pressure sensor 110, vehicle speed sensor 120, pedal speed sensor 130, vacuum
Processing unit 140, vacuum booster 150, electric vacuum pump 160 and vacuum tank 170.Pressure sensor 110 and application of vacuum list
Member 140 connects, and for detecting ambient pressure environment, obtains ambient pressure data.Vehicle speed sensor 120 and vacuum treatment unit
140 connections, for detecting Vehicle Speed, obtain vehicle speed data.Pedal speed sensor 130 and vacuum treatment unit 140
Connection, the speed trampled for detecting pedal, obtains trampling speed data.Vacuum treatment unit 140 and electric vacuum pump 160
Connection, for according to ambient pressure data, vehicle speed data and trample speed data regulation electric vacuum pump 160 unlatching threshold values and
Close threshold values.Vacuum booster 150 is connected with electric vacuum pump 160, for sensing its interior vacuum less than unlatching threshold values
When, control electric vacuum pump 160 is opened, and extracts the air in vacuum booster 150, improves the vacuum in vacuum booster 150
Degree；And for when sensing its interior vacuum up to or over threshold values is closed, control electric vacuum pump 160 to be closed.Vacuum
Tank 170 is connected with electric vacuum pump 160 and vacuum booster 150 respectively, and vacuum tank 170 is optionally in communication with the outside, will
The air that electric vacuum pump 160 is drawn into vacuum booster 150 is discharged to the external world.
When vehicle speed data and the timing of speed data one is trampled, if ambient pressure data is more than the first preset value, application of vacuum
The control of unit 140 is opened threshold values and reduced, and controls and close threshold values rise；If ambient pressure data is less than the first preset value, vacuum
Threshold values rise is opened in the control of processing unit 140, and is controlled and closed threshold values reduction.
When ambient pressure data and the timing of speed data one is trampled, if vehicle speed data is less than the second preset value, application of vacuum
The control of unit 140 is opened threshold values and reduced, and controls and close threshold values rise；If vehicle speed data data are more than the second preset value, vacuum
Threshold values rise is opened in the control of processing unit 140, and is controlled and closed threshold values reduction.
When ambient pressure data and the timing of vehicle speed data one, if trampling speed data is less than the 3rd preset value, application of vacuum
The control of unit 140 is opened threshold values and reduced, and controls and close threshold values rise；If speed data is trampled more than the 3rd preset value, vacuum
Threshold values rise is opened in the control of processing unit 140, and is controlled and closed threshold values reduction.
Fig. 2 is refer to, vacuum booster 150 includes vacuum degree control device 151 and booster body 153.Booster body
153 are connected by vacuum degree control device 151 with electric vacuum pump 160, and vacuum degree control device 151 is used to detect booster body
Vacuum in 153, and by it compared with opening threshold values or closing threshold values, and control electric vacuum pump 160 to open or close
Close.
Vacuum degree control device 151 includes vacuum sensor 1511 and analyzer-controller 1513.Vacuum sensor 1511
It is connected with booster body 153, to detect the vacuum in booster body 153, vacuum sensor 1511 and analysis and Control
Device 1513 connects, by vacuum transmission to analyzer-controller 1513.Analyzer-controller 1513 is used for vacuum and opening valve
Value or closing threshold values compare, and control electric vacuum pump 160 to be turned on or off.
Fig. 3 is refer to, vacuum treatment unit 140 includes data analysis module 141, control module 143 and pre-cooling mould
Block 145.Pressure sensor 110, vehicle speed sensor 120 and pedal speed sensor 130 are connected with data analysis module 141,
Data analysis module 141 is for reception and analysis environments pressure data, vehicle speed data and tramples speed data, and produces control letter
Number.Data analysis module 141 is connected with control module 143, and control signal is passed into control module 143, control module 143
Be connected with electric vacuum pump 160, control module 143 be used for according to control signal adjust electric vacuum pump 160 unlatching threshold values and
Close threshold values.Data analysis module 141 is connected with pre-cooling module 145, pre-cooling module 145 and electric vacuum pump 160
Connection, when vehicle speed data is more than the first critical value or when trampling speed data more than the second critical value, pre-cooling module 145
Directly control electric vacuum pump 160 starts, pre-cooling electric vacuum pump 160, maximizes power-assisted effect, improves Brake Energy
Power, improve the security of running car.
Fig. 4 is refer to, vacuum tank 170 includes tank body 171 and electric-controlled switch valve 172.Tank body 171 respectively with electric vacuum pump
160 and vacuum booster 150 connect, tank body 171 is provided with the venthole 1711 being in communication with the outside.Electric-controlled switch valve 172 is installed
In outside tank body 171, the position of electric-controlled switch valve 172 and the position correspondence of venthole 1711, to be selectively opened or close
Venthole 1711.
Electric-controlled switch valve 172 includes switch module 174 and the valve body 176 with an accommodating cavity 1761.Valve body 176 is set
There are air inlet 1763 and gas outlet 1765, air inlet 1763 and gas outlet 1765 connect with accommodating cavity 1761.Air inlet
1763 are connected with venthole 1711, and gas outlet 1765 is in communication with the outside, and switch module 174 is installed in accommodating cavity 1761, with
It is selectively opened or closes air inlet 1763.
Fig. 5 is refer to, switch module 174 includes electromagnet 1741, armature post 1743, elastic component 1745 and valve element 1747.
Armature post 1743 is fixedly connected with valve element 1747, and the shape of valve element 1747 is corresponding with the shape of air inlet 1763, and valve element 1747 selects
Open or close to selecting property air inlet 1763, elastic component 1745 is sheathed on armature post 1743, one end of elastic component 1745 with
Valve element 1747 is abutted, and the other end abuts with valve body 176, and electromagnet 1741 is fixedly installed on valve body 176, and with armature post 1743
One end away from valve element 1747 is arranged at intervals.
It is worth noting that, the operation principle of electric-controlled switch valve 172 is, when automobile starting, electromagnet 1741, which is powered, to be produced
Magnetisation, armature post 1743 are bonded electromagnet 1741 in the presence of magnetic force, and at the same time, armature post 1743 is with movable valve plug 1747
Overcome the elastic force of elastic component 1745 to be subjected to displacement, open air inlet 1763, venthole 1711 is in communication with the outside；When automobile stops
Afterwards, the power-off of electromagnet 1741 loses magnetism, the resilience of band moving armature post 1743 in the presence of the elastic force of elastic component 1745 of valve element 1747,
Air inlet 1763 is closed, venthole 1711 is closed with extraneous, prevents outside air from entering, keep the vacuum in tank body 171
Degree.
In the present embodiment, elastic component 1745 is spring.It is not limited to this, elastic component 1745 can also be elastic rubber
Glue, the material of elastic component 1745 is not especially limited, as long as flexible, valve element 1747 can be held in air inlet 1763
Go up and close the material of the elastic component 1745 of air inlet 1763 within the scope of protection of the utility model.
The vacuum boost system 100 that the utility model embodiment provides, the detection of pressure sensor 110 obtain environmental pressure number
Vehicle speed data is obtained according to the detection of, vehicle speed sensor 120, and the detection of pedal speed sensor 130 obtains trampling speed data, at vacuum
Reason unit 140 according to ambient pressure data, vehicle speed data and trample speed data regulation electric vacuum pump 160 unlatching threshold values and
Threshold values is closed, when vacuum is less than threshold values is opened, vacuum booster 150 controls electric vacuum pump 160 to open, when vacuum reaches
Arrive or more than close threshold values when, vacuum booster 150 control electric vacuum pump 160 close.With power-assisted system of the prior art
System is compared, and vacuum boost system 100 provided by the utility model passes as a result of the pressure being connected with vacuum treatment unit 140
Sensor 110, vehicle speed sensor 120 and pedal speed sensor 130, so dynamic vacuum can flexibly be adjusted according to external condition
The unlatching threshold values and closing threshold values of pump, so as to flexibly control being turned on or off for electric vacuum pump 160, reduce it and use frequency
Rate, its service life is improved, it is practical, it is cost-effective, and rear enclosed air inlet 1763 can be powered off in vehicle, for a long time
Keep the vacuum in pipeline constant, improve overall performance, make electric automobile powerful, safety coefficient increase.
Preferred embodiment of the present utility model is these are only, is not limited to the utility model, for this area
Technical staff for, the utility model can have various modifications and variations.It is all within the spirit and principles of the utility model,
Any modification, equivalent substitution and improvements made etc., should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of vacuum boost system, it is characterised in that including pressure sensor, vehicle speed sensor, pedal speed sensor, true
Empty processing unit, vacuum booster and electric vacuum pump；
The pressure sensor is connected with the vacuum treatment unit, for detecting ambient pressure environment, obtains environmental pressure number
According to；
The vehicle speed sensor is connected with the vacuum treatment unit, for detecting Vehicle Speed, obtains vehicle speed data；
The pedal speed sensor is connected with the vacuum treatment unit, the speed trampled for detecting pedal, is stepped on
Step on speed data；
The vacuum treatment unit is connected with the electric vacuum pump, for according to the ambient pressure data, the speed number
According to and the speed data of trampling adjust the unlatching threshold values of the electric vacuum pump and close threshold values；
The vacuum booster is connected with the electric vacuum pump, for sensing that its interior vacuum is less than the unlatching threshold values
When, control the electric vacuum pump to open, and be used for when sensing its interior vacuum up to or over the closing threshold values,
The electric vacuum pump is controlled to close.
2. vacuum boost system according to claim 1, it is characterised in that the vacuum booster includes vacuum degree control
Device and booster body, the booster body are connected by the vacuum degree control device with the electric vacuum pump, described true
Reciprocal of duty cycle controller is used to detect the intrinsic vacuum of the booster, and by itself and the unlatching threshold values or the shutoff valve
Value compares, and controls the electric vacuum pump to be turned on or off.
3. vacuum boost system according to claim 2, it is characterised in that the vacuum degree control device passes including vacuum
Sensor and analyzer-controller, the vacuum sensor are connected with the booster body, to detect in the booster body
Vacuum, the vacuum sensor is connected with the analyzer-controller, gives vacuum transmission to the analyzer-controller,
The analyzer-controller is used for by vacuum compared with the unlatching threshold values or the closing threshold values, and controls described electronic true
Empty pump is turned on or off.
4. vacuum boost system according to claim 1, it is characterised in that the vacuum treatment unit includes data analysis
Module and control module, the pressure sensor, the vehicle speed sensor and the pedal speed sensor with the data
Analysis module connects, and the data analysis module is used to receiving and analyze the ambient pressure data, the vehicle speed data and institute
State and trample speed data, and produce control signal, the data analysis module is connected with the control module, by the control
Signal passes to the control module, and the control module is connected with the electric vacuum pump, and the control module is used for basis
The control signal adjusts the unlatching threshold values of the electric vacuum pump and closes threshold values.
5. vacuum boost system according to claim 4, it is characterised in that the vacuum treatment unit also includes opening in advance
Dynamic model block, the data analysis module are connected with the pre-cooling module, the pre-cooling module and the Motorized vacuum
Pump connect, when the vehicle speed data more than the first critical value or it is described trample speed data more than the second critical value when, it is described
Pre-cooling module directly controls the Motorized vacuum pump startup.
6. according to the vacuum boost system described in any one of claim 1 to 5, it is characterised in that the vacuum boost system is also
Including vacuum tank, the vacuum tank is connected with the electric vacuum pump and the vacuum booster respectively, the vacuum tank selection
Property it is in communication with the outside, the air that the electric vacuum pump is drawn into the vacuum booster is discharged to the external world.
7. vacuum boost system according to claim 6, it is characterised in that the vacuum tank includes tank body and electric-controlled switch
Valve, the tank body are connected with the electric vacuum pump and the vacuum booster respectively, and the tank body, which is provided with, to be in communication with the outside
Venthole, the electric-controlled switch valve is installed on outside the tank body, the position of the electric-controlled switch valve and the position of the venthole
Put correspondingly, to be selectively opened or close the venthole.
8. vacuum boost system according to claim 7, it is characterised in that the electric-controlled switch valve include switch module and
Valve body with an accommodating cavity, the valve body are provided with air inlet and gas outlet, the air inlet and the gas outlet with
The accommodating cavity connection, the air inlet connect with the venthole, and the gas outlet is in communication with the outside, the switch module
It is installed in the accommodating cavity, to be selectively opened or close the air inlet.
9. vacuum boost system according to claim 8, it is characterised in that the switch module includes electromagnet, armature
Post, elastic component and valve element, the armature post are fixedly connected with the valve element, the shape of the valve element and the shape of the air inlet
Corresponding, the valve element is selectively opened or closed the air inlet, and the elastic component is sheathed on the armature post, described
One end of elastic component abuts with the valve element, and the other end abuts with the valve body, and the electromagnet is fixedly installed in the valve body
On, and be arranged at intervals with the one end of the armature post away from the valve element.
A kind of 10. electric automobile, it is characterised in that including automobile body and vacuum boost system, the vacuum boost system peace
Loaded in the automobile body, the vacuum boost system include pressure sensor, vehicle speed sensor, pedal speed sensor,
Vacuum treatment unit, vacuum booster and electric vacuum pump；
The pressure sensor is connected with the vacuum treatment unit, for detecting ambient pressure environment, obtains environmental pressure number
According to；
The vehicle speed sensor is connected with the vacuum treatment unit, for detecting Vehicle Speed, obtains vehicle speed data；
The pedal speed sensor is connected with the vacuum treatment unit, the speed trampled for detecting pedal, is stepped on
Step on speed data；
The vacuum treatment unit is connected with the electric vacuum pump, for according to the ambient pressure data, the speed number
According to and the speed data of trampling adjust the unlatching threshold values of the electric vacuum pump and close threshold values；
The vacuum booster is connected with the electric vacuum pump, for sensing that its interior vacuum is less than the unlatching threshold values
When, control the electric vacuum pump to open, and be used for when sensing its interior vacuum up to or over the closing threshold values,
The electric vacuum pump is controlled to close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720954251.2U CN207173580U (en) | 2017-08-01 | 2017-08-01 | A kind of vacuum boost system and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720954251.2U CN207173580U (en) | 2017-08-01 | 2017-08-01 | A kind of vacuum boost system and electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207173580U true CN207173580U (en) | 2018-04-03 |
Family
ID=61744144
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720954251.2U Expired - Fee Related CN207173580U (en) | 2017-08-01 | 2017-08-01 | A kind of vacuum boost system and electric automobile |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107380152A (en) * | 2017-08-01 | 2017-11-24 | 风度（常州）汽车研发院有限公司 | A kind of vacuum boost system and electric automobile |
| CN109532807A (en) * | 2018-12-29 | 2019-03-29 | 北京汽车股份有限公司 | Vacuum boost system, the control method of vacuum boost system and vehicle |
| CN109733365A (en) * | 2019-02-21 | 2019-05-10 | 上海拓绅汽车电子有限公司 | A kind of control system of the electric vacuum pump for electric car |
| CN110435625A (en) * | 2019-07-24 | 2019-11-12 | 中国第一汽车股份有限公司 | A kind of electric car vacuum boost system vacuum sensor detection system and method |
| CN115366865A (en) * | 2022-09-13 | 2022-11-22 | 钦萘新能源科技（苏州）有限公司 | Intelligent regulation and control system for electric vacuum pump of new energy automobile |
-
2017
- 2017-08-01 CN CN201720954251.2U patent/CN207173580U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107380152A (en) * | 2017-08-01 | 2017-11-24 | 风度（常州）汽车研发院有限公司 | A kind of vacuum boost system and electric automobile |
| CN109532807A (en) * | 2018-12-29 | 2019-03-29 | 北京汽车股份有限公司 | Vacuum boost system, the control method of vacuum boost system and vehicle |
| CN109532807B (en) * | 2018-12-29 | 2020-06-26 | 北京汽车股份有限公司 | Vacuum boosting system, control method of vacuum boosting system and vehicle |
| CN109733365A (en) * | 2019-02-21 | 2019-05-10 | 上海拓绅汽车电子有限公司 | A kind of control system of the electric vacuum pump for electric car |
| CN110435625A (en) * | 2019-07-24 | 2019-11-12 | 中国第一汽车股份有限公司 | A kind of electric car vacuum boost system vacuum sensor detection system and method |
| CN115366865A (en) * | 2022-09-13 | 2022-11-22 | 钦萘新能源科技（苏州）有限公司 | Intelligent regulation and control system for electric vacuum pump of new energy automobile |
| CN115366865B (en) * | 2022-09-13 | 2023-09-12 | 钦萘新能源科技（苏州）有限公司 | Intelligent regulation and control system for electric vacuum pump of new energy automobile |
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