CN206734284U - A kind of brakes of electric car - Google Patents
A kind of brakes of electric car Download PDFInfo
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- CN206734284U CN206734284U CN201720458806.4U CN201720458806U CN206734284U CN 206734284 U CN206734284 U CN 206734284U CN 201720458806 U CN201720458806 U CN 201720458806U CN 206734284 U CN206734284 U CN 206734284U
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- wireline reel
- clutch
- brake
- external toothing
- gear
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Abstract
The utility model discloses a kind of brakes of electric car, including gas pedal, brake pedal, brake cylinder, motor and braking energy storage equipment, braking energy storage equipment includes wireline reel, winding external toothing, wireline reel and winds the wind spring between external toothing, wireline reel is connected by disengaging type linear transmission with the piston rod of brake cylinder, when gas pedal acts, motor drives vehicle to travel by differential mechanism；When brake pedal acts, wind spring drives wireline reel to rotate, and drives the piston rod of brake cylinder to move by disengaging type linear transmission, realizes the braking of vehicle, and wheel then winds external toothing by disengaging type one-way driving mechanism towing astern and rotated, and wind spring takes up accumulation of energy；When brake pedal unclamps, main automatically controlled lock device locking wireline reel, ratchet locking winding external toothing.The utility model is adapted to implement on pure electric automobile, and can significantly decrease the power consumption of brakes, and is advantageously implemented the intelligent brake of vehicle.
Description
Technical field
The brakes of automobile is the utility model is related to, more particularly, to a kind of brakes suitable for pure electric vehicle.
Background technology
The vacuum servo that existing brake system of car generally includes a brake pedal, is connected with brake pedal
Device, vacuum booster is connected by pipeline with the air inlet pipe of engine, so that the side of vacuum booster can form vacuum, according to
By the draught head of vacuum booster both sides, amplify the driving force of brake pedal, and then brake cylinder is exported high-pressure brake oil, enter
And the caliper action of hydraulic driving system, to realize the braking of vehicle.At present, pure electric automobile has been increasingly entering
Average family, it is typically to set up a vavuum pump, to make vacuum booster therefore because pure electric automobile does not have engine
Produce a vacuum chamber.But on the one hand vavuum pump can increase the consumption of the noise and electric energy when vehicle travels, on the other hand,
Using the brakes of vacuum booster due to needing the mechanical action with a brake pedal, therefore, it is difficult to realize vehicle
Intelligent brake.
One kind disclosed " deceleration of Intelligent collision prevention system of automobile and brake actuator " in Chinese patent literature, it is public
It number is CN204978616U to accuse, including original brake system of car, in addition to secondary brake system, secondary brake system include
Stepper motor, cam, piston rod and the pipeline for the hydraulic oil that circulates, the stepper motor are fixedly connected with cam, cam with
Piston rod is connected, and above-mentioned stepper motor, cam and piston rod collectively form an integrated model, and its integrated model can simulate pin and step on
The action of pedal, the action slowed down or braked so as to control secondary brake system to complete.The utility model is according to central processing unit
Judgement, in time and reliably make it is corresponding perform action, so as to the generation effectively to avoid traffic accident, be advantageous to automobile
The popularization of intelligent anti-collision system.However, the utility model still has following problem：Need to set two brakings being mutually juxtaposed
System, two brakes still use the structure and technology of existing brake system of car, when the shape of sensor senses vehicle
During state, drive simulating people's pin is made by stepper motor, cam, piston rod etc. and touched on the brake the action of pedal, to realize intelligence system
It is dynamic.So, overall structure is become extremely complex, significantly increase the appearance and size of brakes, at the same it is unfavorable
In implementing on pure electric automobile.
Utility model content
The purpose of this utility model is complicated, unsuitable pure present in existing brake system of car in order to solve
The problem of electric automobile is implemented and is unfavorable for realizing intelligent brake, there is provided a kind of brakes of electric car, its overall structure
Simply, it is adapted to implement on pure electric automobile, and the power consumption of brakes can be significantly decreased, and is advantageously implemented car
Intelligent brake.
To achieve these goals, the utility model uses following technical scheme：
A kind of brakes of electric car, including gas pedal, brake pedal, to drive caliper act brake oil
Cylinder, the differential mechanism to drive the motor of vehicle traveling, be connected with motor, in addition to a braking accumulation of energy dress
Put, it is described braking energy storage equipment include wireline reel, be set in outside wireline reel winding external toothing, it is associated with brake pedal to
The automatically controlled lock device of master of locking wireline reel, the ratchet that winding external toothing rotation direction can be limited, in wireline reel and winding external toothing
Between be provided with wind spring, the inner of wind spring is connected on wireline reel, and the outer end of wind spring is connected on winding external toothing, and wireline reel passes through
Disengaging type linear transmission is connected with the piston rod of brake cylinder, and disengaging type linear transmission is stepped on including one with brake
The associated first clutch of plate, is provided with the main clutch associated with gas pedal, institute between motor and differential mechanism
State and disengaging type one-way driving mechanism is provided between differential mechanism and winding external toothing, disengaging type one-way driving mechanism includes one with stopping
The associated second clutch of car pedal, the disengaging type one-way driving mechanism include being arranged between main clutch and differential mechanism
Final drive shaft on clutch gear on clutch tooth wheel shaft of towing astern gear, clutch tooth wheel shaft, empty set, clutch gear and towing astern
Gear is meshed, and the second clutch is the second synchronizer being arranged on clutch tooth wheel shaft, towing astern gear and final drive shaft
The axis hole madial wall of cooperation is provided with ratchet, and final drive shaft is provided with corresponding elastic pawl, when final drive shaft rotates forward,
Ratchet screens is in ratchet, final drive shaft driving towing astern pinion rotation；When final drive shaft rotates backward, ratchet is sliding on ratchet
Cross, formed and relatively rotated between final drive shaft and towing astern gear.
The utility model has abandoned the vacuum booster of existing brakes, using a wind spring as energy-accumulating element.This
Sample, when normal vehicle operation, driver steps on the throttle pedal, and main clutch engagement, motor drives car by differential mechanism
Traveling, and first, second clutch can be effectively isolated motor with braking energy storage equipment, when avoiding normal vehicle operation
Occur interfering phenomenon between the two；When needing braking, driver steps on brake pedal, and associated with brake pedal the
First, second clutch is all engaged, and main automatically controlled lock device release, now gas pedal is failure to actuate, and the power of motor is led
Clutch is separated without passing to differential mechanism.Wind spring then discharges and drives wireline reel to rotate, so as to pass through disengaging type straight-line transmitting
The rotating speed of wireline reel is converted into the linear motion of brake cylinder piston rod by dynamic device, and brake cylinder is the brake of exportable high pressure
The braking of vehicle is realized in oil, now caliper action.At the same time, braking wheel towing astern differential mechanism rotate, and then by from
Box-like one-way driving mechanism towing astern winding external toothing rotates, and wind spring is wound accumulation of energy, that is to say, that the braking energy of vehicle is rolled up
Spring absorbs, and stores energy while wind spring is released energy in a braking procedure again, on the one hand can effective land productivity
With the braking energy of vehicle, while the braking effect of vehicle can be improved；When brake pedal unclamps, first, second clutch is thought highly of
New to switch to disengaged condition, main automatically controlled lock device locking wireline reel, ratchet then prevents to wind external toothing revolution, so that wind spring is protected
Energy accumulating state is held, disengaging type linear transmission now makes the piston rod of brake cylinder and wireline reel be in disengaged condition, because
This, the back-moving spring in brake cylinder can drive piston rod to retreat reset, to carry out braking next time.It is appreciated that
After we are setting corresponding sensor on vehicle, you can perceive the traveling shape such as speed, distance of front and rear barrier of vehicle
Condition, vehicle control device can control the action of first, second clutch, main automatically controlled lock device etc. according to the signal of sensor, from
And conveniently realize the intelligent brake of vehicle.That is, car can be achieved using a set of braking energy storage equipment in the utility model
Artificial braking and intelligent brake, can be significantly simplified structure, reduce energy consumption, be easy to implement on pure electric vehicle.It is special
It is not that ratchet and ratchet are provided between final drive shaft and towing astern gear, so, vehicle is counter-rotational when moving backward braking
Differential mechanism can not drive winding external toothing to rotate backward, so that it is guaranteed that effective work of energy storage equipment, and the second synchronizer is easy to
Electric control clutch is realized, is advantageously implemented intelligent brake.
Preferably, the disengaging type linear transmission include fixed rack, be slidably connected in fixed rack from
The driving gear that carry-over bar, empty set engage on wireline reel with driven rack, the piston rod of the driven rack and brake cylinder
It is connected, the first clutch is the first synchronizer being arranged on wireline reel, when the first synchronizer engages with driving gear
When, driving gear forms a fixed connection with wireline reel；When the first synchronizer and driving gear disengage, driving gear and wireline reel
Form rotation connection.
The transmission mechanism being made up of driving gear and driven rack is simple and reliable, and synchronizer is the existing dress in speed changer
Put, it is easy to implement electric control clutch, so as to be advantageously implemented intelligent brake.
Preferably, the automatically controlled lock device of master includes locking electromagnet, the spreadet spreadet wheel being arranged on wireline reel, it is described
Locking electromagnet is provided with the locking tooth engaged with spreadet spreadet wheel.
Locking tooth can make spreadet spreadet wheel secure ratcs, and can significantly decrease and the driving force of locking electromagnet is wanted
Ask, be easy to implement automatically controlled, be advantageously implemented intelligent brake
Therefore, the utility model has the advantages that：Overall structure is simple, is adapted to implement on pure electric automobile,
And the power consumption of brakes can be significantly decreased, and is advantageously implemented the intelligent brake of vehicle.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the stroke limit structural representation of driven rack.
In figure：1st, motor 2, main clutch 21, main clutch 3, brake cylinder 4, differential mechanism 50, wireline reel
501st, spreadet spreadet wheel 51, winding external toothing 53, wind spring 60, fixed block 601, spacing hole 61, driven rack 611, limit
Bit length groove 62, driving gear 63, the first synchronizer 64, spacer pin 641, spacing ring 65, reseting pressuring spring 66, control-rod
661st, guiding surface 7, locking electromagnet 71, locking tooth 80, towing astern gear 81, clutch tooth wheel shaft 82, clutch gear 83,
Transition gear 84, the second synchronizer.
Embodiment
The utility model is further described with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, a kind of brakes of electric car, including gas pedal and brake pedal（Do not show in figure
Go out）, to drive brake cylinder 3 that caliper acts, driving motor 1 that vehicle travels, be connected with motor
The differential mechanism 4 connect and a braking energy storage equipment, are set associated with gas pedal between motor and differential mechanism
Main clutch 2, gas pedal therein can analog gasoline car throttle action, and connect based on the axle of main clutch and differential mechanism
Power transmission shaft 21.Certainly, we can also set decelerator between main clutch and differential mechanism, so as to simplify the speed control of vehicle
System, is easy to make full use of existing gasoline car technology.
Braking energy storage equipment of the present utility model includes wireline reel 50, the winding external toothing 51 being set in outside wireline reel, master
Automatically controlled lock device, the ratchet that winding external toothing rotation direction can be limited（Not shown in figure）, wireline reel and winding external toothing it
Between be provided with wind spring 53, the inner of wind spring is connected on wireline reel, and the outer end of wind spring is connected on winding external toothing.When wireline reel just
To when rotating or winding external toothing rotates backward, wind spring is tightly wound around on wireline reel and accumulation of energy.Wireline reel passes through disengaging type
Linear transmission is connected with the piston rod of brake cylinder, and disengaging type linear transmission includes one and brake pedal
Associated first clutch, to make wireline reel optionally drive brake cylinder to act.And differential mechanism and winding external toothing
Between disengaging type one-way driving mechanism is then set, and disengaging type one-way driving mechanism include one it is associated with brake pedal
Second clutch, so that when vehicle is braked, wheel can wind external toothing by the reverse towing astern of differential mechanism and rotate backward.Master is automatically controlled
Lock device is associated with brake pedal, so as to optionally locking wireline reel.
Specifically, disengaging type linear transmission includes fixed rack 60, the driven tooth being slidably connected in fixed rack
The driving gear 62 that bar 61, empty set engage on wireline reel with driven rack, the piston rod of driven rack and brake cylinder pass through
Shaft coupling is connected.In addition, first synchronizer 63 is set on wireline reel, when the first synchronizer engages with driving gear
When, driving gear forms a fixed connection with wireline reel；When the first synchronizer and driving gear disengage, driving gear and wireline reel
Rotation connection is formed, so that the first synchronizer forms the first clutch in disengaging type linear transmission.
In addition, main automatically controlled lock device includes locking electromagnet 7, the spreadet spreadet wheel 501 being arranged on wireline reel, locking electromagnetism
The locking tooth 71 that is engaged with spreadet spreadet wheel is set on iron so that spreadet spreadet wheel enters lockup state, avoids the rotation of wireline reel.
When locking electromagnet energized action, you can transfered from one place to another under escort after driving locking tooth except the locking to spreadet spreadet wheel.
Further, disengaging type one-way driving mechanism includes the 80, clutches of towing astern gear being arranged on final drive shaft
Clutch gear 82 on clutch tooth wheel shaft of gear shaft 81, empty set, the transition gear 83 being fixedly installed on clutch tooth wheel shaft, from
Close gear to engage with towing astern gear, transition gear engages with winding external toothing.In addition, also need to set one on clutch tooth wheel shaft
Second synchronizer 84, when the second synchronizer engages with clutch gear, clutch gear forms a fixed connection with clutch tooth wheel shaft, this
When differential mechanism can impart power to winding external toothing；When the second synchronizer and clutch gear disengage, clutch gear and clutch
Gear shaft forms rotation connection, and now differential mechanism can not impart power to winding external toothing, so that the second synchronizer is formed
Second clutch in disengaging type one-way driving mechanism.Further, on the axis hole madial wall that towing astern gear and final drive shaft coordinate
Ratchet is set, set on final drive shaft corresponding to elastic pawl, tangential direction extension of the elastic pawl along final drive shaft, elastic spine
The end of pawl is flexibly in teeth groove of the screens between ratchet.When final drive shaft rotates forward, ratchet withstands ratchet, so that
Final drive shaft drives towing astern pinion rotation；When final drive shaft rotates backward, the end of ratchet slips on ratchet.Namely
Say, now final drive shaft can not deliver torque to towing astern gear.
The utility model has abandoned the vacuum booster of existing brakes, using a wind spring as energy-accumulating element, uses
To drive the action of brake cylinder.When a vehicle is started, driver steps on the throttle pedal, the main clutch associated with gas pedal
Device engages, and motor drives vehicle to travel by differential mechanism.Now, first, second clutch associated with brake pedal
Both in disengaged condition, so as to which motor and braking energy storage equipment are effectively isolated, when avoiding normal vehicle operation
Between occur interfering phenomenon.Wireline reel locking, brake cylinder are then failure to actuate by main automatically controlled lock device；When needing braking,
Driver steps on brake pedal, and first, second clutch associated with brake pedal all engages, and main automatically controlled lock device is released
Put, now gas pedal is failure to actuate, and the power of motor is separated without passing to differential mechanism by main clutch.Wind spring is then released
Put and drive wireline reel to rotate, the driving gear on wireline reel drives driven rack to move, and then drives the work of brake cylinder
Stopper rod is mobile and exports the brake fluid of high pressure, and the braking of vehicle is realized in now caliper action.
At the same time, the wheel towing astern differential mechanism to slow down by braking rotates, so that the towing astern gear on final drive shaft
Rotate, and drive clutch gear to be rotated together with clutch tooth wheel shaft, now, transition gear drives winding external toothing to rotate, and makes volume
Spring winds accumulation of energy.That is, wind spring by wireline reel drive brake cylinder act while again by wheel towing astern wind and
Accumulation of energy, in order to skidding next time；When brake pedal unclamps, first, second clutch back switches to disengagement shape
State, main automatically controlled lock device locking wireline reel, ratchet then prevents to wind external toothing revolution, so that wind spring keeps energy accumulating state, this
When brake cylinder in back-moving spring piston rod can be driven to retreat reset, to carry out braking next time, and and brake cylinder
The connected driven rack of piston rod then drive driving gear to be dallied on wireline reel.It should be noted that we can be in vehicle
It is upper that corresponding sensor is set, to perceive the travel conditions such as the speed of vehicle, the distance of front and rear barrier, vehicle control device
The action of first, second clutch, main automatically controlled lock device etc. is controlled according to the signal of sensor, so as to conveniently realize vehicle
Intelligent brake.
Finally, we can also set the spacing elongated slot axially extended at the back side that driven rack is located in fixed rack
611, correspond on fixed rack and some spacing holes 601 being arranged side by side vertically are set at spacing elongated slot, spacing hole includes centre
The larger less pilot hole of accommodating hole and both ends, so that spacing hole is poroid in ladder.Spacer pin 64 is set in spacing hole,
The spacing ring 641 that can be moved in accommodating hole is set among spacer pin, and the both ends of spacer pin fit in spacing hole both ends respectively
Pilot hole in, be arranged a reseting pressuring spring for compressing spacing ring 65 on the spacer pin in accommodating hole, reseting pressuring spring driving
Spacer pin moves away from driven rack side.That is, now the inner of spacer pin separates with spacing elongated slot, and it is spacing
The outer end of pin is exposed to outside spacing hole.In addition, outside of the fixed rack away from driven rack sets moveable control-rod 66, should
Control-rod is associated with a stepper motor by corresponding transmission mechanism, end set the leading towards spacer pin side of control-rod
To inclined-plane 661, so that stepper motor can be moved axially by transmission mechanism drive control bar.Certainly, we also need to stopping
Corresponding position sensor is set on car pedal, to export corresponding brake pedal position signal to controller.
When needing braking, driver steps on brake pedal, and position sensor exports corresponding brake pedal to controller
Position signalling, controller controls stepper motor to rotate corresponding angle, so that control-rod moves forward a certain distance, this
When control boom end guiding surface extruding above several spacer pins outer end, the spacer pin being extruded is moving inwardly into spacing
In elongated slot.At the same time, wind spring drives wireline reel to rotate, and the driving gear on wireline reel drives driven rack to move, driven
The spacing elongated slot of rack behind mobile distance corresponding with the displacement of brake pedal by the stop of spacer pin, and then
Drive the piston rod of brake cylinder mobile and export the brake fluid of high pressure, the braking of vehicle is realized in now caliper action.Also
It is to say, when the displacement difference of control-rod, the number for the spacer pin that control-rod is extruded is also different, correspondingly, driven tooth
The mobile distance of bar institute is also different.By controlling the displacement of driven rack, the action of brake cylinder can be efficiently controlled
Amplitude, to accurately control the brake force of caliper.
Claims (3)
1. a kind of brakes of electric car, including gas pedal, brake pedal, driving the brake oil that caliper acts
Cylinder, the differential mechanism to drive the motor of vehicle traveling, be connected with motor, it is characterized in that, in addition to a system
Dynamic energy storage equipment, the braking energy storage equipment include wireline reel, the winding external toothing being set in outside wireline reel, with brake pedal phase
Associate the automatically controlled lock device of master to locking wireline reel, the ratchet of winding external toothing rotation direction can be limited, in wireline reel and volume
Wind spring is provided between external toothing, the inner of wind spring is connected on wireline reel, and the outer end of wind spring is connected on winding external toothing, volume
It is connected around axle by disengaging type linear transmission with the piston rod of brake cylinder, disengaging type linear transmission includes one
The first clutch associated with brake pedal, between motor and differential mechanism be provided with the master associated with gas pedal from
Clutch, disengaging type one-way driving mechanism is provided between the differential mechanism and winding external toothing, disengaging type one-way driving mechanism includes
One second clutch associated with brake pedal, the disengaging type one-way driving mechanism include be arranged on main clutch with it is poor
The clutch gear of towing astern gear, clutch tooth wheel shaft, empty set on clutch tooth wheel shaft on final drive shaft between fast device, clutch tooth
Wheel is meshed with towing astern gear, and the second clutch is the second synchronizer being arranged on clutch tooth wheel shaft, towing astern gear and
The axis hole madial wall that final drive shaft coordinates is provided with ratchet, final drive shaft be provided with corresponding to elastic pawl, when final drive shaft just
To when rotating, ratchet screens is in ratchet, final drive shaft driving towing astern pinion rotation；When final drive shaft rotates backward, ratchet
Slipped on ratchet, formed and relatively rotated between final drive shaft and towing astern gear.
2. a kind of brakes of electric car according to claim 1, it is characterized in that, the disengaging type linear transmission
The master engaged including fixed rack, the driven rack being slidably connected in fixed rack, empty set on wireline reel with driven rack
Moving gear, the driven rack are connected with the piston rod of brake cylinder, and the first clutch is to be arranged on wireline reel
First synchronizer, when the first synchronizer engages with driving gear, driving gear forms a fixed connection with wireline reel；When first same
When walking device with driving gear disengagement, driving gear is formed with wireline reel and is rotatablely connected.
3. a kind of brakes of electric car according to claim 1, it is characterized in that, the automatically controlled lock device of master includes lock
Only electromagnet, the spreadet spreadet wheel being arranged on wireline reel, the locking electromagnet are provided with the locking tooth engaged with spreadet spreadet wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720458806.4U CN206734284U (en) | 2017-04-27 | 2017-04-27 | A kind of brakes of electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720458806.4U CN206734284U (en) | 2017-04-27 | 2017-04-27 | A kind of brakes of electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206734284U true CN206734284U (en) | 2017-12-12 |
Family
ID=60562964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720458806.4U Active CN206734284U (en) | 2017-04-27 | 2017-04-27 | A kind of brakes of electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206734284U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109131640A (en) * | 2018-10-16 | 2019-01-04 | 深圳市今天国际智能机器人有限公司 | Omnidirectional's steering wheel |
| CN109910624A (en) * | 2019-02-28 | 2019-06-21 | 北方众联新能源科技有限公司 | Energy recycle device and vehicle |
| CN111806613A (en) * | 2019-04-10 | 2020-10-23 | 温州大学瓯江学院 | Bicycle start-stop device |
| CN113002505A (en) * | 2021-03-18 | 2021-06-22 | 湖南机电职业技术学院 | Intelligent automobile drive-by-wire brake device |
-
2017
- 2017-04-27 CN CN201720458806.4U patent/CN206734284U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109131640A (en) * | 2018-10-16 | 2019-01-04 | 深圳市今天国际智能机器人有限公司 | Omnidirectional's steering wheel |
| CN109910624A (en) * | 2019-02-28 | 2019-06-21 | 北方众联新能源科技有限公司 | Energy recycle device and vehicle |
| CN111806613A (en) * | 2019-04-10 | 2020-10-23 | 温州大学瓯江学院 | Bicycle start-stop device |
| CN113002505A (en) * | 2021-03-18 | 2021-06-22 | 湖南机电职业技术学院 | Intelligent automobile drive-by-wire brake device |
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Address after: 6 / F, Xintu building, 451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province, 310051 Patentee after: Zhejiang Zero run Technology Co.,Ltd. Address before: 6 / F, Xintu building, 451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province, 310051 Patentee before: ZHEJIANG LEAPMOTOR TECHNOLOGY Co.,Ltd. |
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