CN104760584B - Brake power-assisted safety assisting system - Google Patents

Brake power-assisted safety assisting system Download PDF

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Publication number
CN104760584B
CN104760584B CN201510097617.4A CN201510097617A CN104760584B CN 104760584 B CN104760584 B CN 104760584B CN 201510097617 A CN201510097617 A CN 201510097617A CN 104760584 B CN104760584 B CN 104760584B
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CN
China
Prior art keywords
pipeline
vacuum
engine
vacuum accumulator
ecu
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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.)
Expired - Fee Related
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CN201510097617.4A
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Chinese (zh)
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CN104760584A (en
Inventor
贾锡祥
沈明英
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Chongqing Telecommunication Polytechnic College
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Chongqing Telecommunication Polytechnic College
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Priority to CN201510097617.4A priority Critical patent/CN104760584B/en
Publication of CN104760584A publication Critical patent/CN104760584A/en
Application granted granted Critical
Publication of CN104760584B publication Critical patent/CN104760584B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T13/00Transmitting 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
    • B60T13/10Transmitting 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
    • B60T13/24Transmitting 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
    • B60T13/46Vacuum systems
    • B60T13/52Vacuum systems indirect, i.e. vacuum booster units

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

The invention discloses one kind brake power-assisted safety assisting system, including:Vacuum accumulator, which is provided with a pressure sensor, and the pressure sensor is connected with the ECU of vehicle, for the negative pressure signal gathered in the vacuum accumulator and be transferred to the ECU;Vacuum pressure accumulation control device, it is connected between the engine of vehicle and the vacuum accumulator, and be connected with the ECU, for when the negative pressure in the vacuum accumulator is less than a preset value, by engine to the vacuum accumulator air-breathing increasing the negative pressure in the vacuum accumulator;Normally closed solenoid valve, it is connected between the vacuum accumulator and the brake boost pump of vehicle, and be connected with the ECU, for when the engine speed is zero, being opened so that the vacuum gas in the vacuum accumulator can enter the brake boost pump by the control of the ECU.Above-mentioned safety assisting system being capable of normal brake application in engine misses rear vehicle.

Description

Brake power-assisted safety assisting system
Technical field
The present invention relates to vehicle safety accessory system, more particularly to a kind of brake power-assisted safety assisting system.
Background technology
At present, the engine equipped with automatic transmission is more and more on the market, is closed always when automatic transmission breaks down During lock, touch on the brake and be easily caused engine misses, after engine misses air inlet pipe without vacuum, now automobile brake perfrmance urgency Play declines, and easily causes accident, the present invention be in order to solve that vehicle normal brake application can be ensured in a period of time after engine misses, And there is corresponding warning system to send a signal to engine computer restarting, reduce accident risk.
The content of the invention
For above-mentioned the deficiencies in the prior art, the technical problems to be solved by the invention are:There is provided one kind in the machine of change Flame-out rear vehicle is capable of the brake power-assisted safety assisting system of normal brake application.
In order to solve the above technical problems, one aspect of the present invention is:There is provided a kind of brake power-assisted auxiliary safely Auxiliary system, including:Vacuum accumulator, which is provided with a pressure sensor, and the pressure sensor is connected with the ECU of vehicle, is used for Gather the negative pressure signal in the vacuum accumulator and be transferred to the ECU;Vacuum pressure accumulation control device, is connected to the hair of vehicle Between motivation and the vacuum accumulator, and it is connected with the ECU, for when the negative pressure in the vacuum accumulator is less than one pre- If during value, by engine to the vacuum accumulator air-breathing increasing the negative pressure in the vacuum accumulator;Normally closed solenoid valve, It is connected between the vacuum accumulator and the brake boost pump of vehicle, and is connected with the ECU, for when the engine speed When being zero, opened by the control of the ECU so that the vacuum gas in the vacuum accumulator can be helped into the brake Power pump.
Further, the side of the vacuum pressure accumulation control device is connected by first and second pipeline with the engine Connect, opposite side is connected by the 3rd pipeline with the vacuum accumulator, a check valve, the list are provided with the 3rd pipeline It is used to the gas unidirectional in vacuum accumulator is flowed in the engine to valve;The brake boost pump passes through one the 4th pipeline It is connected with the vacuum accumulator, the normally closed solenoid valve is on the 4th pipeline.
Further, also including one the 5th pipeline, the 5th pipeline is connected to the vacuum pressure accumulation control device and institute State brake boost pump between, with when vehicle be in engine misses driving states when, brake boost pump can by the 5th pipe Road enables the vehicle to normal brake application using the vacuum gas that vacuum is stored inside pressing device.
Further, the vacuum pressure accumulation control device includes a valve element and located at the first of the valve element two ends and the Two valve bodies, described first and second valve body is connected in the ECU;It is not when the speed of vehicle is not equal to zero, engine speed Zero, and TPS, when being idle signal and brakeless signal, the ECU detects vacuum storage by the pressure sensor It is described when the ECU controls first valve body to produce suction to the valve element when negative pressure in depressor is less than above-mentioned preset value Valve element is moved so that engine is connected with the vacuum accumulator towards the direction of first valve body;If vehicle is in normal driving During state, then when the ECU controls second valve body to produce suction to the valve element, the valve element is towards second valve body Direction is moved so that the engine is connected with the brake boost pump;When the engine speed is zero, then first and Second valve body does not produce suction to the valve element, the valve element return, make the engine and the vacuum accumulator and Brake boost pump is not connected.
Further, the valve element include housing and the insert body in the housing, it is described first and second Valve body is respectively arranged on the upper/lower terminal of the housing, and one end of first and second pipeline is connected to the side of the housing, The other end is connected to engine, and one end of the 3rd pipeline is connected to the opposite side of the housing, the 3rd pipeline it is another One end is connected to the vacuum accumulator, and one end of the 5th pipeline is connected to the opposite side of the housing, the 5th pipe The other end in road is connected to the brake boost pump;The insert body includes vertically disposed first and second horizontal core and erects The straight perpendicular core being located on first and second horizontal core, when first and second valve body does not produce suction to the valve element, two is horizontal First and second pipeline is blocked in the side of core respectively;When first valve body produces suction to the valve element, the valve element sheet Body is moved up so that first and second pipeline is in unplugged state, and the second horizontal core below the first horizontal core blocks the 5th pipe Road is so that first and the 3rd pipeline communication;When second valve body produces suction to the valve element, the insert body is downward Move, the first horizontal core blocks the 3rd pipeline, make second and the 5th pipeline communication.
Further, also including the 6th and the 7th pipeline, the 6th and the 7th pipe is managed with described first and second respectively Road is set up in parallel, and the 6th and the 7th pipeline is respectively on first pipeline, under second pipe.
Brake power-assisted safety assisting system of the invention, compared to existing technology, has the advantages that:
The present apparatus is stored by the cooperation between the original papers such as magnetic valve, check valve, ECU, sensor and discharges vacuum, this Plant installation cost relatively low, be adapted to any vehicle and install, after vehicle stall, brake boost pump also can smoothly from vacuum accumulator Inside obtain vacuum pressure, to help vehicle can normal braking, reduce vehicle because flame-out rear braking braking occur it is abnormal draw The security incident for rising, greatly increases personal safety, vehicle safety.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the off working state schematic diagram of present invention brake power-assisted safety assisting system.
Fig. 2 is the working state schematic representation after insert body is moved up in Fig. 1.
Fig. 3 is the working state schematic representation after insert body is moved down in Fig. 1.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
First, before being described to embodiment, it is necessary to which some herein presented terms are explained.Example Such as:
If occurring describing various elements using the term such as " first ", " second " herein, but these elements should not Limited by these terms.These terms are only used for distinguishing an element and another element.Therefore, " first " element can also It is referred to as " second " element without departing from the teachings of the present invention.
In addition, it is to be understood that when an element " connection " is referred to or " coupled " to another element, it can be direct Ground connection is directly coupled to another element or can also there is intermediary element.On the contrary, work as referring to an element " directly When connection " or " directly coupling " are to another element, then in the absence of intermediary element.
The various terms for occurring herein are used only for describing the purpose of specific embodiment and are not intended as to this The restriction of invention.Unless context is clearly dictated otherwise, then singulative is intended to also include plural form.
When in this manual using term " including " and/or when " including ", these terms specify the feature, The presence of entirety, step, operation, element and/or part, but be also not excluded for more than one other feature, entirety, step, The presence of operation, element, part and/or its group and/or additional.
On embodiment:
Fig. 1 to Fig. 3 is referred to, Fig. 1 is that the state of brake power-assisted safety assisting system after engine misses is illustrated Figure, Fig. 2 is when engine does not stop working and do not step on the gas and brake(That is TPS sensor(Throttle Position Senser, TPS)During for idle signal and brakeless signal)Brake power-assisted safety assisting system work shape State figure, Fig. 3 is that automobile is in transport condition, i.e. engine in rotary regimes and steps on the gas or power-assisted of being braked when touching on the brake The working state figure of safety assisting system.
The brake power-assisted safety assisting system of the present embodiment, including:Vacuum accumulator 1, which is provided with a pressure sensor 2, the pressure sensor 2 is connected with the ECU of vehicle, for the negative pressure signal gathered in the vacuum accumulator 1 and is transferred to institute State ECU;Vacuum pressure accumulation control device 3, is connected between the engine of vehicle and the vacuum accumulator 1, and connects with the ECU Connect, for when the negative pressure in the vacuum accumulator 1 is less than a preset value, being inhaled to the vacuum accumulator 1 by engine Gas is increasing the negative pressure in the vacuum accumulator 1;Normally closed solenoid valve 4, is connected to the vacuum accumulator 1 and is helped with the brake of vehicle Between power pump, and be connected with the ECU, for when the engine speed is zero, being opened by the control of the ECU so that Vacuum gas in the vacuum accumulator 1 can enter the brake boost pump 5.Specifically:
The side of the vacuum pressure accumulation control device 3 is connected by first and second pipeline 61,62 with the engine, separately Side is connected by the 3rd pipeline 63 with the vacuum accumulator 1, and a check valve 631, institute are provided with the 3rd pipeline 63 Check valve 631 is stated for making the gas unidirectional in vacuum accumulator 1 flow in the engine;The brake boost pump 5 passes through One the 4th pipeline 64 is connected with the vacuum accumulator 1, and the normally closed solenoid valve 4 is on the 4th pipeline 64.
The brake power-assisted safety assisting system also includes one the 5th pipeline 65, and the 5th pipeline 65 is connected to described true Between empty pressure accumulation control device 3 and the brake boost pump 5, so that when vehicle is in normal driving states, brake the energy of boost pump 5 The vacuum gas of engine interior are enough suctioned out by the vacuum pressure accumulation control device 3 to enable the vehicle to normal brake application.Can be with Understand, in other examples, the brake boost pump 5 directly can also be connected with the engine, also can directly pass through 5th pipeline 65 is connected with the engine, it is not necessary to be connected with the engine by the vacuum pressure accumulation control device 3.
The vacuum pressure accumulation control device 3 includes a valve element and first and second valve body located at the valve element two ends 31st, 32, described first and second valve body 31,32 is connected in the ECU;When the ECU is detected by the pressure sensor 2 When being less than above-mentioned preset value to the negative pressure in the vacuum accumulator 1, the ECU controls described first valve body, 31 pairs of valve elements When producing suction, the valve element is moved so that engine is connected with the vacuum accumulator 1 towards the direction of first valve body 31; When the vacuum accumulator 1 need not increase negative pressure, if vehicle is in driving states, the ECU controls described second When the valve element of valve body 32 pairs produces suction, the valve element moved towards the direction of second valve body 32 so that the engine with The brake boost pump 5 is connected;When the engine speed is zero, then the first and the secondth 32 pairs of valve elements of valve body are not Producing suction, the valve element return makes the engine not connected with the vacuum accumulator 1 and brake boost pump 5.On State pressure sensor 2 and use MAP pressure sensors(Manifold Absolute Pressure Senser, admission pressure sensing Device).
It should be understood that in other examples, when the brake boost pump 5 is directly connected or passes through with engine When 5th pipeline 65 is connected with the engine, vacuum pressure accumulation control device 3 then can only include a valve element and a valve body, described Valve body is used for low by one in the negative pressure that the vacuum accumulator 1 is detected as the ECU located at one end of the valve element, the valve body Suction is produced to valve body during preset value, so that the first pipeline 61 and the 3rd pipeline 63 are connected, in this embodiment, the vacuum stores Pressure control device 3 during unlatching, makes vacuum accumulator 1 be connected with engine equivalent to a switch, engine is extracted vacuum out and stores Gas in depressor 1, makes the negative pressure in vacuum accumulator 1 reach certain value, to facilitate when when engine accident extinguishing, vacuum Vacuum gas in accumulator 1 can be supplied to brake boost pump 5 to enable the vehicle to normal brake application.It is also understood that, In other embodiments, the structure of the vacuum pressure accumulation control device 3 can also have other changes, as long as the vacuum pressure accumulation is controlled Device 3 can touch on the brake or during throttle in engine rotation and not, opened by the control of ECU.
In the present embodiment, the valve element includes housing 33 and the insert body 34 in the housing 33, described the One and second valve body 31,32 be respectively arranged on the upper/lower terminal of the housing 33, one end of first and second pipeline 61,62 The side of the housing 33 is connected to, the other end is connected to engine, and one end of the 3rd pipeline 63 is connected to the housing 33 opposite side, the other end of the 3rd pipeline 63 is connected to the vacuum accumulator 1, and one end of the 5th pipeline 65 connects The opposite side of the housing 33 is connected to, the other end of the 5th pipeline 65 is connected to the brake boost pump 5.
The insert body 34 includes vertically disposed first and second horizontal core 341,342 and vertical is located in first And the second perpendicular core 343 on horizontal core 341,342, they are integrally formed, when first and second valve body 31,32 is not produced to the valve element During raw suction, first and second pipeline 61,62 is blocked in the side of two horizontal cores respectively;When first valve body, 31 pairs of valve elements are produced During raw suction, the insert body 34 is moved up so that first and second pipeline 61,62 is in unplugged state, horizontal positioned at first Second horizontal core 342 of the lower section of core 341 blocks the 5th pipeline 65 so that first and the connection of the 3rd pipeline 61,63;When second valve When the valve element of body 32 pairs produces suction, to moving down, the first horizontal core 341 blocks the 3rd pipeline 63 to the insert body 34, Make second and the connection of the 5th pipeline 62,65.In this example, the upper/lower terminal of the insert body 34 is respectively equipped with a spring 35, uses In when the first valve body 31 or the second valve body 32 do not produce suction to insert body 34, make the more preferable return of insert body 34.
Rotary regimes are in when the speed of vehicle is not equal to zero, engine(That is CPK sensors(Crankshaft Position Senser, crankshaft position sensor)The tach signal for detecting is not zero, and for example engine is in 2000r/min More than)And when TPS is idle signal and brakeless signal, ECU is by the MAP pressure sensors to the vacuum accumulator Negative pressure in 1 detected, when detect the vacuum accumulator 1 it is weaker when, such as when detecting the vacuum accumulator 1 Negative pressure be less than the in-engine negative pressure when, then ECU control the first valve body 31 produce suction, make insert body 34 upwards move It is dynamic.When first valve body, 31 pairs of valve elements produce suction, the insert body 34 is moved upwards so that first and second is managed Road 61,62 is in unplugged state, and the second horizontal core 342 positioned at the lower section of the first horizontal core 341 blocks the 5th pipeline 65 so that first, the Two and the 3rd pipeline 61,62,63 is connected, and mainly makes first and the connection of the 3rd pipeline 61,63(Refer to Fig. 2), in this condition, institute State engine from vacuum accumulator 1 suction so that the vacuum accumulator 1 negative pressure increase.In the present embodiment, the ECU is also Negative pressure value to the vacuum accumulator 1 sets a peak suction value, when the negative pressure in the vacuum accumulator 1 reaches this most During big negative pressure value, the check valve 631 is closed.
When vehicle is in normal driving states, engine has rotating speed and has brake signal or have TPS to believe for non-idling Number when, i.e., engine be in non-zero rotary regimes under and have touch on the brake or throttle state when;ECU controls second valve The valve element of body 32 pairs produces suction so that the insert body 34 is to moving down, and the first horizontal core 341 blocks the 3rd pipeline 63, Make first, second and the connection of the 5th pipeline 61,62,65, mainly make second and the connection of the 5th pipeline 62,65(Refer to Fig. 3), at this Under state, brake boost pump 5 passes through engine suction to enable the vehicle to normal brake application.
When engine is in flameout state, ECU does not control first and second valve body 31,32, i.e. first and second valve body 31st, 32 suction can not be produced to the insert body 34, the side of first and second horizontal core 341,342 blocks first and the respectively Two pipelines 61,62, and the 3rd and the 5th pipeline 63,65 is not blocked then by the pipeline(Refer to Fig. 1), in this condition, it is located at Brake boost pump 5 on 4th pipeline 64 is opened, and brake boost pump 5 is obtained by the 4th pipeline 64 from the vacuum accumulator 11 Vacuum is so that the vehicle being capable of normal brake application.
In the present embodiment, Equilibrium vacuum effect during in order to keep the vacuum pressure accumulation control device 3 to open up or down In the power of valve element upper and lower surface, be additionally provided with the 6th and the 7th pipeline 66,67, they respectively with described first and second pipeline 61st, 62 simultaneously example setting, the i.e. first end of the 6th and the 7th pipeline 66,67 is connected with vacuum pressure accumulation control device 3 and is located at respectively On first pipeline 61 and under second pipe 62, the second end is connected with the engine.6th and the 7th pipeline 66,67 It is mainly used in playing a balanced action to the gas in the vacuum pressure accumulation control device 3.When insert body 34 is moved up When, the first pipeline 61 is connected with the 3rd pipeline 63, and under second pipe 62, the 7th pipeline 67 and vacuum pressure accumulation control device 3 End connection, the 6th pipeline 66 is connected with the upper end of vacuum pressure accumulation control device 3, because the six, the 7th, second pipe 62 is all in even Logical state, now the pressure of three is identical, but the power for acting on valve body upper and lower surface is identical in opposite direction, and this part power is supported Disappear, do not interfere with magnetic valve unlatching.
Of the prior art, engine misses rear braking braking cisco unity malfunction, when vehicle is when going up a slope flame-out, drives Member may not step on brake to die because vacuum servo is lost, then vehicle is possible to bump against vehicle below to downslide. And the brake power-assisted safety assisting system of the present embodiment, after engine misses, ECU control normally closed solenoid valves 4 are opened, and make brake Boost pump 5 directly can obtain suction to enable the vehicle to normal brake application by vacuum accumulator 1, increased personal safety, car Safety, reduces the incidence of traffic accident.
Embodiments of the present invention are these are only, the scope of the claims of the invention is not thereby limited, it is every using the present invention Equivalent structure or equivalent flow conversion that specification and accompanying drawing content are made, or directly or indirectly it is used in other related technologies Field, is included within the scope of the present invention.

Claims (3)

1. a kind of brake power-assisted safety assisting system, including:
Vacuum accumulator, which is provided with a pressure sensor, and the pressure sensor is connected with the ECU of vehicle, described for gathering Negative pressure signal in vacuum accumulator is simultaneously transferred to the ECU;
Vacuum pressure accumulation control device, is connected between the engine of vehicle and the vacuum accumulator, and is connected with the ECU, For when the negative pressure in the vacuum accumulator is less than a preset value, by engine to the vacuum accumulator air-breathing increasing Plus the negative pressure in the vacuum accumulator;
Normally closed solenoid valve, is connected between the vacuum accumulator and the brake boost pump of vehicle, and is connected with the ECU, is used for When the engine speed is zero, the vacuum gas energy so that in the vacuum accumulator is opened by the control of the ECU Enough enter the brake boost pump;The side of the vacuum pressure accumulation control device passes through first and second pipeline and the engine Connection, opposite side is connected by the 3rd pipeline with the vacuum accumulator, and a check valve is provided with the 3rd pipeline, described Check valve is used to make the gas unidirectional in vacuum accumulator flow in the engine;The brake boost pump is by one the 4th pipe Road is connected with the vacuum accumulator, and the normally closed solenoid valve is on the 4th pipeline;Also include one the 5th pipeline, it is described 5th pipeline is connected between the vacuum pressure accumulation control device and the brake boost pump, and engine misses are in when vehicle Driving states when, brake boost pump can be enabled the vehicle to using the vacuum gas inside vacuum accumulator by the 5th pipeline Enough normal brake applications;The vacuum pressure accumulation control device includes a valve element and first and second valve located at the valve element two ends Body, described first and second valve body is connected in the ECU;
Be not zero when the speed of vehicle is not equal to zero, engine speed, and TPS be idle signal and brakeless signal when, institute When stating ECU and detecting negative pressure in the vacuum accumulator by the pressure sensor and be less than above-mentioned preset value, the ECU controls When making first valve body to valve element generation suction, the valve element is moved so that engine towards the direction of first valve body Connected with the vacuum accumulator;
If vehicle is in normal driving states, when the ECU controls second valve body to produce suction to the valve element, institute Valve element is stated to be moved towards the direction of second valve body so that the engine is connected with the brake boost pump;
When the engine speed is zero, then the first and the secondth valve body does not produce suction, the valve element to the valve element Return, makes the engine not connected with the vacuum accumulator and brake boost pump.
2. brake power-assisted safety assisting system as claimed in claim 1, it is characterised in that:The valve element includes housing and sets Insert body in the housing, described first and second valve body is respectively arranged on the upper/lower terminal of the housing, described first And one end of second pipe is connected to the side of the housing, the other end is connected to engine, and one end of the 3rd pipeline connects The opposite side of the housing is connected to, the other end of the 3rd pipeline is connected to the vacuum accumulator, the 5th pipeline One end is connected to the opposite side of the housing, and the other end of the 5th pipeline is connected to the brake boost pump;
The insert body includes vertically disposed first and second horizontal core and vertical is located on first and second horizontal core Perpendicular core, when first and second valve body not to the valve element produce suction when, first and second is blocked in the side of two horizontal cores respectively Pipeline;When first valve body produces suction to the valve element, the insert body is moved up so that first and second is managed Road is in unplugged state, and the second horizontal core below the first horizontal core blocks the 5th pipeline so that first and the 3rd pipeline communication; When second valve body produces suction to the valve element, to moving down, the first horizontal core blocks the 3rd pipe to the insert body Road, makes second and the 5th pipeline communication.
3. safety assisting system as claimed in claim 1 or 2, it is characterised in that:Also include the 6th and the 7th pipeline, described the Six and the 7th pipe is set up in parallel with described first and second pipeline respectively, and the 6th and the 7th pipeline is located at described first respectively On pipeline, under second pipe.
CN201510097617.4A 2015-03-05 2015-03-05 Brake power-assisted safety assisting system Expired - Fee Related CN104760584B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510097617.4A CN104760584B (en) 2015-03-05 2015-03-05 Brake power-assisted safety assisting system

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Application Number Priority Date Filing Date Title
CN201510097617.4A CN104760584B (en) 2015-03-05 2015-03-05 Brake power-assisted safety assisting system

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CN104760584B true CN104760584B (en) 2017-06-06

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106347336B (en) * 2016-11-14 2019-04-09 安徽格瑞卡新能源科技有限公司 A kind of intelligent automobile brake assist system
CN112519742B (en) * 2019-09-17 2022-01-07 比亚迪股份有限公司 Vehicle brake boosting control system and method, storage medium and vehicle

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