CN208439244U - A kind of automobile brake pedal and the vacuum booster using it - Google Patents

A kind of automobile brake pedal and the vacuum booster using it Download PDF

Info

Publication number
CN208439244U
CN208439244U CN201820644096.9U CN201820644096U CN208439244U CN 208439244 U CN208439244 U CN 208439244U CN 201820644096 U CN201820644096 U CN 201820644096U CN 208439244 U CN208439244 U CN 208439244U
Authority
CN
China
Prior art keywords
brake pedal
controller
air inlet
measuring part
connect
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201820644096.9U
Other languages
Chinese (zh)
Inventor
张盼道
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LucasVarity Langzhong Brake Co Ltd
Original Assignee
LucasVarity Langzhong Brake Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LucasVarity Langzhong Brake Co Ltd filed Critical LucasVarity Langzhong Brake Co Ltd
Priority to CN201820644096.9U priority Critical patent/CN208439244U/en
Application granted granted Critical
Publication of CN208439244U publication Critical patent/CN208439244U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Braking Systems And Boosters (AREA)

Abstract

The utility model discloses a kind of automobile brake pedals, are related to field of automobile brake, comprising: brake pedal (1);The brake pedal (1) connect with measuring part (3), and the measuring part (3) connect with controller (7);The measuring part (3), for measuring the displacement or brake force of the brake pedal (1);The controller (7) passes through the displacement or the air inlet aperture of the braking force control atmosphere chamber (4).And the vacuum booster using it.The push rod that can solve mechanical structure, being easy to fracture, perhaps service life is too short wants running check or replacement problem.

Description

A kind of automobile brake pedal and the vacuum booster using it
Technical field
The utility model relates to field of automobile brake, specifically a kind of automobile brake pedal and the vacuum servo using it Device.
Background technique
Currently, push rod one end in automobile vacuum booster is connect with brake pedal, push rod one end is pushed away with atmos-valve Bar is mechanical structure, the push rod of this mechanical structure, and being easy to fracture, perhaps service life is too short wants running check or replacement.
Summary of the invention
In view of this, the present invention provides a kind of automobile brake pedal and using its vacuum booster, to solve machine The push rod of tool structure, being easy to fracture, perhaps service life is too short wants running check or replacement problem.
In a first aspect, the utility model provides a kind of automobile brake pedal characterized by comprising
Brake pedal;
The brake pedal is connect with measuring part, and the measuring part is connect with controller;
The measuring part, for measuring the displacement or brake force of the brake pedal;
The controller passes through the displacement or the air inlet aperture of the braking force control atmosphere chamber.
Preferably, one end of the measuring part is connect with the brake pedal, the other end of the measuring part with Fixing piece connection.
Preferably, the measuring part, comprising: elastic component and force measuring instrument;
The force measuring instrument, the brake force that the elastic component is generated for measuring the brake pedal.
Preferably, the measuring part is displacement meter;
The measurement end of the displacement meter is in the inside of the brake pedal, and the other end of the displacement meter is in the fixing piece Outside.
Preferably, the fixing piece is rigid anchor;
The rigid anchor does not generate deformation.
Preferably, the fixing piece has cable hole, and the measuring part passes through the cable hole and the controller Connection;
The cable hole, for preventing the connecting line of the measuring part and the controller from winding or damage.
Preferably, the controller, connect with driving mechanism;
The driving mechanism controls the opening size of atmos-valve for receiving the opening degree instruction of controller.
Preferably, the controller, comprising: control unit;
Described control unit has memory, the proportionate relationship equipped with the displacement and air inlet aperture in the memory Or the proportionate relationship of the brake force and air inlet aperture, the air inlet aperture of atmosphere chamber is controlled by the proportionate relationship.
Preferably, the controller, further includes: driving circuit;
The driving circuit is connect with described control unit and the driving mechanism (8) respectively;
The driving circuit, the air inlet opening degree command for being issued according to described control unit, controls the driving machine Structure executes the air inlet opening degree command.
Preferably, the controller, further includes: the time relay;
Described control unit is connect with the time relay and the driving circuit respectively;
The time relay controls institute for comparing according to the duration and setting duration of the brake force State the air inlet opening degree command whether control unit issues.
Second aspect, the utility model provide a kind of vacuum booster, comprising:
Such as a kind of above-mentioned automobile brake pedal.
The utility model has the following beneficial effects:
Utility model provides a kind of automobile brake pedal and the vacuum booster using it, cancels traditional push rod, with solution The certainly push rod of mechanical structure, being easy to fracture, perhaps service life is too short wants running check or replacement problem.
Detailed description of the invention
By the description below with reference to attached drawing to the utility model embodiment, the above-mentioned and other mesh of the utility model , feature and advantage it is apparent, in the accompanying drawings:
Fig. 1 is a kind of vacuum booster structural schematic diagram of the utility model embodiment;
Fig. 2 is another brake pedal structure schematic diagram of the utility model embodiment;
Fig. 3 is that a kind of external atmosphere chamber aperture adjustable mechanism structure of vacuum booster of the utility model embodiment is shown It is intended to;
Fig. 4 is a kind of external atmosphere chamber aperture adjustable mechanism of vacuum booster of the utility model Fig. 3 embodiment Left view;
Fig. 5 is the structural schematic diagram of the second baffle of the utility model embodiment;
Fig. 6 is a kind of circuit block diagram of the pressure control device of automobile vacuum booster of the utility model embodiment;
Fig. 7 is a kind of control unit of the pressure control device of automobile vacuum booster of the utility model Fig. 6 embodiment Circuit block diagram;
Fig. 8 is the first pressure detection circuit of the utility model embodiment and the circuit theory of second pressure detection circuit Figure.
Specific embodiment
The utility model is described below based on embodiment, but it is worth noting that, the utility model is simultaneously unlimited In these embodiments.It is detailed to describe some specific detail sections below in the datail description of the utility model.So And for the part of no detailed description, the utility model can also be understood completely in those skilled in the art.
In addition, it should be understood by one skilled in the art that provided attached drawing is simply to illustrate that the utility model Objects, features and advantages, attached drawing are not to be actually drawn to scale.
Meanwhile unless the context clearly requires otherwise, "include", "comprise" etc. otherwise throughout the specification and claims Similar word should be construed as the meaning for including rather than exclusive or exhaustive meaning;That is, being " including but not limited to " Meaning.
Fig. 1 is a kind of vacuum booster structural schematic diagram of the utility model embodiment.As shown in Figure 1, a kind of vacuum helps A kind of automobile brake pedal of power device, comprising: brake pedal 1;Brake pedal 1 is connect with measuring part 3, measuring part 3 and control Device 7 processed connects;Measuring part 3, for measuring the displacement or brake force of brake pedal 1;Controller 7, by being displaced or making The air inlet aperture of dynamic Control atmosphere chamber 4.Atmos-valve could be taken out by then needing to dismantle atmosphere chamber with solution replacement atmos-valve, Atmos-valve standard-sized sheet or full pass can only be controlled by being easily damaged atmosphere chamber and push rod, cannot be carried out to the opening size of atmos-valve The problem of adjusting.
In Fig. 1, one end of measuring part 3 is connect with brake pedal 1, and the other end of measuring part 3 connects with fixing piece 2 It connects.
In Fig. 1, measuring part 3, comprising: elastic component 3-1 and force measuring instrument 3-2;Force measuring instrument 3-2, for measuring system The brake force that dynamic pedal 1 generates elastic component 3-1.
In Fig. 1, one end of fixing piece 2 is fixed in the main body of brake pedal 1, and fixing piece 2 is rigid anchor;Rigidity Fixing piece is not likely to produce deformation.
In Fig. 1, fixing piece 2 has cable hole, and measuring part 3 is connect by cable hole with controller 7;Cable hole, For preventing the connecting line of measuring part 3 and controller 7 from winding or damage.Specifically, preferred for the utility model It is that measuring part 3 and controller 7 are using the communication modes being wirelessly connected.
In Fig. 1, controller 7 is connect with driving mechanism 8;Driving mechanism 8, for receiving the opening degree instruction of controller 7, Control the opening size of atmos-valve 6.Driving mechanism 8 can choose stepper motor, also can choose hydraulic mechanism.
In Fig. 1 and Fig. 6, controller 7, comprising: control unit 73;Control unit 73 has memory, sets in memory There are the proportionate relationship of displacement and air inlet aperture or the proportionate relationship of brake force and air inlet aperture, is controlled by proportionate relationship The air inlet aperture of atmosphere chamber 4.Control unit 73 can be single-chip microcontroller or operational amplifier.The ratio of displacement and air inlet aperture The proportionate relationship of example relationship or brake force and air inlet aperture, those skilled in the art can be according to different types of brake pedal 1 Carry out test measurement.
In Fig. 1 and Fig. 6, driving circuit 72 is connect with control unit 73 and driving mechanism 8 respectively;Driving circuit 72 is used In the air inlet opening degree command issued according to control unit 73, controls driving mechanism 8 and execute air inlet opening degree command.Such as driving machine Structure 8 uses stepper motor, and driving circuit 72 can use motor-drive circuit;As driving mechanism 8 uses hydraulic mechanism, driving electricity Road 72 can use hydraulic-driven circuit.For those in the field, either motor-drive circuit and hydraulic-driven circuit It is all the prior art, such as: application No. is 201711009022.4 motor-drive circuits.
In Fig. 1 and Fig. 6, controller 7, further includes: the time relay 71;Control unit 73, respectively with the time relay 71 and driving circuit 72 connect;The time relay 71 is controlled for being compared according to the duration and setting duration of brake force The air inlet opening degree command whether control unit 73 processed issues.For those in the field, the time relay 71 is existing skill Art, such as: application No. is 201720601810.1 time relays.Specifically, the setting duration is generally no greater than 0.5 Second, it is illustrated for setting 0.5 second duration: if the duration of brake force is more than or equal to 0.5 second, being controlled Control unit 73 processed issues air inlet opening degree command, if the duration of brake force less than 0.5 second, illustrates that driver accidentally touches Brake pedal 1 is sent out, control control unit 73 does not issue air inlet opening degree command.
A kind of a kind of vacuum booster, comprising: above-mentioned automobile brake pedal.
Specifically, brake pedal 1 is connected on fixing piece 2 by measuring part 3, and measuring part 2 is used in Fig. 1 Power size caused by the displacement of measurement brake pedal 1 or brake pedal 1;Measuring part 3, comprising: elastic component 3-1 and power are surveyed Instrument 3-2 is measured, one end of force measuring instrument 3-2 is fixed on fixing piece 2, the other end (measurement end) and elastic component of force measuring instrument 3-2 One end of 3-1 connects, and the other end of elastic component 3-1 is connect with the inside of brake pedal 1.
Fig. 2 is another brake pedal structure schematic diagram of the utility model embodiment.As shown in Fig. 2, in Fig. 1 In, measuring part 3 or displacement meter;The measurement end of displacement meter is in the inside of brake pedal 1, and the other end of displacement meter is solid Determine the outside of part 2.Specifically, displacement meter uses multipoint displacement meter, the deformation in multiple sliding surfaces and region can be monitored.
Fig. 3 is that a kind of external atmosphere chamber aperture adjustable mechanism structure of vacuum booster of the utility model embodiment is shown It is intended to.Fig. 4 is a kind of left view of the external atmosphere chamber aperture adjustable mechanism of vacuum booster of the utility model Fig. 3 embodiment Figure.As shown in Figure 3 and Figure 4, a kind of external atmosphere chamber aperture adjustable mechanism of vacuum booster, comprising: atmosphere chamber 4;Atmosphere Chamber 4 has air inlet;The outside of the outside of air inlet and first baffle 6-2 airtight connection, first baffle 6-2 has second baffle 6-1;First baffle 6-2 has first baffle air admission unit 6-22;First baffle 6-2 and second baffle 6-1 are connected by axis 6-3 It connects;Second baffle 6-1 controls the air inlet aperture of atmosphere chamber 4 by covering first baffle air admission unit 6-22.To solve replacement Atmos-valve, which then needs to dismantle atmosphere chamber, to take out atmos-valve, and atmos-valve can only be controlled by being easily damaged atmosphere chamber and push rod Standard-sized sheet or full pass, the problem of the opening size of atmos-valve cannot be adjusted.
In figs. 3 and 4, second baffle 6-1 has second baffle air admission unit 6-12;Second baffle 6-1 passes through control The air inlet aperture of the positional relationship of second baffle air admission unit 6-12 and first baffle air admission unit 6-22 control atmosphere chamber 4.
In figs. 3 and 4, the outside of atmosphere chamber 4 has sealing recess 4-1;First baffle 6-2 is in the outside of atmosphere chamber 4 With seal convexity 6-21;Seal convexity 6-21 and sealing recess 4-1 are cooperatively connected, and prevent external atmosphere chamber aperture from controlling machine When structure is closed, the space on the outside of first baffle 6-2 enters in atmosphere chamber 4.
In figs. 3 and 4, first baffle 6-2 is stationary baffle;First baffle air admission unit 6-22 is connected to air inlet; Second baffle 6-1 is dynamic baffle;Second baffle 6-1 can be rotated along axis 6-3, and second baffle 6-1 passes through turning cover first gear The air inlet aperture of plate air admission unit 6-22 control atmosphere chamber 4.
In figs. 3 and 4, second baffle 6-1 has flapper arm;Flapper arm and second baffle 6-1 form second gear board slot; The outside of first baffle 6-2 is in second gear board slot.That is, second baffle 6-1 is U slot structure, the gear of second baffle 6-1 There is flapper arm seal groove, first baffle 6-2's passes through seal groove and second baffle 6-1 airtight connection in plate arm.
In figs. 3 and 4, second baffle 6-1 in driving mechanism 8(Fig. 1) connect;In driving mechanism 8(Fig. 1), it is used for Control the rotational angle of second baffle 6-1.Driving mechanism 8 can choose stepper motor, also can choose hydraulic mechanism, specifically It can be seen that the detailed description in Fig. 6.
In figs. 3 and 4, in driving mechanism 8(Fig. 1), also it is connect with brake pedal 1;In driving mechanism 8(Fig. 1) basis The displacement of brake pedal 1 controls the rotational angle of second baffle 6-1, specifically the detailed description in visible Fig. 6.
In Fig. 4, first baffle air admission unit 6-22 is sector structure, and first baffle air admission unit 6-22 is also fan-shaped knot Structure, this figure are schematic diagram when first baffle air admission unit 6-22 is closed.In Fig. 4, first baffle 6-2 and second baffle 6-1 Positional relationship can change, i.e. first baffle 6-2 or second baffle 6-1 can be rotated along axis 6-3, such as: working as first baffle When 6-2 is static, second baffle 6-1 is rotated along axis 6-3;When second baffle 6-1 is static, first baffle 6-2 turns along axis 6-3 It is dynamic;In the present invention, preferred embodiment is when first baffle 6-2 is static, and second baffle 6-1 is rotated along axis 6-3, first gear The first baffle air admission unit 6-22 of plate 6-2 is connected to the air inlet of the atmosphere chamber 4 in Fig. 3, when second baffle 6-1 rotation, If the second baffle air admission unit 6-12 of second baffle 6-1 has intersection with first baffle air admission unit 6-22, in Fig. 3 Atmosphere chamber 4 air inlet will be connected to inside atmosphere chamber 4, second baffle air admission unit 6-12 and first baffle air admission unit The intersection of 6-22 is bigger, then illustrates that external atmosphere chamber aperture is bigger.
A kind of a kind of meanwhile vacuum booster, comprising: adjustable machine of external atmosphere chamber aperture of vacuum booster as above Structure.
Brake pedal in a kind of vacuum booster described in Fig. 3 and Fig. 4 can be using described in Fig. 1 or Fig. 2 Brake pedal.
Fig. 5 is the structural schematic diagram of the second baffle of the utility model embodiment.As shown in figure 5, a kind of vacuum booster The outside of second baffle 6-1 of external atmosphere chamber aperture adjustable mechanism just have driving mechanism connector sleeve 6-13;Driving mechanism Connector sleeve 6-13, in driving mechanism 8(Fig. 1) output end connect.
Fig. 6 is a kind of circuit block diagram of the pressure control device of automobile vacuum booster of the utility model embodiment.Such as It shown in Fig. 6, is illustrated in conjunction with Fig. 1: a kind of pressure control device of automobile vacuum booster, comprising: atmosphere chamber 4 and vacuum chamber 5;Atmosphere chamber 4 and vacuum chamber 5 are separated by diaphragm;Atmosphere chamber 4 and vacuum chamber 5, connect with pressure detection circuit;Pressure detecting electricity Road is connect with controller 7, for measuring the atmospheric pressure of atmosphere chamber 4 and the vacuum pressure of vacuum chamber 5;Controller 7, also with system Dynamic pedal 1 connects, for according to the pressure difference of atmospheric pressure and vacuum pressure and the air inlet of setting pressure control atmosphere chamber 4 Aperture and/or with 5 vacuum pump work of vacuum chamber or do not work.Specifically, the setting duration is generally no greater than 0.5 second, It is illustrated for setting 0.5 second duration: if the duration of brake force is more than or equal to 0.5 second, being controlled Control unit 73 issue air inlet aperture and/or with 5 vacuum pump work of vacuum chamber or do not work, if brake force it is lasting when Between less than 0.5 second, then illustrate driver's false triggering brake pedal 1, control control unit 73 do not issue air inlet aperture and/or with 5 vacuum pump work of vacuum chamber does not work.
Specifically, vacuum chamber 5 has vacuum interface in Fig. 1, vacuum interface is connected by the first vacuum valve and vacuum pump It connects.After driver's brake pedal 1, the second vacuum valve can be such that atmosphere chamber and vacuum chamber no longer communicates, while atmos-valve 6 is beaten It opens, atmosphere is by atmos-valve 6 into atmosphere chamber 7, and vacuum chamber 5 is still vacuum state at this time, and such diaphragm both ends form pressure difference, side Driver is helped to increase the input power of master cylinder.If pressure difference is less than setting pressure, the first vacuum valve is opened, or increase simultaneously The aperture of atmos-valve 6;When pressure difference is greater than or sets pressure, then the first vacuum valve is closed, or reduces atmos-valve 6 simultaneously Aperture.
Specifically, in Fig. 1 and Fig. 6, pressure detection circuit, comprising: first pressure detection circuit 9 and second pressure inspection Slowdown monitoring circuit 10;One end of first pressure detection circuit 9 is connect with atmosphere chamber 4, the other end of first pressure detection circuit 9 and control Device 7 connects, for measuring the atmospheric pressure of atmosphere chamber 4;One end of second pressure detection circuit 10 is connect with vacuum chamber 5, and second The other end of pressure detection circuit 10 is connect with controller 7, for measuring the vacuum pressure of vacuum chamber 5.
Specifically, controller 7 is connect with brake pedal 1 by measuring part 3 in Fig. 1 and Fig. 6;Measuring part 3, For measuring the displacement or brake force of brake pedal 1;Displacement or brake force are setting pressure.Those skilled in the art can basis The size of displacement or brake force sets multiple setting pressure, each setting pressure and a shift value or braking force value phase It is corresponding.
In Fig. 1, there is first pressure sensor pedestal in atmosphere chamber 4;There is second pressure sensor bottom in vacuum chamber 5 Seat;First pressure sensor pedestal, for fixing first pressure sensor;Second pressure sensor base, for fixing second Pressure sensor;First pressure sensor is connect with first pressure detection circuit 9;Second pressure sensor is examined with second pressure Slowdown monitoring circuit 10 connects.
In Fig. 6, controller 7 is connect with driving mechanism 8;Driving mechanism 8, for receiving the opening degree instruction of controller 7, Control atmos-valve 6 opening size and/or with vacuum pump work or do not work.Atmos-valve 6 can choose in Fig. 3 or Fig. 4 Described external atmosphere chamber aperture adjustable mechanism.
In Fig. 6, controller 7, comprising: control unit 73 and driving circuit 72;Driving circuit 72, respectively with control unit 73 and driving mechanism 8 connect;Driving circuit 72, air inlet opening degree command for being issued according to control unit 73 and/or true Empty pump work or idle order, control driving mechanism 8 execute order.
In Fig. 6, controller 7, further includes: the time relay 71;Control unit 73, respectively with the time relay 71 and drive Dynamic circuit 72 connects;The time relay 71, for being compared according to the duration and setting duration of brake force, control control The air inlet opening degree command and/or vacuum pump work or idle order whether unit 73 issues.
A kind of a kind of vacuum booster, comprising: above-mentioned pressure control device of automobile vacuum booster.
Fig. 7 is a kind of control unit of the pressure control device of automobile vacuum booster of the utility model Fig. 6 embodiment Circuit block diagram.As shown in fig. 7, control unit 73 is operational amplifier 73-1;The first input end of operational amplifier 73-1 and The connection of one pressure detection circuit 9;The second input terminal of operational amplifier 73-1 is connect with institute second pressure detection circuit 10;Operation The output end of amplifier 73-1 is connect with driving circuit 72.
Fig. 8 is the first pressure detection circuit of the utility model embodiment and the circuit theory of second pressure detection circuit Figure.As shown in figure 8, first pressure detection circuit 8 and second pressure detection circuit 9, comprising: the first dual operational amplifier and second Dual operational amplifier;First dual operational amplifier and the second dual operational amplifier are all made of OPA291 dual operational amplifier;First Dual operational amplifier is made of the first amplifier A4A and the second amplifier A4B;Second dual operational amplifier is by third amplifier A5A and the 4th amplifier A5B composition;The positive input of first amplifier A4A meets the reference output VREF of power supply;The The positive supply voltage termination power supply of one amplifier A4A and the first power supply output end VCC of processing module 102;First amplifier A4A Negative supply voltage end ground connection;The reverse input end and output end of first amplifier A4A connect one end of thirteenth resistor R13; One end of the 14th resistance R14 of another termination of thirteenth resistor R13 and the positive input of the second amplifier A4B;14th The other end of resistance R14 is grounded.The positive voltage input terminal V+ of the output termination pressure sensor 107 of second amplifier A4B.Second The reverse input end of amplifier A4B connects one end of the tenth resistance R10, the 15th resistance R15 and the 16th resistance R17;Tenth electricity Hinder the negative voltage input terminal V- of another termination pressure sensor of R10;The other end of 15th resistance R15 is grounded;16th electricity Hinder the reverse input end of another termination third amplifier A5A of R17 and one end of the 17th resistance R18.17th resistance R18's The output end of another termination third amplifier A5A;Second power supply of the positive supply voltage termination power supply of third amplifier A5A Output end vo ut;The negative supply voltage end of third amplifier A5A is grounded;The positive input of third amplifier A5A connects the 11st One end of resistance R11, the 12nd capacitor C12 and the 14th capacitor C14;Another termination pressure sensor of eleventh resistor R11 Voltage differential signal negative terminal S-;The other end of 12nd capacitor C12 is grounded;The 12nd electricity of another termination of 14th capacitor C14 Hinder the positive input of R12, the 13rd capacitor C13 and the 4th amplifier A5B;The other end of 13rd capacitor C13 is grounded;Tenth The voltage differential signal anode S+ of another termination pressure sensor of two resistance R12;The output termination the 18th of third amplifier A5A One end of resistance R19;One end of the 19th resistance R20 of another termination of 18th resistance R19 and the 4th amplifier A5B's is reversed Input terminal;The output end of the 4th amplifier A5B of another termination of 19th resistance R20 and one end of the 20th resistance R21;Second One end of the 15th capacitor C15 of another termination of ten resistance R21 and controller 7(such as single-chip microcontroller or operational amplifier) ADC1 pin;The other end of 15th capacitor C15 is grounded.
That is, in fig. 8, first pressure detection circuit 8 and second pressure detection circuit 9 in Fig. 6 and Fig. 7, point Not with pressure sensor and controller 7(such as: single-chip microcontroller or operational amplifier) connect, the detection of first pressure in Fig. 6 and Fig. 7 Circuit 8 and second pressure detection circuit 9 by the signal amplification input controller 7(of pressure sensor such as: single-chip microcontroller or operation are put Big device).
In the present invention, pressure sensor (that is, first pressure sensor and second pressure sensor) can use The BS12 series pressure sensor of Nanjing Gao Hua Science and Technology Co., Ltd. production.
Embodiment described above is only to express the embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously Therefore it cannot be interpreted as that a limitation on the scope of the patent of the present invention.It should be pointed out that the ordinary skill people of this field For member, without departing from the concept of the premise utility, several deformations, same replacement can also be made, improved etc., these Belong to the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of automobile brake pedal characterized by comprising
Brake pedal (1);
The brake pedal (1) connect with measuring part (3), and the measuring part (3) connect with controller (7);
The measuring part (3), for measuring the displacement or brake force of the brake pedal (1);
The controller (7) passes through the displacement or the air inlet aperture of the braking force control atmosphere chamber (4).
2. a kind of automobile brake pedal according to claim 1, it is characterised in that:
One end of the measuring part (3) is connect with the brake pedal (1), the other end of the measuring part (3) and fixation Part (2) connection.
3. a kind of automobile brake pedal according to claim 2, it is characterised in that:
The measuring part (3), comprising: elastic component (3-1) and force measuring instrument (3-2);
The force measuring instrument (3-2), the braking that the elastic component (3-1) is generated for measuring the brake pedal (1) Power.
4. a kind of automobile brake pedal according to claim 2, it is characterised in that:
The measuring part (3) is displacement meter;
The measurement end of the displacement meter is in the inside of the brake pedal (1), and the other end of the displacement meter is in the fixing piece (2) outside.
5. according to a kind of any one of claim 2~4 automobile brake pedal, it is characterised in that:
The fixing piece (2) has cable hole, and the measuring part (3) is connected by the cable hole and the controller (7) It connects;
The cable hole, for preventing the connecting line of the measuring part (3) and the controller (7) from winding or damage.
6. a kind of automobile brake pedal according to claim 1, it is characterised in that:
The controller (7), connect with driving mechanism (8);
The driving mechanism (8) controls the opening size of atmos-valve (6) for receiving the opening degree instruction of controller (7).
7. a kind of automobile brake pedal according to claim 6, it is characterised in that:
The controller (7), comprising: control unit (73);
Described control unit (73) has memory, the proportionate relationship equipped with the displacement and air inlet aperture in the memory Or the proportionate relationship of the brake force and air inlet aperture, it is opened by the air inlet of proportionate relationship control atmosphere chamber (4) Degree.
8. a kind of automobile brake pedal according to claim 7, it is characterised in that:
The controller (7), further includes: driving circuit (72);
The driving circuit (72), connect with described control unit (73) and the driving mechanism (8) respectively;
The driving circuit (72), the air inlet opening degree command for being issued according to described control unit (73), controls the drive Motivation structure (8) executes the air inlet opening degree command.
9. a kind of automobile brake pedal according to claim 8, it is characterised in that:
The controller (7), further includes: the time relay (71);
Described control unit (73) is connect with the time relay (71) and the driving circuit (72) respectively;
The time relay (71) controls institute for comparing according to the duration and setting duration of the brake force State the air inlet opening degree command whether control unit (73) issues.
10. a kind of vacuum booster characterized by comprising
A kind of automobile brake pedal as described in any one of claim 1~9.
CN201820644096.9U 2018-05-02 2018-05-02 A kind of automobile brake pedal and the vacuum booster using it Expired - Fee Related CN208439244U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820644096.9U CN208439244U (en) 2018-05-02 2018-05-02 A kind of automobile brake pedal and the vacuum booster using it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820644096.9U CN208439244U (en) 2018-05-02 2018-05-02 A kind of automobile brake pedal and the vacuum booster using it

Publications (1)

Publication Number Publication Date
CN208439244U true CN208439244U (en) 2019-01-29

Family

ID=65094550

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820644096.9U Expired - Fee Related CN208439244U (en) 2018-05-02 2018-05-02 A kind of automobile brake pedal and the vacuum booster using it

Country Status (1)

Country Link
CN (1) CN208439244U (en)

Similar Documents

Publication Publication Date Title
CN100570316C (en) Fault detection instrument of rotary equipment based on acoustic emission
CN201133859Y (en) 2MN microcomputer controlled electrohydraulic servo-force standard machine
CN208036260U (en) Vehicle automatic drainage system, motor vehicle braking system and vehicle
CN105181355B (en) Tractor-trailer combinatios air braking system multipurpose test system
CN208576551U (en) A kind of pressure control device and vacuum booster of automobile vacuum booster
CN208439244U (en) A kind of automobile brake pedal and the vacuum booster using it
CN208393349U (en) The external atmosphere chamber aperture adjustable mechanism and vacuum booster of vacuum booster
CN106382265A (en) Integrated pump control type hydraulic unit
BR9905715A (en) System and method for controlling the operation of a vehicle glass cleaning device
CN207805564U (en) A kind of hydraulic system accurately controlling cubic hinge press single cylinder displacement
CN205898435U (en) Gas -liquid brake valve test bench
CN201464117U (en) Electronic oil pressure sensor
CN107957376B (en) Micro-electro-mechanical gas-liquid servo joint control field rock-soil mechanical test device and method
CN214789596U (en) Automobile corrugated pipe
CN208952911U (en) A kind of full-automatic thrust shaft-cup thrust surface roundlet angle measurement tool
CN108891403A (en) A kind of integrated electrical control braking force aid system
CN105547680A (en) Natural gas filling machine break valve under-pressure test device
CN209532002U (en) A kind of clamping control system and radial forging operate machine
CN201078749Y (en) Rotating equipment fault detection instrument based on acoustic emission technique
CN209117548U (en) A kind of high-precision wrinkle recovery angle of woven fabrics using viscoelasticity theory detector
CN208968792U (en) A kind of high sensitivity pressure-relief valve spring test device
CN208187857U (en) A kind of test device of engine cylinder body deformation
CN208452951U (en) A kind of detector for stealing oily phenomenon based on piezoelectric transducer detection truck
CN207805563U (en) A kind of hydraulic system accurately controlling cubic hinge press single cylinder displacement
CN109269446A (en) A kind of full-automatic thrust shaft-cup thrust surface roundlet angle measurement tool

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190129

Termination date: 20210502