CN113370953A - New energy automobile braking electric vacuum boosting system - Google Patents
New energy automobile braking electric vacuum boosting system Download PDFInfo
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- CN113370953A CN113370953A CN202110905726.XA CN202110905726A CN113370953A CN 113370953 A CN113370953 A CN 113370953A CN 202110905726 A CN202110905726 A CN 202110905726A CN 113370953 A CN113370953 A CN 113370953A
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- shell
- welded
- vacuum
- new energy
- energy automobile
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE 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
- B60T13/00—Transmitting 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
- B60T13/10—Transmitting 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
- B60T13/24—Transmitting 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
- B60T13/46—Vacuum systems
- B60T13/52—Vacuum 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 a new energy automobile braking electric vacuum boosting system, which relates to the technical field of braking electric vacuum boosting, and aims to solve the problems that a new energy automobile is not provided with a corresponding electronic control unit, the content of a vacuum tank cannot be identified by a configured vacuum pump, braking failure can occur in serious cases, even accidents can occur and the like. The invention has simple structure and improved safety, the added air bag and the like can push the push rod of the booster to brake through the air bag when the pedal fails, the added vacuum pump can provide vacuum for the vacuum boosting system, the added vacuum tank can store vacuum, the added one-way valve can recover the vacuum in the shell, and the added vacuum pressure sensor can monitor the vacuum pressure in time.
Description
Technical Field
The invention relates to the technical field of braking electric vacuum assistance, in particular to a braking electric vacuum assistance system of a new energy automobile.
Background
The new energy automobile braking system is basically consistent with the structure of the fuel vehicle, the fuel vehicle mainly depends on an engine air inlet pipe as a vacuum source in different places, and the new energy vehicle does not have the vacuum source provided by the engine, so that an independent vacuum pump is adopted for vacuum assistance, one end of a vacuum pipeline is connected to a vacuum booster, and the other end of the vacuum pipeline is connected to the vacuum pump.
However, as the new energy automobile does not have an engine as a basis for providing a vacuum source, a vacuum tank is connected for solving the problem of long-time brake vacuum insufficiency, the brake vacuum insufficiency is compensated by the vacuum tank, and meanwhile, the new energy automobile is not provided with a corresponding electronic control unit, the content of the vacuum tank cannot be identified by the arranged vacuum pump, so that vacuum brake is influenced, brake failure occurs in severe cases, and even accidents occur.
Disclosure of Invention
Objects of the invention
The invention provides a new energy automobile braking electric vacuum boosting system, which is ingenious in design, simple in structure and capable of improving safety, an added air pump, an added air bag and the like can push a booster push rod through the air bag when a pedal fails, driving safety is improved, an added vacuum pump can provide vacuum for the vacuum boosting system, an added vacuum tank can store vacuum and can convey vacuum in a body in time, the vacuum in the body is recovered to the vacuum tank, energy is saved, an added vacuum pressure sensor can monitor the vacuum pressure in time, and the new energy automobile braking electric vacuum boosting system is convenient to use, strong in practicability and convenient to popularize.
(II) technical scheme
The invention provides a new energy automobile braking electric vacuum boosting system which comprises a shell, wherein vacuum tanks are arranged at the top and the bottom of the shell, an air pump is fixedly installed at the top of the inner wall of the right side of the shell through bolts, a piston is arranged in the shell, a booster push rod is sleeved on the right side of the shell, a limiting seat is welded on the outer ring of the booster push rod positioned in the shell, a first spring is welded on the inner wall of the right side of the limiting seat, a piston rod is welded at the other end of the first spring, the piston rod is positioned in the piston, and a brake main cylinder push rod penetrating through and extending out of the shell is arranged on the left side of the piston.
Preferably, the top and the bottom of casing all have piston shell by sliding connection, the welding of the left side inner wall middle part of casing has first base, the welding of the left side of piston shell has the second spring of establishing at brake master cylinder push rod outer lane, the other end of second spring and the right side welding of first base, the booster push rod is located that the outer one end of casing articulates there is the footboard.
Preferably, first spout has all been seted up to the top and the bottom of casing, first slider has been placed in the first spout, the outer wall of first slider respectively in with the top and the bottom welding of piston shell, the perpendicular cross-section of first spout is the T shape, the backup pad has all been welded at the right side top and the bottom of piston shell, the other end of backup pad and the top and the bottom inner wall welding of casing, the through-hole has been seted up to the backup pad.
Preferably, the right side of spacing seat is provided with the gasbag, the right side of gasbag is provided with spacing frame, the right side of spacing frame and the right side inner wall welding of casing, the inlet end of gasbag passes through the breather pipe with the output of air pump and is connected.
Preferably, the through-hole has been seted up in the left side of spacing seat, the right side of piston rod is located the left through-hole of spacing seat, the piston rod becomes the T shape, and the second spout has all been seted up to the top and the bottom on piston rod right side, the second slider has been placed in the second spout, the second slider is respectively in the top inner wall and the bottom inner wall welding of spacing seat through-hole, the second spout is the T shape.
Preferably, the back of the shell is provided with a vacuum pump, the output end of the vacuum pump is fixedly connected with a fourth vacuum tube through a bolt, the top of the fourth vacuum tube is fixedly connected with a vacuum pressure sensor through a bolt, one end, far away from the vacuum pump, of the fourth vacuum tube is fixedly connected with a three-way valve through a bolt, the output end of the three-way valve is fixedly connected with a third vacuum tube through a bolt, and the other end of the third vacuum tube is connected with the input end of the vacuum tank through a bolt.
Preferably, the top and the bottom inner wall of three-way valve all are provided with the three-way valve shell, the welding of the left side inner wall of three-way valve has the second base, the welding of the right side of second base has the fourth spring, the welding of the other end of fourth spring has the choke plug, the choke plug is T shape.
Preferably, a first one-way valve shell is welded on the inner walls of the top and the bottom of the first one-way valve, a fixed plate is welded on one side, close to the right side of the first one-way valve shell, a third spring is welded on the left side of the fixed plate, and a blocking ball is welded on the other end, provided with a moving block, of the other end of the third spring.
Preferably, the top and the bottom on the right side of casing all are equipped with the breather pipe by the cover, the one end that the breather pipe is located the casing outside is provided with the second check valve, and the breather pipe is located the casing outer one end and is connected with the input of second check valve, the output of second check valve passes through bolt fixedly connected with second vacuum tube, the other end and the input of vacuum tank of second vacuum tube are connected, the input of vacuum tank passes through the first vacuum tube of bolt fixedly connected with, the other end of first vacuum tube runs through and extends to the inside of casing, and the one side that first vacuum tube is located the casing inside is provided with first check valve, vacuum tank has a plurality of inputs.
Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:
the device design benefit, moreover, the steam generator is simple in structure, safety is improved, the air pump of interpolation, the gasbag etc., can promote the booster push rod through the gasbag when the footboard is malfunctioning, increase driving safety, the vacuum pump of interpolation, can provide the vacuum to vacuum boosting system, the vacuum tank of interpolation can store up the vacuum, and can be in time to carrying the vacuum in vivo, and retrieve to the vacuum tank at internal vacuum, the energy can be saved, the vacuum pressure sensor of interpolation can in time monitor the pressure of vacuum, the device facilitates the use, therefore, the clothes hanger is strong in practicability, and is convenient for popularize.
Drawings
Fig. 1 is a schematic front view structure diagram of a braking electric vacuum boosting system of a new energy automobile according to the present invention.
Fig. 2 is a schematic view of a partial back structure of a braking electric vacuum boosting system of a new energy automobile according to the present invention.
Fig. 3 is a schematic diagram of an internal structure of a three-way valve of the braking electric vacuum power-assisted system of the new energy automobile.
Fig. 4 is a schematic structural view of a check valve of the braking electric vacuum power-assisted system of the new energy automobile.
Fig. 5 is an enlarged schematic view of a part a of the brake electric vacuum boosting system of the new energy automobile according to the invention.
Reference numerals: 1. a pedal; 2. a housing; 3. a first spring; 4. a piston housing; 5. a piston; 6. a second spring; 7. a brake master cylinder push rod; 8. a first base; 9. a first check valve; 10. a first vacuum tube; 11. a vacuum tank; 12. a second vacuum tube; 13. a second one-way valve; 14. a piston rod; 15. a limiting seat; 16. a booster push rod; 17. an air pump; 18. an air bag; 19. a three-way valve; 20. a third vacuum tube; 21. a vacuum pressure sensor; 22. a vacuum pump; 23. a fourth vacuum tube; 901. a moving block; 902. blocking the ball; 903. a first check valve housing; 904. a third spring; 905. a fixing plate; 1901. a plugging head; 1902. a three-way valve housing; 1903. a second base; 1904. and a fourth spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In a first embodiment, as shown in fig. 1 to 5, the electric vacuum boosting system for braking of a new energy automobile provided by the invention comprises a housing 2, and is characterized in that vacuum tanks 11 are arranged at the top and the bottom of the housing 2, an air pump 17 is fixedly installed at the top of the inner wall of the right side of the housing 2 through bolts, a piston 5 is arranged inside the housing 2, a booster push rod 16 is sleeved at the right side of the housing 2, a limiting seat 15 is welded on the outer ring of the booster push rod 16 positioned in the housing 2, a first spring 3 is welded on the inner wall of the right side of the limiting seat 15, a piston rod 14 is welded at the other end of the first spring 3, the piston rod 14 is positioned in the piston 5, a brake master cylinder push rod 7 penetrating and extending out of the housing 2 is arranged at the left side of the piston 5, and the vacuum tanks can store air to prevent air from being less and causing brake failure.
In the second embodiment, as shown in fig. 1-5, the top and the bottom of the housing 2 are both slidably connected with a piston housing 4, the middle of the inner wall of the left side of the housing 2 is welded with a first base 8, the left side of the piston housing 4 is welded with a second spring 6 sleeved on the outer ring of a push rod 7 of a brake master cylinder, the other end of the second spring 6 is welded with the right side of the first base 8, one end of a push rod 16 of a booster outside the housing 2 is hinged with a pedal 1, the top and the bottom of the housing 2 are both provided with a first chute, a first slider is placed in the first chute, the outer wall of the first slider is respectively welded with the top and the bottom of the piston housing 4, the vertical section of the first chute is T-shaped, the top and the bottom of the right side of the piston housing 4 are both welded with supporting plates, the other end of the supporting plates are welded with the inner walls of the top and the bottom of the housing 2, the supporting plates are provided with through holes, the right side of the limiting seat 15 is provided with an air bag 18, the right side of gasbag 18 is provided with spacing frame, the right side of spacing frame and the right side inner wall welding of casing 2, the inlet end of gasbag 18 passes through the breather pipe with air pump 17's output and is connected, the through-hole has been seted up in the left side of spacing seat 15, the right side of piston rod 14 is located the left through-hole of spacing seat 15, 14T shapes of piston rod, and the second spout has all been seted up to the top and the bottom on 14 right sides of piston rod, the second slider has been placed in the second spout, the second slider is respectively in the top inner wall and the bottom inner wall welding of spacing seat 15 through-holes, the second spout is T shape, air pump 17 and the gasbag 18 of installation, when preventing footboard 1 failure, promote the booster push rod through gasbag 18, reach duplicate protection's purpose.
In the third embodiment, as shown in fig. 1 to 5, a vacuum pump 22 is disposed on the back of the housing 2, an output end of the vacuum pump 22 is fixedly connected to a fourth vacuum tube 23 through a bolt, a top of the fourth vacuum tube 23 is fixedly connected to a vacuum pressure sensor 21 through a bolt, one end of the fourth vacuum tube 23 away from the vacuum pump 22 is fixedly connected to a three-way valve 19 through a bolt, an output end of the three-way valve 19 is fixedly connected to a third vacuum tube 20 through a bolt, the other end of the third vacuum tube 20 is connected to an input end of the vacuum tank 11 through a bolt, three-way valve housings 1902 are disposed on top and bottom inner walls of the three-way valve 19, a second base 1903 is welded on a left inner wall of the three-way valve 19, a fourth spring 1904 is welded on a right side of the second base 1903, a plugging head 1901 is welded on the other end of the fourth spring 190, a fixing plate 905 is welded on one side, close to the right side of the first one-way valve casing 903, of the fixing plate 905, a third spring 904 is welded on the left side of the fixing plate 905, a moving block 901 is welded on the other end of the third spring 904, a blocking ball 902 is welded on the other end of the moving block 901, vent pipes are sleeved on the top and the bottom of the right side of the casing 2, a second one-way valve 13 is arranged at one end, located outside the casing 2, of each vent pipe, one end, located outside the casing 2, of each vent pipe is connected with the input end of the second one-way valve 13, the output end of the second one-way valve 13 is fixedly connected with a second vacuum pipe 12 through bolts, the other end of the second vacuum pipe 12 is connected with the input end of a vacuum tank 11, the input end of the vacuum tank 11 is fixedly connected with a first vacuum pipe 10 through bolts, the other end of the first vacuum pipe 10 penetrates through and extends into the casing 2, and a first one side, located inside the casing 2, of the first vacuum pipe 10 is provided with a first one-way valve 9, the vacuum tank 11 has a plurality of input ends, and the three-way valve 19 and the second one-way valve 13 are installed to recover the air in the housing 2, so that the air can be recycled, and energy can be saved.
In the invention, when a vehicle needs to be braked, firstly the pedal 1 is stepped on, so that the pedal 1 can drive the booster push rod 16 to move, the booster push rod 16 can drive the limit seat 15 to move, so that a gap between the piston shell 4 and the limit seat 15 is closed, air in the shell 2 is prevented from leaking, the booster push rod 16 can drive the piston rod 14 to move when moving, at the moment, the vacuum pump 22 is started, the vacuum pump 22 starts to work, when the vacuum pump 22 works, vacuum enters the third vacuum tube 20 through the fourth vacuum tube 23 and the three-way valve 19, then the vacuum enters the inner cavity of the vacuum tank 11 through the third vacuum tube 20, at the moment, when the pedal 1 is stepped on, the piston 5 and the piston shell 4 generate a gap, so that air in the shell 2 can push the piston rod 14 through the gap between the piston 5 and the piston shell 4, when the vacuum in the shell 2 extrudes the piston rod 14, the push rod 7 of the brake master cylinder can be moved, so as to start braking, when the pedal 1 is released, the second spring 6 can be extruded to push the piston shell 4, so that the piston shell 4 is reset, the piston shell 4 can open the gap between the piston shell 4 and the limiting seat 15 when being reset, so that the air in the shell 2 flows into the second vacuum tube 12 through the gap between the piston shell 4 and the limiting seat 15 and the second one-way valve 13 and then flows into the vacuum tank 11 through the second vacuum tube 12, when the pedal 1 is unmoved, at the moment, the sensor on the pedal 1 can be started, the air pump 17 can be started when the sensor of the pedal 1 is started, the air pump 17 can be started to work, and the air bag 18 can be inflated through the vent pipe, the air bag 18 extrudes the limiting seat 15 when being full of air, so that the limiting seat 15 moves, the air bag 18 can extrude the limiting seat 15 to brake when the pedal 1 fails, and the driving safety is improved.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such changes and modifications that fall within the scope and bounds of the appended claims, or equivalents of such scope and bounds.
Claims (9)
1. An electric vacuum power-assisted system for braking a new energy automobile comprises a shell (2), a three-way valve (19) and a first one-way valve (9), it is characterized in that the top and the bottom of the shell (2) are both provided with a vacuum tank (11), an air pump (17) is fixedly arranged at the top of the inner wall of the right side of the shell (2) through a bolt, a piston (5) is arranged in the shell (2), a booster push rod (16) is sleeved on the right side of the shell (2), the outer ring of the booster push rod (16) positioned in the shell (2) is welded with a limiting seat (15), a first spring (3) is welded on the inner wall of the right side of the limiting seat (15), a piston rod (14) is welded at the other end of the first spring (3), the piston rod (14) is located in the piston (5), and a brake master cylinder push rod (7) penetrating through and extending out of the shell (2) is arranged on the left side of the piston (5).
2. The brake electric vacuum boosting system of the new energy automobile according to claim 1, wherein a piston shell (4) is slidably connected to the top and the bottom of the shell (2), a first base (8) is welded to the middle of the inner wall of the left side of the shell (2), a second spring (6) sleeved on the outer ring of a brake main cylinder push rod (7) is welded to the left side of the piston shell (4), the other end of the second spring (6) is welded to the right side of the first base (8), and one end, located outside the shell (2), of the booster push rod (16) is hinged to a pedal (1).
3. The brake electric vacuum boosting system of the new energy automobile according to claim 1, wherein a first sliding groove is formed in the top and the bottom of the shell (2), a first sliding block is placed in the first sliding groove, the outer wall of the first sliding block is welded to the top and the bottom of the piston shell (4) respectively, the vertical cross section of the first sliding groove is T-shaped, supporting plates are welded to the top and the bottom of the right side of the piston shell (4), the other ends of the supporting plates are welded to the inner walls of the top and the bottom of the shell (2), and through holes are formed in the supporting plates.
4. The electric vacuum power-assisted system for braking of the new energy automobile according to claim 1, characterized in that an air bag (18) is arranged on the right side of the limiting seat (15), a limiting frame is arranged on the right side of the air bag (18), the right side of the limiting frame is welded to the inner wall of the right side of the shell (2), and the air inlet end of the air bag (18) is connected with the output end of the air pump (17) through an air pipe.
5. The electric vacuum power-assisted system for braking of the new energy automobile according to claim 1, wherein a through hole is formed in the left side of the limiting seat (15), the right side of the piston rod (14) is located in the through hole in the left side of the limiting seat (15), the piston rod (14) is in a T shape, second sliding grooves are formed in the top and the bottom of the right side of the piston rod (14), second sliding blocks are placed in the second sliding grooves, the second sliding blocks are welded to the inner walls of the top and the bottom of the through hole of the limiting seat (15), and the second sliding grooves are in a T shape.
6. The brake electric vacuum boosting system of the new energy automobile according to claim 1, characterized in that a vacuum pump (22) is arranged on the back of the housing (2).
7. The brake electric vacuum boosting system of the new energy automobile according to claim 1, wherein a three-way valve housing (1902) is arranged on each of the top and bottom inner walls of the three-way valve (19), a second base (1903) is welded on the left inner wall of the three-way valve (19), a fourth spring (1904) is welded on the right side of the second base (1903), a plugging head (1901) is welded on the other end of the fourth spring (1904), and the plugging head (1901) is in a T shape.
8. The electric vacuum servo system for the new energy automobile brake is characterized in that a first one-way valve shell (903) is welded to the inner walls of the top and the bottom of the first one-way valve (9), a fixing plate (905) is welded to one side, close to the right side of the first one-way valve shell (903), of the fixing plate (905), a third spring (904) is welded to the left side of the fixing plate (905), a moving block (901) is welded to the other end of the third spring (904), and a blocking ball (902) is welded to the other end of the moving block (901).
9. The brake electric vacuum boosting system of the new energy automobile according to claim 1, wherein vent pipes are sleeved on the top and the bottom of the right side of the housing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110905726.XA CN113370953A (en) | 2021-08-09 | 2021-08-09 | New energy automobile braking electric vacuum boosting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110905726.XA CN113370953A (en) | 2021-08-09 | 2021-08-09 | New energy automobile braking electric vacuum boosting system |
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| Publication Number | Publication Date |
|---|---|
| CN113370953A true CN113370953A (en) | 2021-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110905726.XA Pending CN113370953A (en) | 2021-08-09 | 2021-08-09 | New energy automobile braking electric vacuum boosting system |
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| Country | Link |
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| CN (1) | CN113370953A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5388897A (en) * | 1993-08-23 | 1995-02-14 | Alliedsignal Inc. | Vacuum brake booster with traction control |
| CN201128414Y (en) * | 2007-12-17 | 2008-10-08 | 比亚迪股份有限公司 | Vacuum booster unit for electric automobile |
| CN101885330A (en) * | 2010-07-14 | 2010-11-17 | 清华大学 | Vacuum pump braking system for adaptive electric vehicle |
| CN102180161A (en) * | 2011-04-21 | 2011-09-14 | 纽贝耳汽车(杭州)有限公司 | Electric auxiliary brake system of electric automobile |
| CN207943031U (en) * | 2018-03-02 | 2018-10-09 | 江苏凯龙宝顿动力科技有限公司 | Electric vehicle brake power-assisted vacuum booster |
-
2021
- 2021-08-09 CN CN202110905726.XA patent/CN113370953A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5388897A (en) * | 1993-08-23 | 1995-02-14 | Alliedsignal Inc. | Vacuum brake booster with traction control |
| CN201128414Y (en) * | 2007-12-17 | 2008-10-08 | 比亚迪股份有限公司 | Vacuum booster unit for electric automobile |
| CN101885330A (en) * | 2010-07-14 | 2010-11-17 | 清华大学 | Vacuum pump braking system for adaptive electric vehicle |
| CN102180161A (en) * | 2011-04-21 | 2011-09-14 | 纽贝耳汽车(杭州)有限公司 | Electric auxiliary brake system of electric automobile |
| CN207943031U (en) * | 2018-03-02 | 2018-10-09 | 江苏凯龙宝顿动力科技有限公司 | Electric vehicle brake power-assisted vacuum booster |
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Application publication date: 20210910 |