CN203902532U - Double-acted electrically-controlled and pneumatic brake valve and vehicle brake device - Google Patents
Double-acted electrically-controlled and pneumatic brake valve and vehicle brake device Download PDFInfo
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- CN203902532U CN203902532U CN201420339102.1U CN201420339102U CN203902532U CN 203902532 U CN203902532 U CN 203902532U CN 201420339102 U CN201420339102 U CN 201420339102U CN 203902532 U CN203902532 U CN 203902532U
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Abstract
The utility model relates to the field of vehicle brake technologies, in particular to a double-acted electrically-controlled and pneumatic brake valve and a vehicle brake device. The double-acted electrically-controlled and pneumatic brake valve is provided with a valve body, wherein valve core chambers are formed in the valve body, valve cores are arranged in the valve core chambers, air inlets and air feeding ports, which correspond to the valve core chambers, are further formed in the valve body, and control ends of the valve cores are connected with the tail end of a brake pedal respectively through link mechanisms. The double-acted electrically-controlled and pneumatic brake valve is characterized in that electrical control mechanisms are further arranged between the control ends of the valve cores and the brake pedal, each electrical control mechanism comprises a transmission rod, a transmission spring, an armature and an electromagnetic coil, the transmission rods are connected with the armatures through the transmission springs, and the electromagnetic coils are located below the armatures and act on the armatures. Compared with the prior art, the double-acted electrically-controlled and pneumatic brake valve has the advantages that the condition that the recovery ratio of brake energy of an electric commercial vehicle is effectively increased under the action of electrically-controlled brake can be realized, and the original mechanical brake can still be realized in case of an electrical fault, so as to guarantee brake safety.
Description
Technical field
The utility model relates to vehicle brake technology field, a kind of specifically can be completely compatible with traditional Pneumatic braking system, not only can realize and under the effect of electric control braking, effectively improve the electric commercial vehicle braking energy percent recovery, and still can realize original mechanical braking in the situation that of electrical accident, ensure double acting electronic control pneumatic brake valve and the Vehicular brake device of braking safety.
Background technology
As everyone knows, the braking of vehicle at present mainly adopts pneumatic brake system, this type of brake system mainly comprises two large divisions: the one, and source of the gas part, comprise air compressor, pressure regulating device, air tank, air-pressure gauge and safety valve etc., the 2nd, control part, comprise brake pedal, air brake valve, pilot piping, compressed air brake cylinder etc., wherein air brake valve can be two-chamber air brake valve, the valve body of two-chamber air brake valve is provided with two spool chambers, and correspondence is offered two groups of admission ports and air taking port, in spool chamber, be provided with spool, the control end of spool is connected with brake pedal through connecting rod mechanism.During work, air compressor passes through belt pulley or gear drive by driving engine, air is pressed into air tank, air tank internal gas pressure utilizes pressure regulating device to remain within the scope of certain pressure, and show by air-pressure gauge, air tank is by air brake valve and pipeline and forward and backward compressed air brake cylinder UNICOM, and controls air brake valve by brake pedal end, during braking, the air pressure of setting up in compressed air brake cylinder should be directly proportional to pedal stroke, by little pedal pressing force and the large braking force of Stroke Control, completes braking.
Electronlmobil, refers to that all or part of electric energy driving motor of using is as the automobile of power system.20 end of the centurys, along with becoming increasingly conspicuous of the energy and environmental problem, electronlmobil with its cleanliness without any pollution, energy efficiency is high and energy source is diversified, the advantage such as simple in structure and easy to maintenance becomes development of automobile new focus.But short and these two problems of fetch long price of continual mileage have seriously hindered the merchandizing of electronlmobil.
Regenerative Braking Technology has utilized the energy that is originally consumed in friction braking, can reduce the energy consumption of electronlmobil, improve the economic performance of automobile, therefore, in current electric vehicle engineering research, regenerative brake has become a kind of important technical that reduces energy consumption, improves continual mileage.Regenerative Braking Technology claims again regenerative feedback braking, its principle is, when braking, the inertia energy of running car is passed to motor by driving system, because motor has invertibility, be that electrical motor can be transformed into generator operation under given conditions, therefore can when braking, adopt the way of regenerative braking, make motor operate in generating state, with generation mode work, for power battery charging, realize the regeneration of braking energy, so just can reclaim the inertia energy that a part is considerable.Meanwhile, the motor braking moment of generation can apply braking to drive wheel by driving system again, produces braking force.
Traditional vehicle Pneumatic braking system adopts brake activation valve to control brake-pressure.The control spool of brake activation valve adopts mechanical system to be connected with brake pedal, the braking pressure of brake activation valve output becomes fixed function relation with treadle effort, when chaufeur is stepped on brake pedal, all wheels will produce mechanical friction braking force, and the kinetic energy of automobile is converted into heat energy and dissipates in friction.
Summary of the invention
The shortcoming and defect that the utility model exists for prior art, proposed a kind of can be completely compatible with traditional Pneumatic braking system, not only can realize and under the effect of electric control braking, effectively improve the electric commercial vehicle braking energy percent recovery, and still can realize original mechanical braking in the situation that of electrical accident, ensure double acting electronic control pneumatic brake valve and the Vehicular brake device of braking safety.
The utility model can reach by following measures:
A kind of double acting electronic control pneumatic brake valve, be provided with valve body, on valve body, offer spool chamber, in spool chamber, be provided with spool, on valve body, also offer the admission port corresponding with spool chamber and air taking port, the control end of spool is connected with brake pedal end through connecting rod mechanism respectively, it is characterized in that being also provided with between spool control end and brake pedal electrical control mechanism, described electrical control mechanism comprises drive link, driving spring, armature and magnet coil, wherein drive link is connected with armature through driving spring, and magnet coil is positioned at armature below and acts on armature.
The connecting rod mechanism being connected with brake pedal end with the control end of spool in the utility model comprises uploads lever, upper driving spring and lever, wherein uploading lever is connected with lever through uploading spring, the upper end of uploading lever is connected with brake pedal end, and lever end is connected with spool control end.
On valve body described in the utility model, can offer two spool chambers arranged side by side, in spool chamber, be equipped with spool, the control end of two spools is connected with brake pedal end through connecting rod mechanism, wherein the lever in connecting rod mechanism adopts component lever, the end of component lever is connected with two spool control ends respectively, the front end of component lever through upper driving spring with upload lever and be connected; Correspondence is provided with two groups of electrical control mechanisms between two spool control ends and brake pedal respectively.
The utility model is provided with the pedal displacement sensor that is connected to brake pedal end.
The utility model also proposes a kind of Vehicular brake device, be provided with controller, it is characterized in that being provided with above-mentioned double acting electronic control pneumatic brake valve, in controller, be provided with the solenoid controlled circuit being connected with electrical control mechanism in double acting electronic control pneumatic brake valve, the treater being connected with solenoid controlled circuit.
In controller described in the utility model, be also provided with the pedal displacement signal acquisition circuit being connected with pedal displacement sensor on double acting electronic control pneumatic brake valve.
The utility model in use, double acting electronic control pneumatic brake valve access Vehicular brake device, when chaufeur is stepped on brake pedal, controller calculates respectively car load according to the signal magnitude of pedal displacement sensor and brakes required drive wheel and non-driving wheel braking force, the size of the regenerative braking moment simultaneously having applied from electric commercial vehicle power drive system acquisition drive wheel by CAN bus, according to the difference of the required total braking force of drive wheel and regenerative brake power, control the electric current of magnet coil in two proportion electro-magnets, make two air taking port A of air brake valve, B exports different air pressure, the B mouth output pressure that leads to drive wheel reduces, and the A mouth output pressure that leads to non-driving wheel is constant, thereby make motor regenerative brake power and airbrasive braking force sum on drive wheel meet car load brake request,
When occurring that electrical malfunction or signal disturb, the electromagnetic force of coil is lost, and chaufeur is by deeply stepping on brake pedal, and treadle effort will be delivered on brake activation valve spool step by step by drive link, spring and armature, thereby operation brake activation valve, the output that completes braking pressure is controlled.Whole process and traditional braking valve are basic identical, and small impact is only that the rigidity of running part reduces, and the pedal displacement that exporting same brake-pressure needs increases.
The utility model compared with prior art, have the following advantages: (1) can realize according to different controlled condition mechanical braking and two kinds of functions of electric control braking, in electric control braking process, electronic controller is controlled the electric current of magnet coil according to the signal magnitude of pedal position sensor, thus the electromagnetic force of control action on relief pressure valve cartridge; (2) driver pedal power can act on by mechanical action end and spring thereof the output pressure of directly controlling A mouth on relief pressure valve cartridge, meanwhile, ratio magnet coil and armature can be by electromagnetic force on brake activation valve spools, thereby realize double-acting spool, control the size of making a concerted effort to have determined air pressure output of dual force; (3) under electronic control module and suitable control method are controlled, can independently control easily the compression air brake power of drive wheel, for possessing the new-energy automobile braking energy of regenerative brake ability, reclaim reserved braking force, improve the braking energy percent recovery, (4) in addition, when electrical malfunction, only adopt the pedal of chaufeur to carry out power operation braking, vehicle Pneumatic braking system still can normally be worked.
accompanying drawing explanation:
Accompanying drawing 1 is the structural representation of double acting electronic control pneumatic brake valve in the utility model.
Accompanying drawing 2 is structural representations of Vehicular brake device in the utility model.
Reference numeral: brake pedal 1, pedal displacement sensor 2, upload lever 3, upper driving spring 4, lever 5, drive link 6, driving spring 7, armature 8, magnet coil 9, spool control end 10, valve body 11, controller 12, electrical motor 13, high pressure gas holder 14, electrokinetic cell 15, motor controller 16.
the specific embodiment:
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, the utility model proposes a kind of double acting electronic control pneumatic brake valve, be provided with valve body 11, on valve body, offer spool chamber, in spool chamber, be provided with spool, on valve body 11, also offer the admission port corresponding with spool chamber and air taking port, the control end of spool is connected with brake pedal 1 end through connecting rod mechanism respectively, it is characterized in that being also provided with electrical control mechanism between spool control end 10 and brake pedal 1, described electrical control mechanism comprises drive link 6, driving spring 7, armature 8 and magnet coil 9, wherein drive link 6 is connected with armature 8 through driving spring 7, magnet coil 9 is positioned at armature 8 belows and acts on armature 8.
The connecting rod mechanism being connected with brake pedal 1 end with spool control end 10 in the utility model comprises uploads lever 3, upper driving spring 4 and lever 5, wherein uploading lever 3 is connected with lever 5 through uploading spring 4, the upper end of uploading lever 3 is connected with brake pedal 1 end, and lever 5 ends are connected with spool control end 10.
On valve body 11 described in the utility model, can offer two spool chambers arranged side by side, in spool chamber, be equipped with spool, the control end of two spools is connected with brake pedal 1 end through connecting rod mechanism, wherein the lever in connecting rod mechanism 5 adopts component lever 5, the end of component lever 5 is connected with two spool control ends 10 respectively, the front end of component lever 5 through upper driving spring 4 with upload lever 3 and be connected; Correspondence is provided with two groups of electrical control mechanisms between two spool control ends and brake pedal 1 respectively.
The utility model is provided with the pedal displacement sensor 2 that is connected to brake pedal 1 end.
As shown in Figure 2, the utility model also proposes a kind of Vehicular brake device, be provided with controller 12, it is characterized in that being provided with above-mentioned double acting electronic control pneumatic brake valve, in controller 12, be provided with the solenoid controlled circuit being connected with electrical control mechanism in double acting electronic control pneumatic brake valve, the treater being connected with solenoid controlled circuit.
In controller 12 described in the utility model, be also provided with the pedal displacement signal acquisition circuit being connected with pedal displacement sensor 2 on double acting electronic control pneumatic brake valve.
The utility model in use, double acting electronic control pneumatic brake valve access Vehicular brake device, when chaufeur is stepped on brake pedal 1, controller calculates respectively car load according to the signal magnitude of pedal displacement sensor 2 and brakes required drive wheel and non-driving wheel braking force, the size of the regenerative braking moment simultaneously having applied from electric commercial vehicle power drive system acquisition drive wheel by CAN bus, according to the difference of the required total braking force of drive wheel and regenerative brake power, control the electric current of magnet coil in two proportion electro-magnets, make two air taking port A of air brake valve, B exports different air pressure, the B mouth output pressure that leads to drive wheel reduces, and the A mouth output pressure that leads to non-driving wheel is constant, thereby make motor regenerative brake power and airbrasive braking force sum on drive wheel meet car load brake request,
When occurring that electrical malfunction or signal disturb, the electromagnetic force of coil is lost, and chaufeur is by deeply stepping on brake pedal, and treadle effort will be delivered on brake activation valve spool step by step by drive link, spring and armature, thereby operation brake activation valve, the output that completes braking pressure is controlled.Whole process and traditional braking valve are basic identical, and small impact is only that the rigidity of running part reduces, and the pedal displacement that exporting same brake-pressure needs increases.
The utility model compared with prior art, have the following advantages: (1) can realize according to different controlled condition mechanical braking and two kinds of functions of electric control braking, in electric control braking process, electronic controller is controlled the electric current of magnet coil according to the signal magnitude of pedal position sensor, thus the electromagnetic force of control action on relief pressure valve cartridge; (2) driver pedal power can act on by mechanical action end and spring thereof the output pressure of directly controlling A mouth on relief pressure valve cartridge, meanwhile, ratio magnet coil and armature can be by electromagnetic force on brake activation valve spools, thereby realize double-acting spool, control the size of making a concerted effort to have determined air pressure output of dual force; (3) under electronic control module and suitable control method are controlled, can independently control easily the compression air brake power of drive wheel, for possessing the new-energy automobile braking energy of regenerative brake ability, reclaim reserved braking force, improve the braking energy percent recovery, (4) in addition, when electrical malfunction, only adopt the pedal of chaufeur to carry out power operation braking, vehicle Pneumatic braking system still can normally be worked.
Claims (6)
1. a double acting electronic control pneumatic brake valve, be provided with valve body, on valve body, offer spool chamber, in spool chamber, be provided with spool, on valve body, also offer the admission port corresponding with spool chamber and air taking port, the control end of spool is connected with brake pedal end through connecting rod mechanism respectively, it is characterized in that being also provided with between spool control end and brake pedal electrical control mechanism, described electrical control mechanism comprises drive link, driving spring, armature and magnet coil, wherein drive link is connected with armature through driving spring, and magnet coil is positioned at armature below and acts on armature.
2. a kind of double acting electronic control pneumatic brake valve according to claim 1, it is characterized in that the connecting rod mechanism being connected with brake pedal end with the control end of spool comprises uploads lever, upper driving spring and lever, wherein uploading lever is connected with lever through uploading spring, the upper end of uploading lever is connected with brake pedal end, and lever end is connected with spool control end.
3. a kind of double acting electronic control pneumatic brake valve according to claim 1, it is characterized in that offering on described valve body two spool chambers arranged side by side, in spool chamber, be equipped with spool, the control end of two spools is connected with brake pedal end through connecting rod mechanism, wherein the lever in connecting rod mechanism adopts component lever, the end of component lever is connected with two spool control ends respectively, the front end of component lever through upper driving spring with upload lever and be connected; Correspondence is provided with two groups of electrical control mechanisms between two spool control ends and brake pedal respectively.
4. a kind of double acting electronic control pneumatic brake valve according to claim 1, is characterized in that being provided with the pedal displacement sensor that is connected to brake pedal end.
5. a Vehicular brake device, be provided with controller, it is characterized in that being provided with double acting electronic control pneumatic brake valve as described in any one in claim 1-4, in controller, be provided with the solenoid controlled circuit being connected with electrical control mechanism in double acting electronic control pneumatic brake valve, the treater being connected with solenoid controlled circuit.
6. a kind of Vehicular brake device according to claim 5, is characterized in that being also provided with in described controller the pedal displacement signal acquisition circuit being connected with pedal displacement sensor on double acting electronic control pneumatic brake valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339102.1U CN203902532U (en) | 2014-06-24 | 2014-06-24 | Double-acted electrically-controlled and pneumatic brake valve and vehicle brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339102.1U CN203902532U (en) | 2014-06-24 | 2014-06-24 | Double-acted electrically-controlled and pneumatic brake valve and vehicle brake device |
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| Publication Number | Publication Date |
|---|---|
| CN203902532U true CN203902532U (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420339102.1U Expired - Fee Related CN203902532U (en) | 2014-06-24 | 2014-06-24 | Double-acted electrically-controlled and pneumatic brake valve and vehicle brake device |
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| Country | Link |
|---|---|
| CN (1) | CN203902532U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104044572A (en) * | 2014-06-24 | 2014-09-17 | 哈尔滨工业大学（威海） | Double-acting electronically-controlled pneumatic braking valve and vehicle braking system |
| CN116394891A (en) * | 2023-04-06 | 2023-07-07 | 徐州淮海新能源汽车有限公司 | Brake structure for new energy automobile |
-
2014
- 2014-06-24 CN CN201420339102.1U patent/CN203902532U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104044572A (en) * | 2014-06-24 | 2014-09-17 | 哈尔滨工业大学（威海） | Double-acting electronically-controlled pneumatic braking valve and vehicle braking system |
| CN116394891A (en) * | 2023-04-06 | 2023-07-07 | 徐州淮海新能源汽车有限公司 | Brake structure for new energy automobile |
| CN116394891B (en) * | 2023-04-06 | 2023-09-22 | 徐州淮海新能源汽车有限公司 | Brake structure for new energy automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20160624 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |