CN2492438Y - Magnetic field retarder for vehicle brake system - Google Patents
Magnetic field retarder for vehicle brake system Download PDFInfo
- Publication number
- CN2492438Y CN2492438Y CN 01243088 CN01243088U CN2492438Y CN 2492438 Y CN2492438 Y CN 2492438Y CN 01243088 CN01243088 CN 01243088 CN 01243088 U CN01243088 U CN 01243088U CN 2492438 Y CN2492438 Y CN 2492438Y
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- circuit
- mouth
- automobile
- brake
- retarder
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- Expired - Fee Related
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Abstract
A magnetic-field retarder in the automobile braking system has the primary characteristics that a controlling part comprises an automobile battery (1), an auxiliary battery (2), a braking power source (3) and a multi-level retarding controlling system; wherein, the anode end of the automobile battery (1) is connected to the input end of the auxiliary power source (2) and the braking power source (3), each level of the retarding controlling systems comprises a pressure sensing circuit (5), a main controlling circuit (6) and a braking retarding coil (7); wherein, the output end of the pressure sensing circuit (5) is connected to the controlling end of the main controlling circuit (6), the output end of the braking power source (3) is connected to the input end of the main controlling circuit (6), the output end of the main controlling circuit (6) is connected to one end of the braking retarding coil (7), the other end of the braking retarding coil (7) is connected to the cathode end of the automobile battery (1), which realizes a favorable retarding effect, has high automation degree, can effectively avoid the decrease of the pressure and the increase of the temperature and has less malfunction.
Description
1, technical field:
The utility model relates to the magnetic field retarder in the automobile brake system.
2, background technology:
At present, the market brake system of getting on the car has many assist brake mechanisms that are equipped with, electric eddy speed reducing device for example, it mainly acts on is to eliminate automobile inertia under steam rapidly, reduces the moving velocity of automobile, automobile brake system is being worked under the environment preferably, it is little for the previous period to work, and the vehicle brake shoe pad wear is less during brake, and it is not serious to generate heat, the service life of the parts of automobile brake system is longer, increases the safety of automobile.Its principle of work is: the disk that excitation coil of installing in fixing stator case and transmission shaft link together is called rotor, very little gap is arranged between rotor and stator, during normal vehicle operation, rotor freely rotates, when electric current will produce magnetic field force during by stator coil, the magnetic field force that this rotor disk produces and the magnetic field force mutual action of stator coil produce the magnetic field force opposite with its hand of rotation, thereby trailing wheel are slowed down rapidly on rotor disk.Mainly there is following shortcoming in present electric eddy speed reducing device: owing to have only the one-level brake, often just work after depressing braking vane one segment distance, it is insensitive to work, can not be according to the pressure of the moving velocity of automobile and stretcher and automatically regulating electric eddy speed reducing device is supplied to the electric current of stator coil, therefore the deceleration effect that produces is not ideal enough, make the driver comfortable inadequately, power supply adopts negative pole control, still produce pressure drop and temperature rise, influence the work of electric eddy speed reducing device, electric current is simple in structure, basically belong to mechanical, therefore braking effect is bad, adopts relay control, the relay contact problem such as bad that disappears easily occurs.
3, summary of the invention:
The purpose of this utility model provides the magnetic field retarder in a kind of automobile brake system, and it adopts the method for Multistage Control, and the pressure during according to brake increases the intensity in slow magnetic field automatically, adopts positive source control, reaches slow preferably effect.
The utility model is achieved by the following technical solution: it comprises mechanics and control part, it is characterized in that control part comprises automobile batteries, accessory feed, power brake source, multistage retarder control system, the positive terminal of automobile batteries is connected the input end of accessory feed and power brake source, each grade retarder control system turnkey is drawn together pressure sensor circuit, governor circuit and the slow coil of brake, the mouth of pressure sensor circuit is connected the control end of governor circuit, the mouth of power brake source is connected the input end of governor circuit, the mouth of governor circuit is connected an end of the slow coil of brake, and the slow coil other end that brakes connects the negative pole end of automobile batteries.
Above-mentioned described control part also comprises speed sensor, voltage to frequency conversion and speed indicating circuit, accessory feed is speed sensor, voltage to frequency conversion power supply, the mouth of speed sensor is connected the input end of voltage to frequency conversion, the mouth of voltage to frequency conversion is connected the control end of power brake source, power brake source actuating speed indicating circuit.
Above-mentioned described control part also comprises thermal-shutdown circuit and temperature sensing circuit, and the mouth of temperature sensing circuit is connected the input end of thermal-shutdown circuit, the K switch 6 of the mouth control major loop of thermal-shutdown circuit.
The utility model compared with prior art has following advantage: 1, adopt the method for Multistage Control, the size of the pressure during according to brake increases the intensity in slow magnetic field automatically, reaches slow preferably effect, and degree of automation is higher; 2, employing is effectively avoided the generation of phenomenons such as pressure drop and temperature build-up to the control of automobile batteries positive pole; 3, cancelled the control of relay, and controlled with the precise electronic vigour part of high integration, fault is less, reaches to control effect preferably.
4, description of drawings:
Below in conjunction with accompanying drawing the utility model is done detailed explanation:
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2 is the cooresponding circuit diagram of Fig. 1;
Fig. 3 is the partial enlarged drawing of Fig. 2;
Fig. 4 is another partial enlarged drawing of Fig. 2;
Fig. 5 is the enlarged drawing of the 3rd part of Fig. 2.
5, the specific embodiment:
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, the utility model comprises mechanics and control part, control part comprises automobile batteries (1), accessory feed (2), power brake source (3), multistage retarder control system, the positive terminal of automobile batteries (1) is connected the input end of accessory feed (2) and power brake source (3), each grade retarder control system turnkey is drawn together pressure sensor circuit (5), governor circuit (6) and brake slow coil (7), the mouth of pressure sensor circuit (5) is connected the control end of governor circuit (6), the mouth of power brake source (3) is connected the input end of governor circuit (6), the mouth of governor circuit (6) is connected an end of the slow coil of brake (7), and slow coil (7) other end that brakes connects the negative pole end of automobile batteries (1).
Control part also comprises speed sensor (8), voltage to frequency conversion (9) and speed indicating circuit (10), accessory feed (2) is speed sensor (8), voltage to frequency conversion (9) power supply, the mouth of speed sensor (8) is connected the input end of voltage to frequency conversion (9), the mouth of voltage to frequency conversion (9) is connected the control end of power brake source (3), power brake source (3) actuating speed indicating circuit (10).
Control part also comprises thermal-shutdown circuit (11) and temperature sensing circuit (4), and the mouth of temperature sensing circuit (4) is connected the input end of thermal-shutdown circuit (11), the K switch 6 of the mouth control major loop of thermal-shutdown circuit (11).
Principle of work of the present utility model is as follows:
1) be in when stopping motoring condition when automobile, the speed sensor (8) that photoelectric sensor is formed
The frequency that induces is zero, and voltage to frequency conversion (9) output low level is delivered to the of IC4
2 pin and the 3rd pin compare, and IC4 fails to overturn, and Q1, Q2 end, and the V2 no-voltage is defeated
Go out, speed light does not work;
2) when the automobile normal running state, the sense of the speed sensor (8) that photoelectric sensor is formed
The impulse rate that should come out is sent to the low Gao Ping of voltage to frequency conversion (9) output, delivers to the of IC4
2 pin and the 3rd pin compare, the IC4 upset, and Q1, Q2 conducting, power supply is through three-terminal voltage-stabilizing
Export V2 behind the device, speed light is bright.Simultaneously, because pressure sensor is to disconnect, IC5A,
The signal input pin of IC5B, IC5C is unsettled and be in high level, so output pin is low level,
Q4～Q9 all ends, and Q10～Q15 turn-offs, and the slow coil L1～L3 that brakes does not all have
Stream.
3) when automobile is in braking state, pressure-sensitive switch K2 at first connects, and IC5A first pin is put
Level becomes low level behind the C21 discharge off, and IC5A exports high level, Q4, Q7 conducting,
The voltage of V2 is added to through Q7 and makes its conducting on Q10, the Q15, brakes slow coil L1's
Electric current increases rapidly, produces the magnetic field application force to reach 50% slow and braking effect.When stopping
When car pressure continued to increase, pressure-sensitive switch K2 and K3 connected simultaneously, and slow coil brakes
The electric current of L2 increases rapidly, with L1 produce simultaneously magnetisation field action power with reach 75% slow
And braking effect; When brake pressure continues to increase, pressure-sensitive switch K2 and K3, K4
Connect simultaneously, the electric current of the slow coil L3 that brakes increases rapidly, produces life simultaneously with L1, L2
The magnetic field application force is to reach 100% slow and braking effect;
4) overheat protector.When the operating temperature of MOSFET parts such as Q10～Q15 reaches 85 when spending; excess temperature K switch 5 is connected; the state turnover of NAND gate IC5D; tripod is changed to high level; Q17 is by making the 6th pin of IC6 be in low level state and turn-off tripod no-output, the K6 actuating of relay; cut off the electricity supply, reach the purpose of protection MOSFET part.
Claims (3)
1, magnetic field retarder in the automobile brake system, comprise mechanics and control part, it is characterized in that control part comprises automobile batteries (1), accessory feed (2), power brake source (3), multistage retarder control system, the positive terminal of automobile batteries (1) is connected the input end of accessory feed (2) and power brake source (3), each grade retarder control system turnkey is drawn together pressure sensor circuit (5), governor circuit (6) and brake slow coil (7), the mouth of pressure sensor circuit (5) is connected the control end of governor circuit (6), the mouth of power brake source (3) is connected the input end of governor circuit (6), the mouth of governor circuit (6) is connected an end of the slow coil of brake (7), and slow coil (7) other end that brakes connects the negative pole end of automobile batteries (1).
2, the magnetic field retarder of automobile brake system according to claim 1, it is characterized in that control part also comprises speed sensor (8), voltage to frequency conversion (9) and speed indicating circuit (10), accessory feed (2) is speed sensor (8), voltage to frequency conversion (9) power supply, the mouth of speed sensor (8) is connected the input end of voltage to frequency conversion (9), the mouth of voltage to frequency conversion (9) is connected the control end of power brake source (3), power brake source (3) actuating speed indicating circuit (10).
3, the magnetic field retarder in the automobile brake system according to claim 1; it is characterized in that control part also comprises thermal-shutdown circuit (11) and temperature sensing circuit (4); the mouth of temperature sensing circuit (4) is connected the input end of thermal-shutdown circuit (11), the K switch 6 of the mouth control major loop of thermal-shutdown circuit (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01243088 CN2492438Y (en) | 2001-08-08 | 2001-08-08 | Magnetic field retarder for vehicle brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01243088 CN2492438Y (en) | 2001-08-08 | 2001-08-08 | Magnetic field retarder for vehicle brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2492438Y true CN2492438Y (en) | 2002-05-22 |
Family
ID=33654749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01243088 Expired - Fee Related CN2492438Y (en) | 2001-08-08 | 2001-08-08 | Magnetic field retarder for vehicle brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2492438Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092377A (en) * | 2011-01-11 | 2011-06-15 | 谢陵波 | Active intrusive retarding system |
| CN105083028A (en) * | 2015-09-14 | 2015-11-25 | 盐城市步高汽配制造有限公司 | Torque increasing braking device of self-excitation type retarder |
| CN105172763A (en) * | 2015-09-18 | 2015-12-23 | 宁波润佳汽车安全系统有限公司 | Safety protection device for driver in emergency braking process of automobile |
-
2001
- 2001-08-08 CN CN 01243088 patent/CN2492438Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092377A (en) * | 2011-01-11 | 2011-06-15 | 谢陵波 | Active intrusive retarding system |
| CN102092377B (en) * | 2011-01-11 | 2012-11-07 | 谢陵波 | Active intrusive retarding system |
| CN105083028A (en) * | 2015-09-14 | 2015-11-25 | 盐城市步高汽配制造有限公司 | Torque increasing braking device of self-excitation type retarder |
| CN105083028B (en) * | 2015-09-14 | 2017-03-15 | 盐城市步高汽配制造有限公司 | Brake unit is turned round in a kind of increasing of self-excitation retarder |
| CN105172763A (en) * | 2015-09-18 | 2015-12-23 | 宁波润佳汽车安全系统有限公司 | Safety protection device for driver in emergency braking process of automobile |
| CN105172763B (en) * | 2015-09-18 | 2017-10-24 | 宁波润佳汽车安全系统有限公司 | For safety guard of the driver in automobile urgent brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGZHOU CITY ANDUER AUTO PARTS CO.LTD. Free format text: FORMER OWNER: LU SHUJUN Effective date: 20040116 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20040116 Address after: 510000, Rose Road, Xindu Avenue, Huadu District, Guangdong, Guangzhou 2 Patentee after: Guangzhou City Seoul auto parts Co. Ltd. Address before: 528414, Guangdong Province, Xiaolan Town, Zhongshan Province Management Zone Patentee before: Lu Shujun |
|
| ASS | Succession or assignment of patent right |
Owner name: LU SHUJUN Free format text: FORMER OWNER: GUANGZHOU CITY ANDUER AUTO PARTS CO.LTD. Effective date: 20050401 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20050401 Address after: 525252 Guangdong City, Gaozhou Province Jin Tun Industrial Park, Gaozhou city can Machinery Co., Ltd. Patentee after: Lu Shujun Address before: 510000, Rose Road, Xindu Avenue, Huadu District, Guangdong, Guangzhou 2 Patentee before: Guangzhou City Seoul auto parts Co. Ltd. |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |