CN2843916Y - Electric-vortex speed slower - Google Patents
Electric-vortex speed slower Download PDFInfo
- Publication number
- CN2843916Y CN2843916Y CN 200520020517 CN200520020517U CN2843916Y CN 2843916 Y CN2843916 Y CN 2843916Y CN 200520020517 CN200520020517 CN 200520020517 CN 200520020517 U CN200520020517 U CN 200520020517U CN 2843916 Y CN2843916 Y CN 2843916Y
- Authority
- CN
- China
- Prior art keywords
- rotor
- iron core
- current vortex
- stator body
- winding
- 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 - Lifetime
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Abstract
The utility model relates to an eddy current retarder. The utility model is characterized in that a stator body is installed on an automobile gearbox through a fixed disk; an iron core and a winding of which the centers are positioned on the identical circumference of a circle are installed in the stator body; a front rotor is connected with an output shaft of the automobile gearbox after connected to a flange, a shouldered stud bolt and an output flange of the automobile gearbox; a back rotor is connected to a transmission shaft after connected with a flange, a shouldered stud bolt and a flange of the transmission shaft; air gap is arranged between the two rotors and a magnetic yoke which presents an integral structure with the iron core; the inner part of a coil is provided with a temperature sensor; both sides of the stator body, which are positioned at the central circumference of the winding and the iron core, are respectively provided with a temperature sensor. The utility model can effectively ensure the efficacy of a braking system, can make a vehicle run safely with low failure rate, and has the advantages of stable speed reduction with safety and reliability, no dust, no noise and basically maintenance free.
Description
Technical field:
The utility model relates to a kind of brake device for car, and is particularly contactless and produce brake torque based on electromagnetic principle, retarding device that can stepless control.
Background technology:
Traditional brake system of car adopts friction clutch (contact) to realize the deceleration of automobile.This contact brake equipment is very easily heating owing to the friction between the brake plate, produces high temperature, dust and noise, and its braking potential reduces along with increasing of number of times of braking, and is not only improper economically, and the vehicle in travelling is caused danger.
General current vortex retarder yoke and iron core are separate type, vibrated easily separated, winding does not have the antidetonation structure, in exercising, vehicle easily is moved, no retarder stator and temperature of rotor monitoring, be difficult to adapt to different environment and road conditions, particularly long down-hill the travelling in mountain area braked for a long time and made retarder stator and the too high control of temperature of rotor.
Summary of the invention:
The purpose of this utility model is to overcome the weak point that exists in the above-mentioned technology, provides a kind of deceleration steady, safe and reliable, manually or automatically realizes the contactless auxiliary brake device for automobile of stepless brake according to road conditions and travel conditions.
In order to achieve the above object, the technical solution of the utility model is: stator body is installed on the automobile gearbox by reaction plate, the center is installed in the stator body at same circumference upper core and winding, preceding rotor is by connecting flange disc, band shoulder thru-bolt and automobile gearbox output flange disc connect with the automobile gearbox output shaft, rear rotor is by connecting flange disc, band shoulder thru-bolt and transmission shaft flange disc and propeller shaft couplings, between front and back rotor and the yoke air gap is arranged, yoke and iron core are integrative-structure, device has temperature sensor in the coil, and the stator body both sides are positioned at winding, on the core center circumference respectively device temperature sensor is arranged.
The utility model has the advantages that:
Effect of the present utility model is: can guarantee the usefulness of brake system effectively, make vehicle safe driving; Fault rate is very low, almost need not safeguard; Cost is low, and is good in economic efficiency; Simple to operate light, be quick on the draw, the work noiseless, moderating process is submissive mild, makes driver and passenger feel steadily comfortable.Can with ABS (antiblock device) and ABR vehicle safety system compatibilities such as (preventing skid on snow systems), and can be easily be connected with existing other system, further guaranteed the vehicle ' process safe.Significantly reduced consequent dust, reduced brake oil, certain effect has been played in environmental protection.Particularly make current vortex retarder work more reliable; Be the mode of operation of driver monitoring current vortex retarder, in time take corresponding measure to provide convenience, alleviated the working strength of chaufeur; Can adapt to the different state of different vehicle conditions, road conditions and vehicle more neatly, make things convenient for automobile to carry out continuously, frequently brake on the long slope of mountain highway, safety traffic makes vehicle reach higher average ground speed.The utlity model has slow down steadily, safety, reliable, no dust, noiselessness, need not safeguard substantially, and can manually or automatically realize the contactless auxiliary brake device for automobile of stepless brake, with the raising automobile brake perfrmance according to road conditions and travel conditions.
Description of drawings:
Fig. 1 is the utility model structural representation;
Fig. 2 is the scheme drawing of the utility model winding.
Specific embodiments:
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
By Fig. 1-Fig. 2 as can be known, stator body 12 is installed on the automobile gearbox by reaction plate 1, the center is installed in the stator body 12 at same circumference upper core 20 and winding 9, preceding rotor 3 is by connecting flange disc 16, band shoulder thru-bolt 17 and automobile gearbox output flange disc connect with the automobile gearbox output shaft, rear rotor 14 is by connecting flange disc 16, band shoulder thru-bolt 17 and transmission shaft flange disc and propeller shaft couplings, front and back rotor 3,13 with yoke 2, air gap is arranged between 19, yoke 2,19 with iron core 20 be integrative-structure, device has temperature sensor 25 in the coil 8, and stator body 12 both sides are positioned at winding 9, on iron core 20 center circumferential respectively device temperature sensor 23 is arranged, 24.
The quantity of iron core 20 and winding 9 is the even number more than 8 at least.
On rotor 3,13, blade 21 is arranged.
Key 27 with coil rack 11 one is arranged in the coil rack 11 of winding 9.
Have keyway 22 at iron core 20 cylindricals.
Temperature sensor 25 is housed in the coil 8.
Between end cap 6 or end cap 10 and coil 8, be equipped with wavy spring 7.
The electric sheet 4 of adjustment is arranged between reaction plate 1 and the stator body 12.
The electric sheet 15 of adjustment is arranged between rear rotor 13 and mounting flange 16.
Winding 9 has vibration proof structure.Yoke 2,19 and iron core 20 are integral structure, and what prevented effectively that separate type from being vibrated rear magnetic yoke 2,19 and iron core 20 may cause separates and jeopardize vehicle ' and safety.Key 27 with coil rack 11 one is arranged in the coil rack 11, cooperate with keyway 22 on the iron core 20 to prevent that iron core 20 from rotating.Wavy spring 7 is close in stator body 12 inner chambers winding 9, avoids winding 9 to be vibrated and is subjected to displacement.With bolt that iron core 20 is fixing with stator body 12, and make each iron core 20 center on same circumference.
Forward and backward rotor 3,13 is a conductor, integral structure, and be provided with ventilation blade 21, to rotor 3,13 heat radiations.
Maintain certain air gap between rotor 3,13 and the yoke 2,19, after the driver started current vortex retarder, coil passed to 12V or 24V DC current, formed magnetic field.During running car, rotor rotates simultaneously, cutting magnetic line.According to electromagnetic principle, in rotor, will produce current vortex.The current vortex that is in the magnetic field will produce the moment opposite with sense of motion, shaft speed be reduced, thereby make automobile slow, and rotor then generates heat because of the energy that absorbs the slow process of automobile brake.
Temperature sensor 25 is arranged in the coil 8, and when coil 8 temperature rises surpass setting value, control system will be reported to the police, and according to circumstances manual or automatic compensation brake torque.
Stator body 12 both sides are positioned on the winding iron core center circumferential respectively that device has temperature sensor, are used to detect the temperature rise of forward and backward rotor.When current, rear rotor temperature rise surpasses setting value, control system will be reported to the police, and according to circumstances manual or automatically regulating brake torque.
In this current vortex retarder, stator body 12 is an integral structure, and 8 iron cores 20 are fixed on the stator body by bolt 26, makes yoke 2,19, iron core 20 on same circumference, and end face at grade.Stator body 12 is connected with automobile gearbox by bolt and packing ring by fixed mount 1.
Before rotor 3 make by conductor, by connecting flange disc 16, band shoulder thru-bolt 17, nut 14, automobile gearbox output flange disc and bolt connect with the automobile gearbox output shaft.
Rear rotor 13 is made by conductor, by connecting flange disc 16, and band shoulder thru-bolt 17, nut 18, propeller-shaft flange disc and bolt connect with propeller-shaft.
Maintain certain air gap between rotor 3 and yoke 2 end faces before making by bearing cap shim 4; Make between rear rotor 13 and yoke 19 end faces by bearing cap shim 15 and to maintain certain air gap.
Winding 9 has vibration proof structure.Coil rack 11 has with skeleton 11 and is the key 27 of one, cooperates with keyway 22 on the iron core 20 to prevent that iron core from rotating.Bolt 26 is fixing with stator body 12 with iron core 20, and makes each iron core 20 center on same circumference.Wavy spring 7 is close in stator body 12 inner chambers winding 9, avoids winding 9 to be vibrated and is subjected to displacement.
After the driver was by manual or foot-operated startup current vortex retarder, coil 8 passed to 12V or 24V DC current, forms magnetic field.When running car, preceding rotor 3 and rear rotor 13 rotate simultaneously, cutting magnetic line.According to electromagnetic principle, in forward and backward rotor, will produce current vortex.The current vortex that is in the magnetic field will produce the moment opposite with sense of motion, shaft speed be reduced, thereby make automobile slow, and forward and backward rotor then generates heat because of the energy that absorbs the slow process of automobile brake.
Because long, when causing coil 8 temperature rises to surpass setting value, send alerting signal by control system by winding coil temperature sensor 25 apart from descent run or other reasons.The driver can be according to circumstances manually or by system's automatic compensation current vortex retarder mode of operation.
Stator body 12 both sides are positioned on winding 9 iron cores 20 center circumferential respectively that device has temperature of rotor sensor 23,24, are used to detect the temperature rise of forward and backward rotor 3,13.Since long apart from descent run or other reasons, when causing forward and backward rotor 3,13 temperature rises to surpass setting value,, send alerting signal by control system by temperature of rotor sensor 23,24.The driver can be according to circumstances manually or by system's automatic compensation current vortex retarder mode of operation.
When automotive operation during on the descending road surface, the driver can press constant speed descending command switch according to the speed of a motor vehicle that relatively was fit at that time, and vehicle will be by selected speed constant speed drive, if want to remove this function, the driver can click command switch again can remove this function.
Claims (9)
1. current vortex retarder, comprise rotor, stator body, wavy spring, it is characterized in that: stator body (12) is installed on the automobile gearbox by reaction plate (1), the center is installed in the stator body (12) at same circumference upper core (20) and winding (9), preceding rotor (3) is by connecting flange disc (16), band shoulder thru-bolt (17) and automobile gearbox output flange disc connect with the automobile gearbox output shaft, rear rotor (14) is by connecting flange disc (16), band shoulder thru-bolt (17) and transmission shaft flange disc and propeller shaft couplings, front and back rotor (3), (13) with yoke (2), air gap is arranged (19), yoke (2), (19) be integrative-structure with iron core (20), device has temperature sensor (25) in the coil (8), and stator body (12) both sides are positioned at winding (9), on iron core (20) center circumferential respectively device temperature sensor (23) is arranged, (24).
2. current vortex retarder according to claim 1 is characterized in that: the quantity of iron core (20) and winding (9) is the even number more than 8 at least.
3. current vortex retarder according to claim 1 is characterized in that: blade (21) is arranged on rotor (3), (13).
4. current vortex retarder according to claim 1 is characterized in that: the key (27) with coil rack (11) one is arranged in the coil rack (11) of winding (9).
5. current vortex retarder according to claim 1 is characterized in that: have keyway (22) at iron core (20) cylindrical.
6. current vortex retarder according to claim 1 is characterized in that: temperature sensor (25) is housed in the coil (8).
7. current vortex retarder according to claim 1 is characterized in that: be equipped with wavy spring (7) between end cap (6) or end cap (10) and coil (8).
8. current vortex retarder according to claim 1 is characterized in that: the electric sheet (4) of adjustment is arranged between reaction plate (1) and the stator body (12).
9. current vortex retarder according to claim 1 is characterized in that: the electric sheet (15) of adjustment is arranged between rear rotor (13) and mounting flange (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520020517 CN2843916Y (en) | 2005-03-30 | 2005-03-30 | Electric-vortex speed slower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520020517 CN2843916Y (en) | 2005-03-30 | 2005-03-30 | Electric-vortex speed slower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2843916Y true CN2843916Y (en) | 2006-12-06 |
Family
ID=37485870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520020517 Expired - Lifetime CN2843916Y (en) | 2005-03-30 | 2005-03-30 | Electric-vortex speed slower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2843916Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887902A (en) * | 2012-12-19 | 2014-06-25 | 泰乐玛汽车制动系统（上海）有限公司 | Stator assembly and retarder using the same |
| CN105191089A (en) * | 2013-03-14 | 2015-12-23 | 麦格纳驱动公司 | Apparatus, systems, and methods for monitoring elevated temperatures in rotating couplings and drives |
-
2005
- 2005-03-30 CN CN 200520020517 patent/CN2843916Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887902A (en) * | 2012-12-19 | 2014-06-25 | 泰乐玛汽车制动系统（上海）有限公司 | Stator assembly and retarder using the same |
| CN105191089A (en) * | 2013-03-14 | 2015-12-23 | 麦格纳驱动公司 | Apparatus, systems, and methods for monitoring elevated temperatures in rotating couplings and drives |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150330 Granted publication date: 20061206 |
|
| DD01 | Delivery of document by public notice |
Addressee: Dai Xin Document name: Notification of Expiration of Patent Right Duration |