CN201951264U - Electric eddy current retarder - Google Patents
Electric eddy current retarder Download PDFInfo
- Publication number
- CN201951264U CN201951264U CN2011200684915U CN201120068491U CN201951264U CN 201951264 U CN201951264 U CN 201951264U CN 2011200684915 U CN2011200684915 U CN 2011200684915U CN 201120068491 U CN201120068491 U CN 201120068491U CN 201951264 U CN201951264 U CN 201951264U
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- stator
- excitation coil
- assembly
- flange
- plate assembly
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The utility model relates to an electric eddy current retarder, a mounting frame for the electric eddy current retarder is fixed on a rear end cover of an automobile transmission case, and a stator assembly and the mounting frame are positioned and connected; magnetic cores of a set of excitation coil are uniformly distributed, positioned and mounted on a center ring of a left mounting plate assembly, and the left mounting plate assembly, a right mounting plate assembly, and the magnetic cores and the excitation coil which are positioned and mounted between the left and the right mounting plate assemblies constitute the stator assembly; a flange plate at the center, a left rotor and a right rotor are positioned and connected into a whole to constitute a rotor assembly; and the left side of the flange plate is connected with a coupling of an output shaft of the transmission case through a rabbet and a bolt, and the right side of the flange plate is connected with a universal transmission shaft of an automobile. An outer circle of the flange plate and an inner ring of the excitation coil are concentrically positioned, an annular gap is formed between the outer circle of the flange plate and the inner ring of the excitation coil, and the flange plate and the excitation coil are not in contact with each other. When the automobile needs to slow down, the electric eddy current retarder is opened and can help the automobile to slow down, thereby reducing rapid abrasion of a brake device of the automobile caused by frequent and long-term braking and slowing down.
Description
Technical field
The utility model relates to a kind of speed reduction device for automobile, and is particularly a kind of when automobile needs drag, can help to slow down the current vortex retarder of the speed of a motor vehicle.
Background technology
Automobile is along the hill path descending, particularly during lower long slope, or loiters on crowded highway, needs frequent and long-time brake deceleration, causes the brake device for car rapid wearing.
The utility model content
The technical problems to be solved in the utility model provides that a kind of stator that utilizes motor rotates relatively with rotor, produce resistance during cutting magnetic line, can slow down the current vortex retarder of the principle design of the speed of a motor vehicle.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of current vortex retarder, and its mounting bracket is fixed on the automobile gearbox rear side housing by positioning spigot and tie bolt, and stator assembly is located by connecting by bolt and mounting bracket; The left adapter plate assembly of Connection Block and stator left side board and the integrally welded composition of stator discs, the right adapter plate assembly of stay bearing plate and the integrally welded composition of stator right side board; Magnetic core is distributed on the center ring of left adapter plate assembly, and location and installation is on the screw of stator left side board, and two ends are provided with up and down that the excitation coil of neonychium is sleeved on the magnetic core; The right adapter plate assembly of being made up of stay bearing plate and stator right side board is installed in the right side of magnetic core by bolt, is provided with protection pad, lid and corrugated gasket between magnetic core and stator right side board; Form stator assembly by left adapter plate assembly and right adapter plate assembly and the magnetic core and the excitation coil of location and installation between them; Flange placed in the middle and left rotor and right-hand rotation are located by connecting and are integral, and form armature; The seam that passes on left of flange is connected with the output shaft coupler of change speed gear box with bolt, and the right side of flange is connected with the automobile universal drive shaft.The excitation coil that is distributed on the center ring of left adapter plate assembly is connected with binding post in the junction block by lead.The inner ring concentric locating of the cylindrical of described flange and excitation coil is provided with annular gap between the cylindrical of flange and the inner ring of excitation coil, does not contact mutually.The described left rotor and the son of turning right adopt the structure of centrifugal pump impeller, the left rotor and the son of turning right are made up of casting all-in-one-piece terminal pad and heat-dissipating impeller, the external diameter of terminal pad equates that with the external diameter of flange the external diameter of heat-dissipating impeller equates with the external diameter of stator assembly.
The beneficial effects of the utility model are:
1. when the excitation excitation coil of current vortex retarder is switched on, produce powerful magnetic field,, produce vortex flow in inside with rotor cutting magnetic line in rotary course of car transmissions interlock.The magnetic field interaction that magnetic field that vortex flow produces and stator exciting coil produce produces the moment with the transmission shaft direction of rotation, fully consumes vehicle energy, plays deceleration effort, and a large amount of heats of generation are taken away by air.When automobile along the hill path descending, particularly during lower long slope, or on crowded highway, loiter, when needing frequent and long-time brake deceleration, open current vortex retarder with the car transmissions interlock, it can provide the deceleration resistance, help vehicle deceleration, minimizing causes the brake device for car rapid wearing because of frequent and long-time brake deceleration.
2. although the current vortex retarder operating voltage has only 24 volts, but persistent current is all more than 80 amperes during work, transient peak can reach 150～300 amperes, powerful current vortex discharges huge heat energy, the temperature of rotor superelevation can reduce the lock torque of current vortex retarder, even causes accident.The utility model adopts the structure of centrifugal pump impeller, and the external diameter of rotor terminal pad is less than the internal diameter of stator assembly, but the external diameter of rotor heat-dissipating impeller equates with the external diameter of stator assembly; The external diameter of rotor heat-dissipating impeller increases than the external diameter of rotor terminal pad and is twice manyly, adds the unique surface modeling and the air channel design of upper rotor part heat-dissipating impeller muscle sheet, increased ventilation inlet area, reduced the air intake resistance; So can increase substantially wind speed, the powerful distinguished and admirable area of contact that produces when increasing with running is taken away heat rapidly.Through the performance test bed test of current vortex retarder, cooling air speed ratio like product of the present utility model exceeds 30%-60%, strengthened the cooling heat dissipation effect greatly, improved the B.P. under the high temperature, guarantee that current vortex retarder can keep stable brake torque, operation safely and reliably continuously at full capacity, for a long time under the temperature that designing institute allows.The brake torque deviation control is higher than the requirement of national sector standard 15% in ± 8%.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the structural representation of stator assembly.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is the C portion enlarged drawing of Fig. 3.
Fig. 6 is the B-B section-drawing of Fig. 4.
Fig. 7 is the structural representation of rotor.
Fig. 8 is the birds-eye view of Fig. 7.
Fig. 9 is the schematic perspective view of rotor.
Figure 10 is the wiring schematic diagram of excitation coil.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Embodiment 1 is shown in Fig. 1-10: a kind of current vortex retarder, and its mounting bracket 2 is fixed on the automobile gearbox rear side housing by positioning spigot and tie bolt, and stator assembly is located by connecting by bolt and mounting bracket 2; Connection Block 12 and stator left side board 3 and the left adapter plate assembly of stator discs 1 integrally welded composition, stay bearing plate 11 and the right adapter plate assembly of stator right side board 9 integrally welded compositions; 8 magnetic cores 4 are distributed on the center ring of left adapter plate assembly, and location and installation is on the screw 16 of stator left side board 3, and two ends are provided with up and down that 8 excitation coils 5 of neonychium are set on 8 magnetic cores 4; The right adapter plate assembly of being made up of stay bearing plate 11 and stator right side board 9 is installed in the right side of magnetic core 4 by bolt, is provided with between magnetic core 4 and stator right side board 9 and protects pad 13, lid 14 and corrugated gasket 15; Form stator assembly by left adapter plate assembly and right adapter plate assembly and the magnetic core 4 and the excitation coil 5 of location and installation between them; Flange 7 placed in the middle is located by connecting with the left rotor 6 and the son 10 of turning right and is integral, and forms armature; The seam that passes on left of flange 7 is connected with the output shaft coupler of change speed gear box with bolt, and the right side of flange 7 is connected with the automobile universal drive shaft.
8 excitation coils 5 that are distributed on the center ring of left adapter plate assembly are connected with binding post in the junction block 8 by lead, and binding post is connected with run switch and 24 volts of power supplys of current vortex retarder by lead.Excitation coil 5 energisings, current vortex retarder promptly produces brake resistance, slows down the speed of a motor vehicle.The inner ring concentric locating of the cylindrical of flange 7 and excitation coil 5 is provided with annular gap between the inner ring of the cylindrical of flange 7 and excitation coil 5, does not contact mutually.
The left rotor 6 and the son 10 of turning right adopt the structure of centrifugal pump impeller, the left rotor 6 and the son 10 of turning right are made up of casting all-in-one-piece terminal pad 17 and heat-dissipating impeller 18, the external diameter of terminal pad 17 equates that with the external diameter of flange 7 external diameter of heat-dissipating impeller 18 equates with the external diameter of stator assembly.The external diameter of rotor heat-dissipating impeller 18 increases than the external diameter of rotor terminal pad and is twice manyly, adds the unique surface modeling and the air channel design of upper rotor part heat-dissipating impeller muscle sheet, increased ventilation inlet area, reduced the air intake resistance; So can increase substantially wind speed, the powerful distinguished and admirable area of contact that produces when increasing with running is taken away heat rapidly.
Claims (4)
1. current vortex retarder, it is characterized in that: mounting bracket (2) is fixed on the automobile gearbox rear side housing by positioning spigot and tie bolt, and stator assembly is located by connecting by bolt and mounting bracket (2); Connection Block (12) and stator left side board (3) and the left adapter plate assembly of the integrally welded composition of stator discs (1), stay bearing plate (11) and the right adapter plate assembly of the integrally welded composition of stator right side board (9); Magnetic core (4) is distributed on the center ring of left adapter plate assembly, and location and installation is on the screw (16) of stator left side board (3), and two ends are provided with up and down that the excitation coil (5) of neonychium is sleeved on the magnetic core (4); The right adapter plate assembly of being made up of stay bearing plate (11) and stator right side board (9) is installed in the right side of magnetic core (4) by bolt, is provided with between magnetic core (4) and stator right side board (9) and protects pad (13), lid (14) and corrugated gasket (15); Form stator assembly by left adapter plate assembly and right adapter plate assembly and the magnetic core (4) and the excitation coil (5) of location and installation between them; Flange placed in the middle (7) is located by connecting with the left rotor (6) and the son (10) of turning right and is integral, and forms armature; The seam that passes on left of flange (7) is connected with the output shaft coupler of change speed gear box with bolt, and the right side of flange (7) is connected with the automobile universal drive shaft.
2. current vortex retarder according to claim 1 is characterized in that: the excitation coil (5) that is distributed on the center ring of left adapter plate assembly is connected by the binding post in lead and the junction block (8).
3. current vortex retarder according to claim 1, it is characterized in that: the inner ring concentric locating of the cylindrical of described flange (7) and excitation coil (5), be provided with annular gap between the inner ring of the cylindrical of flange (7) and excitation coil (5), do not contact mutually.
4. current vortex retarder according to claim 1, it is characterized in that: the described left rotor (6) and the son (10) of turning right adopt the structure of centrifugal pump impeller, the left rotor (6) and the son (10) of turning right are made up of casting all-in-one-piece terminal pad (17) and heat-dissipating impeller (18), the external diameter of terminal pad (17) equates that with the external diameter of flange (7) external diameter of heat-dissipating impeller (18) equates with the external diameter of stator assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200684915U CN201951264U (en) | 2011-03-16 | 2011-03-16 | Electric eddy current retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200684915U CN201951264U (en) | 2011-03-16 | 2011-03-16 | Electric eddy current retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201951264U true CN201951264U (en) | 2011-08-31 |
Family
ID=44495389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200684915U Expired - Fee Related CN201951264U (en) | 2011-03-16 | 2011-03-16 | Electric eddy current retarder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201951264U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166369A (en) * | 2011-12-13 | 2013-06-19 | 泰乐玛汽车制动***（上海）有限公司 | Retarder for transport equipment |
| CN108973696A (en) * | 2018-07-24 | 2018-12-11 | 北京工业大学 | A kind of liquid of parallel arranged construction replies conjunction retarder by cable |
| CN112994404A (en) * | 2021-03-01 | 2021-06-18 | 张勤珍 | Electric eddy speed damper |
-
2011
- 2011-03-16 CN CN2011200684915U patent/CN201951264U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166369A (en) * | 2011-12-13 | 2013-06-19 | 泰乐玛汽车制动***（上海）有限公司 | Retarder for transport equipment |
| CN108973696A (en) * | 2018-07-24 | 2018-12-11 | 北京工业大学 | A kind of liquid of parallel arranged construction replies conjunction retarder by cable |
| CN108973696B (en) * | 2018-07-24 | 2020-10-16 | 北京工业大学 | Liquid-electricity composite retarder with parallel arrangement structure |
| CN112994404A (en) * | 2021-03-01 | 2021-06-18 | 张勤珍 | Electric eddy speed damper |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20130316 |