CN112959867A - Overvoltage protection device for automobile air conditioner - Google Patents
Overvoltage protection device for automobile air conditioner Download PDFInfo
- Publication number
- CN112959867A CN112959867A CN202110123090.3A CN202110123090A CN112959867A CN 112959867 A CN112959867 A CN 112959867A CN 202110123090 A CN202110123090 A CN 202110123090A CN 112959867 A CN112959867 A CN 112959867A
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- China
- Prior art keywords
- fixedly connected
- air conditioner
- carbon brush
- bottom plate
- protection device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00592—Add-on devices, e.g. heat/cooling boxes, compartment dividers, upgrade sets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/28—Cooling of commutators, slip-rings or brushes e.g. by ventilating
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
Abstract
The invention discloses an overvoltage protection device for an automobile air conditioner, and relates to the technical field of overvoltage protection. This vehicle air conditioner overvoltage protector, through the setting of temperature sensor and coil, make this overvoltage protector possess the action sensitive, the effect that barrier propterty is good, through the cooperation setting of heat dissipation case and heat absorption piece and heat absorption ring, can realize the temperature multilayer protection to air conditioner fan at the in-process that uses, the action is sensitive when the overvoltage, the cooling is rapid, thereby overvoltage protection has been played, moreover, the steam generator is simple in structure, simple to operate's effect has reached rapid cooling, the high mesh of barrier propterty.
Description
Technical Field
The invention relates to the technical field of overvoltage protection devices, in particular to an overvoltage protection device for an automobile air conditioner.
Background
At present, the existing overvoltage protection device protects and cuts off the power supply of the electric equipment after the voltage is higher than a certain point, the application of the overvoltage protection device to the electric system with small jitter is feasible, but when the overvoltage protection device is used in the electric environment with large voltage fluctuation and interference, such as an automobile, the phenomena of jumping, jitter, oscillation and the like of the electric equipment can be generated due to the fact that some logics and filtering processing after overvoltage detection are not carried out, the air conditioner fan cannot be effectively protected when the overvoltage detection device is struck by lightning, meanwhile, misoperation can be caused, the service life of the electric equipment is shortened, and therefore the existing overvoltage protection device for the automobile air conditioner also has the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the overvoltage protection device for the automobile air conditioner, which has the advantages of good overvoltage protection performance, sensitive action, rapid heat dissipation and the like, and solves the problems in the background art.
(II) technical scheme
In order to achieve the purposes of good overvoltage protection performance, sensitive action and rapid heat dissipation, the invention provides the following technical scheme: an overvoltage protection device for an automobile air conditioner comprises a carbon brush bottom plate, brush boxes are arranged on the left side and the right side of the top of the carbon brush bottom plate, a carbon brush is arranged inside the brush boxes, a sliding column is fixedly connected to one side of the carbon brush, a buffer spring is sleeved on one side of the sliding column, a through hole matched with the sliding column is formed in one side of the brush boxes, a conducting wire is fixedly connected to the top of the carbon brush, a through groove is formed in the top of the brush boxes, a temperature sensor is fixedly connected to one side, close to the carbon brush, of the carbon brush bottom plate, an air conditioner fan is fixedly connected to the middle of the carbon brush bottom plate, a guide column is slidably connected inside the carbon brush bottom plate, a heat dissipation box is fixedly connected to the top of the carbon brush bottom plate, a heat absorption block is slidably connected inside the heat dissipation box, a heat, the heat dissipation box comprises a heat dissipation box body, a heat dissipation box body and a heat dissipation box bottom plate, and is characterized in that one side of the heat dissipation box body is fixedly connected with a sleeve, the inside of the sleeve is fixedly connected with a tension spring, the top of the heat dissipation box body is provided with a heat dissipation through groove, the bottom of the heat dissipation box body is provided with a sliding groove matched with a sliding block, one side of the sliding block is fixedly connected with a connecting rod, one end of the connecting rod is fixedly connected with an armature, the top of the carbon brush bottom plate is close to one side of a coil of the armature, the.
Preferably, the top of the carbon brush bottom plate is fixedly connected with a piezoresistor, the top of the piezoresistor is fixedly connected with a lightning protection device, and the bottom of the carbon brush bottom plate is fixedly connected with a connecting column.
Preferably, one side of the connecting column is slidably connected with a connecting block, one side of the connecting block is fixedly connected with an auxiliary armature, and the other side of the connecting block is fixedly connected with a heat absorption ring.
Preferably, one side of the bottom of the carbon brush bottom plate, which is close to the auxiliary armature, is fixedly connected with an auxiliary coil, the heat absorption ring is of a semicircular structure, and the heat absorption ring is made of a copper material.
Preferably, the bottom of the carbon brush bottom plate is fixedly connected with a supporting plate, one end of the supporting plate is connected with a deformation plate in a sliding mode, and one end of the supporting plate is provided with a through hole matched with the deformation plate.
Preferably, one end of the deformation plate is fixedly connected with a moving contact, one side of the carbon brush bottom plate, which is close to the moving contact, is fixedly connected with a junction box, the top of the junction box is fixedly connected with a static contact, the static contact and the moving contact are mutually abutted, and the heat absorption ring is made of a copper material.
Preferably, the carbon brush bottom plate is of a circular plate structure, and the number of the brush boxes, the number of the carbon brushes, the number of the heat dissipation boxes and the number of the heat absorption blocks are two, and the two brush boxes, the two carbon brushes, the number of the heat dissipation boxes and the number of the heat absorption blocks are symmetrically distributed on two sides of the air conditioner fan.
Preferably, the carbon brush bottom plate is made of an insulating plastic plate, the temperature sensors are electrically connected with the automobile air conditioner controller, the coils and the auxiliary armatures through wires, and the two temperature sensors are symmetrically distributed on two sides of the air conditioner fan.
Preferably, the connecting rod is of an L-shaped structure, and the number of the auxiliary armatures and the number of the auxiliary coils are two and are symmetrically distributed at two ends of the deformation plate.
(III) advantageous effects
Compared with the prior art, the invention provides an overvoltage protection device for an automobile air conditioner, which has the following beneficial effects:
1. this vehicle air conditioner overvoltage protector, through the setting of temperature sensor and coil, make this overvoltage protector possess the action sensitive, the effect that barrier propterty is good, through the cooperation setting of heat dissipation case and heat absorption piece and heat absorption ring, can realize the temperature multilayer protection to air conditioner fan at the in-process that uses, the action is sensitive when the overvoltage, the cooling is rapid, thereby overvoltage protection has been played, moreover, the steam generator is simple in structure, simple to operate's effect has reached rapid cooling, the high mesh of barrier propterty.
2. This vehicle air conditioner overvoltage protector, through lightning protection device and piezo-resistor's setting, make this overvoltage protector possess the effect of protecting air conditioner fan rapidly when receiving the thunderbolt, through the cooperation setting of auxiliary armature and auxiliary coil, can automatically regulated heat absorption ring's position at the in-process that uses, the action is rapid to play the lightning protection and hit the damage and adjust nimble rapid effect, when having reached that barrier propterty is high, the nimble convenient purpose of action regulation.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the heat absorption ring of the present invention;
FIG. 3 is a schematic structural view of an axial half section of the present invention;
FIG. 4 is a schematic top view of the present invention;
FIG. 5 is a side view, fully sectioned, schematic structural view of the present invention;
FIG. 6 is a schematic structural diagram of the front view of the invention;
FIG. 7 is a schematic bottom view of the present invention;
FIG. 8 is an enlarged view of FIG. 2A;
FIG. 9 is an enlarged schematic view of the structure of FIG. 1B.
In the figure: 1. a carbon brush bottom plate; 2. a brush box; 3. a carbon brush; 4. a sliding post; 5. a buffer spring; 6. a temperature sensor; 7. an air-conditioning fan; 8. a guide post; 9. a heat dissipation box; 10. a heat absorbing block; 11. a slider; 12. a sleeve; 13. a tension spring; 14. a connecting rod; 15. an armature; 16. a coil; 17. a limiting block; 18. a voltage dependent resistor; 19. a lightning protection device; 20. connecting columns; 21. connecting blocks; 22. an auxiliary armature; 23. a heat absorption ring; 24. an auxiliary coil; 25. a support plate; 26. a deformable plate; 27. a moving contact; 28. a junction box; 29. static contact; 30. and (4) conducting wires.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, an overvoltage protection device for an automotive air conditioner comprises a carbon brush base plate 1, brush boxes 2 are arranged on the left and right sides of the top of the carbon brush base plate 1, a carbon brush 3 is arranged inside the brush boxes 2, a sliding column 4 is fixedly connected to one side of the carbon brush 3, a buffer spring 5 is sleeved on one side of the sliding column 4, a through hole matched with the sliding column 4 is formed in one side of the brush box 2, a lead 30 is fixedly connected to the top of the carbon brush 3, a through groove is formed in the top of the brush box 2, a temperature sensor 6 is fixedly connected to one side of the carbon brush base plate 1 close to the carbon brush 3, an air conditioner fan 7 is fixedly connected to the middle of the carbon brush base plate 1, a guide column 8 is slidably connected to the inside of the carbon brush base plate 1, a heat dissipation box 9 is fixedly connected to the top of the carbon brush base, a sliding block 11 is fixedly connected to the bottom of the heat absorbing block 10, a sleeve 12 is fixedly connected to one side of the heat dissipating box 9, a tension spring 13 is fixedly connected to the inside of the sleeve 12, a heat dissipating through groove is formed in the top of the heat dissipating box 9, a sliding groove matched with the sliding block 11 is formed in the bottom of the heat dissipating box 9, a connecting rod 14 is fixedly connected to one side of the sliding block 11, an armature 15 is fixedly connected to one end of the connecting rod 14, a coil 16 is fixedly connected to one side of the top of the carbon brush bottom plate 1 close to the armature 15, a limiting block 17 is fixedly connected to one side of the carbon brush bottom plate 1 close to the connecting rod 14, a sliding groove matched with the connecting rod 14 is formed in the limiting block 17, a piezoresistor 18 is fixedly connected to the top of the carbon bottom plate 1, a lightning arrester 19 is fixedly connected to the top of the, the other side of the connecting block 21 is fixedly connected with a heat absorption ring 23, one side of the bottom of the carbon brush base plate 1, which is close to the auxiliary armature 22, is fixedly connected with an auxiliary coil 24, the heat absorption ring 23 is of a semicircular structure, the heat absorption ring 23 is made of copper material, the bottom of the carbon brush base plate 1 is fixedly connected with a supporting plate 25, one end of the supporting plate 25 is slidably connected with a deformation plate 26, one end of the supporting plate 25 is provided with a through hole matched with the deformation plate 26, one end of the deformation plate 26 is fixedly connected with a movable contact 27, one side of the carbon brush base plate 1, which is close to the movable contact 27, is fixedly connected with a junction box 28, the top of the junction box 28 is fixedly connected with a static contact 29, the static contact 29 and the movable contact 27 are mutually abutted, the heat absorption ring 23 is made of copper material, the carbon brush base plate 1, the material of the carbon brush bottom plate 1 is an insulating plastic plate, the temperature sensor 6 is electrically connected with an automobile air conditioner controller, the coil 16 and the auxiliary armature 22 through leads, the number of the temperature sensors 6 is two, the temperature sensors are symmetrically distributed on two sides of the air conditioner fan 7, the connecting rod 14 is of an L-shaped structure, the number of the auxiliary armature 22 and the auxiliary coil 24 is two, the temperature sensors 6 and the coil 16 are symmetrically distributed at two ends of the deformation plate 26, the overvoltage protection device has the effects of sensitive action and good protection performance, the heat dissipation box 9, the heat absorption block 10 and the heat absorption ring 23 are arranged in a matching way, the temperature multilayer protection of the air conditioner fan 7 can be realized in the use process, the action is sensitive during overvoltage, the temperature reduction is rapid, the overvoltage protection is realized, the structure is simple, the installation is convenient, the purposes of rapid temperature reduction and high protection performance are achieved, through the setting of lightning protection device 19 and piezo-resistor 18, make this overvoltage protector possess the effect of protecting air conditioner fan 7 rapidly when receiving the thunderbolt, set up through the cooperation of auxiliary armature 22 and auxiliary coil 24, can automatically regulated heat absorption ring 23's position at the in-process that uses, the action is rapid to play the lightning protection and hit the damage and adjust nimble rapid effect, when having reached barrier propterty height, the nimble convenient purpose of action regulation.
When the carbon brush base plate is used, firstly, the air conditioner fan 7 is installed in the middle of the carbon brush base plate 1, the temperature of the air conditioner fan 7 is monitored in real time through the arranged temperature sensor 6, when the air conditioner fan 7 generates overvoltage, the temperature of the air conditioner fan 7 rises, when a critical value is reached, the temperature sensor 6 transmits the sensed temperature to the automobile air conditioner controller through an electric signal, the automobile air conditioner controller controls the motor to be shut down in time after receiving the signal, the motor is prevented from running for a long time under the overvoltage state, the motor is effectively protected, meanwhile, the coil 16 is controlled to be electrified through the temperature sensor 6, the coil 16 is electrified to generate a magnetic field, the armature 15 is adsorbed on one side of the coil 16, the armature 15 pulls the heat absorption block 10 to be close to the carbon brush 3 and the air conditioner fan 7 through the connecting rod 14 to absorb heat and dissipate heat, and the heat absorption block 10, the effect of fast heat dissipation can be realized, this is the top heat dissipation of air condition fan 7, then when the temperature that air condition fan 7 produced is enough to be heated and deformed with the shape changing board 26, drive the moving contact 27 through the shape changing board 26 and break away from the static contact 29, at this moment, the auxiliary coil 24 circular telegram produces the magnetic field, attract with the auxiliary armature 22, and then pass through the auxiliary armature 22 and draw the heat absorption ring 23 through the connecting block 21 and move up under the effect of spliced pole 20, and then hug closely the heat absorption ring 23 and dispel the heat in one side of air condition fan 7, when not using, the heat absorption ring 23 leans on the dead weight to be in the position of principle air condition fan 7, so that the ordinary fan heat of air condition fan 7, finally, because of being provided with lightning protection device 19 and piezoresistor 18, in order to prevent the lightning from causing huge damage to it in the moment high voltage, carry out overvoltage protection to it through disposing piezoresistor 18, when, the resistance value of the varistor becomes infinitesimal, so that the varistor is conducted and introduces a large current generated by lightning into the ground, thereby protecting the power supply equipment from being damaged by the lightning and realizing overvoltage protection of the air-conditioning fan 7 through the lightning protector 19.
To sum up, this vehicle air conditioner overvoltage protector, through the setting of temperature sensor 6 and coil 16, make this overvoltage protector possess the action sensitive, the effect that barrier propterty is good, through the cooperation setting of heat dissipation case 9 and heat absorption piece 10 and heat absorption ring 23, can realize the temperature multilayer protection to air conditioner fan 7 at the in-process that uses, the action is sensitive when overvoltage, the cooling is rapid, thereby overvoltage protection has been played, moreover, the steam generator is simple in structure, simple to operate's effect has reached rapid cooling, the purpose that barrier propterty is high. Through the setting of lightning protection device 19 and piezo-resistor 18, make this overvoltage protector possess the effect of protecting air conditioner fan 7 rapidly when receiving the thunderbolt, set up through the cooperation of auxiliary armature 22 and auxiliary coil 24, can automatically regulated heat absorption ring 23's position at the in-process that uses, the action is rapid to play the lightning protection and hit the damage and adjust nimble rapid effect, when having reached barrier propterty height, the nimble convenient purpose of action regulation.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an automobile air conditioner overvoltage protector, includes carbon brush bottom plate (1), its characterized in that: the brush boxes (2) are arranged on the left side and the right side of the top of the carbon brush bottom plate (1), the carbon brushes (3) are arranged inside the brush boxes (2), one side of each carbon brush (3) is fixedly connected with a sliding column (4), one side of each sliding column (4) is sleeved with a buffer spring (5), one side of each brush box (2) is provided with a through hole matched with the corresponding sliding column (4), the top of each carbon brush (3) is fixedly connected with a lead (30), the top of each brush box (2) is provided with a through groove, one side, close to each carbon brush (3), of the carbon brush bottom plate (1) is fixedly connected with a temperature sensor (6), the middle of the carbon brush bottom plate (1) is fixedly connected with an air conditioner fan (7), the inside of the carbon brush bottom plate (1) is slidably connected with a guide column (8), and the top of the carbon brush bottom plate (1, the heat dissipation box is characterized in that a heat absorption block (10) is connected to the inside of the heat dissipation box (9) in a sliding mode, a heat dissipation through groove is formed in the heat absorption block (10), a sliding block (11) is fixedly connected to the bottom of the heat absorption block (10), a sleeve (12) is fixedly connected to one side of the heat dissipation box (9), a tension spring (13) is fixedly connected to the inside of the sleeve (12), a heat dissipation through groove is formed in the top of the heat dissipation box (9), a sliding groove matched with the sliding block (11) is formed in the bottom of the heat dissipation box (9), a connecting rod (14) is fixedly connected to one side of the sliding block (11), an armature (15) is fixedly connected to one end of the connecting rod (14), a coil (16) is fixedly connected to one side, close to the armature (15), of the top of the carbon brush bottom plate (1), and, the inside of the limiting block (17) is provided with a sliding groove matched with the connecting rod (14).
2. The overvoltage protection device for the air conditioner of the vehicle as claimed in claim 1, wherein: the lightning protection carbon brush is characterized in that the top of the carbon brush bottom plate (1) is fixedly connected with a piezoresistor (18), the top of the piezoresistor (18) is fixedly connected with a lightning protection device (19), and the bottom of the carbon brush bottom plate (1) is fixedly connected with a connecting column (20).
3. The overvoltage protection device for the air conditioner of the vehicle as claimed in claim 2, wherein: one side sliding connection of spliced pole (20) has connecting block (21), one side fixedly connected with auxiliary armature (22) of connecting block (21), the opposite side fixedly connected with heat absorption ring (23) of connecting block (21).
4. An over-voltage protection device for an air conditioner of a vehicle as claimed in claim 3, wherein: one side of the bottom of the carbon brush bottom plate (1) close to the auxiliary armature (22) is fixedly connected with an auxiliary coil (24), the heat absorption ring (23) is of a semicircular structure, and the heat absorption ring (23) is made of copper materials.
5. The overvoltage protection device for the air conditioner of the vehicle as claimed in claim 4, wherein: the bottom fixedly connected with backup pad (25) of carbon brush bottom plate (1), the one end sliding connection of backup pad (25) has out of shape board (26), the through-hole with out of shape board (26) looks adaptation is seted up to the one end of backup pad (25).
6. The overvoltage protection device for the air conditioner of the vehicle as claimed in claim 5, wherein: one end fixedly connected with moving contact (27) of warping board (26), one side fixedly connected with terminal box (28) that carbon brush bottom plate (1) is close to moving contact (27), the top fixedly connected with static contact (29) of terminal box (28), static contact (29) and moving contact (27) butt each other, the material of heat absorption ring (23) is the copper product.
7. The overvoltage protection device for the air conditioner of the vehicle as claimed in claim 1, wherein: the carbon brush bottom plate (1) is of a circular plate structure, the number of the brush boxes (2), the number of the carbon brushes (3), the number of the heat dissipation boxes (9) and the number of the heat absorption blocks (10) are two, and the two heat dissipation boxes are symmetrically distributed on two sides of the air conditioner fan (7).
8. The overvoltage protection device for the air conditioner of the vehicle as claimed in claim 1, wherein: the carbon brush bottom plate (1) is made of an insulating plastic plate, the temperature sensors (6) are electrically connected with an automobile air conditioner controller, the coils (16) and the auxiliary armatures (22) through wires, the number of the temperature sensors (6) is two, and the temperature sensors are symmetrically distributed on two sides of the air conditioner fan (7).
9. The overvoltage protection device for the air conditioner of the vehicle as claimed in claim 1, wherein: the connecting rod (14) is of an L-shaped structure, the number of the auxiliary armatures (22) and the number of the auxiliary coils (24) are two, and the two auxiliary armatures and the two auxiliary coils are symmetrically distributed at two ends of the deformation plate (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110123090.3A CN112959867B (en) | 2021-01-29 | 2021-01-29 | Overvoltage protection device for automobile air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110123090.3A CN112959867B (en) | 2021-01-29 | 2021-01-29 | Overvoltage protection device for automobile air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112959867A true CN112959867A (en) | 2021-06-15 |
| CN112959867B CN112959867B (en) | 2022-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110123090.3A Active CN112959867B (en) | 2021-01-29 | 2021-01-29 | Overvoltage protection device for automobile air conditioner |
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| CN (1) | CN112959867B (en) |
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| WO2009100720A2 (en) * | 2008-02-14 | 2009-08-20 | Innovative Windpower Ag | Device for limiting torque in a drivetrain |
| JP2010045892A (en) * | 2008-08-11 | 2010-02-25 | Toyota Motor Corp | Rotary electric machine |
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| CN209170104U (en) * | 2018-08-17 | 2019-07-26 | 东莞市万江威利微电机有限公司 | A kind of carbon brush for electric machine holder assembly |
| CN209767333U (en) * | 2019-06-21 | 2019-12-10 | 江苏雷利电机股份有限公司 | brush motor and carbon brush holder thereof |
| CN211151758U (en) * | 2020-01-13 | 2020-07-31 | 浙江得业电机科技有限公司 | Overvoltage protection mechanism of automobile air conditioner fan |
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2021
- 2021-01-29 CN CN202110123090.3A patent/CN112959867B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009100720A2 (en) * | 2008-02-14 | 2009-08-20 | Innovative Windpower Ag | Device for limiting torque in a drivetrain |
| JP2010045892A (en) * | 2008-08-11 | 2010-02-25 | Toyota Motor Corp | Rotary electric machine |
| CN203675491U (en) * | 2014-01-20 | 2014-06-25 | 嘉兴职业技术学院 | Adjusting structure of network control cabinet |
| CN206211779U (en) * | 2016-11-10 | 2017-05-31 | 滁州瑞能电力科技有限公司 | A kind of motor protection disconnects device automatically |
| CN108448550A (en) * | 2018-03-15 | 2018-08-24 | 杭州南威电力有限公司 | A kind of thermal release device and its implementation of surge protector |
| CN209170104U (en) * | 2018-08-17 | 2019-07-26 | 东莞市万江威利微电机有限公司 | A kind of carbon brush for electric machine holder assembly |
| CN209767333U (en) * | 2019-06-21 | 2019-12-10 | 江苏雷利电机股份有限公司 | brush motor and carbon brush holder thereof |
| CN211151758U (en) * | 2020-01-13 | 2020-07-31 | 浙江得业电机科技有限公司 | Overvoltage protection mechanism of automobile air conditioner fan |
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| Publication number | Publication date |
|---|---|
| CN112959867B (en) | 2022-12-23 |
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