CN112959867B - Overvoltage protection device for automobile air conditioner - Google Patents
Overvoltage protection device for automobile air conditioner Download PDFInfo
- Publication number
- CN112959867B CN112959867B CN202110123090.3A CN202110123090A CN112959867B CN 112959867 B CN112959867 B CN 112959867B CN 202110123090 A CN202110123090 A CN 202110123090A CN 112959867 B CN112959867 B CN 112959867B
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- Prior art keywords
- fixedly connected
- air conditioner
- carbon brush
- bottom plate
- heat dissipation
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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 is used for protecting and cutting off a power supply of electric equipment after the voltage is higher than a certain point, the application of the overvoltage protection device to an electric system with small jitter is feasible, but when the overvoltage protection device is used in an electric environment with large voltage fluctuation and interference of automobiles and the like, because the phenomena of jumping, jitter, oscillation and the like of the electric equipment can be generated without some logic and filtering processing after overvoltage detection, an air conditioner fan cannot be effectively protected when the overvoltage protection device is struck by lightning, and meanwhile, the misoperation can also shorten the service life of the electric equipment, so 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: the utility model provides an automobile air conditioner overvoltage protector, includes the carbon brush bottom plate, the top left and right sides of carbon brush bottom plate is provided with the brush box, the inside of brush box is provided with the carbon brush, one side fixedly connected with slip post of carbon brush, buffer spring has been cup jointed to one side of slip post, the through-hole with slip post looks adaptation is seted up to one side of brush box, the top fixedly connected with wire of carbon brush, logical groove has been seted up at the top of brush box, one side fixedly connected with temperature sensor that the carbon brush bottom plate is close to the carbon brush, the middle part fixedly connected with air conditioner fan of carbon brush bottom plate, the inside sliding connection of carbon brush bottom plate has the guide post, the top fixedly connected with heat dissipation case of carbon brush bottom plate, the inside sliding connection of heat dissipation case has the heat absorption piece, the heat dissipation logical groove has been seted up to the inside of heat absorption piece, the bottom fixedly connected with slider of heat absorption piece, one side fixedly connected with sleeve of heat dissipation case, the inside fixedly connected with extension spring of telescopic, the top of heat dissipation case has seted up the spout with the slider looks adaptation, one side fixedly connected with connecting rod of slider, the one side fixedly connected with connecting rod coil of armature is close to the stopper.
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 comprises the following components
Has the advantages that:
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, makes this overvoltage protector possess the effect of protecting air conditioner fan rapidly when receiving the thunderbolt, sets up through the cooperation of auxiliary armature and auxiliary coil, and the in-process that uses can the automatically regulated position of heat absorption ring, the action is rapid to play the lightning protection and hit and 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 view of the axial half section of the present invention;
FIG. 4 is a schematic top view of the present invention;
FIG. 5 is a schematic side view of the full section of the present invention;
FIG. 6 is a front view of the present 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 view 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 absorption 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. carrying out 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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-9, an overvoltage protection device for an automotive air conditioner includes a carbon brush base plate 1, brush boxes 2 are disposed on left and right sides of a top of the carbon brush base plate 1, a carbon brush 3 is disposed inside the brush boxes 2, a sliding post 4 is fixedly connected to one side of the carbon brush 3, a buffer spring 5 is sleeved on one side of the sliding post 4, a through hole adapted to the sliding post 4 is formed on one side of the brush boxes 2, a lead wire 30 is fixedly connected to a top of the carbon brush 3, a through groove is formed on a top of the brush box 2, a temperature sensor 6 is fixedly connected to one side of the carbon brush base plate 1 adjacent to the carbon brush 3, an air conditioner fan 7 is fixedly connected to a middle portion of the carbon brush base plate 1, a guide post 8 is slidably connected to an inside of the carbon brush base plate 1, a heat dissipation box 9 is fixedly connected to a top of the heat dissipation box 9, a heat dissipation through groove is formed inside the heat dissipation box 10, a slider 11 is fixedly connected to one side of the heat dissipation box 10, a sleeve 12 is fixedly connected to one side of the heat dissipation box 9, a stop block 14 is connected to one side of the heat dissipation box 17, and a stop block 14 is connected to one side of the heat dissipation box 14, a stop block is connected to one side of the heat dissipation box 14, 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 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, the heat absorption ring 23 is made of copper, the bottom of the carbon brush bottom 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 bottom plate 1 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 is abutted against the movable contact 27, the heat absorption ring 23 is made of copper, the carbon brush bottom plate 1 is of a circular plate structure, the number of the brush box 2, the carbon brushes 3, the heat dissipation box 9 and the heat absorption blocks 10 are two and symmetrically distributed at two sides of the air conditioner fan 7, 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 coil 16 and the auxiliary armature 22 through wires, 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 are two, the temperature sensors 6 and the coil 16 are symmetrically distributed on 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 matched, the temperature multi-layer protection on 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, and the rapid temperature reduction is realized, the purpose that barrier propterty is high, through lightning protection 19 and piezo-resistor 18's setting, make this overvoltage protector possess the effect of protecting air conditioner fan 7 rapidly when receiving the thunderbolt, through the cooperation setting of auxiliary armature 22 and auxiliary coil 24, can automatically regulated heat absorption ring 23's position in the in-process of using, the action is rapid to play the lightning protection and hit the damage and adjust nimble rapid effect, when having reached barrier propterty high, 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 timely after receiving the signal, the motor is prevented from running for a long time in an 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, heat absorption and heat dissipation are carried out, and the effect of high heat dissipation speed can be achieved due to the fact that the heat absorption block 10 is made of copper, the heat is dissipated from the top of the air-conditioning fan 7, then when the temperature generated by the air-conditioning fan 7 is enough to deform the deformation plate 26 by heat, the movable contact 27 is driven by the deformation plate 26 to separate from the fixed contact 29, at this time, the auxiliary coil 24 is electrified to generate a magnetic field, the auxiliary armature 22 is attracted, the auxiliary armature 22 pulls the heat absorption ring 23 through the connecting block 21 to move upwards under the action of the connecting column 20, the heat absorption ring 23 is tightly attached to one side of the air-conditioning fan 7 to dissipate heat, when the air-conditioning fan is not used, the heat absorption ring 23 is positioned at the position of the air-conditioning fan 7 by self weight so as to facilitate the ordinary heat dissipation of the air-conditioning fan 7, finally, because the lightning protector 19 and the piezoresistor 18 are arranged, in order to prevent the huge damage to the air fan caused by the instantaneous high voltage of the lightning, the piezoresistor 18 is configured to perform the lightning protection, when the instantaneous high voltage generated by the lightning is applied to the two ends of the piezoresistor, 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, makes 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, the in-process that uses can realize the temperature multilayer protection to air conditioner fan 7, 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, rapid cooling has been reached, 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 (3)
1. The utility model provides an automobile air conditioner overvoltage protector, includes carbon brush bottom plate (1), its characterized in that: the carbon brush is characterized in that brush boxes (2) are arranged on the left side and the right side of the top of the carbon brush bottom 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 boxes (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, close to the carbon brush (3), of the carbon brush bottom plate (1), an air conditioner fan (7) is fixedly connected to the middle of the carbon brush bottom plate (1), a guide column (8) is slidably connected to the inside of the carbon brush bottom plate (1), a heat dissipation box (9) is fixedly connected to the inside of the heat dissipation box (9), a heat dissipation through groove is formed in the inside of the heat absorption block (10), a slider (11) is fixedly connected to the bottom of the heat dissipation box (9), and a heat dissipation sleeve (12) is connected to the heat dissipation sleeve (12), the heat dissipation box is characterized in that 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), one side of the top of the carbon brush bottom plate (1) close to the armature (15) is fixedly connected with a coil (16), one side of the carbon brush bottom plate (1) close to the connecting rod (14) is fixedly connected with a limiting block (17), the 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 brush bottom plate (1), a lightning arrester (19) is fixedly connected to the top of the piezoresistor (18), a connecting column (20) is fixedly connected to the bottom of the carbon brush bottom plate (1), a connecting block (21) is slidably connected to one side of the connecting column (20), an auxiliary armature (22) is fixedly connected to one side of the connecting block (21), a heat absorption ring (23) is fixedly connected to the other side of the connecting block (21), the carbon brush bottom plate (1) close to one side of the auxiliary armature (22) is fixedly connected with an auxiliary coil (24), the heat absorption ring (23), and the heat absorption ring is made of the copper heat absorption ring (1) and the insulation plastic plate (1), the temperature sensors (6) are electrically connected with an automobile air conditioner controller, a coil (16) and an auxiliary armature (22) through leads, the number of the temperature sensors (6) is two, the temperature sensors are symmetrically distributed on two sides of an air conditioner fan (7), the temperature of the air conditioner fan (7) is monitored in real time through the arranged temperature sensors (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 sensors (6) transmit the sensed temperature to the automobile air conditioner controller through electric signals, the automobile air conditioner controller controls the motor to be turned off and stopped at the moment after receiving the signals, the motor is prevented from running for a long time under an overvoltage state, the motor is effectively protected, meanwhile, the coil (16) is controlled to be electrified through the temperature sensors (6), the coil (16) is electrified to generate a magnetic field, the armature (15) is adsorbed on one side of the coil (16), the moving contact (15) is pulled to be close to a carbon brush (3) and the air conditioner fan (7) through a connecting rod (14) to dissipate heat, one end of the bottom plate (25) of the bottom plate (1) is connected with a deformation plate (26), and the bottom plate (25) is connected with a deformation plate (26) which is connected with a heat absorption block (25) through a support plate (14), one side of the carbon brush bottom plate (1) close to the moving 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) is mutually abutted to the moving contact (27), and the heat absorption ring (23) is made of copper.
2. 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, and 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 are symmetrically distributed on two sides of the air conditioner fan (7).
3. 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 |
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| Publication Number | Publication Date |
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| CN112959867A CN112959867A (en) | 2021-06-15 |
| CN112959867B true CN112959867B (en) | 2022-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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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| 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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| 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 |
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| CN112959867A (en) | 2021-06-15 |
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