CN202145438U - Thermal protector, frequency conversion air conditioning compressor and frequency conversion air conditioner - Google Patents
Thermal protector, frequency conversion air conditioning compressor and frequency conversion air conditioner Download PDFInfo
- Publication number
- CN202145438U CN202145438U CN201120198536U CN201120198536U CN202145438U CN 202145438 U CN202145438 U CN 202145438U CN 201120198536 U CN201120198536 U CN 201120198536U CN 201120198536 U CN201120198536 U CN 201120198536U CN 202145438 U CN202145438 U CN 202145438U
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- China
- Prior art keywords
- protector
- frequency converting
- conditioner compressor
- converting air
- core components
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- Control Of Ac Motors In General (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The utility model aims at providing a thermal protector used for a frequency conversion air conditioning compressor, a frequency conversion air conditioning compressor and a frequency conversion air conditioner. The protector includes a cover (1), wherein the cover (1) is arranged near the top housing the frequency conversion air conditioning compressor; a base (5), wherein the base (5) is cylindraceous, one end of the base (5) is enclosed and the other end is open; a core component (3), wherein the core component (3) is a metal shielding thermal protective member; and a pair of terminals (4) integrated with the core component (3) in one, wherein the terminals (4) are used for electrically connecting with the motor circuit of the frequency conversion air conditioning compressor. The protector also includes an insulating piece (2), wherein the insulating piece (2) is arranged between the cover (1) and the core component (3), the insulating piece (2) is used for preventing the current from being conducted from the core component (3) to the top housing of the frequency conversion air conditioning compressor via the cover (1), and also for conducting the heat from the top housing of the frequency conversion air conditioning compressor to the core component (3) via the cover (1).
Description
Technical field
The utility model relates to a kind of thermal protector, particularly a kind of thermal protector that is used for frequency converting air-conditioner compressor.The utility model also relates to frequency converting air-conditioner compressor and the transducer air conditioning with said thermal protector.
Background technology
In the compressor of air conditioner, adopt automatically reset motor protecter usually, be used to detect because overcurrent that flows to motor that the compressor misoperation causes or ambient temperature raise.This protector generally includes the thermal response bimetallic element of the temperature of response overcurrent or rising, and protector breaks off the circuit of supplying with current of electric under the situation that overlond running or overheated operation occur, thereby the protection motor avoids burning; After temperature progressively descended, protector automatically reset, and compressor electric motor is restarted immediately.
For frequency converting air-conditioner compressor, usually through frequency converter control compressor start-stop, regulate the running frequency of compressor and under special state such as stall, overload for example to protection of compressor or the like.Temperature protector plays the effect of monitoring compressor actual temperature, and the notice frequency converter cuts off compressor current when temperature is too high, plays a protective role.Existing frequency-changeable compressor temperature protector complex structure, and complicacy is installed, frequency-changeable compressor producer needs a kind of simple and reliable for structure, the new temperature protector that air-conditioning producer is easier for installation.
The utility model content
The utility model provides a kind of protector that is used for frequency converting air-conditioner compressor, its simple in structure, easy to assembly, reliable operation.This protector is serially connected in the motor circuit of compressor, is used for the temperature of induced compression machine top shell, shutoff signal circuit when the temperature of sensing exceeds restriction.
The protector that is used for frequency converting air-conditioner compressor according to the utility model comprises: lid, and said lid is provided with near the top shell of frequency converting air-conditioner compressor; Pedestal, said pedestal are cylindrical shape, and the end sealing and the other end of said pedestal are uncovered; Core components, said core components are the hot guard member of metal cap; With the pair of terminal of core components one, said terminal is used for being electrically connected with the motor circuit of frequency converting air-conditioner compressor.Said protector also comprises insulating trip; Said insulating trip is arranged between lid and the core components; Said insulating trip is used to isolate electric current and is transmitted to the top shell of frequency converting air-conditioner compressor from core components via lid, and heat is transmitted to core components from the top shell of frequency converting air-conditioner compressor via lid.
Preferably, after said protector assembling, the opening end of the closed said pedestal of said lid.
Preferably, the blind end of said pedestal has two slits, supplies pair of terminal to pass respectively.
Preferably, said pair of terminal is fixed to core components on the pedestal through passing said two slits.
Preferably, when circuital current was 1A, the temperature rise of core components was lower than 1 ℃.
Frequency converting air-conditioner compressor according to the utility model comprises: the motor that is made up of stator and rotor, the compression unit that sucks gas and its compression is discharged, said frequency converting air-conditioner compressor also comprises the aforementioned protector that is used for frequency converting air-conditioner compressor.
Preferably, said protector is arranged near the shell of frequency converting air-conditioner compressor top, and is connected in the circuit of coil of stator of motor.
According to the transducer air conditioning of the utility model, comprise evaporator, condenser, electric expansion valve and frequency converter, said transducer air conditioning also comprises aforementioned frequency converting air-conditioner compressor.
The protector of the utility model frequency converting air-conditioner compressor is basic identical with existing protector in shape, can not change the use habit of existing compressor producer and air-conditioning producer, therefore simple in structure, easy to assembly, reliable operation.
Description of drawings
In conjunction with the drawings to the utility model detailed description of preferred embodiment, characteristic of the utility model and advantage will be clearer below.
Fig. 1 has shown the decomposition diagram of embodiment of the protector of the utility model frequency converting air-conditioner compressor; And
Fig. 2 has shown the stereogram after the assembling of embodiment of protector of the utility model frequency converting air-conditioner compressor.
Embodiment
Transducer air conditioning generally comprises evaporator, condenser, frequency-changeable compressor, electric expansion valve and frequency converter; Frequency-changeable compressor mainly comprises the motor that is made up of stator and rotor, suck gas and compression unit that its compression is discharged and be arranged near the protector the shell of frequency-changeable compressor top; Said protector links to each other with the compressor variable frequency device, and the control compressor temperature is in safe range.
Fixed protector frequently generally has overcurrent protection and two kinds of functions of overtemperature protection:
Overcurrent protection: unusual and when exceeding the parameter value that protector sets when the compressor electric motor winding current; The caloric value that electric current produces through metal shell, conducting strip, thermosensitive bimetal is along with the increase of electric current increases; When thermosensitive bimetal reaches the temperature of setting, will drive the moving contact upset, moving contact and fixed contact are separated; The motor windings series circuit is broken off, and the protection compressor electric motor can not burnt because of electric current is excessive.
Overtemperature protection: if compressor crown shell temperature is too high, the thermosensitive bimetal temperature-sensitive of protector is heated, when temperature reaches design temperature; Will drive the moving contact upset; Moving contact and fixed contact are separated, the motor windings series circuit is broken off, the protection compressor electric motor can not burnt because of overtemperature.
The frequency-changeable compressor overcurrent protection is through Frequency Converter Control, and overtemperature protection is transmitted signal through temperature protector and played a protective role to frequency converter.
Fig. 1 shows the decomposition diagram of embodiment of the protector of the utility model frequency converting air-conditioner compressor.This protector comprises: lid 1, and this lid 1 is provided with near the top shell of frequency-changeable compressor, has good thermal conductivity; Insulating trip 2 is used to isolate electric current is transmitted to frequency-changeable compressor from protector shell; Core components 3, it is the hot guard member of metal cap; Insulating trip 2 freely be placed on cover 1 and core components 3 between; With the pair of terminal 4 of core components 3 one, it is used for being electrically connected with the motor circuit of transducer air conditioning; Pedestal 5, it has identical profile and size with existing frequency converting air-conditioner compressor protector, thus the user of frequency-changeable compressor and transducer air conditioning can have no obstacle ground to use the protector of the utility model.In addition, terminal 4 also is used for core components 3 is fixed to pedestal 5.
Comprise in the core components 3 and be used for the mechanism that disconnection/restore circuit connects under predetermined condition, for example bimetal leaf or bimetal disk.Core components 3 has lower thermoelectric effect, and for example when circuital current was 1A, 3 generations of core components were lower than 1 ℃ temperature rise.
Fig. 2 shows the stereogram after the assembling of embodiment of protector of the utility model frequency converting air-conditioner compressor.Pedestal 5 is a general cylindrical shape, columnar end sealing, and the other end is uncovered.After the protector assembling, cover the opening end of 1 closed base 5.The blind end of pedestal 5 has two slits, supplies pair of terminal 4 to pass respectively.Insulating trip 2 be close to cover 1 and core components 3 between, promptly realized insulation to core components 3, realized good heat conductive again to core components 3.The protector of the utility model frequency converting air-conditioner compressor is basic identical with existing protector in shape, can not change the use habit of existing compressor producer and air-conditioning producer.This shows simple in structure, easy to assembly, the reliable operation of the utility model frequency converting air-conditioner compressor.
The utility model also relates to a kind of frequency converting air-conditioner compressor, comprising: the motor that is made up of stator and rotor, the frequency conversion compression unit and the aforementioned protector that is used for frequency converting air-conditioner compressor that suck gas and its compression is discharged.Said protector is arranged near the shell of frequency converting air-conditioner compressor top, and is connected in the circuit of coil of stator of motor.
The utility model also relates to a kind of transducer air conditioning, comprises evaporator, condenser, electric expansion valve, frequency converter and aforementioned frequency converting air-conditioner compressor.
The above is merely the preferred implementation of the utility model; But the utility model protection range is not limited thereto; Any those skilled in the art is in the disclosed technical scope of the utility model; Can change at an easy rate or change, and this change or variation all should be encompassed within the protection range of the utility model.Therefore, the protection range of the utility model should be as the criterion with the protection range of claims.
Claims (8)
1. protector that is used for frequency converting air-conditioner compressor comprises: lid (1), and said lid (1) is provided with near the top shell of frequency converting air-conditioner compressor; Pedestal (5), said pedestal (5) is a cylindrical shape, the end sealing and the other end of said pedestal (5) are uncovered; Core components (3), said core components (3) are the hot guard member of metal cap; With the pair of terminal (4) of core components (3) one, said pair of terminal (4) is used for being electrically connected with the motor circuit of frequency converting air-conditioner compressor,
It is characterized in that; Said protector also comprises insulating trip (2); Said insulating trip (2) is arranged between said lid (1) and the said core components (3); Said insulating trip (2) is used to isolate electric current and is transmitted to the top shell of frequency converting air-conditioner compressor from said core components (3) via said lid (1), and heat is transmitted to said core components (3) from the top shell of frequency converting air-conditioner compressor via said lid (1).
2. the protector that is used for frequency converting air-conditioner compressor according to claim 1 is characterized in that: after said protector assembling, and the opening end of the closed said pedestal of said lid (1) (5).
3. the protector that is used for frequency converting air-conditioner compressor according to claim 2 is characterized in that: the blind end of said pedestal (5) has two slits, supplies said pair of terminal (4) to pass respectively.
4. the protector that is used for frequency converting air-conditioner compressor according to claim 3 is characterized in that: said pair of terminal (4) is fixed to core components (3) on the pedestal (5) through passing said two slits.
5. according to arbitrary described protector that is used for frequency converting air-conditioner compressor among the claim 1-4, it is characterized in that: when circuital current was 1A, the temperature rise of core components (3) was lower than 1 ℃.
6. frequency converting air-conditioner compressor comprises: the motor that constitutes by stator and rotor, the frequency conversion compression unit that sucks gas and its compression is discharged,
It is characterized in that said frequency converting air-conditioner compressor also comprises according to arbitrary described protector that is used for frequency converting air-conditioner compressor among the claim 1-5.
7. frequency converting air-conditioner compressor according to claim 6 is characterized in that, said protector is arranged near the shell of frequency converting air-conditioner compressor top, and is connected in the circuit of coil of stator of motor.
8. a transducer air conditioning comprises evaporator, condenser, electric expansion valve and frequency converter, it is characterized in that, said transducer air conditioning also comprises according to claim 6 or 7 described frequency converting air-conditioner compressors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120198536U CN202145438U (en) | 2011-06-14 | 2011-06-14 | Thermal protector, frequency conversion air conditioning compressor and frequency conversion air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120198536U CN202145438U (en) | 2011-06-14 | 2011-06-14 | Thermal protector, frequency conversion air conditioning compressor and frequency conversion air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202145438U true CN202145438U (en) | 2012-02-15 |
Family
ID=45581367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120198536U Expired - Lifetime CN202145438U (en) | 2011-06-14 | 2011-06-14 | Thermal protector, frequency conversion air conditioning compressor and frequency conversion air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202145438U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103037648A (en) * | 2012-12-20 | 2013-04-10 | 常熟市天银机电股份有限公司 | Shell structure of motor protector |
| CN103775357A (en) * | 2014-01-06 | 2014-05-07 | 广东美芝制冷设备有限公司 | Rotating compressor |
-
2011
- 2011-06-14 CN CN201120198536U patent/CN202145438U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103037648A (en) * | 2012-12-20 | 2013-04-10 | 常熟市天银机电股份有限公司 | Shell structure of motor protector |
| CN103775357A (en) * | 2014-01-06 | 2014-05-07 | 广东美芝制冷设备有限公司 | Rotating compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120215 |