CN215183723U - Thermal protector for air conditioner compressor - Google Patents
Thermal protector for air conditioner compressor Download PDFInfo
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- CN215183723U CN215183723U CN202120790251.XU CN202120790251U CN215183723U CN 215183723 U CN215183723 U CN 215183723U CN 202120790251 U CN202120790251 U CN 202120790251U CN 215183723 U CN215183723 U CN 215183723U
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- bending part
- bimetallic strip
- pin
- bending
- insulating base
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Abstract
The utility model relates to a thermal protector of an air conditioner compressor, which comprises an insulating base and an insulating cover plate; set up the holding tank on the insulating base, holding tank internal fixation electric conductor and bimetallic strip set up the stationary contact on the electric conductor, set up the movable contact on the bimetallic strip, the electric conductor includes: the first fixing part, the first bending part and the first inclined part, one end of the first bending part is connected with the first fixing part, the other end of the first bending part is connected with the first inclined part, and the first fixing part is fixed in the accommodating groove; the bimetal includes: the second bending part and the third bending part are opposite in bending direction, one end of the second bending part is connected with the second fixing part, the other end of the second bending part is connected with the third bending part, the third bending part is connected with the second inclined part, and the second fixing part is fixed in the accommodating groove; a first pin and a second pin are fixed on the insulating base, the first pin is electrically connected with the electric conductor, and the second pin is electrically connected with the bimetallic strip. The thermal protector has high sensitivity.
Description
Technical Field
The utility model belongs to the technical field of the temperature control device technique and specifically relates to a hot protector of air condition compressor.
Background
The thermal protector is a commonly used protective device of electric equipment, and the thermal protector for the air conditioner compressor is taken as one of the thermal protectors, has characteristics of itself, and especially along with the development of the integrated design of the air conditioner, has higher requirements on the sensitivity of the thermal protector, so how to improve the sensitivity of the thermal protector becomes a technical problem to be solved urgently.
Disclosure of Invention
An object of the utility model is to provide an air condition compressor thermal protector to solve foretell technical problem.
The technical scheme of the application is as follows: a thermal protector of an air conditioner compressor comprises an insulating base and an insulating cover plate, wherein the insulating base is connected with the insulating cover plate; be provided with the holding tank on the insulating base, the holding tank internal fixation has electric conductor and bimetallic strip, be provided with the stationary contact on the electric conductor, be provided with on the bimetallic strip with stationary contact complex movable contact, the electric conductor includes: the static contact is arranged at one end, far away from the first bending part, of the first inclined part, and the first fixing part is fixed in the accommodating groove; the bimetal includes: the movable contact is arranged at one end, far away from the second bending part, of the second inclined part, and the second fixing part is fixed in the accommodating groove; and a first pin and a second pin are fixed on the insulating base, the first pin is electrically connected with the electric conductor, and the second pin is electrically connected with the bimetallic strip.
Preferably, the first pin and the first fixing portion are fixed to the insulating base by a rivet; the second pin and the second fixing part are fixed on the insulating base through rivets.
Preferably, the arc of the third curved portion is greater than the arc of the second curved portion.
Preferably, the first inclined part is inclined at an angle of 15 to 45 ° with respect to the vertical direction; the second inclined portion is inclined at an angle of 15-45 ° with respect to the vertical direction.
Preferably, the bimetal strip includes a first bimetal strip and a second bimetal strip, the first bimetal strip includes the second fixing portion and a second bending portion, the second bimetal strip includes a third bending portion and a second inclined portion, an opening of the second bending portion is downward, and an opening of the third bending portion is upward; the active layer of the first bimetallic strip is positioned below the passive layer, and the active layer of the second bimetallic strip is positioned above the passive layer.
Preferably, an accommodating hole is formed in the insulating base and located below the third bending portion, an arc-shaped bend with a downward opening is formed in the first pin, the top end of the arc-shaped bend is located in the accommodating hole, an elastic pressing sheet is arranged above the accommodating hole, a thermal sensitive ceramic resistor is arranged in the accommodating hole, one end of the thermal sensitive ceramic resistor is in contact with the top end of the arc-shaped bend, and the other end of the thermal sensitive ceramic resistor is abutted to the elastic pressing sheet; and a distance is reserved between the elastic pressing piece and the bottom end of the third bending part, so that the bimetallic strip is separated from the elastic pressing piece in an original state and can be contacted with the elastic pressing piece when being heated and deformed.
The utility model provides a hot protector of air condition compressor first bending portion cooperation second flexion is out of shape when being heated and is makeed the movable contact more can break away from the stationary contact rapidly, and sensitivity is high.
Drawings
Fig. 1 is one of the schematic internal structural diagrams of a thermal protector of an air conditioner compressor provided by the present invention;
fig. 2 is a second schematic diagram of the internal structure of a thermal protector of an air conditioner compressor according to the present invention;
in the figure: the circuit comprises an insulating base 1, an insulating cover plate 2, a conductor 3, a first fixing part 3a, a first bending part 3b, a first inclined part 3c, an accommodating groove 4, a bimetallic strip 5, a second fixing part 5a, a second bending part 5b, a third bending part 5c, a second inclined part 5d, a fixed contact 6, a movable contact 7, a first pin 8, a second pin 9, an arc-shaped bend 10, an elastic pressing piece 11 and a thermal sensitive ceramic resistor 12.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Embodiment 1, the utility model provides an air condition compressor thermal protector, refer to fig. 1, including insulating base 1 and insulating cover plate 2, the insulating base is connected with the insulating cover plate; an accommodating groove 4 is formed in the insulating base, an electric conductor 3 and a bimetallic strip 5 are fixed in the accommodating groove, wherein the electric conductor can be a metal strip, a static contact 6 is arranged on the electric conductor, and a movable contact 7 matched with the static contact is arranged on the bimetallic strip; the electric conductor includes: a first fixing portion 3a, a first bending portion 3b and a first inclined portion 3c, wherein the general inclination angle of the first inclined portion relative to the vertical direction is 15-45 °, one end of the first bending portion is connected with the first fixing portion, the other end of the first bending portion is connected with the first inclined portion, the static contact is arranged at one end of the first inclined portion far away from the first bending portion, and the first fixing portion is fixed in the accommodating groove; the bimetal includes: a second fixing portion 5a, a second bending portion 5b, a third bending portion 5c and a second inclined portion 5d, wherein the general second inclined portion has an inclination angle of 15-45 with respect to the vertical direction, the second bending portion is opposite to the bending direction of the third bending portion, one end of the second bending portion is connected with the second fixing portion, the other end of the second bending portion is connected with the third bending portion, the end of the third bending portion, which is not connected with the second bending portion, is connected with the second inclined portion, the movable contact is arranged at one end of the second inclined portion far away from the second bending portion, and the second fixing portion is fixed in the accommodating groove; and a first pin 8 and a second pin 9 are fixed on the insulating base, the first pin is electrically connected with the conductor, and the second pin is electrically connected with the bimetallic strip. Specifically, the first pin and the first fixing portion are fixed on the insulating base through a metal rivet; the second pin and the second fixing part are fixed on the insulating base through metal rivets.
The air conditioner compressor thermal protector has the following advantages:
referring to fig. 1, when heated, the first bending part deforms and moves towards the upper left side, and the second bending part moves towards the upper right side, so that the movable contact can be separated from the fixed contact more quickly, and the sensitivity is high.
In order to prevent the second bending part from being deformed too fast by heat to influence the separation of the movable contact and the fixed contact, the radian of the third bending part is slightly larger than that of the second bending part.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the present invention, and the words first, second, etc. are used only for the distinction of names and not for the limitation of technical terms, and it is obvious to those skilled in the art that the present invention can be variously modified and changed. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A thermal protector of an air conditioner compressor comprises an insulating base (1) and an insulating cover plate (2), wherein the insulating base is connected with the insulating cover plate; an accommodating groove (4) is formed in the insulating base, an electric conductor (3) and a bimetallic strip (5) are fixed in the accommodating groove, a static contact (6) is arranged on the electric conductor, and a movable contact (7) matched with the static contact is arranged on the bimetallic strip; it is characterized in that the preparation method is characterized in that,
the electric conductor includes: the contact device comprises a first fixing part (3a), a first bending part (3b) and a first inclined part (3c), wherein one end of the first bending part is connected with the first fixing part, the other end of the first bending part is connected with the first inclined part, the static contact is arranged at one end, away from the first bending part, of the first inclined part, and the first fixing part is fixed in the accommodating groove;
the bimetal includes: the bending direction of the second bending part is opposite to that of the third bending part, one end of the second bending part is connected with the second fixing part, the other end of the second bending part is connected with the third bending part, the end of the third bending part, which is not connected with the second bending part, is connected with the second inclined part, the movable contact is arranged at one end, away from the second bending part, of the second inclined part, and the second fixing part is fixed in the accommodating groove;
and a first pin (8) and a second pin (9) are fixed on the insulating base, the first pin is electrically connected with the conductor, and the second pin is electrically connected with the bimetallic strip.
2. The air condition compressor thermal protector according to claim 1, wherein the first pin and the first fixing portion are fixed to the insulating base by rivets;
the second pin and the second fixing part are fixed on the insulating base through rivets.
3. An air condition compressor thermal protector as claimed in claim 1 wherein the arc of the third bend is greater than the arc of the second bend.
4. An air conditioning compressor thermal protector according to claim 1 wherein the first inclined portion is inclined at an angle of 15-45 ° to the vertical;
the second inclined portion is inclined at an angle of 15-45 ° with respect to the vertical direction.
5. An air conditioner compressor thermal protector as set forth in claim 1 wherein said bimetallic strip includes a first bimetallic strip and a second bimetallic strip, said first bimetallic strip includes said second fixed portion and a second curved portion, said second bimetallic strip includes a third curved portion and a second inclined portion, said second curved portion opens downwardly and said third curved portion opens upwardly;
the active layer of the first bimetallic strip is positioned below the passive layer, and the active layer of the second bimetallic strip is positioned above the passive layer.
6. The air condition compressor thermal protector according to claim 5, wherein a receiving hole is formed in the insulating base below the third bending portion, an arc-shaped bend (10) with a downward opening is formed in the first pin, the top end of the arc-shaped bend is located in the receiving hole, an elastic pressing sheet (11) is arranged above the receiving hole, a thermal sensitive ceramic resistor (12) is arranged in the receiving hole, one end of the thermal sensitive ceramic resistor is in contact with the top end of the arc-shaped bend, and the other end of the thermal sensitive ceramic resistor is abutted against the elastic pressing sheet;
and a distance is reserved between the elastic pressing piece and the bottom end of the third bending part, so that the bimetallic strip is separated from the elastic pressing piece in an original state and can be contacted with the elastic pressing piece when being heated and deformed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120790251.XU CN215183723U (en) | 2021-04-16 | 2021-04-16 | Thermal protector for air conditioner compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120790251.XU CN215183723U (en) | 2021-04-16 | 2021-04-16 | Thermal protector for air conditioner compressor |
Publications (1)
Publication Number | Publication Date |
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CN215183723U true CN215183723U (en) | 2021-12-14 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202120790251.XU Active CN215183723U (en) | 2021-04-16 | 2021-04-16 | Thermal protector for air conditioner compressor |
Country Status (1)
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CN (1) | CN215183723U (en) |
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2021
- 2021-04-16 CN CN202120790251.XU patent/CN215183723U/en active Active
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