CN112466717B - AC contactor with temperature control - Google Patents
AC contactor with temperature control Download PDFInfo
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- CN112466717B CN112466717B CN202011414172.5A CN202011414172A CN112466717B CN 112466717 B CN112466717 B CN 112466717B CN 202011414172 A CN202011414172 A CN 202011414172A CN 112466717 B CN112466717 B CN 112466717B
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- inner cavity
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/026—Means for indicating or recording specially adapted for thermometers arrangements for monitoring a plurality of temperatures, e.g. by multiplexing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/021—Bases; Casings; Covers structurally combining a relay and an electronic component, e.g. varistor, RC circuit
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/08—Indicators; Distinguishing marks
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Electromagnets (AREA)
- General Induction Heating (AREA)
Abstract
The invention discloses an alternating current contactor with temperature control, which comprises a device body, wherein a static iron core is fixedly connected to the bottom of an inner cavity of the device body, iron core columns are fixedly connected to the left side and the right side of the static iron core, a coil is sleeved on the outer surface of the middle part of each iron core column, a movable iron core is arranged at the top of the static iron core, a first conductive bridge is fixedly connected to the top of the movable iron core, and movable contacts are fixedly connected to the bottoms of the left end and the right end of the first conductive bridge. According to the alternating current contactor with the temperature control, the temperature sensor is arranged at the bottom of the second conductive bridge, so that the temperature of the fixed contact is monitored through the temperature sensor when the device body works, the phenomena of high temperature of the fixed contact, abrasion and fusion welding caused by large current input are prevented, and the specific temperature value of the fixed contact can be seen at any time through the arranged temperature display meter.
Description
Technical Field
The invention relates to the field of alternating-current contactors, in particular to an alternating-current contactor with temperature control.
Background
The working principle of the alternating current contactor is that electromagnetic force is matched with spring force to realize connection and disconnection of the contact, when the attraction coil is electrified, the static iron core generates electromagnetic attraction force, the armature is attracted, and a connecting rod connected with the armature drives the contact to act, so that the normally closed contact is in an electrified state; when the attraction coil is powered off, the electromagnetic attraction force disappears, the armature is re-opened, the normally open contact is closed, the normally open contact is released under the action of the reset spring, all contacts are reset along with the normally open contact, and the contactor is in a power-off state.
Disclosure of Invention
The invention mainly aims to provide an alternating current contactor with temperature control, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the alternating current contactor with the temperature control comprises a device body, wherein a static iron core is fixedly connected to the bottom of an inner cavity of the device body, iron core columns are fixedly connected to the left side and the right side of the static iron core, a coil is sleeved on the outer surface of the middle of each iron core column, a movable iron core is arranged at the top of each static iron core, a first conductive bridge is fixedly connected to the top of each movable iron core, movable contacts are fixedly connected to the bottoms of the left end and the right end of each first conductive bridge, second conductive bridges are fixedly connected to the left side and the right side of the top of the device body, fixed contacts are fixedly connected to the tops of the opposite sides of the two second conductive bridges, wiring terminals are fixedly connected to the tops of the opposite sides of the two second conductive bridges, a temperature sensor is arranged at the bottom of the opposite sides of the two second conductive bridges, a temperature controller is fixedly connected to the right side of the device body, the temperature controller is provided with a temperature display meter far away from the top of one side of the device body, the bottom of the movable iron core is provided with a reset spring, the left side and the right side of the device body are symmetrically provided with second grooves, the tops of two inner cavities of the second grooves are provided with third grooves, the opposite sides of the inner cavities of the two third grooves are provided with fourth grooves, the opposite sides of the two fourth grooves are provided with fifth grooves, the middle parts of the left side wall body and the right side wall body of the inner cavity of the second groove are fixedly connected with wire blocks, the middle parts of the second grooves are provided with fixing plates, the middle parts of the fixing plates are inserted with dislocation lines, the top of the fixing plates are fixedly connected with moving rods, the left side and the right side of the middle parts of the moving rods are symmetrically fixedly connected with first fixing blocks, the left side of the top ends of the moving rods are provided with seventh grooves, the right side of the top of the moving rods is fixedly connected with second fixing blocks, the middle part of the fifth groove is provided with a rotating rod, the middle part of the rotating rod is inserted with a fixed rod, one side of the rotating rod away from the third groove is fixedly connected with a moving block, the top of the left side wall body of the inner cavity of the third groove is provided with a sixth groove, the inner cavity of the sixth groove is provided with a spring, the inner cavity of the sixth groove is provided with a telescopic block, the top and the bottom of the telescopic block are symmetrically provided with iron blocks, the opening of the sixth groove is fixedly connected with a limiting block, the left side and the right side of the device body are provided with a first groove, the inner cavity of the first groove is fixedly connected with an electromagnetic suction device, the positions of the fixed contact and the moving contact are corresponding, the moving contact is right above the fixed contact, the temperature sensor is right below the fixed contact, the moving iron core is right above the fixed iron core, the bottom of the reset spring is fixedly connected with the top end of the iron core column, the movable iron core is matched with the static iron core, the wire block is fixedly connected with the coil, the dislocation wire is H-shaped, the fixing plate is sleeved in the middle of the dislocation wire, the dislocation wire is tightly attached to the wall body of the fixing plate, the left end and the right end of the dislocation wire are the same as the wire block in size, the dislocation wire is matched with the second groove, the moving rod is matched with the third groove in size, the top of the moving rod extends to the inside of the third groove, the length of the second fixing block is matched with the length of the fourth groove, the second fixing block is arranged in the fourth groove, the first fixing block is arranged in the second groove, the first fixing block is matched with the second groove in size, the top of the moving rod is set to be an inclined plane, the top of the telescopic block is set to be an inclined plane, the inclined plane of the moving rod is opposite to the inclined plane of the telescopic block, the utility model discloses a device, including the fixed lever, the fixed lever is in the middle part of fifth recess, the both ends of fixed lever are in the preceding lateral wall body and the back lateral wall body fixed connection of fifth recess inner chamber respectively, the one end that the dwang is close to the third recess extends to the inside of fixed lever, the one end that the dwang is close to the third recess is in the below of second fixed block, the movable block is on the right side of device body, one side top that the fifth recess inner chamber is close to the movable block sets up to the inclined plane, one side bottom that the fifth recess inner chamber is close to the fourth recess sets up to the inclined plane.
Preferably, one end of the spring far away from the opening of the sixth groove is fixedly connected with the wall body of the inner cavity of the sixth groove, one end of the spring close to the opening of the sixth groove is fixedly connected with one end of the telescopic block far away from the opening of the sixth groove, the spring is at the deepest part of the sixth groove, the distance between the first groove and the sixth groove is one to five millimeters, the first groove and the sixth groove are on the same horizontal line, and the position of the first groove is at one side of the sixth groove far away from the third groove.
Preferably, the iron blocks are arranged in the sixth groove, the thickness of the telescopic blocks plus the thickness of the two iron blocks is equal to the thickness of the inner cavity of the sixth groove, and the telescopic blocks penetrate through the limiting block and extend to the inside of the seventh groove.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the temperature sensor is arranged at the bottom of the second conductive bridge, so that when the device body works, the temperature sensor monitors the temperature of the fixed contact, the phenomenon that the temperature of the fixed contact is too high and abrasion and fusion welding occur due to large current input is prevented, the temperature specific value of the fixed contact can be seen at any time through the arranged temperature display meter, the two temperature display meters can be watched at the same time through the arranged two fixed contacts, the situation that one of the two temperature display meters causes misjudgment is prevented, the occurrence of accidents is avoided, the temperature sensor controls the electromagnetic suction device to work or not through the arranged temperature controller, when the temperature sensor detects that the temperature is too high, the temperature sensor controls the electromagnetic suction device to work, the coil is disconnected to supply power, the device body is further stopped to work, the safety protection function is achieved, the contact area is increased through the fact that the arranged wire block is matched with the dislocation wire, the contact area is normally electrified when the device works, the situation that the current is not smooth cannot occur, and the rotating rod and the moving rod is matched with the moving rod can be moved upwards through the arranged, and the safety protection function is further achieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a diagram of the operation of the present invention;
FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 4 is a diagram of the operation of the movable lever of the present invention;
fig. 5 is a partial enlarged view of the present invention at B in fig. 3.
In the figure: 1. a device body; 2. a stationary core; 3. a movable iron core; 4. an electromagnetic suction device; 5. a first conductive bridge; 6. a moving contact; 7. a second conductive bridge; 8. a stationary contact; 9. a terminal; 10. a temperature sensor; 11. a temperature controller; 12. a temperature display table; 13. an iron core column; 14. a coil; 15. a return spring; 16. a first groove; 17. a second groove; 18. a third groove; 19. a fourth groove; 20. a fifth groove; 21. a sixth groove; 22. dislocation lines; 23. a fixing plate; 24. a moving rod; 25. a wire block; 26. a first fixed block; 27. a second fixed block; 28. a seventh groove; 29. a fixed rod; 30. a rotating lever; 31. a moving block; 32. a spring; 33. a telescopic block; 34. iron blocks; 35. and a limiting block.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1-5, an ac contactor with temperature control comprises a device body 1, a static iron core 2 is fixedly connected to the bottom of the inner cavity of the device body 1, iron core columns 13 are fixedly connected to the left and right sides of the static iron core 2, coils 14 are sleeved on the outer surfaces of the middle parts of the iron core columns 13, a movable iron core 3 is arranged at the top of the static iron core 2, the movable iron core 3 is matched with the static iron core 2, a first conductive bridge 5 is fixedly connected to the top of the movable iron core 3, a movable contact 6 is fixedly connected to the bottoms of the left and right ends of the first conductive bridge 5, a second conductive bridge 7 is fixedly connected to the left and right sides of the top of the device body 1, a static contact 8 is fixedly connected to the top of one side opposite to the two second conductive bridges 7, the static contact 8 corresponds to the position of the movable contact 6, the movable contact 6 is arranged right above the static contact 8, two temperature display tables 12 can be watched simultaneously through arranging two static contacts 8, the situation of misjudgment is prevented from happening, the occurrence of accidents is avoided, the top of one side of the two second conductive bridges 7, which are opposite to each other, is fixedly connected with a wiring terminal 9, the bottom of one side of the two second conductive bridges 7, which are opposite to each other, is provided with a temperature sensor 10, the temperature sensor 10 is arranged right below the fixed contact 8, the temperature of the fixed contact 8 can be monitored through the temperature sensor 10 when the device body 1 works by the bottom of the second conductive bridge 7, the phenomenon of abrasion and fusion welding caused by overhigh temperature of the fixed contact 8 due to large current input is prevented, the right side of the device body 1 is fixedly connected with a temperature controller 11, the top of one side of the temperature controller 11, which is far away from the device body 1, is provided with a temperature display meter 12, the specific temperature value of the fixed contact 8 can be seen at any time through the temperature display meter 12, the temperature controller 11 controls the electromagnetic suction device 4 to work or not, when the temperature sensor 10 detects that the temperature is too high, the temperature sensor 10 controls the electromagnetic suction device 4 to work, the coil 14 is powered off, the device body 1 is further stopped to work and play a role in safety protection, the bottom of the movable iron core 3 is provided with a return spring 15, the bottom end of the return spring 15 is fixedly connected with the top end of the iron core column 13, the left side and the right side of the device body 1 are symmetrically provided with a second groove 17, the tops of the inner cavities of the two second grooves 17 are provided with a third groove 18, the opposite sides of the inner cavities of the two third grooves 18 are provided with a fourth groove 19, the opposite sides of the two fourth grooves 19 are provided with a fifth groove 20, the top of one side of the inner cavity of the fifth groove 20, which is close to the moving block 31, the bottom of one side of the inner cavity of the fifth groove 20, which is close to the fourth groove 19, is provided with an inclined surface, the middle parts of the left and right side wall bodies of the inner cavity of the second groove 17 are fixedly connected with wire blocks 25, the middle part of the second groove 17 is provided with a fixing plate 23, the middle part of the fixing plate 23 is inserted with a dislocation line 22, the wire blocks 25 are fixedly connected with the coil 14, the dislocation line 22 is H-shaped, the fixing plate 23 is sleeved at the middle part of the dislocation line 22, the dislocation line 22 is tightly attached to the wall body of the fixing plate 23, the left and right ends of the dislocation line 22 are the same as the wire blocks 25 in size, the dislocation line 22 is matched with the second groove 17, the wire blocks 25 are matched with the dislocation line 22 in shape, the dislocation line 22 is H-shaped, the contact area is increased, the device can be electrified normally when in operation, the situation of unsmooth current does not occur, the top of the fixing plate 23 is fixedly connected with a movable rod 24, the size of the movable rod 24 is matched with the third groove 18, the top of the movable rod 24 extends to the inside of the third groove 18, the left side and the right side of the middle part of the moving rod 24 are symmetrically and fixedly connected with a first fixed block 26, the first fixed block 26 is arranged in the second groove 17, the size of the first fixed block 26 is matched with that of the second groove 17, the left side of the top end of the moving rod 24 is provided with a seventh groove 28, the right side of the top of the moving rod 24 is fixedly connected with a second fixed block 27, the length of the second fixed block 27 is matched with that of the fourth groove 19, the second fixed block 27 is arranged in the fourth groove 19, the middle part of the fifth groove 20 is provided with a rotating rod 30, one end of the rotating rod 30, which is close to the third groove 18, extends to the inside of a fixed rod 29, one end of the rotating rod 30, which is close to the third groove 18, is arranged below the second fixed block 27, through the matching of the rotating rod 30 and the moving rod 24, after the temperature of the fixed contact 8 is cooled, the moving rod 24 can be driven to move upwards by downwards through the rotating rod 30, the device body 1 is further enabled to work normally and play a role of safety, the movable block 31 is arranged on the right side of the device body 1, the fixed rod 29 is inserted in the middle of the rotating rod 30, the fixed rod 29 is arranged in the middle of the fifth groove 20, two ends of the fixed rod 29 are fixedly connected with the front side wall body and the rear side wall body of the inner cavity of the fifth groove 20 respectively, one side of the rotating rod 30, which is far away from the third groove 18, is fixedly connected with the movable block 31, the top of the left side wall body of the inner cavity of the third groove 18 is provided with the sixth groove 21, the inner cavity of the sixth groove 21 is provided with the spring 32, one end of the spring 32, which is far away from the opening of the sixth groove 21, is fixedly connected with the wall body of the inner cavity of the sixth groove 21, one end of the spring 32, which is close to the opening of the sixth groove 21, is fixedly connected with one end of the telescopic block 33, which is far away from the opening of the sixth groove 21, the inner cavity of the spring 32 is provided with the telescopic block 33, the top of movable rod 24 sets up to the inclined plane, the top of telescopic block 33 sets up to the inclined plane, the inclined plane of movable rod 24 is relative with the inclined plane of telescopic block 33, telescopic block 33 runs through stopper 35 and extends to the inside of seventh recess 28, the top and the bottom symmetry of telescopic block 33 are provided with iron plate 34, iron plate 34 is in the inside of sixth recess 21, the thickness of telescopic block 33 plus the thickness of two iron plates 34 equals the inner chamber thickness of sixth recess 21, stopper 35 is fixedly connected with in the opening part of sixth recess 21, first recess 16 has been seted up to the left and right sides of device body 1, the inner chamber fixedly connected with electromagnetism absorbing device 4 of first recess 16, the distance of first recess 16 and sixth recess 21 is one to five millimeters, first recess 16 and sixth recess 21 are on the same horizontal line, the position of first recess 16 is in the one side that sixth recess 21 kept away from third recess 18.
When the current flowing through the second conductive bridge 7 is too high, the temperature controller 11 controls the electromagnetic attraction device 4 to work to move the iron block 34, so that the telescopic block 33 moves out of the seventh groove 28, the moving rod 24 moves downwards due to gravity, the wire block 25 is separated from the dislocation wire 22, the coil 14 is disconnected, the moving iron core 3 is reset by the reset spring 15, the moving contact 6 is disconnected from the fixed contact 8, the work is stopped, the moving block 31 moves upwards through the second fixed block 27, the moving block 31 cools the temperature of the fixed contact 8, the moving block 31 moves downwards through the moving block 30 when the temperature of the fixed contact 8 is too high, and the wire block 33 moves downwards through the moving block 31 when the temperature of the fixed contact 8 is too high, so that the wire block 33 moves into the dislocation wire 2, namely the upper part of the moving block 25 is contacted with the fixed contact 8, and the wire block 25 is contacted with the moving iron core 2, and the upper part of the moving block 25 is in the normal state.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides an alternating current contactor of area control by temperature change, includes device body (1), its characterized in that: the device comprises a device body (1), wherein a static iron core (2) is fixedly connected to the bottom of an inner cavity of the device body (1), iron core columns (13) are fixedly connected to the left side and the right side of the static iron core (2), coils (14) are sleeved on the outer surface of the middle of each iron core column (13), a movable iron core (3) is arranged at the top of each static iron core (2), a first conductive bridge (5) is fixedly connected to the top of each movable iron core (3), a movable contact (6) is fixedly connected to the bottom of the left end and the right end of each first conductive bridge (5), a second conductive bridge (7) is fixedly connected to the left side and the right side of the top of the device body (1), a static contact (8) is fixedly connected to the top of each second conductive bridge (7), a wiring terminal (9) is fixedly connected to the top of each second conductive bridge (7) on the opposite side, a temperature sensor (10) is arranged at the bottom of each second conductive bridge (7), a temperature controller (11) is fixedly connected to the right side of the device body (1), a spring (15) is arranged at the bottom of each second conductive bridge (7) on the opposite side, a reset device body (1) is arranged on the left side, a reset spring (15) is arranged on the bottom of the device body (1), the top of the inner cavity of the second groove (17) is provided with a third groove (18), the opposite sides of the inner cavity of the third groove (18) are provided with a fourth groove (19), the opposite sides of the inner cavity of the fourth groove (19) are provided with a fifth groove (20), the middle parts of the left and right side wall bodies of the inner cavity of the second groove (17) are fixedly connected with a wire block (25), the middle part of the second groove (17) is provided with a fixed plate (23), the middle part of the fixed plate (23) is inserted with a dislocation line (22), the top of the fixed plate (23) is fixedly connected with a movable rod (24), the left and right sides of the middle part of the movable rod (24) are symmetrically and fixedly connected with a first fixed block (26), the left side of the top of the movable rod (24) is provided with a seventh groove (28), the right side of the top of the movable rod (24) is fixedly connected with a second fixed block (27), the middle part of the fifth groove (20) is provided with a rotating rod (30), the middle part of the rotating rod (30) is inserted with a fixed plate (23), the middle part of the rotating rod (30) is provided with a moving rod (21), the top of the third groove (18) is provided with a sixth groove (32), the inner cavity of the sixth groove (21) is provided with a telescopic block (33), the top and the bottom of the telescopic block (33) are symmetrically provided with an iron block (34), the opening of the sixth groove (21) is fixedly connected with a limiting block (35), the left side and the right side of the device body (1) are provided with a first groove (16), the inner cavity of the first groove (16) is fixedly connected with an electromagnetic attraction device (4), the positions of the fixed contact (8) and the movable contact (6) are corresponding, the movable contact (6) is right above the fixed contact (8), the temperature sensor (10) is right below the fixed contact (8), the movable iron core (3) is right above the fixed iron core (2), the bottom end of the reset spring (15) is fixedly connected with the top end of the iron core column (13), the movable iron core (3) is matched with the fixed iron core (2), the wire block (25) is fixedly connected with the coil (14), the shape of the dislocation wire (22) is in an H shape, the two small dislocation wires (23) are tightly matched with the two dislocation plates (22) at the two sides of the middle part (22) of the fixed wire (22) and the two dislocation plates (22) are tightly matched with the two dislocation plates (23), the size of the moving rod (24) is matched with that of the third groove (18), the top of the moving rod (24) is extended to the inside of the third groove (18), the length of the second fixing block (27) is matched with that of the fourth groove (19), the second fixing block (27) is arranged in the inside of the fourth groove (19), the first fixing block (26) is arranged in the inside of the second groove (17), the size of the first fixing block (26) is matched with that of the second groove (17), the top of the moving rod (24) is provided with an inclined plane, the top of the telescopic block (33) is provided with an inclined plane, the inclined plane of the moving rod (24) is opposite to that of the telescopic block (33), the fixing rod (29) is arranged in the middle of the fifth groove (20), two ends of the fixing rod (29) are fixedly connected with the front side wall body and the rear side wall body of the inner cavity of the fifth groove (20) respectively, the rotating rod (30) is arranged close to the inner cavity of the third groove (18), the top of the moving rod (24) is provided with an inclined plane near to the inner cavity (31) of the second groove (18), the top of the moving rod (33) is arranged at one side (31) near the inner side of the moving rod (31), the bottom of one side of the inner cavity of the fifth groove (20) close to the fourth groove (19) is provided with an inclined plane.
2. The ac contactor with temperature control as claimed in claim 1, wherein: one end of a spring (32) far away from an opening of the sixth groove (21) is fixedly connected with an inner cavity wall body of the sixth groove (21), one end of the spring (32) near the opening of the sixth groove (21) is fixedly connected with one end of a telescopic block (33) far away from the opening of the sixth groove (21), the spring (32) is at the deepest part of the sixth groove (21), the distance between the first groove (16) and the sixth groove (21) is one to five millimeters, the first groove (16) and the sixth groove (21) are on the same horizontal line, and the position of the first groove (16) is at one side of the sixth groove (21) far away from the third groove (18).
3. The ac contactor with temperature control as claimed in claim 2, wherein: the iron blocks (34) are arranged in the sixth groove (21), the thickness of the telescopic blocks (33) plus the thickness of the two iron blocks (34) is equal to the thickness of the inner cavity of the sixth groove (21), and the telescopic blocks (33) penetrate through the limiting blocks (35) and extend to the inside of the seventh groove (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011414172.5A CN112466717B (en) | 2020-12-07 | 2020-12-07 | AC contactor with temperature control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011414172.5A CN112466717B (en) | 2020-12-07 | 2020-12-07 | AC contactor with temperature control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112466717A CN112466717A (en) | 2021-03-09 |
| CN112466717B true CN112466717B (en) | 2023-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011414172.5A Active CN112466717B (en) | 2020-12-07 | 2020-12-07 | AC contactor with temperature control |
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| Country | Link |
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| CN (1) | CN112466717B (en) |
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