CN215178249U - Temperature measuring device for circuit breaker - Google Patents
Temperature measuring device for circuit breaker Download PDFInfo
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- CN215178249U CN215178249U CN202121215220.8U CN202121215220U CN215178249U CN 215178249 U CN215178249 U CN 215178249U CN 202121215220 U CN202121215220 U CN 202121215220U CN 215178249 U CN215178249 U CN 215178249U
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- circuit breaker
- main part
- circuit
- temperature
- connecting device
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Abstract
The utility model belongs to the technical field of circuit breaker temperature measuring equipment, specifically a circuit breaker temperature measuring device, including the circuit breaker main part, one side fixedly connected with control main part of circuit breaker main part, one side of control main part is provided with safety inspection switch, temperature detection panel, fixed screw hole has all been seted up to one side top and the below of circuit breaker main part near control main part, circuit connection groove has all been seted up at the both ends of circuit breaker main part, the fixed screw hole corresponds with the position of circuit connection groove; through the inside temperature rising of circuit breaker main part during operation, when detecting inside temperature rising to the limit through the temperature detection panel, through the circuit disconnection of temperature detection panel with circuit breaker main part inside, avoid the temperature to exceed limit department and increase the oxidation degree because of generating heat, and then cause to burn out heavy accidents such as generating line, contact damage dish.
Description
Technical Field
The utility model relates to a circuit breaker temperature measurement equipment technical field specifically is a circuit breaker temperature measuring device.
Background
In a circuit system, in a high-voltage circuit system, heat generation accidents frequently occur at movable and fixed contacts of electrical equipment, the accidents not only seriously affect the normal operation of the circuit system, but also cause remarkable economic loss.
The existing circuit breaker has narrow working space, a temperature measuring sensor is difficult to fix and a temperature measuring point is inaccurate when the shaft type static contact is arranged, and the oxidation degree is increased due to heating at the temperature overrun position along with the prolonging of the temperature rise time, so that the problems of serious accidents such as bus burning, contact damage disc damage, power failure and the like can be caused; therefore, the temperature measuring device for the circuit breaker is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
In order to compensate prior art's not enough, it is narrow and small to have solved current circuit breaker working space, and the axle type is installed temperature sensor on the static contact and is difficult to fix and the temperature measurement point is inaccurate, along with the extension of temperature rise time, increases oxidation degree because of generating heat when the temperature transfinites the department, and then probably causes the problem of burning out heavy accidents such as generating line, contact damage dish, having a power failure, the utility model provides a circuit breaker temperature measuring device.
The utility model provides a technical scheme that its technical problem adopted is: the utility model discloses a circuit breaker temperature measuring device, including the circuit breaker main part, one side fixedly connected with control main part of circuit breaker main part, one side of control main part is provided with safety inspection switch, temperature detection panel, the circuit breaker main part is close to one side top and the below of control main part and all has seted up fixed screw hole, the circuit connection groove has all been seted up at the both ends of circuit breaker main part, the fixed screw hole corresponds with the position of circuit connection groove; avoid the temperature overrun department because of heating and increase the oxidation degree, and then cause and burn out important accident such as generating line, contact damage dish.
Preferably, the internal thread of the fixed threaded hole is connected with a fixed threaded rod, a circuit connecting device is arranged in the breaker main body, the position of the circuit connecting device corresponds to the position of the line connecting groove, a switch and a temperature detection control switch are respectively arranged on two sides of the circuit connecting device, one end of the switch, which is far away from the circuit connecting device, is connected with the control main body, and one end of the temperature detection control switch, which is far away from the circuit connecting device, penetrates through the breaker main body and is in threaded connection with the blocking plug; the area of temperature measurement is increased, and the phenomenon that the circuit connecting device is damaged due to the fact that the circuit connecting device cannot be timely and effectively disconnected due to the fact that the temperature measurement area is too small is avoided.
Preferably, the temperature detection control switch comprises a temperature detection control shell, one side of the temperature detection control shell is communicated with a mercury storage shell, two ends of the inner wall of the temperature detection control shell are fixedly connected with first springs, one end of each first spring, far away from the temperature detection control shell, is fixedly connected with a first piston plate, and one side of each first piston plate is connected with a sliding rail in a sliding manner; the user can check the temperature change of the circuit breaker conveniently.
Preferably, one side, away from the mercury storage shell, of the temperature detection control shell is communicated with a power-off switch shell, the side surfaces of the inner wall of the power-off switch shell are connected with second piston plates in a sliding mode, one side, away from the temperature detection control shell, of each second piston plate is fixedly connected with an ejector rod, one end of each ejector rod penetrates through the power-off switch shell and is attached to the circuit connecting device, and the ejector rods are made of materials which are not conductive but have good thermal conductivity; avoid burning out generating line, contact and destroy the dish and cause major accident, increase working cost.
Preferably, the circuit connecting device comprises a wire clamping shell and a wire connecting device, one side of the inner wall of the wire clamping shell is fixedly connected with a second spring, and one end of the second spring is fixedly connected with a wire clamping block; the electric wire is prevented from falling off accidentally during working and generating danger.
Preferably, the wire connecting device comprises a rotating connecting block, a wire placing groove is formed in one side of the rotating connecting block, and an anti-falling device is arranged on the side surface of the wire placing groove; the electric wire can not easily fall off under the action of external force, and the safety performance of the circuit breaker is improved.
The utility model discloses an useful part lies in:
1. the utility model provides a circuit breaker temperature measuring device, through the fixed screw hole in the circuit breaker main part and line connection groove with the circuit intercommunication, the temperature of inside when the circuit breaker main part is worked rises, when detecting the temperature of inside through the temperature detection panel and rising to the limit, break off the circuit of circuit breaker main part inside through the temperature detection panel, avoid the temperature to exceed the limit and increase the oxidation degree because of generating heat, and then cause to burn out important accidents such as generating line, contact damage dish;
2. the utility model provides a circuit breaker temperature measuring device, the temperature risees to the limit when circuit connection device during operation, detects the temperature through temperature detection control switch and when rising to transfinite department, temperature detection control switch passes through the switch and makes circuit connection device disconnection, and the area of increase temperature measurement avoids the temperature measurement area undersize can not in time effectually lead to circuit connection device to break off the damage of circuit connection device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of the first embodiment;
FIG. 3 is a partial enlarged view of the first embodiment at A in FIG. 2;
FIG. 4 is a diagram of a circuit connection device according to the first embodiment;
fig. 5 is a diagram of the anti-falling device of the second embodiment.
In the figure: 1. a circuit breaker main body; 2. a control body; 3. a safety detection switch; 4. a temperature detection panel; 5. fixing the threaded hole; 6. a line connecting groove; 51. fixing a threaded rod; 52. a circuit connection device; 53. an electric brake; 54. a temperature detection control switch; a1, temperature detection control shell; a2, mercury storage shell; a3, a first spring; a4, a first piston plate; a5, a slide rail; a6, power-off switch shell; a7, a second piston plate; a8, ejector pin; 521. a wire gripping housing; 522. a wire connecting device; 523. a second spring; 524. a wire clamping block; 525. rotating the connecting block; 526. a wire placement groove; 527. an anti-falling device; b1, an elastic shell; b2, arc slide tube; b3, a third piston plate; b4, a moving rod; b5, a latch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
Referring to fig. 1-4, a temperature measuring device for a circuit breaker comprises a circuit breaker main body 1, wherein a control main body 2 is fixedly connected to one side of the circuit breaker main body 1, a safety detection switch 3 and a temperature detection panel 4 are arranged on one side of the control main body 2, fixing threaded holes 5 are respectively formed in the upper part and the lower part of one side, close to the control main body 2, of the circuit breaker main body 1, circuit connecting grooves 6 are respectively formed in two ends of the circuit breaker main body 1, and the positions of the fixing threaded holes 5 correspond to the positions of the circuit connecting grooves 6; when the circuit breaker works, the working space of the existing circuit breaker is narrow, the temperature measuring sensor arranged on the shaft static contact is difficult to fix, the temperature measuring point is inaccurate, and the oxidation degree is increased due to heating at the temperature overrun position along with the prolonging of the temperature rise time, so that serious accidents such as bus burning, contact damage disc damage, power failure and the like can be caused; through fixed screw hole 5 and circuit connection groove 6 in circuit breaker main part 1 with the circuit intercommunication, the inside temperature of circuit breaker main part 1 during operation risees, when detecting inside temperature through temperature detection panel 4 and risees to the limit, through the circuit disconnection of temperature detection panel 4 with circuit breaker main part 1 inside, avoids the temperature to exceed limit department and increase the oxidation degree because of generating heat, and then causes to burn out important accidents such as generating line, contact damage dish.
A fixed threaded rod 51 is connected with the inner thread of the fixed threaded hole 5, a circuit connecting device 52 is arranged in the breaker main body 1, the position of the circuit connecting device 52 corresponds to the position of the line connecting groove 6, a switch 53 and a temperature detection control switch 54 are respectively arranged on two sides of the circuit connecting device 52, one end of the switch 53, far away from the circuit connecting device 52, is connected with the control main body 2, and one end of the temperature detection control switch 54, far away from the circuit connecting device 52, penetrates through the breaker main body 1 and is in threaded connection with the blocking plug; when the temperature measuring device works, an electric wire enters the circuit connecting device 52 through the circuit connecting groove 6, the electric wire is fixed for the first time through the fixed threaded rod 51, when the temperature of the circuit connecting device 52 rises to the limit during working, and the temperature is detected to rise to the position exceeding the limit through the temperature detection control switch 54, the temperature detection control switch 54 enables the circuit connecting device 52 to be disconnected through the electric brake 53, so that the temperature measuring area is increased, and the problem that the circuit connecting device 52 is damaged due to the fact that the temperature measuring area is too small and the circuit connecting device 52 cannot be timely and effectively disconnected is avoided;
the temperature detection control switch 54 comprises a temperature detection control housing a1, one side of the temperature detection control housing a1 is communicated with a mercury storage housing a2, two ends of the inner wall of the temperature detection control housing a1 are fixedly connected with first springs a3, one end, far away from the temperature detection control housing a1, of each first spring a3 is fixedly connected with a first piston plate a4, and one side of each first piston plate a4 is slidably connected with a sliding rail a 5; in operation, after the temperature of the circuit connection device 52 rises, the mercury in the mercury storage housing a2 is vaporized, the air pressure in the temperature detection control housing a1 is increased, the first piston plate a4 presses the first spring a3 to move on the surface of the sliding rail a5, and the moving track of the first piston plate a4 is displayed through the temperature detection panel 4, so that a user can conveniently check the temperature change of the circuit breaker;
the side, far away from the mercury storage housing a2, of the temperature detection control housing a1 is communicated with a power-off switch housing a6, the side surfaces of the inner wall of the power-off switch housing a6 are connected with a second piston plate a7 in a sliding mode, one side, far away from the temperature detection control housing a1, of the second piston plate a7 is fixedly connected with an ejector rod a8, one end of the ejector rod a8 penetrates through the power-off switch housing a6 and is attached to the circuit connecting device 52, and the ejector rod a8 is made of a material which is not conductive but has good thermal conductivity; when the circuit connecting device 52 works, when the temperature of the circuit connecting device 52 rises to the limit, mercury is vaporized through the ejection rod a8, a user cannot find in time that gas enters the power-off switch shell a6 to press the second piston plate a7, the ejection rod a8 is driven to move through the second piston plate a7, and the circuit connecting device 52 is ejected through the ejection rod a8, so that major accidents caused by burning buses, contacts, contact plates and the like are avoided, and the working cost is increased;
the circuit connecting device 52 comprises a wire clamping shell 521 and a wire connecting device 522, wherein a second spring 523 is fixedly connected to one side of the inner wall of the wire clamping shell 521, and one end of the second spring 523 is fixedly connected with a wire clamping block 524; during operation, after the wire enters the circuit connecting device 52, the wire presses the wire clamping block 524, so that the wire clamping block 524 presses the second spring 523, and after the wire is inserted in place, the wire clamping block 524 clamps the wire through the elastic force of the second spring 523, thereby avoiding the wire from falling off accidentally during operation;
the electric wire connecting device 522 comprises a rotating connecting block 525, one side of the rotating connecting block 525 is provided with an electric wire placing groove 526, and the side surface of the electric wire placing groove 526 is provided with an anti-falling device 527; during operation, after the electric wire gets into inside the electric wire standing groove 526, through anti-drop device 527 with the further clamp of electric wire, make the electric wire also can not drop easily under the effect of external force, improve the security performance of circuit breaker.
Example two
Referring to fig. 5, as another embodiment of the present invention, in a first comparative example, the dropping device 527 includes an elastic casing b1, one side of the elastic casing b1 is communicated with an arc-shaped sliding tube b2, side surfaces of an inner wall of the arc-shaped sliding tube b2 are slidably connected with a third piston plate b3, one side of the third piston plate b3 is fixedly connected with a moving rod b4, and one end of the moving rod b4, which is far away from the third piston plate b3, is fixedly connected with a fixture block b 5; during operation, through electric wire extrusion fixture block b5, fixture block b5 drives movable rod b4 and third piston board b3 and moves, extrude the inside gas of arc slide tube b2, make elastic housing b1 inflation, after the electric wire moved in place, elastic housing b1 makes movable rod b4, third piston board b3 and fixture block b5 extrusion electric wire, make the electric wire installation can not drop easily from the circuit breaker, avoid causing the danger that leads to the worker to electrocute when the maintenance after the power failure.
The working principle is that after the electric wire enters the circuit connecting device 52, the electric wire presses the electric wire clamping block 524 to enable the electric wire clamping block 524 to press the second spring 523, after the electric wire enters the electric wire placing groove 526, the electric wire is further clamped through the anti-falling device 527, the clamping block b5 is pressed through the electric wire, the clamping block b5 drives the moving rod b4 and the third piston plate b3 to move, gas inside the arc-shaped sliding tube b2 is pressed to enable the elastic shell b1 to expand, after the electric wire moves in place, the elastic shell b1 enables the moving rod b4, the third piston plate b3 and the clamping block b5 to press the electric wire, the electric wire enters the circuit connecting device 52 through the circuit connecting groove 6, the electric wire is fixed for the first time through the fixed threaded rod 51, after the temperature of the circuit connecting device 52 rises, mercury inside the mercury storage shell a2 is vaporized, the air pressure inside the temperature detection control shell a1 is increased, and the first piston plate a4 presses the first spring a3 to move on the surface of the sliding rail 5, the gas entering the power-off switch housing a6 presses the second piston plate a7, and the ejector rod a8 is moved by the second piston plate a7, thereby ejecting the circuit connecting device 52 through the ejector rod a 8.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a circuit breaker temperature measuring device, includes circuit breaker main part (1), its characterized in that: one side fixedly connected with control main part (2) of circuit breaker main part (1), one side of control main part (2) is provided with safety inspection switch (3), temperature detection panel (4), fixed screw hole (5) have all been seted up to one side top and the below that is close to control main part (2) of circuit breaker main part (1), circuit spread groove (6) have all been seted up at the both ends of circuit breaker main part (1), fixed screw hole (5) are corresponding with the position of circuit spread groove (6).
2. The temperature measuring device of the circuit breaker according to claim 1, characterized in that: the inside threaded connection of fixed screw hole (5) has fixed threaded rod (51), circuit breaker main part (1) is inside to be provided with circuit connecting device (52), the position of circuit connecting device (52) is corresponding with the position of circuit connection groove (6), the both sides of circuit connecting device (52) are provided with electric brake (53), temperature detection control switch (54) respectively, the one end that circuit connecting device (52) were kept away from in electric brake (53) is connected with control main part (2), the one end that circuit connecting device (52) were kept away from in temperature detection control switch (54) runs through circuit breaker main part (1) and with block stopper threaded connection.
3. The temperature measuring device for the circuit breaker according to claim 2, wherein: temperature detect control switch (54) include temperature detect control housing (a1), one side intercommunication of temperature detect control housing (a1) has mercury to store casing (a2), the equal fixedly connected with first spring (a3) in the inner wall both ends of temperature detect control housing (a1), the one end fixedly connected with first piston board (a4) that temperature detect control housing (a1) is kept away from in first spring (a3), one side sliding connection of first piston board (a4) has slide rail (a 5).
4. The temperature measuring device of the circuit breaker according to claim 3, wherein: one side intercommunication that mercury storage casing (a2) was kept away from to temperature detect control casing (a1) has outage switch casing (a6), the equal sliding connection in inner wall side of outage switch casing (a6) has second piston board (a7), second piston board (a7) is kept away from temperature detect control casing (a1) one side fixedly connected with ejector pin (a8), the one end of ejector pin (a8) runs through outage switch casing (a6) and laminates with circuit connection device (52), the non-conducting material of ejector pin (a8) nevertheless has good heat conductivity.
5. The temperature measuring device of the circuit breaker according to claim 4, wherein: the circuit connecting device (52) comprises a wire clamping shell (521) and a wire connecting device (522), wherein a second spring (523) is fixedly connected to one side of the inner wall of the wire clamping shell (521), and a wire clamping block (524) is fixedly connected to one end of the second spring (523).
6. The temperature measuring device of the circuit breaker according to claim 5, wherein: electric wire connecting device (522) is including rotating connecting block (525), electric wire standing groove (526) have been seted up to one side of rotating connecting block (525), the side of electric wire standing groove (526) is provided with anti-drop device (527).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121215220.8U CN215178249U (en) | 2021-06-01 | 2021-06-01 | Temperature measuring device for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121215220.8U CN215178249U (en) | 2021-06-01 | 2021-06-01 | Temperature measuring device for circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215178249U true CN215178249U (en) | 2021-12-14 |
Family
ID=79376899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121215220.8U Expired - Fee Related CN215178249U (en) | 2021-06-01 | 2021-06-01 | Temperature measuring device for circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215178249U (en) |
-
2021
- 2021-06-01 CN CN202121215220.8U patent/CN215178249U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |