CN219998111U - Fixed thermal protector - Google Patents
Fixed thermal protector Download PDFInfo
- Publication number
- CN219998111U CN219998111U CN202321716529.4U CN202321716529U CN219998111U CN 219998111 U CN219998111 U CN 219998111U CN 202321716529 U CN202321716529 U CN 202321716529U CN 219998111 U CN219998111 U CN 219998111U
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- Prior art keywords
- protector
- shell
- connecting piece
- contact
- heat dissipation
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- 230000001012 protector Effects 0.000 title claims abstract description 74
- 230000017525 heat dissipation Effects 0.000 claims abstract description 29
- 230000005855 radiation Effects 0.000 claims description 8
- 238000001816 cooling Methods 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 206010000369 Accident Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Thermally Actuated Switches (AREA)
Abstract
A fixed thermal protector belongs to the technical field of thermal protectors and comprises a protector shell, a heat dissipation fan, a first connecting piece, a first contact, a chute, a second connecting piece, a second contact and a cutting mechanism; the first connecting piece is fixedly arranged in the lower end of the protector shell, the first contact is fixedly arranged on the top wall of the inner end of the first connecting piece, the second connecting piece is arranged above the first connecting piece and penetrates through the sliding groove, and the bottom wall of one end of the second connecting piece is provided with the second contact; the cutting mechanism comprises a supporting plate, a guide rod, a push rod, a spring, an opening and closing magnet and an electromagnet, wherein the supporting plate is connected in the outer shell of the protector and is arranged above the second connecting sheet, the guide rod is fixedly arranged below one end of the supporting plate and penetrates through the second connecting sheet, the lower end of the push rod is fixedly connected with the second connecting sheet, the spring is sleeved on the outer side of the push rod, and the electromagnet is arranged above the opening and closing magnet. The utility model improves the circuit cutting speed, accelerates the equipment cooling through the heat dissipation fan, and prevents the equipment from being overheated and damaged.
Description
Technical Field
The utility model belongs to the technical field of thermal protectors, and particularly relates to a fixed thermal protector.
Background
In most circuits, a thermal protector is installed, and the thermal protector mainly has the function of breaking the circuit when dangerous conditions such as over-temperature rise and over-current occur in the circuit, so that the protection function of the circuit is realized.
The patent with publication number CN214542028U discloses a bimetallic thermal protector, when the temperature is too high, the bimetallic is deformed and bent by heating, the movable contact is contacted with the fixed contact, the buzzer and the linear motor are connected, buzzing and vibration are sent out, and the bimetallic thermal protector can be used for reminding that the temperature is too high, so that people can conveniently find the bimetallic thermal protector; the telescopic mounting frame can be used for carrying out telescopic adjustment, so that the length of the telescopic mounting frame can be conveniently adjusted at a position unsuitable for mounting, the bottom plate is fixed, the cooling fan is used for cooling the shell, and the service life of the device is shortened due to overhigh temperature.
However, the thermal protector uses the bimetallic strip as overload protection, and because the bimetallic strip is possibly adhered together after being attached to the lower touch plate for a long time, the thermal protector is relatively slow in deformation or small in deformation when the battery is in an overheat state, cannot effectively cut off a circuit and even causes fire accidents caused by burning equipment, and the service life of the traditional thermal protector is easily reduced due to overhigh temperature during working, and is not easy to be found or observed by people. Therefore, a new type of stationary thermal protector is urgently needed to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a fixed thermal protector which has high contact breaking speed, improves the circuit breaking speed, accelerates the cooling of equipment through a heat dissipation fan, prevents the equipment from being overheated and damaged and enhances the safety of the thermal protector.
The purpose of the utility model is realized in the following way: a fixed thermal protector comprises a protector shell, a heat dissipation fan, a first connecting sheet, a first contact, a chute, a second connecting sheet, a second contact and a cutting mechanism; the heat dissipation shell is arranged above the protector shell, and the heat dissipation fan is arranged in the heat dissipation shell; the first connecting piece is fixedly arranged in the lower end of the protector shell, one end of the first connecting piece penetrates through the protector shell, the first contact is fixedly arranged on the top wall of one end of the first connecting piece and is arranged in the protector shell, the chute is arranged on the side wall of one end of the protector shell far away from the first connecting piece, the second connecting piece is arranged above the first connecting piece and penetrates through the chute, the bottom wall of one end of the second connecting piece is provided with a second contact, and the second contact is arranged above the first contact; the cutting mechanism is arranged in the protector shell and on one side of the second connecting sheet, the cutting mechanism comprises a supporting plate, a guide rod, a push rod, a spring, an opening and closing magnet and an electromagnet, the supporting plate is connected in the protector shell and above the second connecting sheet, the guide rod is fixedly arranged below one end of the supporting plate and penetrates through the second connecting sheet, the push rod is arranged on one side of the guide rod, the push rod penetrates through the supporting plate, the lower end of the push rod is fixedly connected with the second connecting sheet, the spring is sleeved on the outer side of the push rod, the two ends of the spring are respectively fixedly connected with the supporting plate and the second connecting sheet, and the electromagnet is connected in the protector shell and above the opening and closing magnet.
Further, switch protrusion is arranged on the top wall of one end of the second connecting sheet, the switch protrusion is arranged above the second contact, a fixing plate is fixedly arranged in the outer shell of the protector, the fixing plate is arranged above the second connecting sheet, a heat radiation switch is arranged on the bottom wall of the fixing plate, and the heat radiation switch is arranged above the switch protrusion.
Further, a temperature sensor is arranged in the protector shell.
Further, a protection net is arranged at the upper end of the heat dissipation shell, and the protection net is arranged on one side of the heat dissipation fan.
Further, the heat radiation switch is electrically connected with the heat radiation fan.
Further, a control chip is arranged in the protector shell and is electrically connected with the temperature sensor and the electromagnet respectively.
The beneficial effects of the utility model are as follows: the fixed thermal protector that this scheme provided, when the temperature risees in the protector shell, the electro-magnet starts, and electro-magnet actuation magnet that opens and shuts, open and shut magnet drive push rod rise, make the push rod drive second connection piece extrusion spring and rise to disconnection second contact and first contact, contact disconnection is fast, improves the circuit speed of cutting off, and the radiator fan starts simultaneously, cools down equipment, prevents equipment overheat damage, reinforcing thermal protector's security.
Drawings
FIG. 1 is a perspective view of a stationary thermal protector according to the present disclosure;
FIG. 2 is a top view of the stationary thermal protector according to the present embodiment;
fig. 3 is a schematic front view of a fixed thermal protector according to the present embodiment.
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings: 1. the protector comprises a protector shell, 2, a heat dissipation shell, 3, a heat dissipation fan, 4, a first connecting piece, 5, a first contact, 6, a chute, 7, a second connecting piece, 8, a second contact, 9, a cutting mechanism, 10, a supporting plate, 11, a guide rod, 12, a push rod, 13, a spring, 14, an opening and closing magnet, 15, an electromagnet, 16, a switch protrusion, 17, a fixing plate, 18, a heat dissipation switch, 19, a temperature sensor, 20, a protection net, 21 and a control chip.
Detailed Description
As shown in fig. 1 to 3, the fixed thermal protector provided by the scheme comprises a protector shell 1, a heat dissipation shell 2, a heat dissipation fan 3, a first connecting sheet 4, a first contact 5, a chute 6, a second connecting sheet 7, a second contact 8 and a cutting mechanism 9.
The radiator housing 2 is connected in the top of protector shell 1, and radiator fan 3 locates in radiator housing 2, and in the protector shell 1 lower extreme was set firmly to first connecting piece 4, first connecting piece 4 one end link up protector shell 1, and first contact 5 sets firmly in first connecting piece 4 one end roof and locates in the protector shell 1. The spout 6 is located the one end lateral wall that the protector shell 1 kept away from first connecting piece 4, and second connection piece 7 is located first connecting piece 4 top and is run through spout 6, and second connection piece 7 one end diapire is equipped with second contact 8, and first contact 5 top is located to second contact 8.
The cutting mechanism 9 is arranged in the protector shell 1 and on one side of the second connecting sheet 7, the cutting mechanism 9 comprises a supporting plate 10, a guide rod 11, a push rod 12, a spring 13, an opening and closing magnet 14 and an electromagnet 15, the supporting plate 10 is connected in the protector shell 1 and arranged above the second connecting sheet 7, the guide rod 11 is fixedly arranged below one end of the supporting plate 10 and penetrates through the second connecting sheet 7, the push rod 12 is arranged on one side of the guide rod 11, the push rod 12 penetrates through the supporting plate 10, and the lower end of the push rod 12 is fixedly connected with the second connecting sheet 7. The spring 13 is sleeved on the push rod 12, two ends of the spring 13 are fixedly connected with the support plate 10 and the second connecting sheet 7 respectively, and the electromagnet 15 is arranged above the opening and closing magnet 14.
As shown in fig. 3, a switch protrusion 16 is disposed on a top wall of one end of the second connecting piece 7, the switch protrusion 16 is disposed above the second contact 8, a fixing plate 17 is fixedly disposed in the protector housing 1, the fixing plate 17 is disposed above the second connecting piece 7, a heat dissipation switch 18 is disposed on a bottom wall of the fixing plate 17, the heat dissipation switch 18 is disposed above the switch protrusion 16, and a temperature sensor 19 is disposed in the protector housing 1.
As shown in fig. 2, a protection net 20 is provided at the upper end of the heat dissipation housing 2, and the protection net 20 is provided at one side of the heat dissipation fan 3.
The heat dissipation switch 18 is electrically connected with the heat dissipation fan 3, a control chip 21 is arranged in the protector shell 1, and the control chip 21 is electrically connected with the temperature sensor 19 and the electromagnet 15 respectively.
When the temperature sensor 19 detects that the temperature in the protector shell 1 becomes high, the controller controls the electromagnet 15 to start, the electromagnet 15 attracts the opening and closing magnet 14, the opening and closing magnet 14 drives the push rod 12 to rise, the push rod 12 drives the second connecting piece 7 to squeeze the spring 13 and rise, and accordingly the connection between the second contact 8 and the first contact 5 is disconnected, the contact disconnection speed is high, the circuit disconnection speed is improved, at the moment, the switch bulge 16 above one end of the second connecting piece 7 presses the heat dissipation switch 18 on the bottom wall of the fixed plate 17, the heat dissipation fan 3 is started, equipment is cooled through the heat dissipation fan 3, equipment overheat damage is prevented, safety of the thermal protector is enhanced, after temperature in the protector shell 1 is restored, the electromagnet 15 loses electricity, at the moment, the electromagnet 15 releases the opening and closing magnet 14, the second connecting piece 7 is pushed by the extrusion spring 13 to rapidly fall and reset, and connection between the second contact 8 below the second connecting piece 7 and the first contact 5 is restored.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A stationary thermal protector, characterized by: the device comprises a protector shell, a heat dissipation fan, a first connecting sheet, a first contact, a chute, a second connecting sheet, a second contact and a cutting mechanism; the heat dissipation shell is arranged above the protector shell, and the heat dissipation fan is arranged in the heat dissipation shell; the first connecting piece is fixedly arranged in the lower end of the protector shell, one end of the first connecting piece penetrates through the protector shell, the first contact is fixedly arranged on the top wall of one end of the first connecting piece and is arranged in the protector shell, the chute is arranged on the side wall of one end of the protector shell far away from the first connecting piece, the second connecting piece is arranged above the first connecting piece and penetrates through the chute, the bottom wall of one end of the second connecting piece is provided with a second contact, and the second contact is arranged above the first contact; the cutting mechanism is arranged in the protector shell and on one side of the second connecting sheet, the cutting mechanism comprises a supporting plate, a guide rod, a push rod, a spring, an opening and closing magnet and an electromagnet, the supporting plate is connected in the protector shell and above the second connecting sheet, the guide rod is fixedly arranged below one end of the supporting plate and penetrates through the second connecting sheet, the push rod is arranged on one side of the guide rod, the push rod penetrates through the supporting plate, the lower end of the push rod is fixedly connected with the second connecting sheet, the spring is sleeved on the outer side of the push rod, the two ends of the spring are respectively fixedly connected with the supporting plate and the second connecting sheet, and the electromagnet is connected in the protector shell and above the opening and closing magnet.
2. The stationary thermal protector as set forth in claim 1, wherein: the switch is characterized in that a switch bulge is arranged on the top wall of one end of the second connecting sheet, the switch bulge is arranged above the second contact, a fixing plate is fixedly arranged in the outer shell of the protector, the fixing plate is arranged above the second connecting sheet, a heat radiation switch is arranged on the bottom wall of the fixing plate, and the heat radiation switch is arranged above the switch bulge.
3. The stationary thermal protector as set forth in claim 1, wherein: and a temperature sensor is arranged in the protector shell.
4. The stationary thermal protector as set forth in claim 1, wherein: the upper end of the heat dissipation shell is provided with a protection net, and the protection net is arranged on one side of the heat dissipation fan.
5. The stationary thermal protector as set forth in claim 2, wherein: the heat radiation switch is electrically connected with the heat radiation fan.
6. A stationary thermal protector according to claim 3 wherein: and a control chip is arranged in the outer shell of the protector and is respectively and electrically connected with the temperature sensor and the electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321716529.4U CN219998111U (en) | 2023-07-03 | 2023-07-03 | Fixed thermal protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321716529.4U CN219998111U (en) | 2023-07-03 | 2023-07-03 | Fixed thermal protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219998111U true CN219998111U (en) | 2023-11-10 |
Family
ID=88610552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321716529.4U Active CN219998111U (en) | 2023-07-03 | 2023-07-03 | Fixed thermal protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219998111U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115483737A (en) * | 2022-09-21 | 2022-12-16 | 广东力德诺电子科技有限公司 | Low standby power consumption charger |
-
2023
- 2023-07-03 CN CN202321716529.4U patent/CN219998111U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115483737A (en) * | 2022-09-21 | 2022-12-16 | 广东力德诺电子科技有限公司 | Low standby power consumption charger |
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