CN220171998U - Temperature protection structure of independent double-group heating element - Google Patents
Temperature protection structure of independent double-group heating element Download PDFInfo
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- CN220171998U CN220171998U CN202321655940.5U CN202321655940U CN220171998U CN 220171998 U CN220171998 U CN 220171998U CN 202321655940 U CN202321655940 U CN 202321655940U CN 220171998 U CN220171998 U CN 220171998U
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- heating element
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- protection structure
- heating
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 82
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 230000005856 abnormality Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 6
- 238000005485 electric heating Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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Abstract
The utility model discloses a temperature protection structure of an independent double-group heating body, which comprises a heating body support and a temperature protection circuit for controlling the power-off of the heating body, wherein more than two groups of heating modules are arranged on the heating body support, temperature controllers are connected in series in the temperature protection circuit, the number of the temperature controllers is less than that of the groups of the heating modules, at least one heat conducting sheet is arranged on a temperature sensing surface of the temperature controllers, and the heat conducting sheet is close to at least two groups of heating modules so as to detect the working condition of at least two groups of heating modules simultaneously. When the temperature protection structure of the independent double-group heating body solves abnormal overtemperature of the two groups of PTC, one temperature controller can detect abnormality of the two groups of PTC at the same time, so that the heating of breaking PTC is realized.
Description
Technical Field
The utility model relates to a heating device, in particular to a temperature protection structure of an independent double-group heating body.
Background
At present, a temperature protection circuit is generally arranged for the use of the electric heating device, and the temperature protection circuit timely performs power-off protection when the heating body is abnormally overtemperature so as to prevent the electric heating device from continuously heating. The common temperature protection circuit is generally to arrange a kick temperature controller, a fuse and the like on a power supply circuit of the electric heating device, wherein the kick temperature controller has higher price. When more than two groups of heating modules exist in the electric heating device, the snap-action temperature controller is required to be additionally arranged for each group of heating modules, so that the cost is increased, the layout of circuits is increased, and the installation procedure is complicated.
Disclosure of Invention
The utility model aims to provide a temperature protection structure of an independent double-group heating element, which has the advantages of simple and reasonable structure, low cost and convenient installation.
The purpose of the utility model is realized in the following way:
the utility model provides a temperature protection structure of independent two group's heat-generating bodies, includes heat-generating body support and is used for controlling the temperature protection circuit of heat-generating body outage, its characterized in that: the heating body support is provided with more than two groups of heating modules, the temperature protection circuit is connected with a temperature controller in series, the number of the temperature controllers is less than that of the heating modules, the temperature sensing surface of the temperature controller is provided with at least one heat conducting fin, and the heat conducting fin is close to the at least two groups of heating modules so as to detect the working condition of the at least two groups of heating modules simultaneously.
The aim of the utility model can be also solved by adopting the following technical measures:
as a more specific scheme, the heating modules are provided with two groups, and the heating modules are PTC heating bodies (7); the temperature controller is provided with one PTC heater and is positioned between the two groups of PTC heaters.
As a further scheme, the heat conducting fin is U-shaped, the bottom of the heat conducting fin is connected with the temperature sensing surface of the temperature controller, and two sides of the heat conducting fin are close to the side surface of the PTC heating element.
As a further scheme, the temperature controller is provided with two electrodes, the two electrodes are respectively connected with two wires, fuses are connected in series on the two wires, and the two fuses are respectively close to the side faces of the PTC heating element. If the PTC heating element abnormally heats, and when the heating point is close to the fuse, the fuse can be accelerated to fuse, and the heating effect of breaking the PTC can be achieved.
As a further scheme, the fuse and the temperature controller are respectively positioned at two ends of the PTC heating element.
As a further scheme, the heat-generating body support is equipped with two heat-generating body installing windows, and the one end that is equipped with the heat-insulating tank between two heat-generating body installing windows is equipped with the temperature controller mounting groove, and the temperature controller mounting groove corresponds the temperature sensing face of temperature controller is equipped with uncovered opening, is equipped with U-shaped draw-in groove on the uncovered opening, and the conducting strip sets up in U-shaped draw-in groove, and the lateral wall that U-shaped draw-in groove is close to the heat-generating body installing window is equipped with first opening.
As a further scheme, the heat-generating body installation window of corresponding both sides in the thermal-insulated inslot is equipped with the fuse draw-in groove, and the fuse draw-in groove is close to the lateral wall of heat-generating body installation window and is equipped with the second opening.
As a further scheme, the fuse is sleeved with a protective sleeve, and is clamped into the fuse clamping groove together with the protective sleeve.
As a further scheme, the temperature controller is a kick temperature controller.
As a further scheme, the heat conducting sheet is a copper sheet, an aluminum sheet or an iron sheet.
The beneficial effects of the utility model are as follows:
(1) When the temperature protection structure of the independent double-group heating body solves abnormal overtemperature of the two groups of PTC, one temperature controller can detect abnormality of the two groups of PTC at the same time, so that the heating of breaking PTC is realized.
(2) The temperature protection structure of the independent double-group heating element is respectively close to the side walls of the two groups of heating elements through the U-shaped heat conducting fin, when one or two groups of heating elements have abnormal local temperature rise, the U-shaped heat conducting fin can transfer the temperature to a temperature limiter (temperature controller) placed in the middle, so that the protection effect of the two groups of heating elements is achieved; the application of the structure ensures that the adopted number of the temperature limiters is reduced, thereby realizing optimization of materials and assembly cost.
Drawings
FIG. 1 is an exploded view of an embodiment of the present utility model.
FIG. 2 is a schematic diagram showing a rear view of a heat-generating body holder according to the present utility model.
Fig. 3 is a schematic view of the assembled structure of the present utility model.
Fig. 4 is a schematic rear view of the present utility model.
Detailed Description
The utility model is further described below with reference to the accompanying drawings and examples:
referring to fig. 1 to 4, a temperature protection structure of an independent double-group heating element comprises a heating element support 1 and a temperature protection circuit for controlling the power-off of the heating element, wherein two groups of heating modules are arranged on the heating element support 1, a temperature controller 2 (temperature limiter) is connected in series in the temperature protection circuit, a heat conducting fin 3 is arranged on a temperature sensing surface of the temperature controller 2, and the heat conducting fin 3 is close to the two groups of heating modules so as to detect the working conditions of the two groups of heating modules simultaneously.
The heating module is a PTC heating element 7; the temperature controller 2 is positioned between the two groups of PTC heating elements 7.
The heat conducting fin 3 is U-shaped, the bottom of the heat conducting fin is connected with the temperature sensing surface of the temperature controller 2, and two sides of the heat conducting fin 3 are close to the side face of the PTC heating element 7.
The temperature controller 2 is provided with two electrodes 21, the two electrodes 21 are respectively connected with two wires 4, fuses 5 are connected in series on the two wires 4, and the two fuses 5 are respectively close to the side faces of the PTC heating element 7.
The fuse 5 and the temperature controller 2 are respectively positioned at two ends of the PTC heating element 7.
The heating body support 1 is provided with two heating body mounting windows 14, one end provided with a heat insulation groove 15 between the two heating body mounting windows 14 is provided with a temperature controller mounting groove 11, the temperature controller mounting groove 11 corresponds to the temperature sensing surface of the temperature controller 2 is provided with an open mouth, the open mouth is provided with a U-shaped clamping groove 12, the heat conducting fin 3 is arranged in the U-shaped clamping groove 12, and the side wall of the U-shaped clamping groove 12, which is close to the heating body mounting window 14, is provided with a first opening 13.
The heat-generating body installation window 14 of the corresponding both sides in the thermal insulation groove 15 is equipped with a fuse draw-in groove 16, and the lateral wall that the fuse draw-in groove 16 is close to the heat-generating body installation window 14 is equipped with second opening 17.
The fuse 5 is sleeved with a protective sleeve 6 and is clamped into the fuse clamping groove 16 together with the protective sleeve 6.
The temperature controller 2 is a kick temperature controller.
The heat conducting sheet 3 is a copper sheet, an aluminum sheet or an iron sheet.
The working principle is as follows: the temperature of the two groups of PTC heating elements 7 during operation is transmitted to the temperature controller 2 through the heat conducting fin 3, when one or two groups of heating elements have abnormal local temperature rise, the heat conducting fin 3 can transmit the temperature to the temperature controller 2 placed in the middle, and the temperature controller 2 is internally heated and disconnected in an overrun manner, namely, the power supply of the two groups of PTC heating elements 7 is disconnected, so that the protection effect of the two groups of heating elements is achieved simultaneously.
The foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the utility model, and that various changes and modifications may be effected therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a temperature protection structure of independent two group's heat-generating bodies, includes heat-generating body support (1) and is used for controlling the temperature protection circuit of heat-generating body outage, its characterized in that: the heating body support (1) is provided with more than two groups of heating modules, the temperature protection circuit is connected with the temperature controllers (2) in series, the number of the temperature controllers (2) is less than the number of the heating modules, the temperature sensing surface of each temperature controller (2) is provided with at least one heat conducting fin (3), and the heat conducting fin (3) is close to at least two groups of heating modules so as to simultaneously detect the working conditions of at least two groups of heating modules.
2. The temperature protection structure of an independent double-set heating element according to claim 1, characterized in that: the heating modules are provided with two groups, and the heating modules are PTC heating bodies (7); the temperature controller (2) is provided with one PTC heater and is positioned between the two groups of PTC heaters (7).
3. The temperature protection structure of an independent double-set heating element according to claim 2, characterized in that: the heat conducting fin (3) is U-shaped, the bottom of the heat conducting fin is connected with the temperature sensing surface of the temperature controller (2), and two sides of the heat conducting fin (3) are close to the side surface of the PTC heating element (7).
4. The temperature protection structure of an independent double-set heating element according to claim 2, characterized in that: the temperature controller (2) is provided with two electrodes (21), the two electrodes (21) are respectively connected with two wires (4), fuses (5) are connected in series on the two wires (4), and the two fuses (5) are respectively close to the side faces of the PTC heating element (7).
5. A temperature protection structure of an independent double-group heating element according to claim 4, wherein: the fuse (5) and the temperature controller (2) are respectively positioned at two ends of the PTC heating element (7).
6. A temperature protection structure of an independent double-group heating element according to claim 5, wherein: the heat-generating body support (1) is equipped with two heat-generating body mounting window (14), and the one end that is equipped with heat-insulating tank (15) between two heat-generating body mounting window (14) is equipped with temperature controller mounting groove (11), and temperature controller mounting groove (11) correspond the temperature sensing face of temperature controller (2) is equipped with uncovered opening, is equipped with U-shaped draw-in groove (12) on the uncovered opening, and conducting strip (3) set up in U-shaped draw-in groove (12), and the lateral wall that U-shaped draw-in groove (12) are close to heat-generating body mounting window (14) is equipped with first opening (13).
7. A temperature protection structure of an independent double-group heating element according to claim 6, wherein: the heat insulation groove (15) is internally provided with a fuse clamping groove (16) corresponding to the heating element mounting windows (14) on two sides, and the side wall of the fuse clamping groove (16) close to the heating element mounting windows (14) is provided with a second opening (17).
8. A temperature protection structure of an independent double-group heating element according to claim 7, wherein: the fuse (5) is sleeved with a protective sleeve (6) and is clamped into the fuse clamping groove (16) together with the protective sleeve (6).
9. The temperature protection structure of an independent double-set heating element according to claim 1, characterized in that: the temperature controller (2) is a kick temperature controller.
10. The temperature protection structure of an independent double-set heating element according to claim 1, characterized in that: the heat conducting sheet (3) is a copper sheet, an aluminum sheet or an iron sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321655940.5U CN220171998U (en) | 2023-06-27 | 2023-06-27 | Temperature protection structure of independent double-group heating element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321655940.5U CN220171998U (en) | 2023-06-27 | 2023-06-27 | Temperature protection structure of independent double-group heating element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220171998U true CN220171998U (en) | 2023-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321655940.5U Active CN220171998U (en) | 2023-06-27 | 2023-06-27 | Temperature protection structure of independent double-group heating element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220171998U (en) |
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2023
- 2023-06-27 CN CN202321655940.5U patent/CN220171998U/en active Active
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