CN215578357U - Temperature controller with fusing temperature regulation function - Google Patents
Temperature controller with fusing temperature regulation function Download PDFInfo
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- CN215578357U CN215578357U CN202122293413.1U CN202122293413U CN215578357U CN 215578357 U CN215578357 U CN 215578357U CN 202122293413 U CN202122293413 U CN 202122293413U CN 215578357 U CN215578357 U CN 215578357U
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Abstract
A temperature controller with fusing temperature regulation comprises an insulating column, wherein a heat-conducting metal body, an upper wiring terminal, a fixed contact piece, a movable contact piece assembly and a lower wiring terminal connected with the movable contact piece assembly are sequentially arranged on the insulating column, one end of the movable contact piece assembly is movably and electrically connected with the fixed contact piece, an insulating rod is arranged between the other end of the movable contact piece assembly and the heat-conducting metal body, a movable contact elastic piece electrically connected with the upper wiring terminal is further arranged on the insulating column, the movable contact elastic piece is in contact with the fixed contact piece and is electrified, a disposable fusing body with elastic counterbalance is arranged between the movable contact elastic piece and the heat-conducting metal body, and after the disposable fusing body is heated and melted, the movable contact elastic piece is reset and is separated from the fixed contact piece and is electrified; this structure will fuse the protection device and integrate to the temperature controller on, can simplify connection structure, improve assembly efficiency.
Description
Technical Field
The utility model relates to the field of temperature controllers, in particular to a temperature controller with fusing temperature regulation function.
Background
On current electrical heating equipment, can install bimetallic strip temperature controller and fusing protection device on the heat-generating body usually, fusing protection device adopts the circuit series connection mode with the bimetallic strip temperature controller to be connected, when the heat-generating body temperature takes place unusually, bimetallic strip temperature controller and fusing protection device adopt the bimetallic strip to reset or fusing among the fusing protection device fuse and realize the cutoff current, play the effect of protection, but the electrical heating equipment of this structure is when the assembly, need independently assemble bimetallic strip temperature controller box fusing protection device, and need complicated wire to establish ties both, it is fixed even to need carry out soldering tin, cause bimetallic strip temperature controller and fusing protection device assembly efficiency to reduce, and can occupy the space of heat-generating body bottom.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the existing problems and provides a temperature controller with fusing temperature regulation, which is simple and reasonable in structure and mainly has the advantages that a fusing protection device is integrated on the temperature controller, the connecting structure can be simplified, and the assembling efficiency is improved.
The utility model provides a take temperature controller that fusing adjusted temperature, includes the insulated column, installs heat conduction metal body on the insulated column in proper order, goes up binding post, fixed contact piece, movable contact piece subassembly and the lower binding post of being connected with the movable contact piece subassembly, movable contact piece subassembly's one end and fixed contact piece swing electric connection, install the insulator spindle between the other end of movable contact piece subassembly and the heat conduction metal body, still install the movable contact shell fragment of being connected with last binding post electricity on the insulated column, movable contact shell fragment and fixed contact piece contact circular telegram, be provided with the disposable fuse-link that has elastic counterbalance between movable contact shell fragment and the heat conduction metal body, after disposable fuse-link is heated and melts, movable contact shell fragment resets and fixed contact piece separation outage.
The aim of the utility model can also be solved by the following technical measures:
the disposable fuse link comprises an insulating support rod and a fusing temperature sensing block, one end of the insulating support rod is in contact fit with the movable contact elastic sheet, the other end of the insulating support rod is connected with the fusing temperature sensing block, and the fusing temperature sensing block is in contact and abutted with the heat-conducting metal body.
The heat conducting metal body comprises a temperature sensing metal sheet and a heat conducting sheet connected with the heating body, the insulating rod is arranged between the temperature sensing metal sheet and the movable contact piece assembly, and the fusing temperature sensing block is abutted to the heat conducting sheet.
One end of the insulating support rod extends to form a connecting circular truncated cone, and the movable contact elastic piece is provided with a connecting through hole tightly matched with the connecting circular truncated cone.
The two ends of the fusing temperature sensing block extend to form positioning bulges respectively, and the heat conducting sheet and the insulating support rod are provided with a positioning through hole and a positioning blind hole which are matched with the positioning bulges respectively.
The movable contact spring piece is provided with a first movable contact which is elastically contacted with the first fixed contact, and one end of the movable contact spring piece is provided with a second movable contact which is elastically contacted with the second fixed contact.
The heat conducting sheet, the temperature sensing metal sheet and the heating body are perpendicular to each other, the fixed contact piece extends to form a fixed contact part corresponding to the movable contact elastic sheet, the first fixed contact is arranged at the extending tail end of the fixed contact part, the extending directions of the fixed contact part and the movable contact elastic sheet are consistent with the heat conducting sheet and lean against the heating body, and the disposable fuse link abuts against the movable contact elastic sheet between the first movable contact and the insulating column.
And the insulating column is also provided with a bottom plate, and the bottom plate is provided with an adjusting knob rod which is in contact fit with the movable contact piece assembly.
The fusing temperature sensing block is hard particles which are changed into powder, liquid or gas after the heating temperature reaches a set value.
The insulating rod and the insulating support rod are preferably made of ceramic materials.
The utility model has the following beneficial effects:
the temperature controller with the fusing and temperature adjusting function has the advantages that the structure is simple, the production is convenient and rapid, the fusing protection device is integrated on the temperature controller, the function of the fusing protection device can be realized simultaneously by installing a single temperature controller, the electric heating equipment is more compact, the occupied space is small, the operation of a connecting circuit can be simplified, the assembly efficiency is improved, after a one-time fusing body is fused, the one-time fusing body can be quickly maintained and replaced, the reaction of the one-time fusing body is more sensitive, the circuit is more accurately disconnected, and the safety is higher.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic cross-sectional view (normal state) of the present invention.
Fig. 3 is a schematic cross-sectional view (broken state) of the present invention.
Fig. 4 is a schematic cross-sectional structure of the present invention.
Detailed Description
The utility model is further illustrated with reference to the following figures and examples.
As shown in fig. 1 to 4, a temperature controller with fusing temperature adjustment comprises an insulating column 1, a heat conducting metal body, an upper connection terminal 4, a fixed contact piece 5, a movable contact piece assembly 6 and a lower connection terminal 7 connected with the movable contact piece assembly 6 are sequentially arranged on the insulating column 1, one end of the movable contact piece assembly 6 is movably and electrically connected with the fixed contact piece 5, an insulating rod 8 is arranged between the other end of the movable contact piece assembly 6 and the heat conducting metal body, a movable contact elastic piece 9 electrically connected with the upper connection terminal 4 is further arranged on the insulating column 1, the movable contact elastic piece 9 is in contact with the fixed contact piece 5 for power on, a disposable fusing body 10 with elastic contact is arranged between the movable contact elastic piece 9 and the heat conducting metal body, after the disposable fusing body 10 is heated and melted, the movable contact elastic piece 9 is reset and is separated from the fixed contact piece 5 for power off, the temperature controller is integrated with a fusing protection device on the temperature controller, and the function of the fusing protection device can be realized by arranging a single temperature controller, the electric heating equipment is more compact, the occupied space is small, the operation of connecting lines can be simplified, and the assembly efficiency is improved.
For further explanation, the disposable fuse link 10 comprises an insulating support rod 11 and a fusing temperature sensing block 12, one end of the insulating support rod 11 is in contact fit with the movable contact spring piece 9, the other end of the insulating support rod is connected with the fusing temperature sensing block 12, and the fusing temperature sensing block 12 is in contact and abutted with the heat-conducting metal body;
under the normal working state, the fusing temperature sensing block 12 is pressed against the insulating support rod 11 to apply pressure to the movable contact spring sheet 9, so that the contacts are ensured to be contacted with each other, and the normal electrification is kept.
To explain further, the heat conducting metal body comprises a temperature sensing metal sheet 2 and a heat conducting sheet 3 connected with the heating element a, the insulating rod 8 is arranged between the temperature sensing metal sheet 2 and the movable contact assembly 6, and the fusing temperature sensing block 12 is abutted against the heat conducting sheet 3
In the circuit-off state: when the temperature of the heating element A is too high and exceeds the required range, the heat of the heating element A is conducted to the heat conducting sheet 3 and then conducted to the fusing temperature sensing block 12, the fusing temperature sensing block 12 can be fused due to high temperature, so that the insulating support rod 11 is reset, and the contact is disconnected.
For further explanation, a connecting circular truncated cone 111 extends from one end of the insulating support rod 11, and a connecting through hole 901 tightly matched with the connecting circular truncated cone 111 is formed in the movable contact spring piece 9; the insulating support rod 11 can be ensured to be connected to the movable contact spring piece 9 in a normal state or a disconnected state, the connection mode is simple, and the assembly and disassembly operation is simple and convenient when maintenance and replacement are needed.
To explain further, two ends of the fusing temperature sensing block 12 extend to form positioning protrusions 121, and the heat conducting sheet 3 and the insulating support rod 11 are respectively provided with a positioning through hole 301 and a positioning blind hole 112 which are matched with the positioning protrusions 121; the structure can ensure that the positioning blind hole 112, the fusing temperature sensing block 12, the insulating support rod 11 and the positioning blind hole 112 are on the same axis after assembly, so that the four can keep a stable and static state, and the disposable fusing body 10 is prevented from falling and being damaged due to deflection of one end.
For further explanation, the fixed contact piece 5 is provided with a first fixed contact 13 and a second fixed contact 14, the movable contact spring piece 9 is provided with a first movable contact 15 which is elastically contacted with the first fixed contact 13, and one end of the movable contact piece assembly 6 is provided with a second movable contact 16 which is elastically contacted with the second fixed contact 14; the contact matching of the fixed contact and the moving contact can ensure the electric contact effect.
To explain further, the heat conducting strip 3, the temperature sensing metal strip 2 and the heating element a are arranged vertically to each other, so that the temperature sensing metal strip 2 and the heating element a are arranged in parallel to each other, the fixed contact strip 5 is extended with a fixed contact part 51 corresponding to the movable contact spring piece 9, the first fixed contact 13 is arranged at the extending end of the fixed contact part 51, the extending directions of the fixed contact part 51 and the movable contact spring piece 9 are consistent with the heat conducting strip 3 and lean against the heating element a, and the disposable fuse link 10 is pressed against the movable contact spring piece 9 between the first movable contact 15 and the insulating column 1; the disposable fuse-link 10 can be closer to the heating element A, so that the disposable fuse-link 10 is more sensitive in response and more accurate in circuit breaking.
For further explanation, the movable contact assembly 6 includes an upper movable contact 61 and a lower movable contact 62 elastically fastened to each other, a fixed end of the lower movable contact 62 and the lower wiring terminal 7 are fixedly connected to the insulating column 1, a movable end of the lower movable contact 62 is connected to one end of the upper movable contact 61, the other end of the upper movable contact 61 is provided with the second movable contact 16, and the second movable contact 16 is electrically connected to the second fixed contact 14;
a pressure regulating piece 63 extends from the fixed end of the lower movable contact piece 62, and an elastic spring 64 is arranged between the movable end of the pressure regulating piece 63 and the other end of the upper movable contact piece 61.
For further explanation, a bottom plate 17 is further installed on the insulating column 1, an adjusting knob rod 18 in contact fit with the movable contact assembly 6 is installed on the bottom plate 17, and the adjusting knob rod 18 is in contact fit with the elastic spring 64 and used for adjusting the circuit breaking temperature of the temperature controller.
For further explanation, the insulating column 1 includes a rivet 101, an insulating porcelain bushing 102 is sleeved outside the rivet 101, the heat-conducting metal body, the upper connection terminal 4, the fixed contact piece 5, the movable contact piece assembly 6 and the lower connection terminal 7 are all sleeved on the insulating porcelain bushing 102, a plurality of insulating ceramic rings 103 are sleeved outside the insulating porcelain bushing 102, and the heat-conducting metal body, the upper connection terminal 4, the movable contact spring piece 9, the fixed contact piece 5, the movable contact piece assembly 6, the lower connection terminal 7 and the bottom plate 17 are insulated and isolated from each other through the insulating ceramic rings 103 and the insulating porcelain bushing 102.
To explain further, the fusing temperature sensing block 12 is hard particles which become powder, liquid or gas after the heating temperature reaches a set value; the hard particles can be solid quartz sand particles or soldering tin blocks, and the hard particles can be changed into powder when the heating temperature reaches a certain degree; of course, the hard particles may be ordinary plastic particles, and after the heated temperature reaches a certain degree, the hard particles are partially melted to cause deformation.
For further explanation, the insulating rod 8 and the insulating support rod 11 are preferably made of ceramic materials; the ceramic material has the advantages of insulation, high temperature resistance and difficult deformation, and is suitable for the temperature controller.
The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the utility model are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides a take temperature controller that fusing adjusted temperature, includes the insulated column, installs the heat conduction metal body on the insulated column in proper order, goes up binding post, fixed contact piece, movable contact piece subassembly and the lower binding post of being connected with the movable contact piece subassembly, the one end and the fixed contact piece swing joint of movable contact piece subassembly install insulator spindle, its characterized in that between the other end of movable contact piece subassembly and the heat conduction metal body: the insulating column is further provided with a movable contact spring piece which is electrically connected with the upper wiring terminal, the movable contact spring piece is in contact with the fixed contact piece to be electrified, a disposable fuse link with elastic counterbalance is arranged between the movable contact spring piece and the heat conducting metal body, and the movable contact spring piece resets and is separated from the fixed contact piece to be powered off after the disposable fuse link is heated and melted.
2. The temperature controller with fusing temperature regulation function of claim 1, wherein: the disposable fuse link comprises an insulating support rod and a fusing temperature sensing block, one end of the insulating support rod is in contact fit with the movable contact elastic sheet, the other end of the insulating support rod is connected with the fusing temperature sensing block, and the fusing temperature sensing block is in contact and abutted with the heat-conducting metal body.
3. A thermostat with function of fusing and temperature regulation as claimed in claim 2, wherein: the heat conducting metal body comprises a temperature sensing metal sheet and a heat conducting sheet connected with the heating body, the insulating rod is arranged between the temperature sensing metal sheet and the movable contact piece assembly, and the fusing temperature sensing block is abutted to the heat conducting sheet.
4. A thermostat with function of fusing and temperature regulation as claimed in claim 2, wherein: one end of the insulating support rod extends to form a connecting circular truncated cone, and the movable contact elastic piece is provided with a connecting through hole tightly matched with the connecting circular truncated cone.
5. A thermostat with function of fusing and temperature regulation as claimed in claim 3, wherein: the two ends of the fusing temperature sensing block extend to form positioning bulges respectively, and the heat conducting sheet and the insulating support rod are provided with a positioning through hole and a positioning blind hole which are matched with the positioning bulges respectively.
6. A thermostat with function of fusing and temperature regulation as claimed in claim 3, wherein: the movable contact spring piece is provided with a first movable contact which is elastically contacted with the first fixed contact, and one end of the movable contact spring piece is provided with a second movable contact which is elastically contacted with the second fixed contact.
7. A temperature controller with fusing temperature regulation function according to claim 6, characterized in that: the heat conducting sheet, the temperature sensing metal sheet and the heating body are perpendicular to each other, the fixed contact piece extends to form a fixed contact part corresponding to the movable contact elastic sheet, the first fixed contact is arranged at the extending tail end of the fixed contact part, the extending directions of the fixed contact part and the movable contact elastic sheet are consistent with the heat conducting sheet and lean against the heating body, and the disposable fuse link abuts against the movable contact elastic sheet between the first movable contact and the insulating column.
8. The temperature controller with fusing temperature regulation function of claim 1, wherein: and the insulating column is also provided with a bottom plate, and the bottom plate is provided with an adjusting knob rod which is in contact fit with the movable contact piece assembly.
9. A thermostat with function of fusing and temperature regulation as claimed in claim 2, wherein: the fusing temperature sensing block is hard particles which are changed into powder, liquid or gas after the heating temperature reaches a set value.
10. The temperature controller with fusing temperature regulation function of claim 1, wherein: the insulating rod and the insulating support rod are preferably made of ceramic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122293413.1U CN215578357U (en) | 2021-09-22 | 2021-09-22 | Temperature controller with fusing temperature regulation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122293413.1U CN215578357U (en) | 2021-09-22 | 2021-09-22 | Temperature controller with fusing temperature regulation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215578357U true CN215578357U (en) | 2022-01-18 |
Family
ID=79851691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122293413.1U Active CN215578357U (en) | 2021-09-22 | 2021-09-22 | Temperature controller with fusing temperature regulation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215578357U (en) |
-
2021
- 2021-09-22 CN CN202122293413.1U patent/CN215578357U/en active Active
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