CN219843742U - Temperature control assembly with waterproof function for PTC heating core - Google Patents
Temperature control assembly with waterproof function for PTC heating core Download PDFInfo
- Publication number
- CN219843742U CN219843742U CN202321359623.9U CN202321359623U CN219843742U CN 219843742 U CN219843742 U CN 219843742U CN 202321359623 U CN202321359623 U CN 202321359623U CN 219843742 U CN219843742 U CN 219843742U
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- CN
- China
- Prior art keywords
- housing
- silica gel
- gel pad
- fuse
- ptc heating
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Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 35
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000000741 silica gel Substances 0.000 claims abstract description 42
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 42
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 239000000565 sealant Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
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- Resistance Heating (AREA)
Abstract
A temperature control assembly with a waterproof function for a PTC heating core body comprises a silica gel pad, wherein a housing is arranged on the upper side of the silica gel pad, and the bottom edge of the housing is downwards raised along the outer diameter to form a step; a fuse and a temperature controller are arranged on the silica gel pad, and a connecting port is arranged on the side wall of the housing; a fastening connecting piece is arranged in the housing, a mounting hole is formed in the fastening connecting piece along the vertical direction, the mounting hole penetrates through the housing to the silica gel pad, and a mounting screw is arranged on the mounting hole; also comprises a height adjusting mechanism. The beneficial effects of the utility model are as follows: has better heat-conducting property and sealing effect.
Description
Technical Field
The utility model relates to the field of physics, in particular to a heating device, and specifically relates to a temperature control component with a waterproof function for a PTC heating core body.
Background
PTC heaters are widely used in various items requiring heating because of their constant temperature self-adjustment and resistance to dry heating. In the prior art, the temperature control assembly is used by connecting a temperature controller and a fuse in series, the temperature controller is provided with an open type temperature controller and a closed type temperature controller, the closed type temperature controller is provided with a packaging structure and can be waterproof, the fuse is generally waterproof, and the serial connection interface of the temperature controller and the fuse is not provided with a waterproof structure. At present, the shell is used for covering the two parts, and the mica sheet or the plastic sheet is used for isolating the bottom surface, but the whole sealing effect is not good because the mica sheet or the plastic sheet has no elasticity.
Disclosure of Invention
The utility model aims to provide a temperature control component with a waterproof function for a PTC heating core, which aims to solve the technical problem that the temperature control component with the waterproof function for the PTC heating core is poor in sealing effect in the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions:
the temperature control assembly with the waterproof function for the PTC heating core body comprises a silica gel pad, wherein the upper side of the silica gel pad is provided with a housing which is hollow and is opened downwards, the bottom edge of the housing is downwards raised along the outer diameter to form a step, and the outer edge of the silica gel pad is arranged on the inner side of the step; the silica gel pad is provided with a fuse and a temperature controller, the fuse and the temperature controller are arranged in the housing, the fuse and the temperature controller are connected in series through a section of first wire, a section of second wire is respectively arranged on the fuse and the temperature controller, a connecting port is arranged on the side wall of the housing, the two sections of second wires extend to the outer side of the housing through the connecting port, and a sealing structure is arranged between the second wire and the connecting port; the silica gel pad is characterized in that a fastening connecting piece is arranged in the housing, the upper side of the fastening connecting piece is connected with the upper side wall of the housing, the lower side of the fastening connecting piece is attached to the upper surface of the silica gel pad, a mounting hole is formed in the fastening connecting piece along the vertical direction, the mounting hole penetrates through the housing to the silica gel pad, a mounting screw is arranged in the mounting hole, and the front end of the mounting screw penetrates through the silica gel pad and is fixed through threads.
Further, the device also comprises a height adjusting mechanism, wherein the height adjusting mechanism comprises a lower pressing block or a lower groove, the lower pressing block is arranged on the upper side wall in the housing, and the lower groove is arranged on the upper surface of the silica gel pad.
Further, the sealing structure is a sealant.
Further, the mounting screw is a countersunk head screw, a counter bore is formed in the upper surface of the housing, and the counter bore is matched with the mounting hole.
Working principle:
install this device on a heat dissipation face of PTC heating core, realize heat conductivility through the silica gel pad, form sealedly through step and silica gel pad between housing and the silica gel pad, the connector passes through the sealant and realizes sealedly, fastening connection spare bottom surface and the laminating of silica gel pad surface realize sealedly, realize the waterproof effect between temperature control subassembly and the PTC heating core through above-mentioned three seal structure.
Compared with the prior art, the utility model has the beneficial effects that: has better heat-conducting property and sealing effect.
Drawings
Fig. 1 is an exploded view of a temperature control assembly with waterproof function for a PTC heating core according to the present utility model.
Fig. 2 is a schematic diagram of a casing structure of a temperature control assembly with waterproof function for a PTC heating core according to the present utility model.
Fig. 3 is a schematic structural diagram of a silica gel pad of a temperature control assembly with waterproof function for a PTC heating core according to the present utility model.
Fig. 4 is a schematic view showing a combination state of a temperature control assembly with a waterproof function for a PTC heating core according to the present utility model.
Fig. 5 is a schematic top view of a temperature control assembly with waterproof function for PTC heating core according to the present utility model.
Fig. 6 is a schematic cross-sectional view A-A of fig. 5.
Detailed Description
Example 1
Referring to fig. 1, 2, 3, 4, 5 and 6, the present utility model provides a technical solution:
the temperature control assembly with the waterproof function for the PTC heating core comprises a silica gel pad 1, wherein a housing 2 is arranged on the upper side of the silica gel pad 1, the housing 2 is hollow and is opened downwards, the bottom edge of the housing 2 is downwards raised along the outer diameter to form a step, and the outer edge of the silica gel pad 1 is arranged on the inner side of the step; the silica gel pad 1 is provided with a fuse 3 and a temperature controller 4, the fuse 3 and the temperature controller 4 are arranged in the housing 2, the fuse 3 and the temperature controller 4 are connected in series through a section of first lead 5, the fuse 3 and the temperature controller 4 are respectively provided with a section of second lead 6, the side wall of the housing 2 is provided with a connecting port 7, the two sections of second leads 6 extend to the outer side of the housing 2 through the connecting port 7, and a sealing structure 8 is arranged between the second lead 6 and the connecting port 7; a fastening connecting piece 9 is arranged in the housing 2, the upper side of the fastening connecting piece 9 is connected with the upper side wall of the housing 2, the lower side of the fastening connecting piece 9 is attached to the upper surface of the silica gel pad 1, a mounting hole is formed in the fastening connecting piece 9 along the vertical direction, the mounting hole penetrates through the housing 2 to the silica gel pad 1, a mounting screw 12 is arranged in the mounting hole, and the front end of the mounting screw 12 penetrates through the silica gel pad 1 and is fixed through threads.
Further, the utility model also comprises a height adjusting mechanism, wherein the height adjusting mechanism comprises a lower pressing block 10 or a lower groove 11, the lower pressing block 10 is arranged on the upper side wall in the housing 2, and the lower groove 11 is arranged on the upper surface of the silica gel pad 1.
Further, the sealing structure 8 is a sealant.
Further, the mounting screw 12 is a countersunk screw, and a counter bore is formed in the upper surface of the housing 2 and is matched with the mounting hole.
Specifically, the silica gel pad 1 has the characteristics of high temperature resistance and insulation, and is used for transmitting the temperature of the PTC heating core body to the fuse 3 and the temperature controller 4, so that the fuse 3 and the temperature controller 4 can be disconnected in time when the temperature of the PTC heating core body is too high.
Specifically, fuse 3 and temperature controller 4 are the product commonly used for the control by temperature change subassembly, and fuse 3 takes place to fuse when the temperature is too high, can't resume the use, and temperature controller 4 takes place to fuse when the temperature is too high, can continue to use after the temperature reduces, and fuse 3's fusing temperature setting is higher than temperature controller 4.
The working process comprises the following steps:
a mounting hole is formed in one radiating surface of the PTC heating core body, a mounting screw 12 penetrates through the silica gel pad 1 to mount the device on the radiating surface, one of two leads of the PTC heating core body is connected with a PTC circuit, the other lead is connected with one second lead 6, and the other second lead 6 is connected with the PTC circuit.
When the PTC heating core works, the temperature of the PTC heating core is transmitted to the fuse 3 and the temperature controller 4 through the silica gel pad 1 on the radiating surface, when the temperature is too high and reaches the fusing temperature of the temperature controller 4, the temperature controller 4 is fused first, so that the PTC circuit is interrupted, the PTC heating core stops heating, after the temperature is reduced, the temperature controller 4 recovers the efficacy, and the PTC heating core can be started again at the moment; when the temperature is too high, if the temperature controller 4 is damaged and cannot be fused, the temperature of the PTC heating core body can be continuously increased to reach the fusing temperature of the fuse 3, the fuse 3 is fused at the moment, the PTC circuit is interrupted, the PTC heating core body stops heating, after the temperature is reduced, the fuse 3 cannot be recovered, and the fuse 3 and the temperature controller 4 can be replaced to be continuously used.
The device is provided with three sealing structures, and the connection port 7 is sealed by coating sealant around the second lead 6; when the mounting screw 12 is screwed down, the step at the bottom of the housing 1 is tightly attached to the edge of the silica gel pad, so that the tightness between the periphery of the housing 1 and the PTC heating core body is ensured; simultaneously, the bottom surface of the fastening connecting piece 9 is tightly attached to the surface of the silica gel pad 1, and the tightness between the inside and the outside of the housing 1 is improved.
The product specifications of the fuse 3 and the temperature controller 4 are different from each other, the lower pressing block 10 and the lower groove 11 are used for attaching the fuse 3 and the temperature controller 4 to the silica gel pad 1, so that the temperature of the PTC heating core body can be accurately transferred to the fuse 3 and the temperature controller 4, the lower pressing block 10 is arranged above equipment with smaller height, the lower groove 11 is used for installing equipment with higher height, and finally both the lower pressing block and the temperature controller can be attached to the silica gel pad 1.
Claims (4)
1. A control by temperature change subassembly that is used for PTC to heat core has waterproof function, includes a silica gel pad (1), its characterized in that: the upper side of the silica gel pad (1) is provided with a housing (2), the housing (2) is hollow and is opened downwards, the bottom edge of the housing (2) is downwards protruded along the outer diameter to form a step, and the outer edge of the silica gel pad (1) is arranged at the inner side of the step; the silica gel pad (1) on be provided with a fuse (3) and a temperature controller (4), fuse (3) with temperature controller (4) set up in housing (2), fuse (3) with temperature controller (4) pass through one section first wire (5) and establish ties, fuse (3) with temperature controller (4) on be provided with one section second wire (6) respectively, the lateral wall of housing (2) on be provided with one connector (7), two sections second wire (6) pass through connector (7) extend to the outside of housing (2), second wire (6) with connector (7) between be provided with seal structure (8); the novel silica gel pad is characterized in that a fastening connecting piece (9) is arranged in the housing (2), the upper side of the fastening connecting piece (9) is connected with the upper side wall of the housing (2), the lower side of the fastening connecting piece (9) is attached to the upper surface of the silica gel pad (1), a mounting hole is formed in the fastening connecting piece (9) in the vertical direction, the mounting hole penetrates through the housing (2) to the silica gel pad (1), a mounting screw (12) is arranged in the mounting hole, and the front end of the mounting screw (12) penetrates through the silica gel pad (1) and is fixed through threads.
2. A temperature control assembly with waterproof function for PTC heating core according to claim 1, wherein: the device also comprises a height adjusting mechanism, wherein the height adjusting mechanism comprises a lower pressing block (10) or a lower groove (11), the lower pressing block (10) is arranged on the upper side wall in the housing (2), and the lower groove (11) is arranged on the upper surface of the silica gel pad (1).
3. A temperature control assembly with waterproof function for PTC heating core according to claim 1, wherein: the sealing structure (8) is a sealant.
4. A temperature control assembly with waterproof function for PTC heating core according to claim 1, wherein: the mounting screw (12) is a countersunk head screw, a counter bore is formed in the upper surface of the housing (2), and the counter bore is matched with the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321359623.9U CN219843742U (en) | 2023-05-31 | 2023-05-31 | Temperature control assembly with waterproof function for PTC heating core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321359623.9U CN219843742U (en) | 2023-05-31 | 2023-05-31 | Temperature control assembly with waterproof function for PTC heating core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219843742U true CN219843742U (en) | 2023-10-17 |
Family
ID=88299432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321359623.9U Active CN219843742U (en) | 2023-05-31 | 2023-05-31 | Temperature control assembly with waterproof function for PTC heating core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219843742U (en) |
-
2023
- 2023-05-31 CN CN202321359623.9U patent/CN219843742U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |