CN216213129U - Temperature controller with accurate temperature control - Google Patents
Temperature controller with accurate temperature control Download PDFInfo
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- CN216213129U CN216213129U CN202122328630.XU CN202122328630U CN216213129U CN 216213129 U CN216213129 U CN 216213129U CN 202122328630 U CN202122328630 U CN 202122328630U CN 216213129 U CN216213129 U CN 216213129U
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Abstract
The utility model discloses a temperature controller with accurate temperature control, which comprises a fixed plate, a switch assembly and a temperature sensing part, wherein the switch assembly and the temperature sensing part are both arranged on the fixed plate; the temperature compensation heating wire is used for heating. According to the temperature controller with the accurate temperature control, the temperature compensation heating wire can be wound on the insulating sheet, so that the assembly length of the temperature compensation heating wire is prolonged, and the temperature sensing is more sensitive.
Description
Technical Field
The utility model relates to the technical field of temperature controllers, in particular to a temperature controller capable of accurately controlling temperature.
Background
At present, a temperature controller refers to an automatic control element, also called a temperature controlled switch, which physically deforms inside a switch according to a temperature change of a working environment, thereby generating an on or off action. The method is mainly used for high-temperature control of various heaters and other devices. The existing temperature controller mainly has a small integral volume, so that the length of a temperature compensation heating wire is limited, and the temperature sensing is not sensitive enough.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide the temperature controller with accurate temperature control, the temperature compensation heating wire can be wound on the insulating sheet, the assembly length of the temperature compensation heating wire is prolonged, and the temperature control is more sensitive.
The purpose of the utility model is realized by adopting the following technical scheme:
the temperature controller with the accurate temperature control comprises a fixed plate, a switch assembly and a temperature sensing part, wherein the switch assembly and the temperature sensing part are both arranged on the fixed plate; the temperature compensation heating wire is used for heating.
Further, the temperature compensation heating wires are wound around the length direction of the insulation sheet at intervals.
Further, the insulating sheet is a mica sheet.
Further, the temperature compensation heating wire is made of a resistance wire.
Furthermore, a first mounting piece and a second mounting piece are arranged on the fixing plate, and the first mounting piece and the second mounting piece are arranged at an interval from top to bottom; the second mounting piece is provided with a mounting rod; the insulating sheet is arranged below the second mounting sheet;
the switch component comprises a porcelain ring component, a first terminal piece, a second terminal piece, a first metal reed, a static contact and a moving contact; the ceramic ring assembly is arranged between the first mounting piece and the second mounting piece; one end of the first terminal piece is clamped on the ceramic ring assembly, and the other end of the first terminal piece is formed into a first wiring end; one end of the second terminal piece is clamped on the ceramic ring assembly, and the other end of the second terminal piece is formed into a second wiring end; one end of the first metal reed is clamped in the ceramic ring component and is electrically connected with the first terminal piece; the moving contact is arranged at the other end of the first metal reed; the end part of the first metal reed is connected to the top end of the mounting rod; one end of the static contact is clamped in the porcelain ring component and is electrically connected with the second terminal plate, and the other end of the static contact is formed into a contact end used for being in contact with the moving contact.
Further, the porcelain ring component comprises a first porcelain ring, a second porcelain ring and a third porcelain ring, the first terminal piece is clamped between the first porcelain ring and the second porcelain ring, and the second terminal piece is clamped between the second porcelain ring and the third porcelain ring.
Furthermore, an adjusting shaft is arranged on the first mounting piece, the adjusting shaft can be close to or far away from the first metal reed to move, and the adjusting shaft is used for driving the first metal reed to move up and down after being close to or far away from the first metal reed to move.
Furthermore, the switch component also comprises a second metal reed, one end of the second metal reed is fixed at the top end of the mounting rod, and the moving contact is fixed at the other end of the second metal reed; the second metal reed is positioned below the first metal reed.
Further, the temperature compensation heating wire is a round wire and/or a flat wire.
Compared with the prior art, the utility model has the beneficial effects that: the temperature compensation heating wire can be wound on the insulating sheet, the assembly length of the temperature compensation heating wire can be prolonged in the winding process, so that the temperature sensing is more sensitive, the temperature of the temperature compensation heating wire is increased to make up the situation that the temperature control of the switch assembly is insensitive, and the temperature control is more accurate.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of another structure according to the present invention.
In the figure: 11. a first mounting piece; 12. a second mounting piece; 13. an adjustment shaft; 21. an insulating sheet; 22. a temperature compensating heater wire; 23. mounting a rod; 31. a moving contact; 32. static contact; 33. a first metal reed; 34. a second metal reed; 35. a first ceramic ring; 36. a second ceramic ring; 37. and a third ceramic ring.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and the detailed description below:
in the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
The temperature controller with precise temperature control shown in fig. 1 and 2 includes a fixing plate, a switch assembly and a temperature sensing component, wherein the switch assembly and the temperature sensing component are both mounted on the fixing plate. The specific temperature sensing component comprises an insulating sheet 21 and a temperature compensation heating wire 22, the insulating sheet 21 is installed on the fixing plate, the temperature compensation heating wire 22 is wound on the insulating sheet 21, namely, the temperature compensation heating wire 22 can be wound on the insulating sheet 21, the temperature compensation heating wire 22 can be externally connected with a circuit, when the temperature controller works, the temperature compensation heating wire can be electrified and heated, certain heat is generated, and temperature control can be realized due to the fact that the actual temperature of the switch assembly is not enough.
On the basis of the structure, when the temperature controller with accurate temperature control is used, the switch assembly can be connected into an external circuit, and the switch assembly of the temperature controller can be disconnected at the set temperature during normal work, but when the set temperature of the switch assembly is too high, the actual ambient temperature cannot be realized, so that the temperature compensation heating wire and the external circuit are electrically connected and then generate heat to make up a certain temperature difference, the switch assembly of the temperature controller can be closed, and the rapid temperature control is realized.
It should be noted that, the temperature compensation heating wire 22 can be wound on the insulating sheet 21, and the assembly length of the temperature compensation heating wire 22 can be prolonged in the winding process, so that the heating value is larger, the temperature can be rapidly increased, and the temperature difference can be rapidly compensated, thereby enabling the temperature control to be more sensitive and more accurate.
Certainly, above-mentioned temperature compensation heater strip can select for use as the circle silk in the technique and/or flat silk all can, if adopt the circle silk, the width is less relatively after the temperature compensation heater strip twines, therefore can twine longer temperature compensation heater strip on same length, if adopt the flat silk, the width is great relatively after the winding insulating piece for the circle silk, therefore the whole length is not big with the circle silk phase difference after twining to the insulating piece, so can select according to actual need.
In this embodiment, the temperature compensation heating wire 22 is wound around the insulating sheet 21 at intervals in the length direction, that is, the temperature compensation heating wire 22 may have a longer winding space, so that the temperature compensation heating wire 22 that can be wound has a relatively longer length, and thus generates a larger amount of heat, and the faster the temperature compensation speed is achieved, and the sensitivity is better.
Furthermore, the insulating sheet 21 can be selected as a mica sheet in the prior art, and has insulating and low-loss thermal resistance functions, because when the temperature of the temperature compensation heating wire 22 rises, the insulating effect of the mica sheet is better, and the use is safer.
Further, the temperature compensation heating wire 22 may be made of a resistance wire in the prior art, and may be iron chromium or nickel chromium in the prior art.
Further, the fixing plate is provided with a first mounting piece 11 and a second mounting piece 12, the first mounting piece 11 and the second mounting piece 12 are vertically spaced apart from each other, the second mounting piece is provided with a mounting rod, and the insulating sheet 21 is provided below the second mounting piece 12.
The switch assembly comprises a porcelain ring assembly, a first terminal piece, a second terminal piece, a first metal reed 33, a static contact 32 and a moving contact 31, wherein the porcelain ring assembly is arranged between a first mounting piece 11 and a second mounting piece 12, one end of the first terminal piece is clamped on the porcelain ring assembly, and the other end of the first terminal piece is formed into a first wiring end; one end of the second terminal piece is clamped on the ceramic ring component, and the other end of the second terminal piece is formed into a second wiring end.
One end of the first metal reed 33 is clamped in the porcelain ring assembly and electrically connected with the first terminal piece; the movable contact 31 is provided at the other end of the first metal spring 33, and the first metal spring is attached to the tip of the mounting rod. In addition, one end of the fixed contact 32 is clamped in the ceramic ring assembly and electrically connected to the second terminal plate, and the other end of the fixed contact 32 is formed as a contact end for contacting the movable contact 31.
On the basis of the structure, when temperature control is carried out, the first terminal piece and the second terminal piece can be respectively connected into two poles of a circuit, under the normal condition, the static contact 32 is disconnected with the moving contact 31, and the first terminal piece and the second terminal piece are separated through the porcelain ring assembly. In operation, the temperature compensation heating wire 22 can be connected to an external circuit and generate heat, the first metal spring can be a hot metal sheet in the prior art, when the hot metal sheet senses that the operating temperature reaches a preset temperature, the hot metal sheet can be heated and deformed, and expands downward to drive the movable contact to move downward to close to the fixed contact 32, so that the movable contact 31 and the fixed contact 32 are switched on and off to realize temperature control, and when the temperature is recovered, the first metal spring 33 can be reset.
And the temperature compensation heating wire enables the first metal reed to quickly reach the temperature control temperature while the temperature is increased, so that the temperature control is more sensitive.
Further, the porcelain ring assembly includes a first porcelain ring 35, a second porcelain ring 36, and a third porcelain ring 37, the first porcelain ring 35, the second porcelain ring 36, and the third porcelain ring 37 are stacked in order in a height direction, and may be connected by a bolt or a screw, etc., to clamp the first terminal piece between the first porcelain ring 35 and the second porcelain ring 36, and the second terminal piece between the second porcelain ring 36 and the third porcelain ring.
So, when the assembly, can be set up the perforation on first installation piece 11 and second installation piece 12, cross-under bolt structure in the first installation piece 11, bolt structure passes first porcelain ring 35, second porcelain ring 36 and third porcelain ring 37 in proper order and connects on second installation piece 12, can assemble each part of switch module, first terminal piece, second terminal piece can cut off through second porcelain ring 36, play insulating effect.
Further, an adjusting shaft 13 can be further disposed on the first mounting plate 11, the adjusting shaft 13 can move close to or away from the first metal spring 33, and the adjusting shaft 13 is configured to drive the first metal spring 33 to move after moving close to or away from the first metal spring 33.
Specifically, in the actual use process, according to the set temperature difference, the adjusting shaft 13 can drive the first metal reed 33 to move downward, and the movement distance between the moving contact and the fixed contact of the first metal reed can be reduced, so that the deformation amount required by the first metal reed when the temperature control is realized by heating is reduced, and the temperature control temperature is adjustable.
It should be noted that, the adjusting shaft 13 may adopt a screw structure, and the screw may be screwed on the first mounting plate 11 and drive the first metal spring 33 to move up and down during the rotation process.
Further, the switch assembly further includes a second metal spring 34, which may also be a hot metal sheet in the prior art, one end of the second metal spring 34 is fixed to the top end of the mounting rod 23, and the movable contact 31 is fixed to the other end of the second metal spring 34; second metal spring 34 is located below first metal spring 33. Namely, during temperature control, the movable contact 31 is mounted on the second metal spring 34 to realize temperature control, and the movement of the movable contact 31 relative to the fixed contact 32 can be abutted and disconnected through the combination of the first metal spring 33 and the second metal spring 34, and is more stable and faster in resetting through the control of two elastic forces.
Of course, the first metal spring and the second metal spring can be realized by a bimetallic strip in the prior art.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.
Claims (9)
1. The temperature controller with the accurate temperature control comprises a fixed plate, a switch assembly and a temperature sensing part, wherein the switch assembly and the temperature sensing part are both arranged on the fixed plate; the temperature compensation heating wire is used for heating.
2. The temperature controller of claim 1, wherein the temperature compensating heating wires are wound around the length direction of the insulation sheet at intervals.
3. The temperature controller with precise temperature control according to claim 1, wherein the insulation sheet is a mica sheet.
4. The temperature controller with precise temperature control according to claim 1, wherein the temperature compensation heating wire is made of a resistance wire.
5. The temperature controller with precise temperature control according to any one of claims 1 to 4, wherein the fixing plate is provided with a first mounting plate and a second mounting plate, and the first mounting plate and the second mounting plate are arranged at intervals up and down; the second mounting piece is provided with a mounting rod; the insulating sheet is arranged below the second mounting sheet;
the switch component comprises a porcelain ring component, a first terminal piece, a second terminal piece, a first metal reed, a static contact and a moving contact; the ceramic ring assembly is arranged between the first mounting piece and the second mounting piece; one end of the first terminal piece is clamped on the ceramic ring assembly, and the other end of the first terminal piece is formed into a first wiring end; one end of the second terminal piece is clamped on the ceramic ring assembly, and the other end of the second terminal piece is formed into a second wiring end; one end of the first metal reed is clamped in the ceramic ring component and is electrically connected with the first terminal piece; the moving contact is arranged at the other end of the first metal reed; the end part of the first metal reed is connected to the top end of the mounting rod; one end of the static contact is clamped in the porcelain ring component and is electrically connected with the second terminal plate, and the other end of the static contact is formed into a contact end used for being in contact with the moving contact.
6. The temperature controller with precise temperature control according to claim 5, wherein the ceramic ring assembly comprises a first ceramic ring, a second ceramic ring and a third ceramic ring, the first terminal plate is clamped between the first ceramic ring and the second ceramic ring, and the second terminal plate is clamped between the second ceramic ring and the third ceramic ring.
7. The temperature controller with precise temperature control according to claim 5, wherein the first mounting plate is provided with an adjusting shaft, the adjusting shaft can move close to or away from the first metal spring, and the adjusting shaft is used for driving the first metal spring to move up and down after moving close to or away from the first metal spring.
8. The temperature controller with precise temperature control according to claim 5, wherein the switch assembly further comprises a second metal spring, one end of the second metal spring is fixed on the top end of the mounting rod, and the movable contact is fixed on the other end of the second metal spring; the second metal reed is positioned below the first metal reed.
9. The temperature controller with precise temperature control according to any one of claims 1-4, wherein the temperature compensation heating wire is a round wire and/or a flat wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122328630.XU CN216213129U (en) | 2021-09-24 | 2021-09-24 | Temperature controller with accurate temperature control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122328630.XU CN216213129U (en) | 2021-09-24 | 2021-09-24 | Temperature controller with accurate temperature control |
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| Publication Number | Publication Date |
|---|---|
| CN216213129U true CN216213129U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122328630.XU Active CN216213129U (en) | 2021-09-24 | 2021-09-24 | Temperature controller with accurate temperature control |
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| CN (1) | CN216213129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116646218A (en) * | 2023-06-14 | 2023-08-25 | 佛山市通宝华龙控制器有限公司 | Jump type temperature controller with compensation function |
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2021
- 2021-09-24 CN CN202122328630.XU patent/CN216213129U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116646218A (en) * | 2023-06-14 | 2023-08-25 | 佛山市通宝华龙控制器有限公司 | Jump type temperature controller with compensation function |
| CN116646218B (en) * | 2023-06-14 | 2024-01-30 | 佛山市通宝华龙控制器有限公司 | Jump type temperature controller with compensation function |
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