CN218896591U - Liquid expansion type temperature control device with dual temperature control function - Google Patents
Liquid expansion type temperature control device with dual temperature control function Download PDFInfo
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- CN218896591U CN218896591U CN202320077638.XU CN202320077638U CN218896591U CN 218896591 U CN218896591 U CN 218896591U CN 202320077638 U CN202320077638 U CN 202320077638U CN 218896591 U CN218896591 U CN 218896591U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The utility model discloses a liquid expansion type temperature control device with a dual temperature control function. When the temperature-sensing barrel detects that the temperature rises to a preset value, the temperature-sensing medium expands and is transmitted to the diaphragm capsule through the capillary tube, so that the diaphragm capsule deforms and drives the first push rod to push the first connecting piece upwards, the two contacts are separated from each other to complete circuit disconnection, and a first heavy temperature control effect is achieved. The thermal protector is connected with the first wiring terminal and/or the second wiring terminal in series, and when the temperature is detected to be increased to a preset value, the thermal fuse link in the thermal protector is disconnected, so that the circuit disconnection can be completed, and the second temperature control effect is realized. Through above structural design mode, can realize dual control by temperature change function, reach dual protection effect, improve the security performance. In addition, due to the dual temperature control function, under the condition that one temperature control component is damaged, the temperature control function can be realized through the other temperature control component, so that the fault tolerance rate of the temperature control device is improved, and the service life of the temperature control device is prolonged.
Description
Technical Field
The utility model relates to the technical field of temperature controllers, in particular to a liquid expansion type temperature control device with a dual temperature control function.
Background
The temperature controller, also called temperature control switch, temperature protector, temperature control device, etc., is a series of automatic control elements capable of generating physical deformation inside the switch according to the temperature change of the working environment, thereby generating some special effects and generating on or off actions.
The common temperature controllers in the prior art comprise a mechanical temperature controller and a liquid expansion type temperature controller, and the liquid expansion type temperature controller has the advantages of high sensitivity, high reaction speed and the like, and is widely applied to the fields of household appliances such as electric cookers, electric fryers and the like. The Chinese patent application publication No. CN113299518A discloses a liquid expansion type temperature controller, which consists of a temperature sensing assembly, a switch assembly, a main body adjusting mechanism and the like, and realizes the opening and closing of a control contact through the detection function of a temperature sensing barrel. The Chinese patent document with the publication number of CN202871698U discloses a liquid expansion type temperature controller, which comprises a base, a cover body, a temperature sensing component and an adjusting component, and the temperature control function is realized by the cooperative cooperation of a temperature sensing cylinder, a diaphragm capsule and other components.
In the technical scheme, the liquid expansion type temperature control scheme is adopted, so that the temperature control capability is high, but the liquid expansion type temperature control scheme has only one liquid expansion temperature control function, the temperature control function is single, and the safety performance is low. And when any part in the temperature sensing assembly is damaged or fails, the temperature control function of the temperature controller is lost, the fault tolerance rate is low, and the service life is short.
Therefore, there is a need in the art to provide a temperature control device with multiple temperature control functions and high safety.
Disclosure of Invention
In order to solve the technical problems of single temperature control function and low fault tolerance in the prior art, the utility model provides a liquid expansion type temperature control device with a dual temperature control function, which has the characteristics of simple and reasonable structural design, dual temperature control function and long service life.
The utility model adopts the technical proposal for solving the problems that:
a liquid expansion temperature control device with dual temperature control functions, comprising:
the device comprises a first connecting sheet and a second connecting sheet, wherein a first contact is arranged on the first connecting sheet, a second contact is arranged on the second connecting sheet, and the first contact and the second contact are correspondingly arranged;
the temperature sensing tube is communicated with the membrane box through a capillary tube, a first push rod is arranged at the top of the membrane box, and the membrane box is used for driving the first push rod to move upwards and pushing the first connecting piece so as to separate the first contact from the second contact;
the first wiring terminal is electrically connected with the first connecting piece, the second wiring terminal is electrically connected with the second connecting piece, one of the first wiring terminal and the second wiring terminal is electrically connected with the positive electrode of the power supply, and the other one of the first wiring terminal and the second wiring terminal is electrically connected with the negative electrode of the power supply;
and the thermal protector and the first wiring terminal and/or the second wiring terminal are connected in series.
Further, the liquid expansion type temperature control device with the dual temperature control function further comprises a fastener, wherein the fastener is wound on the outer circumferential sides of the temperature sensing cylinder and the thermal protector, so that the thermal protector is fixedly installed on the temperature sensing cylinder.
Further, the thermal protector is a fuse.
Further, the first wiring terminal is electrically connected with a first wire, the second wiring terminal is electrically connected with a second wire, and the thermal protector is electrically connected with a third wire;
wherein, the first wire is electrically connected with the thermal protector, one of the second wire and the third wire is electrically connected with the positive electrode of the power supply, and the other wire is electrically connected with the negative electrode of the power supply;
or the second wire is electrically connected with the thermal protector, one of the first wire and the third wire is electrically connected with the positive electrode of the power supply, and the other wire is electrically connected with the negative electrode of the power supply;
or the first lead and the second lead are respectively and electrically connected with the two thermal protectors, and the two third leads are respectively and electrically connected with the positive electrode and the negative electrode of the power supply.
Further, the liquid expansion type temperature control device with the dual temperature control function further comprises a power line, one end of the power line is electrically connected with a power supply, and the other end of the power line is electrically connected with the first wire, the second wire or the third wire.
Further, the liquid expansion type temperature control device with the dual temperature control function further comprises a connecting column, wherein the first connecting sheet, the first connecting terminal, the second connecting sheet and the second connecting terminal are fixedly installed on the connecting column.
Further, an insulating ring is sleeved on the outer periphery of the connecting column, and the insulating ring is arranged between the first connecting sheet and the second connecting sheet and/or between the first connecting terminal and the second connecting terminal.
Further, a first mounting plate is fixedly connected to the connecting column, and the bellows is arranged at the top of the first mounting plate.
Further, a second mounting plate is fixedly connected to the connecting column, a second push rod is arranged at the bottom of the second mounting plate, and the second push rod can move towards the direction close to or far away from the first connecting sheet.
Further, the liquid expansion type temperature control device with the dual temperature control function further comprises an operation rod, wherein the operation rod penetrates through the second mounting plate in the vertical direction and is in threaded connection with the second mounting plate, and the second push rod is fixedly connected with the bottom end of the operation rod.
In summary, compared with the prior art, the liquid expansion type temperature control device with dual temperature control function provided by the utility model has at least the following technical effects:
the liquid expansion type temperature control device provided by the utility model comprises two temperature control components. The working principle of the first temperature control component is as follows: when the temperature sensing cylinder detects that the ambient temperature (or the temperature of a measured object) rises to a preset temperature, the temperature sensing liquid in the temperature sensing cylinder expands and is transmitted to the diaphragm capsule through the capillary tube, so that the diaphragm capsule deforms and drives the first push rod to move upwards to push the first connecting piece, and finally the first contact and the second contact are separated from each other to complete circuit disconnection, and a first heavy temperature control effect is achieved. The working principle of the second temperature control component is as follows: the thermal protector is connected with the first wiring terminal and/or the second wiring terminal in series, and when the current in the circuit is detected to exceed a preset value or the ambient temperature (or the temperature of the detected object) is detected to rise to the preset temperature, the thermal fuse in the thermal protector can be disconnected, so that the circuit can be disconnected, and the second temperature control effect can be realized.
Therefore, through the structural design mode, the double temperature control function of the temperature control device circuit can be realized, the double protection effect is further achieved, and the safety performance is improved. In addition, due to the dual temperature control function, under the condition that one temperature control component is damaged, the temperature control function can be realized through the other temperature control component, so that the fault tolerance rate of the temperature control device is improved, and the service life of the temperature control device is prolonged.
Drawings
FIG. 1 is a schematic diagram of a liquid expansion type temperature control device with dual temperature control function according to the present utility model;
FIG. 2 is a schematic diagram of another structure of a liquid expansion type temperature control device with dual temperature control function according to the present utility model;
wherein the reference numerals have the following meanings:
1. a first connecting piece; 11. a first contact; 2. a second connecting piece; 21. a second contact; 3. a temperature sensing cylinder; 31. a capillary tube; 32. a bellows; 33. a first push rod; 4. a first connection terminal; 41. a first wire; 5. a second connection terminal; 51. a second wire; 6. a thermal protector; 61. a fastener; 62. a third wire; 7. a connecting column; 71. a first mounting plate; 72. a second mounting plate; 73. an insulating ring; 8. a second push rod; 81. a control lever; 9. and a power supply line.
Detailed Description
For a better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.
In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
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 utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Referring to fig. 1, according to an embodiment of the present utility model, the liquid expansion type temperature control device with dual temperature control function includes a first connection piece 1 and a second connection piece 2, a first contact 11 is disposed on the first connection piece 2, a second contact 21 is disposed on the second connection piece 2, and the first contact 11 and the second contact 22 are disposed correspondingly. In the initial state, the first contact 11 is in contact with the second contact 21, and the circuit of the temperature control device is in a conducting state; when the ambient temperature or the temperature of the detected object exceeds a preset value, the first contact 11 and the second contact 21 are mutually separated, and the circuit of the temperature control device is in an open state, so that a high-temperature control effect is realized.
Referring to fig. 1, the liquid expansion type temperature control device with dual temperature control function further comprises a temperature sensing barrel 3 and a membrane box 32, wherein the temperature sensing barrel 3 is communicated with the membrane box 32 through a capillary tube 31, a first push rod 33 is arranged at the top of the membrane box 32, and the membrane box 32 is used for driving the first push rod 33 to move upwards and pushing the first connecting piece 1 so as to separate the first contact 11 and the second contact 21 from each other. Wherein, the temperature-sensing tube 3, the capillary tube 31 and the bellows 32 are communicated, and the temperature-sensing medium with higher thermal expansion coefficient is arranged in the temperature-sensing tube 3. The temperature sensing barrel 3 is used for sensing and detecting the ambient temperature or the temperature change of a measured object, when the temperature rises to a preset value, a temperature sensing medium in the temperature sensing barrel 3 expands and is transmitted to the diaphragm capsule 32 through the capillary tube 31, so that the diaphragm capsule 31 deforms (expands) and drives the first push rod 33 to move upwards to push the first connecting sheet 1, and finally, the second contact 21 on the second connecting sheet 2 and the first contact 11 on the first connecting sheet 1 are separated from each other to complete circuit disconnection, and a first heavy temperature control effect is realized.
Referring to fig. 1 and 2, the liquid expansion type temperature control device with dual temperature control function further comprises a first connecting terminal 4 and a second connecting terminal 5, wherein the first connecting terminal 4 is electrically connected with the first connecting sheet 1, the second connecting sheet 5 is electrically connected with the second connecting sheet 2, one of the first connecting terminal 4 and the second connecting terminal 5 is electrically connected with a positive electrode of a power supply, and the other is electrically connected with a negative electrode of the power supply. Specifically, when the first contact 11 and the second contact 21 are separated from each other, the first connection terminal 4 and the second connection terminal 5 are in an open state, that is, the circuit is in an open state; when the first contact 11 and the second contact 21 are in contact, the first connection terminal 4 and the second connection terminal 5 are in a closed state, i.e. the circuit is in a closed conducting state.
Referring to fig. 1 and 2, the liquid expansion type temperature control device with dual temperature control function further includes a thermal protector 6, and the thermal protector 6 is connected in series with the first connection terminal 4 and/or the second connection terminal 5. Specifically, a thermal fuse is arranged in the thermal protector 6, and when the current in the circuit is detected to exceed a preset value or the temperature of the environment (or the temperature of the measured object) is detected to rise to a preset value, the thermal fuse in the thermal protector 6 is disconnected to complete the circuit disconnection, so that a second temperature control effect is realized.
In the technical solution of this embodiment, the first temperature control component can fully utilize the expansion characteristic of the temperature sensing liquid in the temperature sensing barrel 3 and the characteristic of fast medium transmission speed of the small-caliber capillary tube 31 to realize the temperature control function, and has fast reaction speed and high sensitivity. The second temperature control component can assist and supplement the first temperature control component, so that the temperature control device can not lose the temperature control function under the condition that the first temperature control component is damaged or fails, and the fault tolerance rate and the service life of the temperature control device are improved. In addition, by arranging two temperature control components, the utility model can realize the double temperature control function of the temperature control device circuit, thereby achieving the double protection effect and improving the safety performance.
Example 1
In a first alternative embodiment of the utility model, a solution is provided concerning a specific structural arrangement of the thermal protector 6.
In the technical solution of this embodiment, as shown in fig. 1, the liquid expansion type temperature control device with dual temperature control function further includes a fastening member 61, and the fastening member 61 is wound around the outer peripheral sides of the temperature sensing cylinder 3 and the thermal protector 6 to fixedly mount the thermal protector 6 on the temperature sensing cylinder 3. Specifically, the thermal protector 6, the temperature sensing barrel 3, the capillary tube 31, the capsule 32 and other components are all arranged inside the shell of the temperature control device, and if the thermal protector 6 is assembled on the inner wall of the shell, the temperature control device is inconvenient to assemble and disassemble by a user; if the thermal protector 6 is assembled at the capsule 32 or the capillary tube 31, the expansion and deformation work of the two can be influenced, and the capillary tube 31 is easy to cause structural damage; if the auxiliary supporting structure is separately provided inside the housing for the thermal protector 6, the material cost and the installation space are increased, and the arrangement of other components in the housing is not facilitated. Therefore, the heat protector 6 is arranged on the temperature sensing barrel 3, and the structural stability is improved through the structural supporting effect of the temperature sensing barrel 3 on the heat protector 6.
More specifically, the fastener 61 may be a metal binding wire with an insulating casing, and the metal binding wire is wound around the outer circumference sides of the temperature sensing barrel 3 and the thermal protector 6 and then screwed, so that the thermal protector 6 is installed, and the structural design is simple and reasonable, and the operation is simple and convenient.
In a preferred aspect of this embodiment, the thermal protector 6 may be preferably a fuse, and when the circuit current of the temperature control device exceeds a predetermined value, the fuse link is fused by heat generated by itself, thereby achieving the effect of breaking the circuit and achieving the second thermal control protection effect.
Example 2
In a second alternative embodiment of the present utility model, a technical solution is provided regarding the manner of electrical connection of the positive and negative poles of the power supply, the first connection terminal 4, the second connection terminal 5 and the thermal protector 6.
Referring to fig. 1 and 2, in the technical solution of this embodiment, the first connection terminal 4 is electrically connected with the first wire 41, the second connection terminal 5 is electrically connected with the second wire 51, and the thermal protector 6 is electrically connected with the third wire 62. The temperature control device can be provided with a power supply by itself or can be independently provided with a power supply outside the temperature control device, and the power supply comprises an anode and a cathode.
In an alternative of this embodiment, the first connection terminal 4 is electrically connected to the thermal protector 6 through the first wire 41, one of the second wire 51 and the third wire 62 is electrically connected to the positive power supply electrode, and the other is electrically connected to the negative power supply electrode. In this alternative, the second connection terminal 5 may be electrically connected to the positive power supply via the second wire 51, while the thermal protector 6 is electrically connected to the negative power supply via the third wire 62. The second connection terminal 5 can also be electrically connected to the negative power supply via the second line 51, in which case the thermal protector 6 is electrically connected to the positive power supply via the third line 62.
In another alternative of this embodiment, the second connection terminal 5 is electrically connected to the thermal protector 6 through the second wire 51, one of the first wire 41 and the third wire 62 is electrically connected to the positive power supply electrode, and the other is electrically connected to the negative power supply electrode. In this alternative, the first connection terminal 4 may be electrically connected to the positive power supply via the first wire 41, while the thermal protector 6 is electrically connected to the negative power supply via the third wire 62. The first connection terminal 4 can also be electrically connected to the negative power supply via the first line 41, in which case the thermal protector 6 is electrically connected to the positive power supply via the third line 62.
In another alternative of this embodiment, the number of thermal protector 6 and third wire 62 are both set to two. The first connecting terminal 4 and the second connecting terminal 5 are respectively electrically connected with the two thermal protectors 6 through the first lead 41 and the second lead 51, and the two third leads 62 are respectively electrically connected with the positive electrode and the negative electrode of the power supply. In this alternative, the circuit of the temperature control device is provided with two thermal protectors 6 in series, and the temperature control function is realized on both sides of the positive electrode and the negative electrode of the circuit respectively.
Referring to fig. 2, in a preferred embodiment of the present embodiment, the liquid expansion type temperature control device with dual temperature control function further includes a power line 9, and the power line 9 may be a plurality of wire assemblies externally provided with an insulating sheath, one end of the power line 9 is electrically connected to a power source, and the other end of the power line 9 is electrically connected to the first wire 41, the second wire 51 or the third wire 62. Wherein when the circuit is provided with only a single thermal protector 6, one end of the power supply line 9 is electrically connected to the power supply, the other end of the power supply line 9 is electrically connected to the first wire 41, the third wire 62, or the other end of the power supply line 9 is electrically connected to the second wire 51, the third wire 62. When the circuit is provided with two thermal protectors 6, one end of the power line 9 is electrically connected to the power supply, and the other end of the power line 9 is electrically connected to two third wires 62.
Therefore, through the above structural design mode, the first wire 41, the second wire 51 or the third wire 62 can be electrically connected with the positive electrode and the negative electrode of the power supply uniformly through the power supply wire 9, so that the connection modes of various wires are met, and the structural design is simple and reasonable.
Example 3
In a third alternative embodiment of the utility model, a solution is provided with respect to the specific structural arrangement of the connection post 7 and the insulating ring 73.
Referring to fig. 1, in the technical solution of this embodiment, the liquid expansion type temperature control device with dual temperature control function further includes a connection post 7, where the first connection piece 1, the first connection terminal 4, the second connection piece 2, and the second connection terminal 5 are fixedly mounted on the connection post 7, that is, the connection post 7 is used for structurally supporting the first connection piece 1, the first connection terminal 4, the second connection piece 2, and the second connection terminal 5. More specifically, the connection post 7 may be mounted on the inner wall of the housing of the temperature control device, thereby enabling the assembly of the first connection piece 1, the first connection terminal 4, the second connection piece 2 and the second connection terminal 5 inside the housing.
In a preferred embodiment of this embodiment, as shown in fig. 1, the outer peripheral side of the connecting post 7 is sleeved with an insulating ring 73, and the insulating ring 73 is arranged between the first connecting piece 1, the second connecting piece 2 and/or between the first connecting terminal 4 and the second connecting terminal 5. Specifically, the insulating ring 73 is used for insulating the first connecting piece 1, the second connecting piece 2 or the first connecting terminal 4 and the second connecting terminal 5, so as to ensure that the circuit between the first connecting piece 2 and the second connecting piece 3 and between the first connecting terminal 4 and the second connecting terminal 5 is only determined by whether the first contact 11 and the second contact 21 are contacted or not, thereby realizing the temperature control function.
Example 4
In a fourth alternative embodiment of the present utility model, a technical solution is provided with respect to the specific structural arrangement of the first mounting plate 71 and the second mounting plate 72 on the basis of the third embodiment.
Referring to fig. 1, in an alternative to this embodiment, a first mounting plate 71 is fixedly attached to the connection post 7, and the bellows 32 is disposed on top of the first mounting plate 71. The first mounting plate 71 is used for structurally supporting the bellows 32, so that the bellows 32 can drive the first push rod 42 to move upwards and press the first connecting piece 1 when being deformed (expanded), and the first contact 11 and the second contact 21 are separated from each other.
In another alternative of this embodiment, as shown in fig. 1, a second mounting plate 72 is fixedly connected to the connecting post 7, and a second push rod 8 is provided at the bottom of the second mounting plate 72, and the second push rod 8 is movable in a direction approaching or separating from the first connecting piece 1. Specifically, when the second push rod 8 moves close to the first connecting piece 1 and pushes against the first connecting piece 1, the first contact 11 can be driven to move downwards, so that the initial distance between the first contact 11 and the second contact 21 is reduced, the effect of adjusting the temperature control temperature is achieved, that is, the temperature of the temperature control device can be adjusted according to the actual temperature control condition, and meanwhile, the sensitivity of the temperature control device is improved.
Referring to fig. 1 and 2, in a preferred embodiment of the present embodiment, the liquid expansion type temperature control device with dual temperature control function further includes a control rod 81, wherein the control rod 81 passes through the second mounting plate 72 in the vertical direction and is in threaded connection with the second mounting plate 72, and the second push rod 8 is fixedly connected with the bottom end of the control rod 81. Specifically, the second push rod 8 can be driven to move up and down, i.e. to move towards a direction approaching or separating from the first connecting piece 1 by rotating the control rod 81, so as to realize the adjustment operation of the distance between the first contact 11 and the second contact 21, and realize the temperature control and temperature regulation function. More specifically, the control lever 81 may be connected to a part of the housing of the temperature control device, and the second push rod 8 may be driven to move up and down by rotating the part of the housing.
In summary, the present utility model includes two temperature control components corresponding to two temperature control functions. The working principle of the first temperature control component is as follows: when the temperature sensing barrel 3 detects that the ambient temperature (or the temperature of the measured object) rises to the preset temperature, the temperature sensing liquid in the temperature sensing barrel 3 expands and is transmitted to the diaphragm capsule through the capillary tube 31, so that the diaphragm capsule 32 deforms and drives the first push rod 33 to move upwards to push the first connecting piece 1, and finally the first contact 11 and the second contact 21 are separated from each other to complete circuit disconnection, and the first heavy temperature control effect is realized. The working principle of the second temperature control component is as follows: the thermal protector 6 is connected in series with the first connection terminal 4 and/or the second connection terminal 5, and when the current in the circuit exceeds a preset value or the temperature of the environment (or the temperature of the measured object) is detected to rise to the preset temperature, the thermal fuse in the thermal protector 6 can be disconnected to complete the disconnection of the circuit, so that the second temperature control effect is realized.
Therefore, through the structural design mode, the double temperature control function of the temperature control device circuit can be realized, the double protection effect is further achieved, and the safety performance is improved. Furthermore, as the temperature control device is provided with the dual temperature control function, the temperature control function can be realized through the other temperature control component under the condition that one temperature control component is damaged, so that the fault tolerance rate and the service life of the temperature control device are improved.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (10)
1. A liquid expansion type temperature control device with dual temperature control functions, which is characterized by comprising:
the device comprises a first connecting sheet and a second connecting sheet, wherein a first contact is arranged on the first connecting sheet, a second contact is arranged on the second connecting sheet, and the first contact and the second contact are correspondingly arranged;
the temperature sensing tube is communicated with the membrane box through a capillary tube, a first push rod is arranged at the top of the membrane box, and the membrane box is used for driving the first push rod to move upwards and pushing the first connecting piece so as to separate the first contact from the second contact;
the first wiring terminal is electrically connected with the first connecting piece, the second wiring terminal is electrically connected with the second connecting piece, one of the first wiring terminal and the second wiring terminal is electrically connected with the positive electrode of the power supply, and the other one of the first wiring terminal and the second wiring terminal is electrically connected with the negative electrode of the power supply;
and the thermal protector and the first wiring terminal and/or the second wiring terminal are connected in series.
2. The liquid expansion type temperature control device with dual temperature control function according to claim 1, further comprising a fastener wound around the outer peripheral sides of the temperature sensing cylinder and the thermal protector to fixedly mount the thermal protector on the temperature sensing cylinder.
3. The liquid expansion type temperature control device with dual temperature control function according to claim 2, wherein the thermal protector is a fuse.
4. The liquid expansion type temperature control device with dual temperature control function according to claim 1, wherein the first wiring terminal is electrically connected with a first wire, the second wiring terminal is electrically connected with a second wire, and the thermal protector is electrically connected with a third wire;
wherein, the first wire is electrically connected with the thermal protector, one of the second wire and the third wire is electrically connected with the positive electrode of the power supply, and the other wire is electrically connected with the negative electrode of the power supply;
or the second wire is electrically connected with the thermal protector, one of the first wire and the third wire is electrically connected with the positive electrode of the power supply, and the other wire is electrically connected with the negative electrode of the power supply;
or the first lead and the second lead are respectively and electrically connected with the two thermal protectors, and the two third leads are respectively and electrically connected with the positive electrode and the negative electrode of the power supply.
5. The liquid expansion type temperature control device with dual temperature control function according to claim 4, further comprising a power line, wherein one end of the power line is electrically connected to a power source, and the other end of the power line is electrically connected to the first wire, the second wire or the third wire.
6. The liquid expansion type temperature control device with dual temperature control function according to claim 1, further comprising a connecting column, wherein the first connecting piece, the first connecting terminal, the second connecting piece and the second connecting terminal are fixedly mounted on the connecting column.
7. The liquid expansion type temperature control device with dual temperature control function according to claim 6, wherein an insulating ring is sleeved on the outer periphery side of the connecting column, and the insulating ring is arranged between the first connecting sheet and the second connecting sheet and/or between the first connecting terminal and the second connecting terminal.
8. The liquid expansion type temperature control device with dual temperature control function according to claim 6, wherein a first mounting plate is fixedly connected to the connecting column, and the bellows is arranged at the top of the first mounting plate.
9. The liquid expansion type temperature control device with dual temperature control function according to claim 6, wherein a second mounting plate is fixedly connected to the connecting column, a second push rod is arranged at the bottom of the second mounting plate, and the second push rod can move towards a direction approaching or separating from the first connecting sheet.
10. The liquid expansion type temperature control device with dual temperature control function according to claim 9, further comprising a control rod, wherein the control rod passes through the second mounting plate in the vertical direction and is in threaded connection with the second mounting plate, and the second push rod is fixedly connected with the bottom end of the control rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320077638.XU CN218896591U (en) | 2023-01-09 | 2023-01-09 | Liquid expansion type temperature control device with dual temperature control function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320077638.XU CN218896591U (en) | 2023-01-09 | 2023-01-09 | Liquid expansion type temperature control device with dual temperature control function |
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| CN218896591U true CN218896591U (en) | 2023-04-21 |
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| CN202320077638.XU Active CN218896591U (en) | 2023-01-09 | 2023-01-09 | Liquid expansion type temperature control device with dual temperature control function |
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- 2023-01-09 CN CN202320077638.XU patent/CN218896591U/en active Active
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