CN218333605U - Temperature control switch, refrigeration circuit and refrigeration equipment - Google Patents
Temperature control switch, refrigeration circuit and refrigeration equipment Download PDFInfo
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- CN218333605U CN218333605U CN202222743325.1U CN202222743325U CN218333605U CN 218333605 U CN218333605 U CN 218333605U CN 202222743325 U CN202222743325 U CN 202222743325U CN 218333605 U CN218333605 U CN 218333605U
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Abstract
The disclosure relates to a temperature control switch, a refrigeration circuit and refrigeration equipment. The temperature detect switch includes: heating element, first temperature detect switch and second temperature detect switch, heating element's first end is connected with first temperature detect switch's first end, and heating element's second end and first temperature detect switch's second end all are used for connecting the power. The second temperature control switch is arranged beside the heating assembly, a first end of the second temperature control switch is used for being connected with a power supply, and a second end of the second temperature control switch is used for being connected with the working assembly. When the first temperature control switch is conducted, the heating assembly is communicated with the power supply. Thereby controlling the working state of the working assembly, improving the accuracy of temperature control, and having simple structure and high reliability.
Description
Technical Field
The disclosure relates to the technical field of refrigeration, in particular to a temperature control switch, a refrigeration circuit and refrigeration equipment.
Background
The control modes of the existing refrigeration appliances such as refrigerators are divided into two types, namely mechanical control and electronic control, wherein the electronic control mode is provided with a control panel consisting of electronic devices, and the control panel is mostly designed to be more complicated, mostly used for air-cooled refrigerators and used for refrigerators with higher cost. For a low-cost direct-cooling refrigerator, a control mode of a pure mechanical structure is selected for multiple purposes, namely, the refrigerator does not have a control program and a corresponding control chip, and the refrigerator is simple in structure, low in cost, high in economical efficiency and high in practicability.
At the present stage, the used temperature control switch is mostly made by the principle of expansion with heat and contraction with cold using gas, and the temperature control of the refrigerator is not accurate because the expansion with heat and contraction with cold of gas and the pressure change is slow. And because a structure for sealing gas is needed and a structure for converting gas pressure into conduction contact is needed, the switch structure is complex and the switch cost is relatively high.
SUMMERY OF THE UTILITY MODEL
The present disclosure provides a temperature control switch, a refrigeration circuit and a refrigeration device to solve some or all of the above technical problems.
In order to achieve the purpose, the technical scheme adopted by the disclosure is as follows:
in a first aspect, according to an embodiment of the present disclosure, there is provided a temperature controlled switch including:
the temperature control device comprises a heating component, a first temperature control switch and a second temperature control switch, wherein a first end of the heating component is connected with a first end of the first temperature control switch, and a second end of the heating component and a second end of the first temperature control switch are both used for being connected with a power supply; the second temperature control switch is arranged beside the heating assembly, a first end of the second temperature control switch is used for being connected with the power supply, and a second end of the second temperature control switch is used for being connected with the working assembly;
when the first temperature control switch is conducted, the heating assembly is communicated with the power supply.
Optionally, when the first temperature control switch reaches a first action temperature, the first temperature control switch is turned on, so that the power supply is communicated with the heating assembly; when the first temperature control switch reaches a first reset temperature, the first temperature control switch is disconnected so that the power supply is disconnected with the heating assembly;
when the second temperature control switch reaches a second action temperature, the second temperature control switch is conducted so as to enable the power supply to be communicated with the working assembly; and when the second temperature control switch reaches a second reset temperature, the second temperature control switch is disconnected so as to disconnect the power supply from the working assembly.
Optionally, the first temperature switch is a non-snap temperature control switch, the first temperature control switch includes a first bimetal and a first stationary contact, the first stationary contact is used for connecting the power supply, and the first bimetal is connected with the heating assembly;
the first bimetal piece deforms along with the temperature change, and when the first bimetal piece reaches the first action temperature, the first bimetal piece is communicated with the first stationary contact; when the first bimetal reaches the first reset temperature, the first bimetal is disconnected from the first stationary contact.
Optionally, the second temperature control switch comprises a snap-action temperature control switch, the snap-action temperature control switch comprises a second bimetallic strip and a second stationary contact, the second stationary contact is used for connecting the power supply, and the second bimetallic strip is used for connecting the working assembly;
when the second bimetallic strip reaches the second action temperature, the second bimetallic strip deforms and is communicated with the second stationary contact; when the second bimetallic strip reaches the second reset temperature, the second bimetallic strip deforms to be disconnected with the second stationary contact.
Optionally, the first temperature control switch comprises a first bimetal and a first stationary contact, the first stationary contact is used for connecting the power supply, and the first bimetal is connected with the heating assembly; when the first bimetal reaches the first action temperature, the first bimetal deforms and is communicated with the first stationary contact; when the first bimetal reaches the first reset temperature, the first bimetal deforms and is disconnected from the first stationary contact;
the second temperature control switch comprises a kick type temperature control switch, the kick type temperature control switch comprises a second bimetallic strip and a second stationary contact, the second stationary contact is used for being connected with the power supply, and the second bimetallic strip is used for being connected with the working assembly; when the second bimetallic strip reaches the second action temperature, the second bimetallic strip deforms and is communicated with the second stationary contact; when the second bimetal sheet reaches the second reset temperature, the second bimetal sheet is deformed to be disconnected with the second stationary contact.
Optionally, the specific bending of the first bimetallic strip is greater than the specific bending of the second bimetallic strip.
Optionally, the first action temperature is less than the second action temperature; and/or
The first reset temperature is less than or equal to the second reset temperature.
Optionally, the heating assembly comprises a heating wire.
In a second aspect, according to an embodiment of the present disclosure, there is provided a refrigeration circuit, including a power supply, a compressor, and the temperature controlled switch according to the first aspect, wherein the power supply is connected to the compressor, a first end of the second temperature controlled switch is connected to the power supply, and a second end of the second temperature controlled switch is connected to the compressor; and the second end of the heating component and the second end of the first temperature control switch are both connected with the power supply.
In a third aspect, according to an embodiment of the present disclosure, there is provided a refrigeration device comprising the refrigeration circuit of the second aspect.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
this disclosed temperature detect switch, through switching on of first temperature detect switch control heating element, through heating element heating second temperature detect switch, control switching on of second temperature detect switch to control the operating condition of working component, improved the accurate nature of control by temperature change, and simple structure reliability is high.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
Fig. 1 is a schematic diagram of a temperature controlled switch shown in an exemplary embodiment of the present disclosure.
Detailed Description
The present disclosure will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments do not limit the disclosure, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the disclosure.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
The temperature-controlled switch, the refrigeration circuit, and the refrigeration apparatus of the present disclosure will be described in detail below with reference to the accompanying drawings, and features of the following embodiments and examples may be combined with each other without conflict.
Referring to fig. 1, an embodiment of the present disclosure provides a temperature control switch, which is applicable to a refrigeration scene such as a refrigerator and a freezer. The temperature control switch may include: the heating device comprises a heating component 11, a first temperature control switch 12 and a second temperature control switch 13, wherein a first end (a lower end shown in the figure) of the heating component 11 is connected with a first end (a lower end shown in the figure) of the first temperature control switch 12, and a second end (an upper end shown in the figure) of the heating component 11 and a second end (an upper end shown in the figure) of the first temperature control switch 12 are both used for connecting a power supply 90. The second temperature-controlled switch 13 is disposed beside the heating element 11. A first end (upper end shown) of the second temperature controlled switch 13 is used for connecting the power supply 90, and a second end (lower end shown) of the second temperature controlled switch 13 is used for connecting the working component, which may include the compressor 80, or other devices. When the first temperature control switch 12 is turned on, the heating element 11 is connected to the power supply 90. The heating component 11 is used for heating the second temperature control switch 13, so as to control the second temperature control switch 13 to be switched on or switched off.
This disclosed temperature detect switch, through switching on of first temperature detect switch 12 control heating element 11, through heating element 11 heating second temperature detect switch 13, control switching on of second temperature detect switch 13 to control operating condition of work subassembly has improved the accurate nature of control by temperature change, and simple structure reliability is high.
In some alternative embodiments, when the first temperature controlled switch 12 reaches the first action temperature, the first temperature controlled switch 12 is turned on to connect the power source 90 to the heating assembly 11. When the first temperature controlled switch 12 reaches the first reset temperature, the first temperature controlled switch 12 is turned off to disconnect the power supply 90 from the heating assembly 11.
When the second temperature control switch 13 reaches the second operating temperature, the second temperature control switch 13 is turned on, so that the power supply 90 is connected to the working component. When the second temperature-controlled switch 13 reaches the second reset temperature, the second temperature-controlled switch 13 is turned off to disconnect the power supply 90 from the working components.
Taking the example of a thermostat for a refrigerator, the working components may include a compressor 80. The working principle is that the temperature control switch is arranged in the refrigerator, the first temperature control switch 12 can sense the temperature in the refrigerator, and when the temperature is higher and reaches a first action temperature, the first temperature control switch 12 is switched on, so that the power supply 90 is communicated with the heating assembly 11. At this time, the heating module 11 is powered on to start heating to generate heat, and the temperature of the second temperature control switch 13 arranged beside the heating module 11 starts to rise. When the temperature of the second temperature control switch 13 reaches the second operating temperature, the second temperature control switch 13 is turned on, so that the power supply 90 is communicated with the working assembly, the compressor 80 starts to operate, and the refrigerator starts to refrigerate.
The temperature of the refrigerator starts to decrease after refrigeration, and when the first temperature control switch 12 reaches the first reset temperature, the first temperature control switch 12 is turned off, so that the power supply 90 is disconnected from the heating assembly 11, and the heating assembly 11 stops heating. Since the temperature inside the refrigerator is lowered and there is no heating influence of the heating assembly 11, the temperature change of the second temperature controlled switch 13 is large, and when the second temperature controlled switch 13 reaches the second reset temperature, the second temperature controlled switch 13 is turned off to disconnect the power supply 90 from the working assembly, thereby stopping the refrigeration of the compressor 80. After the temperature rises again, the process is repeated, and the automatic circulation refrigeration of the refrigerator can be realized.
In some optional embodiments, the first temperature switch 12 is a non-snap temperature control switch, the first temperature control switch 12 includes a first bimetal 121 and a first stationary contact 122, the first stationary contact 122 is used for connecting the power source 90, and the first bimetal 121 is connected to the heating assembly 11. The first bimetal 121 deforms along with the temperature change, and when the first bimetal 121 reaches the first operating temperature, the deformed posture of the first bimetal 121 is communicated with the first stationary contact 122, so that the first temperature control switch 12 is turned on, and the power supply 90 is communicated with the heating assembly 11. When the first bimetal 121 reaches the first reset temperature, the deformed posture of the first bimetal 121 is disconnected from the first stationary contact 122, so that the first temperature control switch 12 is turned off, and the power supply 90 is disconnected from the heating element 11. Alternatively, the heating assembly 11 may include a heating wire, which may be a micro heating wire and is disposed at a side position of the second temperature control switch, and has a small influence on the ambient temperature when heating. Optionally, the heating wire is arranged in the middle of the second temperature control switch, and the second temperature control switch is heated uniformly. It can be understood that the first temperature controlled switch 12 is a non-snap type temperature controlled switch, and the first bimetal 121 is not snap deformed and is not deformed by accumulating potential energy, so that deformation can be sensitively generated according to temperature change.
Taking the example of a thermostat for a refrigerator, the working components may include a compressor 80. The working principle is that the temperature control switch is arranged inside the refrigerator, the first temperature control switch 12 can sense the temperature inside the refrigerator, when the temperature is higher and reaches a first action temperature, the first bimetal piece 121 deforms and is communicated with the first stationary contact 122 in a contact mode, so that current is conducted, at the moment, the first temperature control switch 12 is conducted, and the power supply 90 is communicated with the heating assembly 11.
The temperature begins to reduce after the refrigerator refrigerates, when the first temperature-controlled switch 12 reaches the first reset temperature, the first bimetal 121 deforms and breaks away from the first stationary contact 122 and is disconnected from the first stationary contact 122, at this time, the first temperature-controlled switch 12 is disconnected, the power supply 90 is disconnected from the heating assembly 11, and the heating assembly 11 stops heating.
In some alternative embodiments, the second temperature control switch 13 may include a snap-action temperature control switch, and the snap-action temperature control switch includes a second bimetallic strip and a second stationary contact, the second stationary contact is used for connecting the power source 90, and the second bimetallic strip is used for connecting the working assembly. When the second bimetallic strip reaches the second action temperature, the second bimetallic strip deforms and is communicated with the second stationary contact. When the second bimetallic strip reaches the second reset temperature, the second bimetallic strip deforms to be disconnected with the second stationary contact.
Taking the example of a thermostat for a refrigerator, the working components may include a compressor 80. The working principle is that the temperature control switch is arranged inside the refrigerator, the first temperature control switch 12 can sense the temperature inside the refrigerator, when the temperature is higher and reaches a first action temperature, the first bimetal piece 121 deforms and is communicated with the first stationary contact 122 in a contact mode, so that current is conducted, at the moment, the first temperature control switch 12 is conducted, and the power supply 90 is communicated with the heating assembly 11. When the heating assembly 11 is powered on to start heating to generate heat, the temperature of the second temperature control switch 13 arranged beside the heating assembly 11 starts to rise. When the temperature of the second bimetal reaches a second action temperature, the second bimetal deforms and is in contact communication with the second stationary contact, so that the current is conducted, at the moment, the second temperature control switch 13 is conducted, the power supply 90 is communicated with the working assembly, the compressor 80 starts to work, and the refrigerator starts to refrigerate.
The temperature begins to reduce after the refrigerator refrigerates, when the first temperature-controlled switch 12 reaches the first reset temperature, the first bimetal 121 deforms and breaks away from the first stationary contact 122 and is disconnected from the first stationary contact 122, at this time, the first temperature-controlled switch 12 is disconnected, the power supply 90 is disconnected from the heating assembly 11, and the heating assembly 11 stops heating. Due to the fact that the temperature inside the refrigerator is reduced and the heating influence of the heating assembly 11 is not caused, the temperature change of the second temperature control switch 13 is large, when the second bimetal sheet reaches the second reset temperature, the second bimetal sheet is deformed to be separated from the second stationary contact and disconnected from the second stationary contact, at the moment, the second temperature control switch 13 is disconnected, the power supply 90 is disconnected from the working assembly, and therefore the compressor 80 stops refrigerating. After the temperature rises again, the process is repeated, and the automatic circulation refrigeration of the refrigerator can be realized.
It can be understood that the first action temperature is lower than the second action temperature, so that the first temperature control switch is firstly conducted, the heating assembly is conducted with the power supply to start heating, and the second temperature control switch is conducted again to start refrigerating the compressor. The first reset temperature is less than or equal to the second reset temperature. That is, the first temperature control switch is turned off first, so that the heating component stops heating, and the second temperature control switch is turned off again, so that the compressor stops refrigerating. Or the first temperature control switch and the second temperature control switch are disconnected after reaching the reset temperature simultaneously, the heating assembly is disconnected, and the compressor stops refrigerating at the same time.
In some alternative embodiments, the specific bending of the first bimetallic strip 121 is greater than the specific bending of the second bimetallic strip. As can be appreciated, the specific bending of the first bimetal 121 is greater than the specific bending of the second bimetal, the first bimetal may pass a lower current and the second bimetal may pass a higher current. The first bimetal sheet has low current and power, does not need snap deformation, can freely change shape along with temperature, is sensitive to temperature change, and has high sensitivity and high fineness. The second bimetallic strip has a relatively high current and temperature and is capable of supporting the current required for starting the compressor of the working assembly. Therefore, whether the heating wire is switched on or not is controlled through the first temperature control switch only capable of passing a small current, and the second temperature control switch capable of passing a large current is controlled to be switched on or off under the influence of the heating wire, so that the purpose of controlling a high-power load is achieved.
With continued reference to fig. 1, the embodiment of the present disclosure further provides a refrigeration circuit, which includes a power supply 90, a compressor (i.e., a working component), and a temperature control switch, where the power supply 90 is connected to the compressor, a first end of the second temperature control switch 13 is connected to the power supply 90, and a second end of the second temperature control switch 13 is connected to the compressor 80. The second end of the heating component 11 and the second end of the first temperature control switch 12 are both connected to the power supply 90. It should be noted that the descriptions about the temperature-controlled switch in the above embodiments and embodiments are also applicable to the refrigeration circuit of the present embodiment. Alternatively, the power supply 90 may be an alternating current power supply. It will be appreciated that the power supply 90, the heating assembly 11 and the first temperature controlled switch 12 comprise a first circuit. The power supply 90, the compressor 80 and the second temperature control switch 13 constitute a second circuit.
The embodiment of the disclosure also provides a refrigeration device which comprises the refrigeration circuit of the embodiment. Optionally, the refrigeration device comprises a refrigerator, freezer, or the like.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice in the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. A temperature controlled switch, comprising: the temperature control device comprises a heating assembly, a first temperature control switch and a second temperature control switch, wherein a first end of the heating assembly is connected with a first end of the first temperature control switch, and a second end of the heating assembly and a second end of the first temperature control switch are both used for being connected with a power supply; the second temperature control switch is arranged beside the heating component, a first end of the second temperature control switch is used for being connected with the power supply, and a second end of the second temperature control switch is used for being connected with the working component;
when the first temperature control switch is conducted, the heating assembly is communicated with the power supply.
2. The temperature controlled switch of claim 1, wherein when the first temperature controlled switch reaches a first operating temperature, the first temperature controlled switch is turned on to place the power source in communication with the heating assembly; when the first temperature control switch reaches a first reset temperature, the first temperature control switch is disconnected so that the power supply is disconnected with the heating assembly;
when the second temperature control switch reaches a second action temperature, the second temperature control switch is conducted so as to enable the power supply to be communicated with the working assembly; and when the second temperature control switch reaches a second reset temperature, the second temperature control switch is disconnected so as to disconnect the power supply and the working assembly.
3. The temperature controlled switch of claim 2, wherein the first temperature controlled switch is a non-snap action temperature controlled switch, the first temperature controlled switch comprising a first bimetal and a first stationary contact, the first stationary contact being for connection to the power source, the first bimetal being connected to the heating element;
the first bimetal piece deforms along with the temperature change, and when the first bimetal piece reaches the first action temperature, the first bimetal piece is communicated with the first static contact; when the first bimetal reaches the first reset temperature, the first bimetal is disconnected from the first stationary contact.
4. The temperature controlled switch of claim 2, wherein the second temperature controlled switch comprises a snap-action temperature controlled switch, the snap-action temperature controlled switch comprising a second bimetallic strip and a second stationary contact, the second stationary contact being adapted to be coupled to the power source, the second bimetallic strip being adapted to be coupled to the working assembly;
when the second bimetallic strip reaches the second action temperature, the second bimetallic strip is deformed to be communicated with the second stationary contact; when the second bimetal sheet reaches the second reset temperature, the second bimetal sheet is deformed to be disconnected with the second stationary contact.
5. The temperature controlled switch of claim 2, wherein the first temperature controlled switch is a non-snap-action temperature controlled switch, the first temperature controlled switch comprises a first bimetal and a first stationary contact, the first stationary contact is used for connecting the power supply, and the first bimetal is connected with the heating assembly; when the first bimetal reaches the first action temperature, the first bimetal is communicated with the first static contact; when the first bimetal reaches the first reset temperature, the first bimetal is disconnected from the first stationary contact;
the second temperature control switch comprises a snap-through temperature control switch, the snap-through temperature control switch comprises a second bimetallic strip and a second stationary contact, the second stationary contact is used for connecting the power supply, and the second bimetallic strip is used for connecting the working assembly; when the second bimetallic strip reaches the second action temperature, the second bimetallic strip is deformed to be communicated with the second stationary contact; when the second bimetallic strip reaches the second reset temperature, the second bimetallic strip deforms to be disconnected with the second stationary contact.
6. The temperature controlled switch according to claim 5, wherein the specific bending of the first bimetal is larger than the specific bending of the second bimetal.
7. The temperature controlled switch of claim 2, wherein the first actuation temperature is less than the second actuation temperature; and/or
The first reset temperature is less than or equal to the second reset temperature.
8. The temperature controlled switch of claim 1, wherein the heating assembly comprises a heating wire.
9. A refrigeration circuit comprising a power source, a compressor, and the temperature controlled switch of any one of claims 1 to 8, wherein the power source is connected to the compressor, a first terminal of the second temperature controlled switch is connected to the power source, and a second terminal of the second temperature controlled switch is connected to the compressor; and the second end of the heating component and the second end of the first temperature control switch are both connected with the power supply.
10. A refrigeration appliance comprising a refrigeration circuit as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222743325.1U CN218333605U (en) | 2022-10-17 | 2022-10-17 | Temperature control switch, refrigeration circuit and refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222743325.1U CN218333605U (en) | 2022-10-17 | 2022-10-17 | Temperature control switch, refrigeration circuit and refrigeration equipment |
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| Publication Number | Publication Date |
|---|---|
| CN218333605U true CN218333605U (en) | 2023-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222743325.1U Active CN218333605U (en) | 2022-10-17 | 2022-10-17 | Temperature control switch, refrigeration circuit and refrigeration equipment |
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| Country | Link |
|---|---|
| CN (1) | CN218333605U (en) |
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- 2022-10-17 CN CN202222743325.1U patent/CN218333605U/en active Active
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