CN219120667U - Low-temperature refrigeration control device - Google Patents
Low-temperature refrigeration control device Download PDFInfo
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- CN219120667U CN219120667U CN202320153554.XU CN202320153554U CN219120667U CN 219120667 U CN219120667 U CN 219120667U CN 202320153554 U CN202320153554 U CN 202320153554U CN 219120667 U CN219120667 U CN 219120667U
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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
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Abstract
The utility model relates to the technical field of air conditioner refrigeration, in particular to a low-temperature refrigeration control device, which comprises an outer machine component arranged on the outer wall of a wall body and an inner machine component arranged on the inner wall of the wall body, wherein the outer machine component and the inner machine component are connected through a refrigerant pipeline, the inner machine component is provided with a control main board, the low-temperature refrigeration control device further comprises an air pump for introducing outdoor air into a room, the input end of the air pump is provided with an air suction pipeline, the air suction pipeline extends to the outside through the wall body, the output end of the air pump is provided with an air outlet pipeline, the air pump is electrically connected with the control main board, the inner machine component is provided with an indoor temperature sensor, the outer machine component is provided with an outdoor temperature sensor, and the indoor temperature sensor and the outdoor temperature sensor are electrically connected with the control main board.
Description
Technical Field
The utility model relates to the technical field of air conditioner refrigeration, in particular to a low-temperature refrigeration control device.
Background
An air conditioner is basic refrigeration equipment, generally works under the condition that the temperature difference between indoor and outdoor environments is not large, but in the practical application process, a plurality of special refrigeration environments exist, the outdoor temperature is very low, and the outdoor temperature is higher, for example, special scenes such as a high-power machine room and an outdoor program-controlled exchange machine room are provided, when the indoor is refrigerated under the special conditions, if the compressor is directly adopted for refrigeration, the power consumption is large, and the development of the environment-friendly concept is unfavorable.
Disclosure of Invention
In view of the above problems, an object of the present utility model is to: the low-temperature refrigeration control device can be used for reducing the temperature of the outside cold air in a room by using the air pump under the conditions of high indoor temperature and large outdoor temperature difference, and then enables the compressor to perform deep refrigeration, so that the purposes of energy conservation and emission reduction are achieved.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a low temperature refrigeration controlling means, includes the outer machine subassembly of installing at the wall body outer wall and installs the inner unit subassembly at the wall body inner wall, be connected through the refrigerant pipeline between outer machine subassembly and the inner unit subassembly, be provided with the control mainboard on the inner unit subassembly, still including being used for outdoor air to introduce indoor air pump, the input of air pump is provided with the exhaust pipeline, the exhaust pipeline runs through the wall body and extends to outdoor, the output of air pump is provided with the air-out pipeline, the output and the inner unit subassembly intercommunication of air-out pipeline, air pump and control mainboard electric connection, be provided with indoor temperature sensor on the inner unit subassembly, be provided with outdoor temperature sensor on the outer machine subassembly, indoor temperature sensor and outdoor temperature sensor all with control mainboard electric connection.
The beneficial effects of the utility model are as follows: when the air conditioner cools the indoor, firstly, the indoor temperature sensor and the outdoor temperature sensor can transmit indoor and outdoor temperature signals to the control main board, if the control main board detects that the temperature difference between the indoor and the outdoor is large, the control main board only starts the air pump to pump external cold air into the indoor, so that the indoor cooling is realized, and when the control main board detects that the temperature difference between the indoor and the outdoor is close or equal, the compressor is started to further cool the indoor, so that the purposes of energy conservation and emission reduction are realized.
In order to enable the outer housing cover to timely dissipate heat of the refrigerant in the refrigerant pipeline.
As a further improvement of the above technical scheme: the outer unit comprises an outer shell cover fixedly connected to the outer wall of the wall body, a compressor used for compressing refrigerant and capable of providing power for refrigerant circulation is installed in the outer shell cover, and a heat dissipation fan used for cooling the refrigerant in the refrigerant pipeline is also installed in the outer shell cover.
The beneficial effects of this improvement are: the heat dissipation device can compress the refrigerant in the refrigerant pipeline, so that the gaseous refrigerant is compressed into a high-temperature high-pressure liquid state, and the heat dissipation device can dissipate heat of the compressed refrigerant.
In order to enable the inner machine assembly to further refrigerate the air discharged from the air pump.
As a further improvement of the above technical scheme: the inner unit comprises an inner machine shell cover, the control main board and the indoor temperature sensor are both arranged on the outer side wall of the inner machine shell cover, a heat exchange chamber is arranged in the inner machine shell cover, the air outlet pipeline extends to the lower part of the heat exchange chamber, an air outlet is formed in the upper part of the heat exchange chamber, and an exhaust valve is arranged at the bottom of the inner machine shell cover and is electrically connected with the control main board.
The beneficial effect of this improvement: the air pump discharges air into the heat exchange chamber, and the refrigerant in the refrigerant pipeline inside the outer shell cover flows to the refrigerant pipeline inside the heat exchange chamber before passing through a capillary tube (not shown in the figure) or a cut-off depressurization valve, so that the refrigerant is changed from a liquid state to a gas state to absorb heat, and the heat in the heat exchange chamber is absorbed, thereby cooling the air in the heat exchange chamber.
In order to avoid the blockage of the exhaust pipeline, dust prevention can be performed at the same time.
As a further improvement of the technical scheme, the input end of the air suction pipeline is provided with a flaring, and the input end of the air suction pipeline is provided with a dust screen.
The beneficial effects of this improvement are: dust in the air can be avoided entering into exhaust duct by the dust screen, and the flaring sets up, can avoid exhaust duct to block up as far as possible.
In order to enable protection of the control motherboard and the indoor temperature sensor.
As a further improvement of the scheme, a protective cover for protecting the control main board and the indoor temperature sensor is fixedly connected to the front side wall of the inner casing cover.
The beneficial effect of this improvement: the protection casing can protect control mainboard and indoor temperature sensor.
In order to make the temperature exchange effect of the heat exchange chamber better.
As a further improvement of the above, the portion of the refrigerant pipe inside the heat exchange chamber is continuously S-coiled.
The beneficial effect of this improvement: the refrigerant pipeline inside the heat exchange chamber is coiled in an S shape, so that the contact area between the refrigerant pipeline and air can be sufficiently increased, and the refrigerating effect is better.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an isometric view of the present utility model;
FIG. 3 is a cross-sectional view of the present utility model;
FIG. 4 is a cross-sectional view of the outer machine assembly of the present utility model;
fig. 5 is an enlarged schematic view of fig. 3 a in accordance with the present utility model.
In the figure: 1. a wall body; 2. an external machine component; 201. a compressor; 202. an outer housing; 203. a heat radiation fan; 3. a refrigerant pipe; 301. an inner housing; 302. a protective cover; 303. a control main board; 304. an indoor temperature sensor; 305. a heat exchange chamber; 306. an exhaust valve; 307. an air outlet; 4. an internal machine component; 401. an air pump; 402. an air draft pipeline; 403. an air outlet pipeline; 404. an outdoor temperature sensor; 405. a dust-proof net.
Detailed Description
In order that those skilled in the art may better understand the technical solutions of the present utility model, the following detailed description of the present utility model with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present utility model.
As shown in fig. 1 to 5, a low-temperature refrigeration control device comprises an outer unit 2 installed on the outer wall of a wall body 1 and an inner unit 4 installed on the inner wall of the wall body 1, wherein the outer unit 2 and the inner unit 4 are connected through a refrigerant pipeline 3, a control main board 303 is arranged on the inner unit 4, an air pump 401 for introducing outdoor air into a room is further arranged, an air suction pipeline 402 is arranged at the input end of the air pump 401, the air suction pipeline 402 extends to the outside through the wall body 1, an air outlet pipeline 403 is arranged at the output end of the air pump 401, the output end of the air outlet pipeline 403 is communicated with the inner unit 4, the air pump 401 is electrically connected with the control main board 303, an indoor temperature sensor 304 is arranged on the inner unit 4, an outdoor temperature sensor 404 is arranged on the outer unit 2, the indoor temperature sensor 304 and the outdoor temperature sensor 404 are electrically connected with the control main board 303, when the air conditioner cools the indoor, firstly the indoor temperature sensor 304 and the outdoor temperature sensor 404 can transmit indoor and outdoor temperature signals to the control main board 303, if the control main board 303 detects that the temperature difference between the indoor and the outdoor is larger, the air pump 401 is only started to pump external cold air into the indoor, so as to cool the indoor, when the control main board 303 detects that the temperature difference between the indoor and the outdoor is close or equal, the compressor 201 is started to further cool the indoor, thereby achieving the purposes of energy conservation and emission reduction, the outer machine component 2 comprises an outer machine housing 202 fixedly connected with the outer wall of the wall body 1, the inner part of the outer machine housing 202 is provided with the compressor 201 which is used for compressing the refrigerant and can provide power for the refrigerant circulation, the inside of the outer housing 202 is also provided with a heat dissipation fan 203 for cooling the refrigerant in the refrigerant pipeline 3, the compressor 201 can compress the refrigerant in the refrigerant pipeline 3, so that the gaseous refrigerant is compressed into a high-temperature high-pressure liquid state, at this time, the heat dissipation fan 203 can dissipate heat of the compressed refrigerant, the inner unit 4 comprises an inner housing 301, the control main board 303 and the indoor temperature sensor 304 are both arranged on the outer side wall of the inner housing 301, the inner housing 301 is internally provided with a heat exchange chamber 305, the air outlet pipeline 403 extends to the lower part of the heat exchange chamber 305, the upper part of the heat exchange chamber 305 is provided with an air outlet 307, the bottom of the inner housing 301 is provided with an air exhaust valve 306, the air exhaust valve 306 is electrically connected with the control main board 303, the air pump 401 discharges air into the heat exchange chamber 305, the refrigerant in the refrigerant pipeline 3 inside the outer housing 202 flows to the refrigerant pipeline 3 inside the heat exchange chamber 305 before passing through a capillary tube (not shown in the figure) or the interception depressurization of a shutoff valve, the liquid state is changed into the gas state to absorb heat, the heat inside the heat exchange chamber 305 is absorbed, the air inside the heat exchange chamber 305 is cooled, the input end of the air suction pipeline 402 is provided with a flaring, the input end of the air suction pipeline 402 is provided with a dustproof screen 405, the dustproof screen 405 can prevent dust in the air from entering the air suction pipeline 402, the flaring is arranged, the blockage of the air suction pipeline 402 can be avoided as much as possible, the front side wall of the inner housing 301 is fixedly connected with a protective cover 302 for protecting the control main board 303 and the indoor temperature sensor 304, the protective cover 302 can protect the control main board 303 and the indoor temperature sensor 304, the part of the refrigerant pipeline 3 positioned in the heat exchange chamber 305 is coiled in a continuous S shape, and the contact area between the refrigerant pipeline 3 positioned in the heat exchange chamber 305 and air can be sufficiently increased by coiling in the S shape, so that the refrigerating effect is better.
The working principle of the utility model is as follows: the utility model is characterized in that when the external temperature is lower and the indoor temperature is higher, the temperature difference is larger, the main board 303 is controlled to start the air pump 401 to discharge the external air into the room to realize the reduction of the indoor temperature when the temperature difference is larger through the outdoor temperature sensor 404 and the indoor temperature sensor 304, the heat absorption of the refrigerant is realized by changing the liquid state into the gas state, the heat in the heat exchange room 305 is absorbed, the air in the heat exchange room 305 is cooled, the air in the heat exchange room 305 is discharged from the exhaust valve 306 of the inner shell cover 301 after passing through the heat, the utility model has the innovation point that when the external temperature is lower and the indoor temperature is higher, the judgment is made on the temperature signal transmitted by the indoor refrigeration, the main board 303 is controlled to start the air pump 401 to realize the reduction of the indoor temperature when the indoor temperature is close to or equal, the main board 303 is controlled to realize the further cooling of the indoor temperature, and the main board 201 is controlled to further realize the cooling of the compressor 201,
it should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. The foregoing is merely illustrative of the preferred embodiments of the utility model, and it is noted that there is virtually no limit to the specific structure which may be imposed by those skilled in the art without departing from the spirit of the utility model, and that modifications, adaptations, or variations of the foregoing features may be combined in a suitable manner; such modifications, variations and combinations, or applications of the concepts and aspects of the utility model in other applications without modification, are contemplated as falling within the scope of the utility model.
Claims (6)
1. The utility model provides a low temperature refrigeration controlling means, includes outer machine subassembly (2) of installing at wall body (1) outer wall and installs interior machine subassembly (4) at wall body (1) inner wall, connect through refrigerant pipeline (3) between outer machine subassembly (2) and interior machine subassembly (4), be provided with control mainboard (303) on interior machine subassembly (4), its characterized in that: still including being used for outdoor air to introduce indoor air pump (401), the input of air pump (401) is provided with extraction line (402), extraction line (402) run through wall body (1) and extend to outdoor, the output of air pump (401) is provided with air-out pipeline (403), the output and the interior unit (4) intercommunication of air-out pipeline (403), air pump (401) and control mainboard (303) electric connection, be provided with indoor temperature sensor (304) on interior unit (4), be provided with outdoor temperature sensor (404) on outer unit (2), indoor temperature sensor (304) and outdoor temperature sensor (404) all with control mainboard (303) electric connection.
2. The cryogenic refrigeration control device of claim 1, wherein: the outdoor unit assembly (2) comprises an outdoor unit housing (202) fixedly connected to the outer wall of the wall body (1), a compressor (201) used for compressing refrigerant and capable of providing power for refrigerant circulation is installed in the outdoor unit housing (202), and a heat dissipation fan (203) used for cooling the refrigerant in the refrigerant pipeline (3) is also installed in the outdoor unit housing (202).
3. The cryogenic refrigeration control device of claim 1, wherein: the inner machine assembly (4) comprises an inner machine shell cover (301), wherein the control main board (303) and an indoor temperature sensor (304) are both arranged on the outer side wall of the inner machine shell cover (301), a heat exchange chamber (305) for containing a refrigerant pipeline (3) is arranged in the inner machine shell cover (301), an air outlet pipeline (403) extends to the lower part of the heat exchange chamber (305), an air outlet (307) is formed in the upper part of the heat exchange chamber (305), and an air exhaust valve (306) is arranged at the bottom of the inner machine shell cover (301) and is electrically connected with the control main board (303).
4. The cryogenic refrigeration control device of claim 1, wherein: the input end of the air suction pipeline (402) is provided with a flaring, and the input end of the air suction pipeline (402) is provided with a dust screen (405).
5. A cryogenic refrigeration control apparatus as recited in claim 3, wherein: and a protective cover (302) for protecting the control main board (303) and the indoor temperature sensor (304) is fixedly connected to the front side wall of the inner casing cover (301).
6. A cryogenic refrigeration control apparatus as recited in claim 3, wherein: the refrigerant pipe (3) is coiled in a continuous S shape at the position of the inner part of the heat exchange chamber (305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320153554.XU CN219120667U (en) | 2023-02-08 | 2023-02-08 | Low-temperature refrigeration control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320153554.XU CN219120667U (en) | 2023-02-08 | 2023-02-08 | Low-temperature refrigeration control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219120667U true CN219120667U (en) | 2023-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320153554.XU Active CN219120667U (en) | 2023-02-08 | 2023-02-08 | Low-temperature refrigeration control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219120667U (en) |
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2023
- 2023-02-08 CN CN202320153554.XU patent/CN219120667U/en active Active
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