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CN221684835U - Refrigerating equipment with heat exchanger - Google Patents

Refrigerating equipment with heat exchanger Download PDF

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Publication number
CN221684835U
CN221684835U CN202323429116.0U CN202323429116U CN221684835U CN 221684835 U CN221684835 U CN 221684835U CN 202323429116 U CN202323429116 U CN 202323429116U CN 221684835 U CN221684835 U CN 221684835U
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CN
China
Prior art keywords
pipeline
heat exchanger
throttle valve
evaporator
heat
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Active
Application number
CN202323429116.0U
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Chinese (zh)
Inventor
陈学辉
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Fuzhou Rongqixin Refrigeration Equipment Co ltd
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Fuzhou Rongqixin Refrigeration Equipment Co ltd
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Priority to CN202323429116.0U priority Critical patent/CN221684835U/en
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Publication of CN221684835U publication Critical patent/CN221684835U/en
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Abstract

The utility model relates to a refrigeration device with a heat exchanger, which is characterized in that: the refrigeration pipeline sequentially comprises a compressor, a condenser, a throttle valve and an evaporator, wherein the throttle valve is connected with a throttle valve temperature sensing bulb, the throttle valve temperature sensing bulb is sleeved on a second pipeline between the outlet end of the evaporator and the inlet end of the compressor and used for sensing the temperature of the second pipeline, a heat exchanger is arranged on a first pipeline between the outlet end of the condenser and the inlet end of the throttle valve, the heat exchanger is also arranged on the second pipeline and positioned on a first pipeline section between the outlet end of the evaporator and the throttle valve temperature sensing bulb, and the heat exchanger exchanges the cold and the heat of the first pipeline and the first pipeline section; the refrigeration equipment with the heat exchanger is reasonable in design, is favorable for converging the overall temperature of the evaporator, and improves the refrigeration effect.

Description

Refrigerating equipment with heat exchanger
Technical field:
the utility model relates to refrigeration equipment with a heat exchanger.
The background technology is as follows:
the refrigerating equipment is mainly used for refrigerating food, refrigerating various cargoes and regulating the temperature of cabin air in summer and mainly comprises a compressor, an expansion valve, an evaporator, a condenser, accessories and pipelines; according to the working principle, the system can be divided into compression refrigeration equipment, absorption refrigeration equipment, steam injection refrigeration equipment, heat pump refrigeration equipment, an electric heating refrigeration device and the like.
The most common application today is compression refrigeration equipment, which removes heat from objects and their surroundings through the equipment's duty cycle, creating and maintaining a certain low temperature state, with the refrigerants currently used being predominantly freon and ammonia.
However, the existing compression refrigeration equipment is unreasonable in design, so that the overall temperature of the evaporator is uneven, namely, the temperature near the inlet end of the evaporator is lower, and the temperature near the outlet end of the evaporator is higher (as shown in fig. 1), thereby affecting the overall refrigeration effect.
At present, the Chinese patent 'air-conditioning refrigeration equipment water system' is searched, and publication number CN202630505U comprises an air-conditioning water subsystem and a hot water subsystem; the air conditioning water subsystem comprises a user side heat exchanger of air conditioning refrigeration equipment, an air conditioning water circulating pump, air conditioning equipment and a first check valve, wherein the water side inlet end of the user side heat exchanger is connected with the water side outlet end of the user side heat exchanger through a first hundred and zero three pipelines, a first check valve outlet end, a first check valve inlet end, an air conditioning water circulating pump outlet end, an air conditioning water circulating pump inlet end, a first hundred and zero two pipelines, an air conditioning equipment outlet end, an air conditioning equipment inlet end and a first hundred and zero one pipeline in sequence; the hot water subsystem comprises a hot water heater, a domestic hot water heater and a hot water circulating water pump of air conditioning refrigeration equipment, and the heat exchange capacity of the heat exchanger can be effectively utilized to meet domestic hot water, refrigeration and heating requirements of users, so that the hot water cooling system is simple in structure, reliable in work and low in cost; but it cannot solve the problems of non-uniformity of the whole evaporator and poor refrigerating effect.
The invention comprises the following steps:
In view of the above problems, the present utility model aims to provide a refrigeration device with a heat exchanger, which has reasonable design, is beneficial to converging the overall temperature of an evaporator and improves the refrigeration effect.
The technical scheme of the utility model is as follows:
The utility model sequentially comprises a compressor, a condenser, a throttle valve and a refrigerating pipeline of the evaporator, wherein the throttle valve is connected with a throttle valve temperature sensing bag, the throttle valve temperature sensing bag is sleeved on a second pipeline between the outlet end of the evaporator and the inlet end of the compressor and used for sensing the temperature of the second pipeline, a heat exchanger is arranged on a first pipeline between the outlet end of the condenser and the inlet end of the throttle valve, the heat exchanger is also arranged on the second pipeline and positioned on a first pipeline between the outlet end of the evaporator and the throttle valve temperature sensing bag, and the heat exchanger exchanges the cold and the hot of the first pipeline and the first pipeline.
Preferably, the first pipeline is connected with a liquid storage barrel, a drying filter, a liquid viewing mirror and an electromagnetic valve in series.
Preferably, the heat exchanger is a heat-conducting fin which is arranged in a roundabout manner, and the heat-conducting fin exchanges and conducts the heat of the first pipeline and the heat of the first pipeline section.
Preferably, the temperature of the evaporator is-25 ℃ and the superheat degree is 10 ℃.
Preferably, the heat exchanger and the first pipeline contacted with the heat exchanger are arranged in the body of the evaporator, and the throttle valve, the throttle valve temperature sensing bulb and the pipelines of the throttle valve and the throttle valve temperature sensing bulb are arranged outside the body of the evaporator.
According to the working principle of the refrigeration equipment with the heat exchanger, the heat exchanger is arranged on the first pipeline between the outlet end of the condenser and the inlet end of the throttle valve, the heat exchanger is also arranged on the second pipeline and positioned between the outlet end of the evaporator and the throttle valve temperature sensing bag, the heat exchanger exchanges cold and heat between the first pipeline and the first pipeline, even if the refrigerant liquid in the first pipeline before the throttle valve is supercooled, the refrigerant mixed with low-temperature gas and liquid at the outlet of the evaporator (namely the first pipeline of the second pipeline) is absorbed by the heat exchanger, the overheat transition of the heat of the liquid supply is completed in the heat exchanger, the humidity of the refrigerant steam of the evaporator is improved, the refrigerating capacity of the evaporator is improved, and the integral refrigerating temperature of the evaporator is also facilitated to be ensured.
Description of the drawings:
The utility model is further described below with reference to the accompanying drawings;
FIG. 1 is a schematic block diagram of a prior art refrigeration appliance;
Fig. 2 is a schematic block diagram of the refrigeration appliance of the present utility model.
The specific embodiment is as follows:
the utility model is further described below with reference to the drawings and the detailed description.
The refrigeration equipment with the heat exchanger comprises a compressor 1, a condenser 2, a throttle valve 3 and a refrigeration pipeline of an evaporator 4 in sequence, wherein the heat exchanger 6 is arranged on a first pipeline 5 between the outlet end of the condenser 2 and the inlet end of the throttle valve 3 and close to the inlet end of the throttle valve 3, a second pipeline 7 between the outlet end of the evaporator 4 and the inlet end of the compressor 1 is also arranged on the heat exchanger 6, the heat exchanger exchanges cold and heat of the first pipeline and the second pipeline, the heat exchanger is a heat conducting sheet which is arranged in a roundabout way, the heat conducting sheet exchanges and conducts the cold and heat of the first pipeline and the second pipeline, and the heat exchanger is not communicated with the refrigeration liquid in the first pipeline 5 and the second pipeline 7 and is only mutually close to or sleeved to realize heat conduction.
The refrigeration equipment with the heat exchanger comprises a compressor 1, a condenser 2, a throttle valve 3 and a refrigeration pipeline of an evaporator 4 in sequence, wherein the throttle valve 3 is connected with a throttle valve bulb 12, the throttle valve bulb 12 is sleeved on a second pipeline 7 between the outlet end of the evaporator and the inlet end of the compressor for sensing the temperature of the second pipeline 7, a heat exchanger 6 is arranged on a first pipeline 5 between the outlet end of the condenser 2 and the inlet end of the throttle valve 3 and close to the inlet end of the throttle valve 3, and the heat exchanger is also arranged on the second pipeline and positioned on a first pipeline 71 between the outlet end of the evaporator and the throttle valve bulb, namely, one part of the heat exchanger 6 is in contact with the first pipeline 5, the other part of the heat exchanger is in contact with the first pipeline 71, and the heat exchanger exchanges heat between the first pipeline and the first pipeline 71.
The heat exchanger is a heat conducting fin which is arranged in a roundabout way, the heat conducting fin exchanges and conducts the cold and heat of the first pipeline 5 and the first pipe section 71, and the heat exchanger is not communicated with the first pipeline 5 and the refrigerating fluid in the first pipe section 71 and is only mutually close to or sleeved with the first pipeline 5 and the refrigerating fluid so as to realize heat exchange and conduction.
Wherein the first pipeline is also connected with a liquid storage barrel 8, a dry filter 9, a liquid viewing mirror 10 and an electromagnetic valve 11 in series.
As shown in fig. 2, the evaporator temperature is-25 degrees celsius, and the superheat degree is 10 degrees celsius.
According to the working principle of the refrigeration equipment with the heat exchanger, the heat exchanger is arranged on the first pipeline between the outlet end of the condenser and the inlet end of the throttle valve, the heat exchanger is also arranged on the second pipeline and positioned between the outlet end of the evaporator and the throttle valve temperature sensing bag, the heat exchanger exchanges cold and heat between the first pipeline and the first pipeline, even if the refrigerant liquid in the first pipeline before the throttle valve is supercooled, the refrigerant mixed with low-temperature gas and liquid at the outlet of the evaporator (namely the first pipeline of the second pipeline) is absorbed by the heat exchanger, the overheat transition of the heat of the liquid supply is completed in the heat exchanger, the humidity of the refrigerant steam of the evaporator is improved, the refrigerating capacity of the evaporator is improved, and the integral refrigerating temperature of the evaporator is also facilitated to be ensured.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical scheme of the present utility model and are not limiting; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.

Claims (5)

1. A refrigeration plant equipped with a heat exchanger, characterized in that: the refrigerating pipeline sequentially comprises a compressor, a condenser, a throttle valve and an evaporator, wherein a throttle valve temperature sensing bulb is connected to the throttle valve, the throttle valve temperature sensing bulb is sleeved on a second pipeline between the outlet end of the evaporator and the inlet end of the compressor to sense the temperature of the second pipeline, a heat exchanger is installed on a first pipeline between the outlet end of the condenser and the inlet end of the throttle valve, the heat exchanger is also installed on the second pipeline and positioned on a first pipeline between the outlet end of the evaporator and the throttle valve temperature sensing bulb, and the heat exchanger exchanges the heat of the first pipeline and the heat of the first pipeline.
2. The heat exchanger-added refrigeration appliance of claim 1, wherein: the first pipeline is connected with a liquid storage barrel, a drying filter, a liquid viewing mirror and an electromagnetic valve in series.
3. The heat exchanger-added refrigeration appliance of claim 2, wherein: the heat exchanger is a heat conducting fin which is arranged in a roundabout way, and the heat conducting fin exchanges and conducts the cold and heat of the first pipeline and the first pipeline section.
4. A refrigeration unit incorporating a heat exchanger as claimed in claim 3 wherein: the temperature of the evaporator is minus 25 ℃, and the superheat degree is 10 ℃.
5. The heat exchanger-added refrigeration appliance of claim 4, wherein: the heat exchanger and the first pipeline and the first pipe section contacted with the heat exchanger are arranged in the body of the evaporator, and the throttle valve, the throttle valve temperature sensing bulb and the pipelines of the throttle valve and the throttle valve temperature sensing bulb are arranged outside the body of the evaporator.
CN202323429116.0U 2023-12-15 2023-12-15 Refrigerating equipment with heat exchanger Active CN221684835U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323429116.0U CN221684835U (en) 2023-12-15 2023-12-15 Refrigerating equipment with heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323429116.0U CN221684835U (en) 2023-12-15 2023-12-15 Refrigerating equipment with heat exchanger

Publications (1)

Publication Number Publication Date
CN221684835U true CN221684835U (en) 2024-09-10

Family

ID=92627647

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323429116.0U Active CN221684835U (en) 2023-12-15 2023-12-15 Refrigerating equipment with heat exchanger

Country Status (1)

Country Link
CN (1) CN221684835U (en)

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