CN214891942U - Air conditioning system with chassis hot air heating function - Google Patents
Air conditioning system with chassis hot air heating function Download PDFInfo
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- CN214891942U CN214891942U CN202120135494.XU CN202120135494U CN214891942U CN 214891942 U CN214891942 U CN 214891942U CN 202120135494 U CN202120135494 U CN 202120135494U CN 214891942 U CN214891942 U CN 214891942U
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- heat exchanger
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- conditioning system
- way valve
- air conditioning
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Abstract
An air conditioning system with a chassis hot gas heating function comprises a chassis, an outdoor heat exchanger, an indoor heat exchanger and an electronic expansion valve; the indoor heat exchanger also comprises a plurality of heating pipes which are connected in parallel, wherein one ends of the plurality of heating pipes are connected to one end of the indoor heat exchanger in parallel; the other ends of the heating pipes are connected to one end of the electronic expansion valve in parallel; and a plurality of heating pipes are arranged on the base plate. The method comprises the steps that a plurality of heating pipes which are connected in parallel are uniformly arranged on a base plate, and the plurality of heating pipes which are connected in parallel are connected in series between an outdoor heat exchanger and an indoor heat exchanger, so that a refrigerant of a main path of the air conditioner flows into the heating pipes to heat the base plate; the plurality of heating pipes connected in parallel are connected in series between the indoor heat exchanger and the electronic expansion valve, so that in the air-conditioning system in the heating mode, the refrigerant can be cooled before throttling, and the supercooling degree before throttling is improved.
Description
Technical Field
The utility model belongs to the technical field of the technique of the air conditioner defrosting and specifically relates to a take air conditioning system of chassis steam heating function is related to.
Background
Generally, when defrosting is performed in winter by using a low-temperature air source heat pump, a large amount of frost water is generated and falls onto a chassis of an outdoor unit, and the frost water is frozen again when meeting the cold chassis, so that the frost water cannot be smoothly discharged and is accumulated on the chassis. At present, there is low temperature air source heat pump to use the electrical heating to give the chassis heating in the market, but, heating method efficiency is lower, and effectual heating area is less to, the electrical heating reliability is lower, can produce the electrical heating dry combustion method, arouses chassis high temperature, takes place the incident.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art, the utility model aims to provide a take air conditioning system of chassis steam heating function.
In order to achieve the purpose, the utility model provides an air conditioning system with a chassis hot gas heating function, which comprises a chassis, an outdoor heat exchanger, an indoor heat exchanger and an electronic expansion valve; the indoor heat exchanger also comprises a plurality of heating pipes which are connected in parallel, wherein one ends of the plurality of heating pipes are connected to one end of the indoor heat exchanger in parallel; the other ends of the heating pipes are connected to one end of the electronic expansion valve in parallel; a plurality of heating pipes are arranged on the base plate; and one end of the outdoor heat exchanger is connected with the other end of the electronic expansion valve.
Furthermore, a plurality of heating pipes are uniformly distributed on the base plate.
Further, a compressor is also included.
The outdoor heat exchanger comprises a compressor, an outdoor heat exchanger, a compressor, a four-way valve and a heat exchanger, wherein the four-way valve comprises an interface A, an interface B, an interface C and an interface D, the interface A is connected to the output end of the compressor, the interface B is connected to the other end of the outdoor heat exchanger, the interface C is connected to the input end of the compressor, and the interface D is connected to the other end of the indoor heat exchanger.
And the two ends of the gas-liquid separator are respectively connected between the C interface of the four-way valve and the input end of the compressor.
And further, the air conditioner runs a heating cycle, the four-way valve is electrified, an interface A of the four-way valve is communicated with an interface D of the four-way valve, and an interface B of the four-way valve is communicated with an interface C of the four-way valve.
And further, the air conditioner runs a refrigeration cycle, the four-way valve is powered off, wherein an interface A of the four-way valve is connected with an interface B, and an interface C of the four-way valve is communicated with an interface D.
Further, the heating pipe is a copper pipe.
Further, the outdoor heat exchanger also comprises an outdoor fan, and the outdoor fan is arranged on one side of the outdoor heat exchanger.
Further, the outdoor heat exchanger is a tube fin heat exchanger.
The utility model has the advantages that: the method comprises the steps that a plurality of heating pipes which are connected in parallel are uniformly arranged on a base plate, and the plurality of heating pipes which are connected in parallel are connected in series between an outdoor heat exchanger and an indoor heat exchanger, so that a refrigerant of a main path of the air conditioner flows into the heating pipes to heat the base plate, the temperature of accumulated water of the base plate is kept above the freezing temperature of the water, and the accumulated water of the base plate is prevented from freezing; the plurality of heating pipes connected in parallel are connected in series between the indoor heat exchanger and the electronic expansion valve, so that in an air conditioning system in a heating mode, a refrigerant can be cooled before throttling, the supercooling degree before throttling is improved, the evaporation enthalpy difference value is improved, and the heating capacity of a unit is further improved.
Drawings
Fig. 1 is a schematic diagram of an air conditioning system.
The system comprises a compressor 1, a four-way valve 2, an outdoor heat exchanger 3, an outdoor fan 31, a chassis 4, a heating pipe 5, an electronic expansion valve 6, an indoor heat exchanger 7 and a gas-liquid separator 8.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1, in this embodiment, an air conditioning system with a chassis hot gas heating function includes an outdoor heat exchanger 3, an outdoor fan 31, an indoor heat exchanger 7, a four-way valve 2, a compressor 1, a gas-liquid separator 8, and six heating pipes 5, where the four-way valve 2 includes an interface a, an interface B, an interface C, and an interface D, where the interface a is connected to an output end of the compressor 1, the interface B is connected to the other end of the outdoor heat exchanger 3, the interface C is connected to an input end of the gas-liquid separator 8, and the interface D is connected to one end of the indoor heat exchanger 7; the output end of the gas-liquid separator 8 is connected to the input end of the compressor 1; one end of the electronic expansion valve 6 is the other end of the outdoor heat exchanger 3. Six heating pipes 5 are evenly arranged on the base plate 4, one ends of the six heating pipes 5 are connected to the other end of the indoor heat exchanger 7 in parallel, and the other ends of the six heating pipes 5 are connected to the other end of the electronic expansion valve 6 in parallel. In the present embodiment, the heating pipe 5 is a copper pipe. The outdoor fan 31 is disposed at one side of the outdoor heat exchanger 3. In the present embodiment, the outdoor heat exchanger 3 is a tube-fin heat exchanger.
In the embodiment, when the air conditioner runs a heating cycle, the four-way valve 2 is powered on, wherein the interface A of the four-way valve 2 is communicated with the interface D, and the interface B of the four-way valve 2 is communicated with the interface C; when the air conditioner runs a refrigeration cycle, the four-way valve 2 is powered off, wherein an interface A of the four-way valve 2 is connected with an interface B, and an interface C of the four-way valve 2 is communicated with an interface D.
In this embodiment, when the air conditioner performs a refrigeration cycle defrosting operation, the four-way valve 2 is powered off, and at this time, a high-temperature and high-pressure refrigerant flowing out of the compressor 1 flows to the outdoor heat exchanger 3 through the a-B interface of the four-way valve 2, and then the refrigerant is condensed in the outdoor heat exchanger 3 to release heat. The high-temperature and high-pressure refrigerant after heat release by condensation flows to the electronic expansion valve to be cooled and depressurized, then flows into the six heating pipes 5 from the electronic expansion valve 6 respectively, and the refrigerant exchanges heat with accumulated water of the chassis 4 through the heating pipes 5, wherein the refrigerant is condensed to release heat, so that the accumulated water of the chassis 4 can be heated to a temperature higher than the freezing temperature of the water, and the accumulated water of the chassis 4 is prevented from freezing. The refrigerant releases heat in the heating pipe 5 and then is cooled to a low temperature. The low-temperature and low-pressure refrigerants respectively flowing out of the six heating pipes 5 flow to the indoor heat exchanger 7 to be evaporated and absorb heat, and then the evaporated and heat-absorbed refrigerants flow to the input end of the compressor 1 through the gas-liquid separator 8, so that the refrigeration cycle is completed. At this time, the outdoor fan 31 is started, and the defrosting efficiency of the air conditioner is accelerated by operating the outdoor fan 31.
In this embodiment, when the air conditioner operates a heating cycle, the four-way valve 2 is energized, and at this time, the high-temperature and high-pressure refrigerant flowing out of the compressor 1 flows to the indoor heat exchanger 7 through the a-D interface of the four-way valve 2, and then the refrigerant is condensed in the indoor heat exchanger 7 to generate heat. The high-temperature and high-pressure refrigerant after condensation and heat release flows into the six heating pipes 5 respectively, and the high-temperature refrigerant heats accumulated water of the chassis 4 through the heating pipes 5 to prevent the accumulated water from freezing; the refrigerant is condensed in the heating pipe 5 to release heat so as to reduce the temperature, so that the supercooling degree of the air conditioning system which operates for heating can be improved before the refrigerant flows to the electronic expansion valve 6 for throttling. The cooled refrigerants respectively flowing out of the six heating pipes 5 flow to the electronic expansion valve 6 for throttling, and the throttled refrigerants sequentially flow to the input end of the compressor 1 through the outdoor heat exchanger 3, the C-B interface of the four-way valve 2 and the gas-liquid separator 8.
The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make many changes, modifications, and equivalents of the embodiments of the invention without departing from the scope of the invention. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.
Claims (10)
1. The utility model provides a take air conditioning system of chassis steam heating function, includes chassis (4), outdoor heat exchanger (3), indoor heat exchanger (7) and electronic expansion valve (6), its characterized in that: the indoor heat exchanger also comprises a plurality of heating pipes (5) which are connected in parallel, wherein one ends of the plurality of heating pipes (5) are connected to one end of the indoor heat exchanger (7) in parallel; the other ends of the heating pipes (5) are connected to one end of the electronic expansion valve (6) in parallel; a plurality of heating pipes (5) are arranged on the base plate (4); one end of the outdoor heat exchanger (3) is connected with the other end of the electronic expansion valve (6).
2. An air conditioning system with hot air heating function of chassis according to claim 1, characterized in that: the heating pipes (5) are uniformly distributed on the base plate (4).
3. An air conditioning system with hot air heating function of chassis according to claim 1, characterized in that: also comprises a compressor (1).
4. An air conditioning system with hot air heating function of chassis according to claim 3, characterized in that: the outdoor heat exchanger is characterized by further comprising a four-way valve (2), wherein the four-way valve (2) comprises an interface A, an interface B, an interface C and an interface D, the interface A is connected to the output end of the compressor (1), the interface B is connected to the other end of the outdoor heat exchanger (3), the interface C is connected to the input end of the compressor (1), and the interface D is connected to the other end of the indoor heat exchanger (7).
5. An air conditioning system with hot air heating function of chassis according to claim 4, characterized in that: the compressor further comprises a gas-liquid separator (8), and two ends of the gas-liquid separator (8) are respectively connected between the C interface of the four-way valve (2) and the input end of the compressor (1).
6. An air conditioning system with hot air heating function of chassis according to claim 4, characterized in that: and in the air-conditioning operation heating cycle, the four-way valve (2) is electrified, wherein an interface A of the four-way valve (2) is communicated with an interface D, and an interface B of the four-way valve (2) is communicated with an interface C.
7. An air conditioning system with hot air heating function of chassis according to claim 4, characterized in that: and (3) running a refrigeration cycle by an air conditioner, wherein the four-way valve (2) is powered off, an interface A of the four-way valve (2) is connected with an interface B, and an interface C of the four-way valve (2) is communicated with an interface D.
8. An air conditioning system with hot air heating function of chassis according to claim 1, characterized in that: the heating pipe (5) is a copper pipe.
9. An air conditioning system with hot air heating function of chassis according to claim 1, characterized in that: the outdoor heat exchanger also comprises an outdoor fan (31), wherein the outdoor fan (31) is arranged on one side of the outdoor heat exchanger (3).
10. An air conditioning system with hot air heating function of chassis according to claim 1, characterized in that: the outdoor heat exchanger (3) is a tube fin heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120135494.XU CN214891942U (en) | 2021-01-19 | 2021-01-19 | Air conditioning system with chassis hot air heating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120135494.XU CN214891942U (en) | 2021-01-19 | 2021-01-19 | Air conditioning system with chassis hot air heating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214891942U true CN214891942U (en) | 2021-11-26 |
Family
ID=78862054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120135494.XU Active CN214891942U (en) | 2021-01-19 | 2021-01-19 | Air conditioning system with chassis hot air heating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214891942U (en) |
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2021
- 2021-01-19 CN CN202120135494.XU patent/CN214891942U/en active Active
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