CN217482915U - Super wide ability cold-storage air conditioner - Google Patents
Super wide ability cold-storage air conditioner Download PDFInfo
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- CN217482915U CN217482915U CN202221366304.6U CN202221366304U CN217482915U CN 217482915 U CN217482915 U CN 217482915U CN 202221366304 U CN202221366304 U CN 202221366304U CN 217482915 U CN217482915 U CN 217482915U
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Abstract
The utility model belongs to the technical field of air conditioning equipment, a super-wide capacity cold accumulation air conditioner is related to, the outlet end of a compressor is connected with the inlet end of a condenser, the outlet end of the condenser is connected with the refrigerant inlet end of a heat exchanger, the refrigerant outlet end of the heat exchanger is connected with the inlet end of the compressor to form a cold accumulation circulation loop, the secondary refrigerant outlet end of the heat exchanger is respectively connected with the cold accumulator and the inlet end of a heat exchanger, the outlet ends of the cold accumulator and the heat exchanger are respectively connected with the secondary refrigerant inlet end of the heat exchanger to form a cold accumulation circulation loop, cold accumulation is carried out in idle time, corresponding operation modes are selected for cold discharge when different cold quantity demands are required, the refrigerant is compressed into high-temperature high-pressure gaseous state by the compressor, after passing through the condenser, the refrigerant is throttled into low-temperature low-pressure state by a throttle valve, enters the heat exchanger, and the refrigerant transfers the cold quantity to the secondary refrigerant, the secondary refrigerant transfers the cold energy to the second heat exchanger through different operation modes so as to realize refrigeration with different cold energies.
Description
The technical field is as follows:
the utility model belongs to the technical field of air conditioning equipment, concretely relates to super wide ability cold-storage air conditioner can not appear being difficult to or the unable situation that freezes.
Background art:
the ice storage is a mode of making water into ice, and the cold energy is stored by utilizing the phase change latent heat of the ice. Compared with chilled water storage, the same amount of cold is stored, and the volume required by ice storage is much smaller than that required by chilled water storage. The ice storage air conditioning technology adopts a refrigerator to refrigerate in the electricity consumption valley period, stores cold energy by utilizing the sensible heat or latent heat characteristic of a cold storage medium, and releases the stored cold energy in the electricity consumption peak period so as to meet the requirements of air conditioning or production processes of buildings.
According to the prior art, most cold accumulation systems adopt double-working-condition hosts, the same host performs refrigeration in the daytime and makes ice at night, so that the initial investment of the system is obviously reduced; the refrigeration host evaporator of small-size ice cold-storage system generally directly arranges in the cold-storage tank, because the evaporating coil export needs to possess the superheat degree, so, the exit is difficult to freeze, unable make full use of cold-storage tank, if need carry out the ability regulation of wide range, need a plurality of indoor heat exchangers, or need indoor heat exchanger to have the refrigerant pipe simultaneously, and is difficult to reach the regulation of 3 grades of ability ranges. For example, chinese patent 202021842647.6 discloses an ice thermal storage device, which includes: the ice cooling device comprises a groove body, a plurality of ice cooling grooves are arranged in the groove body, and the side walls of the ice cooling grooves are provided with a clean water filling port and a clean water outlet; a plurality of groups of heat exchange coil groups are arranged in the ice cold storage tank, and each heat exchange coil group comprises a plurality of heat exchange coils connected in parallel; the plurality of branch distribution pipes are arranged on the side wall of the ice cold storage tank in parallel, the heat exchange coil groups are correspondingly connected with the branch distribution pipes one by one, and the plurality of heat exchange coils are connected with the branch distribution pipes; the main distribution pipes are arranged in the ice cold storage tanks in a one-to-one correspondence mode, and the middle parts of the main distribution pipes are communicated with the branch distribution pipes; the general distribution pipe is provided with an ice cold storage agent inlet and an ice cold storage agent outlet, and the ice cold storage agent inlet and the ice cold storage agent outlet penetrate through the side wall of the ice cold storage tank. Chinese patent 202110060332.9 discloses a control device of an ice storage system, which comprises: the detection unit is used for detecting the current working mode of the ice storage system; the acquisition unit is used for acquiring the temperature of the glycol solution when the current working mode of the ice cold storage system is a refrigerator shutdown or is switched from an ice making mode to a refrigerating mode; the control unit is used for controlling the working state of a glycol pump in the ice storage system according to the temperature of the glycol solution; the control of the working state of the glycol pump in the ice storage system according to the temperature of the glycol solution comprises the following steps: judging whether the temperature of the ethylene glycol solution is greater than an anti-freezing temperature set value or not, and if so, closing a hydraulic passage of the ice storage system; if the temperature of the ethylene glycol solution is less than or equal to the anti-freezing temperature set value, controlling the ice cold storage system to start anti-freezing protection operation; the control ice cold-storage system starts the operation of anti-freezing protection, including: and closing an ethylene glycol pump in the ice storage system, judging whether the tail end equipment of the ice storage system needs cooling, and controlling whether the cold quantity in the ice storage system enters the tail end equipment or the cooling side according to whether the tail end equipment needs cooling.
Therefore, the super-wide capacity cold accumulation air conditioner is researched and designed, wide capacity adjustment is realized, and the application prospect is wide.
The invention content is as follows:
the utility model aims to overcome the shortcoming that prior art exists, research and development design super wide ability cold-storage air conditioner, when carrying out the ability regulation of super wide scope, the situation that is difficult to or can't freeze can not appear in the regenerator.
In order to achieve the purpose, the utility model relates to a main structure of super wide ability cold-storage air conditioner includes the circulation circuit that is formed by compressor, condenser and a heat exchanger and the circulation circuit that is formed by a heat exchanger, regenerator and No. two heat exchangers.
The utility model relates to a compressor exit end is connected with the entry end of condenser, the exit end of condenser is connected with the refrigerant entry end of a heat exchanger, the refrigerant exit end of a heat exchanger is connected with the entry end of compressor, form the circulation circuit; the secondary refrigerant outlet end of the first heat exchanger is connected with the inlet ends of the cold accumulator and the second heat exchanger respectively, and the outlet ends of the cold accumulator and the second heat exchanger are connected with the secondary refrigerant inlet end of the first heat exchanger respectively to form a circulation loop.
The utility model relates to a throttle valve is arranged between a condenser and a first heat exchanger; a stop valve is arranged at the secondary refrigerant outlet end of the first heat exchanger, a second stop valve and a water pump are arranged at the inlet end of the cold accumulator, a third stop valve and a second water pump are arranged at the inlet end of the second heat exchanger, and an expansion tank is arranged at the secondary refrigerant inlet end of the first heat exchanger.
The first heat exchanger of the utility model is of a plate type or sleeve type structure, one side is a refrigerant passage, and the other side is a secondary refrigerant passage; no. two stop valves are located the place ahead of a water pump, and No. three stop valves are located the place ahead of No. two water pumps 11, can protect a water pump and No. two water pumps.
Compared with the prior art, the utility model, form cold-storage circulation circuit by the compressor, condenser and heat exchanger one, form the circulation circuit of cooling by heat exchanger one, regenerator and No. two heat exchangers, have two kinds of operation modes, carry out the cold-storage when idle, select corresponding operation mode to put cold when different cold volume demands, the refrigerant is compressed into the gaseous state of high temperature high pressure by the compressor, after the condenser, throttle into low temperature low pressure state by the choke valve, get into heat exchanger one, the refrigerant passes cold volume to the secondary refrigerant, the secondary refrigerant passes through different operation modes, transmit cold volume to heat exchanger two, in order to realize the refrigeration of different cold volumes; the device has the advantages of simple structure, scientific and reliable principle and wide application range.
Description of the drawings:
fig. 1 is a schematic view of the main structure of the present invention.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following examples and accompanying drawings.
Example 1:
the main structure of the super-wide capacity cold accumulation air conditioner related to the embodiment is shown in fig. 1, and comprises a compressor 1, a condenser 2, a first heat exchanger 3, a throttle valve 4, a cold accumulator 5, a second heat exchanger 6, a first stop valve 7, a second stop valve 8, a first water pump 9, a third stop valve 10, a second water pump 11 and an expansion tank 12; the outlet end of the compressor 1 is connected with the inlet end of the condenser 2, the outlet end of the condenser 2 is connected with the refrigerant inlet end of the first heat exchanger 3, a throttle valve 4 is arranged between the condenser 2 and the first heat exchanger 3, and the refrigerant outlet end of the first heat exchanger 3 is connected with the inlet end of the compressor 1 to form a circulation loop; the secondary refrigerant outlet end of a heat exchanger 3 is respectively connected with the inlet ends of a cold accumulator 5 and a heat exchanger 6, the secondary refrigerant outlet end of the heat exchanger 3 is provided with a stop valve 7, the inlet end of the cold accumulator 5 is sequentially provided with a stop valve 8 and a water pump 9 according to the medium flowing direction, the inlet end of the heat exchanger 6 is sequentially provided with a stop valve 10 and a water pump 11 according to the medium flowing direction, the outlet ends of the cold accumulator 5 and the heat exchanger 6 are respectively connected with the secondary refrigerant inlet end of the heat exchanger 3 to form a circulation loop, and in addition, the secondary refrigerant inlet end of the heat exchanger 3 is provided with an expansion tank 12.
When the ultra-wide capacity cold accumulation air conditioner is used for cold accumulation, a refrigerant is compressed into a high-temperature and high-pressure gas state by the compressor 1, passes through the condenser 2, is throttled into a low-temperature and low-pressure state by the throttle valve 4, and enters the first heat exchanger 3, in the process, the first stop valve 7, the second stop valve 8 and the first water pump 9 are in an open state, and the third stop valve 10 and the second water pump 11 are in a closed state;
when the cold is released, the refrigerating fluid in the first heat exchanger 3 transmits the cold energy to the secondary refrigerant, and the secondary refrigerant transmits the cold energy to the second heat exchanger 6 through three operation modes;
the first host cooling mode: the refrigerating fluid transmits the cold energy to the secondary refrigerant, the secondary refrigerant directly transmits the cold energy to the second heat exchanger 6, and in the process, the first stop valve 7, the third stop valve 10 and the second water pump 11 are in an open state, and the second stop valve 8 and the first water pump 9 are in a closed state;
the second cold accumulation and release mode: the cold accumulator 5 directly transmits cold energy to the second heat exchanger 6, and in the process, the first stop valve 7 and the second water pump 11 are in an open state, and the second stop valve 8, the first water pump 9 and the third stop valve 10 are in a closed state;
the third host + cold accumulation and release mode: the refrigerating fluid transmits the cold quantity to the secondary refrigerant, the secondary refrigerant transmits the cold quantity to the cold accumulator 5 and the second heat exchanger 6 at the same time, in the process, the first stop valve 7, the second stop valve 8, the third stop valve 10 and the second water pump 11 are in an open state, and the open or close state of the first water pump 9 has no influence on cold discharge.
Claims (6)
1. A super-wide capacity cold accumulation air conditioner is characterized in that the outlet end of the compressor is connected with the inlet end of the condenser, the outlet end of the condenser is connected with the refrigerant inlet end of the first heat exchanger, and the refrigerant outlet end of the first heat exchanger is connected with the inlet end of the compressor to form a cold accumulation circulation loop; the secondary refrigerant outlet end of the first heat exchanger is respectively connected with the inlet ends of the cold accumulator and the second heat exchanger, and the outlet ends of the cold accumulator and the second heat exchanger are respectively connected with the secondary refrigerant inlet end of the first heat exchanger to form a cold release circulation loop.
2. The ultra-wide capacity cold accumulation air conditioner as claimed in claim 1, wherein a throttle valve is provided between the condenser and the first heat exchanger.
3. The ultra-wide capacity cold accumulation air conditioner as claimed in claim 1 or 2, wherein the first heat exchanger is of a plate type or sleeve type structure, one side is provided with a refrigerant passage, the other side is provided with a secondary refrigerant passage, the secondary refrigerant outlet end is provided with a first stop valve, and the secondary refrigerant inlet end is provided with an expansion tank.
4. The ultra-wide capacity cold accumulation air conditioner according to claim 3, wherein the inlet end of the cold accumulator is provided with a second stop valve and a first water pump.
5. The ultra-wide capacity cold accumulation air conditioner as claimed in claim 4, wherein the inlet end of the second heat exchanger is provided with a third stop valve and a second water pump.
6. The ultra-wide cold accumulation air conditioner according to claim 5, wherein the second stop valve is positioned in front of the first water pump, and the third stop valve is positioned in front of the second water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221366304.6U CN217482915U (en) | 2022-06-02 | 2022-06-02 | Super wide ability cold-storage air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221366304.6U CN217482915U (en) | 2022-06-02 | 2022-06-02 | Super wide ability cold-storage air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217482915U true CN217482915U (en) | 2022-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221366304.6U Active CN217482915U (en) | 2022-06-02 | 2022-06-02 | Super wide ability cold-storage air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217482915U (en) |
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2022
- 2022-06-02 CN CN202221366304.6U patent/CN217482915U/en active Active
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