CN215175835U - Air conditioner and temperature and humidity control system - Google Patents
Air conditioner and temperature and humidity control system Download PDFInfo
- Publication number
- CN215175835U CN215175835U CN202023332884.0U CN202023332884U CN215175835U CN 215175835 U CN215175835 U CN 215175835U CN 202023332884 U CN202023332884 U CN 202023332884U CN 215175835 U CN215175835 U CN 215175835U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- exchange device
- temperature
- refrigeration
- control system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model provides a temperature and humidity control system, compressor work, refrigerant are responsible for through the refrigeration, flow through condenser and first heat transfer device and refrigerate after flowing out by the compressor. The heat exchanger comprises a first heat exchange device and a second heat exchange device, the refrigeration main pipe is directly communicated with the first heat exchange device to be used for refrigeration, the inlet end of the second heat exchange device is communicated with the liquid outlet end of the compressor, the inlet end of the second heat exchange device is provided with a first control valve, when the first control valve is opened, a refrigerant passes through the second heat exchange device, the liquid outlet end of the second heat exchange device flows back to the liquid outlet end of the condenser, the refrigerant carries out regenerative treatment on air in the process of passing through the second heat exchange device, the relative humidity and the temperature of the air are improved, the shutdown condition caused by the fact that the system cold load is greater than the environment heat load is avoided, and the control structure of the air conditioning system is optimized. The utility model also provides an air conditioner.
Description
Technical Field
The utility model relates to an air conditioner technical field, more specifically say, relate to an air conditioner and atmospheric control system.
Background
In the air conditioner cooling process, when the heat load on the internal environment is small but the relative humidity is high, dehumidification control is required. However, when the cooling capacity of the air conditioner is higher than the heat load of the internal environment, the compressor may stop to stop cooling until the compressor starts when the cooling demand is met, which may cause frequent start and stop of the compressor, and may not achieve a continuous dehumidification effect, resulting in unstable humidity control.
Therefore, how to optimize the refrigeration and dehumidification structure of the air conditioning system is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a temperature and humidity control system to optimize a refrigeration and dehumidification structure of an air conditioning system; the utility model also provides an air conditioner.
In order to achieve the above object, the utility model provides a following technical scheme:
a temperature and humidity control system comprises a compressor, a condenser and a heat exchanger, wherein the heat exchanger comprises a first heat exchange device and a second heat exchange device, and the compressor, the condenser and the first heat exchange device are sequentially communicated through a refrigeration main pipe;
the inlet end of the second heat exchange device is connected with the air outlet end of the compressor;
the outlet end of the second heat exchange device is connected with the liquid outlet end of the condenser;
and a first control valve is arranged at the inlet end of the second heat exchange device.
Preferably, in the above temperature and humidity control system, a dehumidification control valve is further included, and the dehumidification control valve is disposed between the second heat exchange device and the liquid outlet end of the condenser.
Preferably, in the above temperature and humidity control system, the system further includes a refrigeration branch pipe and a refrigeration muffler, the liquid outlet end of the condenser is connected with the inlet end of the second heat exchange device through the refrigeration branch pipe, and the second heat exchange device further extends out of the refrigeration muffler communicated to the air inlet end of the compressor; the refrigeration branch pipe is provided with a second control valve; and a third control valve is arranged on the refrigeration gas return pipe.
Preferably, in the above temperature and humidity control system, a fourth control valve is further disposed on the main cooling pipe, and the fourth control valve is located at an inlet end of the first heat exchange device.
Preferably, in the above temperature and humidity control system, the refrigeration main pipe is further provided with a condensation temperature sensor located at a confluence output end of the refrigeration main pipe and the second heat exchange device liquid outlet pipe.
Preferably, in the above temperature and humidity control system, the cooling branch pipe is located at a rear end of the condensation temperature sensor in a refrigerant flow direction.
Preferably, in the above temperature and humidity control system, an evaporation temperature sensor for monitoring an intake temperature of the compressor is further disposed at an intake end of the compressor.
Preferably, in the above temperature and humidity control system, the second control valve and the fourth control valve are both electronic expansion valves, and the opening degrees of the two electronic expansion valves are both controlled by the evaporation temperature sensor.
Preferably, in the above temperature and humidity control system, the condenser is a condensing coil, and an external temperature sensor for monitoring an external ambient temperature is disposed on the condenser;
and an internal temperature sensor for monitoring the internal environment temperature is arranged on the heat exchanger.
An air conditioner is provided with the temperature and humidity control system.
The utility model provides a temperature and humidity control system, which comprises a compressor, a condenser and a heat exchanger which are sequentially communicated by a refrigeration main pipe, wherein the heat exchanger comprises a first heat exchange device and a second heat exchange device for heat exchange, and the refrigeration main pipe is communicated with the first heat exchange device; the inlet end of the second heat exchange device is communicated with the air outlet end of the compressor; the liquid outlet end of the second heat exchange device is communicated to the liquid outlet end of the condenser; the inlet end of the second heat exchange device is provided with a first control valve. The compressor works, and the refrigerant flows out of the refrigeration main pipe and then flows through the condenser and the first heat exchange device to be refrigerated. The heat exchanger includes first heat transfer device and second heat transfer device, the refrigeration is responsible for and directly communicates first heat transfer device and is used for the refrigeration, the end of giving vent to anger of second heat transfer device entrance point intercommunication compressor, the entrance point of second heat transfer device sets up first control valve, when first control valve was opened, the refrigerant is through second heat transfer device, it flows back to the play liquid end of condenser to go out the liquid end by second heat transfer device play liquid end, the refrigerant carries out the backheat with the air through the second heat transfer device in-process, improve air relative humidity and temperature, avoid the system refrigerating capacity to be greater than the shutdown condition that the environmental heat load caused, the temperature humidity control structure of air conditioning system has been optimized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an arrangement structure of an embodiment of the temperature and humidity control system provided by the present invention;
fig. 2 is a schematic diagram of an arrangement structure of another embodiment of the temperature and humidity control system provided by the present invention.
Detailed Description
The utility model discloses a temperature and humidity control system to optimize the refrigeration and dehumidification structure of a double-coil system; the utility model also provides an air conditioner.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, fig. 1 is a schematic view of an arrangement structure of an embodiment of the temperature and humidity control system provided by the present invention; fig. 2 is a schematic diagram of an arrangement structure of another embodiment of the temperature and humidity control system provided by the present invention.
The embodiment provides a temperature and humidity control system, which comprises a compressor 2, a condenser 3 and a heat exchanger 4 which are sequentially communicated by a refrigeration main pipe 1, wherein the heat exchanger 4 comprises a first heat exchange device 41 and a second heat exchange device 42, and the refrigeration main pipe 1 is communicated with the first heat exchange device 41; the inlet end of the second heat exchange device 42 is connected with the air outlet end of the compressor 2; the outlet end of the second heat exchange device 42 is communicated with the liquid outlet end of the condenser 3, and preferably, the outlet end of the second heat exchange device 42 is provided with a dehumidification loop 6 so as to be communicated with the liquid outlet end of the condenser 3; the inlet end of the second heat exchange device 42 is provided with a first control valve 51. The compressor 2 works, and the refrigerant flows out of the refrigeration main pipe 1 from the compressor 2 and then flows through the condenser 3 and the first heat exchange device 41 of the heat exchanger 4 to be refrigerated. The heat exchanger 4 comprises a first heat exchange device 41 and a second heat exchange device 42, the refrigeration main pipe 1 is communicated with the first heat exchange device 41 for refrigeration, the inlet end of the second heat exchange device 42 is communicated with the air outlet end of the compressor 2, and the first control valve 51 is used for controlling whether the second heat exchange device 42 is communicated or not so as to enable the refrigerant to flow back to the liquid outlet end of the condenser 3 through the dehumidification loop 6 at the liquid outlet end of the second heat exchange device 42 for dehumidification.
Specifically, as shown in fig. 1, in an embodiment, the inlet end of the second heat exchanging device 42 is communicated with the air outlet end of the compressor 2, and a first control valve 51 is provided to control the pipeline to be communicated, specifically, the first control valve 51 may be a valve member such as an electromagnetic control valve, an electronic expansion valve, or the like. The refrigerant that lets in second heat transfer device 42 this moment is the gaseous state refrigerant of higher temperature, flows into the play liquid end of condenser 3 by dehumidification return circuit 6 behind second heat transfer device 42 for the air current temperature through heat exchanger 4 compares in the air current temperature when only setting up single heat transfer device and risees to some extent, and the temperature is difficult for reacing the temperature that stops refrigeration, and the system can last to refrigerate for a long time and dehumidify, simultaneously, has improved conventional single condenser and has set up the drawback that the air-out temperature is high in the evaporimeter rear end.
In a specific embodiment of the present disclosure, the liquid outlet end of the condenser 3 is connected to the inlet end of the second heat exchanging device 42 through the refrigeration branch pipe 11, and the second heat exchanging device 42 further extends out of the refrigeration muffler 13 communicated to the air inlet end of the compressor 2; a second control valve 12 is arranged on the refrigeration branch pipe 11; a third control valve 14 is arranged on the refrigeration muffler 13. The second control valve 12 and the third control valve 14 are both opened, and the condenser 3 is communicated with two cooling flow paths of the first heat exchange device 41 and the second heat exchange device 42, so that compared with a refrigeration system only provided with a single heat exchange device, the refrigeration capacity of the arrangement mode has a larger regulation range.
Further, as shown in fig. 2, in another embodiment, the refrigeration branch pipe 11 serves as a dehumidification flow path to communicate the second heat exchange device 42 and the dehumidification loop 6, an inlet end of the second heat exchange device 42 is communicated to an outlet end of the condenser 3, the first control valve 51 is closed, the second control valve 12 controls the introduction of the refrigerant cooled by the condenser 3, at this time, the refrigerant at the outlet end of the second heat exchange device 42 passes through the dehumidification loop 6 to be mixed with the refrigerant at the outlet end of the condenser 3, so as to increase the temperature of the refrigerant discharged by the condenser 3, and at this time, the temperature of the surface of the heat exchange device is also increased, so that in a low heat load application scenario, the refrigeration system can still perform continuous refrigeration and dehumidification, thereby achieving the low-load dehumidification effect.
The refrigerant flows back to the liquid outlet end of the condenser 3 from the outlet end of the second heat exchange device 42, and the air is subjected to regenerative treatment in the process of passing through the second heat exchange device 42, so that the relative humidity and the temperature of the air are improved, and the shutdown condition caused by the fact that the cold load of the system is greater than the ambient heat load is avoided.
First heat exchange device 41 and second heat exchange device 42 may also be provided as parallel flow heat exchangers, heat exchange coils, or the like arranged in parallel. Specifically, when the first heat exchanging device 41 and the second heat exchanging device 42 are heat exchanging coils, the heat exchanging efficiency is high, the manufacturing cost is relatively low, and the space occupied by the refrigerating system can be saved. When the inlet end of the second heat exchanging device 42 is provided with the refrigeration branch pipe 11 as the refrigeration loop and the dehumidification loop at the same time, as in the above embodiment, the second heat exchanging device 42 is connected to the liquid outlet end of the condenser 3 and the liquid outlet end of the compressor at the same time.
Meanwhile, when the outlet end of the second heat exchange device 42 is communicated to the liquid outlet end of the condenser 3, the dehumidifying control valve 61 is arranged on the dehumidifying loop 6, so that the refrigerant flows into the liquid outlet end of the condenser 3 to converge under the dehumidifying working condition, and the stability of the refrigerating system is improved. Specifically, the dehumidification control valve 61 may be a valve element such as a solenoid valve or a check valve. In one embodiment, the dehumidification control valve 61 is a solenoid valve, and when the pressure on the liquid outlet side of the condenser is higher than the pressure at the outlet end of the second heat exchange device, the dehumidification loop is not conducted.
The first control valve 51 is arranged on a flow path of the second heat exchange device 42 communicated with the compressor 2, when the refrigeration working condition is met, the first control valve 51 is closed, the refrigerant subjected to heat exchange by the first heat exchange device 41 flows back to the compressor through the refrigeration main pipe 1, and flows back to the compressor 2 through the refrigeration return pipe 13 together with the refrigerant subjected to heat exchange by the second heat exchange device 42, the compressor 2 can output the maximum cold load to perform full-speed refrigeration, and when the environment is in a high heat load, the rapid cooling effect can be realized.
When the first heat exchanger 41 and the second heat exchanger 42 perform cooling at the same time, the third control valve 14 and the second control valve 12 operate cooperatively and are opened at the same time, so as to ensure the conduction of the cooling circuit, ensure the stability of the switching of the flow directions of the outlet ends of the cooling return pipe 13 and the second heat exchanger 42, and further ensure the working safety of the system.
In an embodiment of the present disclosure, the main refrigeration pipe 1 is further provided with a fourth control valve 15, and the fourth control valve 15 is located at the inlet end of the first heat exchanging device 41. The fourth control valve 15 controls the flow rate of the refrigerant entering the first heat exchange device 41, so that the adjustment of the refrigeration state under different heat loads and cold loads can be realized, and the refrigeration capacity can be adjusted.
In an embodiment of the present disclosure, the main cooling pipe 1 is further provided with a condensation temperature sensor 7 located at a confluence output end of the main cooling pipe and the outlet end of the second heat exchanging device 42, for monitoring the temperature of the refrigerant, thereby controlling the operation of devices such as a condensation fan and the like, and better adjusting the regenerative temperature. The refrigeration branch pipe 11 is located at the rear end of the condensation temperature sensor 7 in the refrigerant flow direction.
The air inlet end of the compressor 2 is also provided with an evaporation temperature sensor 8 for monitoring the air inlet temperature of the compressor. The heat exchanger 4 is controlled by the first heat exchange device 41 and the second heat exchange device 42 to communicate with the dehumidification loop 6 by respectively conducting the refrigeration branch pipes 11 or the second heat exchange device 42, thereby controlling the flow direction of the refrigerant. When the outlet end of the second heat exchanging device 42 is conducted to the liquid outlet end of the condenser 3, a part of the refrigerant output by the compressor 2 without being cooled by the condenser 3 directly flows back to the liquid outlet end of the condenser 3, and the refrigerant with the increased temperature is sent to the first heat exchanging device 41, so that the temperature of the refrigerant entering the first heat exchanging device 41 is increased. When the refrigerant return pipe 13 is turned on, the refrigerant directly flows back to the compressor 2.
The refrigerant that second heat transfer device 42 flows out converges with refrigeration person in charge 1 through dehumidification return circuit 6, and refrigeration person in charge 1 shunts with refrigeration branch pipe 11, and condensation temperature sensor 7 is located the rear end that dehumidification return circuit 6 converged, is located the front end that refrigeration branch pipe 11 shunts, detects the refrigerant temperature that gets into heat exchanger 4.
The evaporation temperature sensor 8 monitors the temperature of the refrigerant entering the compressor 2, and is specifically located at the rear end of the confluence of the refrigeration main pipe 1 and the refrigeration muffler 13.
In an embodiment of the present disclosure, the second control valve 12 and the fourth control valve 15 are both electronic expansion valves, and the opening degrees of the two electronic expansion valves are controlled by evaporation temperature sensors. The second control valve 12 and the fourth control valve 15 both adopt electronic expansion valves, and the opening degrees of the two electronic expansion valves are carried out by the refrigerant temperature monitored by the evaporation temperature sensor 8 so as to meet different refrigerant flow requirements of the heat exchanger during refrigeration work or dehumidification work.
In one embodiment of the present disclosure, the condenser 3 is a condensing coil, and an external temperature sensor 9 for monitoring the external environment temperature is disposed thereon; the heat exchanger 4 is provided with an internal temperature sensor 10 for monitoring the internal ambient temperature. The condenser 3 adopts a condensing coil, the temperature of the condenser end is monitored by an external temperature sensor 9, and the ambient temperature of the heat exchanger end is monitored by an internal temperature sensor 10, so that the working mode adjusting requirement of the system is met.
Based on the atmospheric control system that provides in the above-mentioned embodiment, the utility model also provides an air conditioner is equipped with the atmospheric control system that provides in the above-mentioned embodiment on this air conditioner.
Because the air conditioner adopts the temperature and humidity control system of the above embodiment, please refer to the above embodiment for the beneficial effects brought by the temperature and humidity control system of the air conditioner.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (11)
1. The temperature and humidity control system is characterized by comprising a compressor, a condenser and a heat exchanger, wherein the heat exchanger comprises a first heat exchange device and a second heat exchange device, and the compressor, the condenser and the first heat exchange device are sequentially communicated by a refrigeration main pipe;
the inlet end of the second heat exchange device is connected with the air outlet end of the compressor;
the outlet end of the second heat exchange device is connected with the liquid outlet end of the condenser;
and a first control valve is arranged at the inlet end of the second heat exchange device.
2. The temperature and humidity control system of claim 1, further comprising a dehumidification control valve disposed between the second heat exchange device and the liquid outlet end of the condenser.
3. The temperature and humidity control system of claim 1, further comprising a refrigeration branch pipe and a refrigeration muffler, wherein the liquid outlet end of the condenser is connected with the inlet end of the second heat exchange device through the refrigeration branch pipe, and the second heat exchange device further extends out of the refrigeration muffler communicated to the air inlet end of the compressor; the refrigeration branch pipe is provided with a second control valve; and a third control valve is arranged on the refrigeration gas return pipe.
4. The temperature and humidity control system of claim 3, wherein a fourth control valve is further disposed on the main cooling pipe, and the fourth control valve is located at an inlet end of the first heat exchanging device.
5. The temperature and humidity control system of claim 4, wherein the main cooling pipe further comprises a condensation temperature sensor at a confluence output end of the main cooling pipe and the outlet pipe of the second heat exchange device.
6. The temperature-humidity control system according to claim 5, wherein the cooling branch pipe is located at a rear end of the condensation temperature sensor in a refrigerant flow direction.
7. The temperature and humidity control system of claim 6, wherein an evaporation temperature sensor for monitoring the inlet temperature of the compressor is further disposed at the inlet end of the compressor.
8. The temperature and humidity control system of claim 7, wherein the second control valve and the fourth control valve are electronic expansion valves, and the opening degrees of the two electronic expansion valves are controlled by the evaporation temperature sensor.
9. The temperature and humidity control system according to any one of claims 1 to 8, wherein the condenser is a condenser coil on which an external temperature sensor for monitoring an external ambient temperature is provided;
and an internal temperature sensor for monitoring the internal environment temperature is arranged on the heat exchanger.
10. The temperature and humidity control system of any one of claims 1-8, wherein the first heat exchange device and the second heat exchange device are heat exchange coils.
11. An air conditioner characterized in that it is provided with a temperature and humidity control system as claimed in any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023332884.0U CN215175835U (en) | 2020-12-30 | 2020-12-30 | Air conditioner and temperature and humidity control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023332884.0U CN215175835U (en) | 2020-12-30 | 2020-12-30 | Air conditioner and temperature and humidity control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215175835U true CN215175835U (en) | 2021-12-14 |
Family
ID=79399875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023332884.0U Active CN215175835U (en) | 2020-12-30 | 2020-12-30 | Air conditioner and temperature and humidity control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215175835U (en) |
-
2020
- 2020-12-30 CN CN202023332884.0U patent/CN215175835U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11760162B2 (en) | Thermal management system | |
| CN108700347B (en) | System and method for controlling a refrigeration system | |
| WO2017193857A1 (en) | Heat pump air-conditioning system and electric vehicle | |
| CN106926665B (en) | Vehicle air conditioning equipment and vehicle with same | |
| CN109140815B (en) | Thermal management system and flow control device | |
| US11828507B2 (en) | Air conditioning system and control method therefor | |
| CN110345566B (en) | Air conditioning system with temperature adjusting and dehumidifying functions and control method thereof | |
| US11747057B2 (en) | Heat pump system | |
| WO2022017297A1 (en) | Heat pump system | |
| CN112432267A (en) | Heat pump system with dehumidification function and control method thereof | |
| CN114110978B (en) | Air conditioning system, control method and air conditioning unit | |
| CN203454455U (en) | Three-tube air conditioning system | |
| CN111031759A (en) | Machine room air conditioning device and control method | |
| CN109974318B (en) | Thermal management system | |
| WO2024074064A1 (en) | Indirect multi-level waste heat recovery heat pump air-conditioning system, and control method therefor | |
| CN112902473A (en) | Air conditioner heat exchange structure, air conditioner external unit, air conditioner system and air conditioner system control method | |
| CN112577101B (en) | Air conditioner and control method thereof | |
| CN114571941A (en) | Thermal management system | |
| CN215175835U (en) | Air conditioner and temperature and humidity control system | |
| CN111023414A (en) | Air conditioning system and dehumidification control method | |
| WO2022222587A1 (en) | Air supply control method for air conditioner, air conditioner, storage medium, and compressor for air conditioner | |
| CN214581891U (en) | Air conditioner heat exchange structure, air conditioning system and air conditioner outdoor unit | |
| CN214581887U (en) | Air conditioner heat exchange structure, air conditioner outer unit and air conditioning system | |
| CN112539453B (en) | Multi-split air conditioner and control method thereof | |
| CN213514499U (en) | Heat pump system and air conditioning equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |