CN202792750U - Air-cooled heat pump cold and heat water machine and control device thereof - Google Patents
Air-cooled heat pump cold and heat water machine and control device thereof Download PDFInfo
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- CN202792750U CN202792750U CN 201220411876 CN201220411876U CN202792750U CN 202792750 U CN202792750 U CN 202792750U CN 201220411876 CN201220411876 CN 201220411876 CN 201220411876 U CN201220411876 U CN 201220411876U CN 202792750 U CN202792750 U CN 202792750U
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- heat pump
- water machine
- control device
- cooled heat
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Abstract
The utility model discloses a control device of an air-cooled heat pump cold and heat water machine. The air-cooled heat pump cold and heat water machine comprises a fan and a condenser; the control device comprises a temperature sensor and a low-temperature controller; the temperature sensor is connected with the condenser and is used for acquiring temperature information of a cooling medium in the condenser and transmitting the temperature information to the low-temperature controller; and the low-temperature controller is electrically connected with the fan and is used for controlling the rotating speed and the opening/closing of the fan according to the temperature information. The utility model further provides the air-cooled heat pump cold and heat water machine which comprises the control device. The control device of the air-cooled heat pump cold and heat water machine disclosed by the utility model has the advantages of simple structure and lower cost.
Description
Technical field
The utility model relates to air-conditioning technical field, particularly a kind of air-cooled heat pump cold-hot water machine and control device thereof.
Background technology
As everyone knows, the air-cooled heat pump cold-hot water machine is widely used in the comfortableness central air-conditioning of the communal facilitys such as hotel, market, office building, exhibition center, gymnasium, bookstore, entertainment city, dining room, and in the desired household central air conditioning system of the private residences such as apartment, villa, also can well be used, can also be satisfied the requirement of the technological air conditioning system of the industries such as electronics, pharmacy, biology, light textile, chemical industry, metallurgy, electric power, machinery simultaneously.
When unit is used for the industrial technology air-conditioning, just may be used for the industry cooling.The characteristics of industry cooling type air-conditioning system are exactly the whole year operation cooling condition, general unit can only satisfy cooling condition demand in summer, satisfy unit at the year round cooling needs, must carry out to unit the design of refrigerating operaton under the low temperature environment, to guarantee the reliability service of whole unit.
At present, conventional cryogenic refrigeration operation control technology adopts the detection system condensing pressure, and to control the rotating speed of blower fan and the row of opening, stop transport according to corresponding pressure, its defective is that the high and automatically controlled design of cost is complicated.
Summary of the invention
Main purpose of the present utility model is to provide a kind of control device of air-cooled heat pump cold-hot water machine, is intended to effectively solve available technology adopting detection system condensing pressure and comes blower fan is controlled the technical problem that causes the high and automatically controlled design complexity of cost.
In order to realize the utility model purpose, the utility model provides a kind of control device of air-cooled heat pump cold-hot water machine, described air-cooled heat pump cold-hot water machine comprises blower fan and condenser, wherein, described control device comprises temperature sensor and cryostat, and described temperature sensor links to each other with condenser, obtains the temperature information of refrigerant in the condenser and is sent to cryostat, described cryostat is electrically connected with blower fan, according to the rotating speed of described temperature information control blower fan and open/close.
Preferably, described temperature sensor is arranged on the outlet of condenser or on the condenser stream.
Preferably, described cryostat is air-conditioner controller.
The utility model also provides a kind of air-cooled heat pump cold-hot water machine, comprise blower fan and condenser, it also comprises control device, this control device comprises temperature sensor and cryostat, described temperature sensor links to each other with condenser, obtain the temperature information of refrigerant in the condenser and be sent to cryostat, described cryostat is electrically connected with blower fan, according to the rotating speed of described temperature information control blower fan and open/close.
As from the foregoing, the utility model adopts temperature sensor to obtain the temperature of refrigerant in the condenser and temperature information is sent to cryostat, change according to the condenser refrigerant temperature for cryostat and to regulate rotation speed of fan and to open, stop transport row, thereby affect the refrigeration system condensing pressure, make it reach suitable Compressor Discharge Pressure and compressor return air pressure, increase the reliability of system when unit freezes under the low temperature environment.The control device of the utility model air-cooled heat pump cold-hot water machine is simple in structure, and it is convenient to implement, and cost is lower.
Description of drawings
Fig. 1 is the structural representation of air-cooled heat pump water chiller/heater in the utility model one preferred embodiment.
The realization of the utility model purpose, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
The specific embodiment
Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
The utility model embodiment provides a kind of control device of air-cooled heat pump cold-hot water machine, with reference to shown in Figure 1, in a preferred embodiment, this air-cooled heat pump cold-hot water machine comprises blower fan 7 and condenser 3, the control device of air-cooled heat pump cold-hot water machine comprises temperature sensor 9 and cryostat 8, described temperature sensor 9 links to each other with condenser 3, obtain the temperature information of refrigerant in the condenser 3 and be sent to cryostat 8, described cryostat 8 is electrically connected with blower fan 7, according to the rotating speed of described temperature information control blower fan 7 and open/close.
With reference to Fig. 1, except aforementioned blower fan 7 and condenser 3, the air-cooled heat pump cold-hot water machine among the utility model embodiment also comprises compressor 1, four-way change-over valve 2, throttle mechanism 4, evaporimeter 5 and the gas-liquid separator 6 that connects by pipeline.
Among the utility model embodiment, cryostat 8 can be arranged in the air-cooled heat pump cold-hot water machine as a control module separately, also can be integrated with the air-conditioner controller of air-cooled heat pump cold-hot water machine, be arranged in the air-conditioner controller, as one of them module.
Temperature sensor 9 can be arranged on the outlet of condenser 3 and also can be arranged on the stream of condenser 3, as long as can obtain the wherein temperature of refrigerant.
Among the utility model embodiment, the ruuning situation of air-cooled heat pump cold-hot water machine is as follows:
When system's running refrigerating pattern:
The HTHP refrigerant that ejects from compressor 1 cools off through four-way change-over valve 2 inflow air-side heat exchangers 3, the refrigerant of temperature is after throttle mechanism 4 step-downs in the rear formed high pressure of cooling, form the gaseous coolant of low-pressure low-temperature, be sent to the gaseous coolant that evaporimeter 5 flashes to low-temp low-pressure, then flow into gas-liquid separator 6 through four-way change-over valve 2, return the again compressed kind of refrigeration cycle of finishing a time of compressor 1.When TEMP 9 temperature sensors reach the respective settings value, the corresponding voltage of cryogenic refrigeration controller 8 output, the rotating speed of control blower fan 7 or directly open, the blowing-out machine.
When system's operation heating mode:
The HTHP refrigerant that ejects from compressor 1 cools off through four-way change-over valve 2 inflow evaporimeters 5, the cold-producing medium of temperature is after throttle mechanism 4 step-downs in the rear formed high pressure of cooling, form the gaseous coolant of low-pressure low-temperature, be sent to air-side heat exchanger 3, flash to the gaseous coolant of low-temp low-pressure, then flow into gas-liquid separators 6 through four-way change-over valve 2, return compressor 1 again compressed finishing once heat circulation.
The utility model embodiment adopts temperature sensor 9 to obtain the temperature information of refrigerant in the condenser 3 and is sent to cryostat 8, regulate the rotating speed of blower fan 7 and the row of opening, stop transport for cryostat 8 according to refrigerant temperature variation in the condenser 3, thereby affect the refrigeration system condensing pressure, make its pressure at expulsion and back pressure of reaching suitable compressor 1, the reliability of system when increasing unit refrigeration under the low temperature environment.Owing to control stopping, turning of blower fan by temperature sensor 9 and cryostat 8, the control device of the air-cooled heat pump cold-hot water machine among the utility model embodiment is simple in structure, and it is convenient to implement, and cost is lower.
The utility model embodiment also provides a kind of air-cooled heat pump cold-hot water machine, with reference to shown in Figure 1, this air-cooled heat pump cold-hot water machine comprises compressor 1, four-way change-over valve 2, condenser 3, throttle mechanism 4, evaporimeter 5, gas-liquid separator 6 and the blower fan 7 that connects by pipeline, also comprise the control device described in the previous embodiment, for example, this control device comprises temperature sensor 9 and cryostat 8.Air-cooled heat pump cold-hot water machine among the utility model embodiment is owing to have aforementioned control device, can change according to the condenser refrigerant temperature and regulate rotation speed of fan and open, stop transport row, thereby affect the refrigeration system condensing pressure, make it reach suitable Compressor Discharge Pressure and compressor return air pressure, increase the reliability of system when unit freezes under the low temperature environment.Relative prior art, the control device of the utility model air-cooled heat pump cold-hot water machine is simple in structure, and it is convenient to implement, and cost is lower.
It below only is preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (4)
1. the control device of an air-cooled heat pump cold-hot water machine, described air-cooled heat pump cold-hot water machine comprises blower fan and condenser, it is characterized in that, described control device comprises temperature sensor and cryostat, described temperature sensor links to each other with condenser, obtain the temperature information of refrigerant in the condenser and be sent to cryostat, described cryostat is electrically connected with blower fan, according to the rotating speed of described temperature information control blower fan and open/close.
2. the control device of air-cooled heat pump cold-hot water machine as claimed in claim 1 is characterized in that, described temperature sensor is arranged on the outlet of condenser or on the condenser stream.
3. the control device of air-cooled heat pump cold-hot water machine as claimed in claim 2 is characterized in that, described cryostat is arranged in the air-conditioner controller of described air-cooled heat pump cold-hot water machine.
4. an air-cooled heat pump cold-hot water machine comprises blower fan and condenser, it is characterized in that, also comprises such as each described control device in the claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220411876 CN202792750U (en) | 2012-08-17 | 2012-08-17 | Air-cooled heat pump cold and heat water machine and control device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220411876 CN202792750U (en) | 2012-08-17 | 2012-08-17 | Air-cooled heat pump cold and heat water machine and control device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202792750U true CN202792750U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220411876 Expired - Fee Related CN202792750U (en) | 2012-08-17 | 2012-08-17 | Air-cooled heat pump cold and heat water machine and control device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202792750U (en) |
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2012
- 2012-08-17 CN CN 201220411876 patent/CN202792750U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: MIDEA GROUP CO., LTD. Free format text: FORMER OWNER: MEIDI ELECTRIC APPLIANCES CO., LTD., GUANGDONG Effective date: 20131206 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131206 Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Patentee after: Midea Group Co., Ltd. Address before: 528311 Beijiao, Foshan, Shunde District, the town of Guangdong, the United States Avenue, No. 6 Patentee before: Meidi Electric Appliances Co., Ltd., Guangdong |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20190817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |