CN215836143U

CN215836143U - Heat pump dehumidification temperature control unit

Info

Publication number: CN215836143U
Application number: CN202120727355.6U
Authority: CN
Inventors: 卢志东
Original assignee: Foshan Alto Refrigeration Manufacturing Co ltd
Current assignee: Foshan Alto Refrigeration Manufacturing Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2022-02-18
Anticipated expiration: 2031-04-09

Abstract

The utility model discloses a heat pump dehumidification temperature control unit, which comprises a heat pump system, a first box body and a second box body, wherein the heat pump system comprises a compressor, a four-way valve, a first condenser, a second condenser, a first one-way valve, a second one-way valve and an evaporation assembly, the evaporation assembly comprises a throttling device and an evaporator which are connected in series, the first box body is provided with a first air channel, and the first condenser is arranged in the first air channel; the second box is provided with a second air duct, and the evaporator and the second condenser are both arranged in the second air duct. When the air conditioner is used, the inlet and the outlet of the first air channel can be arranged outdoors, and the inlet and the outlet of the second air channel are arranged indoors; the heat pump dehumidification temperature control unit can perform the functions of refrigeration and dehumidification or heating and dehumidification on the indoor space; when the temperature control device is used, the time of refrigeration dehumidification and heating dehumidification is controlled according to requirements, so that the purposes of dehumidification temperature control can be achieved.

Description

Heat pump dehumidification temperature control unit

Technical Field

The utility model relates to the technical field of heat pump devices, in particular to a heat pump dehumidification temperature control unit.

Background

The heat pump dehumidification is widely used due to the advantages of safety, energy conservation, environmental protection and no pollution; in the traditional heat pump dehumidification unit, dehumidification is performed through an evaporator, the temperature of air is reduced when the air passes through the low-temperature evaporator, and water vapor in the air is condensed to realize dehumidification; however, this dehumidification method results in a decrease in air temperature, and is not suitable for some places requiring temperature maintenance, such as greenhouses.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a heat pump dehumidification temperature control unit.

The heat pump dehumidification temperature control unit comprises a heat pump system, a first box body and a second box body, the heat pump system comprises a compressor, a four-way valve, a first condenser, a second condenser, a first one-way valve, a second one-way valve and an evaporation assembly, the evaporation assembly comprises a throttling device and an evaporator which are connected in series, the compressor is provided with an air inlet interface and an air outlet interface, the evaporation assembly is provided with a refrigerant inlet and a refrigerant outlet, the exhaust interface is connected to a D interface of the four-way valve, the first condenser and the first one-way valve are connected between the E interface of the four-way valve and the refrigerant inlet in sequence, the second condenser and the second one-way valve are sequentially connected between the C interface of the four-way valve and the refrigerant inlet, and the S interface of the four-way valve and the refrigerant outlet are respectively connected to the air inlet interface; the first box body is provided with a first air duct, and the first condenser is arranged in the first air duct; the second box is equipped with the second wind channel, the evaporimeter with the second condenser is all located in the second wind channel, the evaporimeter with the second condenser is followed the flow direction in wind channel sets gradually.

The heat pump dehumidification temperature control unit provided by the embodiment of the utility model at least has the following technical effects: when the air conditioner is used, the inlet and the outlet of the first air channel can be arranged outdoors, and the inlet and the outlet of the second air channel are arranged indoors; when the port D of the four-way valve is communicated with the port E and the port S is communicated with the port C, the heat pump dehumidification temperature control unit plays a role in refrigerating and dehumidifying the indoor space; when the port D of the four-way valve is communicated with the port C and the port S is communicated with the port E, the heat pump dehumidification temperature control unit plays a role in heating and dehumidifying the indoor space; when the temperature control device is used, the time of refrigeration dehumidification and heating dehumidification is controlled according to requirements, so that the purposes of dehumidification temperature control can be achieved.

According to some embodiments of the utility model, a first fan is disposed on the first air duct. The first fan is arranged to accelerate the flow of air flow in the first air channel, and the efficiency of the first condenser is improved.

According to some embodiments of the present invention, an electric heating device is further disposed in the second air duct, and the second condenser and the electric heating device are sequentially disposed along a flow direction of the air duct. Through setting up electric heater unit, can start electric heater unit when needing the rapid heating, improve heating efficiency.

According to some embodiments of the utility model, the electrical heating device is a PTC heater. The PTC heater has higher safety performance and is suitable for the utility model.

According to some embodiments of the utility model, the second box body is provided with a first chamber part and a second chamber part, the first chamber part is arranged on the upper side of the second chamber part, a partition wall is arranged between the first chamber part and the second chamber part, the partition wall is provided with a communication port, the second air duct is provided with an air duct inlet and an air duct outlet, the air duct inlet is arranged on the wall of the second chamber part, and the air duct outlet is arranged on the wall of the first chamber part; the second condenser with the evaporimeter is folded and is established, the second condenser with the evaporimeter is all located the intercommunication mouth with between the wind channel entry, be equipped with the second fan in the first chamber portion, the second fan is located the intercommunication mouth with between the wind channel export. Through setting up first chamber portion, reserve sufficient space for setting up baroceptor and flow sensor, can set up baroceptor in first chamber portion during the use, the wind channel export sets up flow sensor to in real time supervision heat pump dehumidification temperature control unit's operating condition.

According to some embodiments of the present invention, the second casing is further provided with a third chamber part, the third chamber part is provided at a lower side of the second chamber part, and the compressor, the four-way valve and the throttling device are all provided in the third chamber part; and a control electric box is arranged in the third cavity, and the second fan, the compressor and the four-way valve are electrically connected with the control electric box. Through setting up the third chamber portion, leave sufficient space and place parts such as control electronic box and compressor, parts such as control electronic box and compressor need not to receive the washing away of air current, reduce the incidence of trouble.

According to some embodiments of the present invention, the second fan is a centrifugal fan, the second fan includes a centrifugal impeller, the centrifugal impeller is axially and vertically disposed, the centrifugal impeller has an air inlet, the air inlet is located at the bottom of the centrifugal impeller, and the air inlet is located at the upper side of the communication port. The air inlet is located centrifugal impeller's bottom and locates the upside of intercommunication mouth, then centrifugal fan need not additionally to set up the shell and also can normal operating, has simplified the structure.

According to some embodiments of the utility model, the communication port is provided with a convex edge, and the air inlet is sleeved outside the convex edge. A gap is formed between the centrifugal impeller and the partition wall so as to prevent the centrifugal impeller from rubbing the partition wall, and the convex edge is arranged to prevent air sent out by the centrifugal impeller from flowing back to the air inlet from the gap, so that the air supply efficiency of the centrifugal fan is improved.

According to some embodiments of the utility model, a carbon dioxide detector is disposed in the second chamber portion, the carbon dioxide detector being disposed between the communication port and the second condenser. The greenhouse needs to throw in carbon dioxide at variable time and keep the concentration of the carbon dioxide to promote the growth of crops, and by arranging the carbon dioxide detector in the second cavity part, the airflow in the second cavity part flows constantly and can accurately reflect the concentration condition of the carbon dioxide in the greenhouse, and an operator can throw in the carbon dioxide according to information fed back by the carbon dioxide detector.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic diagram of a heat pump system of a heat pump dehumidification temperature control unit according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a second box of the heat pump dehumidification temperature control unit according to the embodiment of the utility model;

fig. 3 is a schematic structural diagram of a first box of the heat pump dehumidification temperature control unit according to the embodiment of the utility model.

In the drawings:

110-a compressor; 120-a four-way valve; 131-a first condenser; 132-a second condenser; 141-a first one-way valve; 142-a second one-way valve; 150-a throttling device; 160-an evaporator; 200-a second box; 210-a first cavity part; 211-duct outlet; 220-a second cavity part; 221-duct entrance; 230-a third cavity; 240-communication port; 310-electric heating means; 320-a carbon dioxide detector; 330-control electric box; 340-a centrifugal impeller; 500-a first box; 510-first fan.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "a" or "an" mean one or more, the terms "a" or "an" mean two or more, the terms larger than, smaller than, exceeding, and the like are understood to include the number, and the terms "larger than, smaller than, within, and the like are understood to include the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

A heat pump dehumidification temperature control unit according to an embodiment of the present invention is described below with reference to fig. 1 to 3.

The heat pump dehumidification temperature control unit according to the embodiment of the utility model comprises a heat pump system, a first box 500 and a second box 200, the heat pump system includes a compressor 110, a four-way valve 120, a first condenser 131, a second condenser 132, a first check valve 141, a second check valve 142 and an evaporation assembly, the evaporation assembly comprises a throttle device 150 and an evaporator 160 connected in series, the compressor 110 having an inlet connection and an outlet connection, the evaporation assembly has a refrigerant inlet and a refrigerant outlet, the exhaust port is connected to the D port of the four-way valve 120, the first condenser 131 and the first check valve 141 are sequentially connected between the E port of the four-way valve 120 and the refrigerant inlet, the second condenser 132 and the second check valve 142 are sequentially connected between the C port of the four-way valve 120 and the refrigerant inlet, the S port of the four-way valve 120 and the refrigerant outlet are connected to the air inlet port, respectively; the first box 500 is provided with a first air duct, and the first condenser 131 is arranged in the first air duct; the second box 200 is provided with a second air duct, the evaporator 160 and the second condenser 132 are both arranged in the second air duct, and the evaporator 160 and the second condenser 132 are arranged in sequence along the flow direction of the air duct.

For example, as shown in fig. 1, the compressor 110 of the heat pump system has an air intake interface and an air exhaust interface, an inlet of the throttling device 150 is a refrigerant inlet of the evaporation assembly, an outlet of the evaporator 160 is a refrigerant outlet of the evaporation assembly, the air exhaust interface is connected to a D interface of the four-way valve 120, an E interface of the four-way valve 120 is connected to the first condenser 131 and then to the first one-way valve 141, a C interface of the four-way valve 120 is connected to the second condenser 132 and then to the second one-way valve 142, an outlet of the first one-way valve 141 and an outlet of the second one-way valve 142 are communicated and then connected to the throttling device 150 and the evaporator 160 in sequence, and an S interface of the four-way valve 120 and the refrigerant outlet are communicated and then connected to the air intake interface of the compressor 110; throttle device 150 may be an expansion valve; a communication position between the outlet of the first check valve 141 and the outlet of the second check valve 142 is referred to as a first communication point, and a communication position between the S-port of the four-way valve 120 and the refrigerant outlet is referred to as a second communication point, and in order to optimize the function of the heat pump system, a reservoir and a dry filter may be further disposed between the throttling device 150 and the first communication point, a gas-liquid separator may be disposed between the compressor 110 and the second communication point, and an oil-gas separator may be disposed between the compressor 110 and the four-way valve 120; the first condenser 131 and the second condenser 132 may be both finned condensers, and the evaporator 160 may be a finned evaporator 160.

When the air conditioner is used, the inlet and the outlet of the first air channel can be arranged outdoors, and the inlet and the outlet of the second air channel are arranged indoors; when the port D of the four-way valve 120 is communicated with the port E and the port S is communicated with the port C, the refrigerant discharged from the compressor 110 passes through the first condenser 131, the throttling device 150 and the evaporator 160 and then returns to the compressor 110, the heat absorbed by the evaporator 160 from the second air duct is dissipated to the first air duct through the first condenser 131, and the heat pump dehumidification temperature control unit plays a role in refrigerating and dehumidifying indoors; when the port D of the four-way valve 120 is communicated with the port C and the port S is communicated with the port E, the refrigerant discharged from the compressor 110 passes through the second condenser 132, the throttling device 150 and the evaporator 160 and then returns to the compressor 110, the evaporator 160 radiates heat absorbed from the second air duct back to the second air duct through the second condenser 132, the heat generated by the operation of the compressor 110 is also radiated to the second air duct through the second condenser 132, and the heat pump dehumidification temperature control unit plays a role in heating and dehumidifying the indoor space; when the temperature control device is used, the time of refrigeration dehumidification and heating dehumidification is controlled according to the requirement, so that the aim of dehumidification temperature control can be fulfilled, and the temperature control device is suitable for places needing temperature maintenance; the evaporator 160 and the second condenser 132 are sequentially arranged along the flow direction of the air channel, and the air is heated after the moisture in the air is condensed to realize dehumidification, so that the saturated vapor pressure is prevented from being increased due to the fact that the air is heated firstly.

In some embodiments of the present invention, a first fan 510 is disposed on the first air duct. The first fan 510 is arranged to accelerate the flow of the air flow in the first air duct, so that the efficiency of the first condenser 131 is improved; referring to fig. 3, the first box 500 has an inner cavity, and a first open opening and a second open opening, the first open opening is disposed at the right side of the inner cavity, the second open opening is disposed at the top of the inner cavity, the first condenser 131 is disposed at the side of the first open opening, the first fan 510 is disposed at the second open opening, the structure is simple, the arrangement is convenient, and the first box 500 can be directly placed on the ground; the first condenser 131 may be disposed in a ring shape, the number of the first open ports is four, four first open ports are disposed around the first box 500, and the air flows flowing in from the four first open ports can all pass through the first condenser 131 and then flow out from the second open port; the first fan 510 may be an axial flow fan, the first air duct communicates with the outside, the first fan 510 does not need to provide a large air pressure, and the axial flow fan has a large flow rate and a small air pressure, and is suitable for such a situation.

In some embodiments of the present invention, an electric heating device 310 is further disposed in the second air duct, and the second condenser 132 and the electric heating device 310 are sequentially disposed along a flow direction of the air duct. In the heating and dehumidifying state, the heat quantity increased in the second air duct is only the heat quantity generated when the compressor 110 operates, and the heating efficiency is low; by arranging the electric heating device 310, the electric heating device 310 can be started when rapid heating is needed, so that the heating efficiency is improved; second condenser 132 and electric heater unit 310 follow the flow direction in wind channel sets gradually, and the air heats through electric heater unit 310 again through second condenser 132 earlier, and the air temperature of the second condenser 132 department of then flowing through is lower, and the work efficiency of second condenser 132 is higher, and heat pump system's efficiency is higher, and then the work efficiency of evaporimeter 160 is higher, and dehumidification effect is better.

In some embodiments of the present invention, the electric heating device 310 is a PTC heater. Referring to fig. 2, two PTC heaters may be provided, the two PTC heaters extend forward and backward, and the two PTC heaters are disposed at the left side of the second condenser 132 at an interval from top to bottom, so that the structure is simple, the heating is uniform, the arrangement is convenient, the safety performance of the PTC heaters is high, and the utility model is suitable for use.

In some embodiments of the present invention, the second cabinet 200 is provided with a first chamber portion 210 and a second chamber portion 220, the first chamber portion 210 is provided on the upper side of the second chamber portion 220, a partition wall is provided between the first chamber portion 210 and the second chamber portion 220, the partition wall is provided with a communication port 240, the second air duct has an air duct inlet 221 and an air duct outlet 211, the air duct inlet 221 is provided on the wall of the second chamber portion 220, and the air duct outlet 211 is provided on the wall of the first chamber portion 210; the second condenser 132 and the evaporator 160 are stacked, the second condenser 132 and the evaporator 160 are both disposed between the communication port 240 and the air duct inlet 221, a second fan is disposed in the first chamber portion 210, and the second fan is disposed between the communication port 240 and the air duct outlet 211. Referring to fig. 2, the air duct inlet 221 is disposed on the right side of the second chamber portion 220, the air duct outlet 211 is disposed on the right side of the first chamber portion 210, and the second air duct flows in the air duct inlet 221, the second chamber portion 220, the communication port 240, the first chamber portion 210, and the air duct outlet 211; the communication port 240 penetrates through the partition wall up and down, and the second condenser 132 and the evaporator 160 are stacked on the side of the air duct inlet 221, so that the front and back size and the vertical size of the second chamber part 220 are large, the transverse size is small, the flow area of the evaporator 160 and the second condenser 132 is kept large, and meanwhile, the occupied space of the second chamber part 220 is small; through setting up first chamber portion 210, reserve sufficient space for setting up baroceptor and flow sensor, can set up baroceptor in first chamber portion 210 during the use, wind channel export 211 sets up flow sensor to the operating condition of real-time supervision heat pump dehumidification temperature control unit.

In some embodiments of the present invention, the second casing 200 is further provided with a third cavity 230, the third cavity 230 is disposed at the lower side of the second cavity 220, and the compressor 110, the four-way valve 120 and the throttling device 150 are all disposed in the third cavity 230; a control electrical box 330 is disposed in the third cavity 230, and the second fan, the compressor 110 and the four-way valve 120 are all electrically connected to the control electrical box 330. Referring to fig. 2, the control electrical box 330 is disposed on the left side of the three-chamber portion, the first fan 510 and the electric heating device 310 may also be electrically connected to the control electrical box 330, components of the heat pump system such as the compressor 110, the gas-liquid separator, and the oil-gas separator are disposed on the right side of the third chamber portion 230, and are adapted to the positions of the second condenser 132, the evaporator 160, the air duct inlet 221, and the air duct outlet 211, components of the heat pump system such as the compressor 110, the gas-liquid separator, and the oil-gas separator may be directly connected to the second condenser 132 and the evaporator 160 upward, an operator may operate the control electrical box 330 on the left side of the second box 200, and the air duct inlet 221 and the air duct outlet 211 may not hinder the operator; by arranging the third chamber part 230, enough space is reserved for placing the control electric box 330, the compressor 110 and other parts, and the control electric box 330, the compressor 110 and other parts do not need to be flushed by airflow, so that the occurrence rate of faults is reduced.

In some embodiments of the present invention, the second fan is a centrifugal fan, the second fan includes a centrifugal impeller 340, an axial direction of the centrifugal impeller 340 is vertically disposed, the centrifugal impeller 340 has an air inlet, the air inlet is located at the bottom of the centrifugal impeller 340, and the air inlet is located at an upper side of the communication port 240. The centrifugal fan comprises a centrifugal impeller 340 and a motor for driving the centrifugal impeller 340, the motor can be arranged at the upper side of the centrifugal impeller 340, the centrifugal impeller 340 and the driving shaft of the motor rotate coaxially, or the motor can be arranged at the side of the centrifugal impeller 340, and the driving shaft of the motor and the centrifugal impeller 340 are driven by a gear mechanism, a belt wheel mechanism or other suitable mechanisms; the air pressure generated by the centrifugal fan is large, so that the air flow is conveniently conveyed to the indoor space; the air inlet is located at the bottom of the centrifugal impeller 340 and is arranged at the upper side of the communication port 240, so that the centrifugal fan can normally operate without additionally arranging a shell, and the structure is simplified.

In some embodiments of the present invention, the communication opening 240 has a convex edge, and the air inlet is sleeved outside the convex edge. A gap is formed between the centrifugal impeller 340 and the partition wall to prevent the centrifugal impeller 340 from rubbing the partition wall, and the convex edge is arranged to prevent air sent by the centrifugal impeller 340 from flowing back to the air inlet from the gap, so that the air supply efficiency of the centrifugal fan is improved.

In some embodiments of the present invention, a carbon dioxide detector 320 is disposed in the second chamber portion 220, and the carbon dioxide detector 320 is disposed between the communication port 240 and the second condenser 132. The greenhouse needs to throw carbon dioxide at variable time and keep the concentration of the carbon dioxide to promote the growth of crops, and by arranging the carbon dioxide detector 320 in the second cavity part 220, the airflow in the second cavity part 220 flows constantly and can accurately reflect the concentration condition of the carbon dioxide in the greenhouse, so that an operator can throw the carbon dioxide according to information fed back by the carbon dioxide detector 320; the space between the communication port 240 and the second condenser 132 is large, and the carbon dioxide detector 320 is easily installed.

While the preferred embodiments of the present invention have been described in detail, it should be understood that the utility model is not limited to those precise embodiments, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope or spirit of the utility model as defined in the appended claims.

Claims

1. The utility model provides a heat pump dehumidification temperature control unit which characterized in that includes:

the heat pump system comprises a compressor, a four-way valve, a first condenser, a second condenser, a first one-way valve, a second one-way valve and an evaporation assembly, wherein the evaporation assembly comprises a throttling device and an evaporator which are connected in series, the compressor is provided with an air inlet interface and an air outlet interface, the evaporation assembly is provided with a refrigerant inlet and a refrigerant outlet, the air outlet interface is connected to a D interface of the four-way valve, the first condenser and the first one-way valve are sequentially connected between the E interface of the four-way valve and the refrigerant inlet, the second condenser and the second one-way valve are sequentially connected between the C interface of the four-way valve and the refrigerant inlet, and the S interface of the four-way valve and the refrigerant outlet are respectively connected to the air inlet interface;

the first box body is provided with a first air channel, and the first condenser is arranged in the first air channel;

the second box, it is equipped with the second wind channel, the evaporimeter with the second condenser is all located in the second wind channel, the evaporimeter with the second condenser is followed the flow direction in wind channel sets gradually.

2. The heat pump dehumidification temperature control unit of claim 1, wherein: and a first fan is arranged on the first air duct.

3. The heat pump dehumidification temperature control unit of claim 1, wherein: still be equipped with electric heater unit in the second wind channel, the second condenser with electric heater unit follows the flow direction in wind channel sets gradually.

4. The heat pump dehumidification temperature control unit of claim 3, wherein: the electric heating device is a PTC heater.

5. The heat pump dehumidification temperature control unit of claim 1, wherein: the second box body is provided with a first cavity part and a second cavity part, the first cavity part is arranged on the upper side of the second cavity part, a partition wall is arranged between the first cavity part and the second cavity part, the partition wall is provided with a communication port, the second air duct is provided with an air duct inlet and an air duct outlet, the air duct inlet is arranged on the cavity wall of the second cavity part, and the air duct outlet is arranged on the cavity wall of the first cavity part; the second condenser with the evaporimeter is folded and is established, the second condenser with the evaporimeter is all located the intercommunication mouth with between the wind channel entry, be equipped with the second fan in the first chamber portion, the second fan is located the intercommunication mouth with between the wind channel export.

6. The heat pump dehumidification temperature control unit of claim 5, wherein: the second box body is also provided with a third cavity part, the third cavity part is arranged at the lower side of the second cavity part, and the compressor, the four-way valve and the throttling device are all arranged in the third cavity part; and a control electric box is arranged in the third cavity, and the second fan, the compressor and the four-way valve are electrically connected with the control electric box.

7. The heat pump dehumidification temperature control unit of claim 5, wherein: the second fan is a centrifugal fan, the second fan comprises a centrifugal impeller, the axial direction of the centrifugal impeller is vertical, the centrifugal impeller is provided with an air inlet, the air inlet is located at the bottom of the centrifugal impeller, and the air inlet is located at the upper side of the communicating port.

8. The heat pump dehumidification temperature control unit of claim 7, wherein: the communicating opening is provided with a convex edge, and the air inlet is sleeved on the outer side of the convex edge.

9. The heat pump dehumidification temperature control unit of claim 5, wherein: and a carbon dioxide detector is arranged in the second cavity part and is arranged between the communication port and the second condenser.