CN219713558U

CN219713558U - Variable-frequency dehumidification heat pump device

Info

Publication number: CN219713558U
Application number: CN202320954882.XU
Authority: CN
Inventors: 吕伯基; 陈永光; 欧阳浩德
Original assignee: Guangdong Weilangshi Water Environment Equipment Co ltd
Current assignee: Guangdong Weilangshi Water Environment Equipment Co ltd
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2023-09-19
Anticipated expiration: 2033-04-24

Abstract

The utility model relates to the technical field of indoor air treatment, in particular to a variable-frequency dehumidification heat pump device, which comprises a box body with a fresh air inlet, an air supply outlet, an air return outlet and an air outlet, wherein an evaporator, a condenser, an exhaust fan, a blower and a control electric box are arranged in the box body; the evaporator and the condenser divide the first cavity into a return air area and a mixed air area, the return air inlet is arranged on the return air area, and the fresh air inlet is arranged on the mixed air area. According to the utility model, the evaporator and the condenser are arranged in the same cavity, the evaporator and the condenser divide the first cavity into the return air area and the air mixing area, the return air inlet is arranged on the return air area, and the fresh air inlet is arranged on the air mixing area, so that the whole device is more compact, and the whole volume of the device is reduced.

Description

Variable-frequency dehumidification heat pump device

Technical Field

The utility model relates to the technical field of indoor air treatment, in particular to a variable-frequency dehumidifying heat pump device.

Background

The indoor swimming pool has large space, and the swimming pool continuously evaporates water within 24 hours, so that dehumidification of the indoor swimming pool is required to be carried out all the time, the indoor place can be ensured not to be condensed, and the indoor decoration is prevented from mildewing and damaging. In the process of dehumidifying operation, a common dehumidifying heat pump device needs to use equipment such as a blower, an exhaust fan, a condenser, an evaporator and the like, which causes the problem of larger whole volume of the device.

The dehumidifying heat pump device with purification and disinfection (publication No. CN 216557448U) applied by the same applicant comprises a box body, wherein the top of the box body is sequentially provided with an air return port, an air fresh port, an air exhaust port and an air supply port, two layers of air return fans, evaporators, condensers, surface coolers and air supply fans are sequentially arranged in the box body, and an air return static pressure box, an air fresh static pressure box, an air exhaust static pressure box, a main control box and an air supply static pressure box are sequentially arranged in the lower layer of the box body; the fresh air static pressure box and the exhaust static pressure box are provided with a total heat exchanger, an air valve is fixedly arranged at the lower end of the total heat exchanger, and a photo-hydrogen ion air purifier is arranged in the air supply static pressure box. The above-mentioned technique has the following problems: the whole volume of the equipment is larger, and the compactness of the equipment still has room for improvement.

The double-steaming integrated outdoor-condenser-free swimming pool constant temperature and constant humidity integrated dehumidification heat pump comprises a shell, and a compressor, a pool water heater, a first fan, a first evaporator, an air heat exchanger, a second fan, a second evaporator, a third fan, a first expansion valve and a second expansion valve which are arranged in the shell. The above-mentioned technique has the following problems: the whole volume of the equipment is larger, and the compactness of the equipment still has room for improvement.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to: the frequency conversion dehumidification heat pump device is compact in structure.

The utility model adopts the technical scheme that:

the variable-frequency dehumidification heat pump device comprises a box body with a fresh air inlet, an air supply outlet, an air return outlet and an air outlet, wherein an evaporator, a condenser, an exhaust fan, a blower and a control electric box are arranged in the box body, a frequency converter is arranged on the control electric box, a plurality of cavities are arranged in the box body, each cavity comprises a first cavity, and the evaporator and the condenser are both arranged in the first cavity; the evaporator and the condenser divide the first cavity into a return air area and a mixed air area, the return air inlet is arranged on the return air area, and the fresh air inlet is arranged on the mixed air area.

As a further improvement of the above technical solution, the first cavity is disposed in an upper left corner of the case; the condenser is arranged on the right side of the evaporator, the return air area is formed between the evaporator and the left side wall of the first cavity, and the air mixing area is formed between the evaporator and the condenser.

As a further improvement of the above technical solution, the upper end of the evaporator is inclined leftwards and is closely attached to the left side wall of the first cavity.

As a further improvement of the technical scheme, the frequency converter comprises an exhaust fan frequency converter and a blower frequency converter, wherein the exhaust fan frequency converter is electrically connected with the exhaust fan, and the blower frequency converter is electrically connected with the blower.

As a further improvement of the technical scheme, the cavity further comprises a second cavity, the second cavity is arranged on the right side of the first cavity and is communicated with the first cavity, the air feeder is arranged in the second cavity, and the air supply opening is arranged on the second cavity.

As a further improvement of the above technical solution, the cavity further includes a third cavity, the third cavity is disposed on the right side of the second cavity, and the control electric box is installed in the third cavity.

As a further improvement of the technical scheme, the cavity further comprises a fourth cavity, the fourth cavity is arranged below the first cavity and is communicated with the first cavity, the exhaust fan is arranged in the fourth cavity, and the exhaust port is arranged on the fourth cavity.

The beneficial effects of the utility model are as follows: according to the utility model, the evaporator and the condenser are arranged in the same cavity, the evaporator and the condenser divide the first cavity into the return air area and the air mixing area, the return air inlet is arranged on the return air area, and the fresh air inlet is arranged on the air mixing area, so that the whole device is more compact, and the whole volume of the device is reduced.

Drawings

The utility model is further illustrated by the following description and examples of the embodiments in conjunction with the accompanying drawings.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front elevational view of the structure of the present utility model;

FIG. 3 is a right side view of the structure of the present utility model;

in the figure: 1-box, 11-first cavity, 111-evaporator, 112-condenser, 113-fresh air inlet, 1131-fresh air valve, 114-return air inlet, 1141-return air valve, 115-return air zone, 116-mixed air zone, 12-second cavity, 121-blower, 122-air supply inlet, 13-third cavity, 131-control electric box, 1311-exhaust fan frequency converter, 1312-blower frequency converter, 14-fourth cavity, 141-exhaust fan, 142-exhaust outlet, 15-fifth cavity, 151-refrigerant system.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed 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 utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

As shown in fig. 1, a variable-frequency dehumidification heat pump device comprises a box body 1, wherein an upper layer and a lower layer are arranged in the box body 1, a first cavity 11, a second cavity 12 and a third cavity 13 are sequentially arranged on the upper layer from left to right, a fourth cavity 14 and a fifth cavity 15 are sequentially arranged on the lower layer from left to right, the first cavity 11 is communicated with the second cavity 12, and the first cavity 11 is communicated with the fourth cavity 14.

A fresh air port 113 is arranged on the upper side wall of the first cavity 11, a fresh air valve 1131 is arranged at the fresh air port 113, an air return port 114 is arranged on the left side wall of the first cavity 11, an air return valve 1141 is arranged at the air return port 114, an evaporator 111 for dehumidification and refrigeration and a condenser 112 for reheating are arranged in the first cavity 11, and the evaporator 111 is positioned at the left side of the condenser 112; the upper end of the evaporator 111 is inclined leftwards and is tightly attached to the left side wall of the first cavity 11 (the evaporator 111 is obliquely arranged), and the inclination of the evaporator 111 by 45-55 degrees can effectively reduce moisture residue on the fins, form a certain included angle with the return air inlet 114, enable the windspeed at the head-on of the fins to be more uniform, reduce the water flying problem caused by overlarge wind speed and improve the dehumidification efficiency; the air mixing area 116 with wide upper part and narrow lower part is formed between the evaporator 111 and the condenser 112, the fresh air port 113 is positioned on the side wall above the air mixing area 116, the fresh air port 113 is arranged between the evaporator 111 and the condenser 112, the heat radiation influence between the two devices is reduced, the adverse influence of fresh air on the dehumidifying capacity of the evaporator 111 caused by the fresh air can be reduced by introducing the fresh air into the air mixing area in the process of increasing the fresh air quantity, the excessive air quantity of the condenser 112 is increased, the condensing effect exerted by the condenser 112 is more, the condensing temperature is lower than that of the air mixing area by 1-2 ℃, the input power is lower when the temperature rising and dehumidifying mode is operated, the energy consumption is reduced, and the dehumidifying capacity of a product is further improved. The utility model adopts the compact structural design, can meet the effects of air duct switching and energy saving, has the same size as a horizontal product, reduces 20 percent, has connecting parts in all areas, has shorter connection between wires and copper pipes, meets the requirements of villas and small swimming pool venues, and has small occupied area.

An air supply port 122 is arranged on the upper side wall of the second cavity 12, an air feeder 121 is arranged below the air supply port 122, a single air feeder 121 is used as a main pipeline for supplying air, an exhaust fan 141 is used for adjusting the fresh air quantity, frequency conversion adjustment is more convenient in a switching mode, and energy consumption is lower than that of a conventional return air machine and air feeder design.

The third cavity 13 is internally provided with a control electric box 131, the control electric box 131 is a special electric box with a heat dissipation device and strong and weak electricity separation, the control electric box 131 mainly comprises an electric control system, a frequency converter and related electric accessories, referring to fig. 3, the frequency converter comprises an exhaust fan frequency converter 1311 and a blower frequency converter 1312, the exhaust fan frequency converter 1311 is electrically connected with the exhaust fan, and the blower frequency converter 1312 is electrically connected with the blower. On one hand, the traditional three-in-one dehumidification heat pump mainly adopts a fixed-frequency compressor to dehumidify and keep constant temperature, the compressor and the fan are required to be started for a long time, the states of the fan and the compressor cannot be timely adjusted according to the actual situation of a customer to reach the optimal state, the unit is always in a full-on state, the energy consumption is high, meanwhile, swimming pool customers lack of professional knowledge, the mode cannot be timely converted, and the energy consumption of equipment is increased; on the other hand, some dehumidification heat pump products can use fresh air to change air by adopting an air valve switching mode, but the fresh air is generally required to be manually switched by a client, and the fan is not controlled to be suitable for pressure loss change after the air valve change, so that the use effect is poor and more power consumption is easy to cause.

An exhaust port 142 is disposed on the left side wall of the fourth cavity 14, and an exhaust fan 141 is installed in the fourth cavity 14.

The fifth cavity 15 is internally provided with a refrigerant system 151, the refrigerant system 151 is connected with the evaporator 111 and the condenser 112, the control electric box 131 is electrically connected with the refrigerant system 151, the refrigerant system 151 comprises refrigeration fittings such as a compressor, a four-way valve, oil, gas, copper pipes and the like, and the fifth cavity 15 is hermetically designed to avoid contact with air.

As shown in fig. 2, indoor air enters the variable frequency dehumidification heat pump device from the return air inlet 114, and a part of the indoor air flows to the evaporator 111; the other part of air flows to the air exhauster 141, and is exhausted out of the air exhauster 141 to the air outlet 142, and is further exhausted out of the room. The air flowing to the evaporator 111 dehumidifies and cools through the evaporator 111, enters the air mixing area 116, is mixed with fresh air in the air mixing area 116 (the fresh air is introduced through the fresh air inlet 113), is heated through the condenser 112 to obtain dry high-temperature air, is introduced into the second cavity 12, and is then introduced into the room through the blower 121 in the second cavity 12.

By the arrangement of the structure, three energy-saving control modes can be realized:

1. if the outdoor air is detected to be better than the indoor air (the water content is lower, the temperature is in the control range), the electric box 131 is controlled to open the fresh air valve 1131 in proportion to the set value 1, then signals are sent to the exhaust fan frequency converter 1311, the exhaust air quantity is increased, the frequency of the blower 121 is increased by adjusting the frequency converter, the air quantity is increased, the dehumidification quantity is ensured, the fresh air quantity is increased, and the water content of the air outlet is lower, so that the dehumidification process is accelerated.

2. If the relative humidity reaches the standard, the dehumidification heat pump still needs to control the ambient temperature, then the product can carry out variable frequency energy-saving regulation, the variable frequency of the compressor and the fan is required to be regulated according to the on-site heat demand, when the on-site temperature is smaller than the target value + -deviation range, the compressor can gradually reduce the frequency of the fan, and the fan can gradually reduce the frequency of the fan according to the compressor frequency, the minimum air quantity set value and the low pressure set value, so that the input power of the compressor and the fan in the holding area of the product is reduced, the energy-saving purpose is achieved, meanwhile, the product still maintains a certain dehumidification amount, and frequent starting and stopping of the compressor are avoided.

3. The energy-saving mode is mainly applied at night or at leisure time (when the number of people in a swimming pool is very small), after the dehumidifying heat pump product enters the energy-saving mode, the purpose of ensuring that the places are not dewed is achieved, the fresh air quantity is regulated to the maximum, the fresh air valve 1131 is opened to the maximum, the exhaust fan 141 is regulated to the maximum, the frequency of the air blower 121 is reduced to the set low air quantity requirement, and the compressor is not started. The compressor is not required to be started in the running state, the power of the whole fan is also reduced, the indoor air conditioner can be kept in a non-dewing state, a dewing prevention function is provided, when the relative humidity is detected to be kept at a high level in the running state, the compressor is gradually started, and the air conditioner is closed after the relative humidity is reduced.

The configuration and the structure of the variable-frequency dehumidification heat pump device can well complete the control mode switching so as to achieve the purpose of reducing the running cost of products.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims

1. The utility model provides a frequency conversion dehumidification heat pump device, includes box (1) that has fresh air inlet (113), supply-air outlet (122), return air inlet (114) and air exit (142), install evaporimeter (111), condenser (112), exhaust fan (141), forced draught blower (121) and control electronic box (131) in box (1), be provided with the converter on control electronic box (131), its characterized in that:

a plurality of cavities are arranged in the box body (1), each cavity comprises a first cavity (11), and the evaporator (111) and the condenser (112) are both arranged in the first cavity (11);

the evaporator (111) and the condenser (112) divide the first cavity (11) into a return air area (115) and a mixed air area (116), the return air inlet (114) is arranged on the return air area (115), and the fresh air inlet (113) is arranged on the mixed air area (116).

2. A variable frequency dehumidification heat pump apparatus as defined in claim 1, wherein: the first cavity (11) is arranged at the left upper corner in the box body (1);

the condenser (112) is arranged on the right side of the evaporator (111), the return air zone (115) is formed between the evaporator (111) and the left side wall of the first cavity (11), and the air mixing zone (116) is formed between the evaporator (111) and the condenser (112).

3. A variable frequency dehumidification heat pump apparatus as defined in claim 2, wherein:

the upper end of the evaporator (111) is inclined leftwards and clings to the left side wall of the first cavity (11).

4. A variable frequency dehumidification heat pump apparatus as defined in claim 1, wherein:

the frequency converter comprises an exhaust fan frequency converter (1311) and a blower frequency converter (1312), wherein the exhaust fan frequency converter (1311) is electrically connected with the exhaust fan (141), and the blower frequency converter (1312) is electrically connected with the blower (121).

5. A variable frequency dehumidification heat pump apparatus as defined in claim 1, wherein:

the cavity further comprises a second cavity (12), the second cavity (12) is arranged on the right side of the first cavity (11), the second cavity (12) is communicated with the first cavity (11), the air feeder (121) is arranged in the second cavity (12), and the air supply opening (122) is arranged on the second cavity (12).

6. A variable frequency dehumidification heat pump apparatus as defined in claim 5, wherein:

the cavity further comprises a third cavity (13), the third cavity (13) is arranged on the right side of the second cavity (12), and the control electric box (131) is arranged in the third cavity (13).

7. A variable frequency dehumidification heat pump apparatus as defined in claim 1, wherein:

the cavity further comprises a fourth cavity (14), the fourth cavity (14) is arranged below the first cavity (11), the fourth cavity (14) is communicated with the first cavity (11), the exhaust fan (141) is arranged in the fourth cavity (14), and the exhaust port (142) is arranged on the fourth cavity (14).