CN219140948U

CN219140948U - Fresh air dehumidifier

Info

Publication number: CN219140948U
Application number: CN202223529229.3U
Authority: CN
Inventors: 潘向辉; 孙磊; 郭建喜
Original assignee: Shanghai Hengyi Environmental Technology Co ltd
Current assignee: Shanghai Hengyi Environmental Technology Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-06-06
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a fresh air dehumidifier, which relates to the technical field of fresh air dehumidification and has the technical scheme that: including the evaporimeter among casing and air conditioning system, from right to left has set gradually total heat recovery core, evaporimeter, sensible heat recovery core and air supply fan in the casing, and total heat recovery core and sensible heat recovery core all include return air end, exhaust end, new trend entering end and new trend outflow end, are provided with the blast gate that is used for opening and close its return air entry on the sensible heat recovery core. The utility model can regulate and control the temperature and humidity simultaneously, can control the temperature and dehumidify, has the advantage of wide application range, can reduce the load of the compressor and the evaporator in the air conditioning system simultaneously, does not need to use an electric heater, and has better energy-saving effect.

Description

Fresh air dehumidifier

Technical Field

The utility model relates to the technical field of fresh air dehumidification, in particular to a fresh air dehumidifier.

Background

The fresh air dehumidifier can be used for natural ventilation on one hand, and indoor and outdoor air is expanded and exchanged, so that indoor air is kept fresh continuously, and on the other hand, the indoor air can be dehumidified.

The existing fresh air dehumidifier mainly comprises an outdoor outer machine and an indoor inner machine, wherein the outdoor outer machine is arranged outside the room, the indoor inner machine comprises an evaporator, an electric heater, a fan and a water container, the outer machine is used for providing cold energy to the evaporator, indoor moisture contacts with the evaporator to form liquid drops and dry gas, the liquid drops are collected in the water container, and in order to avoid the condition that the dry gas is supercooled, the dry gas is usually required to be heated by the electric heater and then is drained to the room by the fan.

In the mode, during operation, the indoor part of return air with heat is discharged to the outside inevitably, new heat is needed to be supplemented, the part of return air cannot be recycled under the condition of not consuming external energy, the output temperature of dry gas can be regulated and controlled only through the electric heater, the operation load of the fresh air dehumidifier is increased, and the energy-saving effect is poor.

Aiming at the problems, the Chinese patent with publication number CN101672501A discloses a regenerative adsorption dehumidifier, which has the technical scheme that: the adsorption type rotary dehumidifier comprises an adsorption type rotary dehumidifier and an electric heater, wherein the adsorption type rotary dehumidifier is internally divided into an adsorption treatment area and a regeneration area by a closed heat-insulating partition board. The heat exchanger is structurally characterized by further comprising a heat exchanger and a sensible heat exchanger. The indoor exhaust air is discharged outdoors through the heat exchanger, the electric heater and the regeneration zone of the adsorption rotary dehumidifier, and the indoor return air enters the heat exchanger through the adsorption treatment zone of the adsorption rotary dehumidifier and is returned indoors.

The mode discloses a sensible heat exchanger, and utilizes the condensation waste heat of a refrigerating system to take indoor exhaust air as the renewable energy source of the adsorption rotary dehumidifier, and takes the indoor exhaust air as the renewable gas, so that the dehumidification effect is improved while the fresh air quantity is not increased, and the energy saving and consumption reduction are realized.

There is therefore a need to propose a new solution to this problem.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a fresh air dehumidifier which solves the problems of high energy consumption and high application limitation of the existing fresh air dehumidifier.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a new trend dehumidifier, includes the evaporimeter among casing and the air conditioning system, the evaporimeter sets up in the casing, from right to left set gradually total heat recovery core, sensible heat recovery core and air supply fan in the casing, the evaporimeter sets up between total heat recovery core and sensible heat recovery core, total heat recovery core and sensible heat recovery core all include return air end, exhaust end, new trend entering end and new trend outflow end, be provided with the return air entry and the export of airing exhaust that are linked together with the return air end and the exhaust end of total heat recovery core and sensible heat recovery core respectively on the casing, still be provided with the new trend entry that is linked together with the new trend entering end of total heat recovery core on the casing, switch on between fresh air entering end, fresh air exiting end and the air supply fan of total heat recovery core, still be provided with the return air outlet that switches on with the air supply fan on the casing, be provided with the blast valve that is used for opening and close its entry on the sensible heat recovery core.

In one embodiment, the inner bottom of the shell is provided with a water receiving tank, the shell is provided with a drain pipe communicated with the water receiving tank, and one end of the drain pipe away from the water receiving tank is arranged outdoors.

In one embodiment, the centerlines of the total heat recovery core, evaporator, sensible heat recovery core, and blower fan are collinear.

In one embodiment, the outer peripheral walls of the total heat recovery core, the evaporator and the sensible heat recovery core are respectively closely attached to the inner peripheral wall of the shell.

In one embodiment, the air valve further comprises a controller, and the air valve is electrically connected with the controller. In summary, the utility model has the following beneficial effects: according to the utility model, through the arrangement of the total heat recovery core, the evaporator, the sensible heat recovery core and the air valve, when the air valve is closed, the air valve is in a temperature control and humidity control mode, after the temperature and humidity of fresh air are regulated and controlled through the total heat recovery core and the evaporator, the fresh air flows into the air supply fan from the fresh air inlet end and the fresh air outlet end of the sensible heat recovery core and is sent into a room from the air outlet, and at the moment, the sensible heat recovery core does not perform heat exchange, so that the indoor environment with more comfortable temperature and humidity can be kept; when the air valve is opened and is in a temperature control dehumidification mode, fresh air can sequentially pass through the total heat recovery core and the sensible heat recovery core, and the reheat recovery of indoor return air is carried out twice, so that the temperature regulation and control capability of the air conditioner is improved while external energy is not increased, the energy consumption can be effectively reduced, and the indoor can be kept in a drier state.

Drawings

Fig. 1 is a schematic structural diagram of a fresh air dehumidifier according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a return air end, an exhaust end, a fresh air inlet end and a fresh air outlet end in the fresh air dehumidifier according to the embodiment of the application.

In the figure: 1. a housing; 11. a return air inlet; 12. a fresh air inlet; 13. an exhaust outlet; 14. an air outlet; 2. a total heat recovery core; 3. an evaporator; 4. a sensible heat recovery core; 5. an air supply fan; 7. a return air end; 8. an exhaust end; 9. a fresh air inlet end; 10. and a fresh air outlet end.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

As shown in fig. 1 and 2, an embodiment of the present application provides a fresh air dehumidifier, including a housing 1 and an evaporator 3 in an air conditioning system, where the evaporator 3 is disposed in the housing 1. The utility model discloses a full heat recovery core, sensible heat recovery core, including casing 1, evaporator 3, air supply fan, casing 1 is interior from right to left has set gradually full heat recovery core 2, sensible heat recovery core 4 and air supply fan 5, evaporator 3 sets up between full heat recovery core 2 and sensible heat recovery core 4, full heat recovery core 2 and sensible heat recovery core 4 all include return air end 7, exhaust end 8, fresh air entering end 9 and fresh air outflow end 10, be provided with respectively on casing 1 with full heat recovery core 2 and sensible heat recovery core 4 return air inlet 11 and the export 13 of airing exhaust that are linked together with return air end 7 and exhaust end 8, still be provided with on casing 1 with full heat recovery core 2's fresh air entering end 9 be linked together fresh air inlet 12. The fresh air outflow end 10 of the total heat recovery core 2, the evaporator 3, the fresh air inlet end 9 of the sensible heat recovery core 4, the fresh air outflow end 10 and the air supply fan 5 are communicated, and the shell 1 is also provided with an air outlet 14 communicated with the air supply fan 5. The sensible heat recovery core 4 is provided with an air valve for opening and closing the return air inlet 11.

Specifically, the air valve further comprises a controller, wherein the controller can be a single-chip microcomputer system, a PLC (programmable logic controller) and the like, and the air valve is electrically connected with the controller.

It should be noted that the air conditioning system further includes an air conditioner external unit connected to the evaporator 3, which specifically adopts the prior art, and is not described in detail in this embodiment, and in addition, the sensible heat recovery core 4 and the total heat recovery core 2 both adopt the prior art, wherein the sensible heat recovery core 4 has a higher heat exchange capability, but only can handle a temperature difference, and the total heat recovery core 2 can handle both a temperature difference and a humidity difference, but has a weaker heat exchange capability than the sensible heat recovery core 4.

The fresh air dehumidifier of the embodiment of the application has the following working modes:

in the temperature control dehumidification mode, the fresh air inlet end 9 of the sensible heat recovery core 4 is opened by the air valve, fresh air enters the total heat recovery core 2 from outdoors, indoor return air with heat enters the total heat recovery core 2 to exchange heat with the fresh air, the return air after heat exchange is discharged outdoors by the air exhaust outlet 13, the fresh air after heat exchange enters the evaporator 3 and contacts with finned tubes of the evaporator 3, when the evaporator 3 refrigerates, the fresh air is cooled to form dry fresh air and liquid drops, the liquid drops are collected in the shell 1, and the dry fresh air enters the room after being reheated by the sensible heat recovery core 4, so that the room is at a required target temperature, and the indoor dehumidification can be effectively performed.

In the temperature control and humidity control mode, the air valve closes the return air inlet 11 of the sensible heat recovery core 4, under the drainage effect of the air supply fan 5, fresh air flows into the air supply fan from the fresh air inlet end 9 and the fresh air outlet end 10 of the sensible heat recovery core 4 after temperature and humidity regulation and control are carried out on the fresh air through the total heat recovery core 2 and the evaporator 3, at the moment, the sensible heat recovery core 4 does not conduct heat exchange and is fed into a room from the air outlet 14, and in the mode, the refrigerating capacity of the evaporator 3 can be controlled by controlling the power of the compressor in the air conditioning system, so that the dehumidifying capacity of the fresh air can be regulated and controlled, the moisture in the fresh air can not be completely liquefied, and the regulation and control of the humidity in the fresh air can be realized.

In summary, the utility model has the following beneficial effects: according to the utility model, through the arrangement of the total heat recovery core 2, the evaporator 3, the sensible heat recovery core 4 and the air valve, when the air valve is closed, the air valve is in a temperature control and humidity control mode, after the temperature and humidity of fresh air are regulated and controlled through the total heat recovery core 2 and the evaporator 3, the fresh air flows into the air supply fan from the fresh air inlet end 9 and the fresh air outlet end 10 of the sensible heat recovery core 4, and is fed into a room from the air outlet 14, so that the indoor environment with more comfortable temperature and humidity can be maintained; when the air valve is opened and then is in a temperature control dehumidification mode, fresh air can sequentially pass through the total heat recovery core 2 and the sensible heat recovery core 4, and the reheating recovery of indoor return air is carried out twice, so that the temperature regulation and control capability of the air conditioner is improved while external energy is not increased, the energy consumption can be effectively reduced, and the indoor can be kept in a drier state.

In this embodiment, the inner bottom of the casing 1 is provided with a water receiving tank, the casing 1 is provided with a drain pipe communicated with the water receiving tank, and one end of the drain pipe away from the water receiving tank is placed outdoors.

Through the setting of water receiving tank and drain pipe for the collection of the water that forms after the dehumidification is more convenient.

In this embodiment, the central lines of the total heat recovery core 2, the evaporator 3, the sensible heat recovery core 4 and the blower fan 5 are collinear.

In the mode, the contact areas of the fresh air, the total heat recovery core 2, the evaporator 3, the sensible heat recovery core 4 and the air supply fan 5 are increased, and the dehumidifying, heat exchanging and air supply capabilities of the utility model are improved.

In this embodiment, the outer peripheral walls of the total heat recovery core 2, the evaporator 3, and the sensible heat recovery core 4 are respectively closely attached to the inner peripheral wall of the casing 1.

Specifically, the above-mentioned mode makes the return air inlet 11, the exhaust outlet 13, the new trend entry 12 of casing 1 can directly respectively with return air end 7, exhaust end 8, the new trend entering end 9 of total heat recovery core 2 contact to do not have the clearance between other positions of total heat recovery core 2 and casing 1, make return air and new trend can not take place the backward flow in other positions in casing 1, reduced the new trend contaminated or the problem that heat exchange efficiency reduces, the purpose that evaporator 3, sensible heat recovery core 4 set up like this is also the same with the purpose of total heat recovery core 2.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a new trend dehumidifier, includes evaporimeter (3) among casing (1) and air conditioning system, evaporimeter (3) set up in casing (1), its characterized in that: all heat recovery core (2), sensible heat recovery core (4) and air supply fan (5) have been set gradually from right to left in casing (1), evaporimeter (3) set up between total heat recovery core (2) and sensible heat recovery core (4), total heat recovery core (2) and sensible heat recovery core (4) all include return air end (7), exhaust end (8), fresh air entering end (9) and fresh air outlet (10), be provided with on casing (1) respectively with return air end (7) and the air supply fan (13) that return air end (7) and the air exhaust end (8) of total heat recovery core (2) are linked together, still be provided with on casing (1) with fresh air entering end (9) of total heat recovery core (2) are linked together fresh air inlet (12), fresh air entering end (9), the flow end (10) and the air supply fan (5) of total heat recovery core (2) between, still be provided with on casing (1) and switch on and be used for opening and close fresh air inlet (14) of fresh air inlet (5).

2. The fresh air dehumidifier of claim 1, wherein: the novel water-saving device is characterized in that a water receiving groove is formed in the inner bottom of the shell (1), a drain pipe communicated with the water receiving groove is arranged on the shell (1), and one end, far away from the water receiving groove, of the drain pipe is arranged outdoors.

3. The fresh air dehumidifier of claim 1, wherein: the central lines of the total heat recovery core (2), the evaporator (3), the sensible heat recovery core (4) and the air supply fan (5) are collinear.

4. The fresh air dehumidifier of claim 1, wherein: the outer peripheral walls of the total heat recovery core (2), the evaporator (3) and the sensible heat recovery core (4) are respectively and tightly attached to the inner peripheral wall of the shell (1).

5. The fresh air dehumidifier of claim 1, wherein: the air valve is electrically connected with the controller.