Horizontal circulation air-cooled air conditioner

Abstract

The utility model discloses a horizontal circulation air-cooled air conditioner which comprises an air conditioning box and a middle partition plate, the middle partition plate divides a cavity in the air conditioning box into an outer circulation cavity and an inner circulation cavity in the vertical direction, and the outer circulation cavity is provided with a compressor, an outer circulation fan and a condenser; the inner circulation chamber is provided with an evaporator and a plurality of groups of inner circulation fans, and the evaporator is vertically arranged on the middle partition plate; the inner circulation fans are defined to correspond to the front face of the air conditioner box, multiple sets of return air inlets are vertically and evenly formed in one side of the front face of the air conditioner box, the multiple sets of return air inlets correspond to the multiple sets of inner circulation fans in a one-to-one mode, and an inner circulation air outlet of a rectangular structure is vertically formed in the other side of the front face of the air conditioner box. The structure can enable the internal circulation air duct to be horizontal circulation, so that the air volume of the internal circulation air outlet is large, the airflow is in the same stroke, and the air outlet is uniform without dead angles.

Description

Technical Field

[0001] The utility model relates to an air conditioner, in particular to a horizontal circulation air-cooling air conditioner. Background Art

[0002] In the energy storage industry, the thermal management of energy storage cabinets mainly adopts air cooling technology. The air cooling system has a simple structure, is reliable and easy to implement, including the use of integrated or split air conditioners. In the prior art, a split air conditioner or an integrated air conditioner is installed in the energy storage cabinet of the battery pack, and the air outlet of the air conditioner is connected to the air duct to directly cool the battery pack. Its disadvantages are: first, in order to make the heat dissipation of the battery pack more uniform, it is necessary to carry out a complex air duct design in the energy storage cabinet; second, the air flow resistance of each battery pack assembly is uneven, resulting in uneven cooling of the battery pack by the air conditioner and low cooling efficiency; third, traditional air conditioners will produce condensation when cooling the battery pack, requiring professional maintenance; fourth, the energy storage cabinet door needs to be opened and closed during air conditioning maintenance and installation, and the original electrical wiring in the cabinet will have great safety risks. As mentioned above, there is a need for an air-cooled air conditioner integrated machine suitable for energy storage cabinets that can solve many of the above problems, including easy installation and maintenance, uniform heat dissipation of the battery pack, and improved cooling efficiency. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a horizontal circulation air-cooled air conditioner, by providing multiple groups of internal circulation fans and air inlets on one side of the front of the air-conditioning box, and correspondingly providing external circulation air outlets on the other side of the front of the air-conditioning box, so that the internal circulation air duct is a horizontal circulation air duct.

[0004] The technical solution of the utility model is:

[0005] It includes an air-conditioning box and a middle partition, wherein the middle partition divides the cavity in the air-conditioning box into an external circulation chamber and an internal circulation chamber in the vertical direction, wherein the external circulation chamber is provided with a compressor, an external circulation fan and a condenser; the internal circulation chamber is provided with an evaporator and multiple groups of internal circulation fans, wherein the evaporator is vertically arranged on the middle partition; the internal circulation fan is defined to correspond to the front of the air-conditioning box, multiple groups of return air vents are vertically and evenly arranged on one side of the front of the air-conditioning box, the multiple groups of return air vents correspond one to one with the multiple groups of internal circulation fans, and a rectangular-shaped internal circulation air outlet is vertically arranged on the other side of the front of the air-conditioning box.

[0006] Its further technical solution is:

[0007] The middle partition is in a U-shaped structure, and the middle partition and the front inner wall of the air-conditioning box are combined to form an internal circulation chamber.

[0008] Its further technical solution is:

[0009] The evaporator and the condenser are both serpentine coils formed by coiling pipes.

[0010] Its further technical solution is:

[0011] The evaporator is fixedly arranged on the middle partition plate in an inclined manner and is connected to the upper and lower ends of the middle partition plate. The opening direction of the evaporator's inclination angle faces the internal circulation fan.

[0012] Its further technical solution is:

[0013] The internal circulation fan and the external circulation fan are both cross-flow fans.

[0014] Its further technical solution is:

[0015] A plurality of heaters are arranged in the inner circulation chamber facing the evaporator, and two ends of the heaters are arranged on a side of the inner circulation fan facing the evaporator through a fixing frame.

[0016] Its further technical solution is:

[0017] The condenser divides the external circulation chamber into a lower chamber and an upper chamber, and each end surface of the air conditioning box of the upper chamber is provided with an external circulation air outlet.

[0018] Its further technical solution is:

[0019] The condenser is arranged on the middle partition plate in a transverse tilted manner, and the opening direction of the tilted angle faces the compressor and the external circulation fan.

[0020] Its further technical solution is:

[0021] It also includes a control unit, and the compressor, the internal circulation fan, the external circulation fan, and the heater are all connected to the control unit by signal.

[0022] The beneficial technical effect of the utility model is that the structure can make the internal circulation air duct a horizontal circulation, so that the internal circulation air outlet has a large air volume, the air flow is uniform, and the air outlet is uniform without dead corners; the structure is simple and easy to install, and avoids the tedious steps of opening and closing cabinet doors during maintenance and installation of traditional air conditioners. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 It is a schematic diagram of the internal circulation chamber of the utility model;

[0025] Figure 3 This is a schematic diagram of the external circulation chamber of the utility model;

[0026] Among them: 1. Air conditioning box; 2. Middle partition; 3. Internal circulation fan; 4. External circulation fan; 5. Return air outlet; 6. External circulation air inlet; 7. Internal circulation air outlet; 8. Evaporator; 9. Compressor; 10. Condenser; 11. External circulation air outlet; 12. Heater; 13. Partition. DETAILED DESCRIPTION

[0027] In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the specific implementation methods of the utility model are further described in detail below in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0028] like Figure 1 A horizontal circulation air-cooled air conditioner shown in the figure comprises an air-conditioning box 1, wherein a middle partition plate 2 is provided in the air-conditioning box 1, wherein the middle partition plate 2 vertically divides the cavity in the air-conditioning box 1 into an inner circulation chamber and an outer circulation chamber, and the middle partition plate 2 is in a U-shaped structure, wherein the middle partition plate 2 and an inner wall of the air-conditioning box enclose an inner circulation chamber; the inner circulation chamber is provided with an inner circulation fan 3 for extracting air in a fixed space and circulating it in the air duct, and the outer circulation chamber is provided with an outer circulation fan 4 for extracting outside air and circulating it outside the air duct; the air-conditioning box 1 corresponding to the inner circulation fan 3 and the outer circulation fan 4 is respectively provided with a return air port 5 and an outer circulation air inlet 6; in the present embodiment, the inner circulation fan 3 and the outer circulation fan 4 are both cross-flow fans.

[0029] In this embodiment, the air-conditioning box 1 is a rectangular frame, including a front side and a back side and two narrow end faces connecting the front side and the back side. The air-conditioning box 1 corresponding to the return air outlet 5 is defined as the front side. The middle partition 2 is arranged between the front side and the back side of the air-conditioning box 1 and is parallel to the front side and the back side. The lower end of the middle partition 2 is spaced a certain distance from the bottom of the air-conditioning box 1 and is fixedly connected to the front side of the air-conditioning box 1 by bending.

[0030] like Figure 2 As shown, in this embodiment, the internal circulation fans 3 are provided in four groups and are vertically and evenly distributed on one side of the front of the air-conditioning box 1. The other side of the front of the air-conditioning box 1 is vertically provided with an internal circulation air outlet 7 for internal circulation of the air duct. The internal circulation air outlet 7 is arranged in a rectangular structure with a mesh opening. An evaporator 8 is arranged between the return air port 5 and the internal circulation air outlet 7. The evaporator 8 is fixedly arranged on the middle partition 2. The airflow sucked by the internal circulation fan 3 passes through the evaporator 8 for convection heat exchange, and then the cold energy generated by the evaporator 8 is transmitted to the internal circulation air outlet 7.

[0031] The return air vent 5, the internal circulation chamber, and the internal circulation air outlet 7 constitute an internal circulation air duct, which cooperates with the internal circulation fan 3 to circulate the air in a fixed space; since the return air vent 5 corresponds to the internal circulation fan 3 and is evenly distributed on one side of the front of the air-conditioning box 1, and cooperates with the internal circulation air outlet 7 to form a horizontal circulation internal circulation air duct, the air flow is synchronized, the air volume of the internal circulation air outlet 7 is large, and the air outlet is uniform without dead angles.

[0032] In this embodiment, the evaporator 8 is a serpentine coil formed by piping. In order to maximize the contact area between the evaporator 8 and the airflow to achieve the best heat exchange effect, the coil is obliquely arranged on the middle partition 2 and is top-connected to the upper and lower ends of the middle partition 2. The opening direction of the coil inclination is toward the internal circulation fan 3. This structure can cover the entire return air outlet 5 with the maximum area, so that the airflow can flow out from the internal circulation air outlet 7 after sufficient heat exchange with the coil, thereby ensuring the sufficiency and uniformity of the heat exchange.

[0033] A heater 12 is provided in the inner circulation chamber near the return air port 5, and both ends of the heater 12 are fixed to the side of the inner circulation air 3 through a fixing frame, and the heater 12 faces the evaporator 8; multiple groups of heaters can be provided to adjust the balance of cooling and heat in the temperature-controlled space.

[0034] like Figure 3 As shown, a compressor 9 is provided in the external circulation chamber below the middle partition 2, and two groups of external circulation fans 4 are arranged on both sides of the compressor 9; a condenser 10 is provided in the external circulation chamber on the middle partition 2, and the condenser 10 is a serpentine coil formed by piping and is arranged in the external circulation chamber laterally inclined, and the opening direction of the inclination angle is facing one side of the external circulation fan 4 and the compressor 9; the condenser 10 divides the external circulation chamber into a lower chamber and an upper chamber, and each end face of the air-conditioning box 1 of the upper chamber is provided with an external circulation air outlet 11; when the condenser 10 is small, a partition 13 is provided on the opening side of the condenser 10, and the partition 13 is used to guide the external air flow introduced by the external circulation fan 4 to pass through the condenser 10, so as to improve the heat dissipation efficiency.

[0035] The external circulation air inlet 6, the external circulation chamber, and the external circulation air outlet 11 constitute an external circulation air duct, which is used to cooperate with the external circulation fan 4 to introduce external air and take away the heat released by the condenser 10; since the air ducts in the fixed space and the air outside are separated from each other, mixed flow can be avoided and pollutants and moisture from the external environment can be effectively isolated from entering the fixed space.

[0036] The compressor 9, condenser 10, and evaporator 8 are connected in sequence through piping to form a closed refrigeration system. A certain amount of refrigerant is injected into the refrigeration system. When the refrigeration system is working, the refrigerant is compressed into a high-temperature and high-pressure gas by the compressor 9 and enters the condenser 10. The refrigerant releases heat to the environment in the condenser 10, and is cooled and condensed into a medium-temperature and high-pressure liquid under the action of the external circulation fan 4. The pressure of the refrigerant is instantly released and the temperature drops sharply through the expansion valve arranged on the piping. At this time, the refrigerant changes from a liquid state to an aerosol state, and the refrigerant with reduced pressure and temperature enters the evaporator 8. The refrigerant releases cold air in the evaporator 8. Driven by the internal circulation fan 3, the cold air is blown out from the internal circulation air outlet 7 to produce a refrigeration effect, and the refrigerant with increased temperature enters the compressor 9 to complete the cycle.

[0037] In this embodiment, a control unit is also included. The compressor 9, the internal circulation fan 3, the external circulation fan 4, the expansion valve, and the heater 12 are all connected to the control unit by signal, and the operation of these components is controlled by the control unit and their power is adjusted.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A horizontal circulation air-cooling air conditioner, comprising an air conditioning box and a middle partition, wherein the middle partition vertically divides the cavity in the air conditioning box into an outer circulation chamber and an inner circulation chamber, wherein the outer circulation chamber is provided with a compressor, an outer circulation fan and a condenser; characterized in that: The internal circulation chamber is provided with an evaporator and multiple groups of internal circulation fans, and the evaporator is vertically arranged on the middle partition; the internal circulation fan is defined to correspond to the front of the air-conditioning box, and multiple groups of return air outlets are vertically and evenly arranged on one side of the front of the air-conditioning box. The multiple groups of return air outlets correspond one to one with the multiple groups of internal circulation fans, and a rectangular internal circulation air outlet is vertically arranged on the other side of the front of the air-conditioning box.

2. A horizontal circulation air-cooling air conditioner according to claim 1, characterized in that: The middle partition is in a U-shaped structure, and the middle partition and the front inner wall of the air-conditioning box are combined to form an internal circulation chamber.

3. A horizontal circulation air-cooling air conditioner according to claim 1, characterized in that: The evaporator and the condenser are both serpentine coils formed by coiling pipes.

4. A horizontal circulation air-cooling air conditioner according to claim 1, characterized in that: The evaporator is fixedly arranged on the middle partition plate in an inclined manner and is connected to the upper and lower ends of the middle partition plate. The opening direction of the evaporator's inclination angle faces the internal circulation fan.

5. The horizontal circulation air-cooling air conditioner according to claim 1, characterized in that: The internal circulation fan and the external circulation fan are both cross-flow fans.

6. A horizontal circulation air-cooling air conditioner according to claim 1, characterized in that: A plurality of heaters are arranged in the inner circulation chamber facing the evaporator, and two ends of the heaters are arranged on a side of the inner circulation fan facing the evaporator through a fixing frame.

7. The horizontal circulation air-cooling air conditioner according to claim 1, characterized in that: The condenser divides the external circulation chamber into a lower chamber and an upper chamber, and each end surface of the air conditioning box of the upper chamber is provided with an external circulation air outlet.

8. The horizontal circulation air-cooling air conditioner according to claim 1, characterized in that: The condenser is arranged on the middle partition plate in a transverse tilted manner, and the opening direction of the tilted angle faces the compressor and the external circulation fan.

9. A horizontal circulation air-cooling air conditioner according to claim 6, characterized in that: It also includes a control unit, and the compressor, the internal circulation fan, the external circulation fan, and the heater are all connected to the control unit by signal.

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