CN201416960Y - A fresh air integrated air conditioner - Google Patents

Abstract

The utility model relates to a fresh air integrated air conditioner, comprising: a support frame, a front side plate, a rear side plate, a left side plate and a right side plate are arranged around it; an internal fan, an evaporator, and an external fan are arranged in the support frame , a compressor, a condenser, an expansion valve, a rotatable damper, and a damper actuator for controlling the damper; the damper is located in the middle of the support frame; the external fan is located below the damper, the compressor is installed at the bottom of the support frame, and the condenser It is located at the lower part of the supporting frame; the evaporator is arranged obliquely above the air door, and the internal fan is located above the evaporator. The fresh air integrated air conditioner of the utility model has the advantages of reasonable design, compact structure, good stability and the like.

Description

A fresh air integrated air conditioner

technical field

The utility model relates to the field of machine room air conditioners, in particular to a fresh air integrated air conditioner.

Background technique

In a modern communication system, equipment is usually installed in a base station or a small room, thus forming many computer rooms with important purposes. These computer rooms are generally small in size and unattended. In order to ensure long-term stable operation of equipment, integrated air conditioners are usually installed in such computer rooms. When the outside temperature is lower than the indoor temperature, if the compressor is used for cooling, it is obviously not enough to save energy. For this reason, there are also some integrated air conditioners with new structures that come out. A rotatable damper is installed inside the air conditioner. By controlling the position of the damper, the air circulation circuit is changed. It saves energy and improves the quality of indoor air. For example, a Chinese patent ZL01223572.5 discloses a dedicated integrated air conditioner for wireless communication base stations. Fresh air is introduced by setting a fresh air valve in the unit and adjusting the fresh air valve. However, the layout of the integral air conditioner components is not compact enough. , The airway design is not reasonable enough. Another example is the integrated air conditioner disclosed in Chinese patents ZL200420092820.X and ZL200520084573.3, which also all realize the introduction of fresh air by setting a rotatable damper, but its compressors are all arranged in the middle or in the middle and upper parts, so that the whole machine The dimension in the height direction is large, and the compressor is not easy to fix, and it is easy to cause vibration to the whole machine. In addition, the above-mentioned integrated air conditioner does not have precise control on the rotation angle of the damper, and the damper can only be turned from one extreme position (normal operation mode) to another extreme position (fresh air operation mode), but cannot stop between the two extreme positions.

Utility model content

The technical problem to be solved by the utility model is to provide a fresh air integrated air conditioner with a reasonable structure in view of the defect that the above-mentioned integrated air conditioner structure in the prior art is not reasonable enough.

The technical solution adopted by the utility model to solve the technical problem is: to construct a fresh air integrated air conditioner, including: a support frame, which is surrounded by front side panels, rear side panels, left side panels and right side panels; It is equipped with an internal fan, an evaporator, an external fan, a compressor, a condenser, an expansion valve, a rotatable damper, and a damper actuator for controlling the damper; the damper is located in the middle of the supporting frame; the external fan is located below the damper, and the compression The machine is installed at the bottom of the supporting frame, the condenser is located at the lower part of the supporting frame; the evaporator is installed obliquely above the damper, and the internal fan is located above the evaporator.

In the fresh air integrated air conditioner described in the utility model, the upper part of the front side plate is provided with a first grid, and the middle part is provided with a second grid corresponding to the position of the damper; the middle part of the rear side plate is provided with a third grid corresponding to the position of the damper , the lower part is provided with a fourth grid.

In the fresh air integrated air conditioner described in the utility model, the middle part of the front side plate is provided with a second grid at the position corresponding to the damper, and the top of the support frame is provided with an air outlet; the middle part of the rear side plate is provided with a second grid at the position corresponding to the damper. Three grids, the lower part is provided with a fourth grid.

In the fresh air integrated air conditioner described in the utility model, the damper actuator is an actuator that can continuously control the rotation angle of the damper according to the indoor and outdoor temperature difference.

In the fresh air integrated air conditioner described in the utility model, a water receiving tray arranged under the compressor is also included.

In the fresh air integrated air conditioner described in the utility model, the support frame is a frame structure formed by assembling sheet metal parts.

In the fresh air integrated air conditioner described in the utility model, an electric heating device arranged outside the outlet of the internal fan is also included.

In the fresh air integrated air conditioner described in the utility model, the electric heating device is an electric heater that can automatically adjust the heating power according to the surface wind speed.

In the fresh air integrated air conditioner described in the utility model, a filter screen arranged above the damper is also included.

Implementing the fresh air integrated air conditioner of the utility model has the following beneficial effects:

1. The fresh air integrated air conditioner of the utility model has a reasonable structure, the compressor is arranged at the bottom of the supporting frame, the overall stability is good, and the evaporator is placed obliquely to save space and reduce the size of the whole machine;

2. The damper actuator can accurately control the rotation angle of the damper according to the temperature difference between indoor and outdoor, realize precise control of the indoor temperature, and effectively prevent the indoor temperature from being too low while making full use of the outdoor air;

3. There is a water receiving tray under the compressor, which can receive the rainwater brought in by the outdoor air and the dirty water for cleaning the condenser, effectively ensuring the reliability of operation;

4. An electric heating device is installed on the outside of the air outlet of the internal fan. While realizing precise control of the indoor temperature, it can eliminate condensation caused by too low indoor temperature, and the heating power can be automatically adjusted according to the surface wind speed. The electric heating device is set at The air outlet of the internal fan, this position can not only effectively feel the change of the air volume of the internal fan, but also facilitate the monitoring of the electric heating to prevent the unit from being damaged by excessive temperature;

5. There is a filter screen above the damper, which is the only passage for the indoor return air and fresh air to enter the room, which can effectively filter dust or floating dust;

6. The support frame is a frame structure assembled from sheet metal parts, which is convenient for mass production and greatly improves the assembly efficiency.

Description of drawings

The utility model will be further described below in conjunction with accompanying drawing and embodiment, in the accompanying drawing:

Fig. 1 is a schematic structural view of the utility model fresh air integrated air conditioner;

Fig. 2 is a schematic diagram of the open state of the front side panel of the fresh air integrated air conditioner of the present invention;

Fig. 3 is a front view of the fresh air integrated air conditioner of the present utility model;

Fig. 4 is a rear view of the fresh air integrated air conditioner of the present utility model;

Fig. 5a is a schematic diagram of the common mode of the fresh air integrated air conditioner of the present invention;

Fig. 5b is a schematic diagram of the fresh air integrated air conditioner of the present utility model in the fresh air mode.

Detailed ways

As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, in one embodiment of the fresh air integrated air conditioner of the present utility model, it includes a support frame 10, and front side panels 11, rear side panels 12, Left side panel and right side panel; the support frame 10 is provided with an internal fan 13, an evaporator 14, a rotatable air door 15, an external fan 16, a compressor 17, a condenser 18, an expansion valve, and an air door for controlling the air door Actuator 23; the upper part of the front side plate 11 is provided with a first grid 110, and the middle part is provided with a second grid 111; the middle part of the rear side plate 12 is provided with a third grid 120, and the lower part is provided with a fourth grid 121; damper 15 is located between the second grid 111 and the third grid 120; the external fan 16 is located below the damper 15, the compressor 17 is installed at the bottom of the support frame 10, and the condenser 18 is located inside the fourth grid 121; the evaporator 14 is arranged obliquely above the damper 15, and the internal blower 13 is located above the evaporator 14. The structural design is reasonable, the evaporator is placed obliquely, the internal space is effectively used, the size of the whole machine is reduced, and the compressor is installed at the bottom, which reduces the vibration of the whole machine.

In this embodiment, the damper actuator 23 can continuously control the rotation angle of the damper according to the indoor and outdoor temperature difference, so as to realize precise control of the indoor temperature and rationally utilize the outdoor air. This structure is more reasonable compared to the fresh air air conditioner whose damper can only be in two positions.

In this embodiment, in order to receive rainwater brought in by the outdoor air and dirty water for cleaning the condenser, a water receiving pan 20 is provided below the compressor 17 .

In this embodiment, in order to check the working state of the air conditioner, a display panel 21 is provided on the front side panel 11 for displaying the operating parameters of the air conditioner.

In this embodiment, the first grid 110 is a movable louver, which can conveniently adjust the air supply direction and realize various air supply modes.

In this embodiment, the support frame 10 is a frame structure assembled from sheet metal parts, which is convenient for assembly and mass production.

In this embodiment, an electric heating device 22 is provided on the outside of the outlet of the internal fan 13. While accurately controlling the indoor temperature, it also prevents condensation when the indoor temperature is too low. The electric heating device 22 can automatically Electric heater with adjustable heating power. The electric heating device 22 is arranged outside the outlet of the internal fan 13, not only can effectively sense the change of the air volume of the internal fan, but also facilitate the monitoring of the electric heating to prevent the unit from being damaged by excessive temperature.

In this embodiment, in order to prevent the outdoor air from bringing in dust and purify the floating dust in the indoor air at the same time, a filter 19 is provided above the damper 15, and the filter 19 can be a G4 filter, or a suitable grade of filter can be selected as required , the location of the filter screen 19 is the necessary channel for indoor return air and fresh air to enter the room, which can effectively filter dust or floating dust.

Figure 5a shows a schematic diagram of the normal operation mode of the fresh air integrated air conditioner. In this mode, the damper 15 is located at position 1, the compressor 17, the internal fan 13 and the external fan 16 are all operating normally, and the air circulation direction on the indoor side is as follows: In the direction indicated by the arrow A, under the action of the internal fan 13, the air enters from the second grid 111, and after being cooled by the evaporator 14, it is sent out from the first grid 110 by the internal fan 13; the air circulation direction outside the outdoor is as shown by the arrow In the direction indicated by B, the outdoor air is drawn in from the fourth grid 121 by the external fan 16, and the outdoor air is sent out by the third grid 120 after heat exchange between the condenser and the condenser. This way of sucking and cooling the condenser is relatively The way of direct blowing cooling condenser has the advantages of low noise and good heat dissipation effect.

Figure 5b shows a schematic diagram of the fresh air integrated air conditioner in the fresh air mode. When the outside temperature is lower than the indoor temperature by a certain value, such as 5-10 degrees, the damper 15 is turned to position 2 under the control of the damper actuator 23. At this time, the compressor 17 and the external fan 16 stop running, and the air conditioner operates in the fresh air mode. The first grid 110 is sent into the indoor side; the direction of indoor air flowing into the outdoor side is as indicated by the arrow D. Since the indoor fan 13 continuously sucks in outdoor air, there is a certain pressure difference between the indoor side and the outdoor side, and the air is drawn by the second grid. 111 flows out through the external fan 16 and the fourth grid 121 to complete the exchange of indoor air and outdoor air.

If the difference between the outdoor temperature and the indoor temperature is too large, such as in cold winter, the damper actuator 23 can control the damper 15 to turn to a position between position 1 and position 2 to control the exchange amount of indoor air and outdoor air, thereby preventing the indoor temperature from being too high. Low, to ensure the normal operation of the equipment.

In this example, the external fan is a forward-inclined centrifugal fan, which is not limited in practical applications. For example, a backward-inclined centrifugal fan or an axial fan can be used, and the condenser is changed from air intake cooling to blowing cooling.

In this embodiment, the internal fan is a backward-inclined centrifugal fan. In practical applications, a forward-inclined centrifugal fan or an axial flow fan can also be used. At this time, it can be changed to the top air supply mode, that is, only the second grille is set on the front panel. , the indoor air outlet is set on the top of the support frame.

Embodiments of the present utility model have been described above in conjunction with the accompanying drawings, but the present utility model is not limited to the above-mentioned specific implementation, and the above-mentioned specific implementation is only illustrative, rather than restrictive. Under the enlightenment of the utility model, personnel can also make many forms without departing from the scope of protection of the purpose of the utility model and claims, and these all belong to the protection of the utility model.

Claims (9)

1. A fresh air integrated air conditioner, comprising: A support frame (10), surrounded by front side panels (11), rear side panels (12), left side panels and right side panels; The support frame (10) is provided with an internal fan (13), an evaporator (14), an external fan (16), a compressor (17), a condenser (18), an expansion valve, a rotatable damper (15), and A damper actuator (23) for controlling the damper; It is characterized in that the air door (15) is located in the middle of the supporting frame; the external fan (16) is located below the air door, the compressor (17) is installed at the bottom of the supporting frame (10), and the condenser (18) is located in the lower part of the supporting frame; The evaporator (14) is arranged obliquely above the damper (15), and the internal fan (13) is located above the evaporator (14). 2. The fresh air integrated air conditioner according to claim 1, characterized in that, the upper part of the front side panel (11) is provided with a first grid (110), and the middle part is provided with a second grid (111) corresponding to the position of the damper; A third grid (120) is arranged in the middle of the rear side plate (12) corresponding to the air door position, and a fourth grid (121) is arranged in the lower part. 3. The fresh air integrated air conditioner according to claim 1, characterized in that a second grid (111) is set at the position corresponding to the damper in the middle of the front side plate, and an air outlet is set on the top of the support frame; the rear side plate (12) The middle part is provided with a third grid (120) corresponding to the damper position, and the lower part is provided with a fourth grid (121). 4. The fresh air integrated air conditioner according to any one of claims 1 to 3, characterized in that the damper actuator (23) is an actuator that can continuously control the rotation angle of the damper (15) according to the indoor and outdoor temperature difference . 5. The integrated fresh air air conditioner according to any one of claims 1 to 3, further comprising a water receiving tray (20) arranged below the compressor (17). 6. The fresh air integrated air conditioner according to any one of claims 1 to 3, characterized in that, the support frame (10) is a frame structure assembled from sheet metal parts. 7. The fresh air integrated air conditioner according to any one of claims 1 to 3, characterized in that it further comprises an electric heating device (22) arranged outside the outlet of the internal fan (13). 8. The fresh air integrated air conditioner according to claim 7, characterized in that the electric heating device (22) is an electric heater that can automatically adjust the heating power according to the surface wind speed. 9. The fresh air integrated air conditioner according to any one of claims 1 to 3, characterized in that it further comprises a filter (19) arranged above the damper (15).

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