Open counter flow cooling tower device of outdoor unit

Abstract

The utility model relates to the technical field of evaporative air conditioners, in particular to an open counter flow cooling tower device of an outdoor unit, which improves the cooling efficiency, ensures the uniformity of cooling evaporation, reduces the water temperature and improves the refrigeration efficiency. Comprising an outdoor case, a fan is mounted at the upper end of the outdoor case, a water tank is arranged at the bottom of the outdoor case, air inlets are formed in the periphery of the upper portion of the water tank, filler is arranged below the fan, a circulating assembly is mounted in the water tank, and the output end of the circulating assembly is connected with an indoor unit; the input end of the water distribution assembly is connected with the output end of the indoor unit.

Description

Technical Field

[0001] The utility model relates to the technical field of evaporative air conditioning, in particular to an open countercurrent cooling tower device for an outdoor unit. Background Art

[0002] Evaporative air conditioning, also known as power-saving air conditioning, or evaporative condensing air conditioning, is an air conditioning product that uses evaporative condensing technology. The outdoor unit is used to circulate the condenser water to dissipate heat when the indoor unit is used for cooling. The evaporative condenser proposed in the prior art announcement number CN203848560U includes a shell with a water tray at the bottom, a fan, a water baffle, a spray head group, a condensing coil with a refrigerant inlet and a refrigerant outlet installed in the shell from top to bottom, and a water pump connected to the water tray and the spray head group through water pipes; the shell side is provided with an air inlet; the evaporative condenser is also installed with a water temperature sensor in the water tray, an ambient temperature sensor outside the shell, a controller and a cooling water heating device in the water tray. The industry usually designs the process to install the cooling packing immediately, open dense water holes above the top of the packing, and pour the circulating water into the packing naturally, and adopt the top exhaust and side air intake method. This is an open cross-flow tower structure, which has the advantage of small wind resistance, but the insufficient water temperature cooling effect will lead to a decrease in the cooling efficiency of the indoor unit. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides an outdoor open countercurrent cooling tower device which improves cooling efficiency, ensures uniform cooling evaporation, reduces water temperature and improves refrigeration efficiency.

[0004] The utility model discloses an outdoor unit open countercurrent cooling tower device, comprising an outdoor case, a fan is installed on the upper end of the outdoor case, a water tank is at the bottom of the outdoor case, air inlets are arranged around the upper part of the water tank, fillers are arranged below the fan, a circulation component is installed inside the water tank, and the output end of the circulation component is connected to the indoor unit, a water distribution component is installed on the upper part of the outdoor case, and the input end of the water distribution component is connected to the output end of the indoor unit; when in use, the water output by the indoor unit is evenly sprayed onto the fillers in the outdoor case through the water distribution component, the outdoor case is exhausted at the top and intake at the bottom, water flows out from top to bottom, wind is exhausted from bottom to top, and wind goes from bottom to top to form countercurrent convection of water and wind, and the countercurrent cross operation of water and wind greatly improves the cooling efficiency, and this is an open countercurrent tower, which can increase the retention time of water in the outdoor case through the fillers, ensure the uniformity of cooling evaporation, reduce the water temperature, and improve the refrigeration efficiency.

[0005] Preferably, the circulation component includes an equipment box, a self-priming pump, a water outlet pipe, a water supply pipe, a float valve and a drain pipe. The equipment box is fixedly installed on the rear side of the bottom of the water tank, the self-priming pump is fixedly installed inside the equipment box, the input end of the self-priming pump is connected to the water tank, the output end of the self-priming pump is connected to the water outlet pipe, the water outlet pipe is connected to the indoor unit component, the lower part of the rear wall of the outdoor unit case is connected to the drain pipe, a water supply pipe is installed above the drain pipe, the output end of the water supply pipe is connected to the water tank, and a float valve is installed on the water supply pipe; the self-priming pump of the bottom water tank draws water from the water tank into the indoor unit heat exchanger through the water outlet pipe. When in use, the float valve automatically replenishes water according to the water level in the water tank. When the water level reaches a predetermined level, it automatically stops replenishing water, and the water in the water tank can be easily discharged through the drain pipe.

[0006] Preferably, a black nylon air filter is installed at the air inlet of the outdoor chassis; the incoming air is filtered through the black nylon air filter to prevent dust and impurities from polluting the water and affecting the use of the equipment.

[0007] Preferably, the bottom of the filler is a stainless steel net, the top of the stainless steel net is a honeycomb aluminum substrate, and above the honeycomb aluminum substrate are four layers of paper curtains; the stainless steel net is used to hold the heat dissipation and cooling filler, and the output water falls on the four layers of paper curtains, allowing the water to pass through multiple layers of filler and evaporate and dissipate heat layer by layer to achieve an ideal water cooling effect. The honeycomb aluminum substrate has ultra-high evaporation heat and dilution properties, which greatly increases the cooling effect and can efficiently cool the terminal.

[0008] Preferably, the water distribution assembly includes a return pipe and a self-supporting rotary water distributor, the return pipe is installed at the upper end of the rear wall of the outdoor chassis, the output end of the return pipe is connected to the self-supporting rotary water distributor, and the self-supporting rotary water distributor is located at the upper end of the paper curtain; the outlet water of the indoor unit heat exchanger is input into the self-supporting rotary water distributor through the return pipe, and the self-supporting rotary water distributor relies on the water pressure to rotate itself to spray water evenly on the filler surface.

[0009] Preferably, a water baffle is installed at the bottom of the fan, and the water baffle is a water-blocking paper curtain, which is fixed by a stainless steel mesh frame; the paper curtain is fixed by the stainless steel mesh frame, which is more firm and durable, and the water baffle can prevent water from being sucked out and water throwing off, thereby reducing the evaporation of water vapor.

[0010] Preferably, the fan adopts a heightened air guide tube and seven aluminum blades, which can increase the air volume, increase the wind pressure, and improve the heat dissipation efficiency.

[0011] Compared with the prior art, the utility model has the following beneficial effects: when in use, the water output by the indoor unit is evenly sprayed onto the filler in the outdoor chassis through the water distribution component, the outdoor chassis is exhausted at the top and intakes at the bottom, the water flows out from top to bottom, the wind is discharged from bottom to top, and the wind goes from bottom to top to form a counter-current convection of water and wind, and the cooling efficiency is greatly improved by the reverse cross-operation of water and wind. This is an open countercurrent tower, and the filler can increase the residence time of water in the outdoor chassis, ensure uniform cooling evaporation, reduce water temperature, and improve refrigeration efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a rear-view stereoscopic structural schematic diagram of the utility model;

[0014] Figure 3 It is a front cross-sectional structural schematic diagram of the utility model;

[0015] Figure 4 It is a partial cross-sectional structural schematic diagram of the utility model;

[0016] Figure 5 It is a structural schematic diagram of the water tank of the utility model;

[0017] Markings in the attached figure: 1. Outdoor chassis; 2. Fan; 3. Filling; 4. Equipment box; 5. Self-priming pump; 6. Outlet pipe; 7. Water supply pipe; 8. Float valve; 9. Drain pipe; 10. Black nylon air filter; 11. Honeycomb aluminum base plate; 12. Return pipe; 13. Self-supporting rotary water distributor; 14. Water baffle. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0019] like Figures 1 to 5As shown, a fan 2 is installed at the upper end of the outdoor case 1, the bottom of the outdoor case 1 is a water tank, the upper part of the water tank is surrounded by air inlets, and a filler 3 is provided below the fan 2. An equipment box 4 is fixedly installed at the rear side of the bottom of the water tank, and a self-priming pump 5 is fixedly installed inside the equipment box 4. The input end of the self-priming pump 5 is connected to the water tank, and the output end of the self-priming pump 5 is connected to a water outlet pipe 6, which is connected to the indoor unit assembly. A drain pipe 9 is connected to the lower part of the rear wall of the outdoor case 1, and a water supply pipe 7 is installed above the drain pipe 9. The output end of the water supply pipe 7 is connected to the water tank, and a float valve 8 is installed on the water supply pipe 7. A black nylon air filter 10 is installed at the air inlet of the outer case 1, the bottom of the filler 3 is a stainless steel net, the top of the stainless steel net is a honeycomb aluminum substrate 11, and the honeycomb aluminum substrate 11 is four layers of paper curtains. The return pipe 12 is installed at the upper end of the rear wall of the outdoor case 1, and the output end of the return pipe 12 is connected to a self-supporting rotary water distributor 13, which is located at the upper end of the paper curtain. A water retaining plate 14 is installed at the bottom of the fan 2, and the water retaining plate 14 is a water retaining paper curtain, which is fixed by a stainless steel mesh frame. The fan 2 adopts a heightened air guide tube and seven aluminum fan blades;

[0020] The fan 2 adopts a heightened air guide tube and seven aluminum blades, which can increase the air volume, increase the wind pressure, and improve the heat dissipation efficiency. The fan 2 is started to allow the wind to enter the outdoor chassis 1 through the black nylon air filter 10, and the wind penetrates all cooling fillers and is discharged from the top of the fan 2. The incoming air is filtered through the black nylon air filter 10 to prevent dust and impurities from polluting the water and affecting the use of the equipment. The self-priming pump 5 of the bottom water tank draws water from the water tank through the outlet pipe 6 to enter the indoor unit heat exchanger. When in use, the float valve 8 automatically replenishes water according to the water level in the water tank and automatically stops replenishing water when it reaches the preset water level. The water in the water tank can be easily discharged through the drain pipe 9, and the indoor The outlet water of the unit heat exchanger is input into the self-supporting rotary water distributor 13 through the return pipe 12. The self-supporting rotary water distributor 13 rotates by itself depending on the water pressure to spray water evenly on the surface of the filler. The water passes through the stainless steel net to hold the heat dissipation and cooling filler. The output water falls on the four-layer paper curtain, allowing the water to pass through multiple layers of filler and evaporate and dissipate heat layer by layer to achieve the ideal water cooling effect. The honeycomb aluminum substrate 11 has ultra-high evaporation heat and dilution, which greatly increases the cooling effect and can efficiently cool the terminal. The paper curtain is fixed by a stainless steel mesh frame, which is more firm and durable. The water baffle 14 can prevent water from being sucked out and water throwing, thereby reducing the evaporation and volatility of water vapor.

[0021] like Figures 1 to 5As shown, the outdoor unit open countercurrent cooling tower device of the utility model is in operation. When in use, the float valve 8 automatically replenishes water according to the water level in the water tank and automatically stops replenishing water when the water level reaches the predetermined water level. The self-priming pump 5 of the bottom water tank draws water in the water tank through the outlet pipe 6 and enters the indoor unit heat exchanger. The outlet water of the indoor unit heat exchanger is input into the self-supporting rotary water distributor 13 through the return pipe 12. The self-supporting rotary water distributor 13 rotates by itself under the pressure of water to spray water evenly on the surface of the filler. The output water falls on the four-layer paper curtain, allowing the water to pass through multiple layers of filler, and the evaporation and heat dissipation layer by layer achieves the ideal water cooling effect. The end is efficiently cooled through the honeycomb aluminum substrate 11, and the fan 2 is started to allow the wind to enter the outdoor chassis 1 through the black nylon air filter 10, and the wind penetrates all cooling fillers and is discharged from the top of the fan 2. The intake air is filtered through the black nylon air filter 10, and the water flows out from top to bottom, and the wind is discharged from bottom to top. The wind goes from bottom to top to form a counter-current of water and wind.

[0022] The self-priming pump 5, the float valve 8 and the self-supporting rotary water distributor 13 of the outdoor open countercurrent cooling tower device of the utility model are purchased on the market, and the technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative efforts.

[0023] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. Outdoor open countercurrent cooling tower device, characterized in that: The invention comprises an outdoor machine case (1), a fan (2) is installed at the upper end of the outdoor machine case (1), the bottom of the outdoor machine case (1) is a water tank, the upper part of the water tank is surrounded by air inlets, a filler (3) is provided below the fan (2), a circulation component is installed inside the water tank, and the output end of the circulation component is connected to the indoor unit, and a water distribution component is installed at the upper part of the outdoor machine case (1), and the input end of the water distribution component is connected to the output end of the indoor unit.

2. The outdoor open counterflow cooling tower device according to claim 1, characterized in that: The circulation component comprises an equipment box (4), a self-priming pump (5), a water outlet pipe (6), a water supply pipe (7), a float valve (8) and a drainage pipe (9); the equipment box (4) is fixedly mounted on the rear side of the bottom of the water tank; the self-priming pump (5) is fixedly mounted inside the equipment box (4); the input end of the self-priming pump (5) is connected to the water tank; the output end of the self-priming pump (5) is connected to the water outlet pipe (6); the water outlet pipe (6) is connected to the indoor unit component; the lower part of the rear wall of the outdoor unit box (1) is connected to the drainage pipe (9); a water supply pipe (7) is mounted above the drainage pipe (9); the output end of the water supply pipe (7) is connected to the water tank; and a float valve (8) is mounted on the water supply pipe (7).

3. The outdoor open countercurrent cooling tower device according to claim 1, characterized in that: A black nylon air filter (10) is installed at the air inlet of the outdoor case (1).

4. The outdoor open counterflow cooling tower device according to claim 1, characterized in that: The bottom of the filler (3) is a stainless steel net, the top of the stainless steel net is a honeycomb aluminum substrate (11), and above the honeycomb aluminum substrate (11) are four layers of paper curtains.

5. The outdoor open counter-flow cooling tower device according to claim 4, characterized in that: The water distribution assembly comprises a return water pipe (12) and a self-supporting rotary water distributor (13); the return water pipe (12) is installed at the upper end of the rear wall of the outdoor cabinet (1); the output end of the return water pipe (12) is connected to the self-supporting rotary water distributor (13); and the self-supporting rotary water distributor (13) is located at the upper end of the paper curtain.

6. The outdoor open counter-flow cooling tower device according to claim 1, characterized in that: A water baffle (14) is installed at the bottom of the fan (2), and the water baffle (14) is a water-blocking paper curtain, which is fixed by a stainless steel mesh frame.

7. The outdoor open counterflow cooling tower device according to claim 1, characterized in that: The fan (2) adopts a heightened air guide tube and seven aluminum blades.

Images