Cold air recycling device of air source heat pump

Abstract

The utility model relates to the technical field of cold air recycling, in particular to a cold air recycling device of an air source heat pump, which comprises the air source heat pump and is characterized in that a cold air collecting box and a circulating box are included, the air inlet end of the cold air collecting box is connected with the cold air outlet end of the air source heat pump through an air inlet pipe, and a heat exchange pipe is arranged in the cold air collecting box. A plurality of air outlets are formed in the cold air collection box, a cold air inlet valve is arranged on the air inlet pipe, the input end of the heat exchange pipe is communicated with the output end of the circulation box through an input pipe, the output end of the heat exchange pipe is connected with an output pipe, and the output end of the output pipe is communicated with a plurality of cold supply devices. The heating end of the cold supply equipment is communicated with the circulating box through a circulating pipe, and a circulating pump is arranged on the input pipe; according to the utility model, cold air generated by the air source heat pump can be recycled and subjected to heat exchange for secondary utilization, so that the electric energy consumption and the operation cost are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of cold air recovery, in particular to an air source heat pump cold air recovery and utilization device. Background Technique

[0002] The demand for cold water is mainly concentrated in large commercial agglomerations, such as refrigerated rooms in large shopping malls, hospitals, laboratories and other special places. On the one hand, in order to solve the demand for cold water, additional water-cooling equipment needs to be installed separately. Most of the existing water-cooling equipment uses water cooling, air cooling and other methods for cooling. The cooling process not only causes a large amount of power consumption, but also increases the operating cost; on the other hand, since air source heat pumps are also widely used for heating in the above scenarios, in autumn and winter, a large amount of cold air will be discharged into the air when the air source heat pump is heating, resulting in waste of cold air. If it is recovered and used in places with a demand for cooling, it can save the additional electricity cost while achieving the purpose of cooling. Therefore, an air source heat pump cold air recovery and utilization device is proposed to solve the above problems. Content of the Utility Model

[0003] The purpose of the utility model is to provide an air source heat pump cold air recovery and utilization device aiming at the above deficiencies, which can recover and heat-exchange the cold air generated by the air source heat pump for secondary utilization, reducing the power consumption and operating cost.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] An air source heat pump cold air recovery and utilization device, including an air source heat pump, characterized in that: a cold air collecting box and a circulation box, the air inlet end of the cold air collecting box is connected to the cold air outlet end of the air source heat pump through an air inlet pipe, a heat exchange pipe is arranged inside the cold air collecting box, a plurality of air outlet openings are arranged on the cold air collecting box, a cold air inlet valve is arranged on the air inlet pipe, the input end of the heat exchange pipe is communicated with the output end of the circulation box through an input pipe, the output end of the heat exchange pipe is connected with an output pipe, the output end of the output pipe is communicated with a plurality of water-cooling devices, and the heating end of the water-cooling devices is communicated with the circulation box through a circulation pipe, and a circulation pump is arranged on the input pipe.

[0006] Further, a fan is arranged inside the cold air collecting box, the fan is close to the air inlet pipe and the air inlet end of the fan is arranged facing the air outlet end of the air inlet pipe.

[0007] Further, the heat exchange pipe is in a waveform or S shape, the input end of the heat exchange pipe is arranged close to the bottom of the cold air collecting box, and the output end of the heat exchange pipe is arranged close to the top of the cold air collecting box.

[0008] Further, the air outlet openings are arranged close to the bottom of the cold air collecting box.

[0009] Further, a temperature sensor is provided inside the cold air header, the temperature sensor is arranged close to the air outlet end of the fan, a bypass pipe is further connected to the air inlet pipe, and a bypass valve is arranged on the bypass pipe.

[0010] Further, a controller is further included, and the cold air inlet valve, the circulation pump, the fan, the temperature sensor and the bypass valve are all electrically connected to the controller.

[0011] The beneficial effects of the present utility model are:

[0012] In practical applications, the hot water generated by multiple water-cooling devices is stored in the circulation tank through the circulation pipe. When in use, the cold air inlet valve is opened, and the cold air generated by the air source heat pump enters the cold air header through the air inlet pipe. At the same time, the circulation pump is turned on, and the hot water in the circulation tank is pumped out through the circulation pump and the input pipe. After the hot water is heat-exchanged through the heat exchange pipe in the cold air header, it returns to the water-cooling device through the output pipe, reducing the energy consumption of the water-cooling device. At the same time, the hot air after heat exchange in the cold air header is discharged from the air outlet; the present utility model can recover and reuse the cold air generated by the air source heat pump through heat exchange, reducing the power consumption and operating costs. Description of the Drawings

[0013] Figure 1 is the overall structural schematic diagram of the present utility model;

[0014] Reference numerals: cold air header 1; air outlet 11; fan 12; temperature sensor 13; circulation tank 2; air inlet pipe 3; cold air inlet valve 31; heat exchange pipe 4; input pipe 5; circulation pump 51; output pipe 6; water-cooling device 7; circulation pipe 8; bypass pipe 9; bypass valve 91. Detailed Embodiments

[0015] As Figure 1 shown, an air source heat pump cold air recovery and utilization device includes an air source heat pump, and is characterized in that: a cold air header 1 and a circulation tank 2, the air inlet end of the cold air header 1 is connected to the cold air outlet end of the air source heat pump through an air inlet pipe 3, a heat exchange pipe 4 is arranged inside the cold air header 1, a plurality of air outlets 11 are arranged on the cold air header 1, a cold air inlet valve 31 is arranged on the air inlet pipe 3, the input end of the heat exchange pipe 4 is communicated with the output end of the circulation tank 2 through an input pipe 5, the output end of the heat exchange pipe 4 is connected with an output pipe 6, the output end of the output pipe 6 is communicated with a plurality of water-cooling devices 7, the heat generating end of the water-cooling device 7 is communicated with the circulation tank 2 through a circulation pipe 8, and a circulation pump 51 is arranged on the input pipe 5.

[0016] The hot water generated by multiple water-cooling devices 7 is stored in the circulation tank 2 through the circulation pipe 8. When in use, the cold air inlet valve 31 is opened, and the cold air generated by the air source heat pump enters the cold air header 1 through the air inlet pipe 3. At the same time, the circulation pump 51 is opened, and the hot water in the circulation tank 2 is pumped out through the circulation pump 51 and the input pipe 5. After the hot water is heat-exchanged through the heat exchange pipe 4 in the cold air header 1, it returns to the water-cooling device 7 through the output pipe 6, reducing the energy consumption of the water-cooling device 7. At the same time, the hot air after heat exchange in the cold air header 1 is discharged from the air outlet 11; the utility model can recycle and heat-exchange the cold air generated by the air source heat pump for secondary use, reducing the power consumption and operating costs.

[0017] As Figure 1 shown, a fan 12 is arranged in the cold air header 1, the fan 12 is close to the air inlet pipe 3, and the air inlet end of the fan 12 is arranged opposite to the air outlet end of the air inlet pipe 3; in this embodiment, the fan 12 provides a power source for the cold air entering the cold air header 1, and the heat exchange effect is better.

[0018] As Figure 1 shown, the heat exchange pipe 4 is in a waveform or S shape, the input end of the heat exchange pipe 4 is arranged close to the bottom of the cold air header 1, and the output end of the heat exchange pipe 4 is arranged close to the top of the cold air header 1; in this embodiment, the heat exchange pipe 4 in a waveform or S shape can extend the heat exchange time of the hot water to be heat-exchanged in the cold air header 1, improve the heat exchange effect of the hot water to be heat-exchanged, and reduce the power consumption and operating costs of the water-cooling device 7.

[0019] As Figure 1 shown, the air outlet 11 is arranged close to the bottom of the cold air header 1; in this embodiment, when the air outlet 11 is arranged close to the bottom of the cold air header 1, the cold air entering the cold air header 1 can contact the heat exchange pipe 4 more fully.

[0020] As Figure 1 shown, a temperature sensor 13 is arranged in the cold air header 1, the temperature sensor 13 is close to the air outlet end of the fan 12, and a bypass pipe 9 is further connected to the air inlet pipe 3, and a bypass valve 91 is arranged on the bypass pipe 9; in this embodiment, when the temperature sensor 13 detects that the temperature entering the cold air header 1 is too high, the cold air inlet valve 31 is closed, and the air generated by the air source heat pump is discharged through the bypass pipe 9 and the bypass valve 91.

[0021] As Figure 1 shown, it further includes a controller, and the cold air inlet valve 31, the circulation pump 51, the fan 12, the temperature sensor 13 and the bypass valve 91 are all electrically connected to the controller; in this embodiment, the cold air inlet valve 31, the circulation pump 51, the fan 12, the temperature sensor 13 and the bypass valve 91 can be controlled through the controller.

[0022] The specific embodiments described herein are merely illustrative of the present utility model. Those skilled in the art to which the present utility model pertains can make various modifications or supplements to the described specific embodiments or use similar means for substitution, but will not deviate from the scope defined by the present utility model.

Claims

1. An air source heat pump cold air recovery and utilization device, comprising an air source heat pump, characterized in that: A cold air header (1) and a circulation tank (2), wherein the air inlet end of the cold air header (1) is connected to the cold air outlet end of an air source heat pump through an air inlet pipe (3). A heat exchange pipe (4) is arranged inside the cold air header (1). A plurality of air outlet openings (11) are arranged on the cold air header (1). A cold air inlet valve (31) is arranged on the air inlet pipe (3). The input end of the heat exchange pipe (4) is communicated with the output end of the circulation tank (2) through an input pipe (5). The output end of the heat exchange pipe (4) is connected with an output pipe (6). The output end of the output pipe (6) is communicated with a plurality of water-cooled devices (7). The heating end of the water-cooled device (7) is communicated with the circulation tank (2) through a circulation pipe (8). A circulation pump (51) is arranged on the input pipe (5).

2. The air source heat pump cold air recovery and utilization device according to claim 1, wherein, A blower (12) is arranged inside the cold air header (1). The blower (12) is close to the air inlet pipe (3), and the air inlet end of the blower (12) is arranged facing the air outlet end of the air inlet pipe (3).

3. The air source heat pump cold air recycling device according to claim 1, characterized in that The heat exchange pipe (4) is in a waveform or S shape. The input end of the heat exchange pipe (4) is arranged close to the bottom of the cold air header (1), and the output end of the heat exchange pipe (4) is arranged close to the top of the cold air header (1).

4. The air source heat pump cold air recycling device according to claim 1, characterized in that, The air outlet openings (11) are arranged close to the bottom of the cold air header (1).

5. The air source heat pump cold air recovery and utilization device according to claim 2, characterized in that A temperature sensor (13) is arranged inside the cold air header (1). The temperature sensor (13) is arranged close to the air outlet end of the blower (12). A bypass pipe (9) is further connected to the air inlet pipe (3). A bypass valve (91) is arranged on the bypass pipe (9).

6. The air source heat pump cold air recycling device according to claim 5, characterized in that, It further includes a controller. The cold air inlet valve (31), the circulation pump (51), the blower (12), the temperature sensor (13), and the bypass valve (91) are all electrically connected to the controller.

Images