Condensate water ultrasonic atomization cooling device

Abstract

The utility model discloses a condensate water ultrasonic atomization cooling device, which relates to the field of air conditioners and is characterized in that a radiator, a circulating pump and a water cooling head are connected through pipelines to form a cooling loop; a water supply port of the water collecting tank is in pipeline connection with the ultrasonic atomization head and the drainage electromagnetic valve; the internal temperature and humidity sensor, the external temperature and humidity sensor and the water level sensor are electrically connected with an input port of the main control board; the ultrasonic atomization driving plate, the cold air fan, the drainage electromagnetic valve, the circulating pump, the cooling fan and the semiconductor chilling plate are electrically connected with an output port of the main control panel; the ultrasonic atomization head is electrically connected with the ultrasonic atomization driving plate; the heat dissipation efficiency of the radiator is improved through condensate water ultrasonic atomization cooling, an external temperature and humidity sensor and a main control board are arranged to accurately control the spraying amount of an ultrasonic atomization head, the condensate water utilization rate is improved, a low-temperature protection mechanism is arranged, and the energy efficiency ratio is improved through control of a PID algorithm in the refrigeration process.

Description

Technical Field

[0001] The utility model relates to the field of semiconductor refrigeration sheet cooling equipment, in particular to a condensate water ultrasonic atomization cooling device. Background Technique

[0002] With the continuous improvement of people's living standards and the continuous deepening of energy conservation and emission reduction, semiconductor refrigeration sheets have been widely used due to their small size and reliable operation. The existing device for atomizing condensate water to cool the air conditioner radiator directly sprays the atomized condensate water onto the radiator of the air conditioner by a high-pressure water pump. For example, the Chinese utility model patent with the publication number of CN204460513 discloses an "air conditioner condensate water atomization cooling system", which cools the condenser through an atomization system mainly composed of a plunger pump, an atomizing nozzle and a water level sensor. This method of spraying the atomized condensate water onto the condenser through a high-pressure nozzle has defects. Since nozzle atomization is used, the formed water droplets are relatively large, and the relatively large water droplets gather and flow away in a short time, resulting in low utilization rate of the condensate water; in addition, there is a lack of low-temperature protection for the water accumulation chamber, the plunger pump and the water level sensor, especially the plunger pump. When freezing occurs at low temperature, the residual water in the pump body will expand due to freezing and damage the pump body; the plunger pump has no high pressure and the mechanical components are complex, which is not conducive to miniaturization and lightweight. Content of the Utility Model

[0003] The purpose of the utility model is to provide a condensate water ultrasonic atomization cooling device with reasonable structure, small size, convenient use, and solve the above problems.

[0004] The technical solution adopted by the utility model is: a condensate water ultrasonic atomization cooling device, including: a cold air fan, an internal temperature and humidity sensor, a main control board, an ultrasonic atomization drive board, a radiator, an external temperature and humidity sensor, an ultrasonic atomization head, a drain solenoid valve, a circulation pump, a water collection tank, a cooling fan, a water-cooled head, a semiconductor refrigeration sheet, a heat conduction block, a water level sensor, a water absorption cotton swab; the cooling fan and the ultrasonic atomization head are respectively located on both sides of the radiator; the radiator, the circulation pump, and the water-cooled head are connected by pipelines to form a cooling circuit; the heating surface of the semiconductor refrigeration sheet is in close contact with the water-cooled head, and the refrigerating surface is in close contact with the heat conduction block. The heat conduction block is installed between the cold air fan and the semiconductor refrigeration sheet and is in close contact with both; the heat conduction block is above the water collection tank; the internal temperature and humidity sensor, the external temperature and humidity sensor, and the water level sensor are electrically connected to the input ports of the main control board; the ultrasonic atomization drive board, the cold air fan, the drain solenoid valve, the circulation pump, the cooling fan, and the semiconductor refrigeration sheet are electrically connected to the output ports of the main control board; the ultrasonic atomization head is electrically connected to the ultrasonic atomization drive board.

[0005] A condensate ultrasonic atomization cooling device as described above includes: a main control board, an ultrasonic atomization drive board, a radiator, a cooling fan, a cold air fan, a circulation pump, pipes, an ultrasonic atomization head, a water collection tank, a water level sensor, a drain solenoid valve, a temperature and humidity sensor, a water-cooled head, a heat conduction sheet, and a thermoelectric cooler. The water collection tank is equipped with a water level sensor. The box body has a water supply port, an overflow port, and a drain port. The water supply port is connected to the atomization head. The main control board is electrically connected to the ultrasonic atomization sheet drive board, the water level sensor, the temperature and humidity sensor, the cooling fan, the cold air fan, the circulation pump, and the drain solenoid valve, and controls the operating states of the cooling fan, the cold air fan, the circulation pump, and the thermoelectric cooler through the proportional-integral-derivative (PID) algorithm. The ultrasonic atomization drive board is electrically connected to the ultrasonic atomization head. The external temperature sensor is on the side of the radiator. The ultrasonic atomization head is located on the side of the radiator. The water collection tank is provided with a water supply port, an overflow port, and a drain port. The water supply port is connected to the ultrasonic atomization head through a pipe. The inside of the pipe is filled with a water-absorbing cotton swab. The drain solenoid valve is connected to the drain port of the water collection tank through a pipeline. The drain port is located at the bottommost position of the water collection tank. The overflow port is higher than the water supply port.

[0006] For a condensate ultrasonic atomization cooling device as described above, after the refrigeration parameters stored in the control board and the data collected by the temperature sensor are calculated through the written software algorithm, the start / stop duration ratio of the ultrasonic atomization drive board is controlled within a cycle time to drive the ultrasonic atomization head to turn the condensate generated by the evaporator or the heat conduction sheet into tiny droplets. The evaporation of the droplets cools the air around the condenser or the heat sink. The droplets that have not been completely evaporated adhere to the fins of the radiator along with the airflow generated by the cooling fan, and the temperature of the fins is reduced by evaporation heat absorption. The device is equipped with an external temperature and humidity sensor to monitor the ambient temperature of the radiator, and the opening / closing of the drain solenoid valve is controlled according to the temperature to prevent the condensate remaining in the water collection tank from freezing and damaging the atomization head, the water level sensor, and the water collection tank. The ultrasonic atomization nozzle uses piezoelectric ceramics to atomize the liquid through high-frequency vibration. It has a simple structure, a small volume, and flexible layout.

[0007] A condensate ultrasonic atomization cooling device as described above. Preferably, the main control board is composed of a data operation and storage module, a communication module, an analog-to-digital and digital-to-analog conversion module, an input circuit, an output circuit, an input port, an output port, and a communication port. Each module is plugged onto the control board through electronic connectors; the main control chip of the data operation and storage module is a single-chip microcomputer, for example: CKS32F103RBT6 chip. Its functions are to read the temperature, humidity data and water level data of the input circuit, encode and decode communication data, run logical algorithms and store programs, and generate corresponding output signals. Its data storage part uses an EEPROM chip, for example: AT24C16 data storage chip; the main control board is electrically connected to the ultrasonic atomization sheet drive board, water level sensor, temperature and humidity sensor, cooling fan, cold air fan, thermoelectric cooler, circulation pump, and drain solenoid valve, and controls the on / off duration ratio of the output signal of the output circuit of the main controller board through an algorithm based on the collected data and the preset refrigeration intensity data; it is provided with a communication module and a communication port, and can be connected to a host computer for data communication according to requirements.

[0008] A condensate ultrasonic atomization cooling device as described above. Preferably, the ultrasonic atomization drive board is electrically connected to the main control board, and its start / stop is controlled by the main control board.

[0009] A condensate ultrasonic atomization cooling device as described above. Preferably, the ultrasonic atomization head is electrically connected to the ultrasonic atomization drive board, and the ultrasonic atomization head is supplied with water through a cotton swab by capillary action.

[0010] A condensate ultrasonic atomization cooling device as described above. Preferably, the radiator is a water-cooled radiator, which is composed of a water inlet, a water outlet, a water channel pipe, and heat dissipation fins. The radiator is equipped with heat dissipation fins to improve the heat dissipation efficiency.

[0011] A condensate ultrasonic atomization cooling device as described above. Preferably, the cooling fan is a brushless speed-controlled fan, and its speed is controlled by the PID algorithm of the main control board.

[0012] A condensate ultrasonic atomization cooling device as described above. Preferably, the cold air fan is a brushless speed-controlled fan, and its speed is controlled by the PID algorithm of the main control board.

[0013] A condensate ultrasonic atomization cooling device as described above. Preferably, the circulation pump is a brushless speed-controlled centrifugal pump, and its speed is controlled by the PID algorithm of the main control board.

[0014] For the condensate ultrasonic atomization cooling device as described above, preferably, the pipes are five silicone hoses; the first pipe is the pipe connecting the radiator and the circulation pump, and the internal liquid flow direction is from the radiator to the circulation pump; the second pipe is the pipe connecting the circulation pump and the water-cooled head, and the internal liquid flow direction is from the circulation pump to the water-cooled head; the third pipe is the pipe connecting the water-cooled head and the radiator, and the internal liquid flow direction is from the water-cooled head to the radiator; the fourth pipe is the pipe connecting the ultrasonic atomization head and the water collection tank, and absorbent cotton swabs are filled inside; the fifth pipe is the pipe connecting the drain outlet of the water collection tank and the drain solenoid valve.

[0015] For the condensate ultrasonic atomization cooling device as described above, preferably, the water collection tank is made of plastic. A water level sensor is installed in the water collection tank. The water collection tank has the functions of collecting and storing condensate. The water storage tank has a water supply port, a drain port and an overflow port. Absorbent cotton swabs are installed at the water supply port to supply water to the ultrasonic atomization head. The overflow port is higher than the water supply port. When the condensate reaches the overflow port, the condensate is discharged. The drain port is located at the bottom of the water collection tank.

[0016] For the condensate ultrasonic atomization cooling device as described above, preferably, the external temperature and humidity sensor is located near the radiator and is electrically connected to the main control board. It collects the air temperature and humidity data around the radiator and transmits the data to the main control board. The main control board controls the opening / closing of the drain solenoid valve by comparing the data detected by the external temperature and humidity sensor with the preset data. When the temperature is lower than the preset value, the drain solenoid valve is opened, otherwise it is closed; by detecting and processing the data of the water level sensor, the internal temperature and humidity sensor, and the external temperature and humidity sensor, the operating states of the cold air fan, the circulation pump, and the cooling fan are controlled through the proportional-integral-derivative (PID) algorithm; the main control board controls the start / stop of the ultrasonic atomization drive board based on the received data, and then accurately controls the spray amount. When the collected temperature is lower than the preset protection temperature, the main control board controls the drain solenoid valve to open and drain the condensate inside the water collection tank.

[0017] For the condensate ultrasonic atomization cooling device as described above, preferably, the drain solenoid valve is electrically connected to the main control board; it is connected to the drain outlet of the water collection tank through a pipeline, and it is installed at a position lower than the water collection tank.

[0018] For the condensate ultrasonic atomization cooling device as described above, preferably, the internal temperature and humidity sensor is located near the cold conduction block and is electrically connected to the main control board. It collects the air temperature and humidity data around the cold conduction block and transmits the data to the main control board.

[0019] For the condensate ultrasonic atomization cooling device as described above, preferably, the water-cooled head is made of aluminum alloy and is connected to the radiator through a pipeline. It forms a cooling circulation loop with the radiator, the circulation pump and the circulation pipeline, and the cooling circulation loop is filled with coolant.

[0020] For the condensate ultrasonic atomization cooling device as described above, preferably, the heating surface of the thermoelectric cooler is closely attached to the cold guide head, and their contact surface is filled with thermal paste to improve the heat exchange efficiency with the cold guide head; the cooling surface of the thermoelectric cooler is closely attached to the cold guide block, and their contact surface is filled with thermal paste to improve the heat exchange efficiency with the cold guide block, and its operating power is controlled by the PID algorithm of the main control board.

[0021] Compared with the existing technology, the present utility model has the following beneficial effects:

[0022] A condensate ultrasonic atomization cooling device provided by the present utility model converts condensate into tiny droplets through an ultrasonic atomization head. The evaporation of the droplets cools the air around the condenser or heat sink. The cooled air is sucked into the radiator or condenser by the airflow of the cooling fan, and the temperature of the radiator or condenser is reduced through heat exchange. The droplets that are not evaporated are blown by the airflow generated by the cooling fan onto the fins of the condenser or radiator, and the temperature of the radiator or condenser is further reduced through evaporation and heat absorption.

[0023] A main control board, an external temperature and humidity sensor, and an internal temperature and humidity sensor are provided. The main control board can control the start / stop duration ratio of the ultrasonic atomization drive board within a cycle according to the size of the refrigeration load and the ambient temperature, automatically adjust the spray amount of the ultrasonic atomization head, prevent excessive droplets from accumulating and dripping on the radiator, and improve the utilization rate of condensate.

[0024] A temperature and humidity sensor, a main control board, and a drain solenoid valve are provided. When the temperature is lower than the preset protection temperature, the main controller controls the drain solenoid valve to open, drains the remaining condensate, and at the same time controls the ultrasonic atomization drive board to stop working to provide low-temperature protection for the drain solenoid valve, the water collection tank, and the ultrasonic atomization head.

[0025] An ultrasonic atomization head and a water-absorbing cotton swab are provided. The water-absorbing cotton swab supplies water to the ultrasonic atomization head through capillary action, and at the same time the water-absorbing cotton swab also filters the condensate, simplifying the structure, making it small in size and flexible in layout. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the present utility model will be described in detail below with reference to the drawings and embodiments.

[0027] Figure 1 This is the isometric view of the present utility model.

[0028] Figure 2 This is the front view of the present utility model.

[0029] Figure 3 This is the left view of the present utility model.

[0030] Figure 4It is an assembly relationship diagram of an ultrasonic atomizing head, a water collecting tank, a drain solenoid valve and a water level sensor.

[0031] Figure 5 It is a cross-sectional view along line C - C inside the pipeline of the ultrasonic atomizing head.

[0032] Figure 6 It is an isometric view of the positive three axes of the main control board.

[0033] Figure 7 It is a circuit topology diagram of the main control board.

[0034] Figure 8 It is a circuit topology diagram of the electrical connections of the various components of the present utility model.

[0035] Figure 9 It is a cross-sectional view along line D - D of the air guide cover of the present utility model.

[0036] In the figure: 201, cold air fan; 202, internal temperature and humidity sensor; 203, main control board; 204, ultrasonic atomization drive board; 205, radiator; 206, external temperature and humidity sensor; 207, ultrasonic atomizing head; 208, third pipeline; 209, drain solenoid valve; 210, fifth pipeline; 211, first pipeline; 212, fourth pipeline; 213, circulation pump; 214, second pipeline; 215, water collecting tank; 301, cooling fan; 302, water cooling head; 303, semiconductor refrigeration sheet; 304, cold conduction block; 401, water level sensor; 402, overflow port; 403, drain port; 404, water supply port; 501, absorbent cotton swab; 601, analog-to-digital conversion module; 602, communication module; 603, data operation and storage module; 604, input port; 605, communication port; 606, output port; 901, air guide cover. Detailed implementation manners

[0037] The following further describes the implementation of the present utility model in conjunction with specific embodiments.

[0038]

Embodiment 1

[0039] As Figure 1 , 2 , Figure 3 , Figure 8 shown, the main control board 203 is electrically connected to the cooling fan 301, the circulation pump 213, the semiconductor refrigeration sheet 303, and the cold air fan 201, and its working state is controlled by the PID algorithm. The main control board 203 is electrically connected to the ultrasonic atomization drive board 204, and start / stop duration ratio control is adopted. When a larger spray volume is required, the ratio of the start duration to the stop duration of the ultrasonic atomization drive board 204 increases, and vice versa.

[0040] As Figure 2 ,Figure 6 , Figure 7 As shown, the internal temperature and humidity sensor 202 and the water level sensor 401 are connected to the input port 604 of the main control board 203. After being converted by the analog-to-digital conversion module 601, they enter the data operation and storage module 603. After passing through the PID algorithm and logical processing, the drive signal is output through the output port 606 to the corresponding execution components; the main control board 203 is provided with a communication module 602 and a communication port 605, and data reading and operation control of the device are performed through the host computer as needed.

[0041] As Figure 2 , Figure 3 , Figure 8 As shown, the water-cooled head 302 transfers the heat generated by the semiconductor refrigeration sheet 303 to the coolant. Under the action of the circulation pump 213, the coolant enters the radiator 205. The coolant is cooled in the radiator 205. As the coolant continues to flow, it returns to the water-cooled head 302 to complete the cooling of the semiconductor refrigeration sheet 303. Under the action of heat conduction, the temperature of the cold conduction block 304 in contact with the semiconductor refrigeration sheet 303 decreases. As the cold air fan 201 operates, cold air is blown out to complete the refrigeration and cooling process. When the air blown by the cold air fan 201 encounters the low-temperature cold conduction block 304, the water vapor in the air is cooled, and condensed water adheres to the cold conduction block 304.

[0042] As the refrigeration device operates, condensed water is generated on the cold conduction block 304. After the condensed water accumulates, it flows along the cold conduction block 304 into the water collection tank 215 below it. The external temperature and humidity sensor 206 detects the air temperature around the radiator 205. If the detected temperature is higher than the preset temperature, the main control board 203 controls the drain solenoid valve 209 to remain closed. As the water level in the water collection tank 215 rises, the water level sensor 209 transmits the water level signal to the main control board 203. The condensed water in the water collection tank 215 is absorbed by the absorbent cotton swab 501. Under the capillary action of the absorbent cotton swab 501, the condensed water is transported to the ultrasonic atomizing head 207; at the same time, after receiving the water level signal, the main control board 203 controls the start / stop duration ratio of the ultrasonic atomizing drive board 204 according to the temperature data around the radiator 205 and the preset refrigeration parameters, so as to accurately control the spray volume; when the collected temperature is lower than the preset protection temperature, the main control board 203 controls the ultrasonic atomizing drive board 204 to stop working, and at the same time, the drain solenoid valve 209 is opened to drain the condensed water inside the water collection tank 215, providing low-temperature protection for the water collection tank 215, the drain solenoid valve 209 and the ultrasonic atomizing head 207 to prevent freezing and bursting.

[0043] As Figure 2 , Figure 3As shown in the figure, the ultrasonic atomizing head 207 is located on the side of the radiator 205. On the other side of the radiator 205 is the cooling fan 301. When the cooling fan 301 rotates, air flows in from the side of the ultrasonic atomizing head 207 and is discharged through the cooling fan 301. The condensed water atomized by the ultrasonic atomizing head 207 is discharged by the cooling fan 301 along with the air flow through the radiator 205. During this process, part of the droplets evaporate in the air. Due to the endothermic evaporation, the temperature of the air flow decreases. The cooled air flow cools the radiator 205 through air heat transfer; the droplets that have not completely evaporated are driven by the air flow and adhere to the radiator 205 to continue evaporating, further cooling the radiator 205.

[0044] The pipes are silicone hoses, a total of five; the first pipe 211 is the connecting pipe between the radiator 205 and the circulation pump 213, and the internal liquid flow direction is from the radiator 205 to the circulation pump 213; the second pipe 214 is the connecting pipe between the circulation pump 205 and the water-cooling head 302, and the internal liquid flow direction is from the circulation pump 205 to the water-cooling head 302; the third pipe 208 is the connecting pipe between the water-cooling head 302 and the radiator 205, and the internal liquid flow direction is from the water-cooling head 302 to the radiator 205; the fourth pipe 212 is the connecting pipe between the ultrasonic atomizing head 207 and the water collecting tank 215, and its interior is filled with absorbent cotton swabs; the fifth pipe 210 is the connecting pipe between the drain port 403 and the drain solenoid valve 209.

[0045] As Figure 4 shown in the figure, the water level sensor 401 is installed on the upper part of the water collecting tank 215. The water collecting tank 215 has a water supply port 404, an overflow port 402 and a drain port 403. The water supply port 404 is connected to the fourth pipe 212, and the drain port 403 is connected to the drain solenoid valve 209 through the fifth pipe 210. The drain port 403 is located at the bottom of the water collecting tank 215, and the overflow port 402 is higher than the water supply port 404. When there is too much condensed water, the excess condensed water is discharged through the overflow port 402.

[0046] As Figure 5 shown in the figure, the absorbent cotton swab 501 is located inside the fourth pipe 212. The absorbent cotton swab 501 transfers the condensed water in the water collecting tank 215 to the ultrasonic atomizing head 207 through capillary action. At the same time, the absorbent cotton swab 501 is also used to filter impurities in the condensed water to provide clean condensed water for the ultrasonic atomizing head 207.

[0047]

Example 2

[0048] As Figure 9As shown in the figure, the electrical and pipeline connections in this embodiment are the same as those in [Embodiment 1]. The difference is that a wind guide cover 901 is provided. In the use environment, there is air turbulence. The water mist formed after the condensation water is atomized cannot be completely sucked into the radiator under the influence of the air turbulence. In order to overcome the influence of the air turbulence, the wind guide cover 901 is provided. The air turbulence is blocked by the wind guide cover 901, and the water mist formed after the condensation water is atomized can smoothly flow through the radiator along the wind guide cover. This embodiment can reduce the influence of the air turbulence on the flow direction of the water mist after the condensation water is atomized and further improve the utilization rate of the condensation water.

[0049] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, etc. made within the principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A condensate ultrasonic atomization cooling device, characterized in that, It includes a cold air fan (201), an internal temperature and humidity sensor (202), a main control board (203), an ultrasonic atomization drive board (204), a radiator (205), an external temperature and humidity sensor (206), an ultrasonic atomization head (207), a drain solenoid valve (209), a circulation pump (213), a water collection tank (215), a cooling fan (301), a water cooling head (302), a thermoelectric cooler (303), a heat conduction block (304), a water level sensor (401), and a water absorbent cotton swab (501); the cooling fan (301) and the ultrasonic atomization head (207) are respectively located on both sides of the radiator (205); the radiator (205), the circulation pump (213), and the water cooling head (302) are connected by pipes to form a cooling circuit; the heating surface of the thermoelectric cooler (303) is in close contact with the water cooling head (302), and the cooling surface is in close contact with the heat conduction block (304), and the heat conduction block (304) is installed between the cold air fan (201) and the thermoelectric cooler (303) and is in close contact with both; the heat conduction block (304) is above the water collection tank (215); the internal temperature and humidity sensor (202), the external temperature and humidity sensor (206), and the water level sensor (401) are electrically connected to the input ports of the main control board (203); the ultrasonic atomization drive board (204), the cold air fan (201), the drain solenoid valve (209), the circulation pump (213), the cooling fan (301), and the thermoelectric cooler (303) are electrically connected to the output ports of the main control board (203); the ultrasonic atomization head (207) is electrically connected to the ultrasonic atomization drive board (204).

2. The condensate ultrasonic atomization cooling device according to claim 1, characterized in that The ultrasonic atomization head (207) is located on the side of the radiator (205) and is supplied with water by the water absorbent cotton swab (501) through capillary action. Under the control of the main control board (203), the spray amount is changed by changing the working start / stop duration ratio.

3. The condensate ultrasonic atomization cooling device according to claim 1, characterized in that The water collection tank (215) has a water supply port, a drain port, and an overflow port. The water supply port is connected to the ultrasonic atomization head (207) through a pipe, and the inside of the pipe is filled with the water absorbent cotton swab (501). The drain port of the water collection tank (215) is connected to the drain solenoid valve (209) through a pipe; the overflow port of the water collection tank (215) is higher than the water supply port, its drain port is located at the bottom, and is lower than the water supply port; a water level sensor (401) is installed on the upper part of the water collection tank (215).

4. The condensate ultrasonic atomization cooling device according to claim 1, characterized in that, The main control board (203) compares the data detected by the external temperature and humidity sensor (206) with the preset data to control the opening and closing of the drain solenoid valve (209). When the temperature is lower than the preset value, the drain solenoid valve (209) is opened, otherwise it is closed; by detecting and processing the data of the water level sensor (401), the internal temperature and humidity sensor (202), and the external temperature and humidity sensor (206), the operating states of the cold air fan (201), the circulation pump (213), and the cooling fan (301) are controlled through the proportional-integral-derivative (PID) algorithm.

5. The condensate ultrasonic atomization cooling device according to claim 1, characterized in that, The described cooling fan (301) is located on the side of the radiator. When it operates, the air flow direction enters the radiator (205) from the side of the ultrasonic atomizing head (207) and is discharged through the cooling fan (301).

Images