Electromagnetic field generating device with moisture-proof and heat dissipation functions

Abstract

The utility model relates to the technical field of electric field preservation, disclose a kind of electromagnetic field generating device with moisture-proof heat dissipation function, including shell, shell includes the shell body of upper opening and the cover plate that covers in shell body upper opening, cover plate and shell body between being equipped with dehumidification heat dissipation device, dehumidification heat dissipation device includes the baffle of the opposite two sides of cover plate bottom surface fixed connection, baffle is perpendicular to cover plate and baffle two sides and the inner wall of shell body abut, two baffles are respectively connected semiconductor refrigeration piece, shell body and baffle opposite side are equipped with air inlet, cover plate is equipped with exhaust port, baffle and its opposite shell body between forming condensation cavity, two baffles form heat dissipation cavity, the bottom of baffle and the bottom surface of shell body between being equipped with the airflow channel of the communication condensation cavity and heat dissipation cavity, exhaust port is equipped with the exhaust fan connected with cover plate, two baffles between being equipped with support, support is connected electromagnetic field generator, the bottom of shell body is equipped with water collecting device.

Description

Technical Field

[0001] This utility model relates to the field of electromagnetic field preservation technology, and in particular to an electromagnetic field generating device with moisture-proof and heat dissipation functions. Background Technology

[0002] Electromagnetic field radiation technology is an emerging technology in the field of fruit and vegetable preservation. The alternating electric field of high-frequency radiation can inhibit the growth of microorganisms by reducing the water content and enzyme activity in tissues, thereby extending the storage period and maintaining the original taste of food.

[0003] Existing electromagnetic field generators rarely incorporate moisture-proof and heat-dissipating devices. Due to the humid working environment, the temperature difference between the generator and the outside air easily leads to condensation inside, causing internal dampness. This dampness affects the normal operation of electrical components, impacting the circuitry and ultimately damaging the generator. Furthermore, the heat generated by the equipment itself requires heat dissipation to prevent overheating and accelerated aging during long-term operation. Therefore, moisture-proofing and heat dissipation are crucial issues that need to be addressed to ensure normal operation and extend the lifespan of the equipment. Utility Model Content

[0004] This invention provides an electromagnetic field generator with moisture-proof and heat dissipation functions. The device has a reasonable structure, ensures that the air inside the shell is dry, has excellent dehumidification effect, and can effectively dissipate the overheating generated by the electromagnetic field generator inside the shell during long-term operation, thereby improving the stability and service life of the device. It also has low noise and vibration during operation.

[0005] The above-mentioned objective of the utility model is achieved through the following technical solution: An electromagnetic field generator with moisture-proof and heat dissipation functions includes a housing. The housing includes a shell body with an opening at the top and a cover plate that covers the opening at the shell body. A dehumidification and heat dissipation device is provided between the cover plate and the shell body. The dehumidification and heat dissipation device includes baffles fixed to opposite sides of the bottom surface of the cover plate. The baffles are perpendicular to the cover plate and their sides abut against the inner wall of the shell body. Semiconductor cooling chips are respectively connected to the two baffles. An air inlet is provided on the side of the shell body opposite to the baffles. An air outlet is provided on the cover plate. A condensation cavity is formed between the baffles and the shell body opposite them. The air inlet communicates with the condensation cavity. A heat dissipation cavity is formed between the two baffles. The air outlet communicates with the heat dissipation cavity. An airflow channel connecting the condensation cavity and the heat dissipation cavity is provided between the bottom of the baffles and the bottom surface of the shell body. An exhaust fan connected to the cover plate is provided on the air outlet. A bracket is provided between the two baffles. An electromagnetic field generator is connected to the bracket. A water collection device is provided at the bottom of the shell body.

[0006] In the aforementioned electromagnetic field generating device with moisture-proof and heat dissipation functions, the bracket includes a horizontally arranged support plate with several through holes, and the electromagnetic field generator is fixedly connected to the support plate.

[0007] In the aforementioned electromagnetic field generating device with moisture-proof and heat dissipation functions, the semiconductor cooling chip is disposed on the upper part of the baffle and opposite to the air inlet, the cold side of the semiconductor cooling chip is close to the condensation cavity, and the hot side of the semiconductor cooling chip is close to the heat dissipation cavity.

[0008] In the aforementioned electromagnetic field generating device with moisture-proof and heat dissipation functions, the cold and hot sides of the semiconductor refrigeration chip are respectively connected to fins, and thermally conductive silicone grease is coated between the cold and hot sides of the semiconductor refrigeration chip and the conductive fins.

[0009] In the aforementioned electromagnetic field generating device with moisture-proof and heat dissipation functions, a humidity sensor is provided on the bottom surface of the cover plate in the condensation chamber, and a temperature sensor is provided on the bottom surface of the cover plate in the heat dissipation chamber. The humidity sensor, temperature sensor, semiconductor cooling chip, and exhaust fan are all electrically connected to the controller.

[0010] In the aforementioned electromagnetic field generating device with moisture-proof and heat dissipation functions, sealing grooves are formed along the length direction on both sides of the baffle. The cross-section of the sealing groove is T-shaped, and a sealing strip is embedded in the sealing groove. The sealing strip abuts against the inner wall of the shell body.

[0011] In the aforementioned electromagnetic field generating device with moisture-proof and heat dissipation functions, an annular groove is formed on the top of the side plate at the opening of the shell body, and a sealing ring is embedded in the groove.

[0012] In the aforementioned electromagnetic field generating device with moisture-proof and heat dissipation functions, dustproof nets are provided at both the air inlet and the air outlet, and a flow guide hood connected to the cover plate is provided above the air outlet, the flow guide hood being a cone shape of varying sizes.

[0013] The aforementioned electromagnetic field generating device with moisture-proof and heat dissipation functions includes a water collection device comprising an inlet located at the lower part of the side plate of the shell body, into which a water collection box with an upper opening is inserted, and a handle connected to the outside of the water collection box. A drain hole is located on the front side of the water collection box, and the drain hole is connected to a drain pipe.

[0014] In the aforementioned electromagnetic field generating device with moisture-proof and heat dissipation functions, the side wall of the shell body inside the condensation chamber is provided with a downwardly inclined guide plate, and the lowest point of the guide plate is higher than the top of the water collection box.

[0015] In summary, the beneficial technical effects of this utility model are as follows: This utility model has a reasonable structure, ensuring that the air inside the shell is dry and has an excellent dehumidification effect. It can effectively dissipate the overheating generated by the electromagnetic field generator inside the shell during long-term operation, thereby improving the stability and service life of the device. It also has low noise and vibration during operation. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a cross-sectional view of the present invention; Figure 3 This is an exploded structural diagram of the present invention.

[0017] The diagram shows: 1. Shell; 2. Shell body; 21. Inlet; 22. Air guide plate; 23. Sealing ring; 3. Cover plate; 4. Dehumidification and heat dissipation device; 41. Baffle; 411. Sealing groove; 412. Sealing strip; 42. Semiconductor cooling chip; 421. Cold surface; 422. Hot surface; 423. Fin; 43. Air inlet; 44. Air outlet; 441. Exhaust fan; 45. Condensation chamber; 46. Heat dissipation chamber; 47. Airflow channel; 5. Support plate; 51. Through hole; 6. Electromagnetic field generator; 7. Water collection device; 71. Water collection box; 711. Drain hole; 72. Handle; 8. Air guide cover; 9. Dustproof net. Detailed Implementation

[0018] The following is in conjunction with the appendix Figure 1-3 The present invention will be described in further detail below.

[0019] like Figure 1-3 As shown, an electromagnetic field generating device with moisture-proof and heat dissipation functions includes a housing 1. The housing 1 includes a shell body 2 with an opening at the top and a cover plate 3 that covers the opening at the top of the shell body 2. The shell body 2 is in the shape of a cubic cylinder. A dehumidification and heat dissipation device 4 is provided between the cover plate 3 and the shell body 2. The dehumidification and heat dissipation device 4 includes baffles 41 fixed to opposite sides of the bottom surface of the cover plate 3. The baffles 41 are perpendicular to the cover plate 3 and their sides abut against the inner wall of the shell body 2. Semiconductor cooling chips 42 are respectively connected to the two baffles 41. An air inlet 43 is provided on the side of the shell body 2 opposite to the baffles 41, and an air outlet 44 is provided on the cover plate 3. A condensation zone is formed between the baffles 41 and the shell body 2 opposite to them. The cavity 45, that is, the baffle 41 and the adjacent and opposite side plates of the shell body 2 form a condensation cavity 45; the air inlet 43 is connected to the condensation cavity 45, and the two baffles 41 form a heat dissipation cavity 46, that is, the two baffles 41 and the side plates of the shell body 2 between the two baffles 41 together form a heat dissipation cavity 46; the exhaust port 44 is connected to the heat dissipation cavity 46, and an airflow channel 47 connecting the condensation cavity 45 and the heat dissipation cavity 46 is provided between the bottom of the baffle 41 and the bottom surface of the shell body 2. An exhaust fan 441 connected to the cover plate 3 is provided on the exhaust port 44, a bracket is provided between the two baffles 41, and an electromagnetic field generator 6 is connected to the bracket. A water collection device 7 is provided at the bottom of the shell body 2.

[0020] By using a semiconductor cooling chip 42, the temperature of the air entering the condensation chamber 45 is lowered below the dew point temperature, causing water vapor in the air to condense into water, thus achieving dehumidification. The dew point temperature refers to the temperature at which, with the water vapor content (absolute humidity) in the air remaining constant, the air reaches saturation (relative humidity 100%) and begins to condense into liquid water by lowering the temperature.

[0021] like Figure 2 , 3 As shown, in one embodiment, the bracket includes a horizontally arranged support plate 5, and the support plate 5 is provided with a plurality of through holes 51. The electromagnetic field generator 6 is fixedly connected to the support plate 5.

[0022] like Figure 2 As shown, in this embodiment, the semiconductor cooling chip 42 is disposed on the upper part of the baffle 41 and opposite to the air inlet 43. The cold surface 421 of the semiconductor cooling chip 42 is close to the condensation cavity 45, and the hot surface 422 of the semiconductor cooling chip 42 is close to the heat dissipation cavity 46.

[0023] The cold side 421 and hot side 422 of the thermoelectric cooler 42 are respectively connected to the fins 423. Thermal grease is applied between the cold side 421 and hot side 422 of the thermoelectric cooler 42 and the fins 423 and the fins 423 and the thermoelectric cooler 42 is then firmly connected. The thermal grease can increase the heat conduction area between the two and improve the uniformity of cooling or heating.

[0024] A humidity sensor (not shown in the figure) is installed on the bottom surface of the cover plate 3 inside the condensation chamber 45, and a temperature sensor (not shown in the figure) is installed on the bottom surface of the cover plate 3 inside the heat dissipation chamber 46. The humidity sensor, temperature sensor, semiconductor cooling chip 42 and exhaust fan 441 are all electrically connected to the controller.

[0025] Dustproof nets 9 are provided at both the air inlet 43 and the air outlet. Above the air outlet 44, there is a flow guide 8 connected to the cover plate 3. The flow guide 8 is a cone shape of varying sizes.

[0026] When the humidity sensor detects that the humidity inside the housing 1 is higher than the set value, the controller controls the semiconductor cooling chip 42 and the exhaust fan 441 to work. The humid air is drawn into the condensation chamber 45 from the air inlet 43 by the exhaust fan 441 and encounters the fins 423 on the cold side 421 of the semiconductor cooling chip 42. The fins 423 include multiple metal guide plates arranged vertically at intervals, which makes the dehumidification effect more significant. When the temperature drops below the dew point, the humid air condenses into water droplets and drips down the metal guide plates into the water collection device 7. After the humid air is dehumidified in the condensation chamber 45, the dry, cold air is drawn in by the exhaust fan 441 and enters the heat dissipation chamber 46 directly through the airflow channel 47 at the bottom of the baffle 41 or through the through hole 51 on the support plate 5. The air entering the heat dissipation chamber 46 exchanges heat with the fins 423 on the hot side 422 of the semiconductor cooling chip 42. If the heat on the hot side 422 of the semiconductor cooling chip 42 is not dissipated in time, the heat will be conducted back to the cold side 421, which will cause the cooling efficiency to drop sharply or even fail. After the cold air is heated, the heat is quickly discharged from the exhaust port 44 by the exhaust fan 441. The discharged airflow is quickly dispersed in a trumpet shape by the guide shroud 8. The guide shroud 8 is set above the exhaust port 44, which can also reduce dust and other impurities from directly entering the housing 1 through the exhaust port 44.

[0027] When the humidity sensor detects that the humidity inside the housing 1 is lower than the set value, and the temperature sensor detects that the temperature inside the housing 1 is higher than the set value, the controller only controls the exhaust fan 441 to start. Outside air enters from the air inlet 43 into the condensation chamber 45, the airflow channel 47, the heat dissipation chamber 46, and finally exits from the exhaust port 44. The flow of the above airflow can dissipate the heat in the heat dissipation chamber 46 to the outside, thereby effectively cooling the overheating generated by the operation of the electromagnetic field generator 6, ensuring the normal operation of the device, and improving its service life.

[0028] like Figure 3 As shown, in one embodiment, sealing grooves 411 are formed along the length direction on both sides of the baffle 41. The cross-section of the sealing groove 411 is T-shaped, and a sealing strip 412 is embedded in the sealing groove 411. The sealing strip 412 abuts against the inner wall of the shell body 2. In another embodiment, an annular groove is formed on the top of the side plate at the opening of the shell body 2, and a sealing ring 23 is embedded in the groove. The cover plate 3 covers the upper opening of the shell body 2, the sealing ring 23 abuts against the cover plate 3, and the cover plate 3 and the shell body 2 are connected by screws.

[0029] The above structure ensures that the airflow entering the condensation chamber 45 can only enter the heat dissipation chamber 46 through the airflow channel 47, thereby improving the heat dissipation effect.

[0030] In one embodiment, two exhaust vents 44 are provided and distributed on both sides of the top of the electromagnetic field generator 6.

[0031] The water collection device 7 in this embodiment includes an inlet 21 on the lower part of the side plate of the shell body 2, into which a water collection box 71 with an upper opening is inserted. A handle 72 is connected to the outside of the water collection box 71. The water collection box 71 is detachable and can be cleaned periodically.

[0032] In another embodiment, a drain hole 711 is provided on the front side of the water collection box 71. The drain hole 711 is connected to a drain pipe. The condensate in the water collection box 71 can be collected in real time through the drain pipe and then discharged out of the shell 1 through the drain pipe.

[0033] To ensure that the condensate in the condensation chamber 45 can flow smoothly into the water collection box 71, the side wall of the shell body 2 inside the condensation chamber 45 is provided with a downwardly inclined guide plate 22. The lowest point of the guide plate 22 is higher than the top of the water collection box 71 to avoid interference between the water collection box 71 and the guide plate 22 during the pushing and pulling process.

[0034] The embodiments described herein are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape, and principle of this utility model should be included within the scope of protection of this utility model.

Claims

1. An electromagnetic field generating device with moisture-proof and heat dissipation functions, comprising a housing, the housing including a shell body with an upper opening and a cover plate covering the opening on the shell body, characterized in that, A dehumidification and heat dissipation device is provided between the cover plate and the shell body. The dehumidification and heat dissipation device includes baffles fixed to opposite sides of the bottom surface of the cover plate. The baffles are perpendicular to the cover plate and their sides abut against the inner wall of the shell body. Semiconductor cooling chips are respectively connected to the two baffles. An air inlet is provided on the side of the shell body opposite to the baffles. An air outlet is provided on the cover plate. A condensation cavity is formed between the baffles and the shell body opposite them. The air inlet is connected to the condensation cavity. A heat dissipation cavity is formed between the two baffles. The air outlet is connected to the heat dissipation cavity. An airflow channel connecting the condensation cavity and the heat dissipation cavity is provided between the bottom of the baffles and the bottom surface of the shell body. An exhaust fan connected to the cover plate is provided on the air outlet. A bracket is provided between the two baffles. An electromagnetic field generator is connected to the bracket. A water collection device is provided at the bottom of the shell body.

2. The electromagnetic field generating device with moisture-proof and heat dissipation functions according to claim 1, characterized in that, The bracket includes a horizontally arranged support plate with several through holes, and the electromagnetic field generator is fixedly connected to the support plate.

3. The electromagnetic field generating device with moisture-proof and heat dissipation functions according to claim 1, characterized in that, The semiconductor cooling chip is disposed on the upper part of the baffle and opposite to the air inlet. The cold side of the semiconductor cooling chip is close to the condensation cavity, and the hot side of the semiconductor cooling chip is close to the heat dissipation cavity.

4. The electromagnetic field generating device with moisture-proof and heat dissipation functions according to claim 3, characterized in that, The cold and hot sides of the semiconductor refrigeration chip are respectively connected to fins, and thermally conductive silicone grease is applied between the cold and hot sides of the semiconductor refrigeration chip and the conductive fins.

5. The electromagnetic field generating device with moisture-proof and heat dissipation functions according to claim 1, characterized in that, A humidity sensor is installed on the bottom surface of the cover plate inside the condensation chamber, and a temperature sensor is installed on the bottom surface of the cover plate inside the heat dissipation chamber. The humidity sensor, temperature sensor, semiconductor cooling chip and exhaust fan are all electrically connected to the controller.

6. The electromagnetic field generating device with moisture-proof and heat dissipation functions according to claim 1, characterized in that, Sealing grooves are formed along the length of the side frames of the baffle. The cross-section of the sealing groove is T-shaped. A sealing strip is embedded in the sealing groove and abuts against the inner wall of the shell body.

7. The electromagnetic field generating device with moisture-proof and heat dissipation functions according to claim 1, characterized in that, An annular groove is formed on the top of the side plate at the opening on the shell body, and a sealing ring is embedded in the groove.

8. The electromagnetic field generating device with moisture-proof and heat dissipation functions according to claim 1, characterized in that, Both the air inlet and the air outlet are equipped with dustproof nets. Above the air outlet is a guide hood connected to the cover plate. The guide hood is a cone shape of varying sizes.

9. The electromagnetic field generating device with moisture-proof and heat dissipation functions according to claim 1, characterized in that, The water collection device includes an inlet at the lower part of the side plate of the shell body, into which a water collection box with an upper opening is inserted. A handle is connected to the outside of the water collection box, and a drain hole is opened on the front side of the water collection box, with the drain hole connected to a drain pipe.

10. The electromagnetic field generating device with moisture-proof and heat dissipation functions according to claim 9, characterized in that, The shell body inside the condensation chamber is provided with a downwardly inclined guide plate, the lowest point of which is higher than the top of the water collection box.

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