A box-type generator set internal constant temperature remote control communication system and method

Abstract

The present invention provides a box-type internal constant temperature remote control communication system for a generator set, comprising a supporting base, a protective shell, a jet fan, a temperature control mechanism, a supporting pad, a terminal block, a monitoring array, a ventilation fan, a jet air outlet, and a control circuit. The protective shell covers the upper end surface of the supporting base and forms a working chamber. The side wall of the protective shell is provided with at least one ventilation outlet. The temperature control mechanism is embedded in the working chamber and connected to the supporting base. It is also connected to the jet fan through a guide tube. The jet fan is connected to a plurality of jet air outlets. The monitoring array is connected to the top of the protective shell. The method of use includes four steps: generator set assembly, monitoring operation, passive cooling, and forced temperature control. On the one hand, the present invention can effectively meet the purpose of installation, positioning, and temperature control protection operations for generator sets of various structural types; on the other hand, it can flexibly adjust the operating temperature of the generator set according to the monitoring results, while improving the generator set's resistance to external force impact, dust droplets, and other pollutant erosion.

Description

Technical Field

[0001] The present invention relates to a box-type generator set internal constant temperature remote control communication system and a use method thereof, belonging to the technical field of power generation equipment. Background Art

[0002] At present, when the generator set is in operation, it is often directly exposed to the air. Although it can meet the needs of power generation operations, it is very easy to cause serious temperature rise during the operation of the generator set due to factors such as the external ambient temperature and its own excessive complexity. If it cannot be effectively cooled, it will cause serious equipment failure of the generator set. To address this problem, the current method is mainly to use traditional fans for forced cooling, but the cooling efficiency is poor and the operating energy consumption is high. At the same time, due to the direct operation in the air and the lack of effective protection measures, it is very easy to cause the generator set equipment failure due to external force impact and the generator set heat dissipation is poor and serious equipment failure is caused by dust and liquid erosion. There is currently no effective solution to this problem, which seriously affects the stability and reliability of the generator set equipment operation.

[0003] Therefore, in response to this situation, it is necessary to develop a new generator set protection equipment to meet the needs of actual use. Summary of the Invention

[0004] The purpose of the present invention is to provide a box-type generator set internal constant temperature remote control communication system and method.

[0005] In order to achieve the above object, the present invention provides the following technical solutions:

[0006] An internal constant-temperature remote control communication system for a box-type generator set, comprising a bearing base, a protective shell, a jet fan, a temperature regulating mechanism, bearing pads, terminal blocks, a monitoring array, a ventilation fan, jet air outlets and a control circuit. The bearing base is a plate-like structure with a rectangular cross-section, and at least four bearing pads are evenly distributed on its upper end surface. The protective shell is a cavity structure with a "冂"-shaped cross-section, covering the upper end surface of the bearing base and forming a working cavity with the bearing base as a sealed cavity structure. At least one ventilation opening is provided on the side wall of the protective shell, and a ventilation fan is arranged in the ventilation opening and coaxially distributed with the ventilation fan. The temperature regulating mechanism is embedded in the working cavity and connected to the bearing base. A ventilation air outlet is provided on the bearing base corresponding to the temperature regulating mechanism and is communicated with the outside of the working cavity through the ventilation air outlet. The temperature regulating mechanism is further connected to the jet fan through a diversion pipe. The jet fan is connected to a plurality of jet air outlets through the diversion pipe. The jet fan is connected to the outer surface of the temperature regulating mechanism. There are at least two jet air outlets, which are connected to the inner surface of the side wall of the protective shell around the axis of the working cavity, and the axis of the jet air outlet intersects the center of the working cavity. There is at least one monitoring array, which is embedded in the working cavity and connected to the top of the protective shell. The axis of the monitoring array intersects the midpoint of the upper end surface of the bearing base and forms an angle of 30° - 90° with the upper end surface of the bearing base. There are at least two terminal blocks, at least one of which is embedded in the outer surface of the protective shell, and at least one is embedded in the inner surface of the protective shell, and the terminal blocks on the inner surface and the outer surface of the protective shell are electrically connected to each other. The control circuit is embedded in the outer surface of the protective shell and is electrically connected to the jet fan, the temperature regulating mechanism, the terminal blocks, the monitoring array and the ventilation fan respectively.

[0007] Further, the temperature regulating mechanism includes a frame, a cold air blower, a hot air blower, a heat exchange plate and heat dissipation fins. The frame is a sealed cavity structure with a rectangular cross-section. The heat exchange plate is embedded in the frame and coaxially distributed with the frame, and the heat exchange plate divides the frame into a temperature regulating cavity and a heat exchange cavity from bottom to top. The heat exchange plate is a mesh plate structure, and the temperature regulating cavity and the heat exchange cavity are communicated through the mesh holes of the heat exchange plate. There are a plurality of heat dissipation fins, which are vertically distributed on the upper and lower end surfaces of the heat exchange plate respectively and form a plurality of diversion channels parallel to the axes of the cold air blower, the hot air blower and the jet fan. At least one cold air blower and at least one hot air blower are respectively embedded in the temperature regulating cavity. Through holes are provided at the bottom of the frame corresponding to the cold air blower and the hot air blower and are communicated with the ventilation air outlet of the bearing base through the through holes. Two through holes are provided on the side wall of the frame corresponding to the heat exchange cavity. One through hole is connected to the jet fan through a diversion pipe, and the other through hole is directly connected to the working cavity. The cold air blower and the hot air blower are both electrically connected to the control circuit.

[0008] Further, the aperture of the mesh holes of the heat exchange plate is not greater than 10 mm, and each mesh hole is located at the position of the heat exchange plate corresponding to the diversion channel. The height of the heat dissipation fins corresponding to the diversion channels is not less than 1 / 3 of the height of the temperature regulating cavity and the heat exchange cavity where they are located.

[0009] Furthermore, the monitoring array includes a turntable mechanism, a supporting platform, a temperature and humidity sensor, a smoke sensor, a monitoring camera and a tilt sensor. The supporting platform is connected to the protective shell through the turntable mechanism, and the front end surface of the supporting platform and the upper end surface of the supporting base form an angle of 0°-90°. The temperature and humidity sensor, smoke sensor, monitoring camera and tilt sensor are all connected to the front end surface of the supporting platform, and the optical axis of the monitoring camera is perpendicular to the front end surface of the supporting platform. The turntable mechanism is electrically connected to the control circuit.

[0010] Furthermore, the ventilation openings and vents are both provided with louver-type protective plates, and the louver-type protective plates are electrically connected to the control circuit.

[0011] Furthermore, the control system is a circuit system based on an industrial single chip microcomputer, and the control circuit is further provided with a serial communication device.

[0012] A method for using a remote temperature control communication system for a box-type generator set includes the following steps:

[0013] S1, Generator set assembly, install the generator set on the bearing base through the bearing pads, and electrically connect the generator set to the terminal blocks on the inner surface of the protective shell. The protective shell then covers the generator set to complete the positioning and protection of the generator set. The operating temperature range of the generator set is set through the control system.

[0014] S2, monitoring operation. After completing step S1, the temperature and humidity sensors, smoke sensors, monitoring cameras, and tilt sensors of the monitoring array simultaneously monitor the operating status of the generator set located in the working chamber formed by the supporting base and the protective shell, and feed the monitoring data back to the control system.

[0015] S3, passive cooling: When the operating temperature of the generator set rises, on the one hand, the jet fan drives the air circulation in the working chamber, and the heat exchange plate of the temperature control mechanism and the heat dissipation fins connected to the heat exchange plate exchange heat with the outside of the working chamber, thereby achieving the purpose of heat exchange and cooling of the generator; on the other hand, the ventilation fan discharges the high-temperature air in the working chamber to achieve auxiliary heat dissipation and cooling before working, thereby improving the efficiency of the cooling operation;

[0016] S4, forced temperature control. When step S2 detects that the temperature in the working chamber exceeds the temperature range set in step S1, one of the cold air blower and the hot air blower in the temperature control mechanism is driven to operate, and the air outside the working chamber is temperature-controlled and then transported to the temperature control chamber at the bottom of the temperature control mechanism frame. Then, a part of the temperature-controlled airflow passes through the heat exchange plate of the temperature control mechanism and directly enters the heat exchange chamber. Then, after being pressurized by the jet fan, it is directly sprayed onto the surface of the generator set in the working chamber through the jet air outlet to control the temperature of the generator set. On the other hand, the airflow after temperature control by the cold air blower and the hot air blower exchanges heat with the heat exchange plate and the heat fin plate connected to the heat exchange plate. The heat energy is stored by the heat exchange plate and the heat fin plate connected to the heat exchange plate. When the hot air blower and the cold air blower stop running, the temperature of the air in the heat exchange chamber is continuously controlled, thereby achieving the purpose of continuous temperature control of the working chamber.

[0017] On the one hand, the present invention has a simple structure and good versatility, and can effectively meet the purpose of installation, positioning and temperature control protection operations for generator sets of various structural types, and can effectively realize the needs of installation and positioning of generator sets in various working environments, greatly improving the versatility and flexibility of the use of generator sets; on the other hand, during operation, it can effectively realize real-time monitoring of the operating temperature status of the generator set, and flexibly adjust the operating temperature of the generator set according to the monitoring results, while improving the generator set's resistance to external force impact, dust droplets and other pollutant erosion, thereby greatly improving the stability and reliability of the generator set operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 It is a schematic diagram of the structure of the present invention;

[0020] Figure 2 Schematic diagram of the temperature control mechanism structure;

[0021] Figure 3 Flow chart of the method of the present invention. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0023] As Figure 1 and 2 shown, an internal constant temperature remote control communication system for a box-type generator set includes a bearing base 1, a protective shell 2, a jet fan 3, a temperature regulating mechanism 4, bearing pads 5, wiring terminals 6, a monitoring array 7, a ventilation fan 8, jet air outlets 9 and a control circuit 10. The bearing base 1 is a plate-like structure with a rectangular cross-section, and at least four bearing pads 5 are evenly distributed on its upper end surface. The protective shell 2 is a cavity structure with a "冂"-shaped cross-section, covering the upper end surface of the bearing base 1 and forming a working cavity 11 with the bearing base 1 as a sealed cavity structure. At least one ventilation port 12 is provided on the side wall of the protective shell 2, and a ventilation fan 8 is provided in the ventilation port 12 and coaxially distributed with the ventilation fan 8. The temperature regulating mechanism 4 is embedded in the working cavity 11 and connected to the bearing base 1. A ventilation air outlet 13 is provided on the bearing base 1 corresponding to the temperature regulating mechanism 4 and is communicated with the outside of the working cavity 11 through the ventilation port 13. The temperature regulating mechanism 4 is further connected to the jet fan 3 through a diversion pipe. The jet fan 3 is connected to a plurality of jet air outlets 9 through a diversion pipe. Among them, the jet fan 3 is connected to the outer surface of the temperature regulating mechanism 4. There are at least two jet air outlets 9, which are connected to the inner surface of the side wall of the protective shell 2 around the axis of the working cavity 11, and the axis of the jet air outlet 8 intersects the center of the working cavity 11. There is at least one monitoring array 7, which is embedded in the working cavity 11 and connected to the top of the protective shell 2. The axis of the monitoring array 7 intersects the midpoint of the upper end surface of the bearing base 1 and forms an angle of 30° - 90° with the upper end surface of the bearing base 1. There are at least two wiring terminals 6, at least one of which is embedded in the outer surface of the protective shell 2, and at least one of which is embedded in the inner surface of the protective shell 2, and the wiring terminals 6 on the inner surface and the outer surface of the protective shell 2 are electrically connected to each other. The control circuit 10 is embedded in the outer surface of the protective shell 2 and is electrically connected to the jet fan 3, the temperature regulating mechanism 4, the wiring terminals 6, the monitoring array 7 and the ventilation fan 8 respectively.

[0024] It is emphasized that the temperature control mechanism 4 includes a frame 41, a cold air blower 42, a hot air blower 43, a heat exchange plate 44, and a heat dissipation fin plate 45. The frame 41 is a closed cavity structure with a rectangular cross section. The heat exchange plate 44 is embedded in the frame 41 and is coaxially distributed with the frame 41. The heat exchange plate 44 divides the frame 41 from bottom to top into a temperature control cavity 401 and a heat exchange cavity 402. The heat exchange plate 44 is a mesh structure, and the temperature control cavity 401 and the heat exchange cavity 402 are connected through the mesh of the heat exchange plate 44. There are several heat dissipation fin plates 45, which are respectively distributed perpendicular to the upper end face and the lower end face of the heat exchange plate 44, and form several heat dissipation fin plates 45. The guide channel 403 of the cold air fan 42, the hot air fan 43 and the jet fan 3 is distributed parallel to the axis, wherein the cold air fan 42 and the hot air fan 43 are each at least one, respectively embedded in the temperature adjustment chamber 401, and the bottom of the frame 41 corresponding to the cold air fan 42 and the hot air fan 43 is provided with a through hole 46, and is connected to the vent 13 of the supporting base 1 through the through hole 46. There are two through holes 46 on the side wall of the frame 41 corresponding to the heat exchange chamber 402, one of which is connected to the jet fan 3 through the guide pipe, and the other is directly connected to the working chamber 11. The cold air fan 42 and the hot air fan 43 are both electrically connected to the control circuit 10.

[0025] Further optimized, the mesh aperture of the heat exchange plate 44 is not greater than 10 mm, and each mesh is located at the position of the heat exchange plate 44 corresponding to the guide channel 403, and the height of the heat dissipation fin plate 45 corresponding to the guide channel 403 is not less than 1 / 3 of the height of the temperature control cavity 401 and the heat exchange cavity 402 where it is located.

[0026] At the same time, the monitoring array 7 includes a turntable mechanism 71, a supporting platform 72, a temperature and humidity sensor 73, a smoke sensor 74, a monitoring camera 75 and a tilt sensor 76. The supporting platform 72 is connected to the protective shell 2 through the turntable mechanism 71, and the front end face of the supporting platform 72 is at an angle of 0°-90° to the upper end face of the supporting base 1. The temperature and humidity sensor 73, the smoke sensor 74, the monitoring camera 75 and the tilt sensor 76 are all connected to the front end face of the supporting platform 72, and the optical axis of the monitoring camera 75 is perpendicular to the front end face of the supporting platform 72. The turntable mechanism 71 is electrically connected to the control circuit 10.

[0027] In this embodiment, the ventilation opening 12 and the vent 13 are both provided with louver-type protective plates 14 , and the louver-type protective plates 14 are electrically connected to the control circuit 10 .

[0028] In this embodiment, the control system 10 is a circuit system based on an industrial single chip microcomputer, and the control circuit is further provided with a serial communication device.

[0029] like Figure 3 As shown, a method for using a remote temperature control communication system for a box-type generator set includes the following steps:

[0030] S1, Generator set assembly, install the generator set on the bearing base through the bearing pads, and electrically connect the generator set to the terminal blocks on the inner surface of the protective shell. The protective shell then covers the generator set to complete the positioning and protection of the generator set. The operating temperature range of the generator set is set through the control system.

[0031] S2, monitoring operation. After completing step S1, the temperature and humidity sensors, smoke sensors, monitoring cameras, and tilt sensors of the monitoring array simultaneously monitor the operating status of the generator set located in the working chamber formed by the supporting base and the protective shell, and feed the monitoring data back to the control system.

[0032] S3, passive cooling: When the operating temperature of the generator set rises, on the one hand, the jet fan drives the air circulation in the working chamber, and the heat exchange plate of the temperature control mechanism and the heat dissipation fins connected to the heat exchange plate exchange heat with the outside of the working chamber, thereby achieving the purpose of heat exchange and cooling of the generator; on the other hand, the ventilation fan discharges the high-temperature air in the working chamber to achieve auxiliary heat dissipation and cooling before working, thereby improving the efficiency of the cooling operation;

[0033] S4, forced temperature control. When step S2 detects that the temperature in the working chamber exceeds the temperature range set in step S1, one of the cold air blower and the hot air blower in the temperature control mechanism is driven to operate, and the air outside the working chamber is temperature-controlled and then transported to the temperature control chamber at the bottom of the temperature control mechanism frame. Then, a part of the temperature-controlled airflow passes through the heat exchange plate of the temperature control mechanism and directly enters the heat exchange chamber. Then, after being pressurized by the jet fan, it is directly sprayed onto the surface of the generator set in the working chamber through the jet air outlet to control the temperature of the generator set. On the other hand, the airflow after temperature control by the cold air blower and the hot air blower exchanges heat with the heat exchange plate and the heat fin plate connected to the heat exchange plate. The heat energy is stored by the heat exchange plate and the heat fin plate connected to the heat exchange plate. When the hot air blower and the cold air blower stop running, the temperature of the air in the heat exchange chamber is continuously controlled, thereby achieving the purpose of continuous temperature control of the working chamber.

[0034] On the one hand, the present invention has a simple structure and good versatility, effectively meeting the purpose of installing, positioning, and temperature-controlling and protecting generator sets of various structural types. It can effectively meet the needs of generator set installation and positioning in various working environments, greatly improving the versatility and flexibility of generator set use. On the other hand, during operation, it can effectively monitor the operating temperature of the generator set in real time and flexibly adjust the operating temperature based on the monitoring results. At the same time, it improves the generator set's resistance to external impacts, dust droplets, and other pollutants, thereby greatly improving the stability and reliability of the generator set's operation.

[0035] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A box-type generator set internal constant temperature remote control communication system, characterized by: The internal constant-temperature remote control communication system of the box-type generator set includes a bearing base, a protective shell, a jet fan, a temperature regulating mechanism, bearing pads, terminal blocks, a monitoring array, a ventilation fan, jet air outlets and a control circuit. The bearing base is a plate-like structure with a rectangular cross-section, and at least four bearing pads are evenly distributed on its upper end surface. The protective shell is a cavity structure with a "冂"-shaped cross-section, covering the upper end surface of the bearing base and forming a working cavity with a sealed cavity structure with the bearing base. At least one ventilation port is provided on the side wall of the protective shell, and a ventilation fan is provided in the ventilation port and is coaxially distributed with the ventilation fan. The temperature regulating mechanism is embedded in the working cavity and is connected to the bearing base. A ventilation air outlet is provided on the bearing base corresponding to the temperature regulating mechanism and is communicated with the outside of the working cavity through the ventilation port. The temperature regulating mechanism is further connected to the jet fan through a diversion pipe. The jet fan is connected to a plurality of jet air outlets through a diversion pipe. Among them, the jet fan is connected to the outer surface of the temperature regulating mechanism. There are at least two jet air outlets, which are connected to the inner surface of the side wall of the protective shell around the axis of the working cavity, and the axis of the jet air outlet intersects the center of the working cavity. There is at least one monitoring array, which is embedded in the working cavity and is connected to the top of the protective shell. The axis of the monitoring array intersects the midpoint of the upper end surface of the bearing base and forms an angle of 30°-90° with the upper end surface of the bearing base. There are at least two terminal blocks, at least one of which is embedded in the outer surface of the protective shell, and at least one of which is embedded in the inner surface of the protective shell, and the terminal blocks on the inner surface and the outer surface of the protective shell are electrically connected to each other. The control circuit is embedded in the outer surface of the protective shell and is electrically connected to the jet fan, the temperature regulating mechanism, the terminal blocks, the monitoring array and the ventilation fan respectively.

2. The box-type generator set internal constant temperature remote control communication system according to claim 1, characterized in that: The temperature regulating mechanism includes a frame, a cold air blower, a hot air blower, a heat exchange plate and heat dissipation fins. The frame is a sealed cavity structure with a rectangular cross-section. The heat exchange plate is embedded in the frame and is coaxially distributed with the frame, and the heat exchange plate divides the frame into a temperature regulating cavity and a heat exchange cavity from bottom to top. The heat exchange plate is a mesh plate structure, and the temperature regulating cavity and the heat exchange cavity are communicated through the mesh holes of the heat exchange plate. There are a plurality of heat dissipation fins, which are vertically distributed on the upper and lower end surfaces of the heat exchange plate respectively, and form a plurality of diversion channels parallel to the axes of the cold air blower, the hot air blower and the jet fan. Among them, there is at least one cold air blower and at least one hot air blower, which are respectively embedded in the temperature regulating cavity. Through holes are provided at the bottom of the frame corresponding to the cold air blower and the hot air blower, and are communicated with the ventilation port of the bearing base through the through holes. Two through holes are provided on the side wall of the frame corresponding to the heat exchange cavity, one of which is communicated with the jet fan through a diversion pipe, and the other is directly communicated with the working cavity. The cold air blower and the hot air blower are both electrically connected to the control circuit.

3. The box-type generator set internal constant temperature remote control communication system according to claim 2, characterized in that: The aperture of the mesh holes of the heat exchange plate is not greater than 10 mm, and each mesh hole is located at the position of the heat exchange plate corresponding to the diversion channel. The height of the heat dissipation fins corresponding to the diversion channel is not less than 1 / 3 of the height of the temperature regulating cavity and the heat exchange cavity where they are located.

4. The box-type generator set internal constant temperature remote control communication system according to claim 3, characterized in that: The monitoring array includes a turntable mechanism, a supporting platform, a temperature and humidity sensor, a smoke sensor, a monitoring camera and a tilt sensor. The supporting platform is connected to the protective shell through the turntable mechanism, and the front end surface of the supporting platform and the upper end surface of the supporting base form an angle of 0°-90°. The temperature and humidity sensor, smoke sensor, monitoring camera and tilt sensor are all connected to the front end surface of the supporting platform, and the optical axis of the monitoring camera is perpendicular to the front end surface of the supporting platform. The turntable mechanism is electrically connected to the control circuit.

5. The box-type generator set internal constant temperature remote control communication system according to claim 1, characterized in that: The ventilation openings and vents are both provided with shutter-type protective plates, and the shutter-type protective plates are electrically connected to the control circuit.

6. The box-type generator set internal constant temperature remote control communication system according to claim 1, characterized in that: The control circuit is a circuit system based on an industrial single chip microcomputer, and the control circuit is further provided with a serial communication device.

7. The method for using the internal constant temperature remote control communication system of a box-type generator set according to claim 4, characterized in that: The method for using the internal constant temperature remote control communication system of the box-type generator set comprises the following steps: S1, Generator assembly: Install the generator set on the bearing base through the bearing pads, and electrically connect the generator set to the terminal blocks on the inner surface of the protective shell. The protective shell then covers the generator set to complete the positioning and protection of the generator set, and the operating temperature range of the generator set is set through the control circuit. S2, monitoring operation. After completing step S1, the temperature and humidity sensors, smoke sensors, monitoring cameras, and tilt sensors of the monitoring array simultaneously monitor the operating status of the generator set located in the working chamber formed by the supporting base and the protective shell, and feed the monitoring data back to the control circuit; S3, passive cooling: When the operating temperature of the generator set rises, on the one hand, the jet fan drives the air circulation in the working chamber, and the heat exchange plate of the temperature control mechanism and the heat dissipation fins connected to the heat exchange plate exchange heat with the outside of the working chamber, thereby achieving the purpose of heat exchange and cooling of the generator; on the other hand, the ventilation fan discharges the high-temperature air in the working chamber to achieve auxiliary heat dissipation and cooling before working, thereby improving the efficiency of the cooling operation; S4, forced temperature control. When step S2 detects that the temperature in the working chamber exceeds the temperature range set in step S1, one of the cold air blower and the hot air blower in the temperature control mechanism is driven to operate, and the air outside the working chamber is temperature-controlled and then transported to the temperature control chamber at the bottom of the temperature control mechanism frame. Then, a part of the temperature-controlled airflow passes through the heat exchange plate of the temperature control mechanism and directly enters the heat exchange chamber. Then, after being pressurized by the jet fan, it is directly sprayed onto the surface of the generator set in the working chamber through the jet air outlet to control the temperature of the generator set. On the other hand, the airflow after temperature control by the cold air blower and the hot air blower exchanges heat with the heat exchange plate and the heat fin plate connected to the heat exchange plate. The heat energy is stored by the heat exchange plate and the heat fin plate connected to the heat exchange plate. When the hot air blower and the cold air blower stop running, the temperature of the air in the heat exchange chamber is continuously controlled, thereby achieving the purpose of continuous temperature control of the working chamber.

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