High and low temperature heat-resistant stability tester based on rapid temperature change and control method

Abstract

The invention discloses a high and low temperature heat-resistant stability tester based on rapid temperature change and a control method, the tester comprises a support frame and a support seat, the horizontal disc-shaped support seat is fixed at the upper part of the support frame, a support disc is coaxially, hermetically and rotatably connected outside the support seat, and a radial and vertical through groove is formed in the bottom end of the support seat; the upper portion of the through groove penetrates through the front end of the supporting base to form a through opening, a plurality of heating grooves and refrigerating grooves are formed in the circumference of the supporting disc at equal angles, and electric heating devices are installed in the heating grooves. The electric heating device and the electric refrigerating device are controlled to be powered on to work, the drawer can move up and down along the through groove by controlling the lifting mechanism, and the supporting disc can rotate relative to the supporting base by controlling the electric rotating driving mechanism, so that different heating grooves or refrigerating grooves are aligned and communicated with the through opening; when the drawer moves into the corresponding heating groove or refrigerating groove, various temperature tests can be conveniently carried out, the operation is simple and convenient, and the test efficiency is higher.

Description

Technical Field

[0001] The present invention relates to the technical field of temperature testing, and in particular to a high and low temperature heat resistance stability tester based on rapid temperature change and a control method thereof. Background Art

[0002] Since the temperature of the environment in which some devices or mechanisms are used varies greatly, the materials used to make such devices or mechanisms and the devices themselves are required to have good stability under high and low temperature conditions. In order to further ensure their stability during operation, corresponding temperature tests and verifications are required before use. However, existing testers have many inconveniences when performing multiple temperature tests: one is that the objects being tested are inconvenient to change and slow to test; the other is that the objects being tested are inconvenient to access, which is not conducive to testing. This reduces the test efficiency and highlights the shortcomings of the existing technology. Summary of the invention

[0003] The object of the present invention is to provide a high and low temperature heat resistance stability tester and a control method based on rapid temperature change, so as to solve the technical problem that the existing temperature tester is inconvenient to use and has low efficiency.

[0004] To achieve the above purpose, the present invention adopts the following technical solutions: A high and low temperature heat resistance stability tester based on rapid temperature change, comprising a support frame and a support seat, a horizontal disc-shaped support seat is fixed on the upper part of the support frame, a support plate is coaxially and sealably connected to the support plate outside the support seat, and a radial and vertical through groove is opened at the bottom, the upper part of the through groove passes through the front end of the support seat to form a through opening, a plurality of heating grooves and cooling grooves are opened at equal angles on the circumference of the support plate, an electric heating device is installed in the heating groove, and an electric cooling device is installed in the cooling groove, the through groove is sealed and slidably connected to a drawer up and down, and the bottom and the top of the drawer can be sealed and slid up and down with the through groove The support frame and the support plate are connected, and a lifting mechanism is installed together with the support base. The support frame and the support plate are installed together with an electric rotation drive mechanism. When the support plate rotates, any heating slot or cooling slot can be aligned with and connected to the through slot. When the through slot is aligned and connected with the heating slot or the cooling slot, the drawer can be inserted into the aligned heating slot or the cooling slot when it slides downward along the through slot to a certain position. When the drawer slides upward along the through slot to a certain position, it can be aligned with the through opening. A controller is fixed to the support frame, and the controller is electrically connected to the electric heating device, the electric cooling device and the electric rotation drive mechanism.

[0005] On the basis of the above technical scheme, each of the heating grooves and each of the cooling grooves are arranged relatively to the virtual axis of the support plate, and each of the heating grooves and each of the cooling grooves are respectively fixed with a temperature sensor, and each of the temperature sensors is respectively electrically connected to the controller, and each of the heating grooves is adjacent to each other, and the front part of each of the heating grooves and the front part of each of the cooling grooves are respectively fixedly connected with a front support pipe, and a front electric control stop valve is respectively installed in the middle of each of the front support pipes, and the front part of each of the front support pipes is connected together through a No. 1 connecting pipe, and the rear part of each of the heating grooves and The rear part of each refrigeration tank is fixedly connected to a rear support pipe, and the middle part of each rear support pipe is respectively installed with a rear electrically controlled stop valve. The rear parts of the rear support pipes connected to each heating tank are connected together through a No. 2 connecting pipe, and the rear parts of the rear support pipes connected to each refrigeration tank are connected together through a No. 3 connecting pipe. An air pump is fixed to the rear end of the support plate, the No. 2 connecting pipe is connected to the air inlet of the air pump, and the No. 3 connecting pipe is connected to the air outlet of the air pump. The front electrically controlled stop valve, the rear electrically controlled stop valve and the air pump are electrically connected to the controller respectively.

[0006] On the basis of the above technical scheme, the support plate is radially fixed with a accommodating shell, the accommodating shell is connected with a refrigeration groove of one of the accommodating shells, the accommodating shell and the connected refrigeration groove are sealed and separated by a fixed metal heat conducting plate, a metal gas storage tank is placed in the accommodating shell, the gas storage tank is fitted with the metal heat conducting plate, carbon dioxide gas is stored in the gas storage tank, and a dual-purpose pipe is fixedly connected, the dual-purpose pipe runs through the accommodating shell, an outlet pipe and an inlet pipe are fixedly connected at the bottom of the support seat, and a No. 3 electrically controlled stop valve for controlling on and off is respectively installed in the middle of the inlet pipe, the outlet pipe and the dual-purpose pipe, a smoke sensor is fixed on the top of the inner wall of the drawer, the No. 3 electrically controlled stop valve and the smoke sensor are electrically connected to the controller, the inlet pipe and the dual-purpose pipe can be connected through an external hose, and the drawer is connected with the inlet pipe and the outlet pipe when it is sealed and closed by the bottom of the through groove.

[0007] On the basis of the above technical scheme, a plurality of concave ventilation grooves are opened on the outer circumferential wall of the support plate, and each of the ventilation grooves is respectively arranged at intervals from each heating groove and cooling groove, and the cooling end of each electric refrigeration device is respectively located in the cooling groove, and its heat dissipation end is respectively located in the ventilation groove, and the electric refrigeration device has a waterproof function, a water collecting groove is fixed at the bottom of the support frame, a water pump is fixed at the bottom of the water collecting groove, a water suction port of the water pump is located in the water collecting groove, the water pump is electrically connected to the controller, a water spray pipe is fixed on the upper part of the support frame, and the water spray pipe is connected with the discharge port of the water pump through a pipeline, and the ventilation groove and the water spray pipe can correspond to each other up and down during the rotation of the support plate, and the ventilation grooves where each of the electric refrigeration devices is located are respectively penetrated with drainage holes, and a water guide groove is fixed at the front end of the support plate, each of the drainage holes is connected with the water guide groove, and the water guide groove corresponds to the water collecting groove up and down.

[0008] On the basis of the above technical scheme, the lifting mechanism includes a storage slot, a No. 1 servo motor, a speed regulating motor, and a turbofan. A storage slot is opened at the rear end of the upper part of the support seat, and a vertical No. 1 servo motor is fixed to the bottom end of the inner wall of the storage slot. The rotating shaft of the No. 1 servo motor is sealed and rotatably connected with the support seat, and the rotating shaft of the No. 1 servo motor is gap-inserted with the through slot. The rotating shaft of the No. 1 servo motor is vertically arranged, and the rotating shaft of the No. 1 servo motor is threadedly connected with the drawer. A speed regulating motor is fixed at the top of the drawer, and the rotating shaft of the speed regulating motor is vertically arranged, and the rotating shaft of the speed regulating motor is sealed and rotatably connected with the drawer. A turbofan is coaxially fixed to the bottom end of the rotating shaft of the speed regulating motor, and the No. 1 servo motor and the speed regulating motor are electrically connected to the controller.

[0009] On the basis of the above technical solution, the electric rotation drive mechanism includes a No. 2 servo motor, a gear, and a gear ring. The support frame is fixed with the No. 2 servo motor. The rotating shaft of the No. 2 servo motor is arranged parallel to the support base, and a gear is coaxially fixed to its rotating shaft. A gear ring is coaxially fixed to the front end of the support plate, and the gear ring is meshed with the gear. The No. 2 servo motor is electrically connected to the controller.

[0010] On the basis of the above technical solution, a control method of a high and low temperature heat resistance stability tester based on rapid temperature change is provided, and the control method comprises the following steps: Step 101, by controlling the lifting mechanism, the drawer is raised along the through groove until it is aligned with the through opening, at which time objects in the drawer can be conveniently placed in or taken out, and by controlling the lifting mechanism to lower the drawer, the through groove can be sealed to close the drawer.

[0011] Step 102, control the electric heating device and the electric cooling device to be powered on and operate, and by controlling the electric rotary drive mechanism to operate, the support plate can be rotated, so that the corresponding cooling groove or heating groove is aligned and connected with the bottom of the through groove, and then the lifting mechanism is controlled to move the drawer down along the through groove, so that the drawer can be inserted into the cooling groove or heating groove so that the object can be cooled or heated.

[0012] Compared with the prior art, the present invention has the following advantages: the present invention controls the electric heating device and the electric refrigeration device to be powered on and work, controls the lifting mechanism to enable the drawer to move up and down along the through groove, and controls the electric rotation drive mechanism to enable the support plate to rotate relative to the support seat, so that different heating grooves or cooling grooves are aligned and connected with the through opening. When the drawer is moved to the corresponding heating groove or cooling groove, a variety of temperature tests can be conveniently performed, the operation is simple and convenient, and the test efficiency is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the front structure of the present invention.

[0014] Figure 2 It is a front sectional structural schematic diagram of the present invention.

[0015] Figure 3 It is a schematic diagram of the rear structure of the present invention.

[0016] Figure 4 It is a schematic diagram of the axial structure of the support frame and the support seat of the present invention.

[0017] Figure 5 It is a schematic diagram of the axial structure of the support disk of the present invention.

[0018] In the figure: 1, support frame, 2, support seat, 3, support plate, 4, through groove, 5, through port, 6, heating groove, 7, cooling groove, 8, electric heating device, 9, electric cooling device, 10, drawer, 11, controller, 13, temperature sensor, 14, front support pipe, 15, front electric control stop valve, 16, No. 1 connecting pipe, 17, rear support pipe, 18, rear electric control stop valve, 19, No. 2 connecting pipe, 20, No. 3 connecting pipe, 21, air pump, 22, container Nanoshell, 23. Metal heat conduction plate, 24. Gas storage tank, 25. Dual-purpose tube, 26. Exhaust pipe, 27. Inlet pipe, 28. No. 3 electric stop valve, 29. Smoke sensor, 30. Ventilation slot, 31. Water collecting tank, 32. Water pump, 33. Spray pipe, 34. Drain hole, 35. Water guide groove, 36. Storage tank, 37. No. 1 servo motor, 38. Speed ​​regulating motor, 39. Turbofan, 40. No. 2 servo motor, 41. Gear, 42. Gear ring. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0020] like Figure 1-Figure 5As shown, a high and low temperature heat resistance stability tester based on rapid temperature change includes a support frame 1 and a support seat 2. A horizontal disc-shaped support seat 2 is fixed on the upper part of the support frame 1. A support plate 3 is coaxially and sealedly rotatably connected to the outer side of the support seat 2, and a radial and vertical through groove 4 is opened at the bottom. The upper part of the through groove 4 passes through the front end of the support seat 2 to form a through opening 5. A plurality of heating grooves 6 and cooling grooves 7 are opened at equal angles on the circumference of the support plate 3. An electric heating device 8 is installed in the heating groove 6, and an electric cooling device 9 is installed in the cooling groove 7. A drawer 10 is sealed and slidably connected to the through groove 4 from top to bottom. The bottom and top of the drawer 10 can be sealed and slidably connected to the through groove 4 from top to bottom, and are installed together with the support seat 2. The lifting mechanism, the support frame 1 and the support plate 3 are jointly equipped with an electric rotating drive mechanism, and the support plate 3 can make any heating groove 6 or cooling groove 7 aligned with and connected to the through groove 4 when rotating, and when the through groove 4 is aligned and connected with the heating groove 6 or cooling groove 7, the drawer 10 can be inserted into the aligned heating groove 6 or cooling groove 7 when it slides downward along the through groove 4 to a certain position, and the drawer 10 can be aligned with the through opening 5 when it slides upward along the through groove 4 to a certain position, and the support frame 1 is fixed with a controller 11, and the controller 11 is a known prior art, such as a single-chip microcomputer, a PLC or an industrial computer, and the controller 11 is electrically connected to the electric heating device 8, the electric cooling device 9 and the electric rotating drive mechanism.

[0021] The electric heating device 8 and the electric cooling device 9 are powered on and operated, and the drawer 10 can be moved up and down along the through slot 4 by controlling the lifting mechanism. The support plate 3 can be rotated relative to the support seat 2 by controlling the electric rotary drive mechanism, so that different heating slots 6 or cooling slots 7 are aligned and connected with the through port 5. When the drawer 10 moves to the corresponding heating slot 6 or cooling slot 7, various temperature tests can be conveniently performed, the operation is simple, and the test efficiency is higher.

[0022] Each of the heating grooves 6 and each of the cooling grooves 7 is arranged relative to the virtual axis of the support plate 3. A temperature sensor 13 is fixed in each of the heating grooves 6 and each of the cooling grooves 7, and each of the temperature sensors 13 is electrically connected to the controller 11. The heating grooves 6 are adjacent to each other, and the front of each of the heating grooves 6 and the front of each of the cooling grooves 7 are respectively fixedly connected with a front support pipe 14, and a front electric control stop valve 15 is installed in the middle of each of the front support pipes 14. The front of each of the front support pipes 14 is connected together through a No. 1 connecting pipe 16, and the rear of each of the heating grooves 6 and the rear of each of the cooling grooves 7 are respectively A rear support pipe 17 is fixedly connected, and a rear electric-controlled stop valve 18 is installed in the middle of each rear support pipe 17. The rear parts of the rear support pipes 17 connected to the heating tanks 6 are connected together through a No. 2 connecting pipe 19, and the rear parts of the rear support pipes 17 connected to the cooling tanks 7 are connected together through a No. 3 connecting pipe 20. An air pump 21 is fixed to the rear end of the support plate 3, the No. 2 connecting pipe 19 is connected to the air inlet of the air pump 21, and the No. 3 connecting pipe 20 is connected to the air outlet of the air pump 21. The front electric-controlled stop valve 15, the rear electric-controlled stop valve 18 and the air pump 21 are electrically connected to the controller 11 respectively.

[0023] Furthermore, after the temperature test is completed, the power supplies of the electric heating device 8 and the electric cooling device 9 are turned off. In order to quickly restore the heating tank 6 and the cooling tank 7 to the ambient temperature, the relatively arranged heating tank 6 and the cooling tank 7 can be connected to each other. Specifically, a relatively arranged heating tank 6 and a cooling tank 7 with a large temperature difference are selected, and then the corresponding front electrically controlled stop valve 15 and the rear electrically controlled stop valve 18 are controlled to be connected, and the other front electrically controlled stop valves 15 and the rear electrically controlled stop valves 18 are disconnected. At the same time, the air pump 21 is controlled to work, so that the hot air in the heating tank 6 can be extracted through the rear support pipe 17, the No. 2 connecting pipe 19 and the No. 3 connecting pipe 20 into the cooling tank 7, and then refluxed to the heating tank 6 through the front support pipe 14 and the No. 1 connecting pipe 16, so that the hot and cold air meet and the recovery to the ambient temperature is accelerated.

[0024] The support plate 3 is radially fixed with a housing 22, the housing 22 is connected to one of the refrigeration tanks 7, the housing 22 and the connected refrigeration tank 7 are sealed and separated by a fixed metal heat conducting plate 23, a metal gas storage tank 24 is placed in the housing 22, the gas storage tank 24 is fitted with the metal heat conducting plate 23, carbon dioxide gas is stored in the gas storage tank 24, and a dual-purpose pipe 25 is fixedly connected, the dual-purpose pipe 25 runs through the housing 22, and the bottom of the support seat 2 is provided with a metal gas storage tank 24. An air outlet pipe 26 and an air inlet pipe 27 are fixedly connected to each other, and a No. 3 electric-controlled stop valve 28 for controlling the on and off is respectively installed in the middle of the air inlet pipe 27, the air outlet pipe 26 and the dual-purpose pipe 25. A smoke sensor 29 is fixed to the top of the inner wall of the drawer 10, and the No. 3 electric-controlled stop valve 28 and the smoke sensor 29 are electrically connected to the controller 11. The air inlet pipe 27 and the dual-purpose pipe 25 can be connected through an external hose, and the drawer 10 is connected to the air inlet pipe 27 and the air outlet pipe 26 when the bottom of the through groove 4 is sealed and closed.

[0025] Furthermore, in order to improve the safety during use, when the test object in the drawer 10 is heated and burned in the heating tank 6, the smoke sensor 29 is triggered, and then the lifting mechanism is controlled by the controller 11 to lift the drawer 10. When the drawer 10 moves to the bottom of the through groove 4, it can be sealed by the through groove 4, thereby achieving the purpose of isolating oxygen and extinguishing the fire. The dual-purpose tube 25 is connected to the air inlet pipe 27 through an external pipeline, and then the No. 3 electric control stop valves 28 are controlled to be connected, so that the carbon dioxide gas in the gas tank 24 can enter the drawer 10 and be discharged from the outlet pipe 26, thereby achieving the purpose of isolating oxygen. At the same time, the gas tank 24 is affected by the refrigeration of the refrigeration tank 7, which can reduce the temperature of the carbon dioxide in the gas tank 24, thereby cooling the test object in the drawer 10 at the same time, thereby improving the fire extinguishing effect.

[0026] The outer circumferential wall of the support plate 3 is provided with a plurality of concave ventilation grooves 30, each of which is spaced apart from each heating groove 6 and cooling groove 7, and the cooling end of each electric refrigeration device 9 is respectively located in the cooling groove 7, and its heat dissipation end is respectively located in the ventilation groove 30, and the electric refrigeration device 9 has a waterproof function, and a water collecting groove 31 is fixed at the bottom of the support frame 1, and a water pump 32 is fixed at the bottom of the water collecting groove 31, and the water suction port of the water pump 32 is located in the water collecting groove 31, and the water pump 32 is connected to the control The control device 11 is electrically connected, a water spray pipe 33 is fixed on the upper part of the support frame 1, and the water spray pipe 33 is connected with the drainage port of the water pump 32 through a pipeline. During the rotation of the support plate 3, the ventilation groove 30 and the water spray pipe 33 can correspond to each other up and down, and the ventilation grooves 30 where the electric refrigeration devices 9 are located are respectively penetrated with drainage holes 34, and a water guide groove 35 is fixed at the front end of the support plate 3, and each of the drainage holes 34 is connected with the water guide groove 35, and the water guide groove 35 corresponds to the water collecting tank 31 up and down.

[0027] Furthermore, an appropriate amount of water is added to the water collecting tank 31. The electric refrigeration device 9 needs to dissipate heat at the heat dissipation end during the refrigeration process. When the ventilation tank 30 where the electric refrigeration device 9 is located is located directly below the water spray pipe 33, the water pump 32 is controlled to work, so that the water in the water collecting tank 31 can be extracted and injected into the ventilation tank 30 to cover the heat dissipation end of the electric refrigeration device 9. With continuous water injection, the water will eventually flow into the water collecting tank 31 through the drainage hole 34 and the water guide groove 35, or as the support plate 3 rotates, the water will flow from the ventilation tank 30 into the water collecting tank 31, thereby realizing water recycling and realizing water cooling of the heat dissipation end of the electric refrigeration device 9. At the same time, it realizes the cleaning of the heat dissipation end of the electric refrigeration device 9, making it more conducive to heat dissipation and making the refrigeration effect of the electric refrigeration device 9 more stable.

[0028] The lifting mechanism includes a storage slot 36, a No. 1 servo motor 37, a speed regulating motor 38, and a turbofan 39. The storage slot 36 is opened at the rear end of the upper part of the support base 2. A vertical No. 1 servo motor 37 is fixed to the bottom end of the inner wall of the storage slot 36. The rotating shaft of the No. 1 servo motor 37 is sealed and rotatably connected to the support base 2. The rotating shaft of the No. 1 servo motor 37 is gap-plugged with the through slot 4. The rotating shaft of the No. 1 servo motor 37 is vertically arranged. The rotating shaft of the No. 1 servo motor 37 is threadedly connected to the drawer 10. A speed regulating motor 38 is fixed to the top of the drawer 10. The rotating shaft of the speed regulating motor 38 is vertically arranged. The rotating shaft of the speed regulating motor 38 is sealed and rotatably connected to the drawer 10. A turbofan 39 is coaxially fixed to the bottom end of the rotating shaft of the speed regulating motor 38. The No. 1 servo motor 37 and the speed regulating motor 38 are electrically connected to the controller 11.

[0029] Furthermore, by controlling the No. 1 servo motor 37 to rotate forward and reverse, the drawer 10 can slide up and down along the through slot 4. When the drawer 10 is inserted into the heating slot 6 or the cooling slot 7, the turbofan 39 can be rotated by controlling the speed regulating motor 38 to rotate, thereby stirring the air in the heating slot 6 or the cooling slot 7, so that the test object is heated or cooled more stably, thereby improving the test accuracy.

[0030] The electric rotation drive mechanism includes a No. 2 servo motor 40, a gear 41, and a ring gear 42. The No. 2 servo motor 40 is fixed to the support frame 1. The rotating shaft of the No. 2 servo motor 40 is arranged parallel to the support base 2, and the gear 41 is coaxially fixed to its rotating shaft. The front end of the support plate 3 is coaxially fixed with a ring gear 42, and the ring gear 42 is meshed with the gear 41. The No. 2 servo motor 40 is electrically connected to the controller 11.

[0031] Furthermore, by controlling the second servo motor 40 to rotate forward and reverse, the meshing of the gear 41 and the gear ring 42 can be utilized to make the support plate 3 rotate forward and reverse relative to the support base 2 .

[0032] A method for controlling a high and low temperature heat resistance stability tester based on rapid temperature change, the method comprising the following steps: Step 101, control the lifting mechanism to make the drawer 10 rise along the through groove 4 until it is aligned with the through opening 5, then the objects in the drawer 10 can be conveniently put in or taken out, and control the lifting mechanism to make the drawer 10 descend so that the through groove 4 can seal and close the drawer 10.

[0033] Step 102, control the electric heating device 8 and the electric cooling device 9 to be powered on and operate, and by controlling the electric rotary drive mechanism to operate, the support plate 3 can be rotated, so that the corresponding cooling groove 7 or heating groove 6 is aligned and connected with the bottom of the through groove 4, and then the lifting mechanism is controlled to move the drawer 10 down along the through groove 4, so that the drawer 10 can be inserted into the cooling groove 7 or heating groove 6 so that the object can be cooled or heated.

[0034] The above is a preferred embodiment of the present invention. For ordinary technicians in this field, according to the teachings of the present invention, without departing from the principles and spirit of the present invention, changes, modifications, substitutions and variations made to the implementation methods are still within the scope of protection of the present invention.

Claims

1. A high and low temperature heat resistance stability tester based on rapid temperature change, comprising a support frame (1) and a support seat (2), characterized in that: A horizontal disc-shaped support seat (2) is fixed on the upper part of the support frame (1); a support plate (3) is coaxially and sealingly rotatably connected to the outside of the support seat (2); and a radial and vertical through groove (4) is opened at the bottom; the upper part of the through groove (4) passes through the front end of the support seat (2) to form a through opening (5); a plurality of heating grooves (6) and cooling grooves (7) are opened at equal angles on the circumference of the support plate (3); an electric heating device (8) is installed in the heating groove (6); an electric cooling device (9) is installed in the cooling groove (7); a drawer (10) is sealed and slidably connected to the through groove (4) from top to bottom; the bottom and the upper part of the drawer (10) can be sealed and slidably connected to the through groove (4) from top to bottom, and a lifting mechanism is installed together with the support seat (2); The support frame (1) and the support plate (3) are jointly equipped with an electric rotary drive mechanism. When the support plate (3) rotates, any heating groove (6) or cooling groove (7) can be aligned with and connected to the through groove (4). When the through groove (4) is aligned with and connected to the heating groove (6) or cooling groove (7), the drawer (10) can be inserted into the aligned heating groove (6) or cooling groove (7) when it slides downward along the through groove (4) to a certain position. When the drawer (10) slides upward along the through groove (4) to a certain position, it can be aligned with the through opening (5). A controller (11) is fixed to the support frame (1). The controller (11) is electrically connected to the electric heating device (8), the electric cooling device (9) and the electric rotary drive mechanism.

2. A high and low temperature heat resistance stability tester based on rapid temperature change according to claim 1, characterized in that: Each of the heating grooves (6) and each of the cooling grooves (7) is arranged relative to the virtual axis of the support plate (3); each of the heating grooves (6) and each of the cooling grooves (7) is respectively fixed with a temperature sensor (13); each of the temperature sensors (13) is respectively electrically connected to the controller (11); each of the heating grooves (6) is adjacent to each other; the front of each of the heating grooves (6) and the front of each of the cooling grooves (7) are respectively fixedly connected with a front support pipe (14); a front electric control stop valve (15) is respectively installed in the middle of each of the front support pipes (14); the front of each of the front support pipes (14) is connected together through a No. 1 connecting pipe (16); the rear of each of the heating grooves (6) and the rear of each of the cooling grooves (7) are respectively fixedly connected with a front electric control stop valve (15); A rear support pipe (17) is fixedly connected, and a rear electric control stop valve (18) is installed in the middle of each rear support pipe (17). The rear parts of the rear support pipes (17) connected to the heating grooves (6) are connected together through a No. 2 connecting pipe (19), and the rear parts of the rear support pipes (17) connected to the cooling grooves (7) are connected together through a No. 3 connecting pipe (20). An air pump (21) is fixed at the rear end of the support plate (3), the No. 2 connecting pipe (19) is connected to the air inlet of the air pump (21), and the No. 3 connecting pipe (20) is connected to the air outlet of the air pump (21). The front electric control stop valve (15), the rear electric control stop valve (18) and the air pump (21) are electrically connected to the controller (11) respectively.

3. A high and low temperature heat resistance stability tester based on rapid temperature change according to claim 2, characterized in that: The support plate (3) is radially fixed with a housing shell (22), the housing shell (22) is connected to one of the refrigeration grooves (7), the housing shell (22) and the connected refrigeration groove (7) are sealed and separated by a fixed metal heat conducting plate (23), a metal gas storage tank (24) is placed in the housing shell (22), the gas storage tank (24) is fitted with the metal heat conducting plate (23), carbon dioxide gas is stored in the gas storage tank (24), and a dual-purpose pipe (25) is fixedly connected, the dual-purpose pipe (25) runs through the housing shell (22), and the bottom of the support seat (2) is provided with a metal gas storage tank (24). An air outlet pipe (26) and an air inlet pipe (27) are fixedly connected, and a No. 3 electric-controlled stop valve (28) for controlling on and off is respectively installed in the middle of the air inlet pipe (27), the air outlet pipe (26) and the dual-purpose pipe (25). A smoke sensor (29) is fixed on the top of the inner wall of the drawer (10). The No. 3 electric-controlled stop valve (28) and the smoke sensor (29) are electrically connected to the controller (11). The air inlet pipe (27) and the dual-purpose pipe (25) can be connected through an external hose. When the drawer (10) is sealed by the bottom of the through groove (4), it is connected to the air inlet pipe (27) and the air outlet pipe (26).

4. A high and low temperature heat resistance stability tester based on rapid temperature change according to claim 3, characterized in that: The outer circumferential wall of the support plate (3) is provided with a plurality of inwardly concave ventilation grooves (30), each of the ventilation grooves (30) is arranged at intervals from each of the heating grooves (6) and the cooling grooves (7), the cooling ends of each of the electric refrigeration devices (9) are located in the cooling grooves (7), and the heat dissipation ends thereof are located in the ventilation grooves (30), the electric refrigeration devices (9) have a waterproof function, a water collecting groove (31) is fixed at the bottom of the support frame (1), a water pump (32) is fixed at the bottom of the water collecting groove (31), a water suction port of the water pump (32) is located in the water collecting groove (31), and the water pump (32) is connected to the control The support frame (1) is electrically connected to the device (11); a water spray pipe (33) is fixed on the upper part of the support frame (1); the water spray pipe (33) is connected to the drainage port of the water pump (32) through a pipeline; during the rotation of the support plate (3), the ventilation groove (30) and the water spray pipe (33) can correspond to each other up and down; the ventilation groove (30) where each of the electric refrigeration devices (9) is located is penetrated by a drainage hole (34); a water guide groove (35) is fixed to the front end of the support plate (3); each of the drainage holes (34) is connected to the water guide groove (35); and the water guide groove (35) corresponds to the water collecting groove (31) up and down.

5. A high and low temperature heat resistance stability tester based on rapid temperature change according to any one of claims 1 to 4, characterized in that: The lifting mechanism comprises a storage slot (36), a No. 1 servo motor (37), a speed regulating motor (38), and a turbofan (39); the storage slot (36) is formed at the rear end of the upper portion of the support seat (2); a No. 1 servo motor (37) is fixed vertically to the bottom end of the inner wall of the storage slot (36); the rotating shaft of the No. 1 servo motor (37) is rotatably connected to the support seat (2); the rotating shaft of the No. 1 servo motor (37) is gap-plugged with the through slot (4); the rotating shaft of the No. 1 servo motor (37) is The shaft is arranged vertically, the rotating shaft of the No. 1 servo motor (37) is threadedly connected to the drawer (10), a speed regulating motor (38) is fixed to the top of the drawer (10), the rotating shaft of the speed regulating motor (38) is arranged vertically, the rotating shaft of the speed regulating motor (38) is sealed and rotatably connected to the drawer (10), a turbofan (39) is coaxially fixed to the bottom end of the rotating shaft of the speed regulating motor (38), and the No. 1 servo motor (37), the speed regulating motor (38) and the controller (11) are electrically connected.

6. A high and low temperature heat resistance stability tester based on rapid temperature change according to any one of claims 1 to 4, characterized in that: The electric rotary drive mechanism comprises a No. 2 servo motor (40), a gear (41), and a ring gear (42); the No. 2 servo motor (40) is fixed to the support frame (1); the rotating shaft of the No. 2 servo motor (40) is arranged parallel to the support base (2), and the gear (41) is coaxially fixed to the rotating shaft; the ring gear (42) is coaxially fixed to the front end of the support plate (3); the ring gear (42) is meshed with the gear (41); and the No. 2 servo motor (40) is electrically connected to the controller (11).

7. The method for controlling a high and low temperature heat resistance stability tester based on rapid temperature change according to claim 1, characterized in that: The control method comprises the following steps: Step 101, controlling the lifting mechanism to make the drawer (10) rise along the through groove (4) until it is aligned with the through opening (5), at which time objects in the drawer (10) can be conveniently placed in or taken out, and controlling the lifting mechanism to make the drawer (10) descend so that the through groove (4) can seal and close the drawer (10); Step 102, control the electric heating device (8) and the electric cooling device (9) to be powered on and operate, and by controlling the electric rotary drive mechanism to operate, the support plate (3) can be rotated, so that the corresponding cooling groove (7) or heating groove (6) is aligned and connected with the bottom of the through groove (4), and then the lifting mechanism is controlled to move the drawer (10) downward along the through groove (4), so that the drawer (10) can be inserted into the cooling groove (7) or the heating groove (6) so that the object is cooled or heated.

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