Testing device for testing thermal insulation performance of thermos bottle

Abstract

The utility model discloses a testing device for testing the thermal insulation performance of a thermos flask, which comprises a control box, a conveying mechanism, a heating mechanism, a temperature measuring mechanism, a heat dissipation mechanism and a blanking mechanism, and is characterized in that the conveying mechanism comprises a driving unit, a plurality of material supporting units and a plurality of detection units; one end is connected with the input end of the blanking mechanism; the multiple material supporting units are sequentially arranged at the driving end of the driving unit in the extending direction of the driving unit. The plurality of detection units are arranged on the bottom sides of the plurality of material supporting units corresponding to the material supporting stations on the top side of the driving unit; the multiple material supporting units are correspondingly matched with the temperature rising mechanism, the temperature measuring mechanism and the heat dissipation mechanism. The plurality of material supporting units are correspondingly matched with the heating mechanism, the temperature measuring mechanism and the heat dissipation mechanism respectively, so that the thermos bottle supported by each material supporting unit can be accurately aligned with the heating mechanism, the temperature measuring mechanism and the heat dissipation mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of test devices, in particular to a test device for testing the heat preservation performance of a thermos bottle. Background Art

[0002] The insulation performance test of a thermos bottle is a process used to evaluate its ability to maintain the temperature of a liquid for a specific period of time. This type of testing aims to verify whether the bottle can effectively maintain the temperature of the liquid for a specific period of time, ensuring that it meets the design requirements and consumer expectations of insulation products. Existing insulation performance testing methods for thermos bottles often use the temperature difference between the inside and outside to calculate the vacuum level of the thermos bottle, and thus test its insulation performance. This method is based on the principle of heat conduction. The thermos bottle maintains temperature due to the presence of a vacuum layer between its inner and outer walls, which effectively reduces heat loss through conduction and convection. By measuring the temperature difference between the inside and outside of the bottle and combining it with heat transfer formulas, the vacuum level of the thermos can be estimated, thereby evaluating its insulation performance. The main function of the vacuum layer is to prevent heat conduction. In theory, a vacuum cannot transfer heat. However, due to technical and manufacturing reasons, the vacuum layer of a thermos bottle may contain tiny gas molecules, which can result in a small amount of heat transfer. By measuring the temperature difference between the inside and outside of the thermos bottle, the heat transfer rate through the vacuum layer can be estimated, and the insulation effect of the vacuum layer can be calculated. If the temperature difference is large, it means that the vacuum layer has a good thermal insulation effect; conversely, if the temperature difference is small, it indicates that there may be a problem with the vacuum layer, resulting in increased heat transfer.

[0003] Existing thermos insulation performance tests generally involve manual loading and unloading, followed by heating the inside of the thermos using a heating device, and then measuring the external temperature of the thermos. The test equipment lacks a conveying and positioning mechanism, resulting in a low degree of automation in the performance test, low test result accuracy, and low test efficiency. Utility Model Content

[0004] Based on this, it is necessary to provide a test device for testing the thermal insulation performance of thermos bottles in order to solve the technical problem that the existing thermal insulation performance testing equipment of thermos bottles lacks a conveying and positioning mechanism.

[0005] A test device for testing the heat preservation performance of a thermos flask, comprising a control box, a conveying mechanism, a heating mechanism, a temperature measuring mechanism, a heat dissipation mechanism and a feeding mechanism, wherein the conveying mechanism, the heating mechanism, the temperature measuring mechanism and the heat dissipation mechanism are all arranged on the top surface of the control box, the conveying mechanism extends from one end to the other end of the control box, and the output end of the conveying mechanism is connected to the input end of the feeding mechanism; the heating mechanism and the heat dissipation mechanism are arranged on one side of the conveying mechanism, and the temperature measuring mechanism is arranged on the other side of the conveying mechanism relative to the heating mechanism.

[0006] The conveying mechanism includes a driving unit, several supporting units and several detection units. The driving unit extends from one end of the top surface of the control box to the other end, and one end is connected to the input end of the unloading mechanism; the several supporting units are arranged in sequence along the extension direction of the driving unit at the driving end of the driving unit; and the several detection units are arranged on the bottom side of the several supporting units corresponding to the supporting stations on the top side of the driving unit.

[0007] The plurality of supporting units are respectively matched with the heating mechanism, the temperature measuring mechanism and the heat dissipation mechanism.

[0008] In one embodiment, the above-mentioned driving unit is configured as a transmission belt, which extends from one end of the top side surface of the control box to the other end, and the top side surface of the transmission belt rolls toward the unloading mechanism and is connected to the input end of the unloading mechanism, and a plurality of supporting units are installed on the surface of the transmission belt.

[0009] In one embodiment, the transmission belt includes a progressive motor, a transmission chain and a chain transmission mechanism, the output end of the progressive motor drives one end of the transmission chain, and the other end of the transmission chain drives the chain transmission mechanism; a plurality of support units are installed on the chain transmission mechanism.

[0010] In one embodiment, the transmission belt further comprises a first mounting plate, which is disposed on the chain transmission mechanism and faces the plurality of supporting units on the top side.

[0011] In one embodiment, the above-mentioned multiple detection units are arranged on the top surface of the first mounting plate, and the multiple detection units are arranged along the conveying direction of the transmission belt corresponding to the testing and heat dissipation stations corresponding to the heating mechanism and the heat dissipation mechanism.

[0012] In one embodiment, the detection unit is configured as a diffuse reflection sensor.

[0013] In one embodiment, each of the above-mentioned supporting units is configured as a V-shaped supporting plate, and the open end of the V-shaped supporting plate is configured to face away from the chain transmission mechanism.

[0014] In one embodiment, the bottom wall of each V-shaped support plate is provided with avoidance holes corresponding to a plurality of detection units, and the avoidance holes pass through the bottom wall of the V-shaped support plate.

[0015] In one embodiment, the conveying mechanism includes two support frames, which are respectively arranged at both ends of the driving unit, and the top end of each support frame is connected to the driving unit, and the bottom end of each support frame is connected to the top side surface of the control box.

[0016] In one embodiment, the temperature measuring mechanism includes a plurality of infrared temperature sensors and a second mounting plate, both ends of the second mounting plate are connected to two support frames, and the plurality of infrared temperature sensors are arranged on the second mounting plate corresponding to the plurality of supporting units on the top side of the chain transmission mechanism.

[0017] In one embodiment, the control box includes a first protective cover, which is disposed on the outside of the plurality of infrared temperature sensors and connected to the top surface of the control box.

[0018] In one embodiment, the above-mentioned test device for testing the heat preservation performance of the thermos bottle also includes a lifting mechanism and a horizontal moving mechanism. The lifting mechanism is arranged on the top of the control box, and the horizontal moving mechanism is connected to the output end of the lifting mechanism. The output end of the horizontal moving mechanism is connected to the heating mechanism and the heat dissipation mechanism.

[0019] In one embodiment, the temperature increasing mechanism includes a plurality of heating guns, and the plurality of heating guns are arranged at the output end of the horizontal moving mechanism corresponding to the plurality of infrared temperature sensors.

[0020] In one embodiment, the heat dissipation mechanism includes a plurality of heat dissipation guns, which are arranged at the output end of the horizontal moving mechanism corresponding to the plurality of supporting mechanisms, and the plurality of heat dissipation guns are arranged on one side of the downstream end of the conveying mechanism relative to the plurality of heating guns.

[0021] In one embodiment, the control box further includes a second protective cover, which is disposed on the outside of the heating mechanism and the heat dissipation mechanism and is connected to the top surface of the control box.

[0022] In one embodiment, the above-mentioned heating mechanism further includes a gas collecting box having a plurality of gas collecting holes. When the plurality of heating guns are in the standby position, the gas collecting box is connected to the side of the two support frames facing the heating mechanism corresponding to the plurality of heating guns.

[0023] The test device for testing the thermal insulation performance of a thermos flask heats the thermos flask to a preset temperature through the output end of a heating mechanism, and a temperature measuring mechanism detects the temperature of the outer surface of the bottom of the thermos flask and transmits the detected data to a control box for calculation and judgment. The vacuum degree of the thermos flask interlayer is calculated based on the temperature rise of the thermos flask, and the thermal insulation performance of the thermos flask is indirectly determined. The qualified products that have completed the test are cooled and dissipated by the heat dissipation mechanism, and then discharged by the discharge mechanism. A plurality of supporting units can be driven by a driving unit to circulate and roll along the extension direction of the driving unit to feed the materials. The plurality of supporting units are respectively matched with the heating mechanism, the temperature measuring mechanism, and the heat dissipation mechanism, so that the thermos flask supported by each supporting unit can be accurately aligned with the heating mechanism, the temperature measuring mechanism, and the heat dissipation mechanism, thereby preventing the thermos flask from being misaligned with the heating mechanism, the temperature measuring mechanism, and the heat dissipation mechanism during the test, thereby improving the test effectiveness, operational stability, and accuracy of the test results of the test device for the thermos flask. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 Schematic diagram of the structure of a test device for testing the heat preservation performance of a thermos bottle in one embodiment;

[0025] Figure 2 A schematic diagram of a partially exploded structure of a test device for testing the heat preservation performance of a thermos bottle according to one embodiment;

[0026] Figure 3 A schematic diagram of a partial structure of a test device for testing the heat preservation performance of a thermos bottle according to one embodiment;

[0027] Figure 4 Schematic diagram of the partial structure of a test device for testing the heat preservation performance of a thermos bottle in one embodiment. DETAILED DESCRIPTION

[0028] To make the above-mentioned objects, features, and advantages of the present invention more clearly understood, the following detailed description of specific embodiments of the present invention is provided in conjunction with the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0031] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0032] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0033] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0034] See also Figures 1 to 4The utility model discloses a test device 10 for testing the heat preservation performance of a thermos flask, which comprises a control box 100, a conveying mechanism 200, a heating mechanism 300, a temperature measuring mechanism 400, a heat dissipation mechanism 500 and a feeding mechanism 600, wherein the conveying mechanism 200, the heating mechanism 300, the temperature measuring mechanism 400 and the heat dissipation mechanism 500 are all arranged on the top side surface of the control box 100, the conveying mechanism 200 extends from one end to the other end of the control box 100, and the output end of the conveying mechanism 200 is connected to the input end of the feeding mechanism 600, so that during the heat preservation performance test of the thermos flask, the conveying mechanism 200 is combined with the feeding mechanism 600 to feed the thermos flask; the heating mechanism 300 and the heat dissipation mechanism 500 are arranged on one side of the conveying mechanism 200, and the temperature measuring mechanism 400 is arranged on the other side of the conveying mechanism 200 relative to the heating mechanism 300. In actual testing, the thermos is loaded to the input end of the conveying mechanism 200. At this time, the open end of each thermos is arranged toward the heating mechanism 300, and the bottom end of the thermos is arranged toward the temperature measuring mechanism 400. When a thermos is conveyed to the corresponding test station, the output end of the heating mechanism 300 extends into the interior of the thermos, and the thermos is heated to a preset temperature from the inside of the thermos. At this time, the temperature measuring mechanism 400 detects the temperature of the bottom outer surface of the thermos, and transmits the detection data to the control box 100 for calculation and judgment. The vacuum degree of the thermos interlayer is calculated according to the temperature rise of the thermos, and whether the thermal insulation performance of the thermos is qualified is indirectly judged. The qualified products that have completed the test are cooled and dissipated by the heat dissipation mechanism 500, and then unloaded by the unloading mechanism 600. Specifically, the conveying mechanism 200 includes a driving unit 210, a plurality of supporting units 220 and a plurality of detection units 230. The driving unit 210 extends from one end of the top surface of the control box 100 to the other end, and one end is connected to the input end of the unloading mechanism 600; the plurality of supporting units 220 are arranged in sequence along the extension direction of the driving unit 210 at the driving end of the driving unit 210, so that the plurality of supporting units 220 can perform cyclic rolling feeding along the extension direction of the driving unit 210 under the drive of the driving unit 210; the plurality of detection units 230 are arranged on the bottom side of the plurality of supporting units 220 corresponding to the supporting stations on the top side of the driving unit 210, and each detection unit 230 can detect the supporting unit 220 passing through the detection unit 230 to determine whether the supporting unit 220 supports a thermos bottle, so as to ensure the effectiveness of the conveying mechanism 200 in feeding.Among them, several supporting units 220 correspond to the heating mechanism 300, the temperature measuring mechanism 400 and the heat dissipation mechanism 500 respectively, so that the thermos bottle supported by each supporting unit 220 can be accurately aligned with the heating mechanism 300, the temperature measuring mechanism 400 and the heat dissipation mechanism 500, thereby avoiding the thermos bottle from being misaligned with the heating mechanism 300, the temperature measuring mechanism 400 and the heat dissipation mechanism 500 during the test process, thereby improving the test effectiveness, operation stability and accuracy of the test results of the test device for the thermos bottle.

[0035] Furthermore, the driving unit 210 is configured as a transmission belt, which extends from one end of the top side surface of the control box 100 to the other end, and the top side surface of the transmission belt rolls toward the unloading mechanism 600 and is connected to the input end of the unloading mechanism 600. A number of supporting units 220 are installed on the surface of the transmission belt, so that the supporting units 220 that roll to the top side surface of the transmission belt move toward the unloading mechanism 600, thereby realizing one-way transmission of the thermos toward the unloading mechanism 600. Specifically, the transmission belt includes a progressive motor 211, a transmission chain 212 and a chain transmission mechanism 213. The output end of the progressive motor 211 drives one end of the transmission chain 212, and the other end of the transmission chain 212 drives the chain transmission mechanism 213; a number of supporting units 220 are installed on the chain transmission mechanism 213, so that the progressive motor 211 can drive the number of supporting units 220 to circulate and roll in sequence through the transmission chain 212 and the chain transmission mechanism 213. A number of thermos bottles can be placed one by one or in batches on the number of supporting units 220, so as to realize the directional transportation of thermos bottles.

[0036] Furthermore, the transmission belt also includes a first mounting plate 214, which is disposed on the chain transmission mechanism 213 and faces the plurality of support units 220 on the top side. Specifically, a plurality of detection units 230 are disposed on the top surface of the first mounting plate 214. Furthermore, the plurality of detection units 230 are arranged along the conveying direction of the transmission belt, corresponding to the testing and heat dissipation stations corresponding to the heating mechanism 300 and the heat dissipation mechanism 500, respectively, for position detection and positioning of the plurality of support units 220, thereby ensuring that the thermos to be tested and to be cooled are accurately aligned with the heating mechanism 300 and the heat dissipation mechanism 500, respectively. In one embodiment, the detection unit 230 is configured as a diffuse reflection sensor.

[0037] Furthermore, each supporting unit 220 is configured as a V-shaped support plate, with the open end of the V-shaped support plate facing away from the chain transmission mechanism 213. Thus, when the plurality of V-shaped support plates roll to the top side of the chain transmission mechanism 213, the thermos bottle is placed into the V-shaped support plate by the open end of the V-shaped support plate, thereby achieving stable transmission of the thermos bottle. Specifically, the bottom wall of each V-shaped support plate is provided with avoidance holes a corresponding to the plurality of detection units 230. The avoidance holes a pass through the bottom wall of the V-shaped support plate. Thus, during the rolling and conveying process of the V-shaped support plate, the avoidance holes a can cooperate with the plurality of detection units 230 one by one. The detection units 230 can detect the supporting conditions on the inner side of the V-shaped support plate through the avoidance holes a to determine whether the half-section V-shaped support plate is supporting a thermos bottle.

[0038] Furthermore, the conveying mechanism 200 includes two support frames 240, which are respectively arranged at both ends of the driving unit 210, and the top end of each support frame 240 is connected to the driving unit 210, and the bottom end of each support frame 240 is connected to the top side surface of the control box 100, thereby achieving stable installation of the conveying mechanism 200.

[0039] Furthermore, the temperature measurement mechanism 400 includes a plurality of infrared temperature sensors 410 and a second mounting plate 420. The second mounting plate 420 is connected at both ends to the two support frames 240. The plurality of infrared temperature sensors 410 are arranged on the second mounting plate 420 corresponding to the plurality of support units 220 on the top side of the chain transmission mechanism 213, so that the infrared temperature sensors 410 can monitor the temperature of the outer wall of the thermos bottle supported by the support unit 220. Specifically, the control box 100 includes a first protective cover 110. The first protective cover 110 is provided on the outside of the plurality of infrared temperature sensors 410 and is connected to the top surface of the control box 100 to protect the plurality of infrared temperature sensors 410.

[0040] Furthermore, the test device 10 for testing the heat preservation performance of the thermos bottle also includes a lifting mechanism 700 and a horizontal moving mechanism 800. The lifting mechanism 700 is arranged on the top of the control box 100, and the horizontal moving mechanism 800 is connected to the output end of the lifting mechanism 700. The output end of the horizontal moving mechanism 800 is connected to the heating mechanism 300 and the heat dissipation mechanism 500. Therefore, the lifting mechanism 700 combined with the horizontal moving mechanism 800 can realize the position adjustment and positioning of the heating mechanism 300 and the heat dissipation structure relative to the conveying mechanism 200.

[0041] Furthermore, the heating mechanism 300 includes a plurality of heating guns 310, and the plurality of heating guns 310 are arranged at the output end of the horizontal moving mechanism 800 corresponding to the plurality of infrared temperature sensors 410. Thus, when the plurality of thermos bottles to be tested are delivered to the designated position, the lifting mechanism 700 cooperates with the horizontal moving mechanism 800 to drive the plurality of heating guns 310 into the plurality of thermos bottles to be tested for heating treatment, and the plurality of infrared temperature sensors 410 monitor the temperature of the bottom outer wall of the thermos bottles.

[0042] Furthermore, the heat dissipation mechanism 500 includes a plurality of heat dissipation guns, and a plurality of heat dissipation guns 510 are arranged at the output end of the horizontal moving mechanism 800 corresponding to the plurality of supporting mechanisms, and the plurality of heat dissipation guns 510 are arranged on one side of the downstream end of the conveying mechanism 200 relative to the plurality of heating guns 310. Thus, after the temperature measurement of the plurality of thermos bottles is completed, they are then conveyed and cooperated with the plurality of heat dissipation guns 510, and then cooled by the heat dissipation guns 510.

[0043] Furthermore, the control box 100 also includes a second protective cover 120, which is arranged on the outside of the heating mechanism 300 and the heat dissipation mechanism 500 and is connected to the top surface of the control box 100 to protect the plurality of heating guns 310 and the plurality of heat dissipation guns 510.

[0044] Furthermore, the heating mechanism 300 further includes an air collecting box 320 having a plurality of air collecting holes b. When the plurality of heating guns 310 are in the standby position, the air collecting box 320 is connected to the side of the two support frames 240 facing the heating mechanism 300, corresponding to the plurality of heating guns 310. In actual use, when the plurality of heating guns 310 are in the standby position, the hot air flow output by the heating guns 310 can be collected into the air collecting box 320 through the plurality of air collecting holes b, thereby reducing the impact of this hot air flow on the external ambient temperature.

[0045] In summary, the test device for testing the thermal insulation performance of a thermos bottle disclosed in the present invention heats the thermos bottle to a preset temperature through the output end of the heating mechanism, the temperature measuring mechanism detects the temperature of the outer surface of the bottom of the thermos bottle, and transmits the detection data to the control box for calculation and judgment, calculates the vacuum degree of the thermos bottle interlayer according to the temperature rise of the thermos bottle, and indirectly determines whether the thermal insulation performance of the thermos bottle is qualified; the qualified products that have completed the test are cooled and dissipated by the heat dissipation mechanism, and then the unloading mechanism completes the unloading. A plurality of supporting units can be driven by the driving unit to circulate and roll along the extension direction of the driving unit to feed the materials; the plurality of supporting units are respectively matched with the heating mechanism, the temperature measuring mechanism and the heat dissipation mechanism, so that the thermos bottle supported by each supporting unit can be accurately aligned with the heating mechanism, the temperature measuring mechanism and the heat dissipation mechanism, thereby avoiding the thermos bottle from being misaligned with the heating mechanism, the temperature measuring mechanism and the heat dissipation mechanism during the test, thereby improving the test effectiveness, operation stability and test result accuracy of the test device for the thermos bottle.

[0046] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0047] The above-described embodiments merely represent several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be determined by the appended claims.

Claims

1. A test device for testing the heat preservation performance of a thermos bottle, characterized in that: include: A control box, a conveying mechanism, a heating mechanism, a temperature measuring mechanism, a heat dissipation mechanism, and a material discharge mechanism, wherein the conveying mechanism, the heating mechanism, the temperature measuring mechanism, and the heat dissipation mechanism are all arranged on the top surface of the control box, the conveying mechanism extends from one end to the other end of the control box, and the output end of the conveying mechanism is connected to the input end of the material discharge mechanism; the heating mechanism and the heat dissipation mechanism are arranged on one side of the conveying mechanism, and the temperature measuring mechanism is arranged on the other side of the conveying mechanism relative to the heating mechanism; The conveying mechanism includes a driving unit, a plurality of supporting units and a plurality of detection units. The driving unit extends from one end of the top surface of the control box to the other end, and one end is connected to the input end of the unloading mechanism; the plurality of supporting units are arranged in sequence along the extension direction of the driving unit and are arranged at the driving end of the driving unit; the plurality of detection units are arranged at the bottom side of the plurality of supporting units corresponding to the supporting stations on the top side of the driving unit; The plurality of supporting units respectively cooperate with the heating mechanism, the temperature measuring mechanism and the heat dissipation mechanism.

2. The test device for testing the heat preservation performance of a thermos bottle according to claim 1, characterized in that: The driving unit is configured as a transmission belt, which extends from one end of the top surface of the control box to the other end, and the top surface of the transmission belt rolls toward the unloading mechanism and is connected to the input end of the unloading mechanism, and several supporting units are installed on the surface of the transmission belt.

3. The test device for testing the heat preservation performance of a thermos bottle according to claim 2, characterized in that: The transmission belt includes a progressive motor, a transmission chain and a chain transmission mechanism. The output end of the progressive motor is driven to connect one end of the transmission chain, and the other end of the transmission chain is driven to connect the chain transmission mechanism. Several of the supporting units are installed on the chain transmission mechanism.

4. The test device for testing the heat preservation performance of a thermos bottle according to claim 3, characterized in that: The transmission belt further comprises a first mounting plate, which is arranged on the chain transmission mechanism and faces the plurality of supporting units on the top side.

5. The test device for testing the heat preservation performance of a thermos bottle according to claim 4, characterized in that: The plurality of detection units are arranged on the top surface of the first mounting plate, and the plurality of detection units are arranged along the conveying direction of the transmission belt corresponding to the testing and heat dissipation stations corresponding to the heating mechanism and the heat dissipation mechanism.

6. The test device for testing the heat preservation performance of a thermos bottle according to claim 5, characterized in that: Each of the supporting units is configured as a V-shaped supporting plate, and the open end of the V-shaped supporting plate is configured to face away from the chain transmission mechanism.

7. The test device for testing the heat preservation performance of a thermos bottle according to claim 6, characterized in that: The bottom wall of each V-shaped supporting plate is provided with avoidance holes corresponding to a plurality of the detection units, and the avoidance holes pass through the bottom wall of the V-shaped supporting plate.

8. The test device for testing the heat preservation performance of a thermos bottle according to claim 7, characterized in that: The conveying mechanism includes two support frames, which are respectively arranged at both ends of the driving unit, and the top end of each support frame is connected to the driving unit, and the bottom end of each support frame is connected to the top side surface of the control box.

9. The test device for testing the heat preservation performance of a thermos bottle according to claim 8, characterized in that: The temperature measuring mechanism includes a plurality of infrared temperature sensors and a second mounting plate. Both ends of the second mounting plate are connected to the two support frames. The plurality of infrared temperature sensors are arranged on the second mounting plate corresponding to the plurality of supporting units on the top side of the chain transmission mechanism.

10. The test device for testing the heat preservation performance of a thermos bottle according to claim 9, characterized in that: The test device for testing the heat preservation performance of the thermos bottle also includes a lifting mechanism and a horizontal moving mechanism. The lifting mechanism is arranged on the top of the control box, and the horizontal moving mechanism is connected to the output end of the lifting mechanism. The output end of the horizontal moving mechanism is connected to the heating mechanism and the heat dissipation mechanism.

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