Thermos performance detection device and method

Abstract

The present disclosure provides a thermos performance detection device and method, which comprises a constant-temperature water tank, a transmission mechanism, a grabbing mechanism, a noise collection mechanism, a defective product sorting mechanism, a qualified product output mechanism and a control mechanism. The control mechanism is used for pre-storing a noise feature database. The control mechanism compares the noise collected by the noise collection mechanism with the feature data in the noise feature database, determines whether the thermos performance is good, and sends a control instruction according to the determination result to control the grabbing mechanism to put the thermos into the defective product sorting mechanism or the qualified product output mechanism. The thermos performance detection device and method provided by the present disclosure do not need artificial observation and identification, reduce the labor intensity, improve the detection accuracy, realize the full-automatic function of conveying, detecting, determining and sorting the thermos to be detected, improve the detection efficiency, can be connected to other assembly lines, make the device can be used in any stage of thermos production, and improve the flexibility of the device.

Description

Technical Field

[0001] This disclosure relates to the field of performance testing technology for heat preservation devices, and in particular to a device and method for testing the heat preservation performance of thermos cups. Background Technology

[0002] Metal insulated cups achieve their heat retention purpose by creating a vacuum layer between the outer shell and the inner liner. The insulation performance depends on the airtightness of this layer. If the cup is well-sealed, the vacuum layer effectively insulates the heat, resulting in good insulation. Conversely, if the seal is poor, with pores or cracks, air will remain in the layer, leading to poor insulation.

[0003] During the production of thermos cups, the insulation performance typically requires at least three tests. Currently, this testing is generally done manually by workers. A heat source is inserted through the cup's opening to heat the internal space. After a period of time, the temperature of the outer surface of the cup is judged by touching it. If the temperature is not much different from the ambient temperature, the thermos cup has good insulation performance; if the temperature is too high, the thermos cup has poor insulation performance. This method of screening for substandard products relies on subjective human perception, which is often inaccurate, prone to errors, and involves significant manpower and energy consumption. Summary of the Invention

[0004] The purpose of this disclosure is to provide a device and method for testing the heat preservation performance of thermos cups, which can solve one or more of the above-mentioned problems in the prior art.

[0005] According to one aspect of this disclosure, a device for testing the heat preservation performance of a thermos cup is provided, comprising: a constant temperature water bath, a transmission mechanism, a gripping mechanism, a noise acquisition mechanism, a defective product sorting mechanism, a qualified product output mechanism, and a control mechanism. The constant temperature water bath provides a liquid testing environment with a constant temperature for testing the heat preservation performance of the thermos cup; the transmission mechanism transports the thermos cup to be tested; the gripping mechanism grips the thermos cup to be tested from the transmission mechanism and places it in the constant temperature water bath, and, according to the instructions of the control mechanism, places the tested thermos cup into the defective product sorting mechanism or the qualified product output mechanism; the noise acquisition mechanism is disposed on the gripping mechanism and... Electrically connected to the control mechanism, the noise acquisition mechanism collects the noise generated when the thermos cup is placed in a constant temperature water bath and sends it to the control mechanism. The control mechanism stores a noise characteristic database in advance, which contains characteristic data of the noise generated in a constant temperature liquid when the thermos cup has a sealing defect. The control mechanism compares the noise collected by the noise acquisition mechanism with the characteristic data in the noise characteristic database to determine whether the thermos cup has good heat preservation performance, and issues a control command based on the determination result to control the gripping mechanism to put the thermos cup into the defective product sorting mechanism or the qualified product output mechanism.

[0006] In some embodiments, the constant temperature water bath includes a bath body, a heating device, a temperature sensor, a relay, and a temperature controller. The heating device is disposed on the bottom surface inside the bath body; the temperature sensor is disposed on the side wall inside the bath body; the heating device is electrically connected to the temperature controller via a relay; and the temperature sensor is electrically connected to the temperature controller.

[0007] In some embodiments, the constant temperature water bath also includes a temperature display, which is disposed on the outer side wall of the bath and electrically connected to the temperature controller to display the liquid temperature collected by the temperature sensor.

[0008] In some embodiments, the constant temperature water bath also includes a soundproof cover, which is disposed above the bath body. The soundproof cover has several through holes for the gripping mechanism and the thermos cup to pass through. The number of through holes is the same as the number of gripping mechanisms.

[0009] In some implementations, the transmission mechanism is a conveyor belt.

[0010] In some embodiments, the gripping mechanism is a five-degree-of-freedom robotic arm, which is arranged from bottom to top as follows: base, base rotation joint, column, forearm pitch joint, forearm, lower arm pitch joint, lower arm, wrist rotation joint, wrist pitch joint and gripper, and the noise collection mechanism is fixed on the side of the lower arm near the wrist rotation joint.

[0011] In some implementations, the noise acquisition mechanism is a microphone.

[0012] In some implementations, the defective product sorting mechanism is a sorting box.

[0013] In some implementations, the qualified product output mechanism is a conveyor belt.

[0014] According to another aspect of this disclosure, a method for testing the heat preservation performance of a thermos cup is provided, applicable to any of the above product claims, comprising the following steps:

[0015] A noise feature database is pre-stored, which contains feature data of noise generated in a liquid at a constant temperature when there is a sealing defect in the thermos cup body;

[0016] The transmission mechanism transports the thermos cup to be inspected to the grasping range of the grasping mechanism;

[0017] The gripping mechanism grabs the thermos cup to be tested and places it into a constant temperature water bath with the cup opening facing upwards. For a predetermined period of time, the thermos cup is kept completely submerged in the liquid.

[0018] The noise acquisition mechanism collects noise below the liquid surface;

[0019] The control mechanism compares the collected noise with the feature data in the noise feature database. If the collected noise matches the feature data, it is determined that the thermos cup has a sealing defect. If the collected noise does not match the feature data, it is determined that the thermos cup has good heat preservation performance.

[0020] The control mechanism sends instructions to the gripping mechanism based on the results of the thermos cup's heat preservation performance assessment.

[0021] The gripping mechanism removes the thermos cup from the constant temperature water bath with the cup opening facing downwards, and places the thermos cup into the defective product sorting mechanism or the qualified product output mechanism according to the instructions of the control mechanism.

[0022] The thermos cup insulation performance testing device and method disclosed herein determine the insulation performance of the thermos cup by comparing the noise during testing with data in a preset noise characteristic database. This eliminates the need for manual observation and identification, reducing labor intensity, removing the influence of subjective human factors on the test results, and improving testing accuracy. The device comprises a transmission mechanism, a constant temperature water bath, a gripping mechanism, a defective product sorting mechanism, a qualified product output mechanism, and a control mechanism, forming a complete automatic thermos cup insulation performance testing device. This achieves fully automated functions for conveying, testing, judging, and sorting the thermos cups to be tested, improving testing efficiency. The transmission mechanism and qualified product output mechanism can be connected to other production lines, allowing the device to be used at any stage of thermos cup production, thus increasing its flexibility.

[0023] Furthermore, unless otherwise specified in this disclosure, all technical solutions can be implemented using conventional methods in the field. Attached Figure Description

[0024] To more clearly illustrate the technical solutions of the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a schematic diagram of the structure of a thermos cup insulation performance testing device provided in an embodiment of this disclosure.

[0026] Figure 2 This is a top view of a thermos cup insulation performance testing device provided in an embodiment of this disclosure.

[0027] Figure 3 This is a schematic diagram of the constant temperature water bath in a thermos cup insulation performance testing device provided in an embodiment of this disclosure.

[0028] Figure 4This is a schematic diagram of the electrical connection structure of the constant temperature water bath in a thermos cup insulation performance testing device provided in an embodiment of this disclosure.

[0029] Figure 5 This is a schematic diagram of the gripping mechanism in a thermos cup insulation performance testing device provided in an embodiment of the present disclosure.

[0030] Figure 6 A flowchart of a method for testing the heat preservation performance of a thermos cup, provided in another embodiment of this disclosure. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of the embodiments of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this disclosure, and not all embodiments. Based on the embodiments of this disclosure, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this disclosure.

[0032] Example 1:

[0033] In this embodiment, please refer to the appendix to the specification. Figure 1-5 A device for testing the heat preservation performance of a thermos cup is provided, comprising a constant temperature water bath 1, a transmission mechanism 2, a gripping mechanism 3, a noise collection mechanism 4, a defective product sorting mechanism 5, a qualified product output mechanism 6, and a control mechanism.

[0034] In this embodiment, four gripping mechanisms 3 are provided, and the four gripping mechanisms 3 are arranged side by side on one side of the constant temperature water tank 1. A defective product sorting mechanism 5 is provided on the other side of the constant temperature water tank 1.

[0035] The constant temperature water bath 1 is used to provide a constant temperature liquid testing environment for testing the heat preservation performance of thermos cups. In an optional embodiment, the constant temperature water bath 1 is filled with hot water at a certain temperature. Specifically, the temperature of the hot water in the constant temperature water bath 1 can be 80 degrees Celsius.

[0036] A transmission mechanism 2 is provided on the other side of the gripping mechanism 3. The transmission mechanism 2 is used to transport the thermos cups to be inspected, so that the thermos cups to be inspected are within the gripping range of the gripping mechanism 3. The gripping mechanism 3 is arranged side by side with the transmission mechanism 2. The gripping mechanism 3 is used to grip the thermos cups to be inspected on the transmission mechanism 2 and place them in the constant temperature water tank 1. According to the instructions of the control mechanism, the inspected thermos cups are placed into the defective product sorting mechanism 5 or the qualified product output mechanism 6.

[0037] The qualified product output mechanism 6 can be located on the side of the transmission mechanism 2 away from the gripping mechanism 3.

[0038] The noise acquisition mechanism 4 is installed on the gripping mechanism 3 and electrically connected to the control mechanism. The noise acquisition mechanism 4 is used to collect the noise generated when the thermos cup is placed in the constant temperature water bath 1 and send it to the control mechanism.

[0039] The control mechanism (not shown in the figure) is used to pre-store the noise feature database, which contains the feature data of the noise generated in a liquid at a constant temperature when there is a sealing defect in the thermos cup body. The control mechanism compares the noise collected by the noise acquisition mechanism 4 with the feature data in the noise feature database to determine whether the thermos cup has good heat preservation performance, and issues a control command based on the determination result to control the gripping mechanism 3 to put the thermos cup into the defective product sorting mechanism 5 or the qualified product output mechanism 6.

[0040] When a thermos cup is placed in hot water, if it has defects such as pores or cracks that affect its heat retention performance, the air inside the insulation layer will escape from the pores or cracks due to heat, generating a distinctive noise. Therefore, by collecting and analyzing this type of noise beforehand and establishing a noise characteristic database, the heat retention performance of the thermos cup can be judged during testing without human observation, reducing labor intensity, eliminating the influence of subjective human factors on the test results, and improving testing accuracy. A complete automatic thermos cup heat retention performance testing device is formed by setting up a transmission mechanism, a constant temperature water bath, a gripping mechanism, a defective product sorting mechanism, a qualified product output mechanism, and a control mechanism. This achieves fully automatic functions for conveying, testing, judging, and sorting the thermos cups to be tested, improving testing efficiency. The transmission mechanism and the qualified product output mechanism can be connected to other production lines, allowing the device to be used at any stage of thermos cup production, increasing the flexibility of the device.

[0041] In an optional embodiment, the constant temperature water bath 1 may include a bath body 11, a heating device 12, a temperature sensor 13, a relay 15, and a temperature controller 16. The bath body 11 may be made of thermal insulation material. The heating device 12 is disposed on the bottom surface inside the bath body 11 for heating the water in the constant temperature water bath 1. The temperature sensor 13 is disposed on the inner side wall of the bath body 11 for collecting the temperature of the water in the constant temperature water bath 1. The heating device 12 is electrically connected to the temperature controller 16 through the relay 15. The temperature controller 16 controls the on / off state of the heating device 12 by controlling the relay 15 according to the current water temperature. The temperature sensor 13 is electrically connected to the temperature controller 16 and is used to send the collected water temperature to the temperature controller.

[0042] Therefore, the constant temperature water bath 1 can control the water temperature. The temperature controller 16 receives the water temperature information. When the water temperature is higher than the preset value, the temperature controller 16 disconnects the heating device and the constant temperature water bath 1 stops heating. When the water temperature is lower than the preset value, the temperature controller connects the heating device and the constant temperature water bath 1 starts heating.

[0043] In an optional embodiment, the constant temperature water bath 1 may further include a temperature display 14, which is disposed on the outer side wall of the bath body 11 and is electrically connected to the temperature controller 16 for displaying the liquid temperature collected by the temperature sensor 13 in real time.

[0044] In an optional embodiment, the constant temperature water tank 1 also includes a soundproof cover, which is disposed above the tank body 11. The soundproof cover is provided with several through holes, the size of which is large enough for the gripping mechanism 3 to hold the thermos cup through. The number of through holes is the same as the number of gripping mechanisms 3.

[0045] Therefore, the soundproof enclosure can effectively block environmental noise from affecting the test results, further improving the accuracy of the test results.

[0046] In an optional embodiment, the conveyor mechanism 2 may be an intermittent conveyor belt. The conveyor mechanism 2 may be connected to a thermos cup production line.

[0047] In an optional embodiment, the gripping mechanism 3 is a five-degree-of-freedom robotic arm, which is arranged from bottom to top as follows: base 31, base rotation joint 36, column 32, forearm pitch joint 37, forearm 33, lower arm pitch joint 38, lower arm 34, wrist rotation joint 39, wrist pitch joint 40 and gripper 35. The noise collection mechanism 4 is fixed on the side of the lower arm 34 near the wrist rotation joint 39.

[0048] In an optional embodiment, the noise acquisition mechanism 4 is a microphone.

[0049] In an optional embodiment, the defective product sorting mechanism 5 is a sorting box. This facilitates the storage and movement of defective thermos cups.

[0050] In an optional embodiment, the qualified product output mechanism 6 is a conveyor belt. Thus, the qualified product output mechanism 6 can be connected to the next production line, facilitating the transfer of qualified thermos cups.

[0051] Example 2:

[0052] In this embodiment, a method for testing the heat preservation performance of a thermos cup is provided, applicable to any of the thermos cup heat preservation performance testing devices in the above product embodiments, comprising the following steps:

[0053] Step 1: Pre-store a noise feature database containing feature data of noise generated in a liquid at a constant temperature when the thermos cup has a sealing defect.

[0054] Step 2: The conveying mechanism transports the thermos cup to be inspected to the grasping range of the grasping mechanism;

[0055] Step 3: The gripping mechanism grips the thermos cup to be tested and places it into the constant temperature water bath with the cup opening facing upwards. For a predetermined time, the thermos cup is kept completely submerged in the liquid.

[0056] Step 4: The noise acquisition mechanism collects the noise below the liquid surface;

[0057] Step 5: The control mechanism compares the collected noise with the feature data in the noise feature database. If the collected noise matches the feature data, it is determined that the thermos cup has a sealing defect. If the collected noise does not match the feature data, it is determined that the thermos cup has good heat preservation performance.

[0058] Step 6: The control mechanism sends a command to the gripping mechanism based on the thermos cup's insulation performance assessment result;

[0059] Step 7: The gripping mechanism removes the thermos cup from the constant temperature water bath with the cup opening facing downwards, and places the thermos cup into the defective product sorting mechanism or the qualified product output mechanism according to the instructions of the control mechanism.

[0060] In an optional embodiment, in step 3, the gripping mechanism grips the thermos cup to be tested and places it into the constant temperature water bath with the cup opening facing upward. This can be done by placing the thermos cup into the constant temperature water bath with the opening facing upward and tilted at an angle of 10 degrees, or by placing the thermos cup into the constant temperature water bath with the opening facing vertically upward.

[0061] Specifically, in step 3, the predetermined duration can be 3 seconds.

[0062] In an optional embodiment, in step 7, the gripping mechanism can remove the thermos cup from the constant temperature water bath with the cup opening facing downwards. This can be done by removing the thermos cup with the opening facing downwards and tilted at an angle of 10 degrees, or by removing the thermos cup with the opening facing vertically downwards.

[0063] The method for testing the heat preservation performance of thermos cups disclosed herein, by collecting and analyzing such noise in advance and establishing a noise characteristic database, can determine the heat preservation performance of thermos cups during testing without the need for manual observation and identification, reducing labor intensity, eliminating the influence of subjective human factors on the test results, and improving test accuracy. Through the setup of a transmission mechanism, a constant temperature water bath, a gripping mechanism, a defective product sorting mechanism, a qualified product output mechanism, and a control mechanism, a complete automatic testing device for the heat preservation performance of thermos cups is formed, realizing fully automatic functions of conveying, testing, judging, and sorting the thermos cups to be tested, improving testing efficiency. The transmission mechanism and the qualified product output mechanism can be connected to other production lines, allowing the device to be used at any stage of thermos cup production, increasing the flexibility of the device.

[0064] The above description is only an optional embodiment of this disclosure. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principles of this disclosure, and these improvements and modifications should also be considered within the scope of protection of this disclosure.

Claims

1. A device for testing the heat preservation performance of a thermos cup, characterized in that, include: The system includes a constant temperature water bath (1), a transmission mechanism (2), a gripping mechanism (3), a noise collection mechanism (4), a defective product sorting mechanism (5), a qualified product output mechanism (6), and a control mechanism. The constant temperature water bath (1) is used to provide a constant temperature liquid testing environment for testing the heat preservation performance of thermos cups; The transmission mechanism (2) is used to transport the thermos cup to be tested; The gripping mechanism (3) is used to grip the thermos cup to be tested on the transmission mechanism (2) and place it in the constant temperature water tank (1), and put the tested thermos cup into the defective product sorting mechanism (5) or the qualified product output mechanism (6) according to the instructions of the control mechanism. The noise acquisition mechanism (4) is mounted on the gripping mechanism (3) and electrically connected to the control mechanism. The noise acquisition mechanism (4) is used to collect the noise generated when the thermos cup is placed in the constant temperature water bath (1) and send it to the control mechanism. The control mechanism is used to pre-store a noise feature database, which contains feature data of noise generated in a liquid at a constant temperature when the thermos cup body has a sealing defect. The control mechanism compares the noise collected by the noise acquisition mechanism (4) with the feature data in the noise feature database to determine whether the thermos cup has good heat preservation performance, and issues a control command based on the determination result to control the gripping mechanism (3) to put the thermos cup into the defective product sorting mechanism (5) or the qualified product output mechanism (6).

2. The thermos cup insulation performance testing device according to claim 1, characterized in that, The constant temperature water bath (1) includes a bath body (11), a heating device (12), a temperature sensor (13), a relay (15), and a temperature controller (16). The heating device (12) is disposed on the bottom surface inside the tank (11); The temperature sensor (13) is disposed on the inner side wall of the tank (11); The heating device (12) is electrically connected to the temperature controller (16) via the relay (15); The temperature sensor (13) is electrically connected to the temperature controller (16).

3. The thermos cup insulation performance testing device according to claim 2, characterized in that, The constant temperature water bath (1) also includes a temperature display (14), which is disposed on the outer side wall of the bath body (11). The temperature display (14) is electrically connected to the temperature controller (16) and is used to display the liquid temperature collected by the temperature sensor (13).

4. The thermos cup insulation performance testing device according to claim 2, characterized in that, The constant temperature water tank (1) also includes a soundproof cover, which is located above the tank body (11). The soundproof cover has several through holes, which allow the gripping mechanism (3) and the thermos cup to pass through. The number of through holes is the same as the number of gripping mechanisms (3).

5. The thermos cup insulation performance testing device according to claim 1, characterized in that, The transmission mechanism (2) is a conveyor belt.

6. The thermos cup insulation performance testing device according to claim 1, characterized in that, The gripping mechanism (3) is a five-degree-of-freedom robotic arm, and is arranged from bottom to top as follows: The base (31), base rotation joint (36), column (32), forearm pitch joint (37), forearm (33), forearm pitch joint (38), forearm (34), wrist rotation joint (39), wrist pitch joint (40), and gripper (35) The noise acquisition mechanism (4) is fixed to the lower arm (34) on the side near the wrist rotation joint (39).

7. The thermos cup insulation performance testing device according to claim 1, characterized in that, The noise acquisition mechanism (4) is a microphone.

8. The thermos cup insulation performance testing device according to claim 1, characterized in that, The defective product sorting mechanism (5) is a sorting box.

9. The thermos cup insulation performance testing device according to claim 1, characterized in that, The qualified product output mechanism (6) is a conveyor belt.

10. A method for testing the heat preservation performance of a thermos cup, characterized in that, The device for testing the heat preservation performance of a thermos cup according to any one of claims 1-9 includes the following steps: A noise feature database is pre-stored, which contains feature data of noise generated in a liquid at a constant temperature when the thermos cup body has a sealing defect; The transmission mechanism transports the thermos cup to be inspected to the grasping range of the grasping mechanism; The gripping mechanism grabs the thermos cup to be tested and places it into a constant temperature water bath with the cup opening facing upwards. For a predetermined period of time, the thermos cup is kept completely submerged in the liquid. The noise acquisition mechanism collects noise below the liquid surface; The control mechanism compares the collected noise with the feature data in the noise feature database. If the collected noise matches the feature data, it is determined that the thermos cup has a sealing defect. If the collected noise does not match the feature data, it is determined that the thermos cup has good heat preservation performance. The control mechanism sends instructions to the gripping mechanism based on the results of the thermos cup's heat preservation performance assessment. The gripping mechanism removes the thermos cup from the constant temperature water bath with the cup opening facing downwards, and places the thermos cup into the defective product sorting mechanism or the qualified product output mechanism according to the instructions of the control mechanism.

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