Thermistor detection device

By designing the thermistor detection device with conveyor belt and cylinder, the problem of inability to detect thermistor resistance value and probe installation in the prior art is solved, and the accurate detection of thermistor resistance value and the effectiveness of probe installation are realized. , prevent the resistance from falling off.

CN222279955UActive Publication Date: 2024-12-31HEFEI HANYI ELECTRONICS CO LTD
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Patent Information

Application Number
CN202323140231.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-11-21
Publication Date
2024-12-31
Estimated Expiration
2033-11-21

AI Technical Summary

Technical Problem

The existing thermistor detection device cannot effectively detect the resistance value of the thermistor, and the thermal probe may not be installed intact during the production process, and it is easy to fall off after collision, and lacks a detection mechanism.

Method used

A thermistor detection device including a first support frame, a second support frame and a second support plate is designed, and the thermistor is driven into the landing cylinder through the first conveyor belt and the second conveyor belt, causing an impact to detect the probe installation situation. And use the cylinder to adjust the position of the meter probe to detect the resistance value.

Benefits of technology

Accurate detection of the thermistor resistance value is achieved to ensure that the probe is installed with the right speed and to prevent the thermistor from falling off during the detection process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a thermistor detection device, which relates to the related field of thermistor production and comprises a second supporting plate, the upper ends of two groups of second supporting frames are fixedly connected with a fixing ring, the middle part of the fixing ring is fixedly connected with a falling cylinder, and the upper ends of the two groups of second supporting frames are fixedly connected with third supporting frames. According to the utility model, the first conveyor belt drives the thermistor to the middle part of the falling cylinder, the falling cylinder is inclined downwards, the thermistor falls on the surface of the second conveyor belt along the falling cylinder, and when the thermistor falls on the surface of the second conveyor belt, the thermistor is impacted, so that whether the thermosensitive probe is installed in a qualified manner is detected; the second conveying belt drives the thermistor at the lower end of the falling cylinder to move, the thermistor moves to the second air cylinder along with the second conveying belt to be lowered, the positions of the ammeter probes are adjusted through the first air cylinder and the second air cylinder, the two ammeter probes touch the thermosensitive probe, and therefore the resistance value of the thermistor is detected, and whether the thermistor is qualified or not is judged.
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Description

Technical Field

[0001] The utility model relates to the field related to thermistor production, in particular to a thermistor detection device. Background Art

[0002] A thermistor is a sensor resistor whose resistance value changes with temperature. It is divided into positive temperature coefficient thermistors and negative temperature coefficient thermistors according to different temperature coefficients. The resistance value of a positive temperature coefficient thermistor increases with increasing temperature, while the resistance value of a negative temperature coefficient thermistor decreases with increasing temperature. They are both semiconductor devices.

[0003] The existing thermistor detection device does not detect the resistance of the thermistor, and the thermistor probe of the newly produced thermistor may not be installed properly and may fall off after being hit. It is necessary to detect whether the thermistor probe is installed properly. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a thermistor detection device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a thermistor detection device, including a first support frame, a second support frame and a second support plate, the upper ends of two groups of the second support frames are fixedly connected to a fixing ring, the middle part of the fixing ring is fixedly connected to a landing cylinder, the upper ends of the two groups of the second support frames are fixedly connected to a third support frame, the upper ends of the two groups of the third support frames and the upper ends of the two groups of the first support frames are fixedly connected to a fixing plate, both ends of the fixing plate are rotatably connected to a first rotating shaft, the middle part of the first rotating shaft is fixedly connected to a first roller, the two groups of first rollers are connected through a first conveyor belt, both ends of the two groups of the second support plates are rotatably connected to a control panel, the middle part of the two groups of the control panels are fixedly connected to a second roller, and the two groups of the second rollers are connected through a second conveyor belt.

[0006] As a further description of the above technical solution:

[0007] The two groups of second support plates are fixedly connected to the fourth support frame on one side away from the second support frame, the upper end of the fourth support frame is fixedly connected to the first cylinder, the output end of the first cylinder is fixedly connected to the fixing seat, the middle part of the fixing seat is fixedly connected to the second cylinder, and the output end of the second cylinder is fixedly connected to the electric meter probe, and the position of the electric meter probe can be adjusted by the first cylinder and the second cylinder so that the electric meter probe can accurately touch the thermistor probe.

[0008] As a further description of the above technical solution:

[0009] One end of a group of first rotating shafts close to the first supporting frame is fixedly connected to the first driven synchronous wheel, and one end of a group of second rotating shafts close to the second supporting frame is fixedly connected to the second driven synchronous wheel.

[0010] As a further description of the above technical solution:

[0011] A first support plate is connected to the middle part of the two groups of the first support frames, a mounting seat is fixedly connected to the upper surface of the first support plate, an intermittent gear box is fixedly connected to the output end of the mounting seat, the intermittent gear box is fixedly connected to the upper surface of the first support plate, and two groups of active synchronous wheels are fixedly connected to the output end of the intermittent gear box, one group of the active synchronous wheels is connected to the first driven synchronous wheel through a synchronous belt, and one group of the active synchronous wheels is connected to the second driven synchronous wheel through a synchronous belt. The reduction motor drives the first rotating shaft and the first roller intermittently through the transmission of the intermittent gear box, so that the first conveyor belt moves intermittently, and the second rotating shaft and the second roller are driven to rotate intermittently through the active synchronous wheel, the synchronous belt and the second driven synchronous wheel, so that the second conveyor belt moves intermittently, so that the meter probe has enough time to measure the thermistor.

[0012] As a further description of the above technical solution:

[0013] A control panel is fixedly connected to the middle of one side of a group of the second support plates, and the control panel is electrically connected to the reduction motor, the first cylinder, and the ammeter probe. An ohmmeter is fixedly connected to one end of the control panel, and the ohmmeter and the ammeter probe are electrically connected. The resistance value of the thermistor can be detected through the ohmmeter.

[0014] As a further description of the above technical solution:

[0015] The upper parts of one end of the two groups of the second support plates close to the second support frame are fixedly connected with baffles, and the baffles can block both sides of the second conveyor belt to prevent the thermistor from falling off the first roller.

[0016] The utility model has the following beneficial effects:

[0017] In the utility model, firstly, the first conveyor belt brings the thermistor to the middle of the drop cylinder, the drop cylinder is tilted downward, and the thermistor falls along the drop cylinder to the surface of the second conveyor belt. When the thermistor falls to the surface of the second conveyor belt, an impact will be generated, thereby detecting whether the thermistor probe is installed properly. The thermistor at the lower end of the drop cylinder is driven to move by the second conveyor belt, so that the thermistor moves with the second conveyor belt to the second cylinder and is lowered. The position of the ammeter probe is adjusted by the first cylinder and the second cylinder, so that the two groups of ammeter probes touch the thermistor probe, thereby detecting the resistance value of the thermistor and judging whether it is qualified. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional diagram of the utility model;

[0019] Figure 2 This is a three-dimensional structural diagram of the first conveyor belt of the utility model;

[0020] Figure 3 It is a cross-sectional three-dimensional structural diagram of the landing tube of the utility model.

[0021] Legend:

[0022] 1. First support frame; 2. First support plate; 3. Intermittent gear box; 4. Fixed plate; 5. Second support frame; 6. Second support plate; 7. Third support frame; 8. Drop tube; 9. Control panel; 10. Fourth support frame; 11. Baffle; 12. Mounting seat; 13. Speed ​​reduction motor; 14. Active synchronous wheel; 15. First rotating shaft; 16. First roller; 17. First conveyor belt; 18. First driven synchronous wheel; 19. Second rotating shaft; 20. Second roller; 21. Second driven synchronous wheel; 22. First cylinder; 23. Fixed seat; 24. Second cylinder; 25. Electric meter probe; 26. Second conveyor belt. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does 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 cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] Reference Figure 1-3 , an embodiment of the utility model is provided: a thermistor detection device, comprising a first support frame 1, a second support frame 5 and a second support plate 6, the upper ends of the two groups of second support frames 5 are fixedly connected to the fixing ring, the middle of the fixing ring is fixedly connected to the drop cylinder 8, the upper ends of the two groups of second support frames 5 are fixedly connected to the third support frame 7, the upper ends of the two groups of third support frames 7 and the upper ends of the two groups of first support frames 1 are fixedly connected to the fixing plate 4, both ends of the fixing plate 4 are rotatably connected to the first rotating shaft 15, the middle of the first rotating shaft 15 is fixedly connected to the first roller 16, the two groups of first rollers 16 are connected through the first conveyor belt 17, the two ends of the two groups of second support plates 6 are rotatably connected to the control panel 9, the middle of the two groups of control panels 9 are fixedly connected to the second roller 20, the two groups of second rollers 20 are connected through the second conveyor belt 26, and the two groups of The second support plate 6 is fixedly connected to the fourth support frame 10 on one side away from the second support frame 5, and the upper end of the fourth support frame 10 is fixedly connected to the first cylinder 22, the output end of the first cylinder 22 is fixedly connected to the fixing seat 23, the middle part of the fixing seat 23 is fixedly connected to the second cylinder 24, and the output end of the second cylinder 24 is fixedly connected to the meter probe 25. The position of the meter probe 25 can be adjusted by the first cylinder 22 and the second cylinder 24, so that the meter probe 25 can accurately touch the thermistor. A control panel 9 is fixedly connected to the middle part of one side of a group of second support plates 6, and the control panel 9 is electrically connected to the reduction motor 13, the first cylinder 22, and the meter probe 25. One end of the control panel 9 is fixedly connected to an ohmmeter, and the ohmmeter and the meter probe 25 are electrically connected. The resistance value of the thermistor can be detected by the ohmmeter.

[0026] A first driven synchronous wheel 18 is fixedly connected to one end of a group of first rotating shafts 15 near the first supporting frame 1, and a second driven synchronous wheel 21 is fixedly connected to one end of a group of second rotating shafts 19 near the second supporting frame 5. A first supporting plate 2 is connected to the middle of the two groups of first supporting frames 1, and a mounting seat 12 is fixedly connected to the upper surface of the first supporting plate 2. An intermittent gear box 3 is fixedly connected to the output end of the mounting seat 12. The intermittent gear box 3 is fixedly connected to the upper surface of the first supporting plate 2, and two groups of active synchronous wheels 14 are fixedly connected to the output end of the intermittent gear box 3. One group of active synchronous wheels 14 is connected to the first driven synchronous wheel 18 through a synchronous belt, and one group of active synchronous wheels 14 is connected to the second driven synchronous wheel 21 through a synchronous belt. The reduction motor 13 drives the intermittent gear box 3 so that the active synchronous wheel 14, the synchronous belt and the first driven synchronous wheel 18 drive the first rotating shaft 15 and the first roller 16 to rotate intermittently, so that the first conveyor belt 17 moves intermittently, and the second rotating shaft 19 and the second roller 20 are driven to rotate intermittently through the active synchronous wheel 14, the synchronous belt and the second driven synchronous wheel 21, so that the second conveyor belt 26 moves intermittently, so that the meter probe 25 has enough time to measure the thermistor, and the upper part of one end of the two groups of second support plates 6 close to the second support frame 5 is fixedly connected with a baffle 11, which can block both sides of the second conveyor belt 26 to prevent the thermistor from falling off the first roller 16.

[0027] Working principle: When in use, the control panel 9 is used to start the electric devices of the device. The reduction motor 13 drives the intermittent gear box 3 to drive the active synchronous wheel 14, the synchronous belt and the first driven synchronous wheel 18 to drive the first rotating shaft 15 and the first roller 16 to rotate intermittently, so that the first conveyor belt 17 moves intermittently. The active synchronous wheel 14, the synchronous belt and the second driven synchronous wheel 21 drive the intermittent rotation of the second rotating shaft 19 and the second roller 20, so that the second conveyor belt 26 moves intermittently, and the thermistor is placed on the surface of the first conveyor belt 17. The first conveyor belt 17 moves with the thermistor, so that the thermistor enters the middle of the drop cylinder 8 and moves along the drop cylinder. 8 falls onto the surface of the second conveyor belt 26 and moves to hit the lower end of the ammeter probe 25. When the thermistor falls onto the surface of the second conveyor belt 26, an impact will occur, thereby detecting whether the thermistor is installed properly. If the thermistor does not fall off, it is qualified. If the thermistor falls off, the production is unqualified. The second conveyor belt 26 drives the thermistor at the lower end of the drop cylinder 8 to move, so that the thermistor moves with the second conveyor belt 26 to the second cylinder 24 and is lowered. The position of the ammeter probe 25 is adjusted by the first cylinder 22 and the second cylinder 24, so that the two groups of ammeter probes 25 touch the thermistor, thereby detecting the resistance value of the thermistor to determine whether it is qualified.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A thermistor detection device, comprising a first support frame (1), a second support frame (5) and a second support plate (6), characterized in that: The upper ends of the two groups of the second support frames (5) are fixedly connected to a fixing ring, the middle of the fixing ring is fixedly connected to a descending cylinder (8), the upper ends of the two groups of the second support frames (5) are fixedly connected to a third support frame (7), the upper ends of the two groups of the third support frames (7) and the upper ends of the two groups of the first support frames (1) are fixedly connected to a fixing plate (4), both ends of the fixing plate (4) are rotatably connected to a first rotating shaft (15), the middle of the first rotating shaft (15) is fixedly connected to a first roller (16), the two groups of the first rollers (16) are connected via a first conveyor belt (17), the two ends of the two groups of the second support plates (6) are rotatably connected to a control panel (9), the middle of the two groups of the control panels (9) are fixedly connected to a second roller (20), and the two groups of the second rollers (20) are connected via a second conveyor belt (26).

2. A thermistor detection device according to claim 1, characterized in that: The two groups of the second support plates (6) are fixedly connected to a fourth support frame (10) at one side away from the second support frame (5); the upper ends of the fourth support frames (10) are fixedly connected to a first cylinder (22); the output end of the first cylinder (22) is fixedly connected to a fixing seat (23); the middle part of the fixing seat (23) is fixedly connected to a second cylinder (24); and the output end of the second cylinder (24) is fixedly connected to an electric meter probe (25).

3. A thermistor detection device according to claim 1, characterized in that: One end of a group of first rotating shafts (15) close to the first support frame (1) is fixedly connected to a first driven synchronous wheel (18), and one end of a group of second rotating shafts (19) close to the second support frame (5) is fixedly connected to a second driven synchronous wheel (21).

4. A thermistor detection device according to claim 1, characterized in that: A first support plate (2) is connected to the middle of the two groups of the first support frames (1); a mounting seat (12) is fixedly connected to the upper surface of the first support plate (2); an output end of the mounting seat (12) is fixedly connected to an intermittent gear box (3); the intermittent gear box (3) is fixedly connected to the upper surface of the first support plate (2); two groups of active synchronous wheels (14) are fixedly connected to the output end of the intermittent gear box (3); one group of the active synchronous wheels (14) is connected to a first driven synchronous wheel (18) via a synchronous belt, and the other group of the active synchronous wheels (14) is connected to a second driven synchronous wheel (21) via a synchronous belt.

5. A thermistor detection device according to claim 1, characterized in that: A control panel (9) is fixedly connected to the middle of one side of a group of the second support plates (6); the control panel (9) is electrically connected to the reduction motor (13), the first cylinder (22), and the ammeter probe (25); one end of the control panel (9) is fixedly connected to an ohmmeter; the ohmmeter and the ammeter probe (25) are electrically connected.

6. A thermistor detection device according to claim 1, characterized in that: The upper parts of one end of the two groups of the second support plates (6) close to the second support frame (5) are both fixedly connected with a baffle (11).