Fixing clamp for PTC heater detection

Abstract

The utility model relates to the technical field of PTC heater detection, and discloses a fixing clamp for PTC heater detection, which comprises a detection table, one side of the top of the detection table is fixedly connected with a vertical plate, the other side of the top of the detection table is fixedly provided with a positioning cylinder, an output shaft of the positioning cylinder is fixedly connected with a positioning plate, and the positioning plate is fixedly connected with the vertical plate. And in-place reminding assemblies are arranged on the two sides of the positioning plate correspondingly, and each in-place reminding assembly comprises a shell, an LED lamp, a lamp switch, a sliding rod, a fixing plate, an impact block and a spring. According to the fixing clamp for PTC heater detection, by arranging the in-place reminding assembly, in the in-place reminding and positioning process after a PTC heating module is clamped and positioned, firstly, a fixing plate makes contact with the surface of a workpiece and continuously moves towards the PTC heating module along with a positioning plate, and a sliding rod, the fixing plate and an impact block are matched, so that an LED lamp is turned on by the impact block, and in this way, in-place reminding is conducted; and whether the positioning plate completes clamping and positioning can be intuitively known.

Description

Technical Field

[0001] The utility model relates to the technical field of PTC heater detection, in particular to a fixing fixture for detecting a PTC heater. Background Art

[0002] PTC heaters are made of PTC ceramic heating elements and aluminum tubes. This type of PTC heater has the advantages of low thermal resistance and high heat exchange efficiency. It is an automatic constant temperature and energy-saving electric heater. During the production and manufacturing process of PTC heaters, the heating module (including a combination of multiple heating core components and heat dissipation aluminum strips) needs to be tested, including electrical performance tests such as withstand voltage and insulation, and unqualified products are excluded to ensure that the quality of the heating module meets the requirements.

[0003] According to the application number 202222046425.9, a tooling fixture for the production of PTC heaters is disclosed. Rotating the adjusting bolt can drive the clamping plate to move, and the position of the clamping plate can be adjusted. In conjunction with the base plate, different types of ceramic heating plates can be clamped and fixed. The scope of use is very wide. The sliding flat plate moves to level the ceramic heating plate, making the ceramic heating plate more firmly clamped and fixed. In addition, the flat plate can slide and will not block the baking equipment from baking the ceramic heating plate.

[0004] There are still some problems in actual use:

[0005] During the test, a fixing fixture is required to accurately position the heating module. The existing technology usually uses manual clamping to perform connection and power-on detection, which has low test efficiency. In addition, the traditional fixing fixture lacks a reminder function, and personnel cannot intuitively understand whether the heating module is fixed. At the same time, it is difficult to connect and power on multiple heating core electrode pins in the heating module. Utility Model Content

[0006] In view of the shortcomings of the prior art, the utility model provides a fixing fixture for detecting a PTC heater, which has a reminder function so that personnel can intuitively understand whether the workpiece is fixed. It also has the advantage of being able to connect and energize multiple heating core electrode pins in the heating module, thus solving the problems raised in the background technology.

[0007] The utility model provides the following technical solution: a fixing fixture for testing a PTC heater, comprising a testing platform, a vertical plate fixedly connected to one side of the top of the testing platform, a positioning cylinder fixedly installed on the other side of the top of the testing platform, a positioning plate fixedly connected to the output shaft of the positioning cylinder, and both sides of the positioning plate are provided with in-place reminder components;

[0008] The in-place reminder component includes a shell, an LED lamp, a light switch, a sliding rod, a fixed plate, an impact block and a spring. The shell is arranged at both ends of one side surface of the positioning plate, the top of the shell is provided with an LED lamp, the inner wall of one side of the shell is provided with a light switch, the interior of the shell is provided with a sliding rod, one end of the sliding rod is provided with a fixed plate, the other end of the sliding rod is provided with an impact block, and the surface of the sliding rod is provided with a spring.

[0009] Preferably, a base is provided on the top side of the detection table, and an electrode test fixture is provided on the top side of the base, and the electrode test fixture includes a cylinder 1, an electrode clamp, a splint 1, a cylinder 2, a connecting rod and a splint 2. Cylinder 1 is fixedly installed on one end of the top side of the base, the output shaft of cylinder 1 is fixedly connected to the electrode clamp, and one side of the electrode clamp is fixedly connected to at least one splint 1, and cylinder 2 is fixedly installed on the other end of the top side of the base, the output shaft of cylinder 2 is fixedly connected to the connecting rod, and at least one splint 2 is fixedly connected to the surface of the connecting rod.

[0010] Preferably, the shell is fixedly connected to one side surface of the positioning plate, the LED lamp is fixedly connected to the top side of the shell, the light switch is fixedly connected to the inner wall of the shell, the sliding rod is slidably connected to one side of the positioning plate, the fixing plate is fixedly connected to one end of the sliding rod, the impact block is fixedly connected to the other end of the sliding rod, and the spring is sleeved on the surface of the sliding rod.

[0011] Preferably, one end of the spring is fixedly connected to the outer wall of the positioning plate, and the other end of the spring is fixedly connected to the impact block.

[0012] Preferably, a PTC heating module is disposed on the upper surface of the detection platform, and at least one electrode pin is fixedly mounted on one side of the PTC heating module.

[0013] Preferably, a driving assembly is provided on the bottom side of the testing platform, and the driving assembly includes a screw, a movable plate and a driving motor. The bottom side of the testing platform is rotatably connected to the screw, the surface of the screw is sleeved with a movable plate, and the movable plate is fixedly connected to the bottom of the base. A driving motor is fixedly installed on one side of the testing platform, and the output shaft of the driving motor is fixedly connected to the screw.

[0014] Preferably, the light switch is electrically connected to the LED lamp.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The fixing fixture for detecting the PTC heater is provided with an in-place reminder component, which can provide in-place reminder after the PTC heating module is clamped and positioned. During the positioning process, the fixing plate first contacts the surface of the workpiece. As the positioning plate continuously moves toward the PTC heating module, the sliding rod, the fixing plate and the impact block are coordinated to make the impact block turn on the LED light to provide in-place reminder. By observing whether the LED light is on, it can be intuitively understood whether the positioning plate has completed the clamping and positioning.

[0017] 2. The fixing fixture for detecting the PTC heater is provided with an electrode test fixture and a driving component. After the PTC heating module is positioned, the electrode pins can be clamped for power-on testing. After the PTC heating module is positioned, the electrode test fixture is driven by the driving component to move to the electrode pins, and then cylinder one and cylinder two are started at the same time, so that clamp one and clamp two are respectively clamped on both sides of the electrode pins for power-on testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the overall structure of a fixing fixture for detecting a PTC heater provided by the utility model;

[0019] Figure 2 A schematic top view of a structural device of a fixing fixture for detecting a PTC heater provided by the utility model;

[0020] Figure 3 A schematic diagram of the structure of a PTC heater detection fixture provided by the utility model;

[0021] Figure 4 A schematic diagram of the structure of an electrode test fixture of a PTC heater detection fixing fixture provided by the utility model;

[0022] Figure 5 The utility model provides a schematic diagram of the structure of a driving component of a fixing fixture for detecting a PTC heater.

[0023] In the figure: 1. test table; 2. vertical plate; 3. positioning cylinder; 4. positioning plate; 5. in-place reminder component; 501. shell; 502. LED lamp; 503. light switch; 504. slide bar; 505. fixing plate; 506. impact block; 507. spring; 6. electrode test fixture; 601. cylinder one; 602. electrode clamp; 603. clamping plate one; 604. cylinder two; 605. connecting rod; 606. clamping plate two; 7. driving component; 701. screw; 702. movable plate; 703. driving motor; 8. base; 9. PTC heating module; 10. electrode pin. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figures 1 to 3 A fixing fixture for testing a PTC heater comprises a testing platform 1, a vertical plate 2 is fixedly connected to one side of the top of the testing platform 1, a positioning cylinder 3 is fixedly installed on the other side of the top of the testing platform 1, the output shaft of the positioning cylinder 3 is fixedly connected to a positioning plate 4, both sides of the positioning plate 4 are provided with an in-place reminder component 5, the in-place reminder component 5 comprises a shell 501, an LED lamp 502, a light switch 503, a slide bar 504, a fixed plate 505, an impact block 506 and a spring 507, the shell 501 is arranged at both ends of one side surface of the positioning plate 4, the top of the shell 501 is provided with an LED lamp 502, the inner wall of one side of the shell 501 is provided with a slide bar 504, one end of the slide bar 504 is provided with a fixed plate 505, the other end of the slide bar 504 is provided with an impact block 506, and the surface of the slide bar 504 is provided with a spring 507;

[0026] By providing the in-position reminder component 5, after the PTC heating module 9 is clamped and positioned, a in-position reminder can be given. By observing whether the LED light 502 is on, it can be intuitively understood whether the positioning plate 4 has completed the clamping and positioning.

[0027] See also Figures 1 to 3 , the shell 501 is fixedly connected to the surface of one side of the positioning plate 4, the LED lamp 502 is fixedly connected to the top side of the shell 501, the light switch 503 is fixedly connected to the inner wall of the shell 501, the slide bar 504 is slidably connected to one side of the positioning plate 4, the fixed plate 505 is fixedly connected to one end of the slide bar 504, the impact block 506 is fixedly connected to the other end of the slide bar 504, the spring 507 is sleeved on the surface of the slide bar 504, one end of the spring 507 is fixedly connected to the outer wall of the positioning plate 4, the other end of the spring 507 is fixedly connected to the impact block 506, the light switch 503 is electrically connected to the LED lamp 502, and a PTC heating module 9 is provided on the upper surface of the detection table 1, and at least one electrode pin 10 is fixedly installed on one side of the PTC heating module 9;

[0028] During the positioning process, the fixed plate 505 first contacts the surface of the workpiece. As the positioning plate 4 continues to move toward the PTC heating module 9, the sliding rod 504, the fixed plate 505, and the impact block 506 cooperate to make the impact block 506 hit the light switch 503, turning on the LED light 502, thereby providing a reminder that the workpiece is in place.

[0029] See also Figure 2 and Figure 4 A base 8 is provided on the top side of the test platform 1, and an electrode test fixture 6 is provided on the top side of the base 8. The electrode test fixture 6 includes a cylinder 1 601, an electrode clamp 602, a clamp 1 603, a cylinder 2 604, a connecting rod 605 and a clamp 2 606. A cylinder 1 601 is fixedly installed on one end of the top side of the base 8, and the output shaft of the cylinder 1 601 is fixedly connected to the electrode clamp 602, and one side of the electrode clamp 602 is fixedly connected to at least one clamp 1 603, and a cylinder 2 604 is fixedly installed on the other end of the top side of the base 8, and the output shaft of the cylinder 2 604 is fixedly connected to the connecting rod 605, and the surface of the connecting rod 605 is fixedly connected to at least one clamp 2 606;

[0030] At the same time, the cylinder 1 601 and the cylinder 2 604 are started to operate, so that the clamping plate 1 603 and the clamping plate 2 606 are clamped on both sides of the electrode pin 10 respectively to perform power-on testing.

[0031] See also Figure 1 and Figure 5 A driving assembly 7 is provided on the bottom side of the testing platform 1, and the driving assembly 7 includes a screw 701, a movable plate 702 and a driving motor 703. The bottom side of the testing platform 1 is rotatably connected with the screw 701, and the surface of the screw 701 is sleeved with the movable plate 702, and the movable plate 702 is fixedly connected to the bottom of the base 8. A driving motor 703 is fixedly installed on one side of the testing platform 1, and the output shaft of the driving motor 703 is fixedly connected to the screw 701;

[0032] The driving assembly 7 can drive the base 8 and the electrode test fixture 6 to move horizontally, and the electrode test fixture 6 can be moved to the electrode pin 10 to perform a power-on test.

[0033] In the utility model, the working principle of the device is as follows:

[0034] During operation, the PTC heating module 9 to be tested is placed on the test bench 1 so that it is located between the vertical plate 2 and the positioning plate 4. Then, the positioning cylinder 3 is started to push the positioning plate 4 to move, and the PTC heating module 9 is clamped for positioning. During the positioning process, the fixed plate 505 first contacts the surface of the PTC heating module 9. As the positioning plate 4 continuously moves toward the PTC heating module 9, the fixed plate 505 is forced to move toward the positioning cylinder 3, and at the same time, the sliding rod 504 and the impact block 506 are driven to move, and finally the fixed plate 505 is retracted into the interior of the positioning plate 4. The impact block 506 contacts the light switch 503, and the LED light 502 is turned on to remind that it is in place. By observing whether the LED light 502 is on, it can be intuitively understood whether the positioning plate 4 has completed the clamping positioning;

[0035] After the PTC heating module 9 is positioned, the drive motor 703 is started to drive the screw 701 to rotate, thereby driving the movable plate 702 to move horizontally, and at the same time driving the base 8 and the electrode test fixture 6 to move horizontally, so that the electrode test fixture 6 is moved to the electrode pin 10, so that the clamp 1 603 and the clamp 2 606 are respectively located on both sides of the electrode pin 10, and then the cylinder 1 601 and the cylinder 2 604 are started at the same time to push the electrode clamp 602 and the connecting rod 605 to move respectively, so that the clamp 1 603 and the clamp 2 606 are respectively clamped on both sides of the electrode pin 10, and they are clamped for power-on testing.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fixing fixture for testing a PTC heater, comprising a testing platform (1), characterized in that: A vertical plate (2) is fixedly connected to one side of the top of the test bench (1), a positioning cylinder (3) is fixedly installed on the other side of the top of the test bench (1), an output shaft of the positioning cylinder (3) is fixedly connected to a positioning plate (4), and both sides of the positioning plate (4) are provided with in-position reminder components (5); The in-place reminder component (5) comprises a housing (501), an LED lamp (502), a light switch (503), a slide bar (504), a fixing plate (505), an impact block (506) and a spring (507); the housing (501) is arranged at both ends of a surface of one side of the positioning plate (4); the top of the housing (501) is provided with an LED lamp (502); the inner wall of one side of the housing (501) is provided with a light switch (503); the interior of the housing (501) is provided with a slide bar (504); one end of the slide bar (504) is provided with a fixing plate (505); the other end of the slide bar (504) is provided with an impact block (506); and the surface of the slide bar (504) is provided with a spring (507).

2. A PTC heater detection fixture according to claim 1, characterized in that: A base (8) is arranged on the top side of the test bench (1), and an electrode test fixture (6) is arranged on the top side of the base (8), and the electrode test fixture (6) comprises a cylinder 1 (601), an electrode clamp (602), a clamp plate 1 (603), a cylinder 2 (604), a connecting rod (605) and a clamp plate 2 (606). Cylinder 1 (601) is fixedly mounted on one end of the top side of the base (8), the output shaft of cylinder 1 (601) is fixedly connected to the electrode clamp (602), one side of the electrode clamp (602) is fixedly connected to at least one clamp plate 1 (603), and cylinder 2 (604) is fixedly mounted on the other end of the top side of the base (8), the output shaft of cylinder 2 (604) is fixedly connected to the connecting rod (605), and the surface of the connecting rod (605) is fixedly connected to at least one clamp plate 2 (606).

3. The fixing fixture for detecting a PTC heater according to claim 1, characterized in that: The shell (501) is fixedly connected to a surface of one side of the positioning plate (4); the LED lamp (502) is fixedly connected to the top side of the shell (501); the light switch (503) is fixedly connected to the inner wall of the shell (501); the slide bar (504) is slidably connected to one side of the positioning plate (4); the fixing plate (505) is fixedly connected to one end of the slide bar (504); the impact block (506) is fixedly connected to the other end of the slide bar (504); and the spring (507) is sleeved on the surface of the slide bar (504).

4. The fixing fixture for detecting a PTC heater according to claim 1, characterized in that: One end of the spring (507) is fixedly connected to the outer wall of the positioning plate (4), and the other end of the spring (507) is fixedly connected to the impact block (506).

5. The fixing fixture for detecting a PTC heater according to claim 1, characterized in that: A PTC heating module (9) is provided on the upper surface of the detection platform (1), and at least one electrode pin (10) is fixedly mounted on one side of the PTC heating module (9).

6. The fixing fixture for detecting a PTC heater according to claim 1, characterized in that: A driving assembly (7) is arranged on the bottom side of the detection platform (1), and the driving assembly (7) comprises a screw rod (701), a movable plate (702) and a driving motor (703). The bottom side of the detection platform (1) is rotatably connected to the screw rod (701), the surface of the screw rod (701) is sleeved with the movable plate (702), and the movable plate (702) is fixedly connected to the bottom of the base (8). A driving motor (703) is fixedly installed on one side of the detection platform (1), and the output shaft of the driving motor (703) is fixedly connected to the screw rod (701).

7. The fixing fixture for detecting a PTC heater according to claim 1, characterized in that: The light switch (503) is electrically connected to the LED light (502).

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