Testing device for chip ceramic dielectric capacitor
By designing test devices for push units, fixing units and testing units, using components such as electric push cylinders and drive motors, the problem of cumbersome welding and fixing operations is solved, and the simple fixing and disassembly of the sheet-type porcelain dielectric capacitor is achieved, which improves environmental adaptation efficiency of sexual testing.
Patent Information
- Application Number
- CN202420052038.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-10
- Publication Date
- 2024-12-06
- Estimated Expiration
- 2034-01-10
AI Technical Summary
In the prior art, the operation of fixing the sheet porcelain dielectric capacitor to the printed board by welding is cumbersome and inconvenient for subsequent disassembly, making it difficult to meet the needs of high-end users for environmental adaptability testing.
A test device including a push unit, a fixing unit and a test unit is designed. The electric push cylinder, sliding block, U-shaped seat and electric telescopic rod are used to achieve simple fixing and disassembly of the chip-type porcelain dielectric capacitor, and through The drive motor and threaded shaft are subjected to downforce testing.
The fixing and disassembly of the sheet porcelain dielectric capacitor is simplified, reducing the operation difficulty of the tester, and improving the flexibility and efficiency of the test.
Smart Images
Figure CN222125297U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ceramic capacitors, in particular to a test device for chip-type ceramic capacitors. Background Art
[0002] Chip multilayer ceramic capacitors have been recognized by more and more users in electronic circuits due to their small size, light weight, non-polarity and large specific capacitance. However, users have also found many problems during use, especially high-end users, who have put forward higher requirements in terms of environmental adaptability. For example, the humidity resistance test aims to evaluate the ability of chip multilayer ceramic capacitors to resist moisture degradation under typical tropical and subtropical high temperature and high humidity conditions by accelerated methods. This is one of the effective methods to evaluate the environmental adaptability of chip multilayer ceramic capacitors.
[0003] After searching the publication (announcement) number: CN214794885U, a device for testing the mechanical stress resistance of chip ceramic capacitors is disclosed, which belongs to the field of chip ceramic capacitor testing, and includes a printed circuit board for welding chip ceramic capacitors thereon, including a base, a controller, the base is connected and supports the controller through a vertically arranged support shaft, a support for supporting the printed circuit board is provided on the base, a limiting device for limiting the printed circuit board is provided next to the support, a fixing device is provided on the side of the limiting device away from the support, a driving motor is provided on the fixing device, the driving motor is connected to the controller in communication, the output shaft of the driving motor is vertically arranged downward, a driving screw is connected to the output shaft of the driving motor, and a pressing device for pressing down the printed circuit board is screwed on the driving screw. This application has the effect of reducing the error of testing the mechanical stress resistance of chip ceramic capacitors and reducing the difficulty of operation for testers.
[0004] Although the above scheme reduces the error in testing the mechanical stress resistance of chip ceramic capacitors and reduces the difficulty of operation for testers, the chip ceramic capacitors are fixed to the printed circuit board by welding, and the fixing operation is cumbersome and inconvenient for subsequent disassembly. Therefore, we propose a device for testing the mechanical stress resistance of chip ceramic capacitors. Utility Model Content
[0005] The main purpose of the utility model is to provide a test device for chip ceramic capacitors, which solves the problem that the chip ceramic capacitors are fixed to the printed circuit board by welding, the fixing operation is cumbersome, and the subsequent disassembly is inconvenient.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] An experimental device for a chip ceramic capacitor includes a main body unit, and further includes a pushing unit and a testing unit arranged above the main body unit, and a fixing unit arranged above the pushing unit, and the pushing unit is located on one side of the testing unit;
[0008] The pushing unit includes a fixing box installed on the top of the main body unit, a lead screw movably arranged in the fixing box, a first driving motor installed at the input end of the lead screw, and a moving member installed on the lead screw;
[0009] The fixing unit includes a clamping seat installed on the top of the moving member, an electric push cylinder installed on the inner side wall of the clamping seat, a sliding block installed at the telescopic end of the electric push cylinder and located inside the clamping seat, a moving clamping member arranged on the top of the sliding block, and a fixed clamping member arranged on the top of the clamping seat.
[0010] Preferably, the main body unit includes a base, traveling wheels installed at the bottom of the base, and a lifting handle installed on the top of the base.
[0011] Preferably, the pushing unit includes a limit washer installed on the inner side wall of the fixing box, and the limit washer is sleeved on the circumferential side of the lead screw.
[0012] Preferably, the moving clamping member includes a first U-shaped seat installed on the top of the sliding block, first electric telescopic rods installed on the opposite inner side walls of the first U-shaped seat, and movable clamping pieces installed at the telescopic ends of the first electric telescopic rods.
[0013] Preferably, the fixed clamping member includes a second U-shaped seat installed on the top of the clamping seat, second electric telescopic rods installed on the opposite inner side walls of the second U-shaped seat, and fixed clamping pieces installed at the telescopic ends of the second electric telescopic rods.
[0014] Preferably, the testing unit includes a fixed seat installed on the top of the base, a C-shaped box installed on the side wall of the fixed seat, a threaded shaft movably arranged in the C-shaped box, a second driving motor installed at the input end of the threaded shaft, a moving block installed on the circumferential side of the threaded shaft, and a pressing device installed on the side wall of the moving block.
[0015] Compared with the prior art, the utility model has the following beneficial effects:
[0016] In the utility model, by setting the pushing unit and the fixing unit, when it is necessary to fix the chip ceramic capacitor before implementation, first, the telescopic end of the electric push cylinder is extended, so that the sliding block moves inside the clamping seat, so that the distance between the first U-shaped seat and the second U-shaped seat is equal to the length of the chip ceramic capacitor. After the chip ceramic capacitor is placed inside the U-shaped seat, the first electric telescopic rod and the second electric telescopic rod are both extended, so that the side walls of the movable clamping plate and the fixed clamping plate are both in contact with the side walls of the chip ceramic capacitor. At this time, the chip ceramic capacitor can be fixed, and the above operation can be repeated in reverse to perform disassembly, which simplifies the fixing operation and facilitates subsequent disassembly. After the chip ceramic capacitor is fixed, the first drive motor drives the screw rod to rotate, and the moving part drives the fixing unit to move along the screw rod until the chip ceramic capacitor is located directly below the pressing device and stops. At this time, the second drive motor can be used to drive the threaded shaft to rotate, so that the moving block drives the pressing device to move downward along the threaded shaft, thereby realizing the pressing test of the chip ceramic capacitor. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0018] Figure 2 For this utility model Figure 1 A magnified schematic diagram of the structure I in the middle;
[0019] Figure 3 This is a schematic diagram of the structure of the utility model viewed from above;
[0020] Figure 4 For this utility model Figure 3 Schematic diagram of the cross-sectional structure at AA in the middle;
[0021] Figure 5 It is a right view structural schematic diagram of the utility model.
[0022] In the figure:
[0023] 1. Main unit; 101. Base; 102. Traveling wheels; 103. Lifting armrest;
[0024] 2. Pushing unit; 201. Fixed box; 202. Screw rod; 203. First driving motor; 204. Moving part; 205. Limiting washer;
[0025] 3. Fixed unit; 301. Clamping seat; 302. Electric push cylinder; 303. Sliding block; 304. Mobile clamping piece; 3041. First U-shaped seat; 3042. First electric telescopic rod; 3043. Movable clamping piece; 305. Fixed clamping piece; 3051. Second U-shaped seat; 3052. Second electric telescopic rod; 3053. Fixed clamping piece;
[0026] 4. Testing unit; 401. Fixed seat; 402. C-shaped box; 403. Threaded shaft; 404. Moving block; 405. Pressing device; 406. Second drive motor. Specific embodiments
[0027] In order to make the technical means, creative features, achieved purposes and effects realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments. Embodiment 1
[0028] As Figure 1 , Figure 2 , Figure 4 and Figure 5 shown, a test device for a chip ceramic capacitor includes a main body unit 1, and further includes a pushing unit 2 and a testing unit 4 disposed above the main body unit 1, and a fixing unit 3 disposed above the pushing unit 2, and the pushing unit 2 is located on one side of the testing unit 4;
[0029] As Figure 4 shown, the pushing unit 2 includes a fixing box 201 installed on the top of the main body unit 1, a lead screw 202 movably disposed in the fixing box 201, a first drive motor 203 installed at the input end of the lead screw 202, and a moving member 204 installed on the lead screw 202. During the process of the first drive motor 203 driving the lead screw 202 to rotate, the moving member 204 moves along the lead screw 202;
[0030] As Figure 4 shown, the fixing unit 3 includes a clamping seat 301 installed on the top of the moving member 204, an electric push cylinder 302 installed on the inner side wall of the clamping seat 301, a sliding block 303 installed at the telescopic end of the electric push cylinder 302 and located inside the clamping seat 301, a moving clamping member 304 disposed on the top of the sliding block 303, and a fixed clamping member 305 disposed on the top of the clamping seat 301. During the process of the telescopic end of the electric push cylinder 302 telescoping, the sliding block 303 can move inside the clamping seat 301.
[0031] As Figure 3 and Figure 5 shown, the main body unit 1 includes a base 101, traveling wheels 102 installed at the bottom of the base 101, and a lifting armrest 103 installed on the top of the base 101. The setting of the traveling wheels 102 facilitates the movement of the test device.
[0032] As Figure 4As shown, the pushing unit 2 includes a limit washer 205 installed on the inner side wall of the fixed box 201, and the limit washer 205 is sleeved on the circumferential side surface of the lead screw 202. The setting of the limit washer 205 prevents the moving part 204 from directly contacting and colliding with the inner side wall of the fixed box 201 during the movement along the lead screw 202.
[0033] As Figure 2 shown, the movable clamping part 304 includes a first U-shaped seat 3041 installed on the top of the sliding block 303, a first electric telescopic rod 3042 installed on the opposite inner side walls of the first U-shaped seat 3041, and a movable clamping piece 3043 installed on the telescopic end of the first electric telescopic rod 3042. During the telescopic process of the first electric telescopic rod 3042, the movable clamping piece 3043 can be driven to move synchronously.
[0034] As Figure 2 shown, the fixed clamping part 305 includes a second U-shaped seat 3051 installed on the top of the clamping seat 301, a second electric telescopic rod 3052 installed on the opposite inner side walls of the second U-shaped seat 3051, and a fixed clamping piece 3053 installed on the telescopic end of the second electric telescopic rod 3052. During the telescopic process of the second electric telescopic rod 3052, the fixed clamping piece 3053 can be driven to move synchronously.
[0035] As Figure 1 shown, the testing unit 4 includes a fixed seat 401 installed on the top of the base 101, a C-shaped box 402 installed on the side wall of the fixed seat 401, a threaded shaft 403 movably arranged in the C-shaped box 402, a second driving motor 406 installed at the input end of the threaded shaft 403, a moving block 404 installed on the circumferential side surface of the threaded shaft 403, and a pressing device 405 installed on the side wall of the moving block 404. During the rotation of the threaded shaft 403 driven by the second driving motor 406, the moving block 404 can move up and down along the threaded shaft 403.
[0036] When it is necessary to fix the chip ceramic capacitor before implementation, first, the telescopic end of the electric push cylinder 302 extends, so that the sliding block 303 moves inside the clamping seat 301, so that the distance between the first U-shaped seat 3041 and the second U-shaped seat 3051 is equal to the length of the chip ceramic capacitor. After placing the chip ceramic capacitor inside the U-shaped seat, both the first electric telescopic rod 3042 and the second electric telescopic rod 3052 extend, so that the side walls of the movable clamping piece 3043 and the fixed clamping piece 3053 are both attached to the side walls of the chip ceramic capacitor. At this time, the fixing of the chip ceramic capacitor can be realized, and by repeating the above operations in reverse, disassembly can be carried out, which simplifies the fixing operation and facilitates subsequent disassembly. Embodiment 2
[0037] As Figure 1 、 Figure 2 、 Figure 3 , Figure 4 as well as Figure 5 As shown, a test device for a chip ceramic capacitor includes a main unit 1, a pushing unit 2 and a testing unit 4 arranged above the main unit 1, and a fixing unit 3 arranged above the pushing unit 2, and the pushing unit 2 is located at one side of the testing unit 4;
[0038] like Figure 4 As shown, the pushing unit 2 includes a fixed box 201 installed on the top of the main unit 1, a screw rod 202 movably arranged in the fixed box 201, a first driving motor 203 installed at the input end of the screw rod 202, and a moving member 204 installed on the screw rod 202. When the first driving motor 203 drives the screw rod 202 to rotate, the moving member 204 moves along the screw rod 202;
[0039] like Figure 4 As shown, the fixed unit 3 includes a clamping seat 301 installed on the top of the moving part 204, an electric push cylinder 302 installed on the inner wall of the clamping seat 301, a sliding block 303 installed at the telescopic end of the electric push cylinder 302 and located inside the clamping seat 301, a movable clamping member 304 arranged on the top of the sliding block 303, and a fixed clamping member 305 arranged on the top of the clamping seat 301. During the extension and retraction of the telescopic end of the electric push cylinder 302, the sliding block 303 can move inside the clamping seat 301.
[0040] like Figure 3 and Figure 5 As shown, the main unit 1 includes a base 101, a traveling wheel 102 installed at the bottom of the base 101, and a lifting handrail 103 installed at the top of the base 101. The arrangement of the traveling wheel 102 facilitates the movement of the test device.
[0041] like Figure 4 As shown, the pushing unit 2 includes a limiting washer 205 installed on the inner wall of the fixed box 201, and the limiting washer 205 is sleeved on the peripheral side of the screw rod 202. The setting of the limiting washer 205 prevents the moving part 204 from directly contacting and colliding with the inner wall of the fixed box 201 during the movement of the screw rod 202.
[0042] like Figure 2 As shown, the movable clamping member 304 includes a first U-shaped seat 3041 installed on the top of the sliding block 303, a first electric telescopic rod 3042 installed on the inner wall opposite to the first U-shaped seat 3041, and a movable clamping piece 3043 installed on the telescopic end of the first electric telescopic rod 3042. During the telescopic process of the first electric telescopic rod 3042, the movable clamping piece 3043 can be driven to move synchronously.
[0043] like Figure 2As shown, the fixed clamping member 305 includes a second U-shaped seat 3051 installed on the top of the clamping seat 301, a second electric telescopic rod 3052 installed on the opposite inner side walls of the second U-shaped seat 3051, and a fixed clamping piece 3053 installed on the telescopic end of the second electric telescopic rod 3052. During the telescopic process of the second electric telescopic rod 3052, the fixed clamping piece 3053 can be driven to move synchronously.
[0044] As Figure 1 As shown, the test unit 4 includes a fixed seat 401 installed on the top of the base 101, a C-shaped box 402 installed on the side wall of the fixed seat 401, a threaded shaft 403 movably arranged in the C-shaped box 402, a second driving motor 406 installed at the input end of the threaded shaft 403, a moving block 404 installed on the circumferential side surface of the threaded shaft 403, and a pressing device 405 installed on the side wall of the moving block 404. During the process of the second driving motor 406 driving the threaded shaft 403 to rotate, the moving block 404 can move up and down along the threaded shaft 403.
[0045] After the chip ceramic capacitor is fixed, the first driving motor 203 drives the lead screw 202 to rotate, and the moving member 204 drives the fixed unit 3 to move along the lead screw 202 until the chip ceramic capacitor is stopped directly below the pressing device 405. At this time, the second driving motor 406 can drive the threaded shaft 403 to rotate, so that the moving block 404 drives the pressing device 405 to move down along the threaded shaft 403, thereby realizing the downward pressure test on the chip ceramic capacitor.
[0046] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.
Claims
1. A test device for a chip ceramic capacitor, comprising a main unit (1), characterized in that: It also includes a pushing unit (2) and a testing unit (4) disposed above the main body unit (1), and a fixing unit (3) disposed above the pushing unit (2), and the pushing unit (2) is located on one side of the testing unit (4); The pushing unit (2) includes a fixing box (201) installed on the top of the main body unit (1), a lead screw (202) movably arranged in the fixing box (201), a first driving motor (203) installed at the input end of the lead screw (202), and a moving member (204) installed on the lead screw (202); The fixing unit (3) includes a clamping seat (301) installed on the top of the moving member (204), an electric push cylinder (302) installed on the inner side wall of the clamping seat (301), a sliding block (303) installed at the telescopic end of the electric push cylinder (302) and located inside the clamping seat (301), a moving clamping member (304) arranged on the top of the sliding block (303), and a fixed clamping member (305) arranged on the top of the clamping seat (301).
2. The testing device for a chip ceramic capacitor according to claim 1, characterized in that: The main body unit (1) includes a base (101), traveling wheels (102) installed at the bottom of the base (101), and a lifting armrest (103) installed on the top of the base (101).
3. The testing device for a chip ceramic capacitor according to claim 2, characterized in that: The pushing unit (2) includes a limit washer (205) installed on the inner side wall of the fixing box (201), and the limit washer (205) is sleeved on the circumferential side of the lead screw (202).
4. The testing device for a chip ceramic capacitor according to claim 3 is characterized in that: The moving clamping member (304) includes a first U-shaped seat (3041) installed on the top of the sliding block (303), a first electric telescopic rod (3042) installed on the opposite inner side walls of the first U-shaped seat (3041), and a movable clamping piece (3043) installed at the telescopic end of the first electric telescopic rod (3042).
5. The testing device for a chip ceramic capacitor according to claim 1, characterized in that: The fixed clamping member (305) includes a second U-shaped seat (3051) installed on the top of the clamping seat (301), a second electric telescopic rod (3052) installed on the opposite inner side walls of the second U-shaped seat (3051), and a fixed clamping piece (3053) installed at the telescopic end of the second electric telescopic rod (3052).
6. The testing device for chip ceramic capacitors according to claim 5, characterized in that: The testing unit (4) includes a fixing seat (401) installed on the top of the base (101), a C-shaped box (402) installed on the side wall of the fixing seat (401), a threaded shaft (403) movably arranged in the C-shaped box (402), a second driving motor (406) installed at the input end of the threaded shaft (403), a moving block (404) installed on the circumferential side of the threaded shaft (403), and a pressing device (405) installed on the side wall of the moving block (404).