TWI789032B - Capacitor Life Tester - Google Patents

Abstract

A capacitor life testing machine is suitable for testing multiple capacitor components. The capacitor life testing machine includes accommodating equipment and detection equipment. The accommodating device includes an accommodating body with an outer setting surface, a plurality of circuit board connecting parts located in the accommodating body and respectively suitable for setting a plurality of circuit boards, and a plurality of circuit board connecting parts located on the outer setting surface and respectively corresponding to the circuit board connecting parts. Each circuit board is provided with a capacitive element, and each detection connecting portion has a plurality of detection point groups, and each detection point group corresponds to one of the capacitive elements. The detecting equipment includes a moving device and a detecting element group. The moving device includes a sliding seat for the detecting element group. The sliding seat of the moving device can be driven to connect the detecting element group to any one of the detecting point groups.

Description

Capacitor Life Tester

The invention relates to a life testing machine, in particular to a capacitance life testing machine.

There is a capacitor life testing machine which can be used to test the life of capacitor elements to ensure the manufacturing quality of capacitor elements. A plurality of cable groups are connected between the measuring device and the containing device, and the cable groups are respectively electrically connected to the capacitive elements through the containing device, so that the measuring device can obtain the operation of the capacitive elements data. However, due to the large number of the cable sets, the electromagnetic waves generated by the cable sets easily generate electromagnetic interference to the capacitive elements, thereby distorting the operating data of the capacitive elements.

Therefore, one object of the present invention is to provide a capacitor life testing machine that can improve at least one shortcoming of the prior art.

Therefore, in some embodiments, the capacitor life testing machine of the present invention is suitable for testing a plurality of capacitor elements, and the capacitor life testing machine includes a containing device and a detecting device. The accommodating device includes an accommodating body with an outer setting surface, a plurality of circuit board connecting parts located in the accommodating body and respectively suitable for setting a plurality of circuit boards, and located on the outer setting surface and respectively corresponding to the A plurality of detection connection parts of the circuit board connection part, each circuit board is provided with at least a part of the capacitive elements, each detection connection part has a plurality of detection point groups, and each of the detection point groups corresponds to one of the capacitive element. The detection equipment includes a moving device, and a detection module, the moving device includes a sliding seat, the detection module includes a detection piece set on the sliding seat, the sliding seat of the moving device can be driven to slide to The position corresponding to any one of the detection point groups of the detection connection parts, so that the detection element group is connected to the any one of the detection point groups.

In some implementation aspects, each detection point group has a plurality of detection holes, and each detection element group has a plurality of detection pins.

In some embodiments, the mobile device further includes a horizontal sliding rail extending horizontally, a vertical sliding rail extending vertically and being slidably disposed on the horizontal sliding rail, and a vertically slidably disposed A sliding platform on the vertical slide rail, the sliding seat is arranged on the sliding platform and can slide toward or away from the outer setting surface of the accommodating device.

In some implementation aspects, the accommodating device further includes a plurality of first charging connection parts located on the outer setting surface and respectively corresponding to the circuit board connecting parts, and a plurality of first charging connecting parts arranged on the outer setting surface and respectively corresponding to the circuit board connecting parts. A plurality of pressing mechanisms of the first charging connection part, each pressing mechanism includes a pressing slider having a second charging connection part, the pressing slider can be driven towards the outer setting surface or away from the outer side The setting surface is slid so that the first charging connection part is in contact with or separated from the second charging connection part.

The capacitance life testing machine of the present invention enables the detection element set on the sliding seat to be connected to the sliding seat by being able to slide to any one of the detecting point groups corresponding to the detecting connection parts. any one of the detection point groups, so that the detection module can detect the operation data of the capacitive elements, and this arrangement can reduce the number of cables between the accommodating device and the detection device, In order to reduce the condition that the electromagnetic interference generated by the cable distorts the operating data of these capacitive elements.

Referring to FIG. 1 to FIG. 4 , an embodiment of a capacitor life tester 100 of the present invention is suitable for testing a plurality of capacitor elements 200 . The capacitor life tester 100 includes a holding device 1 and a detection device 2 .

The accommodating device 1 includes an accommodating body 11 having an outer setting surface 111, a plurality of circuit board connecting parts 12 located in the accommodating body 11 and respectively suitable for setting a plurality of circuit boards 300, and a plurality of circuit board connecting parts 12 located on the outer side The installation surface 111 corresponds to the plurality of detection connection portions 13 of the circuit board connection portions 12 respectively. In this embodiment, the accommodating body 11 has a box structure and also has an opening 112 facing forward, and a door panel 113 for covering the opening 112. Put the rear outer surface of body 11. In addition, a temperature control unit (not shown) may be provided in the containing body 11 to simulate the operating conditions of the capacitive elements 200 at different temperatures. Each circuit board 300 is provided with at least a part of the capacitive elements 200, and each detection connection part 13 has a plurality of detection point groups 131, and each of the detection point groups 131 corresponds to one of the capacitive elements 200, in this embodiment In the example, each detection point group 131 has four detection holes 131a, but in other implementations, the number of detection holes 131a of the detection point group 131 can also be other numbers, not the number of this embodiment. In addition, the detection holes 131a of the detection point group 131 can be replaced by other connection structures, such as detection contact points, etc., which is not limited to this embodiment.

The detection device 2 includes a mobile device 21 and a detection module 22 . The moving device 21 corresponds to the outer setting surface 111 of the accommodating device 1, and the moving device 21 includes a horizontal sliding rail 211 extending laterally, a vertically extending horizontal sliding rail 211 A vertical slide rail 212, a slide table 213 that can be vertically slidably arranged on the vertical slide rail 212, and a slide table 213 that is arranged on the slide table 213 and can be set toward the outer surface 111 of the accommodating device 1 or away from the accommodating device 1 A sliding seat 214 that slides on the outer setting surface 111 of the device 1 . The detecting module 22 includes a detecting element set 221 disposed on the sliding base 214 , and a detecting instrument (not shown) connected to the detecting element set 221 through a circuit (not shown). In this embodiment, each detection element group 221 has four detection needles 221a, but in other implementations, the number of detection needles 221a can also be other numbers, not limited to the number of this embodiment, In addition, the detection pins 221a can be replaced by other connection structures, such as detection contact points, etc., which is not limited to this embodiment.

Through the cooperation of the horizontal slide rail 211, the vertical slide rail 212 and the sliding table 213, the sliding seat 214 can slide in three axes, so that the sliding seat 214 of the moving device 21 can be driven to slide to the position corresponding to Any one of the detection point groups 131 of the detection connection parts 13, so that the detection part group 221 is connected to the any one of the detection point groups 131, when the connection is completed, the detection module The detecting instruments of the group 22 can detect the operation data of the capacitive elements 200 . Further, in the above-mentioned connection process, firstly, through the horizontal sliding of the vertical slide rail 212 relative to the horizontal slide rail 211 and the vertical sliding of the sliding platform 213 relative to the vertical slide rail 212, the detection Component group 221 is aligned with the corresponding detection point group 131, and then through the sliding of the sliding seat 214 relative to the sliding table 213, the detection needle 221a of the detection component group 221 is inserted into the detection hole 131a of the corresponding detection point group 131 , but not limited to. The moving device 21 of the detecting device 2 can reduce the number of cables between the accommodating device 1 and the detecting device 2 , so as to reduce the situation that the electromagnetic interference generated by the cables distorts the operating data of the capacitive elements 200 . In addition, the cooperative relationship and the overall structure of the horizontal slide rail 211, the vertical slide rail 212, and the sliding table 213 of the mobile device are only examples. It can be understood that when the sliding seat 214 can slide to the Under the premise of any one of the detection point groups 131 of the detection connection part 13, the cooperation relationship between the specific structure of the mobile device and the internal parts can be changed and adjusted according to the requirements, and should not be used in this implementation. Example is limited. Furthermore, for example, the sliding between the horizontal sliding rail 211, the vertical sliding rail 212, the sliding platform 213 and the sliding seat 214 of the mobile device 21 may be through a servo motor (not shown) or an air cylinder ( not shown in the figure) and other driving elements, but it is not limited thereto.

In addition, it should be noted that each capacitive element 200 and its corresponding circuit on the circuit board 300 form a circuit loop (not shown in the figure), and the detection holes 131a of the corresponding detection point group 131 are respectively connected to four holes on the circuit loop. points, and under different measurement requirements, when the probe set 221 is connected to any one of the probe point sets 131, for example, only one of the four probe pins 221a can be The two detection pins 221a are connected to the corresponding detection holes 131a, so that the detection element set 221 is connected to two of the four points. In addition, the circuit loop may, for example, be provided with a protection device (not shown in the figure), and the protection device is composed of a high-impedance resistor. When the capacitive element 200 or the subsequent circuit is short-circuited, most of the voltage drop will fall on the protection device, and the current is limited by the high impedance characteristic of the protection device. The high-group meter uses a high-impedance resistor to obtain a small current, thereby measuring the resistance of the object to be tested. In addition, the protection device has no control mechanism in terms of activation, and basically starts to function after being installed in the circuit loop.

Referring to FIG. 1 and FIG. 4 to FIG. 6 , in addition, in this embodiment, the accommodating device 1 further includes a plurality of first charging connection parts located on the outer setting surface 111 and respectively corresponding to the circuit board connection parts 12 14 , and a plurality of pressing mechanisms 15 provided on the outer setting surface 111 and respectively corresponding to the first charging connection parts 14 . Each pressing mechanism 15 includes two guide columns 151 that are arranged on the outer setting surface 111 and protrude toward a direction away from the outer setting surface 111, and a pressing slide that is slidably arranged on the two guiding columns 151. The block 152 , two setting columns 153 disposed on the outer setting surface 111 and protruding away from the outer setting surface 111 , and a cam member 154 rotatably arranged on the two setting columns 153 . The pressing slider 152 includes a body 152a disposed on the two guide columns 151, a pressing circuit board 152b disposed on the body 152a facing the outer setting surface 111, and a rotatably disposed on the body 152a. Two idlers 152c. The pressed circuit board 152b has a second charging connection part 152d for contacting the first charging connection part 14. It should be noted that the first charging connection part 14 and the second charging connection part 152d For example, each has a plurality of circuit contact points arranged horizontally (not shown in the figure), the press-fit circuit board 152b is connected to a power supply unit (not shown in the figure), and is used to supply power to the capacitive element 200 . The cam member 154 has two cam structures 154a located at two ends corresponding to the two idler gears 152c respectively. Each cam structure 154a has a protrusion 154b and two recesses 154c located at two ends of the protrusion 154b. In addition, an elastic element (not shown) may be connected between the body 152a of the pressing slider 152 and the outer setting surface 111 . It should be noted that although in this embodiment, each circuit board connecting portion 12 corresponds to only one first charging connecting portion 14 and one second charging connecting portion 152d of the press-fit slider 152, in other embodiments The number of the corresponding first charging connection part 14 and the second charging connection part 152d of the pressing slider 152 may be more than two, which should not be limited by this embodiment.

The cam member 154 can be driven by a driving element such as a servo motor (not shown), for example. When one of the two recesses 154c accommodates the corresponding idler wheel 152c, the elastic element pushes the pressing slider 152 so that the first charging connection part 14 and the second charging connection part 152d are separated from each other, as shown in FIG. Make the first charging connection part 14 and the second charging connection part 152d contact with each other, as shown in FIG. 6 . By means of the cam member 154 of the pressing mechanism 15, the pressing slider 152 can be driven to slide toward the outer setting surface 111 or away from the outer setting surface 111, so that the first charging connection part 14 is connected to the outer setting surface 111. The second charging connection part 152d is in contact with or separated from. For example, when the cam member 154 of the pressing mechanism 15 rotates reciprocally, the first charging connection part 14 and the second charging connecting part 152d can intermittently contact and separate, and, through the pressing mechanism 15 The first charging connection part 14 and the second charging connection part 152d can also be separated from each other without charging the capacitive element 200 , so as to ensure safety and accuracy of charging and discharging of the capacitive element 200 .

In summary, the capacitance life testing machine 100 of the present invention can slide to the sliding seat 214 corresponding to any one of the detection point groups 131 of the detection connection parts 13, so that the sliding seat 214 located on the sliding The detection element group 221 of the seat 214 can be connected to the any one of the detection point groups 131, thereby enabling the detection module 22 to detect the operation data of the capacitive elements 200, and this arrangement can reduce the The number of cables between the accommodating device 1 and the detection device 2 is used to reduce the condition that the electromagnetic interference generated by the cables distorts the operating data of the capacitive elements 200 .

But what is described above is only an embodiment of the present invention, and should not limit the scope of the present invention. All simple equivalent changes and modifications made according to the patent scope of the present invention and the content of the patent specification are still within the scope of the present invention. Within the scope covered by the patent of the present invention.

100:Capacitance life tester 1: Accommodate equipment 11:Accommodating body 111: Outer setting surface 112: opening 113: door panel 12: Circuit board connection part 13: Probe connection 131: Detection point group 131a: detection hole 14: The first charging connection part 15: Pressing mechanism 151: guide column 152: Pressing slider 152a: Ontology 152b: Lamination circuit board 152c: idler 152d: the second charging connection part 153: set column 154: cam piece 154a: Cam structure 154b: convex part 154c: concave part 2: Detection equipment 21:Mobile device 211: Horizontal slide rail 212: vertical slide rail 213: sliding table 214: sliding seat 22: Detection module 221:Detection set 221a: probe needle 200: capacitive element 300: circuit board

Other features and effects of the present invention will be clearly presented in the implementation manner with reference to the drawings, wherein: Fig. 1 is an embodiment of the capacitor life tester of the present invention and a front view of a plurality of capacitors and a plurality of circuit boards; Fig. 2 is a perspective view of this embodiment viewed from the rear; Fig. 3 is a perspective view similar to Fig. 2, in which the sliding seat of the detection device of this embodiment slides to one of the detection point groups corresponding to the detection connection part, so that the detection element group is connected to the probe point group; Fig. 4 is a partially enlarged perspective view of Fig. 3; and FIG. 5 and FIG. 6 are two cross-sectional views for illustrating the pressing mechanism of the accommodating device of this embodiment.

100:Capacitance life tester

1: Accommodate equipment

11:Accommodating body

111: Outer setting surface

13: Probe connection

131: Detection point group

131a: detection hole

14: The first charging connection part

15: Pressing mechanism

151: guide column

152: Pressing slider

152c: idler

153: set column

154: cam piece

154a: Cam structure

154b: convex part

154c: concave part

2: Detection equipment

21:Mobile device

212: vertical slide rail

213: sliding table

214: sliding seat

22: Detection module

221:Detection set

221a: probe needle

Claims (4)

A capacitor life testing machine is suitable for testing multiple capacitor components. The capacitor life testing machine includes: a housing device, including a housing body with an outer setting surface, which is located in the housing body and is respectively suitable for a plurality of A plurality of circuit board connection parts provided on the circuit board, and a plurality of detection connection parts located on the outer setting surface and respectively corresponding to the circuit board connection parts, each circuit board is provided with at least a part of the capacitive elements, each A detection connection part has a plurality of detection point groups, and each of the detection point groups corresponds to one of the capacitive elements, wherein each of the circuit boards can be respectively arranged on each corresponding circuit board connection part; and a detection device, It includes a mobile device and a detection module, the mobile device includes a sliding seat, the detection module includes a detection piece set on the sliding seat, the sliding seat of the mobile device can be driven to slide to the position corresponding to the any one of the detection point groups of the detection connection portion, so that the detection element group is connected to the any one of the detection point groups. The capacitance life testing machine as claimed in claim 1, wherein each detection point group has a plurality of detection holes, and each detection element group has a plurality of detection needles. The capacitor life testing machine according to claim 1, wherein the mobile device further includes a horizontal slide rail extending horizontally, a vertical slide rail extending vertically and being slidably arranged on the horizontal slide rail, And a sliding platform vertically slidably arranged on the vertical slide rail, the sliding seat is arranged on the sliding platform and can slide toward or away from the outer setting surface of the accommodating device. The capacitance life testing machine according to claim 1, wherein the accommodating device further includes a plurality of first chargers located on the outer setting surface and respectively corresponding to the connecting parts of the circuit boards. The electrical connection part, and a plurality of press-fit mechanisms arranged on the outer setting surface and respectively corresponding to the first charging connection parts, each press-fit mechanism includes a press-fit slider with a second charging connection part, the The press-fit slider can be driven to slide toward the outer setting surface or away from the outer setting surface, so as to make the first charging connection part contact or separate from the second charging connection part.

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