CN221351609U - Measuring tool for chip type high-voltage VDMOS capacitor device - Google Patents

Abstract

The utility model discloses a measuring tool of a chip high-voltage VDMOS capacitor device, which comprises a bottom plate, wherein the middle part of the top end of the bottom plate is fixedly connected with a fixed plate, the inside of the fixed plate is rotationally connected with a rotating rod through a bearing, and the top end of the rotating rod is fixedly provided with a rotating plate. According to the utility model, the output end of the electric push rod drives the capacitance measurer to move up and down, so that the height of the measuring head on the capacitance measurer is matched with the height of the pole heads, then the output end of the servo motor drives the threaded rod to rotate, the distance between the two groups of measuring heads is changed, the distance is matched with the distance between the two groups of pole heads on the capacitor body, finally the output end of the stepping motor drives the lead screw to rotate, and then the first movable plate and the second movable plate are mutually close, so that the measuring heads are contacted with the pole heads to measure the capacitance.

Description

Measuring tool for chip type high-voltage VDMOS capacitor device

Technical Field

The utility model relates to the technical field of measuring devices, in particular to a measuring tool of a chip high-voltage VDMOS capacitor device.

Background

A capacitor is an element that stores electric quantity and electric energy (potential energy). One conductor is surrounded by the other conductor, or the electric field lines emanating from one conductor all terminate in the conductor system of the other conductor, known as a capacitor. Two conductors close to each other with a layer of non-conductive insulating medium sandwiched between them, constitute a capacitor.

The conventional capacitor capacitance measurement generally adopts a universal meter, a worker is required to manually contact two measuring heads of the universal meter with the pole heads of the capacitor to observe the universal meter, and in this way, the efficiency is low, and the requirement of the worker is difficult to meet.

Disclosure of utility model

In order to solve the technical problems, the technical scheme provides a measuring tool for a chip high-voltage VDMOS capacitor device, and solves the problems that the conventional capacitor capacitance measurement in the background technology generally adopts a universal meter, a worker is required to manually contact two measuring heads of the universal meter with the pole heads of a capacitor to observe the universal meter, and the efficiency is low in the mode.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The utility model provides a measurement tool of piece formula high pressure VDMOS electric capacity device, includes the bottom plate, the top middle part fixedly connected with fixed plate of bottom plate, the inside of fixed plate is connected with the dwang through the bearing rotation, the top fixedly mounted of dwang has the dwang, the top four corners position department of fixed plate all is connected with first fixed block, and the left and right sides the inside of first fixed block is all fixedly mounted with guide bar, just the equal fixedly connected with limiting plate in both ends of guide bar, the second fixed block is still installed on the top of fixed plate, second fixed block and right side rotate between the limiting plate and be connected with the lead screw, the both ends of guide bar surface are sliding connection respectively has first fly leaf and second fly leaf, second fly leaf threaded connection is at the surface of lead screw, the both ends of dwang all articulate there is the arm, just two sets of the one end that the dwang was kept away from to the arm articulates respectively at the top of first fly leaf and second fly leaf, just the inboard fixedly connected with limiting plate in the top of first fly leaf and second fly leaf, the inboard of backup pad is all fixedly connected with on the top of fixed plate, the backup pad, the electric capacity meter is installed to the top of fixed plate has the electric capacity of two sets, and the electric capacity is installed to take over the top of the electric capacity and is set, and is set up the top of electric capacity has the top of the electric capacity, and is set and the electric capacity is set to be installed.

Preferably, the right side the outside middle part of limiting plate fixed mounting has step motor, the one end fixed connection of lead screw is at step motor's output.

Preferably, the adjusting mechanism comprises a fixed frame and a threaded rod, the bottom end of the fixed frame is fixedly connected to the top end of the capacitance measurer, the threaded rod is rotationally connected to the inside of the fixed frame, two groups of threads with opposite directions are formed in the two ends of the threaded rod, and each group of threads with opposite directions is respectively in threaded connection with a first movable part and a second movable part.

Preferably, the first movable piece and the second movable piece are L-shaped, and rubber rings are arranged in the vertical plates of the first movable piece and the second movable piece.

Preferably, the guide rail is fixedly connected to the bottom end of the fixing frame, and the first movable piece and the second movable piece are both slidably connected to the outer surface of the guide rail.

Preferably, one end of the threaded rod is fixedly connected to the output end of the servo motor, and the servo motor is fixedly installed on the outer side of the fixed frame.

Compared with the prior art, the utility model provides a measuring tool of a chip type high-voltage VDMOS capacitor device, which has the following beneficial effects:

According to the utility model, the output end of the electric push rod drives the capacitance measurer to move up and down, so that the height of the measuring head on the capacitance measurer is matched with the height of the pole heads, then the output end of the servo motor drives the threaded rod to rotate, the distance between the two groups of measuring heads is changed, the distance is matched with the distance between the two groups of pole heads on the capacitor body, finally the output end of the stepping motor drives the lead screw to rotate, and then the first movable plate and the second movable plate are mutually close, so that the measuring heads are contacted with the pole heads to measure the capacitance.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic top end structure of a base plate according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1 according to the present utility model;

FIG. 4 is a schematic view of the left support plate according to the present utility model;

FIG. 5 is a schematic view of the right support plate of the present utility model;

Fig. 6 is a schematic structural view of an adjusting mechanism in the present utility model.

The reference numerals in the figures are:

1. A bottom plate; 101. a fixing plate; 102. a rotating plate; 103. a first fixed block; 104. a second fixed block; 105. a guide rod; 106. a limiting plate; 107. a first movable plate; 108. a second movable plate; 109. a movable arm; 110. a screw rod; 111. a stepping motor; 112. a support plate; 113. placing a frame; 114. a rubber pad; 115. a mounting plate; 116. an electric push rod; 117. a capacitance measurer; 118. a measuring head; 119. a rotating lever; 2. a capacitor body; 201. a pole head; 3. an adjusting mechanism; 301. a fixed frame; 302. a threaded rod; 303. a guide rail; 304. a servo motor; 305. a first movable member; 306. a second movable member; 307. a rubber ring.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.

Example 1

Referring to fig. 1 and 3, a measuring tool for a chip high voltage VDMOS capacitor device includes a bottom plate 1, a fixing plate 101 fixedly connected to the middle of the top end of the bottom plate 1, a rotating rod 119 rotatably connected to the inside of the fixing plate 101 through a bearing, and a rotating plate 102 fixedly mounted on the top end of the rotating rod 119.

Referring to fig. 2, the four corners of the top end of the fixing plate 101 are respectively connected with a first fixing block 103, the inside of the first fixing blocks 103 on the left and right sides is respectively and fixedly provided with a guide rod 105, two ends of the guide rod 105 are respectively and fixedly connected with a limiting plate 106, the top end of the fixing plate 101 is also provided with a second fixing block 104, a screw rod 110 is rotatably connected between the second fixing block 104 and the right limiting plate 106, two ends of the outer surface of the guide rod 105 are respectively and slidably connected with a first movable plate 107 and a second movable plate 108, the second movable plate 108 is in threaded connection with the outer surface of the screw rod 110, two ends of the rotating plate 102 are respectively and fixedly connected with movable arms 109, one ends of the two groups of movable arms 109, which are far away from the rotating plate 102, are respectively and fixedly connected with a supporting plate 112, the middle of the outer side of the limiting plate 106 is fixedly provided with a stepping motor 111, and one end of the screw rod 110 is fixedly connected with the output end of the stepping motor 111.

Referring to fig. 4, a placement frame 113 is fixedly installed on the inner side of the left support plate 112, a rubber pad 114 and a capacitor body 2 are installed in the placement frame 113, two groups of pole heads 201 are arranged on the capacitor body 2, and the capacitor body 2 with different sizes is conveniently fixed by the rubber pad 114.

Referring to fig. 5, a mounting plate 115 is fixedly connected to an inner bottom end of the right support plate 112, a plurality of sets of electric push rods 116 are provided at a top end of the mounting plate 115, lifting plates are fixedly connected to an output end of the electric push rods 116, two sets of capacitance measuring devices 117 are mounted at a top end of the lifting plates, two sets of measuring heads 118 are provided at an inner side of the capacitance measuring devices 117, and an adjusting mechanism 3 is mounted at a top end of the capacitance measuring devices 117.

In this scheme, the capacitor body 2 is placed in the placement frame 113, the output end of the electric push rod 116 drives the capacitance measurer 117 to move up and down, so that the height of the measuring head 118 on the capacitance measurer 117 is matched with the height of the pole head 201, then the output end of the stepping motor 111 drives the screw rod 110 to rotate, the second movable plate 108 moves leftwards, so that the rotating rod 119 and the rotating plate 102 integrally rotate, under the cooperation of the two groups of movable arms 109, the first movable plate 107 and the second movable plate 108 are close to each other, the measuring head 118 contacts with the pole head 201, and the capacitance is measured.

Example 2

Further in this embodiment, as shown in fig. 6, the adjusting mechanism 3 includes a fixed frame 301 and a threaded rod 302, the bottom end of the fixed frame 301 is fixedly connected to the top end of the capacitance measurer 117, the threaded rod 302 is rotatably connected to the inside of the fixed frame 301, two sets of threads with opposite rotation directions are provided at two ends of the threaded rod 302, each set of threads with opposite rotation directions is respectively connected with a first movable member 305 and a second movable member 306, the first movable member 305 and the second movable member 306 are both in an L shape, rubber rings 307 are installed inside risers of the first movable member 305 and the second movable member 306, the inside bottom end of the fixed frame 301 is fixedly connected with a guide rail 303, the first movable member 305 and the second movable member 306 are both slidably connected to the outer surface of the guide rail 303, one end of the threaded rod 302 is fixedly connected to an output end of the servo motor 304, and the servo motor 304 is fixedly installed on the outside of the fixed frame 301.

In this scheme, the output end of the servo motor 304 drives the threaded rod 302 to rotate, so that the first movable part 305 and the second movable part 306 connected to the same set of threads with opposite rotation directions are close to or far away from each other, the distance between the two sets of measuring heads 118 is changed, the distance is matched with the distance between the two sets of pole heads 201 on the capacitor body 2, and the rubber ring 307 is used to fix the wires connected with the measuring heads 118.

The working principle and the using flow of the device are as follows: when the capacitor body 2 is used, the capacitor body 2 is placed in the placing frame 113, the output end of the electric push rod 116 drives the capacitance measurer 117 to move up and down, the height of the measuring head 118 on the capacitance measurer 117 is matched with the height of the pole head 201, the output end of the servo motor 304 drives the threaded rod 302 to rotate, the first movable piece 305 and the second movable piece 306 connected to the same group of threads with opposite rotation directions are close to or far away from each other, the distance between the two groups of measuring heads 118 is changed, the distance is matched with the distance between the two groups of pole heads 201 on the capacitor body 2, finally, the output end of the stepping motor 111 drives the lead screw 110 to rotate, the second movable plate 108 moves leftwards, the rotating rod 119 and the rotating plate 102 integrally rotate, and under the cooperation of the two groups of movable arms 109, the first movable plate 107 and the second movable plate 108 are close to each other, the measuring head 118 is contacted with the pole head 201, and capacitance is measured conveniently and rapidly.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a measurement tool for sheet-type high-voltage VDMOS capacitance device, which is characterized by comprising a base plate (1), top middle part fixedly connected with fixed plate (101) of bottom plate (1), the inside of fixed plate (101) is connected with dwang (119) through the bearing rotation, the top fixed mounting of dwang (119) has dwang (102), the top four corners position department of fixed plate (101) all is connected with first fixed block (103), left and right sides the inside of first fixed block (103) all is fixedly mounted with guide bar (105), just the both ends of guide bar (105) all fixedly connected with limiting plate (106), second fixed block (104) are still installed on the top of fixed plate (101), the second fixed block (104) with the right side rotate between limiting plate (106) and be connected with lead screw (110), the both ends of guide bar (105) surface are sliding connection respectively first fly leaf (107) and second fly leaf (108), second fly leaf (108) threaded connection is at the surface of lead screw (110) first fly leaf (107) and second fly leaf (108) of swing arm (102) both ends of swing arm (109) are kept away from respectively, and all fixedly connected with backup pad (112) in top of first fly leaf (107) and second fly leaf (108), the left side the inboard fixed mounting of backup pad (112) has places frame (113), the internally mounted who places frame (113) has rubber pad (114) and condenser body (2), be provided with two sets of utmost point heads (201) on condenser body (2), and the right side inboard bottom fixedly connected with mounting panel (115) of backup pad (112), the top of mounting panel (115) is provided with a plurality of groups electric putter (116), the output fixedly connected with lifter plate of electric putter (116), two sets of electric capacity caliber (117) are installed on the top of lifter plate, the inboard of electric capacity caliber (117) is provided with two sets of measuring heads (118), just adjustment mechanism (3) are installed on electric capacity caliber (117) top.

2. The measuring tool of a chip high voltage VDMOS capacitor device of claim 1, wherein: the middle part of the outer side of the limiting plate (106) on the right side is fixedly provided with a stepping motor (111), and one end of the screw rod (110) is fixedly connected with the output end of the stepping motor (111).

3. The measuring tool of a chip high voltage VDMOS capacitor device of claim 1, wherein: the adjusting mechanism (3) comprises a fixed frame (301) and a threaded rod (302), wherein the bottom end of the fixed frame (301) is fixedly connected to the top end of the capacitance measurer (117), the threaded rod (302) is rotationally connected to the inside of the fixed frame (301), two groups of threads with opposite rotation directions are formed in the two ends of the threaded rod (302), and each group of threads with opposite rotation directions is respectively connected with a first movable part (305) and a second movable part (306) in a threaded manner.

4. A measuring tool for a chip high voltage VDMOS capacitor as defined in claim 3, wherein: the first movable piece (305) and the second movable piece (306) are L-shaped, and rubber rings (307) are arranged in vertical plates of the first movable piece (305) and the second movable piece (306).

5. A measuring tool for a chip high voltage VDMOS capacitor as defined in claim 3, wherein: the inside bottom fixedly connected with guide rail (303) of fixed frame (301), first moving part (305) and second moving part (306) all sliding connection are at the surface of guide rail (303).

6. A measuring tool for a chip high voltage VDMOS capacitor as defined in claim 3, wherein: one end of the threaded rod (302) is fixedly connected to the output end of the servo motor (304), and the servo motor (304) is fixedly arranged on the outer side of the fixed frame (301).