Breakdown test multifunctional tool for single-layer chip ceramic dielectric capacitor

Abstract

The utility model discloses a breakdown test multifunctional tool used for a single-layer chip ceramic dielectric capacitor, comprising a test bench, the test bench comprises a silicone oil groove, a main support plate, an auxiliary support plate, an adjusting sliding table, an upper plate, an electrode holder, a connecting rod, a movable member, a probe mounting seat and a probe assembly, the main support plate is fixed on one side of the silicone oil groove, and the auxiliary support plate is fixed on the other side of the silicone oil groove; the auxiliary supporting plate is connected with the main supporting plate through the adjusting sliding table, the upper plate is arranged on one side of the top of the auxiliary supporting plate and provided with a first penetrating hole, the electrode holder is arranged on one side of the bottom of the auxiliary supporting plate, the connecting rod movably penetrates through the first penetrating hole, the upper end of the movable part is connected with the connecting rod, and the probe mounting seat is mounted at the lower end of the movable part. The probe assembly is connected with the probe mounting seat, and a probe head of the probe assembly can elastically abut against the electrode seat. The tool provided by the utility model not only can be used for testing an air environment, but also can be used for testing a silicone oil environment, and products are convenient to take and place during the silicone oil environment testing.

Description

TECHNICAL FIELD

[0001] The utility model relates to single layer sheet type porcelain dielectric capacitor test technical field, concretely relates to a kind of breakdown test multifunctional tool for single layer sheet type porcelain dielectric capacitor. BACKGROUND

[0002] Single layer sheet type porcelain dielectric capacitor is with ceramic as dielectric material, using electronic ceramic technology and semiconductor thin film technology combined production process, manufacture surface is gold electrode and suitable for gold wire or gold ribbon bonding micro-assembly chip capacitor, with numerous excellent characteristics, such as miniaturization, high capacity density, high frequency, high temperature resistance, high reliability.Can be applied to communication field, military field, consumer electronics field and other electronic equipment.

[0003] Single layer sheet type porcelain dielectric capacitor product electrode is generally upper and lower electrode, and such capacitor exists two kinds of test environment when carrying out breakdown test, breakdown test is carried out in air and in silicone oil.

[0004] Present test tool is tested in single environment, such as silicone oil environment or air environment, and there is difficult problem of taking and placing product when testing in silicone oil environment. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a kind of breakdown test multifunctional tool for single layer sheet type porcelain dielectric capacitor to solve one or more problems described above.

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of breakdown test multifunctional tool for single layer sheet type porcelain dielectric capacitor, including test table, the test table includes silicone oil groove, main support plate, vice support plate, adjusting sliding table, upper plate, electrode seat, connecting rod, movable part, probe mounting seat, probe assembly and first spring, the main support plate is vertically fixed in one side of the silicone oil groove, the vice support plate, adjusting sliding table, upper plate, electrode seat, connecting rod, movable part, probe mounting seat, probe assembly and first spring are all located above the silicone oil groove, the vice support plate is connected with the main support plate by the adjusting sliding table, the adjusting sliding table is used to adjust the height of the vice support plate, the upper plate is transversely arranged in one side of the top of the vice support plate, the upper plate is provided with the first through hole in the vertical direction, the electrode seat is transversely arranged in one side of the bottom of the vice support plate and with the upper plate located on the same side of the vice support plate, the connecting rod is movably arranged in the first through hole, the upper end of the movable part is connected with the connecting rod, the probe mounting seat is installed on the lower end of the movable part, the probe assembly is connected with the probe mounting seat, the needle of the probe assembly can be elastically abutted with the electrode seat, the first spring is sleeved on the connecting rod and both ends are respectively abutted on the upper plate and movable part.

[0008] Further, the test bench further comprises a handle, which is located above the upper plate and fixed to the upper end of the connecting rod.

[0009] Further, the test bench further comprises a support, which is fixed to the middle part of the auxiliary support plate, and is provided with a vertical second through hole, and the movable part is movably arranged in the second through hole.

[0010] Further, the adjusting slide further comprises a fixed plate, a sliding seat and an adjusting knob.

[0011] The fixed plate is vertically fixed to the side of the main support plate, and the side of the fixed plate away from the main support plate is provided with a dovetail plug. The sliding seat is fixed to the side of the auxiliary support plate, and is provided with a vertical dovetail groove corresponding to the position of the dovetail plug. The sliding seat and the fixed plate are connected through the dovetail groove structure.

[0012] The side of the dovetail plug away from the main support plate is provided with a vertical rack, and the groove bottom of the dovetail groove is provided with a vertical recess corresponding to the position of the rack.

[0013] The adjusting knob is rotatably arranged on the side of the fixed plate, one end of the adjusting knob extends into the recess and is provided with a gear meshing with the rack, and the other end of the adjusting knob is located outside the fixed plate.

[0014] Further, the adjusting slide further comprises a locking nut, which is screwed on the side of the fixed plate, and is used for locking the relative position of the sliding seat and the fixed plate.

[0015] Further, the probe assembly comprises a needle sleeve and a needle core, the needle sleeve is connected with the probe mounting seat, the needle core comprises a needle cylinder, a needle head and a second spring, the needle cylinder is connected with the needle sleeve, the upper segment of the needle head is movably connected with the lower segment of the needle cylinder, and the second spring is arranged in the needle cylinder and the lower end of the second spring elastically abuts against the upper end of the needle head.

[0016] Further, the silicon oil groove, the main support plate, the auxiliary support plate, the upper plate, the connecting rod and the movable part are made of non-metal material, the adjusting slide is made of stainless steel material, the electrode seat and the probe mounting seat are made of beryllium copper material, and the probe assembly is made of beryllium copper gold plating.

[0017] Further, the breakdown test multifunctional tool further comprises a test base plate and a test cover, the test bench is mounted on the test base plate, one side of the test cover is connected with the test base plate through a hinge, and the test cover can be reversely covered on the test bench.

[0018] Further, the test base plate and the test cover are made of acrylic material.

[0019] Further, the side of the test cover is provided with a handle.

[0020] The utility model has the advantages of the following:

[0021] The probe mounting seat and the electrode seat are connected with two poles of the instrument respectively, in the initial state, the needle head of the needle assembly elastically abuts against the electrode seat, in the air environment test, the electrode seat is higher than the silicon oil groove, the needle head of the probe is separated from the electrode seat through the lifting connecting rod, at this time, the two poles of the product (single layer sheet type porcelain dielectric capacitor) can be contacted with the needle head of the probe and the electrode seat respectively, after the instrument is started to test, the product can be tested in the air environment, after the test is completed, the lifting connecting rod separates the needle head of the probe from the product, the product is taken out, and the whole action is completed, in the silicon oil environment test, silicon oil is added in the silicon oil groove, after the air environment test action is completed, before the instrument is started to test again, the electrode seat is lowered into the silicon oil groove through the rotation of the adjusting knob, after the product is placed below the silicon oil liquid surface, the instrument is started to test again, and the test in the silicon oil environment is completed, after the test is completed, the adjusting knob is rotated reversely, the electrode seat is lifted above the silicon oil liquid surface, the connecting rod is lifted, the needle head of the probe is separated from the product, and the product is taken out, and the whole action is completed, the breakdown test multifunctional tool provided by the utility model can test in the air environment and the silicon oil environment, and when the product is tested in the silicon oil environment, the product is convenient to take and place.

[0022] The above summary is intended to illustrate the description and is not intended to limit in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features will be readily apparent to those skilled in the art by reference to the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other drawings can be derived from the provided drawings without creative labor.

[0024] The structures, proportions, sizes, etc. shown in the specification are only used to cooperate with the content disclosed in the specification, to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the utility model, so they do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the functions and purposes that the utility model can produce, should still fall within the scope covered by the technical content disclosed by the utility model.

[0025] Figure 1 A structure schematic view of the breakdown test multifunctional tool provided by the embodiment of the utility model is provided.

[0026] Figure 2 A structure schematic view of the test table of the breakdown test multifunctional tool provided by the embodiment of the utility model is provided.

[0027] Figure 3 A structure schematic view of the adjusting sliding table of the test table of the breakdown test multifunctional tool provided by the embodiment of the utility model is provided.

[0028] Figure 4 A disassembled structure schematic view of the probe assembly of the test table of the breakdown test multifunctional tool provided by the embodiment of the utility model is provided.

[0029] Figure 5 A disassembled structure schematic view of the needle core of the probe assembly of the test table of the breakdown test multifunctional tool provided by the embodiment of the utility model is provided.

[0030] Figure 6 An installation schematic view of the movable piece, the probe mounting seat and the probe assembly of the test table of the breakdown test multifunctional tool provided by the embodiment of the utility model is provided.

[0031] In the figure: 1, test bottom plate; 2, test cover; 21, handle; 3, test table; 301, silicone oil groove; 302, main support plate; 303, auxiliary support plate; 304, adjusting sliding table; 305, upper plate; 306, electrode seat; 307, connecting rod; 308, movable piece; 309, probe mounting seat; 310, probe assembly; 311, first spring; 312, handle; 313, support piece; 3041, fixed plate; 3042, sliding seat; 3043, adjusting knob; 3044, rack; 3045, locking nut; 3101, needle sleeve; 3102, needle core; 3103, needle barrel; 3104, needle; 3105, second spring. DETAILED DESCRIPTION

[0032] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this application. Therefore, the drawings and description are considered to be exemplary in nature and not restrictive.

[0033] like Figures 1-6 As shown, this embodiment provides a multifunctional fixture for breakdown testing of single-layer ceramic chip capacitors. The testing method is simple and can be performed in two environments.

[0034] The fixture includes a test base plate 1, a test cover 2, and a test platform 3. The test platform 3 is mounted on the test base plate 1. One side of the test cover 2 is connected to the test base plate 1 by a hinge, allowing the test cover 2 to be opened (exposing the test platform 3) or closed (inverted on the test base plate 1, enclosing the test platform 3). When entering or exiting the test area, the test cover 2 is used to cover the test platform 3, preventing injury from sparks during the test. For easy observation, the test base plate 1 and the test cover 2 are made of acrylic. To facilitate opening the test cover 2, handles 21 are provided on the side of the test cover 2, typically two handles 21, symmetrically distributed.

[0035] In the embodiment, the test table 3 comprises a silicone oil tank 301, a main support plate 302, a secondary support plate 303, an adjusting sliding table 304, an upper plate 305, an electrode seat 306, a connecting rod 307, a movable piece 308, a probe mounting seat 309, a probe assembly 310 and a first spring 311. The main support plate 302 is vertically fixed to one side of the silicone oil tank 301. The secondary support plate 303, the adjusting sliding table 304, the upper plate 305, the electrode seat 306, the connecting rod 307, the movable piece 308, the probe mounting seat 309, the probe assembly 310 and the first spring 311 are all above the silicone oil tank 301. The secondary support plate 303 is connected with the main support plate 302 through the adjusting sliding table 304, and the adjusting sliding table 304 is used for adjusting the height of the secondary support plate 303, so that the electrode seat 306 can be sunk below the silicone oil liquid level of the silicone oil tank 301 or risen above the silicone oil liquid level through the adjusting sliding table 304. The upper plate 305 is transversely arranged at one side of the top of the secondary support plate 303, and the upper plate 305 is provided with a vertical first through hole for penetrating the connecting rod 307. The electrode seat 306 is transversely arranged at one side of the bottom of the secondary support plate 303 and is located at the same side of the upper plate 305, so as to ensure that the needle head 3104 of the probe assembly 310 can elastically abut against the electrode seat 306, so as to elastically clamp the product (single-layer chip ceramic capacitor). The connecting rod 307 is movably penetrated into the first through hole, and generally the diameter of the connecting rod 307 is slightly smaller than the hole diameter of the first through hole. The upper end of the movable piece 308 is connected with the connecting rod 307, and generally the two are connected through a threaded structure. The probe mounting seat 309 is mounted at the lower end of the movable piece 308, and generally the two are connected through a threaded structure. The probe assembly 310 is connected with the probe mounting seat 309. The needle head 3104 of the probe assembly 310 can elastically abut against the electrode seat 306, and the elastic abutment can ensure good contact (ensure conductivity) of the needle head 3104, the electrode seat 306 and the product, and the product will not be damaged. The first spring 311 is sleeved on the connecting rod 307 and the two ends are respectively abutted against the upper plate 305 and the movable piece 308, so that the movable piece 308 has a downward pressing tendency.

[0036] The probe mounting seat 309 and the electrode seat 306 are connected with two poles of the instrument respectively, in the initial state, the needle head 3104 of the elastic needle assembly is in elastic abutment with the electrode seat 306, in the air environment test, the bottom surface of the electrode seat 306 is higher than the silicon oil groove 301, the needle head 3104 of the probe is separated from the electrode seat 306 through the lifting connecting rod 307, at this time, the two poles of the product can be contacted with the needle head 3104 of the probe and the electrode seat 306 respectively, after the instrument is started and tested, the product can be tested in the air environment, after the test is completed, the lifting connecting rod 307 separates the needle head 3104 of the probe from the product, the product is taken out, and the whole operation is completed, in the silicon oil environment test, silicon oil is added in the silicon oil groove 301, after the air environment test operation is completed, before the instrument is started and tested again, the electrode seat 306 is lowered into the silicon oil groove 301 through the rotation of the adjusting knob 3043, until the product is placed below the silicon oil liquid surface, then the instrument is started and tested, and the test in the silicon oil environment is completed, after the test is completed, the adjusting knob 3043 is rotated in the reverse direction, the electrode seat 306 is lifted above the silicon oil liquid surface, the connecting rod 307 is lifted, the needle head 3104 of the probe is separated from the product, and then the product is taken out, and the whole operation is completed, the breakdown test multifunctional tool provided by the utility model can test in the air environment and the silicon oil environment, and the product can be conveniently taken and placed in the silicon oil environment test.

[0037] In the embodiment, the test table 3 further comprises a lifting handle 312, which is located above the upper plate 305 and fixed to the upper end of the connecting rod 307. The lifting handle 312 is in a spherical structure or a cylindrical structure with a diameter larger than that of the connecting rod 307, or other similar structures. By arranging the lifting handle 312, the connecting rod 307 can be more conveniently pulled upward.

[0038] In the embodiment, the test table 3 further comprises a support 313, which is fixed to the middle part of the auxiliary support plate 303; the support 313 is provided with a vertical second through hole; and the movable part 308 is movably arranged in the second through hole. Generally, the diameter of the second through hole is slightly larger than the diameter of the movable part 308. By arranging the support 313, the movable part 308 slides along the second through hole, and in combination with the sliding of the connecting rod 307 along the first through hole, the stability of the vertical movement is ensured, and the movable part 308 is prevented from being stuck during the vertical movement.

[0039] In the embodiment, the adjusting slide 304 comprises a fixed plate 3041, a slide base 3042 and an adjusting knob 3043. The fixed plate 3041 is vertically fixed to the side of the main support plate 302, and the side of the fixed plate 3041 away from the main support plate 302 is provided with the dovetail plug base 3042. The slide base 3042 is fixed to the side of the auxiliary support plate 303, and the slide base 3042 is provided with a vertical dovetail groove corresponding to the position of the dovetail plug. The slide base 3042 is slidably connected with the fixed plate 3041 through the dovetail groove structure. The side of the dovetail plug away from the main support plate 302 is provided with a vertical rack 3044, and the groove bottom of the dovetail groove is provided with a vertical recess corresponding to the position of the rack 3044. The adjusting knob 3043 is rotatably arranged on the side of the fixed plate 3041, one end of the adjusting knob 3043 extends into the recess and is provided with a gear meshing with the rack 3044, and the other end of the adjusting knob 3043 is located outside the fixed plate 3041. Preferably, the gear and the rack 3044 are helical gears.

[0040] In the embodiment, the adjusting slide 304 further comprises a locking nut 3045, and the adjusting nut is screwed on the side of the fixed plate 3041. By arranging the locking nut 3045, the relative position of the slide base 3042 and the fixed plate 3041 can be locked, so that the slide base 3042 and its attached structures are prevented from sliding downward non-operatively.

[0041] In the embodiment, the probe mounting seat 309 is provided with a central through hole, and the probe assembly 310 comprises a needle sleeve 3101 and a needle core 3102. The needle sleeve 3101 is arranged in the central through hole and is welded with the probe mounting seat 309 by using solder. The probe mounting seat 309 is connected. The needle core 3102 comprises a needle cylinder 3103, a needle head 3104 and a second spring 3105. The needle cylinder 3103 is connected with the needle sleeve 3101. Generally, a clamping structure is arranged between the two, and the needle cylinder 3103 is inserted into the needle sleeve 3101 and clamped. The upper section of the needle head 3104 is movably inserted into the lower section of the needle cylinder 3103, and a limiting structure is generally arranged between the two to prevent the needle head 3104 from being pulled out of the needle cylinder 3103. The second spring 3105 is arranged in the needle cylinder 3103, and the lower end of the second spring 3105 elastically abuts against the upper end of the needle head 3104. When the product is tested and pressed, the second spring 3105 plays a buffering role.

[0042] In the embodiment, the silicone oil groove 301, the main support plate 302, the auxiliary support plate 303, the upper plate 305, the connecting rod 307 and the movable part 308 are non-metal materials, such as pom polyformaldehyde; the adjusting slide 304 is a stainless steel material; the electrode seat 306 and the probe mounting seat 309 are beryllium copper materials, and the probe assembly 310 is beryllium copper gold plating.

[0043] Movement mode

[0044] 1. Air environment test: initially, the needle 3104 of the probe assembly 310 is in contact with the electrode seat 306, the bottom surface of the electrode seat 306 is higher than the upper surface of the silicone oil groove 301 (generally higher than the silicone oil liquid level), the test cover 2 is opened, the handle 312 is lifted, the needle 3104 of the probe assembly 310 is separated from the electrode seat 306, the product is placed between the needle 3104 and the electrode seat 306, the handle 312 is released, the product is clamped between the needle 3104 and the electrode seat 306, the two poles of the product are in contact with the needle 3104 and the electrode seat 306 respectively, the test cover 2 is closed, the instrument is started to test, and then the air environment test of the product can be performed, after the test is completed, the test cover 2 is opened, the handle 312 is lifted, the needle 3104 is separated from the product, and then the product is taken out, and the whole operation is completed.

[0045] 2. If the silicone oil environment test is to be continued, silicone oil is added to the silicone oil groove 301, after the air environment test is completed, the adjustment knob 3043 is rotated again before the instrument is started to test, the electrode seat 306 is lowered into the silicone oil groove 301, until the product is placed below the silicone oil liquid level, the test cover 2 is closed, the instrument is started to test, and then the silicone oil environment test is completed, after the test is completed, the test cover 2 is opened, the adjustment knob 3043 is rotated to lift the electrode seat 306 above the silicone oil liquid level, the handle 312 is lifted, the needle 3104 is separated from the product, and then the product is taken out, and the whole operation is completed.

[0046] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0047] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0048] In this application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixed", and similar terms should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection, and can also be communication; can be direct connection, can also be indirect connection through intermediate medium, can be internal communication of two elements or interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0049] In this application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "over" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "under" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0050] The above disclosure provides many different implementations or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and arrangements of specific examples are described above. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or arrangements discussed.

[0051] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art can easily think of various changes or replacements within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A multifunctional tool for breakdown test of single-layer chip ceramic capacitors, characterized in that, The test table (3) comprises a silicone oil tank (301), a main support plate (302), a vice support plate (303), an adjusting sliding table (304), an upper plate (305), an electrode seat (306), a connecting rod (307), a movable piece (308), a probe mounting seat (309), a probe assembly (310) and a first spring (311), the main support plate (302) is vertically fixed to one side of the silicone oil tank (301), the vice support plate (303), the adjusting sliding table (304), the upper plate (305), the electrode seat (306), the connecting rod (307), the movable piece (308), the probe mounting seat (309), the probe assembly (310) and the first spring (311) are all located above the silicone oil tank (301), the vice support plate (303) is connected with the main support plate (302) through the adjusting sliding table (304), the adjusting sliding table (304) is used for adjusting the height of the vice support plate (303), the upper plate (305) is transversely arranged on one side of the top of the vice support plate (303), the upper plate (305) is provided with a vertical first through hole, the electrode seat (306) is transversely arranged on one side of the bottom of the vice support plate (303) and is located on the same side of the vice support plate (303) as the upper plate (305), the connecting rod (307) is movably arranged in the first through hole, the upper end of the movable piece (308) is connected with the connecting rod (307), the probe mounting seat (309) is mounted on the lower end of the movable piece (308), the probe assembly (310) is connected with the probe mounting seat (309), the needle (3104) of the probe assembly (310) can elastically abut against the electrode seat (306), and the first spring (311) is sleeved on the connecting rod (307) and abuts against the upper plate (305) and the movable piece (308) at both ends.

2. The multifunctional tool for breakdown test of single-layer chip ceramic capacitors according to claim 1, wherein The test table (3) further comprises a handle (312), which is located above the upper plate (305) and is fixed to the upper end of the connecting rod (307).

3. The multifunction tool for breakdown test of single-layer chip ceramic capacitors according to claim 1, wherein The test table (3) further comprises a support (313), which is fixed to the middle part of the vice support plate (303), and the support (313) is provided with a vertical second through hole, and the movable piece (308) is movably arranged in the second through hole.

4. The multifunction tool for breakdown test of single-layer chip ceramic capacitors according to claim 1, wherein The adjusting sliding table (304) comprises a fixed plate (3041), a sliding seat (3042) and an adjusting knob (3043). The fixed plate (3041) is vertically fixed to the side of the main support plate (302), and the side, away from the main support plate (302), of the fixed plate (3041) is provided with a dovetail plug block, the sliding seat (3042) is fixed to the side of the vice support plate (303), the sliding seat (3042) is provided with a vertical dovetail groove corresponding to the position of the dovetail plug block, and the sliding seat (3042) and the fixed plate (3041) are connected through the dovetail groove structure. The side of the dovetail plug block away from the main support plate (302) is provided with a vertically extending rack (3044), and the groove bottom of the dovetail groove is provided with a vertically extending groove corresponding to the position of the rack (3044); The adjusting knob (3043) is rotatably arranged on the side of the fixed plate (3041), one end of the adjusting knob (3043) extends into the groove, and the end of the adjusting knob (3043) extending into the groove is provided with a gear engaged with the rack (3044), and the other end of the adjusting knob (3043) is located outside the fixed plate (3041).

5. The multifunction tool for breakdown test of single-layer chip ceramic capacitors according to claim 4, wherein The adjusting sliding table (304) further comprises a locking nut (3045) screwed on the side of the fixed plate (3041), and the locking nut is used to lock the relative position of the sliding seat (3042) and the fixed plate (3041).

6. The multifunction tool for breakdown test of single-layer chip ceramic capacitors according to claim 1, wherein The probe assembly (310) comprises a needle sleeve (3101) and a needle core (3102), the needle sleeve (3101) is connected with the probe mounting seat (309), the needle core (3102) comprises a needle barrel (3103), a needle head (3104) and a second spring (3105), the needle barrel (3103) is connected with the needle sleeve (3101), the upper section of the needle head (3104) is movably inserted into the lower section of the needle barrel (3103), and the second spring (3105) is arranged in the needle barrel (3103) and the lower end of the second spring (3105) elastically abuts against the upper end of the needle head (3104).

7. The multifunction tool for breakdown test of single-layer chip ceramic capacitors according to claim 1, wherein The silicone oil groove (301), the main support plate (302), the auxiliary support plate (303), the upper plate (305), the connecting rod (307) and the movable part (308) are made of non-metal material, the adjusting sliding table (304) is made of stainless steel, the electrode seat (306) and the probe mounting seat (309) are made of beryllium copper, and the probe assembly (310) is made of beryllium copper plated with gold.

8. The multifunction tool for breakdown test of single-layer chip ceramic capacitors according to claim 1, wherein The breakdown test multifunctional tool further comprises a test base plate (1) and a test cover (2), the test table (3) is arranged on the test base plate (1), one side of the test cover (2) is connected with the test base plate (1) through a hinge, and the test cover (2) can be arranged on the test table (3) in a reverse manner.

9. The multifunction tool for breakdown test of single-layer chip ceramic capacitors according to claim 8, wherein The test base plate (1) and the test cover (2) are made of acrylic material.

10. The multifunction tool for breakdown test of single-layer chip ceramic capacitors according to claim 8, wherein A handle (21) is arranged on the side of the test cover (2).

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