CN220584349U - Electrical testing device of circuit board - Google Patents
Electrical testing device of circuit board Download PDFInfo
- Publication number
- CN220584349U CN220584349U CN202322163585.6U CN202322163585U CN220584349U CN 220584349 U CN220584349 U CN 220584349U CN 202322163585 U CN202322163585 U CN 202322163585U CN 220584349 U CN220584349 U CN 220584349U
- Authority
- CN
- China
- Prior art keywords
- test
- circuit board
- rod
- test rod
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 135
- 238000003466 welding Methods 0.000 abstract description 14
- 238000001514 detection method Methods 0.000 abstract description 8
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000012797 qualification Methods 0.000 abstract description 3
- 229910000679 solder Inorganic materials 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 206010040007 Sense of oppression Diseases 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Landscapes
- Tests Of Electronic Circuits (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model discloses an electrical measurement device of a circuit board, which comprises a fixing mechanism for fixing the circuit board, a test rod for adjusting detection force and an adjusting mechanism for being matched with the fixing mechanism to fix the test rod, wherein the fixing mechanism is arranged on a workbench, the adjusting mechanism is arranged at the front end of the fixing mechanism, and the test rod is arranged on the fixing mechanism in a vertical sliding way. According to the utility model, through the height adjustment of the test rod and the pressure adjustment of the pressure spring, the test rods at different positions and the test tops under different pressure of the pressure spring are in compression contact with the contact points and the welding points of the circuit board, and only when the pressure is enough, the second contact points and the first contact points can be in contact fit, so that the proper pressure is ensured, whether the quality of the welding points meets the standard is checked, the contact pressure is ensured, and the qualification rate of the circuit board is judged.
Description
Technical Field
The utility model relates to the field of circuit board processing detection, in particular to an electrical measurement device of a circuit board.
Background
In the production process of the circuit board, the circuit board manufactured is required to be tested, and the circuit board can be delivered after the test is passed. The circuit board needs to test signals such as image and sound signals, control information numbers, power supplies, screen displays and the like. At present, a test point of a circuit board is connected in a one-way thimble mode, one end of the thimble is connected with the acquisition board through a signal wire, and the other end of the thimble is abutted with the test point of the circuit board, so that signals on the circuit board are transmitted to the acquisition board through the signal wire to realize testing.
The utility model of China with the comparative publication number of CN210442481U discloses a circuit board testing device, which uses a motor as a driving force to a mounting plate at the upper end, so that a testing piece on the mounting plate detects the circuit board;
however, compared with the technical documents in the related art and the prior art, it is known that when the circuit board is tested, because different electronic elements are welded or mounted on the circuit board, the requirements of testing pressure of different welding spots or contacts are inconsistent, the testing of the welding spots is not only whether a passage exists, and the firmness of the welding spots needs to be judged, so that the qualification of the circuit board is ensured, and the pressure needs to be ensured when the welding spots and the contacts are tested, so that the electric leakage and the power failure are avoided, and the testing efficiency is affected.
Disclosure of Invention
The present utility model is directed to an electrical testing device for a circuit board, which solves the above-mentioned problems.
The utility model realizes the above purpose through the following technical scheme:
the electric measuring device for the circuit board comprises a fixing mechanism for fixing the circuit board, a test rod for adjusting the detection force and an adjusting mechanism for being matched with the fixing mechanism to fix the test rod, wherein the fixing mechanism is arranged on a workbench, the adjusting mechanism is arranged at the front end of the fixing mechanism, and the test rod is arranged on the fixing mechanism in a vertical sliding manner;
the adjusting mechanism comprises a locking plate, the locking plate is transversely and slidably connected to a lifting seat of the fixing mechanism, a plurality of groups of transverse adjusting grooves are regularly formed in the locking plate, sliding positions and locking positions are formed in the adjusting grooves, the sliding positions and the locking positions are alternately arranged, the testing rod is vertically and slidably connected to the lifting seat and the adjusting grooves, and positioning holes are formed between the testing rod and the lifting seat;
the lower end of the inside of the test rod is connected with a test thimble, the upper end of the test rod is connected with a pressure screw rod through threads, the pressure screw rod penetrates through the top of the test rod and is connected to a gasket inside the test rod, a pressure spring is arranged between the gasket and the top of the test thimble, a first contact is arranged on the inner wall of the test rod, a second contact is arranged on the side surface of the top of the test thimble, the positioning hole is internally provided with a copper bar matched with the first contact, so that after the second contact contacts the first contact, the test thimble transmits an electric signal to a signal wire inside the lifting seat after passing through the second contact, the first contact and the copper bar, and detection data are transmitted to the control panel to detect and judge the circuit board.
Preferably: the fixing mechanism further comprises a fixing seat, a groove for fixing the circuit board is formed in the upper end face of the fixing seat, two limiting rods are mounted at the rear end of the fixing seat, the middle sections of the limiting rods are slidably connected with the lifting seat, a manual pressure assembly is mounted at the upper end of the lifting seat, and the fixed end of the manual pressure assembly is connected to the upright post of the workbench.
So set up, manual pressure subassembly is used for driving the testlever and pushes down to make the testlever through the pressure oppression test thimble of pressure spring, the testlever of different positions and receive the difference the test top of pressure spring pressure is to contact and the solder joint oppression of circuit board, only when pressure is enough the second contact with first contact just can contact the cooperation, guarantees the suitable of pressure and looks over whether solder joint quality meets the standard.
Preferably: and a limiting block is formed on the locking plate.
So set up, the shaping has the stopper on the jam plate both sides to when carrying out the side-to-side sliding to it, guarantee slide position and the locking position in the adjustment tank can closely cooperate the test rod, guarantee the fixed effect of test rod.
Preferably: the adjusting groove is a through groove, the sliding position size on the adjusting groove is larger than the test rod, and the locking position size on the adjusting groove is smaller than the test rod.
So set up, when the regulating tank side-to-side slides, because the test rod has carried out the restriction of horizontal degree of freedom in the locating hole inside, all test rods can not lateral shifting, and when locating hole and regulating tank lateral shifting, be less than the locking position of test rod size and block the test rod after, the test rod has also carried out the locking on sliding from top to bottom to guarantee the fixed of test rod.
Preferably: the inner wall of the regulating groove is provided with patterns.
So set up, the adjustment tank passes through the decorative pattern cooperation the test rod guarantees to the fixed effect of test rod.
Preferably: and scale marks are formed on the outer surface of the test rod.
So set up for the auxiliary judgement the height of test lever to more accurate detection.
Preferably: the test thimble outer circle surface is formed with the anticreep ring, the shaping has the groove of cooperation anticreep ring on the test lever inner wall.
So set up, avoid the test thimble drops when there is not the support.
Compared with the prior art, the utility model has the following beneficial effects:
through the high regulation to the test rod and to the regulation of pressure spring pressure, the test rod of different positions and receive the difference the test top of pressure spring pressure is to contact and solder joint oppression contact of circuit board, only when pressure is enough the second contact with first contact just can contact the cooperation, guarantees the suitable of pressure and looks over whether solder joint quality meets the standard, guarantees contact pressure to judge the qualification rate of circuit board.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of an electrical testing apparatus for a circuit board according to the present utility model;
FIG. 2 is a schematic view of a lifting seat of an electrical testing device for a circuit board according to the present utility model;
FIG. 3 is a schematic top view of the inner structure of the lifting seat of the electrical testing device of the circuit board according to the present utility model;
FIG. 4 is a schematic diagram of the internal structure of a lifting seat of an electrical testing device for a circuit board according to the present utility model;
FIG. 5 is a schematic view of the structure of an adjusting slot of an electrical testing device of a circuit board according to the present utility model;
FIG. 6 is a schematic diagram of a test bar of an electrical testing device for a circuit board according to the present utility model;
fig. 7 is a schematic diagram of the positional relationship between the first contact and the second contact of the electrical testing device of the circuit board according to the present utility model.
The reference numerals are explained as follows:
1. a work table; 2. a control panel; 3. a fixing mechanism; 4. an adjusting mechanism; 5. a test rod; 31. a fixing seat; 32. a lifting seat; 33. a limit rod; 34. a manual pressure assembly; 41. a lock plate; 42. positioning holes; 43. an adjustment tank; 51. a pressure screw; 52. testing the ejector pin; 53. a pressure spring; 54. a first contact; 55. and a second contact.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model is further described below with reference to the accompanying drawings:
examples
As shown in fig. 1 to 7, an electrical measurement device for a circuit board comprises a fixing mechanism 3 for fixing the circuit board, a test rod 5 for adjusting detection force, and an adjusting mechanism 4 for fixing the test rod 5 by matching with the fixing mechanism 3, wherein the fixing mechanism 3 is arranged on a workbench 1, the adjusting mechanism 4 is arranged at the front end of the fixing mechanism 3, and the test rod 5 is arranged on the fixing mechanism 3 in a vertical sliding manner;
the adjusting mechanism 4 comprises a locking plate 41, the locking plate 41 is transversely and slidably connected to the lifting seat 32 of the fixing mechanism 3, a plurality of groups of transverse adjusting grooves 43 are regularly formed in the locking plate 41, sliding positions and locking positions are formed in the adjusting grooves 43, the sliding positions and the locking positions are alternately arranged, the test rod 5 is vertically and slidably connected to the lifting seat 32 and the adjusting grooves 43, and positioning holes 42 are formed between the test rod 5 and the lifting seat 32;
the inside lower extreme of test lever 5 is connected with test thimble 52, test lever 5 upper end has pressure screw 51 through threaded connection, pressure screw 51 runs through the top of test lever 5 and is connected to the inside gasket of test lever 5, install compression spring 53 between gasket and the test thimble 52 top, install first contact 54 on the test lever 5 inner wall, test thimble 52 top side-mounting has second contact 55, the inside copper bar that is provided with cooperation first contact 54 of locating hole 42, so after second contact 55 contacted first contact 54, test thimble 52 passes through second contact 55, first contact 54, the copper bar after, the signal line of transmission to lifting seat 32 inside, thereby with the detection data transmission in the control panel 2, detect the judgement to the circuit board.
In this embodiment: the fixed establishment 3 still includes fixing base 31, fixing base 31 up end shaping has the groove of fixed circuit board, two gag lever posts 33 are installed to fixing base 31 rear end, gag lever post 33 middle section sliding connection elevating platform 32, manual pressure subassembly 34 is installed to elevating platform 32 upper end, manual pressure subassembly 34 stiff end is connected on the stand of workstation 1, manual pressure subassembly 34 is used for driving test lever 5 and pushes down, thereby make test lever 5 through the pressure compression test thimble 52 of compression spring 53, the contact and the solder joint of circuit board are pressed to test lever 5 in different positions and the test thimble 52 that receives different compression spring 53 pressure, only when the pressure is sufficient just can contact the cooperation with first contact 54, guarantee the fit of pressure and whether the solder joint quality is up to standard of inspection.
In this embodiment: the limiting blocks are formed on the locking plate 41, and the limiting blocks are formed on two sides of the locking plate 41, so that when the locking plate slides left and right, the sliding position and the locking position in the adjusting groove 43 can be tightly matched with the test rod 5, and the fixing effect of the test rod 5 is guaranteed.
In this embodiment: the adjusting groove 43 is a through groove, the sliding position size on the adjusting groove 43 is larger than the test rod 5, the locking position size on the adjusting groove 43 is smaller than the test rod 5, when the adjusting groove 43 slides left and right, because the test rod 5 is limited in the positioning hole 42 in the transverse freedom degree, all the test rods 5 cannot move transversely, when the positioning hole 42 and the adjusting groove 43 move transversely, after the test rod 5 is locked by the locking position smaller than the size of the test rod 5, the test rod 5 is locked in the vertical sliding mode, so that the fixing of the test rod 5 is ensured.
In this embodiment: the shaping has the decorative pattern on the regulating groove 43 inner wall, and regulating groove 43 passes through decorative pattern cooperation test rod 5, guarantees the fixed effect to test rod 5.
In this embodiment: the outer surface of the test rod 5 is provided with scale marks for assisting in judging the height of the test rod 5, so that more accurate detection is realized.
In this embodiment: the outer circular surface of the test thimble 52 is provided with an anti-drop ring, and the inner wall of the test rod 5 is provided with a groove matched with the anti-drop ring, so that the test thimble 52 is prevented from falling off when being unsupported.
Working principle: firstly, judging contacts and welding spots to be detected according to a circuit board to be detected, pulling the lock plate 41 leftwards to enable the test rods 5 to be positioned at the sliding positions of the adjusting grooves 43, selecting proper numbers of the test rods 5 and positions according to the contacts and the welding spots to be detected, inserting the test rods 5 into the corresponding positioning holes 42, and because patterns are formed on the inner wall of the adjusting grooves 43, the test rods 5 cannot slide down when the test rods 5 are inserted into the sliding positions, and meanwhile, have certain resistance, and adjusting the height positions of the test rods 5 by observing scale marks on the test rods 5;
then the locking plate 41 is pulled rightwards, so that the locking position of the adjusting groove 43 clamps the test rods 5, and each individual test rod 5 is locked in position;
after the adjustment is proper, the movable end of the hand-held manual pressure assembly 34 is pressed downwards, so that the lifting seat 32 drives all the test rods 5 to press downwards, after the bottom tips of the to-be-tested ejector pins 52 contact the contacts and the welding spots, the pressing is continued, the pressure on the welding spots and the contacts is ensured, the condition of the welding spots when the welding spots are pressed is judged visually, and after the pressure is enough, the second contact 55 contacts the first contact 54, the contacts and the welding spots are electrified, test signals are conducted, and at the moment, the information of the contacts and the welding spots and the on-off information are judged by observing the data on the control panel 2, so that whether the circuit board is qualified or not is judged.
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 without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (7)
1. An electrical testing device for a circuit board, characterized in that: the test rod (5) is slidably arranged on the fixing mechanism (3) up and down;
the adjusting mechanism (4) comprises a locking plate (41), the locking plate (41) is transversely and slidably connected to the lifting seat (32) of the fixing mechanism (3), a plurality of groups of transverse adjusting grooves (43) are formed in the locking plate (41) in a regular mode, sliding positions and locking positions are formed in the adjusting grooves (43), the sliding positions and the locking positions are alternately arranged, the testing rod (5) is vertically and slidably connected to the lifting seat (32) and the adjusting grooves (43), and positioning holes (42) are formed between the testing rod (5) and the lifting seat (32);
the test rod is characterized in that a test thimble (52) is connected to the lower end of the inner portion of the test rod (5), a pressure screw rod (51) is connected to the upper end of the test rod (5) through threads, the pressure screw rod (51) penetrates through the top of the test rod (5) and is connected to a gasket inside the test rod (5), a pressure spring (53) is arranged between the gasket and the top of the test thimble (52), a first contact (54) is arranged on the inner wall of the test rod (5), and a second contact (55) is arranged on the side surface of the top of the test thimble (52).
2. An electrical testing apparatus of a circuit board according to claim 1, wherein: the fixing mechanism (3) further comprises a fixing seat (31), a groove for fixing a circuit board is formed in the upper end face of the fixing seat (31), two limiting rods (33) are arranged at the rear end of the fixing seat (31), the middle sections of the limiting rods (33) are slidably connected with the lifting seat (32), a manual pressure assembly (34) is arranged at the upper end of the lifting seat (32), and the fixed end of the manual pressure assembly (34) is connected to the upright post of the workbench (1).
3. An electrical testing apparatus of a circuit board according to claim 2, wherein: a limiting block is formed on the locking plate (41).
4. An electrical testing device for a circuit board according to claim 3, wherein: the adjusting groove (43) is a through groove, the sliding position size on the adjusting groove (43) is larger than the testing rod (5), and the locking position size on the adjusting groove (43) is smaller than the testing rod (5).
5. An electrical testing apparatus of a circuit board according to claim 4, wherein: the inner wall of the adjusting groove (43) is provided with patterns.
6. An electrical testing apparatus of a circuit board according to claim 1, wherein: the outer surface of the test rod (5) is provided with scale marks.
7. An electrical testing apparatus of a circuit board according to claim 1, wherein: the test thimble (52) is formed with an anti-drop ring on the outer circular surface, and the inner wall of the test rod (5) is formed with a groove matched with the anti-drop ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322163585.6U CN220584349U (en) | 2023-08-11 | 2023-08-11 | Electrical testing device of circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322163585.6U CN220584349U (en) | 2023-08-11 | 2023-08-11 | Electrical testing device of circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220584349U true CN220584349U (en) | 2024-03-12 |
Family
ID=90120622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322163585.6U Active CN220584349U (en) | 2023-08-11 | 2023-08-11 | Electrical testing device of circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220584349U (en) |
-
2023
- 2023-08-11 CN CN202322163585.6U patent/CN220584349U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213658609U (en) | Automatic detection equipment | |
| CN210243785U (en) | Circuit board test fixture | |
| CN112161558B (en) | Automatic detection system for probe stroke | |
| CN112902902A (en) | Lens thickness detection anchor clamps and have thickness detection device of this anchor clamps | |
| CN220584349U (en) | Electrical testing device of circuit board | |
| US6049214A (en) | Universal printed circuit board inspection apparatus, and method of using same | |
| CN209000548U (en) | A kind of SSD Testing device of electrical parameter | |
| CN217424967U (en) | A intensity test device for PCB board | |
| CN216957971U (en) | Single-face crimping clamp for double-layer soft board of light emitting device | |
| CN110672952A (en) | Testing device | |
| CN217307707U (en) | Communication module testing device | |
| CN215526029U (en) | Pogo Pin board check out test set | |
| CN113252986A (en) | Many PIN duplex testing arrangement of connector | |
| CN219533237U (en) | Two four-wire test fixture | |
| CN220626005U (en) | Board bending test equipment | |
| CN219434911U (en) | Probe impedance test fixture | |
| CN213364958U (en) | Instrument circuit board function test equipment | |
| CN114400193B (en) | Single-face crimping method and clamp for double-layer flexible board of light emitting device | |
| CN219122343U (en) | Full-automatic batch detection equipment for PCBA (printed circuit board assembly) with liquid crystal display | |
| CN1425984A (en) | Mainboard test equipment | |
| CN216926921U (en) | Many PIN duplex testing arrangement of connector | |
| CN216482639U (en) | Pin height detection equipment of connector | |
| CN211718490U (en) | PCB interface pin header straightness automatic checkout device that hangs down | |
| CN219201838U (en) | Circuit board inspection jig device | |
| CN213181665U (en) | FPC winding displacement testing arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |