CN210572389U

CN210572389U - Circuit board testing jig

Info

Publication number: CN210572389U
Application number: CN201920990233.9U
Authority: CN
Inventors: 刘兴; 陈刚
Original assignee: Ji'an Utility Technology Co ltd
Current assignee: Ji'an Utility Technology Co ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-05-19
Anticipated expiration: 2029-06-27

Abstract

The utility model belongs to the technical field of battery test equipment, especially, relate to a circuit board test fixture, including casing, a plurality of probes, a plurality of mosaic block and many wires, seted up in the casing and had the open-ended installation cavity, the equal slidable mounting of each mosaic block is in the installation cavity, each probe one-to-one ground and each mosaic block fixed connection, the parallel interval of each probe sets up, outside the first end of each probe all stretched out the mosaic block and passed the opening of installation cavity and stretched out the casing, each wire one-to-one ground was connected with the second end of each probe. Because the plurality of probes are all positioned on the same shell, the operation is convenient and quick, the detection efficiency is effectively improved, the labor cost and the material cost can be greatly reduced, and the disassembly and the assembly are not needed; in addition, the relative position between the probes can be adjusted, so that the probes can be accurately aligned to corresponding test points, the test precision is improved, the false detection rate is reduced, the test requirements of circuit boards with different sizes can be met, and the application range of the circuit board test jig is wide.

Description

Circuit board testing jig

Technical Field

The utility model belongs to the technical field of battery check out test set, especially, relate to a circuit board test fixture.

Background

In the production and manufacturing process of a battery pack factory, the condition of poor products is inevitably generated, the poor products are mostly caused by circuit boards, the existing treatment mode of the poor products is mostly repaired by adopting a maintenance mode, the maintained circuit boards can only be confirmed whether to be maintained or not by detection equipment when confirmed, and 4 test pens are required to be taken by two hands for testing during circuit board detection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circuit board test fixture aims at solving the complicated and with high costs technical problem of detection operation behind the circuit board maintenance among the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: a circuit board testing jig comprises a shell, a plurality of probes, a plurality of embedding blocks and a plurality of wires, wherein an installation cavity with an opening is formed in the shell, each embedding block is installed in the installation cavity in a sliding mode, the probes are fixedly connected with the embedding blocks in a one-to-one mode and arranged at intervals in parallel, the first ends of the probes protrude out of the embedding blocks in a protruding mode and penetrate through the openings of the installation cavity to extend out of the shell, and the wires are connected with the second ends of the probes in a one-to-one mode.

Optionally, a first strip hole is formed in the inner wall of the mounting cavity, a sliding protrusion is arranged on the side surface of each of the mosaic blocks, and each sliding protrusion sequentially extends into the first strip hole along the extending direction of the first strip hole.

Optionally, the width of the sliding protrusion is smaller than the width of the first elongated hole, and the distance between two opposite edges of the sliding protrusion is larger than the width of the first elongated hole.

Optionally, each of the mosaic blocks is provided with a limiting mechanism for limiting the mosaic block to move in the first elongated hole.

Optionally, a second elongated hole is formed in the inner wall of the mounting cavity, the second elongated hole is arranged opposite to the first elongated hole, and the shape of the second elongated hole is matched with that of the first elongated hole; the limiting mechanism comprises a screw, and a screw rod of the screw penetrates through the second strip hole to be in threaded connection with the corresponding mosaic block.

Optionally, the probe is a retractable probe.

Optionally, the probe is a gold plated probe.

Optionally, the second end of the probe is soldered to the wire.

Optionally, the casing includes apron and mounting panel, the side of mounting panel is equipped with the installation and leads to the groove, the apron lid is located the installation leads to on the groove, the side of apron with the wall that the groove was led to in the installation encloses and establishes and form the installation cavity, each inlay piece slidable mounting in the inslot is led to in the installation, the first end of probe is followed the opening that the groove one end was led to in the installation stretches out outside the mounting panel, the wire dorsad the tip of probe is followed the other end opening that the groove was led to in the installation is drawn forth.

Optionally, the mounting panel includes jumbo size section and with the small-size section that jumbo size section is connected, the installation leads to the groove including the major width section and with the small-width section that the major width section is connected, the major width section set up in on the major size section, the small-width section set up in on the small-size section, each the mosaic block install in the major width section and along the width direction of major width section sets up at interval in proper order, each the mosaic block is followed the width direction of major width section slides, the wire is located in the small-width section and follows draw forth in the small-width section.

The utility model provides an above-mentioned one or more technical scheme in the circuit board test fixture have one of following technological effect at least: before testing, the probes need to be shifted to slide in the mounting cavity, so that the relative positions of the probes are changed, after the relative positions of the probes correspond to the relative positions of the test points on the circuit board, the position adjustment between the probes is completed, then a person only needs to take the shell with one hand to directly abut the first ends of the probes on the test points on the circuit board in a one-to-one correspondence manner, so that a test circuit is conducted, and the detection of the circuit board is completed, because the plurality of probes are all positioned on the same shell, the person only needs to take the shell with one hand to operate, the operation is convenient and rapid, the detection efficiency can be effectively improved, the labor cost and the material cost can be greatly reduced, and the battery does not need to be disassembled and assembled; in addition, because each probe all slidable mounting is in the installation intracavity, so can be through the relative position between the adjustment probe for the probe can accurately aim at the test point that corresponds, thereby improves the measuring accuracy height, reduces the misdetection rate, and, the adjustment of the relative position between the probe also can satisfy the circuit board test needs of different sizes, makes this circuit board test fixture application scope wide.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a viewing angle of a circuit board testing fixture provided in an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of another view angle of the circuit board testing jig according to an embodiment of the present invention.

3 fig. 3 3 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 a 3- 3 a 3 in 3 fig. 32 3. 3

Fig. 4 is a schematic view of a structure of the hidden cover plate of the circuit board testing fixture provided by the embodiment of the present invention.

Fig. 5 is an exploded view of a circuit board testing fixture according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-housing 11-installation cavity 12-cover plate

13-mounting plate 20-probe 30-mosaic block

31-sliding bulge 40-lead 50-limiting mechanism

60-circuit board 61-test point 121-first strip hole

131-second elongated hole 132-installation through groove 134-large-size section

135-small size section 1321-large width section 1322-small width section.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 5, in an embodiment of the present invention, a circuit board testing fixture is provided, which is generally used for detecting a circuit board 60 in a battery and communicating the circuit board 60 with a testing circuit, and of course, can also be used for testing the circuit board 60 in other products; specifically, the circuit board testing jig comprises a shell 10, a plurality of probes 20, a plurality of embedding blocks 30 and a plurality of leads 40, wherein an installation cavity 11 with an opening is formed in the shell 10, each embedding block 30 is slidably installed in the installation cavity 11, and each probe 20 is fixedly connected with each embedding block 30 in a one-to-one correspondence manner, wherein each probe 20 and each embedding block 30 can be integrally formed, and the probe 20 and the embedding block 30 are reliably and stably connected and are not easy to separate; further, the probes 20 are spaced apart in parallel to prevent the probes 20 from crossing each other and causing short circuits.

The first end of each probe 20 protrudes out of the mosaic block 30 and passes through the opening of the mounting cavity 11 to extend out of the shell 10, each lead 40 is connected with the second end of each probe 20 in a one-to-one correspondence manner, wherein one end of each lead 40 is connected with the probe 20, the other end of each lead 40 is electrically communicated with the test board, and in addition, the second end of each probe 20 protrudes out of the mosaic block 30 so as to facilitate the connection of the lead 40.

The utility model discloses circuit board test fixture, before the test, need stir probe 20 and slide in installation cavity 11, thereby make the relative position between probe 20 change, after the relative position between probe 20 and the relative position between the test point 61 on the circuit board 60 corresponds, position adjustment between probe 20 is accomplished, then personnel only need one hand to take up casing 10, just can be with each probe 20's first end direct butt on the test point 61 on circuit board 60 one-to-one, thereby switch on test circuit, accomplish the detection of circuit board 60, because a plurality of probes 20 all are located same casing 10, personnel only need one hand just can take up the operation, convenient operation is swift, can improve detection efficiency effectively like this, can greatly reduce cost of labor and material cost, the battery also need not the dismouting; in addition, because each probe 20 all slidable mounting in installation cavity 11, can be through the relative position between the adjustment probe 20 then for probe 20 can accurately aim at corresponding test point 61, thereby improve the measuring accuracy height, reduce the false positive rate, and, the adjustment of the relative position between probe 20 also can satisfy the circuit board 60 test needs of different sizes, makes this circuit board test fixture application scope wide.

In this embodiment, the number of the probes 20 may be two, three, or more than three, and the specific number of the probes may be selected according to the number of the test points 61 on the circuit board 60.

In another embodiment of the present invention, referring to fig. 1, fig. 3 and fig. 5, a first elongated hole 121 is formed on an inner wall of the mounting cavity 11 of the circuit board testing jig, a sliding protrusion 31 is formed on a side surface of each of the insert blocks 30, and each of the sliding protrusions 31 sequentially extends into the first elongated hole 121 along an extending direction of the first elongated hole 121. The sliding protrusion 31 extends into the first elongated hole 121, each mosaic block 30 can slide along the extending direction of the first elongated hole 121, and then when the probe 20 is pulled, the first elongated hole 121 can play a role in guiding, so that the adjustment of the relative position between the probes 20 is more convenient and faster. The sliding protrusion 31 extends into the first elongated hole 121, and the sliding protrusion 31 is exposed outside the housing 10, so that a person can directly move the sliding protrusion 31, and the position of the probe 20 can be adjusted without contacting the probe 20, thereby effectively preventing the probe 20 from being deformed and damaged; in addition, each sliding protrusion 31 sequentially extends into the first elongated hole 121 along the extending direction of the first elongated hole 121, so that each sliding protrusion 31 can only slide along the extending direction of the first elongated hole 121, that is, each probe 20 moves along one line, and the adjustment operation of the probes 20 is simple and easy.

In another embodiment of the present invention, the width of the sliding protrusion 31 of the circuit board testing jig is smaller than the width of the first elongated hole 121, and the distance between the two opposite edges of the sliding protrusion 31 is greater than the width of the first elongated hole 121. The width of the sliding protrusion 31 is smaller than that of the first strip hole 121, the sliding protrusion 31 is matched with the first strip hole 121 at intervals, the sliding operation of the sliding protrusion 31 in the first strip hole 121 is time-saving and labor-saving, and the position adjustment efficiency between the probes 20 is high; the distance between two opposite edges of the sliding protrusion 31 is greater than the width of the first strip hole 121, and the sliding protrusion 31 can be prevented from rotating in the sliding groove due to the arrangement of the size, so that the probe 20 is prevented from inclining, the probe 20 and the test point 61 can be stably abutted together, and the detection precision is improved.

In another embodiment of the present invention, referring to fig. 2, 3 and 5, each of the insert blocks 30 of the circuit board testing jig is provided with a limiting mechanism 50 for limiting the movement of the insert block 30 in the first elongated hole 121. After probe 20 moved to target in place, can be through stop gear 50 with mosaic block 30 locking in first rectangular hole 121, be about to probe 20 fixes on casing 10, like this in the test process, the gliding condition can not appear after probe 20 atress, not only can guarantee that probe 20 accurately butts at test point 61 always, improves the accuracy of the result of testing, need not to dial probe 20 in the test process repeatedly moreover, test operation is simple convenient and fast.

In another embodiment of the present invention, referring to fig. 2, 3 and 5, a second elongated hole 131 is provided on the inner wall of the mounting cavity 11 of the circuit board testing jig, the second elongated hole 131 is opposite to the first elongated hole 121, and the shape of the second elongated hole 131 is matched with the shape of the first elongated hole 121; the limiting mechanism 50 comprises a screw, and a screw rod of the screw penetrates through the second strip hole 131 to be in threaded connection with the corresponding mosaic block 30. The screw is screwed on the mosaic block 30, and the nut of the screw and the mosaic block 30 clamp the side wall of the shell 10, so that the mosaic block 30 is fixed; and the screw is unscrewed, the nut of the screw and the mosaic block 30 release the side wall of the shell 10, so that the mosaic block 30 slides in the installation cavity 11, and the mosaic block 30 is fixed and slides, and the operation is simple and convenient.

In another embodiment of the present invention, the probe 20 of the circuit board testing jig is provided as a retractable probe 20. The elastic piece is arranged in the telescopic probe 20, when the probe 20 abuts against the test point 61, the elastic force generated by compression of the elastic piece enables a certain pressure to be kept between the probe 20 and the test point 61, the probe 20 can be effectively prevented from moving randomly once stressed, the stability and reliability of direct contact between the probe 20 and the test point 61 are improved, and the detection efficiency and the accuracy of a detection result are improved.

In another embodiment of the present invention, the probe 20 of the circuit board testing jig is provided as a gold-plated probe 20. The surface of the probe 20 is plated with gold, and because gold has good conductivity, the probe 20 and the test point 61 have good contact performance, and the direct connection operation between the probe 20 and the test point 61 is easier.

In another embodiment of the present invention, the second end of the probe 20 of the circuit board testing jig is connected to the wire 40 by welding. The second end of the probe 20 is welded on the lead wire 40 by using a tin wire, so that the connection between the probe 20 and the lead wire 40 is simple and easy to realize, and quick production and manufacturing can be realized.

In another embodiment of the present invention, referring to fig. 4 and 5, the housing 10 of the circuit board testing jig provided includes a cover plate 12 and a mounting plate 13, a mounting through groove 132 is disposed on a side of the mounting plate 13, the cover plate 12 is covered on the mounting through groove 132, a mounting cavity 11 is defined by a side of the cover plate 12 and a wall of the mounting through groove 132, each insert 30 is slidably mounted in the mounting through groove 132, the first end of the probe 20 extends out of the mounting plate 13 from an opening at one end of the mounting through groove 132, and the end of the wire 40 opposite to the probe 20 is led out from an opening at the other end of the mounting through groove 132. The mounting through grooves 132 of the mounting plate 13 provide mounting spaces for the insert 30 and the wires 40, and the cover plate 12 covers the side surfaces of the mounting plate 13, so that the insert 30 and the wires 40 are enclosed in the mounting through grooves 132, the structure is simple, and the mounting plate 13 and the cover plate 12 are fixed together into a whole by screws.

Further, the first elongated hole 121 is disposed on the cover plate 12, and the second elongated hole 131 is disposed on the bottom surface of the mounting through slot 132, so that the cover plate 12 is fixed on the mounting plate 13, and the positioning insert 30 can also be used.

In this embodiment, the cover plate 12, the mounting plate 13 and the insert 30 are made of plastic, which has good insulation property, so as to prevent electric leakage and electric shock of people.

In another embodiment of the present invention, referring to fig. 4 and 5, the mounting plate 13 of the circuit board testing jig provided includes a large-size section 134 and a small-size section 135 connected to the large-size section 134, the mounting through slot 132 includes a large-width section 1321 and a small-width section 1322 connected to the large-width section 1321, the large-width section 1321 is disposed on the large-size section 134, the small-width section 1322 is disposed on the small-size section 135, each of the inserts 30 is mounted in the large-width section 1321 and sequentially spaced along the width direction of the large-width section 1321, each of the inserts 30 slides along the width direction of the large-width section 1321, and the wire 40 is located in the small-width section and is led out from the small-width section 1322. Specifically, the person holds the small-sized section 135 of the mounting plate 13, so that the operation of the person is more comfortable, and the practicability is strong; big width section 1321 can provide sufficient slide adjustment space for mosaic block 30, the size of electric wire is less relatively and place in little width section 1322, make the inner space of its mounting panel 13 obtain make full use of, and big width section 1321 sets up on jumbo size section 134, little width section 1322 sets up on little size section 135, the shape looks adaptation of apron 12 and mounting panel 13, the design of this structure, not only can its space in the make full use of, simultaneously, mounting panel 13's appearance design still has stronger practicality, and, the inner and outer structure looks adaptation of mounting panel 13, also can significantly reduce piling up of material, reduce the cost of manufacture.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a circuit board test fixture which characterized in that: the probe comprises a shell, a plurality of probes, a plurality of mosaic blocks and a plurality of wires, wherein an installation cavity with an opening is formed in the shell, each mosaic block is installed in the installation cavity in a sliding mode, the probes are fixedly connected with the mosaic blocks in a one-to-one mode, the probes are arranged in parallel at intervals, the first ends of the probes protrude out of the mosaic blocks and penetrate through the openings of the installation cavity to extend out of the shell, and the wires are connected with the second ends of the probes in a one-to-one mode.

2. The circuit board testing jig of claim 1, wherein: the inner wall of the installation cavity is provided with a first strip hole, the side face of each mosaic block is provided with a sliding bulge, and each sliding bulge sequentially extends into the first strip hole along the extending direction of the first strip hole.

3. The circuit board testing jig of claim 2, wherein: the width of the sliding protrusion is smaller than that of the first strip hole, and the distance between two opposite edges of the sliding protrusion is larger than that of the first strip hole.

4. The circuit board testing jig of claim 2, wherein: each mosaic block is provided with a limiting mechanism used for limiting the mosaic block to move in the first strip hole.

5. The apparatus for testing circuit board according to claim 4, wherein: a second strip hole is formed in the inner wall of the mounting cavity, the second strip hole is opposite to the first strip hole, and the shape of the second strip hole is matched with that of the first strip hole;

the limiting mechanism comprises a screw, and a screw rod of the screw penetrates through the second strip hole to be in threaded connection with the corresponding mosaic block.

6. The circuit board testing jig according to any one of claims 1 to 5, wherein: the probe is a retractable probe.

7. The circuit board testing jig according to any one of claims 1 to 5, wherein: the probe is a gold-plated probe.

8. The circuit board testing jig according to any one of claims 1 to 5, wherein: and the second end of the probe is connected with the lead in a welding way.

9. The circuit board testing jig according to any one of claims 1 to 5, wherein: the casing includes apron and mounting panel, the side of mounting panel is equipped with the installation and leads to the groove, the apron lid is located the installation leads to on the groove, the side of apron with the wall that the groove was led to in the installation encloses and establishes and form the installation cavity, each inlay piece slidable mounting in the inslot is led to in the installation, the first end of probe is followed the opening that the groove one end was led to in the installation stretches out outside the mounting panel, the wire dorsad the tip of probe is followed the other end opening that the groove was led to in the installation is drawn forth.

10. The circuit board testing jig of claim 9, wherein: the mounting panel include jumbo size section and with the small-size section that jumbo size section is connected, the installation lead to the groove include the large width section and with the small-width section that the large-size section is connected, the large width section set up in on the large size section, the small-width section set up in on the small-size section, each the mosaic piece install in the large width section and follow the width direction of large-width section sets up at intervals in proper order, each the mosaic piece is followed the width direction of large width section slides, the wire is located in the small-width section and follow draw forth in the small-width section.