CN217766517U - Test tool and test system - Google Patents
Test tool and test system Download PDFInfo
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- CN217766517U CN217766517U CN202221171238.7U CN202221171238U CN217766517U CN 217766517 U CN217766517 U CN 217766517U CN 202221171238 U CN202221171238 U CN 202221171238U CN 217766517 U CN217766517 U CN 217766517U
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- suspension arm
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Abstract
The utility model discloses a test tool and a test system, which comprises a loading platform, a support column, a suspension arm and a probe assembly; the supporting column is vertically arranged on the carrying platform, and the suspension arm is connected with the supporting column in a sliding manner; the probe assembly comprises an insulator, a probe and a binding post; the insulator is connected with the suspension arm, the upper end of the probe is positioned in the insulator, the lower end of the probe extends out of the lower part of the insulator, the lower end of the binding post is positioned in the insulator and is connected with the probe, and the upper end of the binding post extends out of the upper part of the insulator. The utility model discloses a test fixture and test system, when using, can place the device on objective platform, is connected terminal and test equipment, and the davit that moves down makes the contact of probe and device circuit board, can switch on the circuit, tests, and convenient operation has improved efficiency of software testing, has reduced the damage rate of product.
Description
Technical Field
The utility model relates to an optical device tests technical field, especially relates to a test fixture and test system.
Background
In the process of testing the electrical parameters of the bare-packaged lithium niobate multifunctional integrated optical device, a circuit board of a device chip needs to be connected with testing equipment.
The common practice in the prior art is as follows: two leads are welded on a contact of a circuit board of the bare-packaged lithium niobate multifunctional integrated optical device, the leads are led out to be connected with test equipment, and the field welding of the leads is troublesome and labor-consuming, has low efficiency and is easy to cause product damage.
In view of the above, it is necessary to provide a novel test tool and a test system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a test fixture and test system, its device circuit board and the test equipment who conveniently connects the device to be tested has improved efficiency of software testing, need not the contact welding lead wire at the device circuit board, has reduced the damage rate of product.
The technical scheme of the utility model provides a test tool, which comprises a loading platform, a support column, a suspension arm and a probe assembly;
the supporting column is vertically arranged on the carrying platform, and the suspension arm is connected with the supporting column in a sliding manner;
the probe assembly comprises an insulator, a probe and a binding post;
the insulator is connected with the suspension arm, the upper end of the probe is positioned in the insulator, the lower end of the probe extends out of the lower part of the insulator, the lower end of the binding post is positioned in the insulator and is connected with the probe, and the upper end of the binding post extends out of the upper part of the insulator.
In an alternative technical solution, the suspension arm includes a suspension arm main body and a suspension arm sliding block connected with the suspension arm main body, and the insulator is connected with the suspension arm main body;
a guide rail extending vertically is arranged on the supporting column, and a sliding groove used for being matched with the guide rail is formed in the suspension arm sliding block;
the guide rail is clearance-fitted in the slide groove.
In one optional technical scheme, the guide rail is provided with a guide rail rack extending vertically;
a knob is arranged on the outer side of the suspension arm sliding block, and a gear is arranged in the sliding groove;
a knob rotating shaft of the knob is pivotally connected with the suspension arm sliding block, and one end of the knob rotating shaft extends into the sliding groove and is connected with the gear;
the gear is meshed with the guide rail rack.
In one optional technical scheme, the suspension arm main body comprises a main body vertical plate and a main body transverse plate connected to the lower end of the main body vertical plate, and the main body transverse plate is connected with the main body vertical plate in an L shape;
the main body vertical plate is connected with the suspension arm sliding block, and the insulator is installed at the bottom of the main body transverse plate.
In one optional technical scheme, the insulator is provided with a mounting through hole;
the wiring terminal is fixed in the mounting through hole and provided with a wiring terminal groove with a downward opening, and an elastic piece is mounted in the wiring terminal groove;
the upper end of the probe is slidably installed in the terminal groove, and the elastic piece is connected with the upper end of the probe.
In one optional technical scheme, a threading buckle is mounted on the top surface of the suspension arm.
In one optional technical scheme, a reinforcing column is connected between the lower part of the supporting column and the carrying platform.
In one optional technical scheme, the reinforcing column comprises a vertically extending reinforcing column main body and a reinforcing column extension plate connected to the lower end of the reinforcing column main body, and the reinforcing column extension plate is connected with the reinforcing column main body to form an L shape;
the reinforcing column extending plate is connected with the carrying platform, and the reinforcing column main body is connected with the supporting column.
In an alternative embodiment, the insulator is a ptfe block.
The technical scheme of the utility model also provides a test system, including test equipment and the test fixture of any preceding technical scheme;
the test equipment is connected with the wiring terminal of the test tool through a wire.
By adopting the technical scheme, the method has the following beneficial effects:
the utility model provides a test fixture and test system, when using, can place the objective platform with the device to be tested on, make the device circuit board up, be connected terminal and test equipment, the contact that the davit made probe and device circuit board moves down can switch on the circuit, tests, and convenient operation has improved efficiency of software testing, need not at the contact welding lead of device circuit board, has reduced the damage rate of product.
Drawings
The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:
fig. 1 is a perspective view of a test fixture according to an embodiment of the present invention at a first viewing angle;
fig. 2 is a perspective view of a test fixture at a second viewing angle according to an embodiment of the present invention;
FIG. 3 is a perspective view of a support column having a guide rail with a guide rail rack thereon;
FIG. 4 is an assembly schematic of the button, gear and boom slide;
FIG. 5 is a schematic structural view of a probe assembly;
FIG. 6 is a schematic view of the probe, post and insulator mounting;
FIG. 7 is a perspective view of the thread-through clasp;
fig. 8 is a schematic diagram of a test system according to an embodiment of the present invention.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1-2 and fig. 5, an embodiment of the present invention provides a test tool 100, which includes a stage 1, a support column 2, a suspension arm 3, and a probe assembly 4.
The probe assembly 4 includes an insulator 41, a probe 42, and a post 43.
The insulator 41 is connected with the boom 3, the upper end of the probe 42 is positioned in the insulator 41, the lower end of the probe 42 extends out of the lower part of the insulator 41, the lower end of the post 43 is positioned in the insulator 41 and connected with the probe 42, and the upper end of the post 43 extends out of the upper part of the insulator 41.
The utility model provides a test fixture 100 for the device circuit board and the test equipment of connecting the device under test.
The test tool 100 comprises an object platform 1, a support column 2, a suspension arm 3, a probe assembly 4 and the like.
The lower extreme of support column 2 is installed on objective platform 1, and davit 3 is connected on support column 2. The suspension arm 3 is connected with the support column 2 in a sliding mode, and the suspension arm 3 can move up and down along the support column 2 to adjust the position. According to the requirements, a lock pin can be arranged on the suspension arm 3, and the suspension arm 3 is locked with the support column 2 after being adjusted to the right position. The probe assembly 4 is mounted on the boom 3. Vertical sliding pairs can be arranged between the suspension arms 3 and the support columns 2, and the suspension arms 3 can be sleeved on the support columns 2 as long as the suspension arms and the support columns can be adjusted in the vertical direction.
The probe assembly 4 includes an insulator 41, two probes 42, and two posts 43. The insulator 41 is connected to the boom 3. Two probes 42 and two terminals 43 are spaced apart on the insulator 41, and one terminal 43 is connected to the top of each probe 42. The probe 42 and/or the post 43 are fixedly connected to the insulator 41. The upper end of the probe 42 is in the insulator 41 and the lower end of the probe 42 extends below the insulator 41. The lower end of the post 43 is in the insulator 41 and connected to the probe 42, and the upper end of the post 43 protrudes above the insulator 41.
The probes 42 are used to make electrical contact with the contacts of the device circuit board. The wiring terminal 43 is welded with a lead wire to be connected with the test equipment through a wire, so that the circuit conduction is realized.
The utility model provides a test fixture and test system, when using, can place cargo platform 1 with the device on, the device circuit board up is connected terminal 43 and test equipment, and 3 messenger probes 42 of removal davit make contact with the contact of device circuit board downwards, can switch on the circuit, tests, and convenient operation has improved efficiency of software testing, need not to weld the lead wire at the contact of device circuit board, has reduced the damage rate of product.
According to the requirement, a corresponding identification area can be marked on the carrying platform 1, and a device can be placed, so that the circuit board of the device can be conveniently determined to be positioned under the probe 42.
In one embodiment, as shown in fig. 1-4, boom 3 includes a boom body 31 and a boom slider 32 connected to boom body 31, with an insulator 41 connected to boom body 31.
A vertically extending guide rail 21 is provided on the support column 2, and a sliding groove 321 for matching with the guide rail 21 is provided on the suspension arm sliding block 32.
The guide rail 21 is clearance-fitted in the slide groove 321.
In this embodiment, the suspension arm 3 is connected to the support column 2 by a sliding pair composed of guide rail sliding blocks. The guide rail 21 is provided on the support column 2 and extends in the vertical direction. The boom 3 includes a boom main body 31 and a boom slider 32, the boom slider 32 is connected to one end or one side of the boom main body 31, and the insulator 41 is connected to the boom main body 31.
The side of the boom slide 32 facing the guide rail 21 has a slide groove 321 thereon, and the guide rail 21 is clearance-fitted in the slide groove 321 to guide the linear sliding of the boom 3.
According to the requirement, the guide rail 21 can be set to be a T-shaped guide rail, the sliding groove 321 is set to be a T-shaped sliding groove, the matching stability of the guide rail and the sliding groove is good, and the sliding block 32 can be prevented from transversely separating from the guide rail 21. Alternatively, ribs may be disposed on both left and right sides of the guide rail 21, and slots may be formed on both side walls of the sliding groove 321, and the ribs may be in clearance fit with the slots, thereby preventing the slider 32 from being separated from the guide rail 21 in the transverse direction.
In one embodiment, as shown in fig. 1-4, rail 21 has a vertically extending rail rack 211 thereon.
The outer side of the suspension arm sliding block 32 is provided with a knob 5, and the sliding groove 321 is provided with a gear 6.
The knob rotating shaft 51 of the knob 5 is pivotally connected to the boom slider 32, and one end of the knob rotating shaft 51 extends into the sliding slot 321 and is connected to the gear 6.
The gear 6 is engaged with the guide rail rack 211.
In this embodiment, the adjustable suspension arm 3 moves and adjusts on the support column 2 through the combination of the knob 5, the gear 6 and the guide rail 211.
A rail rack 211 is disposed between the upper and lower ends of the rail 21. The knob 5 is installed on the outer side of the suspension arm sliding block 32 through a knob rotating shaft 51, so that the operation of a user is facilitated. The knob shaft 51 is mounted on the boom slider 32 through a bearing. The gear 6 is in the slide slot 321 to engage with the rail rack 211 entering the slide slot 321. One end of the knob shaft 51 extends into the sliding slot 321 and is connected with the gear 6, so as to drive the gear 6 to rotate.
When a user rotates the knob 5 forward, the knob rotating shaft 51 drives the gear 6 to rotate forward, the gear 6 moves upward on the guide rail rack 211, and then the boom 3 is driven to ascend, and finally the probe 42 is driven to ascend. Otherwise, the probe 42 is driven to descend.
In one embodiment, as shown in fig. 1-2, the boom main body 31 includes a main body vertical plate 311 and a main body horizontal plate 312 connected to a lower end of the main body vertical plate 311, and the main body horizontal plate 312 is connected to the main body vertical plate 311 in an L shape.
The main body vertical plate 311 is connected with the boom slider 32, and the insulator 41 is mounted on the bottom of the main body horizontal plate 312.
In this embodiment, the boom main body 31 is an L-shaped structure, and is convenient to assemble with the boom sliding block 32 and the insulator 41. The main horizontal plate 312 and the main vertical plate 311 are integrally formed into an L-shaped structure, and the main horizontal plate 312 is connected to the lower end of the main vertical plate 311.
The main body vertical plate 311 is connected to the vertically extending boom slider 32, the insulator 41 is mounted on the bottom of the main body horizontal plate 312, and one end of the insulator 41 extends out of the main body horizontal plate 312.
In one embodiment, as shown in FIG. 6, the insulator 41 has a mounting through hole 411.
The post 43 is fixed in the mounting through-hole 411, the post 43 has a post groove 431 opened downward, and the elastic piece 44 is mounted in the post groove 431.
The upper end of the probe 42 is slidably fitted in the post groove 431, and the elastic member 44 is coupled to the upper end of the probe 42.
In this embodiment, the main body portion of the stud 43 is fixed in the mounting through-hole 411, and the upper end of the stud 43 protrudes above the mounting through-hole 411 for soldering wiring. The post 43 has a post recess 431 therein, and an opening of the post recess 431 is at a lower end of the post 43. The upper end of the probe 42 is clearance fitted in the post groove 431, and the probe 42 is vertically retractable with respect to the post 43. The elastic member 44 is installed in the post groove 431, and the elastic member 44 is connected between the upper end of the probe 42 and the top surface of the post groove 431 to provide a buffering function to the probe 42.
The elastic member 44 may be a spring or a leaf spring. In a normal state, the elastic member 44 acts to extend the probe 42 downward. When the probe 42 is moved downward to contact the device circuit board, the probe 42 is moved upward by the reaction force of the device circuit board, preventing the probe 42 from making hard contact with the device circuit board.
In one embodiment, as shown in fig. 1-2 and 7, a threading buckle 7 is mounted on the top surface of the boom 3 to fix the wire between the binding post 43 and the testing equipment.
The threading buckle 7 comprises a bottom plate 71 and two arc-shaped bent plates 72, wherein the two arc-shaped bent plates 72 are arranged at two ends of the bottom plate 71. A wire passing hole is formed between the arc-shaped bent plate 72 and the bottom plate 71, and a notch can be formed on one side of the arc-shaped bent plate 72 so as to place a lead into the wire passing hole from the notch.
The base plate 71 is mounted on the boom 3, specifically, the base plate 71 is mounted on top of the body cross plate 312. The lead between the wiring terminal 43 and the testing equipment passes through the wire passing holes between the two arc-shaped bent plates 72 and the bottom plate 71, and the lead is limited by the wire passing holes, so that the lead is prevented from falling off to influence the operation of the probe 42.
In one embodiment, as shown in fig. 1-2, a reinforcing column 8 is connected between the lower part of the supporting column 2 and the carrier platform 1, which helps to improve the stability of the supporting column 2 mounted on the carrier platform 1.
In one embodiment, as shown in fig. 1-2, the reinforcement column 8 includes a vertically extending reinforcement column main body 81 and a reinforcement column extension plate 82 connected to a lower end of the reinforcement column main body 81, and the reinforcement column extension plate 82 is connected to the reinforcement column main body 81 in an L-shape.
The reinforcing column extension plate 82 is connected to the carrier platform 1, and the reinforcing column main body 81 is connected to the supporting column 2.
In this embodiment, the reinforcing column 8 is formed by integrally forming a reinforcing column main body 81 and a reinforcing column extension plate 82 into an L-shaped structure, the reinforcing column extension plate 82 is connected with the object platform 1, and the reinforcing column main body 81 is connected with the supporting column 2, so that the structural strength is high and the stability is good.
In one embodiment, the insulator 41 is a teflon block, which has good insulating properties and a certain structural strength and is suitable for mounting the probe 42.
As shown in fig. 8, an embodiment of the present invention provides a test system, which includes a test device 200 and the test tool 100 according to any of the foregoing embodiments. The testing device 200 is connected to the post 43 of the testing tool 100 through a wire 300.
The test apparatus 200 is an existing apparatus for testing electrical parameters of a device, and is an existing product, and the operation principle thereof is not described herein again.
The test equipment 200 and the two terminals 43 of the test fixture 100 are connected by wires 300.
For the structure, structure and operation principle of the test fixture 100, please refer to the description of the test fixture 100, and the description thereof is omitted here.
According to the needs, the above technical schemes can be combined to achieve the best technical effect.
What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.
Claims (10)
1. A test tool is characterized by comprising an object carrying platform, a support column, a suspension arm and a probe assembly;
the supporting column is vertically arranged on the carrying platform, and the suspension arm is connected with the supporting column in a sliding manner;
the probe assembly comprises an insulator, a probe and a binding post;
the insulator is connected with the suspension arm, the upper end of the probe is positioned in the insulator, the lower end of the probe extends out of the lower part of the insulator, the lower end of the binding post is positioned in the insulator and is connected with the probe, and the upper end of the binding post extends out of the upper part of the insulator.
2. The test tool of claim 1, wherein the boom comprises a boom body and a boom slider connected to the boom body, and the insulator is connected to the boom body;
a guide rail extending vertically is arranged on the supporting column, and a sliding groove matched with the guide rail is formed in the suspension arm sliding block;
the guide rail is in clearance fit in the sliding groove.
3. The test tool according to claim 2, wherein the guide rail is provided with a vertically extending guide rail rack;
a knob is arranged on the outer side of the suspension arm sliding block, and a gear is arranged in the sliding groove;
a knob rotating shaft of the knob is pivotally connected with the suspension arm sliding block, and one end of the knob rotating shaft extends into the sliding groove and is connected with the gear;
the gear is meshed with the guide rail rack.
4. The test tool according to claim 2, wherein the boom main body comprises a main body vertical plate and a main body transverse plate connected to the lower end of the main body vertical plate, and the main body transverse plate is connected with the main body vertical plate to form an L shape;
the main body vertical plate is connected with the suspension arm sliding block, and the insulator is installed at the bottom of the main body transverse plate.
5. The test tool according to claim 1, wherein the insulator has a mounting through hole therein;
the wiring terminal is fixed in the mounting through hole and provided with a wiring terminal groove with a downward opening, and an elastic piece is mounted in the wiring terminal groove;
the upper end of the probe is slidably mounted in the wiring terminal groove, and the elastic piece is connected with the upper end of the probe.
6. The test tool according to claim 1, wherein a threading buckle is mounted on the top surface of the boom.
7. The test tool according to claim 1, wherein a reinforcing column is connected between the lower portion of the support column and the carrier platform.
8. The test tool according to claim 7, wherein the reinforcing column comprises a vertically extending reinforcing column main body and a reinforcing column extension plate connected to a lower end of the reinforcing column main body, and the reinforcing column extension plate is connected with the reinforcing column main body to form an L shape;
the reinforced column extension plate is connected with the carrying platform, and the reinforced column main body is connected with the support column.
9. The test fixture of claim 1, wherein the insulator is a polytetrafluoroethylene block.
10. A test system comprising test equipment and the test tool of any one of claims 1-9;
the test equipment is connected with the wiring terminal of the test tool through a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221171238.7U CN217766517U (en) | 2022-05-16 | 2022-05-16 | Test tool and test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221171238.7U CN217766517U (en) | 2022-05-16 | 2022-05-16 | Test tool and test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217766517U true CN217766517U (en) | 2022-11-08 |
Family
ID=83885284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221171238.7U Active CN217766517U (en) | 2022-05-16 | 2022-05-16 | Test tool and test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217766517U (en) |
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2022
- 2022-05-16 CN CN202221171238.7U patent/CN217766517U/en active Active
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