CN218331839U - Test equipment - Google Patents

Abstract

The utility model provides a test equipment relates to testing arrangement technical field. The testing equipment comprises a support, a testing board clamp, a button pressure rod, a power supply, a button switch and a testing needle, wherein the testing needle comprises an anode needle and a cathode needle, and the power supply, the anode needle and the cathode needle are connected to form a testing circuit; the button pressing rod and the test plate clamp are both arranged on the bracket and can synchronously move relative to the bracket, the test plate clamp is used for connecting the electric socket of the test plate with the test needle, and the button pressing rod is pressed on the button switch to close the button switch under the condition that the test plate clamp is in a clamping state; when the test board holder is in the released state, the button pressing rod releases the button switch to make the button switch in the off state. The utility model provides a test device, which can test when the test board clamp is in a clamping state; when the test board clamp is in a relaxed state, the test board is disconnected with the power supply, so that a tester can conveniently and safely take and place the test board, and the short circuit risk among the test pins is reduced.

Description

Test equipment

Technical Field

The utility model relates to a testing arrangement technical field especially relates to a test equipment.

Background

The electronic mainboard needs to be subjected to complex product function test before leaving a factory, and the electronic mainboard test equipment needs to fix a product on one hand so that the electronic mainboard cannot move in the whole test process; on the other hand, some input/output signals required by the test of the electronic motherboard need to be butted with a specific input/output port of the electronic motherboard through the test equipment.

In the current common test equipment, a test board clamp enables a test pin on the test equipment to be in butt joint with a power interface on a test board, and power-on is completed by controlling a power switch on the test equipment. Usually, power switch only opens and closes two kinds of states, if do not in time close the power after the test is accomplished, then the test needle on the test equipment is in charged state, has the short circuit risk, influences the detection progress.

SUMMERY OF THE UTILITY MODEL

The utility model provides a test equipment for solve among the prior art test equipment and take place the defect that the short circuit influences efficiency of software testing easily.

The utility model provides a test equipment, include: the test device comprises a support, a test plate clamp, a button pressure rod, a power supply, a button switch and a test needle, wherein the test needle comprises a positive pole needle and a negative pole needle, and the power supply, the positive pole needle and the negative pole needle are connected to form a test circuit; the button pressing rod and the test board clamp are both arranged on the bracket and can synchronously move relative to the bracket, wherein the test board clamp is used for connecting an electric socket of a test board with a test needle, and the button pressing rod is pressed on the button switch to close the button switch under the condition that the test board clamp is in a clamping state; with the test plate holder in a relaxed state, the button plunger releases the button switch to place the button switch in an off state.

According to the utility model provides a pair of test equipment, the button depression bar includes the body of rod and press, the body of rod is fixed in test board anchor clamps, press threaded connection in the one end of the body of rod, the press is kept away from the one end of the body of rod is equipped with the press surface.

According to the utility model provides a pair of test equipment, survey test panel anchor clamps and include driving piece, fixed plate and depression bar, the driving piece with the fixed plate links to each other with the drive the fixed plate is followed the direction of height of support removes, the depression bar is fixed in the fixed plate orientation one side of test needle.

According to the utility model provides a pair of test equipment, the depression bar is a plurality of, and is a plurality of the depression bar links to each other in order and is triangle-shaped or quadrangle.

According to the utility model provides a pair of test equipment, the driving piece includes handle and push rod, the handle articulate in the support, push rod slidable mounting in the support, wherein, the one end of push rod with fixed plate fixed connection, the other end with the handle links to each other with follow under the effect of handle the direction of height of support removes.

According to the utility model provides a pair of test equipment still includes the guide cylinder, the guide cylinder is fixed in the support, the push rod is inserted and is established in the guide cylinder and can follow the axial displacement of guide cylinder.

According to the utility model provides a pair of test equipment, the support with one in the push rod is equipped with the guide way, and another is equipped with the guide block, but guide block slidable mounting in the guide way.

According to the utility model provides a pair of test equipment, the support includes base, guide bar and mounting bracket, test circuit sets up on the base, the test needle expose in the base so that with the test board electricity cooperation, the guide bar is fixed in the base, the fixed plate cover is located the guide bar can be followed the axial displacement of guide bar.

According to the utility model provides a pair of test equipment, the mounting bracket includes support body and mounting panel, the support body is fixed in the base, the mounting panel is the L template, the diaphragm of L template is fixed in the top of support body, driving piece setting in the test plate anchor clamps is in on the riser of L template.

According to the utility model provides a pair of test equipment still includes the inductance, the inductance establish ties in test circuit.

The utility model provides a test device, test board anchor clamps and button depression bar synchronous motion, under the circumstances that test board anchor clamps are in the clamping state, the test board links to each other with the power, can test; under the condition that test panel anchor clamps are in the relaxed state, test panel and power disconnection make things convenient for the tester to get safely and put the test panel, can also reduce the risk of short circuit between the test needle.

Drawings

In order to illustrate the technical solutions of the present invention or the prior art more clearly, the drawings used in the following embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a perspective view of a test apparatus provided by the present invention;

fig. 2 is a circuit structure diagram of the test circuit provided by the present invention;

fig. 3 is a cross-sectional view of the button pressing rod provided by the present invention.

Reference numerals:

10. a support; 11. a base; 12. a guide rod; 13. a mounting frame; 15. a frame body; 16 mounting plates;

20. a test plate fixture; 21. a drive member; 22. a handle; 23. a push rod; 24. a fixing plate; 25. a pressure lever; 26. a guide cylinder;

30. a button pressing rod; 31. a rod body; 32. a pressing member;

40. a power source; 50. a push-button switch; 60. a test pin; 61. a positive electrode needle; 62. a negative pole needle; 70. a power switch; 80. an inductance.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

The features of the terms first and second in the description and in the claims of the present invention may explicitly or implicitly include one or more of these features. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The testing device of the present invention is described below with reference to fig. 1-3.

An embodiment of the utility model provides a test equipment, as shown in fig. 1, it includes support 10, test panel anchor clamps 20, button depression bar 30, power 40, button switch 50 and test needle 60. The test pin 60 includes a positive pin 61 and a negative pin 62, as shown in fig. 2, the power source 40, the positive pin 61 and the negative pin 62 are connected to form a test circuit, and the power switch 70 and the button switch 50 are disposed on the test circuit. Button press 30 and test plate holder 20 are both mounted to frame 10 and are capable of synchronous movement relative to frame 10, wherein test plate holder 20 is used to connect the electrical socket of the test plate to positive pins 61 and negative pins 62. With the test board fixture 20 in the clamped state, the button pressing lever 30 is pressed against the button switch 50 to close the button switch 50; with test plate holder 20 in the relaxed state, button press 30 releases button switch 50 to open button switch 50.

The power source 40 may be located within the stand 10 or may be located alongside the stand 10. The button switch 50 is externally disposed on the stand 10 and electrically connected to the power source 40. The test pin 60 is disposed at the bottom of the holder 10. Optionally, the bracket 10 is provided with a groove which is formed by sinking downwards, and the test pin 60 is located at the bottom of the groove. When the test board is matched with the test needles 60, the periphery of the test board is limited by the groove walls of the grooves.

During testing, the test board is placed on the support 10, the electric sockets of the test board are butted with the test pins 60, and the test board clamp 20 is switched to a clamping state, so that the test board and the test pins 60 are kept in good electric contact, and the conduction effect is prevented from being affected due to loose matching of part of the probes and the electric sockets. At the same time when the test board holder 20 is switched to the clamping state, the button press rod 30 is pressed against the button switch 50 to put the button switch 50 in the on state. After the test is completed, the test board fixture 20 is switched to the release state, and the button pressing rod 30 is away from the button switch 50 to make the button switch 50 in the off state. When the button switch 50 is in the on state by pressing the button pressing lever 30 against the button switch 50, a certain pressure is maintained between the button pressing lever 30 and the button switch 50, so that the button switch 50 is prevented from bouncing upward.

When the testing device is used, the positive pole pin 61 and the negative pole pin 62 are inserted into a power interface of the testing board to perfect a testing circuit to form a testing circuit, and at the moment, the power supply 40 and the testing board can be electrically connected or disconnected by controlling the on-off of the button switch 50. Specifically, the button press plate moves downward in synchronization with test plate holder 20, and button press 30 activates button switch 50 to close button switch 50 while test plate holder 20 electrically connects the test plate with test pins 60. In the case where the power switch 70 is connected in series to the test circuit, the power switch 70 is pressed to close both the power switch 70 and the push button switch 50, and the power source 40 can supply power to the test board. Under the condition that the power switch 70 is not arranged in the test circuit, the button pressing rod 30 triggers the button switch 50 to close the button switch 50, and then the test board can be electrically connected with the power supply 40.

After the test is completed, the button press plate and the test plate holder 20 move upward synchronously, and the button press rod 30 moves upward away from the button switch 50 while the test plate holder 20 is detached from the test plate, so that the button switch 50 returns to the off state. In the case where the test circuit is connected in series with the power switch 70, the test board and the power source 40 are in a non-conductive state regardless of whether the power switch 70 is closed. In the event that the power switch 70 is not provided in the test circuit, the push button switch 50 returns to the off state to disconnect the test board from the power source 40.

The embodiment of the utility model provides a test equipment, test board anchor clamps 20 and button depression bar 30 synchronous motion, under the circumstances that test board anchor clamps 20 are in the clamping state, the test board links to each other with power 40, can test; under the condition that test board clamp 20 is in a relaxed state, the test board is disconnected from power supply 40, so that a tester can conveniently and safely take and place the test board, and the risk of short circuit among test pins 60 can be reduced.

In one embodiment of the present invention, the button pressing rod 30 comprises a rod 31 and a pressing member 32, wherein the rod 31 is fixed to the test board holder 20 to move up and down with the test board holder 20. The pressing piece 32 is connected to one end of the rod body 31 in a threaded mode, and one end, far away from the rod body 31, of the pressing piece 32 is provided with a pressing surface.

As shown in fig. 1 and 3, one end of the rod 31 is fixed to the test fixture, and the other end of the rod 31 is threadedly coupled to the pressing member 32. The rod body 31 moves with the up and down movement of the test fixture, thereby bringing the pressing surface of the pressing piece 32 into contact with or away from the push switch 50. The pressing surface and the button switch 50 provided on the bracket 10 are vertically disposed in a corresponding manner in the same vertical direction. The rod body 31 is provided with external threads, the pressing piece 32 is a nut or a structural piece provided with a threaded hole, and the rod body 31 is in threaded connection with the pressing piece 32 so as to be adjusted when the equipment is debugged. Alternatively, the pressing member 32 is a cylinder or other structure having a pressing surface.

The embodiment of the utility model provides a test equipment, button depression bar 30 include the body of rod 31 and the pressing part 32, and pressing part 32 and the body of rod 31 threaded connection can adjust the threaded connection length of pressing part 32 and the body of rod 31 through revolving soon to the height of adjustment press surface, convenient debugging.

In an embodiment of the present invention, the testing board clamp 20 includes a driving member 21, a fixing plate 24 and a pressing rod 25, the driving member 21 is connected to the fixing plate 24 to drive the fixing plate 24 to move along the height direction of the support 10, and the pressing rod 25 is fixed on one side of the fixing plate 24 facing the testing needle 60.

As shown in fig. 1, the fixing plate 24 is parallel to the base 11 of the bracket 10, and can move up and down in the height direction of the bracket 10 under the driving of the driving member 21. The upper end of the rod 31 is perpendicular to and fixedly connected with the fixing plate 24, so that the button pressing rod 30 moves along with the fixing plate 24. Optionally, the driving member 21 is a manual driving member 21 with a self-locking mechanism or an electric driving structure capable of automatic driving.

After the test board is butted with the test pins 60, the driving member 21 drives the fixing plate 24 to move down, and drives the pressing rod 25 to press the end of the pressing rod 25 on the test board. Under the action of the drive member 21, the plunger 25 applies pressure to the test plate, thereby maintaining the test plate in good electrical contact with the test pins 60. In order to make the test board stressed uniformly, the plurality of pressure levers 25 can be arranged, and the plurality of pressure levers 25 are arranged on the fixing plate 24 in a staggered manner and are connected in sequence to form a quadrangle or a triangle. Specifically, as shown in fig. 1, there are four pressing rods 25, and the four pressing rods 25 are sequentially connected to form a square shape, so as to jointly move downwards to form a pressing surface, thereby avoiding the pressing operation. Alternatively, four pressing rods 25 are provided at four corners of the fixing plate 24, and press four corners of the test board when pressed.

The embodiment of the utility model provides a test equipment can make fixed plate 24 remove along the direction of height of support 10 through driving piece 21 to it surveys test panel to drive depression bar 25 fixed.

In an alternative embodiment of the present invention, the driving member 21 comprises a handle 22 and a push rod 23, the handle 22 is hinged to the bracket 10, and the push rod 23 is slidably mounted on the bracket 10. Wherein, one end of the push rod 23 is fixedly connected with the fixing plate 24, and the other end is connected with the handle 22 to move along the height direction of the bracket 10 under the action of the handle 22.

As shown in fig. 1, the handle 22 is pulled downwards, the push rod 23 moves downwards relative to the bracket 10, and the fixing plate 24 fixedly installed at one end of the push rod 23 moves downwards along with the push rod, so as to drive the press rod 25 to be pressed on the test board; while the button presser 30 is pressed against the button switch 50 to turn off the button switch 50. After the detection is finished, the handle 22 is pulled upwards, the push rod 23 drives the fixing plate 24 and the press rod 25 to move upwards, and meanwhile, the press rod 30 of the button is far away from the button switch 50, so that the test board is taken out safely, and the short circuit of the test circuit can be effectively prevented.

In another alternative embodiment of the present invention, the driving member 21 includes a linear motor, and a motor shaft of the linear motor is connected to the fixing plate 24 or the linear motor is connected to the fixing plate 24 through a transmission mechanism. The fixing plate 24 moves up and down in the height direction of the stand 10 by the linear motor. It will be appreciated that the linear motor may be connected directly to the fixed plate 24 or to the fixed plate 24 by means of a push rod 23 slidably mounted on the carriage 10.

On the basis of the above embodiment, optionally, the testing apparatus further includes a guide cylinder 26, the guide cylinder 26 is fixed to the support 10, and the push rod 23 is inserted in the guide cylinder 26 and can move along the axial direction of the guide cylinder 26.

In an alternative embodiment, as shown in fig. 1, the push rod 23 is a cylindrical rod, and correspondingly, the guide cylinder 26 has a cylindrical hole inside. In a further alternative embodiment, the push rod 23 is a square rod, and correspondingly, the cross section of the inner through hole of the guide cylinder 26 is square. The embodiment of the utility model provides a do not specifically prescribe a limit to the shape of push rod 23 and guide cylinder 26, as long as the shape of push rod 23 is unanimous with the inside through-hole shape of guide cylinder 26 can.

The embodiment of the utility model provides a test equipment, push rod 23 insert and establish in guide cylinder 26, lead with the help of guide cylinder 26.

On the basis of the above embodiment, it is also optional that one of the bracket 10 and the push rod 23 is provided with a guide groove, and the other is provided with a guide block, and the guide block is slidably mounted in the guide groove.

Optionally, the guide slot is a dovetail slot, the guide block is in a long-strip-shaped wedge-shaped structure, and the guide block is inserted into the guide slot. Specifically, the bracket 10 is provided with a guide groove, and one side of the push rod 23 is provided with a guide block, so that the push rod 23 moves along the extension direction of the guide groove under the driving of the driving member 21. Or, the bracket 10 is provided with a guide block, the push rod 23 is provided with a guide groove, and the guide block is slidably mounted in the guide groove.

The embodiment of the utility model provides a test equipment reciprocates with the help of the guide block and the guide way guide push rod 23 of mutually supporting, and simple structure avoids reciprocating the in-process and takes place the incline.

In an embodiment of the present invention, the bracket 10 includes a base 11, a guide bar 12 and a mounting frame 13. The test circuit is disposed on the base 11, and the test pins 60 are exposed from the base 11 to electrically engage with the test board. The guide rod 12 is fixed on the base 11, and the fixing plate 24 is sleeved on the guide rod 12 and can move along the axial direction of the guide rod 12.

As shown in fig. 1, two guide rods 12 are provided, and the two guide rods 12 are connected with the push rod 23 to form a triangle. The guide rod 12 is a cylindrical rod, and the fixing plate 24 is sleeved on the cylindrical rod. Of course, the guiding rod 12 can also be a square rod, and correspondingly, the fixing plate 24 is provided with a square hole, which is matched with the square rod.

The embodiment of the utility model provides a test equipment, guide bar 12 are fixed on base 11, and 24 covers of fixed plate are established on guide bar 12 to guide fixed plate 24's moving direction. And the guide rod 12 is matched with the guide cylinder 26 of the guide push rod 23, so that the movement of the fixing plate 24 is more stable.

On the basis of the above embodiment, the mounting frame 13 includes a frame body 15 and a mounting plate 16, and the frame body 15 is fixed to the base 11. The mounting panel 16 is the L template, and the diaphragm of L template is fixed in the top of support body 15, and driving piece 21 sets up on the riser of L template.

Specifically, the frame body 15 is a U-shaped frame, and the U-shaped frame is flip-mounted on the base 11, so that a moving space for the fixing plate 24 is formed on the upper surface of the base 11 and the top bracket 10 of the U-shaped frame. Wherein, the guide cylinder 26 is fixedly arranged on the vertical plate of the L-shaped plate, and the handle 22 is arranged on the vertical plate of the L-shaped plate and is hinged with one end of the push rod 23.

On the basis of any of the above embodiments, as shown in fig. 2, the testing apparatus further includes an inductor 80, and the inductor 80 is connected in series to the testing circuit.

Under the condition that the test circuit is connected with the power switch 70 in series, the surge voltage generated at the moment when the power switch 70 and the button switch 50 are closed is avoided, and the function of a product is prevented from being influenced. In the case where the test circuit is not connected in series with the power switch 70, a large surge voltage is generated at the moment when the push switch 50 is closed, and the inductor 80 can prevent the test board from being damaged by the surge voltage.

The embodiment of the utility model provides a test equipment, through series connection inductance 80 on test circuit, the surge voltage who avoids going up the electricity and produce in the twinkling of an eye punctures and surveys test panel.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. A test apparatus, comprising: the test device comprises a support, a test plate clamp, a button pressure rod, a power supply, a button switch and a test needle, wherein the test needle comprises a positive pole needle and a negative pole needle, and the power supply, the positive pole needle and the negative pole needle are connected to form a test circuit; the button pressing rod and the test board clamp are both arranged on the support and can synchronously move relative to the support, the test board clamp is used for connecting the electric socket of the test board with the test needle, and the button pressing rod is pressed on the button switch to close the button switch under the condition that the test board clamp is in a clamping state; when the test board clamp is in a relaxed state, the button pressing rod releases the button switch so that the button switch is in an off state.

2. The test apparatus of claim 1, wherein the button pressing rod comprises a rod body and a pressing member, the rod body is fixed to the test board fixture, the pressing member is screwed to one end of the rod body, and one end of the pressing member, which is far away from the rod body, is provided with a pressing surface.

3. The test apparatus of claim 1, wherein the test plate fixture comprises a driving member, a fixing plate, and a pressing rod, the driving member is connected to the fixing plate to drive the fixing plate to move along the height direction of the rack, and the pressing rod is fixed to a side of the fixing plate facing the test needles.

4. The test equipment as claimed in claim 3, wherein the number of the compression bars is plural, and the plural compression bars are connected in sequence to form a triangle or a quadrangle.

5. The testing apparatus of claim 3, wherein the driving member comprises a handle hinged to the bracket and a push rod slidably mounted to the bracket, wherein one end of the push rod is fixedly connected to the fixing plate, and the other end of the push rod is connected to the handle to move along the height direction of the bracket under the action of the handle.

6. The test apparatus according to claim 5, further comprising a guide cylinder fixed to the support, wherein the push rod is inserted into the guide cylinder and is movable in an axial direction of the guide cylinder.

7. The test apparatus of claim 5, wherein one of the carriage and the pusher is provided with a guide slot and the other is provided with a guide block, the guide block being slidably mounted in the guide slot.

8. The test apparatus of claim 1, wherein the holder includes a base, a guide rod and a mounting frame, the test circuit is disposed on the base, the test pin is exposed out of the base to electrically engage with the test board, the guide rod is fixed to the base, and the fixing plate is sleeved on the guide rod and can move along an axial direction of the guide rod.

9. The test equipment of claim 8, wherein the mounting bracket comprises a bracket body and a mounting plate, the bracket body is fixed on the base, the mounting plate is an L-shaped plate, a transverse plate of the L-shaped plate is fixed on the top of the bracket body, and a driving piece in the test plate clamp is arranged on a vertical plate of the L-shaped plate.

10. The test apparatus of any one of claims 1 to 9, further comprising an inductor, the inductor being connected in series with the test circuit.

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