CN219201700U - Manual test fixture of multipurpose power device - Google Patents

Abstract

A multipurpose manual power device testing clamp comprises a clamp substrate, a clamp flip and a detection probe; the structure of the clamp flip cover comprises: a clamp flip frame; a clamp flip handle rotatably connected to the side wall of the clamp flip frame; the lower end of the side wall of the clamp flip handle is fixedly connected with a guide rod, and the guide rod is connected in an arc-shaped groove formed in the clamp flip rack in a sliding manner; the side wall of the clamp flip handle is connected with a reversing connecting rod assembly, and the other end of the reversing connecting rod assembly is connected with a pressing plate. The utility model has compact and reasonable structure and convenient operation, can cover the clamp flip cover on the clamp substrate by manually pressing the clamp flip cover, realizes partial sealing, simultaneously continuously presses the clamp flip cover, can press down and fix the tested device through the reversing connecting rod assembly and the pressing plate, can realize the fixed detection effect on different tested devices by changing different pressing plates and detection probes, and has strong practicability and universality.

Description

Manual test fixture of multipurpose power device

Technical Field

The utility model relates to the technical field of chip detection equipment, in particular to a multipurpose manual power device testing clamp.

Background

When detecting chip devices, the devices are usually clamped by a clamp, and a heating device is often required to heat the devices in order to simulate actual working conditions. And then the detection device detects the device. When detecting a large number of devices packaged in different ways, in order to ensure the testing efficiency, a fixture is generally required to accurately and rapidly clamp and switch the devices, so as to ensure the connection accuracy and reliability in the testing process.

The existing devices are various in types, different in packages and different in overall dimension, pin type and pin height, and the existing manual clamp detection mode is mainly used for designing a special clamp for the device packaged in a certain size to clamp the device, and then testing is conducted. Different test fixtures are designed for the test conditions of heating and normal temperature.

The existing manual test fixture commonly used is mainly connected with a detection probe of a detection device by utilizing an elbow clamp, the device is placed on a limiting device on a bottom plate, a handle is pressed down to drive the detection probe to move downwards to be in contact with the device, and the manual test on the performance of the device is realized by applying different voltages and currents to the detection probe.

The manual test fixture has the advantages of simple structure and low cost. The device has the advantages that the device is pressed down in an elbow clamping mode, the operation space is small, the replacement of the device is inconvenient, the pressing force is small, the device cannot be suitable for detecting the device with more pins, and the device can only be detected at normal temperature generally, so that the detection process of devices with different temperature test conditions cannot be realized.

At the same time, the following problems are also present:

the existing manual test fixture is strong in special purpose and is not suitable for test devices of different packages.

In normal temperature, the test is performed, and different temperature test conditions required by the detection of the power device cannot be provided.

The existing test fixture is small in operation space and cannot conveniently take and put devices. The down force is smaller, the pressure uniformity is poor, and the detection of the multi-pin device can not be realized.

In order to improve the universality of the clamp, reduce the cost and improve the detection efficiency, a multipurpose manual power device testing clamp needs to be designed.

Disclosure of Invention

The applicant provides a multipurpose power device manual test fixture aiming at the defects in the prior art, and the fixture flip handle is manually pressed down, so that the fixture flip cover can be covered on the fixture substrate to realize partial sealing, and meanwhile, the fixture flip handle is continuously pressed down, so that the tested device can be pressed down and fixed through the reversing connecting rod assembly and the pressing plate.

The technical scheme adopted by the utility model is as follows:

a multipurpose power device manual test fixture comprising:

a clamp substrate;

a clamp flip cover connected to the clamp substrate in a rotating manner;

the detection probe is connected to the inner bottom wall of the clamp substrate and used for placing and detecting the tested device;

the structure of the clamp flip cover comprises:

a clamp flip frame;

a clamp flip handle rotatably connected to the side wall of the clamp flip frame;

the lower end of the side wall of the clamp flip handle is fixedly connected with a guide rod, and the guide rod is connected in an arc-shaped groove formed in the clamp flip rack in a sliding manner;

the side wall of the clamp flip handle is connected with a reversing connecting rod assembly which converts acting force in other directions into acting force in the vertical direction, and the other end of the reversing connecting rod assembly is connected with a pressing plate which applies pressure to a tested device.

It is further characterized by:

and the two inner side walls of the clamp substrate are respectively connected with a nitrogen spring in a rotating way, and the other ends of the nitrogen springs are connected to the side walls of the clamp flip cover.

The reversing connecting rod assembly comprises a connecting crank, a driving crank and a connecting rod which are connected with each other, the connecting rod is connected with the pressing plate, and the connecting rod is slidably connected in a linear bearing arranged on the clamp flip frame.

Guide grooves corresponding to the guide rods are formed in the inner wall of the clamp substrate, and the guide grooves are distributed in an L shape.

The pressing plate comprises a hot plate mounting base plate, a heat insulating plate and a heating plate which are connected with each other, so that the heating and fixing effects on the tested device are realized.

The pressing plate is a refrigeration plate or a water-cooling plate.

The clamp flip frame is provided with a locking device capable of limiting the clamp flip handle, the locking device comprises a locking pin, a bullnose bearing, a locking connecting rod and a reset spring, the locking connecting rod is inserted on the side wall of the clamp flip frame and is perpendicular to the clamp flip handle, one end of the locking connecting rod, extending out of the clamp flip frame, is connected with the bullnose bearing, the other end of the locking connecting rod is connected with the locking pin capable of being contacted with the clamp flip handle, and the locking connecting rod is sleeved with the reset spring which is simultaneously connected with the locking connecting rod and the clamp flip frame.

And grooves corresponding to the bullseye bearings are formed in the side walls of the clamp base plates.

The beneficial effects of the utility model are as follows:

the utility model has compact and reasonable structure and convenient operation, can cover the clamp flip cover on the clamp substrate by manually pressing the clamp flip cover, realizes partial sealing, simultaneously continuously presses the clamp flip cover, can press down and fix the tested device through the reversing connecting rod assembly and the pressing plate, can realize the fixed detection effect on different tested devices by changing different pressing plates and detection probes, and has strong practicability and universality.

Meanwhile, the utility model has the following advantages:

the advantage of this patent:

the manual test fixture device in the patent can test devices to be tested with different shapes, has strong universality and saves the space of a test site;

the manual testing fixture device has the advantages that the opening angle of the fixture flip cover is large, the operation space is large, the danger of operators in high-temperature testing is reduced, and the operation convenience is improved;

the manual test fixture device in the patent can provide large downward pressure and good pressure uniformity, and can meet the test requirements of the tested devices with multiple pins.

Different test conditions are provided by changing different detection probes, different heating plates and different refrigerating plates, and the tested devices with different external dimensions can be tested, so that the applicability of the manual test fixture is greatly improved.

The movement of the clamp flip device in the patent is divided into two processes of rotation and linear movement, so that the problems of small operation space and poor pressure uniformity of the traditional test clamp are solved;

drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural view of a folder cover of the clamp according to the present utility model.

Fig. 3 is a schematic top view of the locking device of the present utility model.

Fig. 4 is a schematic view of a partially cut-away structure of the present utility model with the clamp flip open.

Fig. 5 is a schematic view of a partial sectional structure of the present utility model in a state where the folder is closed.

Fig. 6 is a schematic view showing a partially sectional structure of the clamp flip handle in a depressed state in the present utility model.

Wherein: the device comprises a clamp flip 1, a clamp flip handle 1-1, a clamp flip frame 1-2, a locking device 1-3, a locking pin 1-3-1, a bull's eye bearing 1-3-2, a locking connecting rod 1-3-3, a reset spring 1-3-4, a guide rod 1-4, a connecting crank 1-5, a driving crank 1-6, a linear bearing 1-7, a hot plate mounting substrate 1-8, a heat insulating plate 1-9, a heating plate 1-10, a nitrogen spring 2, a clamp substrate 3, a guide groove 3-1, a groove 3-2, a detection probe 4 and a tested device 5.

Detailed Description

The following describes specific embodiments of the present utility model with reference to the drawings.

Example 1

As shown in fig. 1-2, the embodiment discloses a manual testing fixture for a multipurpose power device 5 to be tested, which comprises a fixture flip 1, a nitrogen spring 2, a fixture substrate 3 and a detection probe 4, wherein the inner bottom wall of the fixture substrate 3 is connected with the detection probe 4 for placing the device 5 to be tested and detecting the device 5 to be tested;

the inside wall upper end rotation of anchor clamps base plate 3 is connected with anchor clamps flip 1, and all rotates on two inside walls of anchor clamps base plate 3 and be connected with nitrogen spring 2, nitrogen spring 2 is one kind and utilizes the part of flushing nitrogen gas realization flexible, and the other end of nitrogen spring 2 is connected on the lateral wall of anchor clamps flip 1, nitrogen spring 2 provide the lifting force, offset the weight of anchor clamps flip 1, reduce tester's operating strength, to the pushing down of being surveyed device 5, guarantee the stability of contact, provide different test conditions, test probe 4 be used for the location to being surveyed device 5 and guarantee to be surveyed device 5 pin and test probe 4 be connected.

The clamp flip 1 device is a core part in the device, and mainly realizes stable pressing of the tested device 5 and provides testing conditions required by testing the tested device 5.

In the embodiment, the clamp flip 1 mechanism mainly comprises a clamp flip handle 1-1, a clamp flip rack 1-2, a guide rod 1-4, a reversing connecting rod assembly and a pressing plate;

the side wall of the movable end of the clamp flip frame 1-2 is rotationally connected with a clamp flip handle 1-1, the lower ends of the two side walls of the clamp flip handle 1-1 are fixedly connected with guide rods 1-4, the guide rods 1-4 are slidingly connected in arc grooves formed in the clamp flip frame 1-2, and the rotation of the clamp flip handle 1-1 can drive the guide rods 1-4 to slide in the arc grooves;

the two end side walls of the clamp flip handle 1-1 are respectively and rotatably connected with a reversing connecting rod assembly, the other end of the reversing connecting rod assembly is connected with a pressing plate, the reversing connecting rod assembly comprises a connecting crank 1-5, a driving crank 1-6 and a connecting rod which are mutually connected, the connecting rod is connected with the pressing plate, the connecting rod is slidably connected in a linear bearing 1-7 arranged on a clamp flip frame 1-2, and the reversing connecting rod assembly is driven to move along with the rotation of the clamp flip handle 1-1, so that the pressing plate is pressed down to provide test conditions required by a tested device 5;

the inner wall of the fixture base plate 3 is provided with guide grooves 3-1 corresponding to the guide rods 1-4, and the guide grooves 3-1 are distributed in an L shape and are divided into a horizontal section and a vertical section;

the clamp flip handle 1-1, the connecting crank 1-5, the driving crank 1-6 and the linear bearing 1-7 convert the rotation motion of the clamp flip handle 1-1 into the linear motion of the guide rod of the linear bearing 1-7.

The moving direction of the guide rod 1-4 in the L-shaped guide groove 3-1 mainly comprises the moving process along a vertical section and a horizontal section, the rotating motion around a shaft is carried out in the vertical section, and the clamp flip frame 1-2 is kept motionless in the horizontal section. The clamp flip handle 1-1 moves downwards to drive the heating plate 1-10 to press downwards, so that the tested device 5 and the detection probe 4 are in stable contact.

Example 2

Unlike embodiment 1, the pressing plate includes a heat plate mounting base plate 1-8, a heat insulating plate 1-9, and a heating plate 1-10 connected to each other, realizing a heating fixing effect on the device under test 5.

Example 3

Different from embodiment 1, when testing the tested device 5 with different shape and size, the testing device can be realized by replacing different detecting probes 4, and meanwhile, according to the testing requirements under different testing conditions, the pressing plate can be replaced by a refrigerating plate and a water cooling plate so as to meet the heat dissipation requirements in the high-temperature, low-temperature and power cycle testing process.

Example 4

As shown in fig. 3, unlike embodiment 1, in this embodiment, in order to achieve the effect of limiting the clamp flip handle 1-1, a locking device 1-3 is disposed on the clamp flip frame 1-2, the locking device 1-3 mainly includes a locking pin 1-3-1, a bullnose bearing 1-3-2, a locking connecting rod 1-3-3, and a return spring 1-3-4, the locking connecting rod 1-3 is inserted into a side wall of the clamp flip frame 1-2 and is disposed vertically to the clamp flip handle 1-1, one end of the locking connecting rod 1-3-3 extending out of the clamp flip frame 1-2 is connected with the bullnose bearing 1-3-2, the bullnose bearing 1-3-2 mainly serves to reduce friction force between a movement process and the clamp substrate 3, the other end of the locking connecting rod 1-3-3 is connected with the locking pin 1-3-1 capable of contacting the clamp flip handle 1-1, and simultaneously the locking connecting rod 1-3-3 is also sleeved with the return spring 1-3-3 capable of simultaneously connecting the locking connecting rod 1-3-3 and the clamp flip frame 1-2, and the return spring 1-3 can achieve the effect of telescoping locking 1-3; the locking pin 1-3-1 locks the clamp flip handle 1-1 with the clamp flip frame 1-2 when the clamp flip 1 rotates and does not contact with the clamp substrate 3, so that the guide rod 1-4 can accurately enter the guide groove 3-1 to move, and the reset spring 1-3-4 is used for locking the clamp flip handle 1-1 with the clamp flip frame 1-2 when the clamp flip 1 is out of contact with the clamp substrate 3 in the upward movement process of the clamp flip 1.

The side wall of the clamp base plate 3 is provided with a groove 3-2 corresponding to the bullseye bearing 1-3-2, and when the bullseye bearing 1-3-2 contacts with the groove 3-2, the locking device 1-3 drives the locking pin 1-3-1 to be separated from the clamp flip handle 1-1.

The specific test flow is as follows:

as shown in fig. 4-6, fig. 4 is an initial position, the clamp flip cover 1 rotates around the rotation axis, at this time, the clamp flip handle 1-1 and the clamp flip frame 1-2 are locked together, and the guide rod 1-4 also slides on the vertical section of the guide groove 3-1, as shown in fig. 5; when the bullseye bearing 1-3-2 is contacted with the groove 3-2, the locking device 1-3 drives the locking pin 1-3-1 to be separated from the clamp flip handle 1-1, then the clamp flip handle 1-1 continues to move downwards, the clamp flip frame 1-2 is kept still, the guide rod 1-4 slides on the horizontal section of the guide groove 3-1, at the moment, the heating plate 1-10 moves downwards in a straight line under the drive of the crank and the straight line bearing 1-7, and the tested device 5 is stably contacted with the detection probe 4.

When the test is completed, the clamp flip handle 1-1 is pulled to move upwards and move upwards through the position of the groove 3-2, and at the moment, the locking device 1-3 returns under the action of the return spring 1-3-4 to fix the clamp flip handle 1-1 and the clamp flip frame 1-2 together.

The advantage of this patent:

the manual test fixture device can test devices 5 to be tested with different shapes, has strong universality and saves the space of a test site;

the manual testing fixture device has the advantages that the opening angle of the fixture turnover cover 1 is large, the operation space is large, the danger of operators in high-temperature testing is reduced, and the convenience of operation is improved;

the manual test fixture device can provide large downward pressure and good pressure uniformity, and can meet the test requirements of the tested devices 5 with multiple pins.

Different test conditions are provided by changing different detection probes 4, different heating plates and different refrigerating plates, and the tested device 5 with different external dimensions can be tested, so that the applicability of the manual test fixture is greatly improved.

The movement of the clamp flip 1 device is divided into two processes of rotation and linear movement, so that the problems of small operation space and poor pressure uniformity of the traditional test clamp are solved;

the above description is intended to illustrate the utility model and not to limit it, the scope of which is defined by the claims, and any modifications can be made within the scope of the utility model.

Claims (8)

1. A multipurpose power device manual test fixture, comprising:

a jig substrate (3);

a clamp flip cover (1) connected to the clamp base plate (3) in a rotating manner;

and a detection probe (4) connected to the inner bottom wall of the jig substrate (3) and used for placing and detecting the device under test (5);

the structure of the clamp flip (1) comprises:

a clamp flip frame (1-2);

a clamp flip handle (1-1) connected to the side wall of the clamp flip rack (1-2) in a rotating manner;

the lower end of the side wall of the clamp flip handle (1-1) is fixedly connected with a guide rod (1-4), and the guide rod (1-4) is slidably connected in an arc-shaped groove formed in the clamp flip frame (1-2);

the side wall of the clamp flip handle (1-1) is connected with a reversing connecting rod assembly which converts acting force in other directions into acting force in the vertical direction, and the other end of the reversing connecting rod assembly is connected with a pressing plate which applies pressure to the tested device (5).

2. The multipurpose power device manual testing jig of claim 1, wherein: the two inner side walls of the clamp substrate (3) are respectively connected with a nitrogen spring (2) in a rotating mode, and the other ends of the nitrogen springs (2) are connected to the side walls of the clamp flip (1).

3. The multipurpose power device manual testing jig of claim 1, wherein: the reversing connecting rod assembly comprises a connecting crank (1-5), a driving crank (1-6) and a connecting rod which are connected with each other, the connecting rod is connected with the pressing plate, and the connecting rod is slidably connected in a linear bearing (1-7) arranged on the clamp flip frame (1-2).

4. The multipurpose power device manual testing jig of claim 1, wherein: guide grooves (3-1) corresponding to the guide rods (1-4) are formed in the inner wall of the clamp substrate (3), and the guide grooves (3-1) are distributed in an L shape.

5. The multipurpose power device manual testing jig of claim 1, wherein: the pressing plate comprises a hot plate mounting base plate (1-8), a heat insulating plate (1-9) and a heating plate (1-10) which are connected with each other, so that the heating and fixing effects on the tested device (5) are realized.

6. The multipurpose power device manual testing jig of claim 1, wherein: the pressing plate is a refrigeration plate or a water-cooling plate.

7. The multipurpose power device manual testing jig of claim 1, wherein: the clamp flip frame (1-2) is provided with a locking device (1-3) capable of limiting the clamp flip handle (1-1), the locking device (1-3) comprises a locking pin (1-3-1), a bull eye bearing (1-3-2), a locking connecting rod (1-3-3) and a reset spring (1-3-4), the locking connecting rod (1-3-3) is inserted on the side wall of the clamp flip frame (1-2) and is vertically arranged with the clamp flip handle (1-1), one end of the locking connecting rod (1-3-3), extending out of the clamp flip frame (1-2), is connected with the bull eye bearing (1-3-2), the other end of the locking connecting rod (1-3-3) is connected with the locking pin (1-3-1) capable of being contacted with the clamp flip handle (1-1), and meanwhile, the locking connecting rod (1-3-3) and the reset spring (1-3-4) of the clamp frame (1-2) are also sleeved on the locking connecting rod (1-3-3).

8. The multipurpose power device manual testing jig of claim 7, wherein: the side wall of the fixture base plate (3) is provided with a groove (3-2) corresponding to the bullseye bearing (1-3-2).

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