CN110794284A - Circuit board anti-seismic performance testing device - Google Patents
Circuit board anti-seismic performance testing device Download PDFInfo
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- CN110794284A CN110794284A CN201910957398.0A CN201910957398A CN110794284A CN 110794284 A CN110794284 A CN 110794284A CN 201910957398 A CN201910957398 A CN 201910957398A CN 110794284 A CN110794284 A CN 110794284A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
- G01R31/2836—Fault-finding or characterising
- G01R31/2849—Environmental or reliability testing, e.g. burn-in or validation tests
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Abstract
The invention discloses a circuit board anti-seismic performance testing device, comprising: a frame, the frame comprising: the bottom plate is fixedly connected with the left longitudinal plate and the right longitudinal plate respectively, and the supporting plate is connected with the left longitudinal plate and the right longitudinal plate in a sliding manner respectively; the clamping assembly is used for clamping the circuit board to be tested; the first vibration component is arranged on the supporting plate and used for driving the circuit board to be tested to swing left and right; the second vibration assembly is used for driving the supporting plate to move along the vertical direction; and the testing device is used for testing the performance of the circuit board to be tested. The circuit board anti-seismic performance testing device provided by the invention adopts the first vibration component to vibrate the circuit board to be tested in a left-right swinging mode, the second vibration component to vibrate the circuit board to be tested in a vertical direction, and the multi-directional vibration mode can comprehensively monitor the anti-seismic performance of the circuit board.
Description
Technical Field
The invention belongs to a test fixture, and particularly relates to a circuit board anti-seismic performance test device.
Background
The circuit board built in the power equipment is an important core component, and the circuit board itself is usually composed of a plurality of electronic components. The good and fast shock resistance of the circuit board also has great influence on the service life of the power equipment. However, some anti-seismic structures are disposed in the power equipment to improve the anti-seismic performance of the circuit board. However, the good and bad shock resistance of the circuit board itself is important for the power equipment. Especially in some earthquake high-incidence zones, the method is particularly important.
However, the existing device does not detect the anti-seismic performance of the circuit board, so a device for testing the anti-seismic performance of the circuit board needs to be proposed urgently.
Disclosure of Invention
In order to solve the technical problem, the invention provides a circuit board anti-seismic performance testing device.
In order to achieve the purpose, the technical scheme of the invention is as follows:
circuit board anti-seismic performance testing arrangement includes:
a frame, the frame comprising: the bottom plate is fixedly connected with the left longitudinal plate and the right longitudinal plate respectively, and the supporting plate is connected with the left longitudinal plate and the right longitudinal plate in a sliding manner respectively;
the clamping assembly is used for clamping the circuit board to be tested;
the first vibration component is arranged on the supporting plate and is in transmission connection with the clamping component, and the first vibration component is used for driving the circuit board to be tested to swing left and right;
the second vibration component is arranged between the support plate and the bottom plate, is in transmission connection with the support plate and is used for driving the support plate to move along the vertical direction;
and the testing device is electrically connected with the circuit board to be tested and is used for testing the performance of the circuit board to be tested.
The invention discloses a circuit board anti-seismic performance testing device which is simple in structure, wherein a first vibration component can provide left-right swinging vibration for a circuit board to be tested, a second vibration component can provide vertical vibration for the circuit board to be tested, and the anti-seismic performance of the circuit board can be comprehensively monitored in a multi-direction vibration mode.
On the basis of the technical scheme, the following improvements can be made:
preferably, the clamping assembly comprises: the elastic pad is arranged on the clamping side of the U-shaped clamping part.
By adopting the preferable scheme, the two ends of the circuit board are clamped by the U-shaped clamping parts, and the additionally arranged elastic pads ensure that the damage to the circuit board is minimized when the circuit board vibrates.
Preferably, the first vibration assembly includes: at least one group of left vibration assemblies and at least one group of right vibration assemblies;
left side vibrations subassembly and right side vibrations subassembly all include:
the guide rod is arranged on the supporting plate;
the sleeve is sleeved on the guide rod and can slide along the guide rod;
the two ends of the connecting plate are respectively and rotatably connected with the sleeve and the clamping assembly;
and the sleeve driving mechanism is in transmission connection with the sleeve and drives the sleeve to slide along the guide rod.
By adopting the preferable scheme, the circuit board swings left and right.
Preferably, the top end and/or the bottom end of the guide rod is/are provided with a limiting block.
By adopting the preferable scheme, the swing amplitude of the circuit board is limited.
Preferably, the guide rod is slidably connected with the support plate.
Adopt above-mentioned preferred scheme, the position of adjustment centre gripping subassembly is convenient for carry out the centre gripping to the circuit board.
Preferably, the method further comprises the following steps: and the third vibration component is in transmission connection with the circuit board to be tested and is used for vibrating the circuit board to be tested.
By adopting the preferable scheme, the third vibration component vibrates the circuit board to be tested in a shaking mode, and the vibration mode is more diversified.
Preferably, the third vibration assembly includes: the vibration testing device is provided with a vibration motor, a vibration connecting piece and a plurality of vibration claws, wherein the vibration motor is arranged on the supporting plate, the vibration connecting piece is in transmission connection with the vibration motor, and the vibration claws are connected with the vibration connecting piece and are in contact with a circuit board to be tested.
Adopt above-mentioned preferred scheme, adopt vibrations claw to support the circuit board that awaits measuring, and the third shakes the subassembly and can realize that the vibration range is little but the vibration velocity is the shake on the vertical direction that is slightly fast.
Preferably, the second vibration assembly includes:
the upper vibration block is arranged on the bottom surface of the supporting plate, and is provided with a first protrusion with a saw-toothed section;
the lower vibration block is connected with the surface of the bottom plate in a sliding manner, and is provided with a second protrusion with a saw-toothed section, and the second protrusion can be meshed with the first protrusion;
the lower vibration block drives the air cylinder, the lower vibration block drives the air cylinder and is connected with the lower vibration block in a transmission mode, and the lower vibration block drives the air cylinder to push the lower vibration block to slide so as to drive the supporting plate to move along the vertical direction.
With the preferred scheme, the second vibration assembly can realize the vibration in the vertical direction with large vibration amplitude but slightly slow vibration speed.
As the preferred scheme, the air vent of the lower vibration block driving cylinder is connected with external air equipment through an air flow size adjusting device, and the air flow size is adjusted through the air flow size adjusting device, so that the running speed of the output end of the lower vibration block driving cylinder is adjusted.
By adopting the preferable scheme, the shaking speed of the circuit board to be tested in the vertical direction is adjusted by adjusting the running speed of the output end of the lower vibrating block driving cylinder.
Preferably, the airflow size adjusting device comprises:
the air flow seat is provided with a first through hole, and the outer side of the first through hole is provided with a regular polygonal sliding groove;
the guide seat is arranged on one side of the airflow seat, a second through hole corresponding to the first through hole is formed in the guide seat, and a plurality of guide grooves are formed in the outer side of the second through hole in the guide seat;
the baffle plates are arranged between the airflow seat and the guide seat, a first protruding part and a second protruding part are respectively arranged on the front and back opposite surfaces of each baffle plate, the first protruding part extends into the sliding groove, and the second protruding part extends into the guide groove;
the driving device is connected with the airflow seat and the guide seat respectively, drives the airflow seat and the guide seat to rotate, and changes the position of the separation blade, so that the size of the exposed hole after the first through hole and the second through hole are matched is changed.
Adopt above-mentioned preferred scheme, the size of the naked hole after first through-hole and the cooperation of second through-hole can effectively be adjusted to air current size adjusting device to adjust the air current size, the low noise, low power, it is with low costs.
Drawings
Fig. 1 is a schematic structural diagram of a device for testing the seismic performance of a circuit board according to an embodiment of the present invention.
Fig. 2 is a second schematic structural diagram of the apparatus for testing the anti-seismic performance of the circuit board according to the embodiment of the present invention.
Fig. 3 is a third schematic structural diagram of the apparatus for testing the seismic performance of the circuit board according to the embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a vibrating claw according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of an airflow seat according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of an airflow seat and a baffle plate according to an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a guide seat according to an embodiment of the present invention.
Wherein: 1. the device comprises a base plate, 2, a support plate, 3, a left longitudinal plate, 4, a right longitudinal plate, 5, a clamping assembly, 51, a U-shaped clamping part, 52, an elastic pad, 61, a guide rod, 62, a sleeve, 63, a connecting plate, 64, a limiting block, 71, a vibration motor, 72, a vibration connecting piece, 73, a vibration claw, 81, an upper vibration block, 82, a first protrusion, 83, a lower vibration block, 84, a second protrusion, 85, a lower vibration block driving cylinder, 9, an airflow size adjusting device, 91, an airflow seat, 92, a first through hole, 93, a sliding groove, 94, a guide seat, 95, a second through hole, 96, a guide groove, 97, a baffle plate 98, a first protrusion, 99, a second protrusion, 10 and a circuit board to be tested.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In order to achieve the object of the present invention, in some embodiments of the apparatus for testing the anti-seismic performance of a circuit board, as shown in fig. 1, the apparatus for testing the anti-seismic performance of a circuit board includes:
a frame, the frame comprising: the bottom plate is fixedly connected with the left longitudinal plate 3 and the right longitudinal plate 4 respectively, and the support plate 2 is connected with the left longitudinal plate 3 and the right longitudinal plate 4 in a sliding manner respectively;
the clamping component 5 is used for clamping the circuit board 10 to be tested;
the first vibration component is arranged on the supporting plate 2, is in transmission connection with the clamping component 5 and is used for driving the circuit board to be tested 10 to swing left and right;
the second vibration component is arranged between the support plate 2 and the bottom plate, is in transmission connection with the support plate 2 and is used for driving the support plate 2 to move along the vertical direction;
and a testing device (not shown) electrically connected to the circuit board 10 to be tested for testing the performance of the circuit board 10 to be tested.
The testing device is used for detecting the circuit board in vibration or after vibration and checking whether the performance of the circuit board is perfect.
The invention discloses a circuit board anti-seismic performance testing device which is simple in structure, wherein a first vibration component gives a circuit board to be tested 10 vibration in a left-right swinging mode, a second vibration component gives the circuit board to be tested 10 vibration in a vertical direction, and the anti-seismic performance of the circuit board can be comprehensively monitored in a multi-direction vibration mode.
In order to further optimize the working effect of the invention, in other embodiments, the remaining features are the same, except that the clamping assembly 5 comprises: a U-shaped clamping part 51 and an elastic pad 52 arranged at the clamping side of the U-shaped clamping part 51.
By adopting the preferable scheme, the U-shaped clamping parts 51 are adopted to clamp two ends of the circuit board, and the added elastic pads ensure that the damage to the circuit board is minimized when the circuit board vibrates.
In order to further optimize the implementation effect of the present invention, in other embodiments, the remaining features are the same, except that the first vibration assembly includes: at least one group of left vibration assemblies and at least one group of right vibration assemblies;
left side vibrations subassembly and right side vibrations subassembly all include:
a guide rod 61, the guide rod 61 being mounted on the support plate 2;
the sleeve 62 is sleeved on the guide rod 61, and the sleeve 62 can slide along the guide rod 61;
the two ends of the connecting plate 63 are respectively connected with the sleeve 62 and the clamping assembly 5 in a rotating manner;
a sleeve 62 driving mechanism (not shown in the figures), wherein the sleeve 62 driving mechanism is in transmission connection with the sleeve 62, and the sleeve 62 driving mechanism drives the sleeve 62 to slide along the guide rod 61.
By adopting the preferable scheme, the circuit board swings left and right, and the swinging is as shown in figure 2.
Further, a stopper 64 is provided at the top end of the guide rod 61 and/or the bottom end thereof.
By adopting the preferable scheme, the swing amplitude of the circuit board is limited.
In order to further optimize the working effect of the invention, in other embodiments, the remaining features are the same, except that the guide rod 61 is slidably connected to the support plate 2.
Adopt above-mentioned preferred scheme, the position of adjustment centre gripping subassembly 5 is convenient for carry out the centre gripping to the circuit board.
Further, still include: and the third vibration component is in transmission connection with the circuit board to be tested 10 and is used for vibrating the circuit board to be tested 10.
By adopting the preferable scheme, the third vibration component vibrates the circuit board to be tested 10 in a shaking mode, and the vibration mode is more diversified.
Further, the third vibration assembly includes: a vibration motor 71 connected with the support plate 2, a vibration connecting piece 72 in transmission connection with the vibration motor 71 and a plurality of vibration claws 73 connected with the vibration connecting piece 72 are arranged, and the vibration claws 73 are in contact with the circuit board 10 to be tested.
By adopting the above preferred scheme, the circuit board to be tested 10 is supported by the vibration claw 73, and the third vibration component can realize the vibration in the vertical direction with small vibration amplitude but slightly higher vibration speed.
As shown in fig. 3 and 4, when the third vibration assembly needs to vibrate the circuit board 10 to be tested, the clamping assembly 5 is firstly released to clamp the circuit board, and only the vibration claw 73 is needed to support the circuit board.
In order to further optimize the implementation effect of the present invention, in other embodiments, the remaining features are the same, except that the second vibration assembly includes:
the upper vibration block is arranged on the bottom surface of the support plate 2, and is provided with a first bulge 82 with a saw-toothed section;
the lower vibration block 83 is connected with the surface of the bottom plate in a sliding manner, a second protrusion 84 with a saw-toothed section is arranged on the lower vibration block 83, and the second protrusion 84 can be meshed with the first protrusion 82;
the lower vibration block drives the cylinder 85, the lower vibration block drives the cylinder 85 to be in transmission connection with the lower vibration block 83, and the lower vibration block drives the cylinder 85 to push the lower vibration block 83 to slide so as to drive the support plate 2 to move along the vertical direction.
With the preferred scheme, the second vibration assembly can realize the vibration in the vertical direction with large vibration amplitude but slightly slow vibration speed.
Further, the air vent of the lower vibration block driving cylinder 85 is connected with external air equipment through an air flow size adjusting device 9, and the air flow size is adjusted through the air flow size adjusting device 9, so that the running speed of the output end of the lower vibration block driving cylinder 85 is adjusted.
By adopting the preferable scheme, the shaking speed of the circuit board to be tested 10 in the vertical direction is adjusted by adjusting the running speed of the output end of the lower vibrating block driving cylinder 85, so that variable speed motion is realized.
As shown in fig. 5 to 7, further, the airflow size adjusting device 9 includes:
the air flow seat 91 is provided with a first through hole 92, and the outer side of the first through hole 92 is provided with a regular polygonal sliding groove 93;
a guide seat 94 disposed at one side of the airflow seat 91, wherein a second through hole 95 corresponding to the first through hole 92 is formed in the guide seat 94, and a plurality of guide grooves 96 are formed in the guide seat 94 at the outer side of the second through hole 95;
a plurality of baffle plates arranged between the airflow seat 91 and the guide seat 94, wherein a first protruding part and a second protruding part 99 are respectively arranged on the front and back opposite surfaces of each baffle plate, the first protruding part extends into the sliding groove 93, and the second protruding part 99 extends into the guide groove 96;
and the driving device is respectively connected with the airflow seat 91 and the guide seat 94, and drives the airflow seat 91 and the guide seat 94 to rotate, so that the position of the baffle plate is changed, and the size of the exposed hole after the first through hole 92 and the second through hole 95 are matched is changed.
Adopt above-mentioned preferred scheme, the size of the naked hole after first through-hole 92 and the cooperation of second through-hole 95 can effectively be adjusted to airflow size adjusting device 9 to adjust the airflow size, the low noise, low power, the cost is little.
The various embodiments above may be implemented in cross-parallel.
Meanwhile, when the circuit board is clamped by the clamping component 5, the sleeve 62 is driven by the sleeve 62 driving mechanism to slide along the guide rod 61, so that the circuit board is moved left and right, and the lower vibration block driving cylinder 85 pushes the lower vibration block 83 to slide, so that the support plate 2 is driven to move along the vertical direction, and the two movement modes can be operated simultaneously.
When the circuit board is not clamped by the clamping component 5 but supported by the vibration claw 73, the vibration motor 71 drives the circuit board to perform rapid small-amplitude motion in the vertical direction, and drives the cylinder 85 with the lower vibration block to push the lower vibration block 83 to slide, so as to drive the support plate 2 to perform variable-speed large-amplitude motion in the vertical direction, and the two motion modes can also be operated simultaneously.
With respect to the preferred embodiments of the present invention, it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are within the scope of the present invention.
Claims (10)
1. Circuit board anti-seismic performance testing arrangement, its characterized in that includes:
a frame, the frame comprising: the bottom plate is fixedly connected with the left longitudinal plate and the right longitudinal plate respectively, and the supporting plate is connected with the left longitudinal plate and the right longitudinal plate in a sliding manner respectively;
the clamping assembly is used for clamping the circuit board to be tested;
the first vibration component is arranged on the supporting plate, is in transmission connection with the clamping component and is used for driving the circuit board to be tested to swing left and right;
the second vibration component is arranged between the supporting plate and the bottom plate, is in transmission connection with the supporting plate and is used for driving the supporting plate to move along the vertical direction;
the testing device is electrically connected with the circuit board to be tested and used for testing the performance of the circuit board to be tested.
2. The apparatus for testing the shock resistance of the circuit board according to claim 1, wherein the clamping assembly comprises: the elastic pad is arranged on the clamping side of the U-shaped clamping part.
3. The apparatus for testing the shock resistance of the circuit board according to claim 2, wherein the first shock assembly comprises: at least one group of left vibration assemblies and at least one group of right vibration assemblies;
left side vibrations subassembly and right side vibrations subassembly all include:
a guide rod mounted on the support plate;
the sleeve is sleeved on the guide rod and can slide along the guide rod;
the two ends of the connecting plate are respectively and rotatably connected with the sleeve and the clamping assembly;
and the sleeve driving mechanism is in transmission connection with the sleeve and drives the sleeve to slide along the guide rod.
4. The apparatus for testing the shock resistance of the circuit board according to claim 3, wherein a limiting block is provided at the top end of the guide rod and/or the bottom end thereof.
5. The apparatus for testing the shock resistance of the circuit board according to claim 3, wherein the guide rods are slidably connected to the support plate.
6. The apparatus for testing the shock resistance of the circuit board according to claim 5, further comprising: and the third vibration component is in transmission connection with the circuit board to be tested and is used for vibrating the circuit board to be tested.
7. The apparatus for testing the shock resistance of the circuit board according to claim 6, wherein the third shock assembly comprises: the vibration testing device comprises a vibration motor arranged on the supporting plate, a vibration connecting piece in transmission connection with the vibration motor, and a plurality of vibration claws connected with the vibration connecting piece, wherein the vibration claws are in contact with a circuit board to be tested.
8. The apparatus for testing the shock resistance of the circuit board according to any one of claims 1 to 7, wherein the second shock assembly comprises:
the upper vibration block is arranged on the bottom surface of the supporting plate, and a first protrusion with a sawtooth-shaped cross section is arranged on the upper vibration block;
the lower vibration block is connected with the surface of the bottom plate in a sliding manner, a second protrusion with a saw-toothed section is arranged on the lower vibration block, and the second protrusion can be meshed with the first protrusion;
the lower vibration block drives the cylinder, the lower vibration block drives the cylinder and is connected with the lower vibration block in a transmission mode, and the lower vibration block drives the cylinder to push the lower vibration block to slide so as to drive the supporting plate to move along the vertical direction.
9. The apparatus for testing the seismic performance of the circuit board according to claim 8, wherein the air vent of the lower seismic mass driving cylinder is connected to an external air device through an air flow size adjusting device, and the air flow size is adjusted through the air flow size adjusting device, so as to adjust the operation speed of the output end of the lower seismic mass driving cylinder.
10. The apparatus for testing the shock resistance of the circuit board according to claim 9, wherein the air flow adjusting apparatus comprises:
the air flow seat is provided with a first through hole, and the outer side of the first through hole is provided with a regular polygonal sliding groove;
the guide seat is arranged on one side of the airflow seat, a second through hole corresponding to the first through hole is formed in the guide seat, and a plurality of guide grooves are formed in the outer side of the second through hole in the guide seat;
the baffle plates are arranged between the airflow seat and the guide seat, a first protruding part and a second protruding part are respectively arranged on the front and back opposite surfaces of each baffle plate, the first protruding part extends into the sliding groove, and the second protruding part extends into the guide groove;
the driving device is connected with the airflow seat and the guide seat respectively, drives the airflow seat and the guide seat to rotate, changes the position of the separation blade, and accordingly changes the size of the exposed hole after the first through hole and the second through hole are matched.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910957398.0A CN110794284A (en) | 2019-10-10 | 2019-10-10 | Circuit board anti-seismic performance testing device |
| PCT/CN2019/117479 WO2021068332A1 (en) | 2019-10-10 | 2019-11-12 | Anti-vibration performance test device for circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910957398.0A CN110794284A (en) | 2019-10-10 | 2019-10-10 | Circuit board anti-seismic performance testing device |
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| Publication Number | Publication Date |
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| CN110794284A true CN110794284A (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910957398.0A Pending CN110794284A (en) | 2019-10-10 | 2019-10-10 | Circuit board anti-seismic performance testing device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110794284A (en) |
| WO (1) | WO2021068332A1 (en) |
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