CN112489401A - A accredited testing organization for fire alarm system circuit board - Google Patents
A accredited testing organization for fire alarm system circuit board Download PDFInfo
- Publication number
- CN112489401A CN112489401A CN202011305028.8A CN202011305028A CN112489401A CN 112489401 A CN112489401 A CN 112489401A CN 202011305028 A CN202011305028 A CN 202011305028A CN 112489401 A CN112489401 A CN 112489401A
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- CN
- China
- Prior art keywords
- pressing
- rod
- pressing plate
- spring
- circuit board
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/02—Monitoring continuously signalling or alarm systems
- G08B29/04—Monitoring of the detection circuits
- G08B29/043—Monitoring of the detection circuits of fire detection circuits
Abstract
The invention provides a testing mechanism for a fire alarm system circuit board, which comprises a testing frame, wherein a workbench and a testing mechanism are arranged on the testing frame; the testing mechanism comprises a horizontal cylinder, a telescopic rod, a first spring, a pressing plate, a sliding block and a sliding rail, the workbench is of a square structure with a hollow interior, sliding grooves are formed in two sides of the table board of the workbench, the sliding block moves in the sliding grooves, the pressing plate is located above the workbench, the horizontal cylinder, a push rod and the sliding rail are located inside the workbench, probes and a pressing structure are arranged on the table board of the workbench, the probes are located below a moving path of the pressing plate, the pressing structure is located above the probes, and after the horizontal cylinder drives the pressing plate to move horizontally, the pressing structure drives the pressing plate to press downwards so that the probes and a circuit board on the pressing plate are contacted to supply power. The invention can realize the accurate test of the circuit board key and improve the test efficiency.
Description
The technical field is as follows:
the invention relates to production test, which is used for testing a circuit board in the field of fire alarm systems.
Background
Along with the rapid development of the fire-fighting electronic equipment market in recent years, the demand of a fire alarm system in the fire-fighting electronic equipment is continuously increased, because the circuit board and the probe are required to be contacted in the function test of the circuit board of the fire alarm system, various tests are carried out later, the traditional test is that a tester contacts the circuit board and the probe one by one, after the contact is confirmed, the test is carried out, the manual contact has great deviation, the test efficiency of the circuit board of the fire alarm system is limited, and therefore the production efficiency is influenced.
Disclosure of Invention
The invention aims to provide a test tool for a fire alarm system circuit board, which solves the problem of low efficiency.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
a testing mechanism for a fire alarm system circuit board comprises a testing frame, wherein a workbench and a testing mechanism are arranged on the testing frame;
the testing mechanism comprises a horizontal cylinder, telescopic rods, first springs, a pressing plate, sliding blocks and sliding rails, wherein the two groups of sliding rails are arranged in parallel, the sliding blocks are arranged on the sliding rails in a sliding mode, the telescopic rods are connected to the sliding blocks, two sides of the pressing plate are connected with the telescopic rods on the sliding rails on two sides respectively, the first springs are sleeved on the telescopic rods, two ends of each first spring are connected with the sliding rails and the pressing plate respectively, push rods are connected between the sliding blocks on two sides, and the push rods are connected with the horizontal cylinder;
the utility model discloses a probe, including workstation, horizontal cylinder, push rod, slide rail, probe moving path, the workstation is the square structure of inside hollow, the mesa both sides of workstation are equipped with the spout, and the slider removes in the spout, the clamp plate is located the workstation top, horizontal cylinder, push rod and slide rail are located inside the workstation, be equipped with probe and push down the structure on the mesa of workstation, the probe is located clamp plate moving path below, push down the structure and be located the probe top, drive the clamp plate horizontal migration back by horizontal cylinder, push down the structure and drive the clamp plate and push down and make the probe supply power with the circuit board contact on the clamp plate.
The further technology of the invention is as follows:
preferably, the pressing structure comprises a pressing rod which penetrates through two transverse support frames, the two support frames are connected with a vertical support frame fixed on the workbench, a pressing plate is arranged at the bottom of the pressing rod, a baffle ring is fixedly arranged on the pressing rod positioned between the two support frames, a second spring is arranged between the baffle ring and the support frames, the second spring is sleeved on the pressing rod, the top of the second spring is connected with the baffle ring, the bottom of the second spring is connected with the support frames, a limiting block is arranged at the top end of the pressing rod, a pressing plate is arranged at the bottom end of the pressing rod, and the pressing rod is pressed down through a driving mechanism.
Preferably, the driving mechanism comprises a motor, a driving gear, a driven gear, a cam, a push rod and a moving block;
the motor is fixedly connected to the vertical support frame, the motor drives the driving gear to rotate, the driven gear is fixed to the upper transverse support frame and meshed with the driving gear, the cam is coaxial with the driven gear, one end of the push rod abuts against the side wall of the cam, the other end of the push rod is in contact with the moving block, the moving block is fixed to the lower pressing rod, the contact surface of the moving block and the other end of the push rod is an inclined plane, the transverse support plate is provided with a connecting frame which is provided with a through hole in a connected mode, the push rod is inserted into the through hole, the side wall of the through hole is provided with a deep groove, the push rod is provided with a vertical limiting ring, the vertical limiting ring is located in the deep groove, the push rod is sleeved with a third spring, one end of the third.
Preferably, the lower pressing plate is a transverse straight plate, the transverse direction of the lower pressing plate is the same as that of the pressing plate, pressing balls are arranged on two sides of the lower pressing plate, and the pressing balls are rubber balls and are of solid structures.
Preferably, arc-shaped slideways are arranged on two sides of the lower pressing plate, the pressing ball is connected with the connecting rod, and the connecting rod is arranged in the arc-shaped slideways to slide.
Preferably, the arc slide specifically is the arc wall, and arc wall both sides wall is equipped with the deep trouth, be equipped with the spacing ring on the connecting rod, the spacing ring card is equipped with the fourth spring in the deep trouth, and fourth spring one end top is on the spacing ring, and the other end top is at the deep trouth tank bottom.
The invention has the beneficial effects that:
the invention can realize the accurate test of the circuit board key and improve the test efficiency.
Description of the drawings:
in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
FIG. 1 is a schematic view of the main constitution of the present invention;
FIG. 2 is a schematic view of the upper portion of the hold-down structure of the present invention;
FIG. 3 is a view showing the structure of a push rod and a connecting frame;
FIG. 4 is a schematic top view of a lower platen structure;
FIG. 5 is a schematic view of a pressing ball;
FIG. 6 is a schematic view of a worktable;
wherein the drawings are numbered as follows: 1: workbench, 2: horizontal cylinder, 3: telescopic rod, 4: first spring, 5: pressing plate, 6: slider, 7: slide rail, 8: push rod, 9: chute, 10: stopper, 11: a probe, 12: push-down lever, 13: transverse bracing frame, 14: vertical support frame, 15: retainer ring, 16: second spring, 17: motor, 18: drive gear, 19: driven gear, 20: cam, 21: push rod, 22: moving block, 23: connecting frame, 24: through hole, 25: deep groove, 26: vertical spacing ring, 27: third spring, 28: pressing ball, 29: arc slide, 30: link, 31: stop collar, 32: fourth spring, 33: and (5) pressing the plate downwards.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
The embodiment is a testing mechanism for a fire alarm system circuit board, in particular to a tool for testing, which comprises a testing frame, wherein the testing frame is provided with a workbench 1 and a testing mechanism;
the testing mechanism comprises a horizontal cylinder 2, telescopic rods 3, first springs 4, a pressing plate 5, sliding blocks 6 and sliding rails 7, wherein the sliding rails 7 are arranged in two groups and are arranged in parallel, the sliding blocks 6 are arranged on the sliding rails 7 in a sliding mode, the telescopic rods 3 are connected to the sliding blocks 6, two sides of the pressing plate 5 are respectively connected with the telescopic rods 3 on the sliding rails 7 on two sides, the first springs 4 are sleeved on the telescopic rods 3, two ends of each first spring are respectively connected with the sliding rails 7 and the pressing plate, push rods 8 are connected between the sliding blocks 6 on two sides, and the push rods 8 are connected with the horizontal cylinder 2;
Under the above-mentioned scheme, under the non-atress state of first spring 4, be the separation between clamp plate and the probe 11, the compression of spring atress, the clamp plate contacts with probe 11, promote push rod 8 through horizontal cylinder 2, push rod 8 drives the slider 6 of both sides and gos forward on slide rail 7, the displacement range of slide rail 7 is the length control of spout, slider 6 drives the clamp plate and removes to probe 11 top, start the structure of pushing down, the clamp plate atress, first spring 4 and 3 contractions of telescopic link, the clamp plate contacts with probe 11, work before the completion test, horizontal cylinder 2 controls the distance that slider 6 removed, guarantee the uniformity of clamp plate and probe 11 contact position.
The pressing structure comprises a pressing rod 12, the pressing rod 12 penetrates through two transverse supporting frames 13, the two supporting frames are connected with a vertical supporting frame 14 fixed on the workbench 1, a pressing plate 33 is arranged at the bottom of the pressing rod 12, a retaining ring 15 is fixedly arranged on the pressing rod 12 located between the two supporting frames, a second spring 16 is arranged between the retaining ring 15 and the supporting frames, the second spring 16 is sleeved on the pressing rod 12, the top of the second spring is connected with the retaining ring 15, the bottom of the second spring is connected with the supporting frames, a limiting block 10 is arranged at the top end of the pressing rod 12, the pressing plate 33 is arranged at the bottom end of the pressing rod 12, and the pressing rod 12 is pressed downwards through a driving mechanism.
Above-mentioned structure, holding down plate 33 is hugged closely with the horizontal support frame 13 of below under the non-atress state of second spring 16, press down depression bar 12 through actuating mechanism, hold down bar 12 pushes down, fender ring 15 on depression bar 12 descends simultaneously, second spring 16 atress compression, holding down plate 33 drives the clamp plate and pushes down and contact with probe 11, close actuating mechanism, second spring 16 extends, it rises with holding down bar 12 to drive fender ring 15, realize the separation of clamp plate and probe 11, in this scheme, stopper 10 is located the horizontal support frame 13 top of top, the decline space of depression bar 12 is down controlled in stopper 10's effect.
The driving mechanism of the above scheme is manual or electric, and the embodiment specifically adopts the control of the motor 17, specifically:
the driving mechanism comprises a motor 17, a driving gear 18, a driven gear 19, a cam 20, a push rod 21 and a moving block 22;
the motor 17 is fixedly connected to the vertical support frame 14, the motor 17 drives the driving gear 18 to rotate, the driven gear 19 is fixed on the upper transverse support frame 13 and meshed with the driving gear 18, the cam 20 is coaxial with the driven gear 19, one end of the push rod 21 abuts against the side wall of the cam 20, the other end of the push rod 21 is in contact with the moving block 22, the moving block 22 is fixed on the lower pressing rod 12, the contact surface of the moving block 22 and the other end of the push rod 21 is an inclined surface, the transverse support frame is provided with a connecting frame 23 which is connected and provided with a through hole 24, the push rod 21 is inserted into the through hole 24, the side wall of the through hole 24 is provided with a deep groove 25, the push rod 21 is provided with a vertical limit ring 3126, the vertical limit ring 3126 is positioned in the deep groove 25, the push rod 21 is sleeved with a third spring 27, one end of, the other end is positioned at the bottom of the deep groove 25.
The motor 17 rotates to drive the driving gear 18 to rotate, the driven gear 19 meshed with the driving gear 18 rotates along with the rotation, the cam 20 coaxial with the driven gear 19 rotates simultaneously, in the invention, the limiting ring 31 is positioned at the left side of the deep groove, the third spring 27 is positioned at the right side of the deep groove, the surface of the push rod 8 contacted with the moving block 22 is inclined at the lower left, the surface of the moving block 22 contacted with the push rod 8 is also inclined at the lower left, specifically, the push rod 8 is acted by the cam 20, when the side surface of the long diameter of the cam 20 is contacted with the push rod 8, the push rod 8 is forced to push rightwards, the third spring 27 is forced to compress, due to the inclined surface, the push rod 8 extrudes the moving block 22 to move downwards, the lower pressing rod 12 fixedly connected with the moving block 22 descends, when the side surface of the short diameter of the cam 20 is contacted with the push rod 8, the push, promote push rod 8 and remove left, keep push rod 8 and 20 lateral walls contacts of cam all the time, movable block 22 is under the effect that does not have push rod 8 extrusion, receive second spring 16 elasticity and rise, under the condition that motor 17 does not shut down, push rod 12 realizes reciprocating motion down, cooperation horizontal gas pole, reciprocating motion, circuit board and probe 11 quick contact on the realization clamp plate, cooperation test mode, record the data back in the twinkling of an eye, the flash separation, degree of automation is high, very big promotion efficiency.
The lower pressing plate 33 is a transverse straight plate, the transverse direction of the lower pressing plate is the same as that of the pressing plate, pressing balls 28 are arranged on two sides of the lower pressing plate 33, and the pressing balls 28 are rubber balls and are of a solid structure.
Both sides are pressed simultaneously, increasing the stability of the circuit board in contact with probe 11. In order to avoid deviation and shaking in the process of pressing down the pressing-down rod 12 and influence on the pressing stability, arc-shaped slide ways 29 are arranged on two sides of the pressing-down plate 33, the pressing balls 28 are connected with connecting rods 30, and the connecting rods 30 are arranged in the arc-shaped slide ways 29 to slide.
The arc-shaped slideway 29 is specifically an arc-shaped groove, the two side walls of the arc-shaped groove are provided with deep grooves, the connecting rod 30 is provided with a limiting ring 31, the limiting ring 31 is clamped in the deep grooves, a fourth spring 32 is arranged in the deep grooves, one end of the fourth spring 32 is propped against the limiting ring 31, and the other end of the fourth spring is propped against the bottom of the deep groove.
The small-range shaking is counteracted by the fourth spring 32, once the pressing ball 28 is contacted with the pressing plate, the pressing rod 12 deflects to cause the lower pressing plate 33 to rotate left and right by a small amplitude, and the arc-shaped slide way 29 plays a role in ensuring that the pressing ball 28 does not move at the moment.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A testing mechanism for a fire alarm system circuit board is characterized by comprising a testing frame, wherein a workbench and a testing mechanism are arranged on the testing frame;
the testing mechanism comprises a horizontal cylinder, telescopic rods, first springs, a pressing plate, sliding blocks and sliding rails, wherein the two groups of sliding rails are arranged in parallel, the sliding blocks are arranged on the sliding rails in a sliding mode, the telescopic rods are connected to the sliding blocks, two sides of the pressing plate are connected with the telescopic rods on the sliding rails on two sides respectively, the first springs are sleeved on the telescopic rods, two ends of each first spring are connected with the sliding rails and the pressing plate respectively, push rods are connected between the sliding blocks on two sides, and the push rods are connected with the horizontal cylinder;
the utility model discloses a probe, including workstation, horizontal cylinder, push rod, slide rail, probe moving path, the workstation is the square structure of inside hollow, the mesa both sides of workstation are equipped with the spout, and the slider removes in the spout, the clamp plate is located the workstation top, horizontal cylinder, push rod and slide rail are located inside the workstation, be equipped with probe and push down the structure on the mesa of workstation, the probe is located clamp plate moving path below, push down the structure and be located the probe top, drive the clamp plate horizontal migration back by horizontal cylinder, push down the structure and drive the clamp plate and push down and make the probe supply power with the circuit board contact on the clamp plate.
2. The testing mechanism of claim 1, wherein the pressing structure comprises a pressing rod, the pressing rod passes through two horizontal supporting frames, the two supporting frames are connected with a vertical supporting frame fixed on the worktable, the bottom of the pressing rod is provided with a pressing plate, a retaining ring is fixedly arranged on the pressing rod between the two supporting frames, a second spring is arranged between the retaining ring and the supporting frame, the second spring is sleeved on the pressing rod, the top of the second spring is connected with the retaining ring, the bottom of the second spring is connected with the supporting frame, the top of the pressing rod is provided with a limiting block, the bottom of the pressing rod is provided with a pressing plate, and the pressing rod is pressed down by the driving mechanism.
3. The fire alarm system circuit board testing mechanism of claim 2, wherein the driving mechanism comprises a motor, a driving gear, a driven gear, a cam, a pushing rod, and a moving block;
the motor is fixedly connected to the vertical support frame, the motor drives the driving gear to rotate, the driven gear is fixed to the upper transverse support frame and meshed with the driving gear, the cam is coaxial with the driven gear, one end of the push rod abuts against the side wall of the cam, the other end of the push rod is in contact with the moving block, the moving block is fixed to the lower pressing rod, the contact surface of the moving block and the other end of the push rod is an inclined plane, the transverse support plate is provided with a connecting frame which is provided with a through hole in a connected mode, the push rod is inserted into the through hole, the side wall of the through hole is provided with a deep groove, the push rod is provided with a vertical limiting ring, the vertical limiting ring is located in the deep groove, the push rod is sleeved with a third spring, one end of the third.
4. The testing mechanism for the circuit board of the fire alarm system according to claim 2, wherein the lower pressing plate is a horizontal straight plate, the horizontal direction of the lower pressing plate is the same as that of the pressing plate, pressing balls are arranged on two sides of the lower pressing plate, and the pressing balls are rubber balls and are of a solid structure.
5. The fire alarm system circuit board testing mechanism of claim 4, wherein the two sides of the lower pressing plate are provided with arc-shaped slideways, the pressing ball is connected with the connecting rod, and the connecting rod is arranged in the arc-shaped slideways to slide.
6. The testing mechanism of claim 5, wherein the arc-shaped slideway is an arc-shaped groove, two side walls of the arc-shaped groove are provided with deep grooves, the connecting rod is provided with a limiting ring, the limiting ring is clamped in the deep grooves, a fourth spring is arranged in the deep grooves, one end of the fourth spring is pressed against the limiting ring, and the other end of the fourth spring is pressed against the bottom of the deep grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011305028.8A CN112489401B (en) | 2020-11-19 | 2020-11-19 | A accredited testing organization for fire alarm system circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011305028.8A CN112489401B (en) | 2020-11-19 | 2020-11-19 | A accredited testing organization for fire alarm system circuit board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112489401A true CN112489401A (en) | 2021-03-12 |
| CN112489401B CN112489401B (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011305028.8A Active CN112489401B (en) | 2020-11-19 | 2020-11-19 | A accredited testing organization for fire alarm system circuit board |
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| CN (1) | CN112489401B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117593866A (en) * | 2024-01-19 | 2024-02-23 | 联捷(南通)智能科技有限公司 | Fire control manual alarm switch action performance testing arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117593866A (en) * | 2024-01-19 | 2024-02-23 | 联捷(南通)智能科技有限公司 | Fire control manual alarm switch action performance testing arrangement |
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| Publication number | Publication date |
|---|---|
| CN112489401B (en) | 2021-08-03 |
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