CN116774007A - Testing device for fire-fighting telephone host circuit board - Google Patents
Testing device for fire-fighting telephone host circuit board Download PDFInfo
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- CN116774007A CN116774007A CN202310691557.3A CN202310691557A CN116774007A CN 116774007 A CN116774007 A CN 116774007A CN 202310691557 A CN202310691557 A CN 202310691557A CN 116774007 A CN116774007 A CN 116774007A
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- 238000012360 testing method Methods 0.000 title claims abstract description 78
- 230000007246 mechanism Effects 0.000 claims abstract description 93
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 6
- 230000005389 magnetism Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 abstract 1
- 230000009471 action Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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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
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/281—Specific types of tests or tests for a specific type of fault, e.g. thermal mapping, shorts testing
- G01R31/2817—Environmental-, stress-, or burn-in tests
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/307—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by a compressed or tensile-stressed spring; generated by pneumatic or hydraulic means
-
- 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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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Environmental & Geological Engineering (AREA)
- Computer Hardware Design (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
The invention relates to the technical field of fire-fighting telephone circuit board testing, in particular to a testing device for a fire-fighting telephone host circuit board, which comprises a base, wherein the upper surface of the base is fixedly provided with a vibrating mechanism, three mounting clamping grooves which are arranged from left to right are formed in the vibrating mechanism and are used for placing a circuit board when the circuit board is subjected to vibration testing, a placing mechanism is arranged in each mounting clamping groove on the vibrating mechanism and is used for simulating a knocking environment in the process of vibration testing of the circuit board, and the circuit board can be subjected to comparison testing or batch testing according to requirements through the arrangement of a heating mechanism and the vibrating mechanism, so that the diversity of equipment on the circuit board detection can be improved, meanwhile, the service life of the circuit board can be known to the greatest extent in the subsequent use process of the circuit board, and the uninterrupted communication of firefighters in the fire-fighting work can be ensured.
Description
Technical Field
The invention relates to the technical field of fire-fighting telephone circuit board testing, in particular to a testing device for a fire-fighting telephone host computer circuit board.
Background
The fire-fighting telephone is communication equipment used by firefighters in fire-fighting operation, and the specially manufactured fire-fighting telephone can meet the requirements that the firefighters can carry out normal communication in the environment without using the fire-fighting telephone, so that the firefighters can complete fire-fighting operation more quickly.
In the production process of the fire-fighting telephone, due to the special use environment of the fire-fighting telephone, after the circuit board of the fire-fighting telephone is produced, the circuit board needs to be tested to verify whether the circuit board meets the design requirements and standards, and when the circuit board is tested, the reliability of the circuit board is tested by referring to the use environment of the fire-fighting telephone, usually through temperature test and vibration test.
The existing test equipment is used for testing a certain condition independently, because the environment of using the fire-fighting telephone by a firefighter is changeable, a plurality of factors exist at the same time, the test is carried out on a single condition, and then comprehensive consideration is carried out, so that the error of the test result is large, the judgment of the service life of the fire-fighting telephone when the firefighter works is affected, and the operation efficiency of the firefighter is affected.
Disclosure of Invention
The invention provides a testing device for a fire-fighting telephone host circuit board, which solves the technical problem of singleness of testing conditions of alumni equipment in the process of testing the fire-fighting telephone circuit board.
The invention provides a testing device for a fire-fighting telephone host circuit board, which comprises a base, wherein a vibrating mechanism is fixedly arranged on the upper surface of the base, and three mounting clamping grooves are formed in the vibrating mechanism from left to right.
The circuit board vibration test device comprises a mounting mechanism for mounting the circuit board during vibration test of the circuit board, wherein the mounting mechanism is arranged in a mounting clamping groove on the vibration mechanism.
The knocking mechanism is used for simulating the knocking environment in the vibration test process of the circuit board, and the knocking mechanism is arranged on the placing mechanism.
The heating mechanism is used for providing a test environment temperature, and the heating mechanism is arranged on the base.
The utility model discloses a vibration mechanism, including the installation draw-in groove, the installation draw-in groove is installed to the installation mechanism, the last fixed surface of connection slider is connected with the fixed bolster, the equal fixedly connected with spacing post in upper surface four corners of fixed bolster, the right side of fixed bolster is the opening setting, the inside of fixed bolster and the equal fixedly connected with magnetism of upper and lower surface that corresponds the open position inhale the piece, the right side of magnetism inhale the piece and adsorb the baffle, the baffle is blocked with the opening on fixed bolster right side, both ends all are provided with a set of holder around the inside of fixed bolster, every group the quantity of holder is two and is the bilateral symmetry, be provided with the transfer piece between the front and back opposite sides of both ends and being located two sets of holders about the internal surface of fixed bolster.
According to the embodiment of the invention, the transmission piece comprises a plurality of connection clamping holes formed in the upper surface and the lower surface of the inside of the fixed shell, a transmission rod is clamped in part of the connection clamping holes, a fixed placing groove is formed in one end, close to the center of the fixed shell, of the transmission rod, and a ball is rotatably connected in the fixed placing groove.
According to the embodiment of the invention, the clamping piece at the upper left comprises an elastic telescopic connecting rod fixedly connected to the top end of the inner surface of the fixed shell, the bottom end of the elastic telescopic connecting rod is fixedly connected with a clamping plate, a plurality of swing rod mounting grooves which are vertically communicated are formed in the clamping plate, and a limiting swing rod is hinged in the swing rod mounting grooves.
According to the embodiment of the invention, the knocking mechanism comprises a fixed box clamped on the placing mechanism, the four corners of the lower surface of the fixed box are respectively provided with a placing clamping groove, the inside of the fixed box is fixedly connected with two partition plates, the two partition plates divide the inside of the fixed box into three chambers, and knocking members are arranged in the three chambers.
According to the embodiment of the invention, the knocking piece comprises a built-in box arranged in a cavity between a fixed box and a partition plate, the built-in box is a hollow cube, two transfer columns are fixedly connected to each surface of the built-in box, one end of each transfer column, which is far away from the built-in box, is fixedly connected with the corresponding fixed box or the knocking piece, each surface of the built-in box is provided with a through hole, a knocking ball is arranged in the built-in box, a connecting spring is fixedly connected to the spherical surface of the knocking ball and the position corresponding to the through hole, and one end of each connecting spring, which is far away from the knocking ball, is fixedly connected with the corresponding fixed box or the knocking piece.
According to the embodiment of the invention, the heating mechanism comprises two groups of bilaterally symmetrical electric push rods fixedly connected to the base, the number of each group of electric push rods is two and the electric push rods are in front-back symmetry, the telescopic ends of the four electric push rods are fixedly connected with a temperature environment box together, and the front surface of the temperature environment box is provided with an observation window.
According to the embodiment of the invention, the connecting sliding block is in friction fit with the mounting clamping groove on the vibrating mechanism, and the connecting sliding block cannot move in the vibrating mechanism under the condition of not receiving external force.
According to the embodiment of the invention, the three vibration mechanisms are arranged on the upper surface of the base in a combined way, and the three vibration mechanisms work independently and do not affect each other.
The technical scheme of the invention is as follows: 1. the circuit board can be tested through the setting of heating mechanism and vibration mechanism, and contrast test or batch test are carried out as required, and the improvement equipment is to the diversification that the circuit board detected, also can pass through contrast test simultaneously to can follow-up in-process that uses at the circuit board can the at utmost know the life of circuit board, guarantee the uninterrupted of firefighter's communication in fire control work.
2. The setting through striking the mechanism can make the test environment of circuit board more be close the environment when firefighter uses the fire control telephone, through the influence of a plurality of factors of test to the life of circuit board under different environment is obtained, is that firefighter can more accurate judgement fire control telephone can normally work, in order to guarantee that communication can not break at the operation.
3. Through setting up of laying the mechanism can make each position of circuit board all receive the vibration at the in-process of carrying out vibration test to the circuit board to this improves the accuracy of circuit board test result, avoids vibration direct action on electronic components simultaneously, influences the accuracy to circuit board test result.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a testing device for a fire-fighting telephone host circuit board according to the present invention.
Fig. 2 is a front view of the test device for a fire phone host circuit board provided by the present invention.
FIG. 3 is a right side cross-sectional view of the striking mechanism provided by the present invention.
Fig. 4 is a front cross-sectional view of the striking mechanism provided by the present invention.
Fig. 5 is a right side view of the placement mechanism provided by the present invention.
Fig. 6 is a bottom cross-sectional view of the placement mechanism provided by the present invention.
Fig. 7 is a front cross-sectional view of the placement mechanism provided by the present invention.
Fig. 8 is a schematic diagram of a circuit board in the present invention.
Reference numerals:
1. a heating mechanism; 2. a knocking mechanism; 3. a placement mechanism; 4. a base; 5. a vibration mechanism; 11. an electric push rod; 12. a temperature environment box; 13. an observation window; 21. a fixed box; 22. a partition plate; 23. a knocking member; 24. a clamping groove is arranged; 31. a fixed case; 32. a transmission member; 33. a limit column; 34. a clamping member; 35. the connecting slide block; 36. a baffle; 37. a magnetic suction block; 231. a connecting spring; 232. a transfer column; 233. a built-in box; 234. striking a ball; 321. a transfer lever; 322. a fixed placement groove; 323. a ball; 324. a connecting clamping hole; 341. a clamping plate; 342. an elastic telescopic connecting rod; 343. limiting swing rods; 344. and a swing rod mounting groove.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1 and 8, a testing device for a fire-fighting telephone host circuit board comprises a base 4, wherein a vibration mechanism 5 is fixedly arranged on the upper surface of the base 4, and three mounting clamping grooves are formed in the vibration mechanism 5 from left to right.
The circuit board vibration test device comprises a mounting mechanism 3 for mounting the circuit board during vibration test of the circuit board, wherein the mounting mechanism 3 is arranged in a mounting clamping groove on the vibration mechanism 5.
The knocking mechanism 2 is used for simulating the knocking environment in the vibration test process of the circuit board, and the knocking mechanism 2 is arranged on the placing mechanism 3.
A heating mechanism 1 for providing a test environment temperature, and a heating mechanism 1 is arranged on a base 4.
The three vibration mechanisms 5 are arranged on the upper surface of the base 4 in a combined mode, and the three vibration mechanisms 5 work independently and are not affected by each other.
The setting through heating mechanism 1 and vibration mechanism 5 can be when testing the circuit board, carries out contrast test or batch test as required, and the improvement equipment is to the diversification that the circuit board detected, also can pass through contrast test simultaneously to can follow-up in-process that uses at the circuit board can the at utmost know the life of circuit board, guarantee the uninterrupted of firefighter's communication in fire control work.
As shown in fig. 2, the heating mechanism 1 includes two groups of electric pushrods 11 which are fixedly connected to the base 4 and are bilaterally symmetrical, the number of each group of electric pushrods 11 is two and is in front-back symmetry, the telescopic ends of the four electric pushrods 11 are fixedly connected with a temperature environment box 12 together, and an observation window 13 is formed in the front surface of the temperature environment box 12.
As shown in fig. 5 and 7, the placement mechanism 3 includes a connecting slider 35 slidably connected in an installation slot on the vibration mechanism 5, the upper surface of the connecting slider 35 is fixedly connected with a fixing shell 31, four corners of the upper surface of the fixing shell 31 are fixedly connected with a limit post 33, the right side of the fixing shell 31 is provided with an opening, the upper and lower surfaces of the fixing shell 31 corresponding to the opening position are fixedly connected with a magnetic attraction block 37, a baffle 36 is adsorbed on the right side of the magnetic attraction block 37, the baffle 36 is clamped with the opening on the right side of the fixing shell 31, a group of clamping pieces 34 are arranged at the front and rear ends of the inside of the fixing shell 31, the number of each group of clamping pieces 34 is two and is up and down symmetrical, a transmission piece 32 is arranged between the front and rear opposite surfaces of the upper and lower ends of the inner surface of the fixing shell 31 and between the front and rear opposite surfaces of the two groups of clamping pieces 34, the connecting slider 35 is in friction fit with the installation slot on the vibration mechanism 5, and the connecting slider 35 cannot move in the vibration mechanism 5 under the condition of not receiving external force.
As shown in fig. 5 and 6, the transmission member 32 includes a plurality of connection clamping holes 324 formed on the upper and lower surfaces of the inside of the fixed housing 31, a transmission rod 321 is clamped in the connection clamping holes 324, a fixed placement groove 322 is formed at one end of the transmission rod 321 near the center of the fixed housing 31, and a ball 323 is rotatably connected to the inside of the fixed placement groove 322.
As shown in fig. 7, the upper left clamping member 34 includes an elastic telescopic connecting rod 342 fixedly connected to the top end of the inner surface of the fixed shell 31, a clamping plate 341 is fixedly connected to the bottom end of the elastic telescopic connecting rod 342, a plurality of vertically-through swing rod mounting grooves 344 are formed in the clamping plate 341, a limiting swing rod 343 is hinged to the inner portion of the swing rod mounting groove 344, and a rubber contact is arranged at one end, close to the center of the fixed shell 31, of the limiting swing rod 343.
Through setting up of laying mechanism 3 can make each position of circuit board all receive the vibration at the in-process of carrying out vibration test to the circuit board to this improves the accuracy of circuit board test result, avoids vibration direct action on electronic components simultaneously, influences the accuracy to circuit board test result.
When the circuit board vibration test device is specifically used, firstly, the temperature environment box 12 is lifted upwards through the electric push rod 11, then the fixed shell 31 is pulled out to the front side on the vibration mechanism 5, then the baffle plate 36 on the fixed shell 31 is opened, the left end and the right end of the circuit board are respectively placed between the two clamping plates 341 arranged up and down at the left end and the right end inside the fixed shell 31, the circuit board is clamped and limited through the elastic force of the elastic telescopic connecting rod 342 when the circuit board is placed in, meanwhile, when the circuit board enters between the two clamping plates 341 arranged up and down, the limiting swing rod 343 on the clamping plate 341 is pushed to incline, the friction force between the limiting swing rod 343 and the circuit board is increased under the action of the rubber contact head on the limiting swing rod 343, the circuit board is prevented from being offset when the clamping plate 341 clamps the circuit board for vibration test, so that the accuracy of a test result is ensured, and then the circuit board is connected to work normally.
Meanwhile, according to the positions of components on the circuit board, the transmission rod 321 is inserted into the connecting clamping hole 324 to avoid the positions of the components, after the circuit board is clamped on the clamping plate 341, the balls 323 at the bottom end of the transmission rod 321 are in contact with the circuit board body, so that connection conditions exist between different positions of the circuit board and the fixing shell 31, vibration can be conveniently generated at all positions of the circuit board in the vibration test process, meanwhile, the balls 323 which are rotatably arranged can be in contact with the circuit board in the circuit board placement process in a rolling manner, scratches on the surface of the circuit board are avoided, after the circuit board is placed well, the baffle plate 36 is replaced on the fixing shell 31, and is adsorbed and fixed through the magnetic attraction block 37, then the temperature environment box 12 is restored to the original position through the electric push rod 11, at this time, the electric push rod 11 starts to raise the inside to the test temperature, after the temperature inside the electric push rod 11 reaches the test temperature, vibration is started to generate vibration through the vibration mechanism 5, the vibration test is conveniently performed on the circuit board, the circuit board is repeatedly tested after the circuit board is observed through the observation condition of the indicator lamp on the fixing shell 31 on the observation window 13 on the temperature environment box 12, and the circuit board can be repeatedly tested after the circuit board is repeatedly tested.
The circuit board is subjected to vibration test, the three vibration mechanisms 5 vibrate in the same frequency and in different frequencies in different modes, the vibration is avoided, the service lives of the three circuit boards are subjected to comparison test, batch test under the same condition can be carried out through the three vibration mechanisms 5, and selection can be carried out according to requirements.
As shown in fig. 3, the knocking mechanism 2 comprises a fixed box 21 which is clamped on the placement mechanism 3, the four corners of the lower surface of the fixed box 21 are respectively provided with a placement clamping groove 24, two partition plates 22 are fixedly connected to the inside of the fixed box 21, the two partition plates 22 divide the inside of the fixed box 21 into three chambers, knocking members 23 are respectively arranged in the three chambers, the sizes of the placement clamping grooves 24 are matched with the sizes of the limit posts 33, the placement clamping grooves 24 are clamped with the limit posts 33, and an indicator lamp for displaying the on-off state of the circuit board is arranged on the upper surface of the fixed box 21.
As shown in fig. 4, the knocking member 23 includes a built-in box 233 disposed in a cavity between the fixed box 21 and the partition plate 22, the built-in box 233 is a hollow cube, two transfer columns 232 are fixedly connected to each surface of the built-in box 233, one end of each transfer column 232 away from the built-in box 233 is fixedly connected with the corresponding fixed box 21 or the knocking member 23, a through hole is formed in each surface of the built-in box 233, a knocking ball 234 is disposed in the built-in box 233, a connecting spring 231 is fixedly connected to a position corresponding to the through hole on a spherical surface of the knocking ball 234, one end of each connecting spring 231 away from the knocking ball 234 is fixedly connected with the corresponding fixed box 21 or the knocking member 23, and the knocking ball 234 is suspended in the built-in box 233 under the action of elasticity of the connecting springs 231 under the condition of no external force.
The setting through striking mechanism 2 can make the test environment of circuit board more be close the environment when the firefighter uses the fire control telephone, through the influence of test a plurality of factors to the life of circuit board under different environment is obtained, is that the firefighter can more accurate judgement fire control telephone can normally work, in order to guarantee that communication can not break at the operation.
When the vibration mechanism 5 is specifically used, after the vibration generated by the vibration mechanism 5 is transmitted to the fixed shell 31, the vibration is synchronously transmitted to the fixed box 21, the fixed box 21 is vibrated, the knocking ball 234 in the fixed box 21 shakes, the knocking ball 234 is matched with the elastic force of the connecting spring 231, the inside of the built-in box 233 shakes irregularly, after the knocking ball 234 is impacted on the built-in box 233, the impact force is transmitted to the fixed box 21 through the transmission column 232 and synchronously acts on the fixed shell 31, at the moment, the circuit board in the fixed shell 31 is subjected to the impact force, so that the environment when a fire fighter carries a fire fighter in operation is simulated, the scene of using the fire fighter is more comprehensively simulated, and the accuracy of the test result of the circuit board is improved.
Working principle: when the temperature environment box 12 is specifically used, firstly, the temperature environment box 12 is lifted upwards through the electric push rod 11, then the fixed shell 31 is pulled out to the front side on the vibration mechanism 5, then the baffle plate 36 on the fixed shell 31 is opened, the left end and the right end of the circuit board are respectively placed between the two clamping pieces 34 which are arranged at the left end and the right end in the fixed shell 31, the circuit board is connected with a circuit, the circuit board is fixed through the two clamping pieces 34 which are arranged at the upper end and the lower end, meanwhile, the connection condition exists between different positions of the circuit board and the fixed shell 31 through the transmission piece 32, so that in the vibration test process, each position of the circuit board can be vibrated, after the circuit board is placed, the baffle plate 36 is placed on the fixed shell 31 again, the circuit board is adsorbed and fixed through the magnetic block 37, and then the temperature environment box 12 is restored to the original position through the electric push rod 11, at this time, the electric push rod 11 starts to raise the inside of the electric push rod 11 to the testing temperature, when the temperature inside the electric push rod 11 reaches the testing temperature, vibration is generated by the vibration mechanism 5, vibration testing is performed on the circuit board, the three vibration mechanisms 5 perform comparison testing on the service lives of the three circuit boards by generating vibration of different modes at the same frequency and at different frequencies and without vibration, batch testing under the same condition can also be performed by the three vibration mechanisms 5, the vibration generated by the vibration mechanisms 5 can be selected according to the requirement, the vibration generated by the vibration mechanisms 5 is transmitted to the circuit board through the fixed shell 31, meanwhile, when the knocking piece 23 in the fixed box 21 on the fixed shell 31 is subjected to vibration, the knocking force is generated by the knocking piece 23 and is transmitted to the circuit board through the fixed shell 31, so as to simulate various conditions possibly suffered by the circuit board in the use process, to test the life of the circuit board.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "first," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "first", "second", "first", "second" may include at least one such feature, either explicitly or implicitly. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (8)
1. A testing arrangement for fire control telephone host computer circuit board, its characterized in that: the device comprises a base (4), wherein a vibrating mechanism (5) is fixedly arranged on the upper surface of the base (4), and three mounting clamping grooves are formed in the vibrating mechanism (5) from left to right;
the circuit board vibration test device comprises a mounting mechanism (3) for mounting the circuit board during vibration test of the circuit board, wherein the mounting mechanism (3) is arranged in a mounting clamping groove on the vibration mechanism (5);
the knocking mechanism (2) is used for simulating the knocking environment in the vibration test process of the circuit board, and the knocking mechanism (2) is arranged on the placing mechanism (3);
the heating mechanism (1) is used for providing a test environment temperature, and the heating mechanism (1) is arranged on the base (4);
the utility model provides a vibration mechanism, lay mechanism (3) including sliding connection in installation draw-in groove on vibration mechanism (5) connect slider (35), the last fixed surface of connecting slider (35) is connected with fixed shell (31), the equal fixedly connected with spacing post (33) in upper surface four corners of fixed shell (31), the right side of fixed shell (31) is the opening setting, the inside of fixed shell (31) and the equal fixedly connected with magnetism of upper and lower surface that corresponds the open position inhale piece (37), the right side of magnetism inhale piece (37) is adsorbed there is baffle (36), the opening looks block on baffle (36) and fixed shell (31) right side, both ends all are provided with a set of holder (34) around the inside of fixed shell (31), every group the quantity of holder (34) is two and is the upper and lower symmetry, both ends just are located the front and back relative face of two sets of holder (34) and are provided with transfer piece (32) about the internal surface of fixed shell (31).
2. A test device for a fire telephone host circuit board according to claim 1, wherein: the transmission piece (32) is including seting up a plurality of connection card holes (324) on the inside upper and lower surface of fixed shell (31), part the inside joint in connection card hole (324) has transmission pole (321), fixed standing groove (322) have been seted up to one end that transmission pole (321) is close to fixed shell (31) center, the inside rotation of fixed standing groove (322) is connected with ball (323).
3. A test device for a fire telephone host circuit board according to claim 1, wherein: the upper left clamping piece (34) comprises an elastic telescopic connecting rod (342) fixedly connected to the top end of the inner surface of the fixed shell (31), a clamping plate (341) is fixedly connected to the bottom end of the elastic telescopic connecting rod (342), a plurality of vertically-through swing rod mounting grooves (344) are formed in the clamping plate (341), and limiting swing rods (343) are hinged to the inner portion of the swing rod mounting grooves (344).
4. A test device for a fire telephone host circuit board according to claim 1, wherein: the knocking mechanism (2) comprises a fixed box (21) which is clamped on the placing mechanism (3), placing clamping grooves (24) are formed in four corners of the lower surface of the fixed box (21), two partition plates (22) are fixedly connected to the inside of the fixed box (21), the two partition plates (22) divide the inner part of the fixed box (21) into three cavities, and knocking members (23) are arranged in the three cavities.
5. A test device for a fire telephone host circuit board according to claim 1, wherein: the knocking piece (23) comprises a built-in box (233) arranged in a cavity between the fixed box (21) and the partition plate (22), the built-in box (233) is a hollow cube, two transfer columns (232) are fixedly connected to each surface of the built-in box (233), one end, away from the built-in box (233), of the transfer column (232) is fixedly connected with the corresponding fixed box (21) or the knocking piece (23), through holes are formed in each surface of the built-in box (233), knocking balls (234) are arranged in the built-in box (233), connecting springs (231) are fixedly connected to positions, corresponding to the through holes, of the spherical surfaces of the knocking balls (234), and one end, away from the knocking balls (234), of the connecting springs (231) is fixedly connected with the corresponding fixed box (21) or the knocking piece (23).
6. A test device for a fire telephone host circuit board according to claim 1, wherein: the heating mechanism (1) comprises two groups of electric push rods (11) which are fixedly connected to the base (4) and are bilaterally symmetrical, the number of the electric push rods (11) in each group is two and the electric push rods are bilaterally symmetrical, the telescopic ends of the four electric push rods (11) are fixedly connected with a temperature environment box (12) together, and an observation window (13) is formed in the front surface of the temperature environment box (12).
7. A test device for a fire telephone host circuit board according to claim 1, wherein: the connecting sliding block (35) is in friction fit with the mounting clamping groove on the vibrating mechanism (5), and the connecting sliding block (35) cannot move in the vibrating mechanism (5) under the condition of not receiving external force.
8. A test device for a fire telephone host circuit board according to claim 1, wherein: the vibration mechanisms (5) are arranged on the upper surface of the base (4) in three combinations, and the three vibration mechanisms (5) work independently and are not affected by each other.
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| CN202310691557.3A CN116774007B (en) | 2023-06-12 | 2023-06-12 | Testing device for fire-fighting telephone host circuit board |
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| CN202310691557.3A CN116774007B (en) | 2023-06-12 | 2023-06-12 | Testing device for fire-fighting telephone host circuit board |
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| CN116774007B CN116774007B (en) | 2023-12-15 |
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| CN116774007B (en) | 2023-12-15 |
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