CN210690251U

CN210690251U - Circuit board main body strength and waterproof performance detection device

Info

Publication number: CN210690251U
Application number: CN201921746470.7U
Authority: CN
Inventors: 杨超
Original assignee: Nanjing Institute of Industry Technology
Current assignee: Nanjing Institute of Industry Technology
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-06-05
Anticipated expiration: 2029-10-17

Abstract

The utility model provides a device for detecting the strength and the waterproof performance of a circuit board main body, which comprises a test box, a cover baffle plate, a humidity sensor, an atomizing spray head, a square rod sleeve, a cross positioning frame, a square sliding rod, a positioning ring and an L-shaped bending plate; a rectangular water tank is supported and welded at the bottom of the left side of the test box, an electric pump is locked and supported at the top end of the water tank, and a water outlet pipe of the electric pump is locked and communicated with the spray head; the center department locking of test box top inner wall hangs and props there is an electric putter, and threaded connection has a pressure sensor on this electric putter's the piston rod, and pressure sensor's bottom threaded locking has a T shape ejector pin again, and the installation locating hole of different apertures can be suitable for grafting to the installation locating hole of different apertures on the different circuit boards to the axle of inserting of the different thickness on the cross locating rack, and it is nimble convenient to use, uses extensively.

Description

Circuit board main body strength and waterproof performance detection device

Technical Field

The utility model belongs to the technical field of the circuit board test, more specifically say, in particular to intensity and waterproof performance detection device of circuit board main part.

Background

The circuit board is an important electronic component, is a support body of an electronic component and a carrier for connecting the electronic component, and aims to improve the quality of a product by the current enterprises; the production reject ratio is reduced, the market competitiveness of enterprises is improved, various performance tests need to be carried out on the circuit board, wherein the bending strength detection is an important performance detection, and a strength performance detection device is further used; for example, patent No. CN201820922680.6 discloses a tool for detecting bending strength of a circuit board, which includes a body; the front surface of the machine body is connected with a glass door close to the lower side of the display panel in a sliding way; the top end of the inner side of the machine body is provided with a position changer; at least four sleeves are arranged on the inner walls of the two sides of the machine body; the bottom end of the position changer is provided with an electric cylinder; a displacement sensor is arranged at the bottom end of the first fixing plate close to the inner side of the pressure sensor; one end of the sleeve is provided with a clamp holder. The device passes through the holder and cliies the circuit board, has made things convenient for the user to dismantle and the installation circuit board, drives electronic jar through the ware that shifts and removes, can detect any position of circuit board automatically, drives electronic jar through the ware that shifts and removes and can detect any position of circuit board automatically, all is provided with through the both ends in the inboard of organism and is no less than four sleeves, can detect the circuit board of not unidimensional size.

The detection device used in the prior art has the problems that the applicability is poor, the circuit boards with different sizes and shapes cannot be well inserted and clamped for positioning, the optimal design of the positioning structure of the circuit board is not ideal enough, and the circuit board is inconvenient to disassemble, assemble and replace.

Disclosure of Invention

In order to solve the technical problem, the utility model provides an intensity and waterproof performance detection device of circuit board main part to it is relatively poor to solve detection device suitability, can not carry out better the inserting of equidimension shape circuit board and press from both sides the location, and the location structure optimal design's of circuit board ideal inadequately, causes the comparatively inconvenient problem of circuit board dismouting change.

The utility model discloses the intensity of circuit board main part and waterproof performance detection device's purpose and efficiency are reached by following specific technological means:

a device for detecting the strength and the waterproof performance of a circuit board main body comprises a test box, a cover blocking plate, a water tank, an electric pump, an electric push rod, a pressure sensor, a humidity sensor, an atomizing head, a square rod sleeve, a cross-shaped positioning frame, a square sliding rod, a positioning ring and an L-shaped bending plate; the whole test box is rectangular, the front end face and the rear end face of the test box are both provided with openings, and the front opening and the rear opening are both provided with a blocking cover plate in a sliding inserting blocking mode; a rectangular water tank is supported and welded at the bottom of the left side of the test box, an electric pump is locked and supported at the top end of the water tank, and a water outlet pipe of the electric pump is locked and communicated with the spray head; the top end of the inner wall of the left side of the test box is provided with a humidity sensor and a conical spray head in a side-by-side locking manner, wherein the humidity sensor is electrically connected with a control module in an electric box at the top end of the test box; the center of the inner wall of the top end of the test box is locked with an electric push rod, a piston rod of the electric push rod is in threaded connection with a pressure sensor, and the bottom of the pressure sensor is in threaded locking with a T-shaped ejector rod.

Furthermore, four square rod sleeves are symmetrically and rotatably supported at one-third height positions of the left inner wall and the right inner wall of the test box, and a prescription-shaped sliding rod is slidably inserted into the four square rod sleeves.

Furthermore, the front ends of the square sliding rods are rotatably sleeved with a cross positioning frame, and the central rotating ring is provided with four opposite insertion grooves in an annular array.

Furthermore, the cross locating rack is composed of a central rotating ring and inserting shafts which are supported in an annular array and have different thicknesses at four positions.

Furthermore, the front end sections of the four square sliding rods are all provided with a positioning ring in a sliding manner through a spring pushing sleeve, four inserting rods are symmetrically supported on the annular end surface of the inner side of the positioning ring, and the four inserting rods can be inserted into four grooves in the central rotating ring of the cross positioning frame in a pushing manner.

Furthermore, two L-shaped bending plates are symmetrically and vertically supported at the top end of the positioning ring, and a placing gap is formed between the two L-shaped bending plates and the central rotating ring of the cross positioning frame at an interval.

The utility model discloses at least, include following beneficial effect:

the locking positioning of not equidimension shape circuit board can be applicable to together using the square slide bar in four places that its cooperation can freely stretch out and draw back and adjust of square rod cover free rotation in four places, and the installation locating hole of different apertures on different circuit boards can be suitable for to peg graft to the axle of inserting of the four places of different thickness on the cross locating rack, and it is nimble convenient to use, uses extensively, and the holding ring adopts the spring top to push away the drive that the location can be swift two L forms on it and bends the board after the smooth extraction take off, the convenient dismantlement is changed the installation to the circuit in addition.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a schematic diagram of the internal three-dimensional structure of the present invention.

Figure 4 is the schematic view of the sliding installation of the square slide bar of the present invention.

Fig. 5 is a schematic diagram of the positioning ring structure of the present invention.

Fig. 6 is an enlarged schematic view of a portion a in fig. 4 according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a test box; 101. a cover blocking plate; 2. a water tank; 201. an electric pump; 3. an electric push rod; 301. a pressure sensor; 4. a humidity sensor; 5. a spray head; 6. a square rod sleeve; 7. a cross positioning frame; 8. a square slide bar; 801. a positioning ring; 802. an L-shaped bending plate.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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

Example (b):

as shown in figures 1 to 6:

the utility model provides a device for detecting the strength and the waterproof performance of a circuit board main body, which comprises a test box 1, a blocking cover plate 101, a water tank 2, an electric pump 201, an electric push rod 3, a pressure sensor 301, a humidity sensor 4, an atomizing spray head 5, a square rod sleeve 6, a cross positioning frame 7, a square sliding rod 8, a positioning ring 801 and an L-shaped bending plate 802; the whole test box 1 is rectangular, the front end face and the rear end face of the test box are both provided with openings, and a blocking cover plate 101 is slidably inserted and blocked on the front opening and the rear opening; a rectangular water tank 2 is supported and welded at the bottom of the left side of the test box 1, an electric pump 201 is locked and supported at the top end of the water tank 2, and a water outlet pipe of the electric pump 201 is locked and communicated with the spray head 5; the top end of the inner wall of the left side of the test box 1 is provided with a humidity sensor 4 and a conical spray head 5 in a side-by-side locking manner, wherein the humidity sensor 4 is electrically connected with a control module in an electric box at the top end of the test box 1; the center of the inner wall of the top end of the test box 1 is locked and hung with an electric push rod 3, a piston rod of the electric push rod 3 is connected with a pressure sensor 301 through threads, and the bottom of the pressure sensor 301 is locked with a T-shaped ejector rod through threads.

The specific models of the humidity sensor 4 are: BSLM-3 brand is: baisen

The specific model of the pressure sensor 301 is SHT 10: the brand is Sensirion: which is electrically connected with a control module inside an electric box at the top end of the test box 1

The testing box comprises a testing box 1, a square rod sleeve 6, a square sliding rod 8, a supporting rod, a locking rod and a locking rod, wherein the.

The front end of the square sliding rod 8 is rotatably sleeved with a cross positioning frame 7, the central rotating ring of the square sliding rod is provided with annular array grooves which are inserted into four positions, and the cross positioning frame 7 can rotate freely around the square sliding rod 8 to rotate an inserting shaft with different thicknesses on four positions to adjust and switch the inserting shaft.

The cross positioning frame 7 is composed of a central rotating ring and four insertion shafts with different thicknesses and supported in an annular array, the four insertion shafts with different thicknesses can be suitable for inserting installation positioning holes with different apertures in different circuit boards, and the cross positioning frame is flexible and convenient to use and wide in application.

The front end of each of the four square sliding rods 8 is provided with a positioning ring 801 which slides through a spring pushing sleeve, four insertion rods are symmetrically supported on the inner annular end face of the positioning ring 801, the four insertion rods can be inserted into four grooves on the central rotating ring of the cross positioning frame 7, and the positioning ring 801 can be inserted into the cross positioning frame 7 to prevent the cross positioning frame 7 from rotating freely.

The top end of the positioning ring 801 is symmetrically and vertically supported with two L-shaped bending plates 802, a placing gap is formed between the two L-shaped bending plates 80 and a central rotating ring of the cross positioning frame 7 at intervals, the four groups of L-shaped bending plates 802 can be used for blocking and positioning the circuit board in the gaps between the circuit board and the four cross positioning frames 7, the positioning ring 801 can be driven to slide and pull out the two L-shaped bending plates 802 quickly by spring pushing positioning, and the circuit can be detached, replaced and installed conveniently.

The specific use mode and function of the embodiment are as follows:

the utility model discloses an use flow: during the test intensity with the inserted bar of circuit board through its locating hole suit on four places cross locating rack 7 all around, then start electric putter 3, pressure sensor 301 just can measure and take notes pressure when its telescopic link top pressure contacts the circuit board and put, can read out peak pressure on through the last led digital display screen of control electronic box when waiting that the circuit board is pressed the disconnection, this is the circuit board can bear extreme pressure.

And (3) detecting the waterproof performance: after the circuit is fixed, the electric pump 201 is started to spray and adjust to change the humidity inside the test box 1, the humidity inside the test box 1 can be kept constant through the humidity sensor 4, the circuit board is immersed in a constant humidity environment, the circuit board is taken out to be electrified for inspection after the standard test time is reached, if the circuit board can run well, the waterproof performance is turned off, otherwise, the circuit board is not turned on.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides an intensity and waterproof performance detection device of circuit board main part which characterized in that: the device comprises a test box (1), a cover blocking plate (101), a water tank (2), an electric pump (201), an electric push rod (3), a pressure sensor (301), a humidity sensor (4), a spray head (5), a square rod sleeve (6), a cross positioning frame (7), a square slide rod (8), a positioning ring (801) and an L-shaped bending plate (802); the whole test box (1) is arranged in a rectangular shape, the front end face and the rear end face of the test box are both provided with openings, and a blocking cover plate (101) is inserted and blocked on the front opening and the rear opening in a sliding way; a rectangular water tank (2) is supported and welded at the bottom of the left side of the test box (1), an electric pump (201) is locked and supported at the top end of the water tank (2), and a water outlet pipe of the electric pump (201) is locked and communicated with the spray head (5); the top end of the inner wall of the left side of the test box (1) is provided with a humidity sensor (4) and a conical spray head (5) in a side-by-side locking manner, wherein the humidity sensor (4) is electrically connected with a control module inside an electric box at the top end of the test box (1); the center of the inner wall of the top end of the test box (1) is locked and hung to be provided with an electric push rod (3), a piston rod of the electric push rod (3) is connected with a pressure sensor (301) in a threaded mode, and the bottom of the pressure sensor (301) is locked with a T-shaped ejector rod in a threaded mode.

2. The apparatus for testing the strength and waterproof property of a circuit board body according to claim 1, wherein: the test box is characterized in that four square rod sleeves (6) are symmetrically and rotatably supported at one third of the height of the left inner wall and the right inner wall of the test box (1), and a prescription-shaped sliding rod (8) is slidably inserted into each of the four square rod sleeves (6).

3. The apparatus for testing the strength and waterproof property of a circuit board body according to claim 1, wherein: the front ends of the square sliding rods (8) are rotatably sleeved with a cross positioning frame (7), and the central rotating ring is provided with four opposite insertion grooves in an annular array.

4. The apparatus for testing the strength and waterproof property of a circuit board body according to claim 1, wherein: the cross positioning frame (7) is composed of a central rotating ring and four insertion shafts with different thicknesses and supported in an annular array.

5. The apparatus for testing the strength and waterproof property of a circuit board body according to claim 1, wherein: the front end sections of the four square sliding rods (8) are all provided with a positioning ring (801) in a sliding mode through a spring pushing sleeve, four inserting rods are symmetrically supported on the annular end face of the inner side of the positioning ring (801), and the four inserting rods can be inserted into four grooves in the central rotating ring of the cross positioning frame (7) in a pushing mode.

6. The apparatus for testing the strength and waterproof property of a circuit board body according to claim 1, wherein: two L-shaped bending plates (802) are symmetrically and vertically supported at the top end of the positioning ring (801), and a placing gap is formed between the two L-shaped bending plates (802) and the central rotating ring of the cross positioning frame (7) at an interval.