CN217425483U

CN217425483U - Novel PCBA conduction test tool

Info

Publication number: CN217425483U
Application number: CN202221108018.XU
Authority: CN
Inventors: 游雷
Original assignee: Zhuhai Honglitai Technology Co ltd
Current assignee: Zhuhai Honglitai Technology Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-09-13
Anticipated expiration: 2032-05-10

Abstract

The utility model discloses a simple structure just can accomplish the novel PCBA conduction test frock of PCBA board short circuit conduction test fast. The to-be-solved technical problem of the utility model is realized through following technical means: the utility model provides a novel PCBA conduction testing frock, includes box body, connector, pilot lamp and control switch, the box body includes front shroud and upper cover plate, the connector is followed the upper portion of front shroud surface is stretched out, the pilot lamp with control switch all inlays the setting and is in the upper surface of upper cover plate, be equipped with supply circuit and detection circuitry in the box body, supply circuit includes power adapter, control switch with the pilot lamp is established ties in proper order and is set up between power adapter's output and input, detection circuitry with the both ends of pilot lamp are parallelly connected, the inner joint of connector with the detection circuitry electricity is connected. The utility model relates to a PCBA board conduction test's technical field.

Description

Novel PCBA conduction test tool

Technical Field

The utility model relates to a PCBA board conduction test's technical field especially relates to a novel PCBA conduction test frock.

Background

A PCBA board for realizing control of various functions is arranged in the automatic processing equipment, and a large number of needle sleeves are required to be welded on the PCBA board for connecting external hardware or inserting other functional modules. For guaranteeing can the normal use of needle cover, need carry out the short circuit conduction test to the welding point position after welding the needle cover on the PCBA board, current short circuit conduction test is usually to use the universal meter to test needle cover welding point position, the test procedure need use the probe of universal meter to test the point position one by one, waste time and energy and the condition of taking place the mismeasurement easily, and because the installation of PCBA board is dismantled all more troublesome, if dismantle the replacement installation again with the PCBA board discovery problem of mismeasurement after installing on equipment, can cause personnel extravagant and man-hour extravagant, be difficult to satisfy the production demand.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a simple structure just can accomplish the novel PCBA conduction test frock of PCBA board short circuit conduction test fast.

The to-be-solved technical problem of the utility model is realized through following technical means: the utility model provides a novel PCBA conduction test frock, includes box body, connector, pilot lamp and control switch, the box body includes front shroud and upper cover plate, the connector is followed the upper portion of front shroud surface is stretched out, the pilot lamp with control switch all inlays the setting and is in the upper surface of upper cover plate, be equipped with supply circuit and detection circuitry in the box body, supply circuit includes power adapter, control switch with the pilot lamp is established ties in proper order and is set up between power adapter's output and input, detection circuitry with the both ends of pilot lamp are parallelly connected, the inner joint of connector with the detection circuitry electricity is connected, the outer joint of connector is connected with the needle cover electricity of the PCBA board that awaits measuring.

Furthermore, the type of the connector is ATX, the number of pins of the inner connector is 8, the inner connector pins of the connector include a CS + pin, a CS-pin, a C + pin, a C-pin, and an NTC pin, the control switch is electrically connected to a common terminal a of the indicator light and the CS + pin, a common terminal B and a common terminal C between the common terminal a and the CS + pin are electrically connected to the CS-pin and the NTC pin, respectively, the input terminal of the power adapter is electrically connected to a common terminal D of the indicator light and the C + pin, and a common terminal E between the common terminal D and the C + pin is electrically connected to the C-pin.

Further, the power supply circuit comprises a protection resistor, and the protection resistor is arranged between the output end of the power adapter and the control switch in series.

Furthermore, both sides of the upper cover plate are provided with protective side plates, and the protective side plates are matched with the outer walls of the left side plate and the right side plate of the box body respectively.

Further, the conversion voltage of the power adapter is 12V.

Further, the resistance value of the protection resistor is 300K Ω.

Further, the control switch is a normally open button switch.

Furthermore, the lower part of the outer surface of the front cover plate is provided with a first power supply inlet wire hole position, and the rear cover plate of the box body is provided with an expansion hole position and a second power supply inlet wire hole position.

The utility model has the advantages that: will the external commercial power of power converter provides 12V's power to novel PCBA conduction testing frock, inserts the PCBA board that awaits measuring that has welded the needle cover again the outer joint of connector presses the control switch-on power supply circuit, the produced electric current of 12V power flows through in proper order the common port A with the pilot lamp makes the pilot lamp is bright normally, and the electric current flows to simultaneously the branch road of common port A flows through in proper order detection circuitry with the connector, arrives until the electric current awaits measuring behind the PCBA board the warp the connector returns to common port D, if the pilot lamp keeps bright normally then to indicate needle cover welding is normal and can normally switch on, otherwise then indicates the welding of needle cover has the short circuit problem, accomplishes the conduction test of PCBA board this moment. The utility model is used for conducting conduction test of the PCBA board, the PCBA board is only required to be inserted into the external connector of the connector, the control switch is pressed down to start the tool, and then whether the indicator lamp is kept normally on can be observed, so that whether short circuit exists in the needle sleeve welding of the PCBA board can be judged, the operation is simple, and labor is saved; the protective resistor is arranged on the power supply circuit, so that the indicator lamp and the power adapter are prevented from being burnt out by overlarge current generated when the detection circuit is short-circuited, and the service life of the novel PCBA conduction test tool is prolonged; the protective side plates are arranged on the two sides of the upper cover plate, so that the impact resistance of the two sides of the utility model is enhanced, and the structural stability of the utility model is improved; the power line can be pulled out from the hole position for adjustment and connection through the arrangement of the first power supply inlet wire hole position and the second power supply inlet wire hole position, so that the power supply can be connected in a more flexible and convenient manner; through the setting of extension hole site makes utility model the back shroud can extend increases the connector, realizes the batch detection of PCBA board, further improves utility model's practicality and detection efficiency.

Drawings

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

fig. 2 is a schematic diagram of the power supply circuit and the detection circuit of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.

As shown in fig. 1-2, a novel PCBA conduction test fixture, includes box body 1, connector 2, pilot lamp 3 and control switch 4, box body 1 includes front shroud 5 and upper cover plate 6, connector 2 follows the upper portion of front shroud 5 surface stretches out, pilot lamp 3 with control switch 4 all inlays the setting and is in the upper surface of upper cover plate 6, be equipped with supply circuit 7 and detection circuitry 9 in the box body 1, supply circuit 7 includes power adapter 8, control switch 4 with pilot lamp 3 establishes ties in proper order and sets up between power adapter 8's the output and the input, detection circuitry 9 with the both ends of pilot lamp 3 are parallelly connected, connector 2's inner joint with detection circuitry 9 electricity is connected, connector 2's outer joint is connected with the needle cover electricity of the PCBA board that awaits measuring.

In a specific embodiment, the type of the connector 2 is ATX, the number of pins of the inner connector is 8, the pins of the inner connector of the connector 2 include a CS + pin, a CS-pin, a C + pin, a C-pin and an NTC pin, the control switch 4 is electrically connected to the common terminal a of the indicator light 3 and the CS + pin, a common terminal B and a common terminal C between the common terminal a and the CS + pin are electrically connected to the CS-pin and the NTC pin, respectively, the input terminal of the power adapter 8 is electrically connected to the common terminal D of the indicator light 3 and the C + pin, and a common terminal E between the common terminal D and the C + pin is electrically connected to the C-pin.

In a specific embodiment, the power supply circuit 7 comprises a protection resistor 10, and the protection resistor 10 is arranged in series between the output terminal of the power adapter 8 and the control switch 4.

In a specific embodiment, both sides of the upper cover plate 6 are provided with protective side plates 11, and the two groups of protective side plates 11 are respectively matched with the outer walls of the left side plate and the right side plate of the box body 1.

In one embodiment, the converted voltage of the power adapter 8 is 12V.

In one embodiment, the protection resistor 10 has a resistance of 300K Ω.

In one embodiment, the control switch 4 is a normally open push button switch.

In a specific embodiment, a first power inlet hole 12 is provided at a lower portion of an outer surface of the front cover 5, and an extension hole 13 and a second power inlet hole 14 are provided at a rear cover of the case 1.

Will the external commercial power of power converter provides 12V's power to novel PCBA conduction test frock, inserts the PCBA board that awaits measuring of welding good needle cover again connector 2's external joint, presses control switch 4 switch-on supply circuit 7, the produced electric current of 12V power flows through in proper order public end A with pilot lamp 3 makes pilot lamp 3 is bright normally, and the electric current flows to simultaneously public end A's branch road flows through in proper order detection circuit 9 with connector 2, reachs until the electric current the PCBA board back warp that awaits measuring connector 2 returns to public end D, if pilot lamp 3 keeps bright normally and then shows needle cover welding is normal and can normally switch on, otherwise then shows the welding of needle cover has the short circuit problem, accomplishes the conduction test of PCBA board this moment. The utility model is used for conducting the conduction test of the PCBA board, the PCBA board is only required to be inserted into the external connector of the connector 2, the control switch 4 is pressed down to start the tool, and then whether the indicator lamp 3 is kept normally on can be observed, so that whether the needle sleeve welding of the PCBA board has the short circuit problem can be judged, the operation is simple, and the labor is saved; the protective resistor 10 is arranged on the power supply circuit 7, so that the indicator lamp 3 and the power adapter 8 are prevented from being burnt out by overlarge current generated when the detection circuit 9 is short-circuited, and the service life of the novel PCBA conduction test tool is prolonged; the protective side plates 11 are arranged on the two sides of the upper cover plate 6, so that the impact resistance of the two sides of the utility model is enhanced, and the structural stability of the utility model is improved; the power line can be pulled out from the hole position for adjustment and connection through the arrangement of the first power supply inlet wire hole position 12 and the second power supply inlet wire hole position 14, so that the access mode of a power supply is more flexible and convenient; through extension hole site 13's setting makes utility model the back shroud can extend increases connector 2, realizes the batch detection of PCBA board, further improves utility model's practicality and detection efficiency.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a novel PCBA conduction test fixture, its characterized in that, includes box body (1), connector (2), pilot lamp (3) and control switch (4), box body (1) includes front shroud (5) and upper cover plate (6), connector (2) are followed the upper portion of front shroud (5) surface and are stretched out, pilot lamp (3) and control switch (4) are all inlayed and are set up in the upper surface of upper cover plate (6), be equipped with supply circuit (7) and detection circuitry (9) in box body (1), supply circuit (7) include power adapter (8), control switch (4) and pilot lamp (3) establish ties in proper order and set up between the output of power adapter (8) and the input, detection circuitry (9) with the both ends of pilot lamp (3) are parallelly connected, the inner joint of connector (2) with detection circuitry (9) electricity is connected, and the outer joint of the connector (2) is electrically connected with a needle sleeve of the PCBA board to be tested.

2. The novel PCBA conduction test tool according to claim 1, wherein the connector (2) is ATX in type and the number of pins of the inner connector is 8, the inner connector pins of the connector (2) comprise a CS + pin, a CS-pin, a C + pin, a C-pin and an NTC pin, the control switch (4) is electrically connected with the CS + pin and a common end A of the indicator light (3), a common end B and a common end C between the common end A and the CS + pin are electrically connected with the CS-pin and the NTC pin respectively, the input end of the power adapter (8) is electrically connected with the common end D of the indicator light (3) and the C + pin, and a common end E between the common end D and the C + pin is electrically connected with the C-pin.

3. The PCBA conduction test tool according to claim 1, characterized in that the power supply circuit (7) comprises a protection resistor (10), and the protection resistor (10) is arranged in series between the output end of the power adapter (8) and the control switch (4).

4. The PCBA conduction test tool according to claim 1, wherein two sides of the upper cover plate (6) are respectively provided with a protection side plate (11), and the two groups of protection side plates (11) are respectively matched with the outer walls of the left side plate and the right side plate of the box body (1).

5. The PCBA conduction test fixture as claimed in claim 1, wherein the switching voltage of the power adapter (8) is 12V.

6. The novel PCBA conduction test tool according to claim 3, wherein the resistance value of the protection resistor (10) is 300K Ω.

7. The PCBA conduction test tool according to claim 1, characterized in that the control switch (4) is a normally open button switch.

8. The PCBA conduction test tool according to claim 1, wherein a first power supply inlet wire hole site (12) is arranged at the lower portion of the outer surface of the front cover plate (5), and an extension hole site (13) and a second power supply inlet wire hole site (14) are arranged on the rear cover plate of the box body (1).