CN213122235U

CN213122235U - TP interface detection device

Info

Publication number: CN213122235U
Application number: CN202021271623.XU
Authority: CN
Inventors: 贺建文
Original assignee: Wannian Lianchuang Display Technology Co ltd
Current assignee: Wannian Lianchuang Display Technology Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-05-04
Anticipated expiration: 2030-07-02

Abstract

The utility model provides a TP interface detection device, the TP interface includes IOVCC and VCC, TP interface detection device includes the main power, the master switch, first control circuit and second control circuit, first control circuit includes central processing unit and first LED lamp, the central processing unit input is connected with the master switch, first joint is connected to the output, first LED lamp and main power and second articulate, first joint and second joint are used for connecting IOVCC's both ends respectively, second control circuit includes second LED lamp, and second LED lamp and main power and third articulate, the fourth articulate on main switch and the second control circuit, the third joint is used for being connected respectively with the fourth joint the both ends of VCC, central processing unit embeds there is a digital analog converter to break-make through the first control circuit of digital analog converter control. The utility model discloses simple structure can judge whether IOVCC and VCC short circuit through the luminance of observing the LED lamp.

Description

TP interface detection device

Technical Field

The utility model relates to a TP interface technical field, in particular to TP interface detection device.

Background

With the development of science and technology, more and more electronic products appear, and functions are more and more, and then electronic components in the electronic products are more and more. The TP interface plays a role in lifting the weight as an interactive bridge between electronic products, and the stability of the TP interface depends on whether the electronic products can be normally used or not.

In the prior art, the customer usually designs the IOVCC to be very close to the VCC location due to design reasons, so that during manufacturing, the pins of the two are likely to be welded together due to welding precision or operation level of workers, which causes short circuit. Because the electric potentials of the IOVCC and the VCC are both high level, when the test is carried out, the IOVCC and the VCC are connected in parallel, the test device respectively tests the electric potentials of the IOVCC and the VCC, and if the test device results are all displayed as high level, the test device is considered to be qualified. However, in this way, if the IOVCC and the VCC are short-circuited, the result of the testing device still shows a high level, and therefore, it is impossible to detect whether the IOVCC and the VCC are short-circuited by the testing device.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a TP interface detection device to solve among the prior art can't judge the problem whether VCC and IOVCC in the TP interface short circuit through testing arrangement.

In order to achieve the above object, the utility model provides a following technical scheme: a TP interface detection device comprises an IOVCC and a VCC, the TP interface detection device comprises a main power supply and a main switch which are connected, the main switch is connected with the positive pole of the main power supply, the TP interface detection device also comprises a first control circuit and a second control circuit which are connected in parallel on the main switch, the first control circuit comprises a central processing unit and a first LED lamp, the input end of the central processing unit is connected with the main switch, the output end of the central processing unit is connected with a first joint, one end of the first LED lamp is connected with the negative pole of the main power supply, the other end of the first LED lamp is connected with a second joint, the first joint and the second joint are respectively used for connecting the two ends of the IOVCC, the second control circuit comprises a second LED lamp and a fourth joint which extends out of the main switch through a lead, one end of the second LED lamp is connected with the negative pole of the main power supply, the other end of the second, the main switch is connected with the fourth joint, the third joint and the fourth joint are respectively used for connecting two ends of the VCC, a digital-to-analog converter is arranged in the central processing unit, and the central processing unit controls the on-off of the first control circuit through the digital-to-analog converter.

Furthermore, the TP interface detection device comprises a fixing plate, and components and wires of the TP interface detection device except the fixing plate are fixed in the fixing plate.

Further, the fixing plate is made of a water absorbent resin material.

Furthermore, the fixed plate is provided with a fixed part, the fixed part has the same size as the TP interface, the fixed part is provided with a plurality of terminals, and the TP interface is arranged in the fixed part and is connected with the TP interface detection device by contacting with the terminals.

Furthermore, the two sides of the fixing part are provided with taking and placing parts for an operator to take and place the TP interface, and the taking and placing parts are in the shape of grooves.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses circuit design simple structure, through with first LED lamp and second LED lamp parallel connection, then the break-make through the first control circuit of digital analog converter control in the central controller, when observing that first LED lamp is bright simultaneously with the second LED lamp, can judge IOVCC and VCC short circuit, when observing that only second LED lamp is bright, can confirm IOVCC and VCC not short circuit.

Drawings

Fig. 1 is a circuit diagram of a TP interface detection apparatus according to a first embodiment of the present invention;

fig. 2 is a structural diagram of a TP interface detection device according to a first embodiment of the present invention;

description of the main element symbols:

central processing unit	10	VCC	15
				IOVCC	11	Main switch	16
First LED lamp	12	Fixing part	17
				Second LED lamp	13	Fixing plate	18
Main power supply	14	Terminal with a terminal body	19

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, a TP interface detection device according to a first embodiment of the present invention is shown, wherein the TP interface includes IOVCC11 and VCC15, the TP interface detection device includes a main power supply 14 and a main switch 16 connected to each other, it should be noted that the main switch 16 is connected to the positive pole of the main power supply 14, in addition, the TP interface detection device further includes a first control circuit and a second control circuit connected in parallel to the main switch 16, the first control circuit includes a central processing unit 10 and a first LED lamp 12, the input end of the central processing unit 10 is connected to the main switch 16, the output end is connected to a first connector, one end of the first LED lamp 12 is connected to the negative pole of the main power supply 14, the other end is connected to a second connector, the first connector and the second connector are respectively used for connecting two ends of IOVCC11, similar to the first control circuit, the second control circuit includes a second LED lamp 13 and a fourth connector extending from the main switch 16 through a wire, one end of the second LED lamp 13 is connected with the negative electrode of the main power supply 14, the other end of the second LED lamp is connected with a third joint, the main switch 16 is connected with a fourth joint on the second control circuit, the third joint and the fourth joint are respectively used for connecting two ends of VCC15, in addition, a digital-to-analog converter is further arranged in the central processing unit 10, and the central processing unit 10 controls the on-off of the first control circuit through the digital-to-analog converter.

In order to improve the efficiency of the TP interface detection device for detecting the TP interface in the production process, the TP interface detection device further includes a fixing plate 18, as shown in fig. 2, components and wires of the TP interface detection device except for the fixing plate 18 are fixed in the fixing plate 18, and meanwhile, since the electronic components are easily damaged in a humid environment, the fixing plate 18 is made of a water-absorbent resin material, so that the performance of the TP interface detection device is effectively prevented from being influenced by moisture in the air.

Furthermore, the fixing plate 18 is further provided with a fixing portion 17, the fixing portion 17 has the same size as the TP interface, the fixing portion 17 is provided with a plurality of terminals 19, and the TP interface is disposed in the fixing portion 17 and is connected to the TP interface detection device by contacting with the terminals 19. In order to facilitate the operator to test the TP interfaces in batch, the two sides of the fixing portion 17 are further provided with a taking and placing portion for the operator to take and place the TP interfaces, the shape of the taking and placing portion is set to be a groove, and the operator can take and place the TP interfaces quickly by stretching fingers into the groove.

In this embodiment, the working principle of the TP interface detection device is as follows: when the TP interface detecting device is turned on, the operator controls the on/off of the first control circuit through the central processing unit 10, and when the first control circuit is turned off, if only the second LED lamp 13 is turned on, it indicates that there is no short circuit between VCC15 and IOVCC11, and if the first LED lamp 12 is still turned on when turned off, it indicates that there is a short circuit between VCC15 and IOVCC 11.

To sum up, the utility model discloses TP interface detection device in the middle of the above-mentioned embodiment, the utility model discloses simple structure, can judge whether IOVCC11 and VCC15 short circuit through observing first LED lamp 12 and second LED lamp 13's the state of lighting, and simultaneously, the setting of fixed plate 18, fix TP interface detection device wherein on the one hand, make TP interface detection device during operation more stable, and on the other hand, fixed part 17 and get the setting of putting the portion, make the detection TP interface that the operator can be more convenient, the efficiency of work has been promoted, furtherly, fixed plate 18 adopts the water-absorbent resin material to make, the aqueous vapor influence performance in the in-process detected by the air to the TP interface has effectively been prevented.

The above-mentioned embodiments only represent one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A TP interface detection device, the TP interface includes IOVCC and VCC, its characterized in that, the TP interface detection device includes the total power and the total switch that are connected, the total switch is connected with the total power positive pole, it also includes the first control circuit and the second control circuit that are connected in parallel on the total switch, the first control circuit includes the central processing unit and the first LED lamp, the central processing unit input end is connected with the total switch, the output end is connected with the first connector, one end of the first LED lamp is connected with the total power negative pole, the other end is connected with the second connector, the first connector and the second connector are used for connecting the two ends of the IOVCC respectively, the second control circuit includes the second LED lamp and the fourth connector that extends out from the total switch through the wire, one end of the second LED lamp is connected with the total power negative pole, the other end is connected with the third connector, the main switch is connected with the fourth joint, the third joint and the fourth joint are respectively used for connecting two ends of the VCC, a digital-to-analog converter is arranged in the central processing unit, and the central processing unit controls the on-off of the first control circuit through the digital-to-analog converter.

2. The TP interface detection device of claim 1, further comprising a fixing plate, wherein components and wires of the TP interface detection device other than the fixing plate are fixed in the fixing plate.

3. The TP interface detecting device of claim 2, wherein the fixing plate is made of a water-absorbent resin material.

4. The device of claim 2, wherein the fixing plate has a fixing portion, the fixing portion is equal in size to the TP interface and has a plurality of terminals, and the TP interface is disposed in the fixing portion and is connected to the TP interface detecting device by contacting the terminals.

5. The device according to claim 4, wherein a pick-and-place portion is disposed on two sides of the fixing portion for an operator to pick and place the TP interface, and the pick-and-place portion is shaped as a groove.