CN210109226U

CN210109226U - USB power consumption testing device

Info

Publication number: CN210109226U
Application number: CN201920433679.1U
Authority: CN
Inventors: 李金�
Original assignee: SHENZHEN DUSHEN TECHNOLOGY CO LTD
Current assignee: SHENZHEN DUSHEN TECHNOLOGY CO LTD
Priority date: 2019-04-01
Filing date: 2019-04-01
Publication date: 2020-02-21
Anticipated expiration: 2029-04-01

Abstract

A USB power consumption test apparatus, comprising: the shell comprises an upper cover and a lower cover, the upper cover and the lower cover are buckled to form a closed space, and the upper cover comprises an observation window; the main board assembly comprises a circuit board, a first interface and a second interface, wherein the circuit board, the first interface and the second interface are positioned in the closed space, the first interface and the second interface are connected to the circuit board and extend out of the shell, and the first interface is connected with the second interface; a display screen connected to the circuit board, the display screen being parallel to the upper cover of the case and corresponding to the observation window to display power consumption information through the observation window. The USB power consumption testing device is connected with the testing equipment through the first interface to perform power consumption testing on the testing equipment, and then the testing data are displayed on the display screen, so that a user can directly read the data through the observation window of the shell, and the power consumption testing on the testing equipment can be performed more conveniently and simply.

Description

USB power consumption testing device

Technical Field

The utility model relates to a test equipment, especially a USB consumption testing arrangement.

Background

The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.

Due to the development of modern industry, various electronic devices are widely used in industrial society. The power consumption of an electronic device is an important parameter and is an indispensable test item. The current universal power consumption test method is to directly use an external power supply or to test by connecting an ammeter in series, but the method has low test precision and complex operation. Especially, in the electronic device powered by USB, the above method is not a good choice, for example, the power consumption of the electronic device can be conveniently and accurately tested while ensuring the normal transmission of USB data.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a USB power consumption testing apparatus that can intuitively display test data.

A USB power consumption test apparatus, comprising:

the shell comprises an upper cover and a lower cover, the upper cover and the lower cover are buckled to form a closed space, and the upper cover comprises an observation window;

the mainboard assembly comprises a circuit board, a first interface and a second interface, wherein the circuit board is positioned in the closed space, the first interface and the second interface are connected to the circuit board and extend out of the shell, the first interface is used for connecting test equipment to test the power consumption of the test equipment, the second interface is used for connecting a power supply, and the first interface is connected with the second interface, so that the second interface supplies power to the test equipment through the first interface;

and the display screen is connected to the circuit board and used for displaying power consumption information, and the display screen is parallel to the upper cover of the shell and corresponds to the observation window so as to display the power consumption information through the observation window.

Preferably, the first interface is an a-type USB interface, and is used to connect a test device to test power consumption information of the test device. The second interface is a B-type USB interface and is used for connecting a power supply.

Preferably, the display device further comprises a processor, a memory and an analog-to-digital conversion sampler which are arranged on the circuit board, and the processor is respectively connected with the memory, the analog-to-digital conversion sampler and the display screen.

Preferably, the first interface and the second interface are respectively located at two opposite sides of the housing, and the first interface and the second interface are respectively soldered to the circuit board.

Preferably, the display screen is a liquid crystal screen. The pin header of the display screen is electrically connected with the pin header of the circuit board.

Preferably, the display device further comprises a first connector, wherein the first connector penetrates through the display screen and is connected to the lower cover so as to fix the display screen.

Preferably, the circuit board is connected to the lower cover by a second connector.

Preferably, the upper cover and the lower cover are connected through a third connecting piece.

Compared with the prior art, the USB power consumption testing device is connected with the testing equipment through the first interface to perform power consumption testing on the testing equipment, and then the testing data are displayed on the display screen, so that a user can directly read the data through the observation window of the shell, and the power consumption testing on the testing equipment can be performed more conveniently and simply. In addition, the second interface of the USB power consumption testing device can also supply power to the testing equipment through the first interface, the power consumption testing module is used for testing the power consumption information of the testing equipment while supplying power, the power consumption information is transmitted to the display screen to be displayed and stored in the memory, and the defects of more manual operation, complex operation and low testing precision in the conventional power consumption testing are overcome.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

FIG. 1 is a schematic structural diagram of a USB power consumption testing device.

Fig. 2 is a schematic diagram of a connection structure between a motherboard assembly and a display screen of the USB power consumption testing apparatus.

Description of the main elements

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

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and detailed description. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, and the described embodiments are merely some embodiments, rather than all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

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 herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

In various embodiments of the present invention, for convenience of description and not limitation, the term "connected" as used in the specification and claims of the present invention is not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.

FIG. 1 is a schematic structural diagram of a USB power consumption testing device. As shown in fig. 1, the USB power consumption testing apparatus includes a housing, a motherboard assembly and a display screen 20, the motherboard assembly and the display screen 20 are accommodated in the housing, and the display screen 20 is connected to the motherboard assembly and is configured to display testing information.

The shell comprises an upper cover 10 and a lower cover 40, wherein the upper cover 10 and the lower cover 40 are provided with concave parts, and the concave parts of the upper cover 10 and the lower cover 40 are buckled oppositely to form a closed space. The main board assembly and the display screen 20 are disposed in the enclosed space, and the housing may protect the main board assembly and the display screen 20. In this embodiment, the upper cover 10 includes a hollow-out viewing window 11 (i.e. the area of the viewing window 11 has no material and is a through hole), through which the user can directly see the test information displayed on the display screen 20. in other embodiments, the area of the viewing window 11 can be covered with glass or other transparent material, so that the user can see the test information displayed on the display screen 20 through the viewing window 11, so as to clearly display the data of the display screen 20. in order to facilitate the connection of the upper cover 10 and the lower cover 40, the housing further includes a third connecting member 41, and the lower cover 40 is provided with four third connecting holes 43 corresponding to the third connecting member 41. in this embodiment, the third connecting holes 43 are through holes penetrating through both sides of the lower cover 40. the third connecting member 41 is screwed to the upper cover 10 through the third connecting holes 43, so that the upper cover 10 and the lower cover 40 can be fastened together and firmly connected, forming a closed space.

Fig. 2 is a schematic diagram of a connection structure between the motherboard assembly and the display screen 20 of the USB power consumption testing apparatus. As shown in fig. 1 and 2, the motherboard assembly includes a circuit board 30, a power consumption test module 37, a first interface 33, and a second interface 32, which are located in the enclosed space.

The power consumption testing module 37 comprises a processor 35(MCU) arranged on the circuit board 30, a memory and an analog-to-digital conversion sampler 34, wherein the processor 35 is connected with the memory and the analog-to-digital conversion sampler 34 respectively, and the memory is used for storing power consumption data obtained by testing.

Through holes are formed at four corners of the circuit board 30, and in order to stably connect the circuit board 30, a protruding cantilever is formed in the lower cover 40, and a second connection hole 42 is formed in the cantilever. The circuit board 30 is connected to the second connection hole 42 of the lower cover 40 through the through hole of the circuit board 30 by the second connection member 31. In the present embodiment, the second connection hole 42 is a screw hole, and the second connector 31 is screwed to a sidewall of the second connection hole 42.

In this embodiment, the first interface 33 is an a-type USB3.0 interface, and is used to connect to the test equipment 60 to test the power consumption information of the test equipment 60. The first interface 33 is soldered to the circuit board 30 and protrudes from one side of the housing to facilitate connection of a test device 60.

The second interface 32 is a B-type USB3.0 interface for connecting to a power supply. In this embodiment, the second interface 32 may be connected to the PC device 50 for providing power to the host component. The second interface 32 is soldered to the circuit board 30 and protrudes from the other side of the housing such that the first interface 33 and the second interface 32 are located at opposite sides of the housing, respectively, and the PC device 50 supplies power to the power consumption test module 37 and the test device 60. The second interface 32 is connected to the first interface 33, that is, the first interface 33 and the second interface 32 are electrically connected to each other, so as to perform a switching function between a power supply and the testing device 60, so that the second interface 32 supplies power to the testing device 60 through the first interface 33. While supplying power to the test device 60, the power supply may also supply power to the power consumption test module 37 through the second interface 32. The power consumption testing module 37 is respectively connected to the first interface 33 and the second interface 32, and is configured to test the power consumption information of the testing device 60 through the second interface 32. When power is supplied, the test device 60 tests the power consumption of the test device 60 when the test device 60 normally works, and the power consumption test module 37 tests the power consumption information of the test device 60 and transmits the data of the power consumption information to the display screen 20. The display screen 20 is connected to the circuit board 30 for displaying power consumption information, and the power consumption testing module 37 transmits the testing information to the display screen 20 to display the power consumption information. The display screen 20 is parallel to the upper cover 10 of the case and corresponds to the viewing window 11 to display the power consumption information through the viewing window 11. In this embodiment, the display screen 20 is a liquid crystal display, and the pins of the display screen 20 are electrically connected to the bus bars of the circuit board 30. In order to more firmly connect the display screen 20, the USB power consumption testing apparatus further includes a first connector 21, and the first connector 21 is connected to the lower cover 40 through the through hole of the display screen 20 to fix the display screen 20. Specifically, the four corners of the display screen 20 have through holes corresponding to the first connection holes 36 of the four corners of the lower cover 40, and the first connection member 21 passes through the through hole of the display screen 20 and is connected to the first connection hole 36 of the lower cover 40 to fix the display screen 20.

In operation, the PC device 50 and the second interface 32 are connected by a USB3.0 wire, and the test device 60 and the first interface 33 are connected by a USB3.0 wire.

The PC device 50 supplies power to the power consumption testing module 37 and the display screen 20 through the second interface 32, supplies power to the testing device 60 through the first interface 33, and after the current is sampled by the analog-to-digital conversion sampler 34, calculates the current power consumption data through the processor 35 and displays the current power consumption data on the display screen 20.

The USB power consumption testing apparatus described above connects the testing device 60 through the first interface 33 to perform power consumption testing on the testing device 60, and then by displaying the test data on the display screen 20, the user can directly read the data through the observation window 11 of the housing, so that the power consumption testing on the testing device 60 can be performed more conveniently and simply. However, the USB power consumption testing apparatus may also be used for electronic devices with a conventional USB interface, for example, the first interface 33 may also be used as an electronic device with only a power supply interface.

In the several embodiments provided in the present disclosure, it should be understood that the disclosed systems and methods may be implemented in other ways. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. Several units or means recited in the system claims may also be implemented by one and the same unit or means in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.

The above embodiments are only used to illustrate the technical solutions of the present invention and not to limit the same, and although the present invention has been described in detail with reference to the above preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A USB power consumption testing apparatus, comprising:

2. The USB power consumption testing apparatus according to claim 1, wherein the first interface is an a-type USB interface for connecting a testing device to test power consumption information of the testing device.

3. The USB power consumption testing apparatus of claim 1, wherein the second interface is a type B USB interface for connecting to a power supply.

4. The USB power consumption testing device according to claim 1, further comprising a processor, a memory and an analog-to-digital converter sampler on the circuit board, wherein the processor is connected to the memory, the analog-to-digital converter sampler and the display screen.

5. The USB power consumption testing device as claimed in claim 4, wherein the first interface and the second interface are respectively located at two opposite sides of the housing, and the first interface and the second interface are respectively soldered to the circuit board.

6. The USB power consumption testing device of claim 4, wherein the display screen is a liquid crystal screen.

7. The USB power consumption testing device as recited in claim 4, wherein the pin header of the display screen is electrically connected to the pin header of the circuit board.

8. The USB power consumption testing device of claim 7, further comprising a first connector connected to the lower cover through the display screen to secure the display screen.

9. The USB power consumption test device according to claim 8, wherein the circuit board is connected to the lower cover by a second connector.

10. The USB power consumption testing apparatus of claim 9, wherein the upper cover and the lower cover are connected by a third connecting member.