TWI553468B - Apparatus for usb port testing - Google Patents

Description

Universal serial bus sputum detection device

The present invention relates to a detecting device, and more particularly to a universal serial bus sputum detecting device.

In general, electronic products undergo a certain inspection process during production to ensure that the various functions of the electronic products can function properly. Specifically, the detection items of the electronic product can be divided into automatic detection and manual detection, wherein the automatic detection can connect the electronic product to the computer device to automatically perform the detection, and the manual detection requires the operator to perform the detection manually.

For example, the detection of a plurality of Universal Serial Bus (USB) ports on an electronic product usually requires the operator to manually detect the jig insertion and removal of the universal serial bus bar. This type of detection is not only slower in the detection speed, but also more likely to cause damage to the test fixture due to the continuous insertion and removal of the test fixture.

Therefore, how to design the universal serial bus enthalpy detection device under the premise of taking both the detection speed and the detection fixture maintenance is a big challenge.

One aspect of the present disclosure is directed to a universal serial bus bar detection device that includes a circuit board, a universal sequence bus hub, a management controller, and a control interface. The universal serial bus hub, the management controller and the control interface are all electrically disposed on the circuit board, and the management controller is used to automatically control the universal serial bus hub for detection, and the control interface serves as an input and output interface of the circuit board, wherein the control interface utilizes the output. The high and low potentials of the signal control the driving relay, so that the normally open contact and the common contact form a short circuit to simulate that the detection button is pressed, and the normally closed contact and the common contact are short-circuited to simulate that the detection button is released.

In summary, the technical solution of the present invention has obvious advantages and beneficial effects compared with the prior art. With the above technical solution, considerable technological progress can be achieved, and it has extensive use value in the industry. In this case, the universal serial bus hub and the management controller are integrated on the same circuit board, and the control interface is used as the input and output of the circuit board. interface. Through the technology of this case, the management controller can automatically control the universal serial bus hub to detect the universal serial bus, greatly reducing the manpower required for the traditional manual detection and the damage rate of the detection fixture, and can speed up the detection through automatic control. Speed, reducing the time required for detection.

The following is a detailed description of the embodiments in order to provide a better understanding of the scope of the present invention, but the embodiments are not intended to limit the scope of the disclosure, and the description of the structural operation is not limited. The order in which they are performed, any structure that is recombined by components, produces equal-efficiency devices, and is covered by this disclosure. In addition, according to industry standards and practices, the drawings are only for the purpose of assisting the description, and are not drawn according to the original size. In fact, the dimensions of the various features may be arbitrarily increased or decreased for convenience of explanation. In the following description, the same elements will be denoted by the same reference numerals for convenience of understanding.

The terms used in the entire specification and the scope of the patent application, unless otherwise specified, generally have the ordinary meaning of each term used in the field, the content disclosed herein, and the particular content. Certain terms used to describe the present disclosure are discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in the description of the disclosure.

In addition, the terms "including", "including", "having", "containing", etc., which are used in this case are all open terms, meaning "including but not limited to". In addition, "and/or" used in the present case includes any one or a combination of one or more of the related listed items.

In this case, when an element is referred to as "connected" or "coupled", it may mean "electrically connected" or "electrically coupled". "Connected" or "coupled" can also be used to indicate that two or more components operate or interact with each other. In addition, although the terms "first", "second", and the like are used in the present description to describe different elements, the terms are only used to distinguish elements or operations described in the same technical terms. The use of the term is not intended to be a limitation or a

1A and 1B are respectively a front view and a reverse side view of a universal serial busbar sputum detecting device according to an embodiment disclosed in the present disclosure. As shown in FIGS. 1A and 1B, the universal serial bus bar detection device 100 includes a circuit board 102, a universal sequence bus hub 104, a management controller 106, and a control interface 108.

The universal serial bus hub 104, the management controller 106, and the control interface 108 are all electrically disposed on the circuit board 102. The universal serial bus hub 104 includes a plurality of universal serial bus bars 110, and the control interface 108 includes a plurality of control interfaces. Input and output 埠 112. In one embodiment, the universal sequence bus hub 104 and the management controller 106 are electrically disposed on different sides of the circuit board 102, thereby saving configuration space available on the circuit board 102 for circuit design, such as FIG. 1A and FIG. 1B. The figure shows.

The management controller 106 is configured to automatically control the universal sequence bus hub 104 for detecting the general sequence bus, and the control interface 108 serves as an input and output interface of the circuit board 102. The management controller 106 can be an image download management (Image Download Management). , IDM) controller, control interface 108 can be a General Purpose Input/Output (GPIO) interface.

In an embodiment, according to the operating state of the management controller 106, the universal sequence bus bar 110 can be used as an input and output interface of a general universal sequence bus. Specifically, when the management controller 106 is in the operating state, the universal sequence bus hub 104 is used as the detection fixture, so the universal sequence bus bar 110 cannot be used as the input and output interface of the general universal sequence bus, when the management controller 106 In the non-operating state, the universal serial bus 埠 110 can be used as an input/output interface of a general universal serial bus for connecting other peripheral devices, wherein the peripheral device can be a mouse, a scanner or any universal serial bus as an input. Output interface device.

In one embodiment, the universal serial bus bar detection device 100 further includes a transformer 114 for providing energy to the universal sequence bus bar detection device 100. In another embodiment, the universal serial bus bar detecting device 100 further includes an internal integrated circuit electrically disposed on the circuit board as a serial communication bus, and the universal serial bus bar detecting device 100 can pass through the internal integrated circuit. The input/output port 116 is connected to other peripheral devices, wherein the peripheral device can be a motherboard or an embedded system.

FIG. 2 is a block diagram of a universal serial bus bar detection device according to an embodiment of the present disclosure. As shown in FIG. 2, the universal sequence bus hub 104 is electrically connected to the management controller 106, and is then electrically connected to the control interface 108 by the management controller 106. The input signal is input to the universal serial bus sputum detecting device 100 via the universal serial bus 埠 110. Subsequently, the universal serial bus sputum detecting device 100 generates a corresponding output signal and is outputted by the input/output 埠 112 of the control interface, wherein the management controller 106 The management controller can be downloaded for the image, and the control interface 108 can be a general-purpose input/output interface.

Specifically, the system analysis device (such as FIG. 3, the system analysis device 302) generates an input signal, and transmits the input signal to the management controller 106 via the universal sequence bus hub 104 through the universal sequence bus bar 110, thereby driving Management controller 106. When the management controller 106 is started, the management controller 106 uses the universal sequence bus hub 104 as a detection fixture for automatically performing the detection of the universal sequence bus, and then the universal sequence bus sputum detecting device 100 generates an output signal to The device to be tested (as shown in Fig. 3, device to be detected 304). It should be understood that this embodiment is only used to demonstrate a feasible connection relationship between the universal sequence bus hub, the management controller, and the control interface, and is not intended to limit the implementation of the present invention.

The universal serial bus hub 104 includes a plurality of universal serial bus bars 110, and the control interface 108 includes input and output ports 112 of a plurality of control interfaces. In an embodiment, according to the operating state of the management controller 106, the universal sequence bus bar 110 can be used as an input and output interface of a general universal sequence bus. Specifically, when the management controller 106 is in the operating state, the universal sequence bus hub 104 serves as a detection fixture for the universal sequence bus, so the universal sequence bus 埠 110 cannot be used as an input/output interface of the general universal sequence bus. When the management controller 106 is in an inoperative state, the universal sequence bus bar 110 can be used as an input and output interface of a general universal serial bus for connecting other peripheral devices, wherein the peripheral device can be a mouse, a scanner or any general purpose The serial bus acts as a means of input and output interfaces.

FIG. 3 is a schematic diagram showing the operation of the universal serial bus sputum detecting device according to an embodiment disclosed in the present disclosure. As shown in FIG. 3, the system analyzing device 302 is electrically connected to the universal serial bus bar detecting device 100, and then electrically connected to the relay 306 by the universal serial bus bar detecting device 100, and finally the relay 306 is electrically connected to be detected. The device 304, wherein the system analysis detecting device can be a desktop computer or a notebook computer.

The system analyzing device 302 generates an input signal, and transmits the input signal to the universal serial bus bar detecting device 100 through the universal serial bus cable. Then, the universal sequence bus bar detecting device 100 generates a corresponding output signal and outputs the signal. Further transmission to relay 306. According to the high and low potential of the output signal, the relay 306 is selectively activated. The relay 306 includes a normally open contact NO, a normally closed contact NC, and a common contact C, wherein the common contact C is connected to the ground. In one embodiment, the universal serial bus bar detection device 100 is connected to the relay 306 via a Metal Oxide Semiconductor Field Effect Transistor (MOSFET), and is amplified by the metal oxide semiconductor field effect transistor 308. The serial bus is connected to the output signal of the device 100.

Specifically, when the output signal of the universal serial bus bar detecting device 100 is high, the high potential driving relay 306 of the output signal forms a short circuit between the normally open contact NO and the common contact C, which is equivalent to the analog detecting button. When pressed, the output signal cannot be transmitted to the device to be detected 304 through the relay 306. When the output signal of the universal sequence bus bar detecting device 100 is low, the low potential of the output signal cannot drive the relay 306, and the normally closed contact NC and A short circuit is formed between the common contacts C, which is equivalent to the analog detection button being released, so that the output signal can be transmitted to the device to be detected 304 through the relay 306. It should be understood that the relationship between the high and low potentials of the output signal and the relay drive in this embodiment can be reversed by appropriate circuit correction. Therefore, this embodiment is not intended to limit the present embodiment.

In an embodiment, the button press detection of the computer keyboard can be performed by the above operation mode, and the short circuit and the open circuit between the normally open contact NO and the common contact C of the relay 306 caused by the high and low potentials of the output signal are respectively simulated. The state in which the keyboard keys of the computer are pressed and released. It should be understood that this embodiment is only used to demonstrate the actual application and operation mode of the universal serial busbar detection device, and is not intended to limit the implementation of the present invention.

In the above embodiment, the integrated serial bus hub and the management controller are integrated on the same circuit board, and the control interface is used as an input/output interface of the circuit board, specifically, a universal serial bus hub, a management controller, and a control. The interfaces are electrically disposed on the circuit board. Through the technology of this case, the management controller can automatically control the universal serial bus hub to detect the universal serial bus, greatly reducing the manpower required for the traditional manual detection and the damage rate of the detection fixture, and can speed up the detection through automatic control. Speed, reducing the time required for detection.

Those skilled in the art will readily appreciate that the disclosed embodiments achieve the advantages of one or more of the foregoing examples. After reading the foregoing description, those skilled in the art will be able to make various modifications, substitutions, equivalents, and various other embodiments. Therefore, the scope of protection of the present invention is defined by the scope of the patent application and its equal scope.

100‧‧‧Universal serial bus sputum detection device
102‧‧‧ boards
104‧‧‧Universal Sequence Bus Hub
106‧‧‧Management controller
108‧‧‧Control interface
110‧‧‧General Sequence Bus 埠
112‧‧‧Control interface input and output埠
114‧‧‧Transformers
116‧‧‧Input and output of internal integrated circuits埠
302‧‧‧System Analysis Device
304‧‧‧Device to be tested
306‧‧‧ Relay
308‧‧‧Metal Oxide Semiconductor Field Effect Transistor
C‧‧‧ joints
NC‧‧‧Normally closed joints
NO‧‧‧Normally open contacts

1A and 1B are respectively a front view and a reverse side view of a universal serial busbar sputum detecting device according to an embodiment disclosed in the present disclosure. FIG. 2 is a block diagram of a universal serial bus bar detection device according to an embodiment of the present disclosure. FIG. 3 is a schematic diagram showing the operation of the universal serial bus sputum detecting device according to an embodiment disclosed in the present disclosure.

100‧‧‧Universal serial bus sputum detection device

102‧‧‧ boards

104‧‧‧Universal Sequence Bus Hub

108‧‧‧Control interface

110‧‧‧General Sequence Bus 埠

112‧‧‧Control interface input and output埠

114‧‧‧Transformers

116‧‧‧Input and output of internal integrated circuits埠

Claims (8)

A universal serial bus sputum detecting device comprises: a circuit board; a universal serial bus hub, electrically disposed on the circuit board; a management controller electrically disposed on the circuit board for automatically controlling the A general-purpose serial bus hub is used for detecting; a control interface is electrically disposed on the circuit board as an input/output interface of the circuit board, wherein the control interface uses a high and low potential of an output signal to control the driving relay to make a common The open contact and the common contact form a short circuit to simulate that the detection button is pressed, and a normally closed contact is short-circuited with the common contact to simulate that the detection button is released. The universal sequence bus bar detection device according to claim 1, wherein the control interface is a general-purpose input/output interface. The universal sequence bus bar detection device of claim 1, wherein the management controller is an image download management controller. The universal sequence bus bar detection device of claim 1, wherein the universal sequence bus hub and the management controller are electrically disposed on different sides of the circuit board. The universal sequence bus bar detection device of claim 1, wherein the universal sequence bus bar comprises a plurality of universal sequence bus bars, and the universal sequence bus bar is used as an input/output interface of the universal sequence bus. The universal sequence bus bar detection device according to claim 5, wherein the general sequence bus bar is selectively used as an input/output interface of the universal sequence bus according to an operation state of the management controller. The universal sequence bus sputum detecting device according to claim 1, further comprising a transformer electrically disposed on the circuit board for supplying energy to the universal sequence bus sputum detecting device . The universal sequence bus sputum detecting device of claim 1, further comprising an internal integrated circuit electrically disposed on the circuit board.