CN212965301U

CN212965301U - Test equipment for IO card

Info

Publication number: CN212965301U
Application number: CN202022021036.1U
Authority: CN
Inventors: 王侃; 宋文斌; 何雷
Original assignee: SUZHOU GUFUDAO AUTOMATION TECHNOLOGY CO LTD
Current assignee: SUZHOU GUFUDAO AUTOMATION TECHNOLOGY CO LTD
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-04-13
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses a test equipment of IO card. The test equipment of the IO card comprises a control unit, a base and a cover plate; the control unit and the cover plate are arranged on the base, and the control unit is connected with the IO card to be detected and used for providing a detection signal for the IO card to be detected; the cover plate is provided with a detection input port and a detection output port, the detection input port of the cover plate is connected with the IO card to be detected, the detection output port of the cover plate is connected with the detection input port of the cover plate, and the detection output port is used for outputting a detection result of the IO card to be detected connected with the detection output port. Because the utility model discloses the test equipment of IO card has simplified the operation that the wiring touched the IO point with manual to need additionally not dispose test environment, can reduce hand labor power, effectual improvement efficiency of software testing and correct rate.

Description

Test equipment for IO card

Technical Field

The embodiment of the utility model provides a relate to test technical field, especially relate to a test equipment of IO card.

Background

In a Circuit board dynamic function Test (FCT) Test fixture in the market at present, the FCT Test fixture is designed to be externally connected with a control device, a screen, a Circuit and the like according to Test requirements of a tested product and a customer before Test operation. The FCT test fixture on the market is used for testing the IO port function of the IO card, and because the number of the IO ports of the IO card is large, a large amount of complicated preparation work needs to be performed before the IO card is tested, for example: a large amount of wiring, deployment of a suitable test environment, manual touch of IO and the like. The preparation work needs manual work to be implemented, the efficiency is low, errors are easy to occur, and therefore the requirement of the IO card production line on the efficiency of IO card detection cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model provides a test equipment of IO card for simplify the preparation work that the IO card carries out before the IO mouth functional test, reduce the human labor, effectual improvement efficiency of software testing and correct rate.

The embodiment of the utility model provides a test equipment of IO card, including control unit, base and apron;

the control unit and the cover plate are arranged on the base, and the control unit is connected with the IO card to be detected and used for providing a detection signal for the IO card to be detected; the cover plate is provided with a detection input port and a detection output port, the detection input port of the cover plate is connected with the IO card to be detected, the detection output port of the cover plate is connected with the detection input port of the cover plate, and the detection output port is used for outputting a detection result of the IO card to be detected connected with the detection output port.

Optionally, the test equipment cover plate of the IO card includes a plurality of cover plates, and each cover plate is connected with an IO card to be detected.

Optionally, a plurality of cover plates of the test equipment of the IO card are coaxially connected.

Optionally, in the test equipment cover plate of the IO card, a plurality of detection input ports and a plurality of detection output ports are provided, and at least a part of the detection output ports are connected to two different detection input ports.

Optionally, the test device detection output ports of the IO card include at least one first detection output port and at least one second detection output port; each first detection output port is connected with two different detection input ports, and the second detection output port is used for detecting the disconnection of the detection output ports when setting.

Optionally, the IO card testing device further includes an ECAT network interface disposed on the base, and the control unit is connected to the IO card to be detected through the ECAT network interface.

Optionally, the test equipment for the IO card further includes an external interface, which is disposed on the base, and the external interface is connected to the control unit and is used for receiving the test program to the control unit.

Optionally, the test device for the IO card further includes an expansion interface disposed on the base, and the expansion interface is used for being compatible with an external device.

Optionally, the test equipment for the IO card further includes a display unit disposed on the base, and the display unit is connected to the control unit and configured to display the detection result.

Optionally, the test equipment for the IO card further includes a switch unit disposed on the base, and the switch unit is configured to control the test equipment for the IO card to be turned on or turned off.

The utility model discloses the technical scheme of the embodiment, the utility model discloses test equipment of IO card, the test equipment apron of this IO card detect input port with wait to detect the IO card and connect, the detection output port of apron is connected with the detection input port of apron, when the test equipment of IO card detects and waits to detect the IO card, receive detection input port with detection output port, give detection input port as external signal with detection output port's signal, the operation of external connection and manual IO point of touching has been simplified, and do not need additionally to deploy the test environment, can reduce the hand labor, simplify test preparation work, test time has been practiced thrift in the time, efficiency of software testing and accuracy have been improved.

Drawings

Fig. 1 is a schematic structural diagram of an IO card testing device according to an embodiment of the present invention;

fig. 2 is a schematic diagram illustrating connection between a detection input port and a detection output port of a cover plate of an IO card testing device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a testing device for an IO card according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not 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 efforts belong to the protection scope of the present invention.

The embodiment of the utility model provides a test equipment's of IO card structural schematic diagram is provided, fig. 1 is the utility model provides a test equipment's of IO card structural schematic diagram who provides. As shown in fig. 1, the test equipment of the IO card includes a control unit 104, a base 108, and a cover 101;

the control unit 104 and the cover plate 101 are arranged on the base 108, and the control unit 104 is connected with the IO card 102 to be detected and used for providing a detection signal for the IO card 102 to be detected; the cover plate 101 is provided with a detection input port X and a detection output port Y, the detection input port X of the cover plate is connected with the IO card 102 to be detected, the detection output port Y of the cover plate is connected with the detection input port X of the cover plate, and the detection output port Y is used for outputting a detection result of the IO card 102 to be detected connected with the detection output port Y.

The base 108 is a base station of the test equipment of the IO card, and is used for placing other components of the test equipment (for example, the control unit 104 is embedded in the base 108, the external interface 103, the expansion interface 105, the display unit 109, the LVDS interface 107, the switch unit 110, and the ECAT interface 106 are left on the base 108), the cover plate 101 is mainly installed above the base, and the cover plate 101 covers the base station 108, so that the test equipment is in a packaged box form, the connection of internal lines cannot be seen from the outside, and the protection of the internal lines and the information transmission from the outside is facilitated.

The control unit 104 is mainly responsible for process management of a program, is a command control center of the whole CPU, and is very important for coordinating orderly work of the whole device exemplarily, the control unit 104 may adopt an X86 motherboard (SOM-P101), and an X86 motherboard (SOM-P101) is one of embedded motherboards, and is mainly characterized by small size, stable parameters, small size, high integration level, low power consumption, and the like.

Fig. 2 is the embodiment of the utility model provides a test equipment apron detection input port and detection output port connection schematic diagram of IO card. As shown in fig. 2, the cover plate 101 is provided with a detection input port X and a detection output port Y. This apron 101 is in the utility model discloses mainly play the effect in two respects: on one hand, the cover is covered on the base station 108, and the internal components and circuits of the base station 108 are packaged in the base station 108, so that the internal signal transmission is not influenced by the outside; on the other hand, the detection input port X of the cover plate is connected with the IO card 102 to be detected, the detection output port Y of the cover plate is connected with the detection input port X of the cover plate, the detection output port Y is used for outputting a detection result of the IO card 102 to be detected connected with the detection output port Y, the detection output port Y is connected to the detection input port X, a signal of the detection output port Y is used as an external signal to be supplied to the detection input port X, complex line connection between the detection equipment and the test port of the IO card 102 to be detected is simplified, test preparation time is saved, and test efficiency is improved.

The utility model discloses the technical scheme of the embodiment, the utility model discloses the test equipment of IO card, the test equipment apron of this IO card detection input port with wait to detect the IO card and connect, the detection output port of apron is connected with the detection input port of apron, the detection output port is used for the output rather than the detection result who waits to detect the IO card of being connected, receive detection input port with detection output port, be the signal that will detect output port gives detection input port as external signal, the operation of external connection and manual IO point of touching has been simplified, and do not need additionally to deploy the test environment, can reduce the hand labor, simplify test preparation work, test time has been practiced thrift in the time, efficiency of software testing and accuracy have been improved.

Illustratively, the cover plate 101 includes a plurality of cover plates, and each cover plate 101 is connected to one IO card 102 to be detected.

The plurality of IO cards 102 to be detected are respectively connected with the press-fit detection device through the plurality of cover plates 101, and function testing can be performed simultaneously, so that testing of the IO cards 102 to be detected is accelerated, and testing efficiency and resource utilization rate of the device are improved.

Optionally, a plurality of cover plates 101 are coaxially connected.

The cover plates 101 are coaxially connected, so that the plurality of IO cards 102 to be detected and the corresponding cover plates 101 can be simultaneously pressed and connected at one time, and the plurality of IO cards 102 to be detected can be tested at one time. Due to the coaxial connection design, the press-fit connection process of the cover plates 101 and the IO cards 102 to be detected can be realized at one time, and the test operation efficiency is improved.

With continued reference to fig. 2, in the cover 101, there are a plurality of detection input ports X and detection output ports Y, and at least a part of the detection output ports Y1 are connected to two different detection input ports X.

Illustratively, as shown in fig. 2, there are 24 sense input ports X and 16 sense output ports Y, and 12 of the sense output ports Y1 are connected to two different sense input ports X.

As shown in FIG. 2, the sense output port Y includes at least a first sense output port Y1 and at least a second sense output port Y2; each of the first sense output ports Y1 is connected to two different sense input ports X, and the second sense output port Y2 is used to detect the disconnection of the sense output port Y when set.

With continued reference to FIG. 2, a first sense output port Y1, a second sense output port Y2 are indicated. As can be seen from the figure, the first detection output port Y1 refers to 12 detection output ports Y connected to two different detection input ports X, and the design is used to apply the signal output by the detection output port Y as an external signal to the input end of the IO card 102 to be detected, generate a high-low level signal in a way of enabling output, then read the actual signal at the input point of the IO card 102 to be detected, and if the read and set signals are identical, the test is passed. The second detection output port Y2 indicates 4 detection output ports Y to which any of the detection input ports X is not connected. The method is used for detecting the disconnection of the detection output port Y during setting, and is convenient for testing in a mode of observing a test result. The utility model discloses test method, simple and convenient, the error rate is low.

As shown in fig. 3, the IO card testing device further includes an ECAT network interface 106 disposed on the base 108, and the control unit 104 is connected to the IO card 102 to be detected through the ECAT network interface 106.

Ethernet Control Automation Technology (EtherCAT) is an open architecture field bus system based on ethernet, and CAT in the name of EtherCAT is an acronym of Control Automation Technology (Control Automation Technology). Originally developed by Beckhoff Automation GmbH, Germany. EtherCAT sets up a new standard for real-time performance and topological flexibility of the system, while it also conforms to and even reduces the cost of fieldbus usage. EtherCAT also features include high precision device synchronization, optional cable redundancy, and functional safety protocol (SIL 3).

Because the EtherCAT network performance advantage is comparatively obvious in the development board of small-size controller (for example: x86 mainboard (SOM-P101)), so the utility model discloses an ECAT network interface 106 with wait to detect IO card 102 and be connected for detect IO card 102 provides the detected signal for waiting to detect. The high speed loop of EtherCAT can be completed between two control loops. Thus, the controller always has the latest input data available, with minimal delay in output addressing. On the basis of not enhancing the self computing capability, the response behavior of the controller is obviously improved, and the information transmission speed and the test efficiency can be improved.

As shown in fig. 3, the IO card testing apparatus further includes an external interface 103 disposed on the base 108, where the external interface 103 is connected to the control unit 104 and is used for receiving a testing program to the control unit 104.

Wherein, the external interface 103 of the present invention can be a Universal Serial Bus (USB) interface. As shown in fig. 3, an x86 motherboard (SOM-P101) and USB connection (USB may be multiple) are used for the transmission of data stream between devices. The USB interface establishes an interface and a pipeline for the real-world requirements of x86 mainboard (SOM-P101) software, and when a configuration request is made, the x86 mainboard (SOM-P101) receives a test program according to parameters provided by the x86 mainboard (SOM-P101) through the USB interface.

The universal serial bus is an external bus standard and is also a technical specification of an input/output interface. It supports four basic data transmission modes: control transfer, isochronous transfer, interrupt transfer, and data block transfer. The design does not limit the data transmission mode and can be selected according to the requirement.

As shown in fig. 3, the IO card testing device further includes an expansion interface 105 disposed on the base 108, where the expansion interface 105 is compatible with an external device.

Wherein, the utility model discloses an extension Interface 105 can be High Definition Multimedia Interface (High Definition Multimedia Interface, HDMI), and HDMI High Definition Multimedia Interface is a digital video/audio Interface technique that accords with High Definition epoch standard, is the digital Interface of special type that is fit for image transmission, and it can convey audio frequency and image signal simultaneously, and the highest data transmission speed need not line number/mould or the conversion of analog/number before signal transmission simultaneously for 4.5 GB/s. The utility model adopts the HDMI high-definition multimedia interface, which is convenient for being compatible with external equipment (such as a personal computer, a tablet computer, a television and the like).

As shown in fig. 3, the IO card testing apparatus further includes a display unit 109 disposed on the base 108, where the display unit 109 is connected to the control unit 104 for displaying the detection result.

Wherein, the utility model discloses a Display element 109 can be Liquid Crystal Display (Liquid Crystal Display, LCD), and Liquid Crystal Display is the slim Display device in plane, arranges light source or plane of reflection the place ahead in by one. Liquid crystal displays are low in power consumption, and are therefore favored by engineers and suitable for use in battery-operated electronic devices. The utility model discloses a LCD display screen for the colored or black and white pixel of deciding quantity constitutes, puts and shows the testing result, and the tester of being convenient for monitors detection parameter, flow and result.

As shown in fig. 3, the control unit 104 and the display unit 109 of the present invention are connected by the LVDS interface 107. LVDS, Low Voltage Differential Signaling, is a Low Voltage Differential Signaling interface. The LVDS interface 107 transmits data or a transmission clock in the form of a differential signal pair. The signal pair refers to two signals (a positive output terminal and a negative output terminal) for each data transmission channel or clock transmission channel in the LVDS interface 107 circuit. The LVDS interface 107 is a digital video signal transmission method that can overcome the disadvantages of large power consumption, large EMI electromagnetic interference, and the like when broadband high-bit-rate data is transmitted in a TTL level manner.

As shown in fig. 3, the IO card test device further includes a switch unit 110 disposed on the base 108, where the switch unit 110 is used to control the IO card test device to be turned on or off.

The switch unit 110 of the present invention may be a test switch, which is an electronic component that can open a circuit, interrupt current, or make current flow to other circuits. The principle of the switch is that the "closing" of a contact means that the electronic contact is conductive, allowing current to flow; an "open circuit" means that the electrical contact is not conductive, creating an open circuit, and does not allow current to flow. The utility model discloses test switch for the test equipment of control IO card is opened or is turn-offed, controls the work operation of whole test equipment.

The utility model discloses technical scheme discloses a test equipment of IO card, this test equipment of IO card adopts the design of many laps, can realize carrying out the pressfitting connection to a plurality of IO cards to test simultaneously, improve efficiency of software testing in quantity. The detection input port of the cover plate is connected with the IO card to be detected, the detection output port of the cover plate is connected with the detection input port of the cover plate, the detection output port is used for outputting a detection result of the IO card to be detected connected with the detection output port, the detection output port is connected to the detection input port, signals of the detection output port are used as external signals to be provided for the detection input port, external wiring and manual operation of touching IO points are simplified, in addition, a test environment does not need to be additionally deployed, manual labor force can be reduced, test preparation work is simplified, test time is saved in time, and test efficiency and accuracy are improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The test equipment of the IO card is characterized by comprising a control unit, a base and a cover plate;

2. The IO card testing apparatus of claim 1, wherein the cover plate includes a plurality of cover plates, and each cover plate is connected to one IO card to be tested.

3. The IO card testing apparatus of claim 2, wherein a plurality of the cover plates are coaxially connected.

4. The IO card testing apparatus of claim 1, wherein the cover plate includes a plurality of detection input ports and a plurality of detection output ports, and at least a part of the detection output ports are connected to two different detection input ports.

5. The IO card test apparatus of claim 1, wherein the detection output ports include at least one first detection output port and at least one second detection output port; each of the first detection output ports is connected to two different detection input ports, and the second detection output port is used for detecting the disconnection of the detection output port when the second detection output port is set.

6. The IO card testing apparatus of claim 1, further comprising an ECAT network interface disposed on the base, wherein the control unit is connected to the IO card to be tested through the ECAT network interface.

7. The IO card test apparatus of claim 1, further comprising an external interface disposed on the base, wherein the external interface is connected to the control unit and configured to receive a test program to the control unit.

8. The IO card testing device of claim 1, further comprising an expansion interface disposed on the base, wherein the expansion interface is compatible with an external device.

9. The IO card test device of claim 1, further comprising a display unit disposed on the base, wherein the display unit is connected to the control unit and configured to display the detection result.

10. The IO card test device of claim 1, further comprising a switch unit disposed on the base, wherein the switch unit is configured to control the IO card test device to be turned on or off.