CN215416636U - Embedded equipment hardware connection on-off testing arrangement - Google Patents
Embedded equipment hardware connection on-off testing arrangement Download PDFInfo
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- CN215416636U CN215416636U CN202121750553.0U CN202121750553U CN215416636U CN 215416636 U CN215416636 U CN 215416636U CN 202121750553 U CN202121750553 U CN 202121750553U CN 215416636 U CN215416636 U CN 215416636U
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Abstract
The utility model discloses a hardware connection on-off testing device of embedded equipment, which comprises: the device comprises a system board, a first relay, a second relay, a third relay, a USB (universal serial bus) line, a network cable, a power line, USB equipment, a switch, a power supply and embedded equipment.
Description
Technical Field
The utility model relates to the technical field of VOIP/automatic test, in particular to a device for testing the connection on-off of hardware of embedded equipment.
Background
Along with the continuous improvement of the industrial automation degree, the safety performance of the equipment is more and more emphasized, and before the equipment is formally put into use, the equipment is firstly tested to ensure the normal use of the equipment. For example, a VOIP phone needs to be connected with many accessories such as MIC, tablet and network cable, and can be used for on-off test of USB \ power line \ network cable. In the actual on-off test, a manual plugging mode or a mechanical arm mode is often adopted for testing, and a large amount of manpower and material resources are consumed.
Disclosure of Invention
The technical problem to be solved by the utility model is as follows: the embedded device hardware connection on-off testing device reduces the use of professional equipment instruments, realizes on-off of equipment only through simple wiring between the equipment, and reduces the dependence on professional technicians.
In order to solve the above technical problem, the present invention provides an embedded device hardware connection on-off testing apparatus, including: the system comprises a system board, a first relay, a second relay, a third relay, a USB (universal serial bus) line, a network cable, a power line, USB equipment, a switch, a power supply and embedded equipment;
the output end of the system board is connected with the input end of the first relay, the output end of the first relay is connected with the first end of the USB wire, the output end of the USB device is connected with the first end of the USB wire, and the second end of the USB wire is connected with the input end of the embedded device;
the output end of the system board is connected with the input end of the second relay, the output end of the second relay is connected with the first end of the network cable, the output end of the switch is connected with the first end of the network cable, and the second end of the network cable is connected with the input end of the embedded equipment;
the output of system board with the input of third relay is connected, the output of third relay with the first end of power cord is connected, the output of power with the first end of power cord is connected, the second end of power cord with the input of embedded equipment is connected.
Further, the output of system board with first relay input is connected, the output of first relay with the first end of USB line is connected, the output of USB equipment with the first end of USB line is connected, the second end of USB line is connected the input of embedded equipment specifically is:
the port of the first relay comprises an IN end, a COM end and an NC end, and the USB line comprises VCC, -D, + D and GND;
the output end of the system board is connected with the IN end of the first relay, the COM end of the relay is connected with the second end of the USB line VCC, the second ends of-D, + D and GND of the USB line are respectively connected with the input end of the embedded device, the first ends of VCC, -D, + D and GND of the USB line are respectively connected with the output end of the USB device, and the NC end of the relay is connected with the input end of the embedded device.
Further, the output of system board with the input of second relay is connected, the output of second relay with the first end of net twine is connected, the output of switch with the first end of net twine is connected, the second end of net twine with the input of embedded equipment is connected, specifically does:
the port of the second relay comprises an IN end, a COM end and an NC end, and the network cable consists of 8 cables including a No. 4 cable;
the output end of the system board is connected with the IN end of the second relay, the first end of the network cable is connected with the output end of the switch, the second end of the No. 4 cable of the network cable is connected with the COM end of the second relay, the network cables except the No. 4 cable are connected with the second end of the embedded equipment, and the NC end of the second relay is connected with the input end of the embedded equipment.
Further, still include power adapter, the output of system board with the input of third relay is connected, the output of third relay with the first end of power cord is connected, the output of power with the first end of power cord is connected, the second end of power cord with the input of embedded equipment is connected, specifically is:
the port of the third relay comprises an IN end, a COM end and an NC end, and the power line comprises a positive electrode and a negative electrode;
the output end of the system board is connected with the IN end of the third relay, the first ends of the negative pole and the positive pole of the power line are respectively connected with the output end of the power supply, the second end of the positive pole of the power line is connected with the COM end of the third relay through the power adapter, the second end of the negative pole of the power line is connected with the input end of the embedded equipment through the power adapter, and the NC end of the third relay is connected with the input end of the embedded equipment.
Compared with the prior art, the device for testing the hardware connection on-off of the embedded equipment has the following beneficial effects:
this device includes the system board, first relay, the second relay, the third relay, the USB line, the net twine, the power cord, USB equipment, the switch, power and embedded equipment, all be comparatively common equipment instrument, do not relate to the equipment instrument who is used for the specialty of test, reduce the dependency to professional, moreover this device only need carry out simple wiring through net twine, power cord and USB line between each equipment, just can test the break-make condition of equipment, make the test procedure become more simple and convenient, not only improve detection efficiency, still reduced the dependency to professional.
Drawings
FIG. 1 is a schematic diagram of a device deployment of an embodiment of an embedded device hardware connection on-off test apparatus provided in the present invention;
fig. 2 is a schematic diagram illustrating a USB cable connection mode of an embodiment of an embedded device hardware connection on-off test apparatus provided in the present invention;
fig. 3 is a schematic diagram illustrating a network cable wiring manner deployment according to an embodiment of an embedded device hardware connection on-off test apparatus provided in the present invention;
FIG. 4 is a schematic diagram illustrating a power supply wiring manner of an embodiment of an embedded device hardware connection on-off test apparatus provided in the present invention;
FIG. 5 is a schematic diagram of a testing process of an embodiment of an embedded device hardware connection on-off testing apparatus provided in the present invention;
fig. 6 is a schematic diagram of remote control deployment of an embodiment of an embedded device hardware connection on-off testing apparatus provided in the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, fig. 1 is a schematic device deployment diagram of an embedded device hardware connection on-off testing apparatus provided by the present invention, and as shown in fig. 1, the apparatus includes: the system comprises a system board 1, a first relay 2, a second relay 3, a third relay 4, a USB line 5, a network line 6, a power line 7, a USB device 9, a switch 10, a power supply 11 and an embedded device 8.
In this embodiment, an output end of the system board 1 is connected to an input end of the first relay 2, an output end of the first relay 2 is connected to a first end of the USB cable 5, an output end of the USB device 9 is connected to a first end of the USB cable 5, and a second end of the USB cable 5 is connected to an input end of the embedded device 8; the output end of the system board 1 is connected with the input end of the second relay 3, the output end of the second relay 3 is connected with the first end of the network cable 6, the output end of the switch 10 is connected with the first end of the network cable 6, and the second end of the network cable 6 is connected with the input end of the embedded device 8; the output of system board 1 with the input of third relay 4 is connected, the output of third relay 4 with the first end of power cord 7 is connected, the output of power 11 with the first end of power cord 7 is connected, the second end of power cord 7 with the input of embedded equipment 8 is connected. The principle of realizing the access switch by the deployment mode of the device is that the system board 1 is a single chip microcomputer system, and different relay switches are controlled by high and low levels of pins of the single chip microcomputer system, in the embodiment, the high and low levels of an io port of the single chip microcomputer system are preset by a program, so that the single chip microcomputer system outputs the required high and low levels, meanwhile, the driving level of the relay can be selected according to the manual requirement, when the driving level of the relay is high level driving, the single chip microcomputer system can be controlled to output the high level to drive the relay, and then the access opening state is reached, if the single chip microcomputer system is controlled to output the low level, the relay is powered off and disconnected, and then the access disconnection state is reached; on the contrary, when the driving level of the relay is low level driving, the single chip microcomputer system can be controlled to output low level to drive the relay, and then the state that the access is opened is achieved.
Referring to fig. 2, fig. 2 is a schematic diagram of a USB cable wiring manner deployment structure of an embodiment of the embedded device hardware connection on-off test apparatus provided in the present invention, and as shown in fig. 2, the USB cable wiring manner deployment includes a system board 1, a first relay 2, a USB device 9, and an embedded device 8.
IN this embodiment, the port of the first relay 2 includes an IN terminal, a COM terminal, an NC terminal, a DC + terminal, a DC-terminal, and an NO terminal, and the USB line includes VCC, -D, + D, and GND; the output end of the system board 1 is connected with the IN end of the first relay 2, the COM end of the relay is connected with the second end of the USB line VCC, the second ends of-D, + D and GND of the USB line are respectively connected with the input end of the embedded device 8, the first ends of VCC, -D, + D and GND of the USB line are respectively connected with the output end of the USB device 9, and the NC end of the relay is connected with the input end of the embedded device 8. In this embodiment, system board 1 is the singlechip system, and specific model is the STM32 singlechip, and in addition, the model of singlechip can be changed according to the demand. The level is output to the first relay 2 through a GPIO OUT _ PUT pin of the singlechip system, and a driving switch of the first relay 2 is controlled; the NC end of the first relay is a normally closed end of the relay, the NC end of the first relay and the COM end of the first relay 2 are in a normally connected state, when the level output by the single chip microcomputer system is not the driving level of the first relay 2, the switch of the first relay 2 is closed, and a connecting channel between the devices is disconnected; when the level output by the single chip microcomputer system is the driving level of the first relay 2, when the first relay 2 is powered on, the contacts of the COM end and the NC end are opened, the switch is also opened, and the COM end is connected with the VCC end of the USB device 9, so that the USB device 9 is connected with the embedded device 8 through the path between the COM end and the NC end to realize the mutual connection between the devices, where the-D end and the + D end of the USB line are the positive and negative electrodes of data and are used for data transmission between the devices, which is used in this embodiment to obtain the information of the embedded device 8.
Referring to fig. 3, fig. 3 is a schematic diagram of a network cable wiring manner deployment structure of an embodiment of the embedded device hardware connection on-off testing apparatus provided by the present invention, and as shown in fig. 3, the network cable wiring manner deployment includes a system board 1, a second relay 3, a switch 10, and an embedded device 8.
IN this embodiment, the ports of the second relay 3 include an IN terminal, a COM terminal, and an NC terminal, and the network cable is composed of 8 cables, including a number 4 cable; the output end of the system board 1 is connected with the IN end of the second relay 3, the first end of the network cable is connected with the output end of the switch 10, the second end of the No. 4 cable of the network cable is connected with the COM end of the second relay 3, the network cables except the No. 4 cable are connected with the second end of the embedded device 8, and the NC end of the second relay 3 is connected with the input end of the embedded device 8. IN this embodiment, the port of the second relay 3 includes an IN terminal, a COM terminal, an NC terminal, a DC + terminal, a DC-terminal, and an NO terminal, and the network cable is composed of 8 cables including a No. 1 cable, a No. 2 cable, a No. 3 cable, a No. 4 cable, a No. 5 cable, a No. 6 cable, a No. 7 cable, and a No. 8 cable, and the No. 5 cable of the network cable is disconnected. In the embodiment, the level is output to the second relay 3 through a GPIO OUT _ PUT pin of the singlechip system, and a driving switch of the second relay 3 is controlled; the NC end of the second relay 3 is a normally closed end of the relay, the NC end and the COM end of the second relay 3 are in a normally connected state, when the level output by the single chip microcomputer system is not the driving level of the second relay 3, the switch of the second relay 3 is closed, and a connecting channel between the devices is disconnected; when the level output by the single chip microcomputer system is the driving level of the second relay 3, when the second relay 3 is electrified, the contact points of the COM end and the NC end are opened, the switch is also opened, and the COM end is connected with the VCC end of the USB device 9, so that the devices are connected with each other. In this embodiment, the switch 10 is configured to provide a network source for the embedded device 8, and is connected to the COM terminal of the second relay 3 through the network cable and then connected to the embedded device 8 through a path between the switch and the NC terminal.
Referring to fig. 4, fig. 4 is a schematic diagram of a power supply wiring manner deployment structure of an embodiment of the embedded device hardware connection on-off testing apparatus provided by the present invention, and as shown in fig. 4, the power supply wiring manner deployment includes a system board 1, a third relay 4, a power adapter 12, a power supply 11, and an embedded device 8.
IN this embodiment, the port of the third relay 4 includes an IN terminal, a COM terminal, and an NC terminal, and the power line includes a positive electrode and a negative electrode; the output end of the system board 1 is connected with the IN end of the third relay 4, the first ends of the negative pole and the positive pole of the power line are respectively connected with the output end of the power supply 11, the second end of the positive pole of the power line is connected with the COM end of the third relay 4 through the power adapter 12, the second end of the negative pole of the power line is connected with the input end of the embedded device 8 through the power adapter 12, and the NC end of the third relay 4 is connected with the input end of the embedded device 8. IN the embodiment, the ports of the third relay 4 include an IN terminal, a COM terminal, an NC terminal, a DC + terminal, a DC-terminal, and an NO terminal, the power supply 11 is a 220V power supply, and the power adapter 12 is configured to convert the power supply 11 into a working power supply of the device, IN this embodiment, a GPIO OUT _ PUT pin of the single chip microcomputer system outputs a level to the third relay 4, and controls a driving switch of the third relay 4; the NC end of the third relay 4 is a normally closed end, the NC end and the COM end of the third relay 4 are in a normally connected state, when the level output by the single chip microcomputer system is not the driving level of the third relay 4, the switch of the third relay 4 is closed, and a connecting channel between the devices is disconnected; when the level output by the single chip microcomputer system is the driving level of the third relay 4, when the third relay 4 is electrified, the contacts of the COM end and the NC end are opened, the switch is also opened, and the COM end is connected with the VCC end of the USB device 9, so that the devices are connected with each other. In this embodiment, the power supply 11 is configured to supply power to the device, and is connected to the COM terminal of the relay through the positive electrode of the power line, and is connected to the embedded device 8 through a path between the power line and the NC terminal.
In the hardware connection on-off device for embedded device provided in embodiment 1, the device deployment structure includes a power connection mode deployment structure, a network cable connection mode deployment structure, and a USB cable connection mode deployment structure, and the three structures can be used alone or simultaneously to test the on-off condition of the device, or the two structures can test the on-off condition of the device.
Referring to fig. 5, fig. 5 is a schematic test flow diagram of an embodiment of the embedded device hardware connection on-off test apparatus provided by the present invention, as shown in fig. 5.
The use method of the embedded device hardware connection on-off test device provided by the utility model comprises the steps of connecting test devices after starting a test, wherein the connection deployment structure among the test devices refers to the power supply wiring mode deployment structure, the network cable wiring mode deployment structure and the USB cable wiring mode deployment structure; if the user specifies the disconnected channel, the user needs to further check whether the time delay is needed, when the time delay is needed for the disconnected channel, a corresponding time delay instruction needs to be output on the single chip microcomputer system, the channel is controlled to be disconnected after the specified time, and if the time delay is not needed for the channel to be disconnected, the channel is directly disconnected, so that the equipment connected with the channel is connected and disconnected, and the test is finished.
The above-mentioned method of using the device is only for one example of the condition control of order switch and delay switch of single chip system realization, in addition, single chip system can also realize user-defined condition tests such as remote control, like fig. 6, single chip system passes through RPC (remote procedure call protocol) and is connected with agent PC, agent PC passes through serial connection again controller and relay, the relay is connected with test equipment through connecting wire according to the line interface, connecting wire is net twine or USB line or power cord, and this connecting wire corresponds above-mentioned power connection mode deployment structure, net twine connection mode deployment structure and USB line connection mode deployment structure with test equipment's connected mode, has realized single chip system and relay and test equipment's remote control.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides an embedded equipment hardware connection break-make testing arrangement which characterized in that includes: the system comprises a system board, a first relay, a second relay, a third relay, a USB (universal serial bus) line, a network cable, a power line, USB equipment, a switch, a power supply and embedded equipment;
the output end of the system board is connected with the input end of the first relay, the output end of the first relay is connected with the first end of the USB wire, the output end of the USB device is connected with the first end of the USB wire, and the second end of the USB wire is connected with the input end of the embedded device;
the output end of the system board is connected with the input end of the second relay, the output end of the second relay is connected with the first end of the network cable, the output end of the switch is connected with the first end of the network cable, and the second end of the network cable is connected with the input end of the embedded equipment;
the output of system board with the input of third relay is connected, the output of third relay with the first end of power cord is connected, the output of power with the first end of power cord is connected, the second end of power cord with the input of embedded equipment is connected.
2. The embedded device hardware connection on-off testing apparatus of claim 1, wherein an output terminal of the system board is connected to an input terminal of the first relay, an output terminal of the first relay is connected to a first terminal of the USB cable, an output terminal of the USB device is connected to the first terminal of the USB cable, and a second terminal of the USB cable is connected to an input terminal of the embedded device, specifically:
the port of the first relay comprises an IN end, a COM end and an NC end, and the USB line comprises VCC, -D, + D and GND;
the output end of the system board is connected with the IN end of the first relay, the COM end of the relay is connected with the second end of the USB line VCC, the second ends of-D, + D and GND of the USB line are respectively connected with the input end of the embedded device, the first ends of VCC, -D, + D and GND of the USB line are respectively connected with the output end of the USB device, and the NC end of the relay is connected with the input end of the embedded device.
3. The embedded device hardware connection on-off testing device of claim 1, wherein the output terminal of the system board is connected to the input terminal of the second relay, the output terminal of the second relay is connected to the first terminal of the network cable, the output terminal of the switch is connected to the first terminal of the network cable, and the second terminal of the network cable is connected to the input terminal of the embedded device, specifically:
the port of the second relay comprises an IN end, a COM end and an NC end, and the network cable consists of 8 cables including a No. 4 cable;
the output end of the system board is connected with the IN end of the second relay, the first end of the network cable is connected with the output end of the switch, the second end of the No. 4 cable of the network cable is connected with the COM end of the second relay, the network cables except the No. 4 cable are connected with the second end of the embedded equipment, and the NC end of the second relay is connected with the input end of the embedded equipment.
4. The embedded device hardware connection on-off testing device of claim 1, further comprising a power adapter, wherein an output terminal of the system board is connected to an input terminal of the third relay, an output terminal of the third relay is connected to the first terminal of the power line, an output terminal of the power supply is connected to the first terminal of the power line, and a second terminal of the power line is connected to the input terminal of the embedded device, specifically:
the port of the third relay comprises an IN end, a COM end and an NC end, and the power line comprises a positive electrode and a negative electrode;
the output end of the system board is connected with the IN end of the third relay, the first ends of the negative pole and the positive pole of the power line are respectively connected with the output end of the power supply, the second end of the positive pole of the power line is connected with the COM end of the third relay through the power adapter, the second end of the negative pole of the power line is connected with the input end of the embedded equipment through the power adapter, and the NC end of the third relay is connected with the input end of the embedded equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121750553.0U CN215416636U (en) | 2021-07-29 | 2021-07-29 | Embedded equipment hardware connection on-off testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121750553.0U CN215416636U (en) | 2021-07-29 | 2021-07-29 | Embedded equipment hardware connection on-off testing arrangement |
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| Publication Number | Publication Date |
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| CN215416636U true CN215416636U (en) | 2022-01-04 |
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| CN202121750553.0U Active CN215416636U (en) | 2021-07-29 | 2021-07-29 | Embedded equipment hardware connection on-off testing arrangement |
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2021
- 2021-07-29 CN CN202121750553.0U patent/CN215416636U/en active Active
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