CN220325683U - Multi-network camera performance tester - Google Patents
Multi-network camera performance tester Download PDFInfo
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- CN220325683U CN220325683U CN202323336146.7U CN202323336146U CN220325683U CN 220325683 U CN220325683 U CN 220325683U CN 202323336146 U CN202323336146 U CN 202323336146U CN 220325683 U CN220325683 U CN 220325683U
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- 238000012360 testing method Methods 0.000 claims abstract description 55
- 238000005070 sampling Methods 0.000 claims abstract description 45
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000006855 networking Effects 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
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Abstract
The utility model discloses a multi-network camera performance tester, which comprises a shell, wherein a plurality of power test interfaces used for being connected with cameras and a network connection interface used for being connected with a camera network connection port are arranged on the shell, a power module connected with the power test interfaces is arranged in the shell, the multi-network camera performance tester also comprises an MCU module, a current sampling module and a voltage sampling module which are arranged in the shell, the current sampling module is electrically arranged between the power test interfaces and the MCU module, the voltage sampling module is electrically connected between the power test interfaces and the MCU module, and a router is further arranged in the shell, and is respectively electrically connected with the network connection interfaces and the MCU module.
Description
Technical Field
The utility model relates to the field of camera testing, in particular to a multi-network camera performance tester.
Background
At present, when a network camera is tested, a power supply device capable of displaying voltage and current, 1 notebook or desktop computer and 1 camera patch cord are needed. Firstly, connecting a network camera, a power supply and a computer by using an adapter wire, monitoring the voltage and the current of the power supply equipment at the moment, if no abnormality exists, opening camera driving software on the computer, networking to test the image and the sound of the camera, detecting whether the audio and the video are normal, and if the video are normal, continuously and uninterruptedly recording the voltage and the current of the camera manually, and judging whether the functions of the audio and the video are normal for at least 24 hours. If a large number of cameras need to be tested, the test can be performed by using the method, and the test can be almost impossible to complete in a short time.
Disclosure of Invention
The utility model solves the technical problem of providing a multi-network camera performance tester which can realize performance test on a plurality of network cameras at the same time.
The technical scheme adopted for solving the technical problems is as follows: the multi-network camera performance tester comprises a shell, wherein a plurality of power test interfaces used for being connected with a camera and network connection interfaces used for being connected with a camera network connector are arranged on the shell, a power module connected with the power test interfaces is arranged in the shell, the multi-network camera performance tester further comprises an MCU module, a current sampling module and a voltage sampling module which are arranged in the shell, the current sampling module is electrically connected between the power test interfaces and the MCU module, the voltage sampling module is electrically connected between the power test interfaces and the MCU module, and a router is further arranged in the shell and is respectively electrically connected with the network connection interfaces and the MCU module;
the current sampling module comprises sampling resistors which are respectively connected in series between a plurality of power test interfaces and the power modules, and further comprises a first MUX module, wherein each input end of the first MUX module is respectively connected to each current sampling end, the output end of the first MUX module is sequentially connected with a current acquisition module and an ADC analog-to-digital conversion module, and the output end of the ADC analog-to-digital conversion module is connected with the MCU module.
Further is: the voltage sampling module comprises a second MUX module, the power supply test interface is a voltage sampling end, each input end of the second MUX module is connected to each voltage sampling end respectively, the output end of the second MUX module is connected with a first voltage dividing resistor and a second voltage dividing resistor in series, the voltage sampling module further comprises an ADC analog-to-digital conversion module, the input end of the ADC analog-to-digital conversion module is connected to the connection part of the first voltage dividing resistor and the second voltage dividing resistor, and the output end of the ADC analog-to-digital conversion module is connected with the MCU module.
Further is: the LED lamp is connected with the router, and the LED lamps are in one-to-one correspondence with the network connection interfaces.
Further is: the shell is also provided with a power interface which is used for being connected with external power supply, and the power interface is connected with the power module.
Further is: and a relay is further arranged between the power supply test interface and the power supply module, and the control end of the relay is connected with the MCU module.
Further is: the power supply testing device is characterized in that a manual switch is further arranged between the power supply testing interface and the power supply module, a display module used for displaying voltage and current values is arranged on one side of each power supply testing interface, the power supply testing device further comprises an alarm, and the display module and the alarm are connected with the MCU module.
The beneficial effects of the utility model are as follows: the design of this structure can realize the simultaneous test to a plurality of cameras simultaneously to improve test performance, still can realize simultaneously carrying out operations such as outage or warning to unqualified product in the testing process, prevent to burn tester or camera, play the guard action to tester or camera.
Drawings
Fig. 1 is a schematic diagram of module connection of a multi-network camera performance tester according to an embodiment of the present application.
Fig. 2 is a circuit diagram of a current collection module used in the multi-network camera performance tester according to the embodiment of the application.
Fig. 3 is a schematic diagram of a current sampling module in the multi-network camera performance tester according to the embodiment of the application.
Fig. 4 is a schematic diagram of a voltage sampling module in the multi-network camera performance tester according to the embodiment of the application.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.
As shown in fig. 1, an embodiment of the application discloses a multi-network camera performance tester, which comprises a housing, be provided with a plurality of power test interfaces that are used for being connected with the camera and be used for the network connection interface of being connected with the camera network connector on the casing, be provided with in the casing with power test interface connection's power module, still including setting up MCU module, current sampling module and the voltage sampling module in the casing, current sampling module electric connection is between power test interface and MCU module, voltage sampling module electric connection is between power test interface and MCU module, still be provided with the router in the casing, router respectively with network connection interface and MCU module electric connection.
It should be noted that the MCU module, the power module, the current sampling module, the voltage sampling module, etc. described above may all use the existing circuit module board.
The method specifically comprises the steps of testing, connecting a plurality of network cameras to be tested to a power supply test interface and a network connection port through connecting wires, detecting that the cameras are inserted into a tester through a router by an MCU module, starting testing, transmitting collected voltage data and current data input into the network cameras to be tested to the MCU module by the current sampling module and the voltage sampling module, judging whether the current data and the voltage data are normal by the MCU module, uploading information such as current, voltage and video of the cameras to an external system after the test time is reached, finding out the corresponding cameras with problems according to the test information by the external system, and maintaining according to error information.
The external system is a test system commonly used at present and is not within the protection scope of the application.
The structure can realize simultaneous testing of a plurality of cameras through the integrated design of each module, thereby improving the testing performance.
In this embodiment, as shown in fig. 3, the current sampling module includes sampling resistors respectively connected in series between a plurality of power test interfaces and the power module, and further includes a first MUX module, each input end of the first MUX module is connected to two ends of each sampling resistor respectively, two output ends of the first MUX module are sequentially connected with the current collecting module and the ADC analog-to-digital conversion module, and an output end of the ADC analog-to-digital conversion module is connected with the MCU module.
It should be explained that, the first MUX module is a matrix switch, for example, the usable chip model is ADG1206, the control end of the matrix switch is connected with the MCU module, and the current collecting module is also an existing circuit structure, which is not improved in the present application.
Specifically, when current sampling is performed, under the control of the MCU module, the first MUX module sequentially opens and closes each channel, so that current signals of each camera to be detected sequentially enter the MCU module through the first MUX module, the current acquisition module and the ADC analog-to-digital conversion module, and the current signals of a plurality of cameras are sequentially acquired and monitored.
When needing to be explained, the ADC module can be an independent circuit board module or an MCU module with the ADC function.
The design of the structure can realize the current data processing of multiple channels only by arranging the current acquisition module and the ADC analog-to-digital conversion module at the output end of the first MUX module, meanwhile, the channels needing to be sampled are particularly more, but the number of the channels of the ADC analog-to-digital conversion module is limited, and the ADC chip is high in price.
In this embodiment, as shown in fig. 4, the voltage sampling module includes a second MUX module, the power test interface is a voltage sampling end, each input end of the second MUX module is connected to each voltage sampling end, an output end of the second MUX module is connected in series with a first voltage dividing resistor and a second voltage dividing resistor, and the voltage sampling module further includes an ADC analog-to-digital conversion module, an input end of the ADC analog-to-digital conversion module is connected to a junction of the first voltage dividing resistor and the second voltage dividing resistor, and an output end of the ADC analog-to-digital conversion module is connected to the MCU module.
It should be explained that the second MUX module is a matrix switch, for example, the usable chip model is ADG1206, and the control end of the matrix switch is connected to the MCU module.
Specifically, when voltage sampling is performed, under the control of the MCU module, the second MUX module sequentially opens and closes each channel, so that the voltage signals of each camera to be detected sequentially pass through the first MUX module, pass through the voltage division of the first voltage dividing resistor and the second voltage dividing resistor, and then enter the MCU module through the ADC module, thereby realizing the sequential acquisition and monitoring of the voltage signals of a plurality of cameras.
The design of the structure can realize the voltage data processing of multiple channels only by arranging the divider resistor and the ADC analog-to-digital conversion module at the output end of the second MUX module, meanwhile, the channels needing to be sampled are particularly more, but the number of the channels of the ADC analog-to-digital conversion module is limited, and the ADC chip is high in price.
In this embodiment, the system further includes a plurality of LED lamps connected to the router, where the LED lamps are in one-to-one correspondence with the network connection interfaces.
In this structure, can realize showing the networking state of each network camera that awaits measuring through the setting of LED lamp, for example: how the networking is normal, the LED lamp starts to flash, the flashing frequency is slower, if the power supply and the current are normal, but the networking is abnormal, the LED is always on, if the test is finished, the LED is extinguished, and the like, and the corresponding state of the LED can be set by oneself.
In this embodiment, when it is detected that an abnormality occurs in a current signal or a voltage signal of a camera in a certain path, a current power supply of the camera in the certain path is cut off, and the following two embodiments are specifically provided:
first embodiment: and a relay is further arranged between the power supply test interface and the power supply module, and the control end of the relay is connected with the MCU module.
Specifically, when an abnormality occurs in a current signal or a voltage signal of a camera of a certain path, the MCU module controls a relay of the path to be disconnected, so that a power supply of the path is cut off.
Second embodiment: the power supply testing device is characterized in that a manual switch is further arranged between the power supply testing interface and the power supply module, a display module used for displaying voltage and current values is arranged on one side of each power supply testing interface, the power supply testing device further comprises an alarm, and the display module and the alarm are connected with the MCU module.
Specifically, when the current signal or the voltage signal of a certain path of camera is abnormal, the MCU module controls the alarm to give an alarm, and after an operator hears the alarm, according to the voltage and the current signal displayed by the display module, the operator manually judges which path of camera is in fault, and then manually closes the switch of the path, so that the power supply of the path is cut off.
The arrangement of the structure can perform operations such as power off or alarm on unqualified products in the testing process, prevent the tester or the camera from being burnt out, and protect the tester or the camera.
While the foregoing is directed to embodiments of the present utility model, other and further details of the utility model may be had by the present utility model, it should be understood that the foregoing description is merely illustrative of the present utility model and that no limitations are intended to the scope of the utility model, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the utility model.
Claims (6)
1. Multi-network camera capability test appearance, its characterized in that: the intelligent camera comprises a shell, wherein a plurality of power test interfaces used for being connected with a camera and a network connection interface used for being connected with a camera network connection port are arranged on the shell, a power module connected with the power test interfaces is arranged in the shell, the intelligent camera also comprises an MCU module, a current sampling module and a voltage sampling module which are arranged in the shell, the current sampling module is electrically connected between the power test interfaces and the MCU module, the voltage sampling module is electrically connected between the power test interfaces and the MCU module, and a router is also arranged in the shell and is respectively electrically connected with the network connection interfaces and the MCU module;
the current sampling module comprises sampling resistors which are respectively connected in series between a plurality of power test interfaces and the power modules, and further comprises a first MUX module, wherein each input end of the first MUX module is respectively connected to two ends of each sampling resistor, two output ends of the first MUX module are sequentially connected with a current acquisition module and an ADC analog-to-digital conversion module, and the output end of the ADC analog-to-digital conversion module is connected with the MCU module.
2. The multi-network camera performance tester of claim 1, wherein: the voltage sampling module comprises a second MUX module, the power supply test interface is a voltage sampling end, each input end of the second MUX module is connected to each voltage sampling end respectively, the output end of the second MUX module is connected with a first voltage dividing resistor and a second voltage dividing resistor in series, the voltage sampling module further comprises an ADC analog-to-digital conversion module, the input end of the ADC analog-to-digital conversion module is connected to the connection part of the first voltage dividing resistor and the second voltage dividing resistor, and the output end of the ADC analog-to-digital conversion module is connected with the MCU module.
3. The multi-network camera performance tester of claim 1, wherein: the LED lamp is connected with the router, and the LED lamps are in one-to-one correspondence with the network connection interfaces.
4. The multi-network camera performance tester of claim 1, wherein: the shell is also provided with a power interface which is used for being connected with external power supply, and the power interface is connected with the power module.
5. The multi-network camera performance tester of claim 1, wherein: and a relay is further arranged between the power supply test interface and the power supply module, and the control end of the relay is connected with the MCU module.
6. The multi-network camera performance tester of claim 1, wherein: the power supply testing device is characterized in that a manual switch is further arranged between the power supply testing interface and the power supply module, a display module used for displaying voltage and current values is arranged on one side of each power supply testing interface, the power supply testing device further comprises an alarm, and the display module and the alarm are connected with the MCU module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323336146.7U CN220325683U (en) | 2023-12-08 | 2023-12-08 | Multi-network camera performance tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323336146.7U CN220325683U (en) | 2023-12-08 | 2023-12-08 | Multi-network camera performance tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220325683U true CN220325683U (en) | 2024-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323336146.7U Active CN220325683U (en) | 2023-12-08 | 2023-12-08 | Multi-network camera performance tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220325683U (en) |
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2023
- 2023-12-08 CN CN202323336146.7U patent/CN220325683U/en active Active
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