CN212305520U - Camera reliability testing device - Google Patents
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- CN212305520U CN212305520U CN202020661083.XU CN202020661083U CN212305520U CN 212305520 U CN212305520 U CN 212305520U CN 202020661083 U CN202020661083 U CN 202020661083U CN 212305520 U CN212305520 U CN 212305520U
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Abstract
The application discloses camera reliability testing arrangement relates to electronic design technical field. The device comprises a power supply input module, a processor module, a multi-path power supply output module, a multi-path power supply power monitoring module and a signal output module. Because can provide input power and drive signal respectively for a plurality of cameras that await measuring through processor module control multichannel power output module and signal output module for a plurality of cameras that await measuring test when normal operating condition, can also monitor the power of each way input power of a plurality of cameras that await measuring respectively through multichannel power monitoring module, realize monitoring the circuit trouble of a plurality of cameras that await measuring, improve camera reliability testing device's camera test accuracy.
Description
Technical Field
The application relates to the technical field of electronic design, in particular to a camera reliability testing device.
Background
With the development of science and technology, people can apply to various terminals in daily life, and a camera is taken as an indispensable component in the terminal, so the reliability test before the camera leaves a factory becomes one of the important points of research of people in the field.
In the related art, when a plurality of cameras to be tested are subjected to reliability test at the same time, the same power interfaces of the cameras are connected in parallel to the same power output port, and the voltage monitoring device connected in parallel with the same power interfaces of the cameras is used for monitoring the voltage of the cameras, so that power supply test and monitoring of the cameras are realized.
However, in the related art, when a power supply of any one of the plurality of cameras to be tested is short-circuited, the remaining cameras are also determined to be in an abnormal state by the voltage monitoring device; when the power supply of any one of the cameras to be tested is disconnected, the voltage monitoring device still displays a normal state, and the voltage monitoring device cannot accurately identify the fault camera.
SUMMERY OF THE UTILITY MODEL
The application provides a camera reliability testing device, can solve in the correlation technique when carrying out the reliability test to a plurality of cameras that await measuring, can not specifically accurately discern the technical problem of trouble camera through voltage monitoring device.
The embodiment of the application provides a camera trust test device, its characterized in that, the device is used for carrying out the trust test to a plurality of cameras that await measuring, the device includes: the power input module is connected with an external power supply and used for receiving the external power supply and converting the external power supply; the processor module is connected with the power supply input module and is used for generating a power supply control signal and a driving signal; the multi-path power supply output module is connected with the processor module and the power supply input module and used for converting the power supply output by the power supply input module into a multi-path input power supply according to the power supply control signal and outputting the power supply; the power monitoring module of the multi-channel power supply is connected with the output module of the multi-channel power supply at one end, and is connected with the cameras to be tested at the other end, and is used for respectively outputting the multi-channel input power supply to the cameras to be tested and monitoring the power of each input power supply of each camera to be tested; and one end of the signal output module is connected with the processor module, and the other end of the signal output module is connected with the plurality of cameras to be tested and is used for receiving the driving signals and outputting the driving signals to the plurality of cameras to be tested.
Because can provide input power and drive signal respectively for a plurality of cameras that await measuring through processor module control multichannel power output module and signal output module for a plurality of cameras that await measuring carry out the dependability test under normal operating condition, can also monitor the power of each way input power of a plurality of cameras that await measuring respectively through multichannel power monitoring module, realize monitoring the circuit trouble of a plurality of cameras that await measuring, improve camera dependability testing device's camera test accuracy.
Optionally, the power input module, the processor module, the multi-path power output module, the multi-path power monitoring module and the signal output module are disposed in a test motherboard, and the plurality of cameras to be tested are disposed in a test carrier board; the test carrier plate is arranged in the heat insulation box and synchronously tests the reliability of the plurality of cameras to be tested with the test main board.
The main circuit module in the camera reliability testing device is arranged in the testing mainboard, the camera to be tested is arranged in the testing carrier plate, and the testing mainboard and the testing carrier plate are separately arranged, so that the testing mainboard can be prevented from being damaged when the camera to be tested is used for reliability, and the service life of the testing mainboard can be prolonged.
Optionally, the power input module includes: the power input interface is connected with the external power supply; the power supply conversion device is connected with the power supply input interface and is used for converting the external power supply into power supply outputs with various different voltage values; and the power supply protection device is connected with the power supply conversion device and is used for preventing the voltage of the power supply output by the power supply conversion device from being overhigh.
The power input module can receive an external power supply, convert the external power supply into power output with different voltage values, and provide the power output to the processor module and the multi-path power output module for use.
Optionally, when the number of the multiple cameras to be tested is M, and each camera to be tested has N power input interfaces, where M is a positive integer greater than 1, N is a positive integer greater than or equal to 1, and a product L of M and N, the multi-channel power output module includes: the M-path LDO stabilized voltage supply device is connected with the power input module and is used for converting the power output by the power input module into M-path stabilized voltage supply output; the L-path field effect transistor voltage-stabilized power supply device is connected with the M-path LDO voltage-stabilized power supply device and is used for converting the M-path voltage-stabilized power supply into L-path voltage-stabilized power supply to be output; the M-path programmable potentiometer and the M-path digital-analog converter are used for receiving a power supply control signal output by the processor module and controlling the specific value of each path of stabilized voltage power supply in the L-path stabilized voltage power supply device according to the power supply control signal.
The multi-path power output module converts the power output by the power input module into an L-path stabilized voltage power supply and respectively provides the L-path stabilized voltage power supply for the M cameras to be tested so as to realize the normal power supply of the M cameras to be tested.
Optionally, the multi-path power supply power monitoring module includes an L-path power supply power monitoring interface; and the multi-path power supply power monitoring module receives the L-path stabilized power supply and outputs the L-path stabilized power supply to N power supply input interfaces of each camera to be detected in the M cameras to be detected through the L-path power supply power monitoring interfaces.
The multi-path power supply power monitoring module is connected between the multi-path power supply output module and the multiple cameras to be tested and used for monitoring the power of the power supply output to the cameras by each path of field effect transistor voltage stabilizing power supply device, the power supply power of each path is formed by the product of the voltage and the current of each path, and the circuit fault of any path can cause the change of the voltage or the current, so that the multi-path power supply power monitoring module can monitor the circuit fault of any path.
Optionally, the signal output module includes: one end of the integrated circuit bus signal conversion module is connected with the processor module, and the other end of the integrated circuit bus signal conversion module is connected with the integrated circuit bus interfaces of the cameras to be tested and used for receiving integrated circuit bus signals, converting the integrated circuit bus signals and outputting the converted integrated circuit bus signals to the integrated circuit bus interfaces of the cameras to be tested; one end of the camera enabling control module is connected with the processor module, and the other end of the camera enabling control module is connected with the enabling control interfaces of the cameras to be tested and is used for receiving enabling control signals and outputting the enabling control signals to the enabling control interfaces of the cameras to be tested; and one end of the camera data input and output module is connected with the processor module, and the other end of the camera data input and output module is connected with the input and output interfaces of the plurality of cameras to be tested and is used for receiving data signals and outputting the data signals to the input and output interfaces of the plurality of cameras to be tested.
The signal output module can receive each driving signal output by the processor module and output each driving signal to the signal input interface of each camera, and the cameras are tested under a normal working state, so that the reliability test of each camera is more consistent with the actual use condition, and the reliability test of each camera is more accurate.
Optionally, the test motherboard further includes: and one end of the crystal oscillator enabling control module is connected with the processor module, and the other end of the crystal oscillator enabling control module is connected with the crystal oscillator enabling control interfaces of the plurality of cameras to be tested and is used for receiving crystal oscillator enabling control signals, generating crystal oscillator signals with preset frequency and outputting the crystal oscillator signals to the crystal oscillator interfaces of the plurality of cameras to be tested.
After crystal oscillator signals generated by the crystal oscillator enabling control module are output to the multiple cameras to be tested, the multiple cameras to be tested work under the preset frequency, and the multiple cameras to be tested can work normally.
Optionally, the test motherboard further includes: and the camera driving mode selection module is connected with the processor module and used for receiving an external selection signal and outputting the external selection signal to the processor module.
The camera driving mode selection module can enable a plurality of cameras to be tested to work in different modes according to external selection signals input by a user or a preset device, so that the plurality of cameras to be tested can better meet the state of the cameras in actual use during testing, and the testing of each camera is more accurate.
Optionally, the test motherboard further includes: and the universal serial bus interface is connected with the processor module and is used for receiving an external universal serial bus signal and outputting the external universal serial bus signal to the processor module.
The universal serial bus interface can enable an external user or a preset device to be connected with the processor module and transmit data to the processor module, so that the camera reliability testing device can be conveniently restored or upgraded, and the stability of the camera reliability testing device is improved.
Optionally, the test motherboard further includes: and the alarm module is connected with the processor module and used for receiving the alarm signal output by the processor and sending alarm information according to the alarm signal, wherein the alarm information comprises sound information and light information.
The alarm module can perform sound and light alarm according to the alarm signal output by the processor so as to prompt a user to timely process the problem of the camera test process and improve the safety of the camera test.
The beneficial effects brought by the technical scheme provided by some embodiments of the application at least comprise:
the application provides a camera reliability testing device, and the device comprises a power input module, a processor module, a multi-path power output module, a multi-path power monitoring module and a signal output module. Because can provide input power and drive signal respectively for a plurality of cameras that await measuring through processor module control multichannel power output module and signal output module for a plurality of cameras that await measuring test when normal operating condition, can also monitor the power of each way input power of a plurality of cameras that await measuring respectively through multichannel power monitoring module, realize monitoring the circuit trouble of a plurality of cameras that await measuring, improve camera reliability testing device's camera test accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a camera reliability testing apparatus according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a power input module in a device for testing reliability of a camera according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a multi-channel power output module in the device for testing the reliability of a camera according to the embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a signal output module in a camera reliability testing apparatus according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a camera reliability testing apparatus according to another embodiment of the present application.
Detailed Description
In order to make the features and advantages of the present application more obvious and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only a part of the embodiments of the present application, and not all 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 application.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a camera reliability testing device according to an embodiment of the present disclosure.
As shown in fig. 1, a camera reliability testing apparatus 100 is used for performing reliability testing on a plurality of cameras to be tested, and the camera reliability testing apparatus 100 includes: the test system includes a test main board 110 and a test carrier 120, wherein the test carrier 120 is disposed in an insulation box 130.
The test main board 110 is used as a main working component of the camera reliability testing device 100 and is configured to provide a working power supply and a working signal for a camera to be tested, and the test main board 110 may be composed of a plurality of circuit devices or electronic components, or may be composed of a printed circuit board and components soldered on the printed circuit board.
The test carrier plate 120 is used as a device for placing the camera to be tested, the heat insulation box 130 may be a device with any shape and an accommodating space, the test carrier plate 120 further has a device connected to the test main board 110, and the test carrier plate 120 receives the working power supply and the working signal output by the test main board 110 and loads the working power supply and the working signal to the camera to be tested. The thermal insulation box 130 further has a heating device and a thermal insulation device, which can be connected to the test motherboard 110 and control the temperature of the camera to be tested on the test carrier 120 in the thermal insulation box 130 according to the signal output by the test motherboard 110.
Further, the test main board 110 includes: a power input module 111, a processor module 112, a multi-channel power output module 113, a multi-channel power monitoring module 114, and a signal output module 115. The main circuit modules in the camera reliability testing device 100 are disposed in the testing main board 110, the camera to be tested is disposed in the testing carrier board 120, and the testing main board 110 and the testing carrier board 120 are separately disposed, so as to prevent the testing main board 110 from being damaged when the camera to be tested is used for reliability testing, and to improve the service life of the testing main board 110.
Optionally, any one or more of the power input module 111, the processor module 112, the multiple power output module 113, the multiple power monitoring module 114, and the signal output module 115 may also be disposed in the test carrier 120 to facilitate maintenance and replacement of the test motherboard 110.
The power input module 111 is connected to an external power source, and is configured to receive the external power source and convert the external power source. The external power source may be selected according to the actual situation, and for example, an alternating current having a voltage value of 100 volts to 240 volts and a frequency of 50 hz or 60 hz may be used as the external power source.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a power input module in a device for testing reliability of a camera according to an embodiment of the present disclosure.
As shown in fig. 2, the power input module 111 may include: a power input interface 1111, a power conversion device 1112, and a power protection device 1113.
The power input interface 1111 may be connected to an external power source through a power adapter, and convert the external power source into an input power source with a lower voltage value, for example, a dc power source with 5 volts. The power conversion device 1112 is connected to the power input interface 1111 and is configured to convert the input power into a plurality of power outputs with different voltage values. Because the test main board 110 has a plurality of components and devices, and the working power supply voltages required by different components and devices are different, after the external power supply is converted into power supplies with different voltage values for output, power supplies can be provided for different components and devices, so that the normal operation of the test main board 110 is realized. For example, a 5 volt dc power input is converted to a 3.3 volt dc power, and the 3.3 volt dc power may be used as the operating power for the processor module 112. The power protection device 1113 is connected to the power conversion device, and is configured to prevent the voltage of the power output by the power conversion device from being too high, and improve the operation stability of the test motherboard 110.
The processor module 112 is connected to the power input module 111 for generating a power control signal and a driving signal. In the testing process of the camera, the related module can be controlled to generate a preset input power supply and a preset driving signal through the power supply control signal and the driving signal, so that the camera is in a normal working state.
The multi-path power output module 113 is connected to the processor module 112 and the power input module 111, and is configured to convert the power output by the power input module 111 into a multi-path input power according to the power control signal and output the multi-path input power.
For convenience of understanding, the process of power input and signal driving during the testing process of the camera is described below when the number of the multiple cameras to be tested is M, each camera to be tested has N power input interfaces 1111, where M is a positive integer greater than 1, N is a positive integer greater than or equal to 1, and the product L of M and N is a product of M and N.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a multi-channel power output module in a camera reliability testing apparatus according to an embodiment of the present disclosure.
When the number of the multiple cameras to be tested is M, and each camera to be tested has N power input interfaces 1111, as shown in fig. 3, the multi-channel power output module 113 includes: an M-way Low Dropout Regulator (LDO) Regulator 1131, an L-way fet Regulator 1132, an M-way programmable potentiometer 1133, and an M-way digital-to-analog converter 1134.
The M-way LDO regulated power supply device 1131 is connected to the power input module 111, and is configured to convert the power output by the power input module 111 into M-way regulated power supply output; the L-path field effect transistor voltage-stabilized power supply device 1132 is connected with the M-path LDO voltage-stabilized power supply device 1131 and is used for converting the M-path voltage-stabilized power supply into L-path voltage-stabilized power supply output; the processor comprises an M-path program-controlled potentiometer 1133 and an M-path digital-to-analog converter 1134, one end of the M-path program-controlled potentiometer 1133 is connected with the processor module 112, the other end of the M-path program-controlled potentiometer 1133 is connected with the M-path LDO voltage-stabilized power supply device 1131, one end of the M-path digital-to-analog converter 1134 is connected with the processor module 112, the other end of the M-path digital-to-analog converter 1134 is connected with the L-path field-effect tube voltage-stabilized power supply device 1132, and the M-path program-controlled potentiometer 1133 and the M-path digital-to-analog converter 1134 are used for receiving a power supply control signal output by the processor module 112 and controlling the specific value of. The multi-path power output module 113 converts the power output by the power input module 111 into an L-path regulated power supply, and provides the L-path regulated power supply to the M cameras to be tested, so as to realize normal power supply of the M cameras to be tested.
And a multi-path power monitoring module 114, one end of which is connected to the multi-path power output module 113, and the other end of which is connected to the plurality of cameras to be tested, for respectively outputting the multi-path input power to the plurality of cameras to be tested, and monitoring the power of each path of input power of each camera to be tested.
When the number of the multiple cameras to be tested is M, and each camera to be tested has N power input interfaces 1111, the multi-path power monitoring module 114 includes L-path power monitoring interfaces; the multi-path power monitoring module 114 receives the L-path voltage-stabilized power supply and outputs the L-path voltage-stabilized power supply to the N power input interfaces 1111 of each of the M cameras to be tested through the L-path power supply power monitoring interface. The multi-path power monitoring module 114 is connected between the multi-path power output module 113 and the plurality of cameras to be tested, and is configured to monitor power of the power source output to the cameras in each path, where the power source power in each path is formed by a product of voltage and current in each path, and a circuit fault in any path may cause a change in voltage or current, so that the multi-path power monitoring module 114 may monitor a circuit fault in any path.
Furthermore, each path of regulated power supply output has an automatic adjustment function, when the impedances of the power supply output by the M-path low-dropout linear regulator 1131 and the camera to be measured change, and the power supply output by the L-path field-effect transistor regulated power supply device 1132 floats, the processor module 112 can compare the data acquired by the multi-path power supply power monitoring module 114 with a preset reference power supply, and the obtained difference controls the voltage difference of the output power supply of the L-path field-effect transistor regulated power supply device 1132 through the M-path position control potentiometer 1133 and the M-path digital-to-analog converter 1134, so as to accurately ensure that each path of voltage output in the L-path field-effect transistor regulated power supply device 1132 is within a controllable range, and can automatically compensate the line loss generated by the sampling resistor and the preset line length through an algorithm in the processor module 112.
And a signal output module 115, one end of which is connected with the processor module 112, and the other end of which is connected with the plurality of cameras to be tested, and is used for receiving the driving signals and outputting the driving signals to the plurality of cameras to be tested.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a signal output module in a camera reliability testing apparatus according to an embodiment of the present disclosure. As shown in fig. 4, the signal output module 115 includes: an integrated circuit bus signal conversion module 1151, a camera enable control module 1152, and a camera data input/output module 1153.
The integrated circuit bus signal conversion module 1151 has one end connected to the processor module 112 and the other end connected to the integrated circuit bus interfaces of the multiple cameras to be tested, and is configured to receive the integrated circuit bus signals, convert the integrated circuit bus signals, and output the converted integrated circuit bus signals to the integrated circuit bus interfaces of the multiple cameras to be tested; the camera enabling control module 1152 has one end connected to the processor module 112 and the other end connected to the enabling control interfaces of the multiple cameras to be tested, and is configured to receive the enabling control signals and output the enabling control signals to the enabling control interfaces of the multiple cameras to be tested; the camera data input/output module 1153 has one end connected to the processor module 112 and the other end connected to the input/output interfaces of the plurality of cameras to be tested, and is configured to receive data signals and output the data signals to the input/output interfaces of the plurality of cameras to be tested. The signal output module 115 can receive each driving signal output by the processor module 112, and output each driving signal to the signal input interface of each camera, and the cameras are tested under a normal working state, so that the test of each camera is more in line with the actual use condition, and the test of each camera is more accurate.
In an embodiment of the application, a device for testing the reliability of a camera comprises a power input module, a processor module, a multi-path power output module, a multi-path power monitoring module and a signal output module. Because can provide input power and drive signal respectively for a plurality of cameras that await measuring through processor module control multichannel power output module and signal output module for a plurality of cameras that await measuring test when normal operating condition, can also monitor the power of each way input power of a plurality of cameras that await measuring respectively through multichannel power monitoring module, realize monitoring the circuit trouble of a plurality of cameras that await measuring, improve camera reliability testing device's camera test accuracy.
Please refer to fig. 5, fig. 5 is a schematic structural diagram of a camera reliability testing apparatus according to another embodiment of the present application.
Optionally, the test motherboard 110 further includes: the crystal enable control module 116. One end of the crystal oscillator enable control module 116 is connected to the processor module 112, and the other end thereof is connected to the crystal oscillator enable control interfaces of the plurality of cameras to be tested, and is configured to receive the crystal oscillator enable control signal, generate a crystal oscillator signal with a preset frequency, and output the crystal oscillator signal to the crystal oscillator interfaces of the plurality of cameras to be tested. After the crystal oscillator signal generated by the crystal oscillator enabling control module 116 is output to the multiple cameras to be tested, the multiple cameras to be tested work under the preset frequency, so that the multiple cameras to be tested work normally.
Optionally, the test motherboard 110 further includes: the camera drives the mode selection module 117. The camera driving mode selection module 117 is connected to the processor module 112, and is configured to receive an external selection signal and output the external selection signal to the processor module 112. The camera driving mode selection module 117 can enable a plurality of cameras to be tested to perform different modes of work according to external selection signals input by a user or a preset device, so that the plurality of cameras to be tested can better meet the state of actual use during testing, and the testing of each camera is more accurate.
Optionally, the test motherboard 110 further includes: a universal serial bus interface 118. The USB interface 118 is coupled to the processor module 112 for receiving external USB signals and outputting the external USB signals to the processor module 112. The usb interface 118 may enable an external user or a predetermined device to be connected to the processor module 112, and transmit data to the processor module 112, so as to facilitate operations such as recovery or upgrade of the camera reliability testing device, and improve stability of the camera reliability testing device.
Optionally, the test motherboard 110 further includes: a display module 119. The display module 119 is connected to the processor module 112 and configured to receive and display the power supply power monitoring signals output by the multiple power supply power monitoring modules 114 and output by the processor module 112; and the storage module is connected with the processor module 112 and is used for receiving and storing the power supply power monitoring signals output by the multiple power supply power monitoring modules 114 and output by the processor module 112. The display module 119 can display the power of the power supplies of the multiple cameras to be tested, so that a user can intuitively monitor the multiple cameras to be tested in real time, and the storage module can retain test data of the cameras at each time, so that the user can perform data tracking and data analysis conveniently.
Optionally, the test motherboard 110 further includes: an alarm module 1110. The alarm module 1110 is connected to the processor module 112, and configured to receive an alarm signal output by the processor, and send an alarm message according to the alarm signal, where the alarm message includes a sound message and a light message. The alarm module 1110 can perform sound and light alarm according to the alarm signal output by the processor to prompt a user to timely deal with the problem of the camera test process, so that the safety of the camera test is improved.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of modules is merely a division of logical functions, and an actual implementation may have another division, for example, a plurality of modules or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or modules, and may be in an electrical, mechanical or other form.
Modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
In addition, functional modules in the embodiments of the present application may be integrated into one processing module, or each of the modules may exist alone physically, or two or more modules are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode.
The integrated module, if implemented in the form of a software functional module and sold or used as a separate product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
It should be noted that, for the sake of simplicity, the above-mentioned method embodiments are described as a series of acts or combinations, but those skilled in the art should understand that the present application is not limited by the described order of acts, as some steps may be performed in other orders or simultaneously according to the present application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required in this application.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In view of the above description of the camera reliability testing device provided in the present application, those skilled in the art will recognize that changes may be made in the embodiments and applications of the device according to the teachings of the present application.
Claims (10)
1. A camera reliability testing apparatus, for performing reliability testing on a plurality of cameras to be tested, the apparatus comprising:
the power input module is connected with an external power supply and used for receiving the external power supply and converting the external power supply;
the processor module is connected with the power supply input module and is used for generating a power supply control signal and a driving signal;
the multi-path power supply output module is connected with the processor module and the power supply input module and used for converting the power supply output by the power supply input module into a multi-path input power supply according to the power supply control signal and outputting the power supply;
the power monitoring module of the multi-channel power supply is connected with the output module of the multi-channel power supply at one end, and is connected with the cameras to be tested at the other end, and is used for respectively outputting the multi-channel input power supply to the cameras to be tested and monitoring the power of each input power supply of each camera to be tested;
and one end of the signal output module is connected with the processor module, and the other end of the signal output module is connected with the plurality of cameras to be tested and is used for receiving the driving signals and outputting the driving signals to the plurality of cameras to be tested.
2. The apparatus of claim 1, wherein the power input module, the processor module, the multi-channel power output module, the multi-channel power monitoring module and the signal output module are disposed in a test motherboard, and the plurality of cameras to be tested are disposed in a test carrier board;
the test carrier plate is arranged in the heat insulation box and synchronously tests the reliability of the plurality of cameras to be tested with the test main board.
3. The apparatus of claim 2, wherein the power input module comprises:
the power input interface is connected with the external power supply;
the power supply conversion device is connected with the power supply input interface and is used for converting the external power supply into power supply outputs with various different voltage values;
and the power supply protection device is connected with the power supply conversion device and is used for preventing the voltage of the power supply output by the power supply conversion device from being overhigh.
4. The apparatus of claim 3, wherein when the number of the plurality of cameras to be tested is M, each camera to be tested has N power input interfaces, where M is a positive integer greater than 1, N is a positive integer greater than or equal to 1, and a product L of M and N, the multi-path power output module comprises:
the M-path LDO stabilized voltage supply device is connected with the power input module and is used for converting the power output by the power input module into M-path stabilized voltage supply output;
the L-path field effect transistor voltage-stabilized power supply device is connected with the M-path LDO voltage-stabilized power supply device and is used for converting the M-path voltage-stabilized power supply into L-path voltage-stabilized power supply to be output;
the M-path programmable potentiometer and the M-path digital-analog converter are used for receiving a power supply control signal output by the processor module and controlling the specific value of each path of stabilized voltage power supply in the L-path stabilized voltage power supply device according to the power supply control signal.
5. The apparatus of claim 4, wherein the multi-channel power supply power monitoring module comprises an L-channel power supply power monitoring interface;
and the multi-path power supply power monitoring module receives the L-path stabilized power supply and outputs the L-path stabilized power supply to N power supply input interfaces of each camera to be detected in the M cameras to be detected through the L-path power supply power monitoring interfaces.
6. The apparatus of claim 2, wherein the signal output module comprises:
one end of the integrated circuit bus signal conversion module is connected with the processor module, and the other end of the integrated circuit bus signal conversion module is connected with the integrated circuit bus interfaces of the cameras to be tested and used for receiving integrated circuit bus signals, converting the integrated circuit bus signals and outputting the converted integrated circuit bus signals to the integrated circuit bus interfaces of the cameras to be tested;
one end of the camera enabling control module is connected with the processor module, and the other end of the camera enabling control module is connected with the enabling control interfaces of the cameras to be tested and is used for receiving enabling control signals and outputting the enabling control signals to the enabling control interfaces of the cameras to be tested;
and one end of the camera data input and output module is connected with the processor module, and the other end of the camera data input and output module is connected with the input and output interfaces of the plurality of cameras to be tested and is used for receiving data signals and outputting the data signals to the input and output interfaces of the plurality of cameras to be tested.
7. The apparatus of claim 2, wherein the test motherboard further comprises:
and one end of the crystal oscillator enabling control module is connected with the processor module, and the other end of the crystal oscillator enabling control module is connected with the crystal oscillator enabling control interfaces of the plurality of cameras to be tested and is used for receiving crystal oscillator enabling control signals, generating crystal oscillator signals with preset frequency and outputting the crystal oscillator signals to the crystal oscillator interfaces of the plurality of cameras to be tested.
8. The apparatus of claim 2, wherein the test motherboard further comprises:
and the camera driving mode selection module is connected with the processor module and used for receiving an external selection signal and outputting the external selection signal to the processor module.
9. The apparatus of claim 2, wherein the test motherboard further comprises:
and the universal serial bus interface is connected with the processor module and is used for receiving an external universal serial bus signal and outputting the external universal serial bus signal to the processor module.
10. The apparatus of claim 2, wherein the test motherboard further comprises:
and the alarm module is connected with the processor module and used for receiving the alarm signal output by the processor and sending alarm information according to the alarm signal, wherein the alarm information comprises sound information and light information.
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|---|---|---|---|
| CN202020661083.XU CN212305520U (en) | 2020-04-26 | 2020-04-26 | Camera reliability testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020661083.XU CN212305520U (en) | 2020-04-26 | 2020-04-26 | Camera reliability testing device |
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| CN212305520U true CN212305520U (en) | 2021-01-05 |
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| CN202020661083.XU Active CN212305520U (en) | 2020-04-26 | 2020-04-26 | Camera reliability testing device |
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Address after: 510000 Shenzhou Road, science and Technology Town, Guangzhou high tech Industrial Development Zone, Guangdong 7 Patentee after: Guangzhou delta Imaging Technology Co.,Ltd. Address before: 510000 Shenzhou Road, science and Technology Town, Guangzhou high tech Industrial Development Zone, Guangdong 7 Patentee before: O-FILM IMAGE TECHNOLOGY (GUANGZHOU) Co.,Ltd. |