CN115357067A - Full-automatic batch test system for high and low temperature performance of wireless image transmission product - Google Patents
Full-automatic batch test system for high and low temperature performance of wireless image transmission product Download PDFInfo
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- CN115357067A CN115357067A CN202211037895.7A CN202211037895A CN115357067A CN 115357067 A CN115357067 A CN 115357067A CN 202211037895 A CN202211037895 A CN 202211037895A CN 115357067 A CN115357067 A CN 115357067A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 118
- 238000011056 performance test Methods 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 8
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- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
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- G05D23/19—Control of temperature characterised by the use of electric means
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Abstract
The invention provides a wireless image transmission product high and low temperature performance full-automatic batch test system, which belongs to the technical field of performance test and comprises the following components: the temperature control box is internally provided with a plurality of test main boards and a plurality of wireless image transmission products and is used for providing a temperature-controllable test environment; the upper computer is respectively connected with the temperature control box and the plurality of test main boards and is used for controlling the temperature of the temperature control box; sending a test instruction to the test mainboard, and receiving a test result fed back by the test mainboard; each test mainboard is connected with at least one wireless image transmission product and used for electrifying the wireless image transmission product included in the test instruction and controlling the wireless image transmission product and the wireless receiving end to transmit image transmission data so as to carry out performance test and obtain a test result. Has the advantages that: the invention can automatically control the test flow and adjust the test temperature, liberate manpower, improve the test efficiency and is suitable for batch test of products.
Description
Technical Field
The invention relates to the technical field of performance testing, in particular to a wireless image transmission product high-low temperature performance full-automatic batch testing system.
Background
And wireless image transmission, namely wireless image transmission. At present, wireless image transmission has not formed a typical industrialized development mode, and the realized technical modes are also various. Whether a wireless image transmission product can be normally started and transmitted under high and low temperatures, whether power consumption is abnormal under various temperatures and the like are important performance evaluation bases.
In the existing test system, a plurality of modules have more test wiring at the same time, and the environment is more complicated to build; the whole process needs manual work to participate in the testing process, each product is electrified one by one in a manual mode, whether the image can be normally transmitted or not is observed, the power consumption of work is recorded, the evaluation result of the image transmission effect through manual observation is fuzzy, visual data embodiment is avoided, the data recording is likely to have recording errors, the influence of human factors is large, and the method cannot be suitable for batch testing; the testing temperature of the temperature control box is manually adjusted in the testing process, so that manpower is wasted, and the testing efficiency is low.
Disclosure of Invention
In order to solve the technical problems, the invention provides a wireless image transmission product high and low temperature performance full-automatic batch test system.
The technical problem solved by the invention can be realized by adopting the following technical scheme:
a wireless image transmission product high and low temperature performance full-automatic batch test system comprises:
the temperature control box is internally provided with a plurality of test main boards and a plurality of wireless image transmission products and is used for providing a temperature-controllable test environment;
the upper computer is respectively connected with the temperature control box and the plurality of test main boards and is used for controlling the temperature of the temperature control box; sending a test instruction to the test mainboard, and receiving a test result fed back by the test mainboard;
each test mainboard is connected with at least one wireless image transmission product and used for electrifying the wireless image transmission product included in the test instruction and controlling the wireless image transmission product and a wireless receiving end to transmit image transmission data so as to perform performance test and obtain a test result.
Preferably, the test motherboard includes:
the acquisition unit is used for acquiring current and voltage information of the wireless image transmission product;
the temperature sensing unit is used for acquiring temperature information in the temperature control box;
the control unit is respectively connected with the acquisition unit and the temperature sensing unit, is used for receiving the current and voltage information and the temperature information, and summarizes the current and voltage information and the temperature information in the test result;
the power supply control switches are controllably connected between each wireless image transmission product and the acquisition unit and are used for controlling the wireless image transmission products to be powered on and powered off;
and the level conversion circuits are connected between each wireless image transmission product and the control unit.
Preferably, each of the level shift circuits is further configured to perform enable control according to an enable control signal output by the control unit.
Preferably, each wireless image transmission product is correspondingly provided with identification information;
the test motherboard further comprises:
the acquisition unit is used for acquiring the identification information of the wireless image transmission product;
the first sending unit is connected with the acquiring unit and used for sending the identification information to the wireless receiving end;
and the wireless receiving end is matched with the corresponding wireless image transmission product according to the identification information and is connected with the wireless image transmission product in a wireless mode to transmit data.
Preferably, the wireless receiving end includes:
the receiving unit is used for receiving the image transmission data sent by the wireless image transmission product;
the first statistical unit is connected with the receiving unit and used for counting the number of received frames of the received image transmission data and sending the received image transmission data to the test mainboard;
and the test mainboard calculates the image transmission communication success rate according to the receiving frame number of the wireless receiving end and the sending frame number of the wireless image transmission product and includes the image transmission communication success rate in the test result.
Preferably, the wireless image transfer product includes:
the storage unit is used for storing the image transmission data;
the calling unit is connected with the storage unit and used for acquiring the image transmission data from the storage unit and sending the image transmission data to the wireless receiving end;
and the second statistical unit is connected with the calling unit and used for counting the sending frame number of the transmitted image transmission data and sending the sending frame number to the test mainboard.
Preferably, the method further comprises the following steps: and the external power supply is controllably connected with the test main boards and is used for providing an adjustable power supply for the test main boards.
Preferably, the upper computer is connected with the temperature control box through an RS232 bus.
Preferably, the upper computer, the plurality of test mainboards and the wireless receiving end are communicated through an RS485 bus.
The technical scheme of the invention has the advantages or beneficial effects that:
the invention controls the testing flow of the testing mainboard and the testing temperature environment of the temperature control box through the upper computer, realizes automatic testing, liberates manpower, saves time, improves testing efficiency and is suitable for batch testing of products.
Drawings
FIG. 1 is a schematic diagram of a fully automatic batch test system for high and low temperature performance of wireless image transmission products according to a preferred embodiment of the present invention;
FIG. 2 is a diagram of a test motherboard in accordance with a preferred embodiment of the present invention;
fig. 3 is a diagram illustrating an implementation of a wireless receiver in accordance with a preferred embodiment of 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 embodiments of the present invention, 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 obtained by a person skilled in the art without inventive efforts based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
In a preferred embodiment of the present invention, based on the above problems in the prior art, a wireless image transmission product high and low temperature performance full-automatic batch test system is provided, which belongs to the technical field of performance test, and as shown in fig. 1, includes:
the temperature control box 1 is internally provided with a plurality of test main boards 2 and a plurality of wireless image transmission products and is used for providing a temperature-controllable test environment;
the upper computer 3 is respectively connected with the temperature control box 1 and the plurality of test main boards 2 and is used for controlling the temperature of the temperature control box 1; sending a test instruction to the test mainboard 2, and receiving a test result fed back by the test mainboard 2;
each test mainboard 2 is connected with at least one wireless image transmission product and is used for electrifying the wireless image transmission product included in the test instruction and controlling the wireless image transmission product and the wireless receiving end 4 to transmit image transmission data so as to carry out performance test and obtain a test result.
Specifically, in this embodiment, the upper computer 3 is integrated with control software, and the temperature of the temperature control box 1 is set according to the test requirement through the control software. The system integrates various testing functions on the testing mainboard 2, various testing devices are not needed, all testing items are set on the upper computer 3 in advance during testing, then the modes and times needing to be tested are sent to the testing mainboard 2, and after the testing mainboard 2 executes the testing, the testing data are gathered to the upper computer 3, so that the unattended automatic operation is realized.
Furthermore, the test result fed back by the test mainboard 2 is displayed through the upper computer 3, and the test effect can be observed clearly.
Further, the upper computer 3 can record each parameter and abnormal data of each product in detail according to the test result, and perform specific processing on the abnormal data, wherein the specific processing includes but is not limited to abnormal reminding, abnormal highlighting and abnormal warning.
Further, the upper computer 3 can also support the sorting of the test table and the function of exporting the table by one key
Further, one test main board 2 can control at least 20 wireless image transmission products simultaneously. According to the big or small control test mainboard 2 of temperature control box 1 set up data, but test mainboard 2 exclusive use also can be parallelly connected the use with a plurality of test mainboards 2 to improve efficiency of software testing.
As a preferred embodiment, among others, as shown in fig. 2, the test board 2 includes:
the acquisition unit 22 is used for acquiring current and voltage information of the wireless image transmission product;
the temperature sensing unit 23 is used for collecting temperature information in the temperature control box 1;
and the control unit 21 is respectively connected with the acquisition unit 22 and the temperature sensing unit 23, and is used for receiving the current and voltage information and the temperature information and summarizing the information in the test result.
Specifically, in this embodiment, the test motherboard 2 is provided with a monitoring circuit for monitoring current, voltage and temperature, so as to monitor the temperature of the test environment in real time and the working voltage and working current of the wireless image transmission product.
As a preferred embodiment, as shown in fig. 2, the test board 2 further includes:
and a plurality of power control switches (241 \8230; 24 n) controllably connected between each wireless image transmission product and the acquisition unit, for controlling the power-on and power-off of the wireless image transmission products.
Specifically, in the embodiment, the power supply of the wireless image transmission product can be supplied when high and low temperature tests are carried out on the wireless image transmission product by controlling the on-off state of each power supply control switch (241 \8230; 24 n); and in the untested period, the power supply connection of the products is disconnected, and the power supply on-off of each product is accurately controlled.
Further, the test motherboard 2 may be powered on separately, that is: only one wireless image transmission product is in a power-on state at the same time; or some or all of the wireless image transmission products may be powered on.
Further, the test main board 2 and the wireless image transmission product are subjected to communication control by using a UART interface as a communication and control IO.
Further, the test mainboard 2 communicates through the RS485 interface to the outside, for example, communicates through the RS485 interface between the test mainboard 2 and the upper computer 3.
As a preferred embodiment, as shown in fig. 2, the test board 2 further includes:
several level conversion circuits (251 \8230; 25 n) are connected between each wireless image transmission product and the control unit.
Specifically, in the embodiment, the communication and control IO between the test motherboard 2 and the wireless image transmission product is isolated by a level conversion circuit (251 \8230; 25 n) in a multiplexing manner.
Furthermore, the level shift circuit (251 \8230; 25 n) is a circuit mainly based on a level shift chip, and the invention can be realized by adopting the existing level shift circuit, and is not described again.
As a preferred embodiment, each level conversion circuit (251 \8230; 25 n) is also used for carrying out enabling control according to an enabling control signal output by the control unit.
Specifically, in this embodiment, when testing a certain product, the level converting circuit of other wireless image transmission products is in the disabled state, so do not interfere each other, and the singlechip MCU on the test mainboard 2 can control more products with few pins.
As a preferred implementation mode, each wireless image transmission product is correspondingly provided with identification information;
the test main board 2 further includes:
an acquisition unit (not shown in the figure) for acquiring identification information of a wireless image transfer product;
a first sending unit (not shown in the figure) connected to the acquiring unit, for sending the identification information to the wireless receiving end 4;
the wireless receiving end 4 matches the corresponding wireless image transmission product according to the identification information, and connects the wireless image transmission product in a wireless mode to transmit data.
Specifically, in this embodiment, the test motherboard 2 communicates with the wireless image transmission product through the UART interface to acquire identification information thereof, where the identification information may be a Service Set Identifier (SSID); then the identification information is sent to the wireless receiving end 4; the wireless receiving end 4 is connected with the wireless image transmission product according to the received identification information so as to receive the image transmission data sent by the wireless image transmission product.
Furthermore, the functions of the acquiring unit and the first sending unit may be integrated in a control unit, and the control unit is implemented by using an MCU.
As a preferred embodiment, the wireless receiving end 4 includes:
a receiving unit (not shown in the figure) for receiving the image transmission data sent by the wireless image transmission product;
the first statistical unit (not shown in the figure) is connected with the receiving unit and used for counting the receiving frame number of the received image transmission data and sending the received image transmission data to the test mainboard 2;
the test mainboard 2 calculates the success rate of image transmission communication according to the receiving frame number of the wireless receiving end 4 and the sending frame number of the wireless image transmission product, and the success rate is included in the test result.
Specifically, in this embodiment, the wireless image transmission product counts the number of transmission frames when transmitting image transmission data; the wireless receiving end 4 counts the number of receiving frames while receiving the image transmission data sent by the wireless image transmission product; after communication for a period of time, the test mainboard 2 acquires the sending frame number and the receiving frame number, and counts the success rate of the outgoing communication, and after the test of a single product is finished, the test mainboard 2 collects all test data and sends the data to the upper computer 3, and the test result includes but is not limited to: the working voltage, the working current, the temperature, the image transmission success rate and the like are visually evaluated and compared by counting the sending frame number and the receiving frame number.
As a preferred embodiment, among others, the wireless image transfer product includes:
the storage unit is used for storing image transmission data;
the calling unit is connected with the storage unit and is used for acquiring the image transmission data from the storage unit and sending the image transmission data to the wireless receiving end 4;
and the second statistical unit is connected with the calling unit and used for counting the sending frame number of the sent image transmission data and sending the sending frame number to the test mainboard 2.
Specifically, in the present embodiment, the transmission data is recorded in the storage unit of the product, and preferably, the storage unit may be a memory; the product can call the image transmission data from the memory, then send to the wireless receiving end 4 in a wireless transmission mode according to the actual working frame rate and data size, and count the sending frame rate at the same time, and can observe the image transmission communication effect more intuitively by sending the specific data of the frame number.
Further, the wireless image transmission product and the wireless receiving end 4 realize wireless communication transmission through the antenna 41.
Further, the wireless receiving end 4 is implemented by using a wireless receiving board, the wireless receiving board is provided with a decoding chip, and the output is a TTL level signal.
As a preferred embodiment, the method further comprises the following steps: the external power supply is controllably connected with the plurality of test mainboards 2 and is used for providing an adjustable power supply for the test mainboards 2.
Specifically, in this embodiment, the test motherboard 2 and the product are powered by an external power supply. In a preferred embodiment, the external power supply only needs to be turned on all the time, the test motherboard 2 automatically controls the turning on and off of the power control switches (241 \ 8230; 24 n) according to requirements, the power can be controllably supplied to the products, only two power lines need to be arranged, and lead wires do not need to be arranged for each product to supply power, so that the wiring circuit is simplified.
In a preferred embodiment, the upper computer 3 is connected to the temperature control box 1 through an RS232 bus.
Specifically, in this embodiment, the upper computer 3 controls the test temperature in the temperature control box 1 through the RS232 bus, so as to adjust the temperature.
Further, the temperature control box 1 may include a preset temperature mode, and corresponding temperature control is performed through selection of the temperature mode. Temperature modes include, but are not limited to: a temperature increasing mode, a temperature decreasing mode, or a fixed temperature mode.
Furthermore, the temperature control box 1 can also directly support the setting of the temperature, and provide a corresponding test environment according to the set temperature.
As a preferred embodiment, the upper computer 3, the plurality of test motherboards 2 and the wireless receiving end 4 communicate with each other through an RS485 bus.
Specifically, in this embodiment, through the RS485 bus connection between all test mainboards 2 and the wireless receiving terminal 4, also through the RS485 bus connection between all test mainboards 2 and the host computer 3, only need set up two RS485 buses, can be in parallel with all test mainboards 2, wireless receiving terminal 4, host computer 3 together, simplified circuit, the wiring is simple. Meanwhile, the RS485 bus has long communication distance and strong anti-interference capability. Further, different devices are distinguished by addresses.
Further, in the above preferred embodiment, the test motherboard 2 further includes a first protocol conversion circuit 26 connected to the control unit 21 for converting the RS485 protocol and the UART protocol.
Further, as shown in fig. 3, the wireless receiving board specifically includes: a wireless receiving circuit 42 mainly including a wireless SOC chip for implementing communication connection control, receiving of image data and data processing functions, wherein the functions of the receiving unit and the first statistical unit can be integrated in the wireless receiving circuit 42; the second protocol conversion circuit 43 is connected to the wireless reception circuit 42 and performs protocol conversion.
Adopt above-mentioned technical scheme to have following advantage or beneficial effect: the invention controls the testing flow of the testing mainboard and the testing temperature environment of the temperature control box through the upper computer, realizes automatic testing, liberates manpower, saves time, improves testing efficiency and is suitable for batch testing of products.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a full-automatic batch test system of high low temperature performance of wireless picture transmission product which characterized in that includes:
the temperature control box is internally provided with a plurality of test main boards and a plurality of wireless image transmission products and is used for providing a temperature-controllable test environment;
the upper computer is respectively connected with the temperature control box and the plurality of test main boards and is used for controlling the temperature of the temperature control box; sending a test instruction to the test mainboard, and receiving a test result fed back by the test mainboard;
each test mainboard is connected with at least one wireless image transmission product and used for electrifying the wireless image transmission product included in the test instruction and controlling the wireless image transmission product and a wireless receiving end to transmit image transmission data so as to perform performance test and obtain a test result.
2. The system of claim 1, wherein the test motherboard comprises:
the acquisition unit is used for acquiring current and voltage information of the wireless image transmission product;
the temperature sensing unit is used for acquiring temperature information in the temperature control box;
the control unit is respectively connected with the acquisition unit and the temperature sensing unit, is used for receiving the current and voltage information and the temperature information, and summarizes the current and voltage information and the temperature information in the test result;
the power supply control switches are controllably connected between each wireless image transmission product and the acquisition unit and are used for controlling the wireless image transmission products to be powered on and powered off;
and the level conversion circuits are connected between each wireless image transmission product and the control unit.
3. The system according to claim 2, wherein each of the level shift circuits is further configured to perform enable control according to an enable control signal outputted by the control unit.
4. The system for full-automatic batch testing of high and low temperature performance of wireless image transmission products according to claim 1, wherein each wireless image transmission product is correspondingly provided with identification information;
the test mainboard further comprises:
the acquisition unit is used for acquiring the identification information of the wireless image transmission product;
the first sending unit is connected with the acquiring unit and used for sending the identification information to the wireless receiving end;
and the wireless receiving end is matched with the corresponding wireless image transmission product according to the identification information and is connected with the wireless image transmission product in a wireless mode to transmit data.
5. The system of claim 1, wherein the wireless receiver comprises:
the receiving unit is used for receiving the image transmission data sent by the wireless image transmission product;
the first statistical unit is connected with the receiving unit and used for counting the number of received frames of the received image transmission data and sending the received image transmission data to the test mainboard;
and the test mainboard calculates the success rate of image transmission communication according to the receiving frame number of the wireless receiving end and the sending frame number of the wireless image transmission product and includes the success rate in the test result.
6. The system for full-automatic batch testing of high and low temperature performance of wireless image transmission products according to claim 1, wherein the wireless image transmission products comprise:
the storage unit is used for storing the image transmission data;
the calling unit is connected with the storage unit and used for acquiring the image transmission data from the storage unit and sending the image transmission data to the wireless receiving end;
and the second statistical unit is connected with the calling unit and used for counting the sending frame number of the sent image transmission data and sending the sending frame number to the test mainboard.
7. The system for full-automatic batch testing of high and low temperature performance of wireless image transmission products according to claim 1, further comprising: and the external power supply is controllably connected with the test main boards and is used for providing an adjustable power supply for the test main boards.
8. The system for full-automatic batch testing of high and low temperature performance of wireless image transmission products according to claim 1, wherein the upper computer is connected with the temperature control box through an RS232 bus.
9. The system of claim 1, wherein the host computer, the plurality of test boards, and the wireless receiver are in communication via an RS485 bus.
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| CN202211037895.7A CN115357067B (en) | 2022-08-26 | 2022-08-26 | Full-automatic batch test system for high-low temperature performance of wireless image transmission product |
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| CN115357067B (en) | 2024-05-03 |
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