CN212163548U - Television board card wireless module test equipment - Google Patents
Television board card wireless module test equipment Download PDFInfo
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- CN212163548U CN212163548U CN202020272716.8U CN202020272716U CN212163548U CN 212163548 U CN212163548 U CN 212163548U CN 202020272716 U CN202020272716 U CN 202020272716U CN 212163548 U CN212163548 U CN 212163548U
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Abstract
A test device for a wireless module of a television board card is connected with wireless equipment and an antenna interface of the television board card to be tested in a wired mode through a signal attenuation part, a transmission signal of the wireless equipment is attenuated to a proper strength and then is directly and stably transmitted to the television board card to be tested in a wired mode, test failure caused by the fact that the wireless module of the television board card to be tested is influenced by the environment when the wireless module of the television board card to be tested is in wireless connection with the wireless equipment is avoided, test efficiency of the wireless module of the television board card to be tested is improved, and misjudgment rate is reduced.
Description
Technical Field
The application belongs to the technical field of wireless detection, and particularly relates to a television board card wireless module testing device.
Background
At present, television board card manufacturers generally adopt a television board card WIFI antenna and a bluetooth antenna to be wirelessly connected with a WIFI router and bluetooth equipment respectively when testing WiFi and bluetooth functions of the television board cards before the television board cards leave a factory, and the testing method is greatly influenced by surrounding environment, often causes the problems of failed WIFI and bluetooth test connection, excessive WiFi strength and throughput testing indexes and the like, and seriously influences the testing efficiency.
SUMMERY OF THE UTILITY MODEL
The application aims to provide a television board card wireless module testing device, and aims to solve the problems that a traditional testing method is greatly influenced by surrounding environment and testing efficiency is influenced.
The embodiment of the application provides a TV set integrated circuit board wireless module test equipment, includes:
a server for providing data;
the detection device is in communication connection with the television board card to be detected and the server and is used for determining the RSSI value of the wireless module according to the received signal strength of the wireless module in the television board card to be detected and determining the throughput value of the wireless module according to the data quantity transmitted to the television board card to be detected by the server in unit time; and
the signal attenuation part, the signal attenuation part has at least one input interface and an output interface, every the input interface is through the antenna interface connection of first cable and a wireless device, the output interface pass through the second cable with the antenna interface connection of the wireless module that awaits measuring the TV set integrated circuit board corresponds, the signal attenuation part be used for right the transmission signal of wireless device attenuates the back and exports the TV set integrated circuit board that awaits measuring.
In one embodiment, the signal attenuation unit includes a mixer and at least one group of attenuators, an input interface of each group of the attenuators is used as each input interface of the signal attenuation unit, an output interface of each group of the attenuators is connected with an input interface of the mixer, and an output interface of the mixer is used as an output interface of the signal attenuation unit.
In one embodiment, each set of said attenuators comprises two attenuators connected in series.
In one embodiment, the signal attenuation component attenuates the transmission signal of the wireless device to-60 ± 5dBm and outputs the attenuated transmission signal to the television board card to be tested.
In one embodiment, the wireless device comprises a wireless router and/or a bluetooth device.
In one embodiment, the antenna interface of the wireless device is provided with an impedance matching resistor.
In one embodiment, the impedance matching resistor has a resistance of 120 ohms.
In one embodiment, the first cable is a 1.13mm coaxial cable.
In one embodiment, the second cable includes a 2.5mm coaxial cable connected to the output interface of the signal attenuation unit and a 1.13mm coaxial cable connected to the antenna interface of the wireless module corresponding to the tv board to be tested.
In one embodiment, the detection device comprises an MSD3553NUA audio and video processing chip.
The television board card wireless module test equipment is connected with the wireless equipment and the antenna interface of the television board card to be tested in a wired mode through the signal attenuation part, the transmission signal of the wireless equipment is attenuated to a proper intensity and then is directly and stably transmitted to the television board card to be tested in a wired mode, test failure caused by environmental influence when the wireless module of the television board card to be tested is in wireless connection with the wireless equipment is avoided, test efficiency of the wireless module of the television board card to be tested is improved, and misjudgment rate is reduced.
Drawings
Fig. 1 is a schematic structural circuit diagram of a television board card wireless module testing device according to an embodiment of the present application.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, the apparatus for testing a wireless module of a television board card according to the embodiment of the present disclosure includes a server 100, a signal attenuation unit 200, and a detection device 300.
The server 100 is used for providing data; the Signal attenuation component 200, the Signal attenuation component 200 has at least one input interface and one output interface, each input interface is connected with an antenna interface of a wireless device 10 through a first cable, the output interface is connected with an antenna interface of a wireless module (not shown) corresponding to the television board 20 to be tested through a second cable, the Signal attenuation component 200 is used for attenuating a transmission Signal of the wireless device 10 and outputting the transmission Signal to the television board 20 to be tested, the detection device 300 is in communication connection with the television board 20 to be tested and the server 100, the detection device 300 is used for determining an RSSI (Received Signal Strength Indication) value of the wireless module according to the Received Signal Strength of the wireless module in the television board 20 to be tested and determining a throughput value of the wireless module according to the data amount transmitted to the television board 20 to be tested by the server 100 in unit time, the wireless device 10 may download or upload data by communicating with the server 100.
The signal attenuation part 200 is connected with the wireless device 10 and the antenna interface of the television board card 20 to be tested in a wired manner, and the transmission signal of the wireless device 10 is attenuated to a suitable strength and then is directly and stably transmitted to the television board card 20 to be tested in a wired manner, so that the test failure easily caused by the influence of the environment when the wireless module of the television board card 20 to be tested is wirelessly connected with the wireless device 10 is avoided, the test efficiency of the wireless module of the television board card 20 to be tested is improved, and the misjudgment rate is reduced.
In one embodiment, the signal attenuating unit 200 comprises a mixer 210 and at least one group of attenuators 220, wherein an input interface of each group of attenuators 220 is used as each input interface of the signal attenuating unit 200, an output interface of each group of attenuators 220 is connected to an input interface of the mixer 210, and an output interface of the mixer 210 is used as an output interface of the signal attenuating unit 200.
In one embodiment, each set of attenuators 220 includes more than one attenuator, and each set of attenuators 220 is two attenuators connected in series in this example. And, the signal attenuation part 200 attenuates the transmission signal of the wireless device 10 to-60 dBm ± 5dBm and outputs the signal to the television board card 20 to be tested.
In one example, the attenuator is selected from the types: DC6G30dB, the frequency can support to 6GHz, and the decay degree of distortion is little, and the interference killing feature is strong, satisfies wiFi 2.4G/5G basically and bluetooth 2.4G frequency decay requirement, and each way (group) attenuates 60dB intensity (2 30dB attenuators). The mixer 210 uses a dual-input single-output divider as the mixer 210, the frequency range is 1500-8000M Hz, the WiFi and Bluetooth frequency requirements are met, the signal distortion degree is small, the anti-interference capability is strong, and 1 dosage is used in each path.
The second cable includes a 2.5mm coaxial cable connected to the output interface of the signal attenuation unit 200 and a 1.13mm coaxial cable connected to the antenna interface of the wireless module corresponding to the tv board card 20 to be tested. In one example, the output extension line of the mixer 210 is a semi-flexible rf cable (length 2m, two ends of SMA male) with a diameter of 2.5mm, and the extension line connected to the tv board card 20 to be tested is a semi-flexible rf cable (specification: diameter 1.13mm, length 50cm, one end of SMA female, one end of I-PEX socket).
In one embodiment, the wireless device 10 comprises a wireless router and/or a Bluetooth device. The antenna interface of the wireless device 10 is provided with an impedance matching resistor. The impedance matching resistor has a value of 120 ohms in this example.
In one example, the wireless router chooses the model: pro AC2600, contain four external antennas, wherein two of them are 2.4G WiFi interfaces, another two are 5G WiFi interfaces, can select 2.4G WiFi module or 5G WiFi module test according to the TV integrated circuit board 20WiFi demand. A router reconstruction mode: 1) removing four external antennas of the router; 2) the four antenna output interfaces of the router are respectively connected with one end of an impedance matching resistor; 3) the other ends of the four impedance matching resistors are welded with a semi-flexible radio frequency cable, namely a first cable (specification: diameter 1.13mm, one end of SMA male head, one end of welding, length 15 mm).
In one example, the bluetooth device selects model: the MDZ-28-DE Bluetooth sound box is provided with two Bluetooth modules, two MAC addresses are distributed, one is a common Bluetooth MAC address, and the other is a BLE (Bluetooth Low Energy) MAC address, so that the test requirements of the Bluetooth modules of different television board cards 20 can be met. The modification mode is as follows: 1) removing a built-in antenna of the Bluetooth device; 2) the built-in antenna interface is connected with one end of the impedance matching resistor; 3) the other end of the impedance matching resistor is welded with a semi-flexible radio frequency cable, namely a first cable (specification: diameter 1.13mm, one end of SMA male head, one end of welding, length 15 mm).
WiFi throughput is in units of Mbit/s, e.g., 65Mbit/s means 65Mbit per second of data transfer, typical single antenna WiFi modules (maximum throughput is 150Mbit/s theoretical). Adopt traditional wireless connection test: the WiFi strength and the throughput are greatly influenced by the environment and the distance between the router and the board to be tested, the general strength is changed within the range of-30 dBm to-70 dBm, the 2.4G throughput change range is 5-30 Mbit/s, and the 5G throughput change range is 10-70 Mbit/s. Adopting a direct connection type test: the intensity can be fixedly attenuated to the range of minus 60dBm +/-10 dBm and changed, the 2.4G throughput value is within the range of 20-30 Mbit/s, the 5G throughput value is within the range of 50-70 Mbit/s, the visible test is stable, the efficiency is high, and the error rate is reduced.
In one embodiment, the detection apparatus 300 includes an MSD3553NUA audio video processing chip.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (10)
1. A TV set integrated circuit board wireless module test equipment includes:
a server for providing data; and
the detection device is in communication connection with the television board card to be detected and the server and is used for determining the RSSI value of the wireless module according to the received signal strength of the wireless module in the television board card to be detected and determining the throughput value of the wireless module according to the data quantity transmitted to the television board card to be detected by the server in unit time;
the television board card testing device is characterized by further comprising a signal attenuation part, wherein the signal attenuation part is provided with at least one input interface and one output interface, each input interface is connected with an antenna interface of a wireless device through a first cable, the output interface is connected with the antenna interface of the wireless module corresponding to the television board card to be tested through a second cable, and the signal attenuation part is used for outputting transmission signals of the wireless device to the television board card to be tested after being attenuated.
2. The television board radio module testing device of claim 1, wherein the signal attenuation section comprises a mixer and at least one set of attenuators, an input interface of each set of the attenuators being each input interface of the signal attenuation section, an output interface of each set of the attenuators being connected to an input interface of the mixer, an output interface of the mixer being an output interface of the signal attenuation section.
3. The television board radio module testing device of claim 2, wherein each set of said attenuators includes two attenuators connected in series.
4. The television board wireless module testing device as claimed in any one of claims 1 to 3, wherein the signal attenuation component attenuates the transmission signal of the wireless device to-60 ± 5dBm and outputs the attenuated transmission signal to the television board under test.
5. A television board radio module test apparatus as claimed in any one of claims 1 to 3, wherein the radio apparatus comprises a radio router and/or a bluetooth device.
6. A television board radio module test apparatus as claimed in any of claims 1 to 3, wherein the antenna interface of the radio is provided with an impedance matching resistor.
7. The television board wireless module testing device of claim 6, wherein the impedance matching resistor has a resistance of 120 ohms.
8. The television board wireless module testing device of claim 1, wherein the detection device is in communication connection with the television board to be tested through a serial port, and the detection device is in communication connection with the server through a network cable.
9. The television board wireless module testing device of claim 1, wherein the first cable is a 1.13mm coaxial cable, and the second cable comprises a 2.5mm coaxial cable that is butted against the signal attenuation unit output interface and a 1.13mm coaxial cable that is butted against the antenna interface of the wireless module corresponding to the television board to be tested.
10. The television board wireless module testing device of claim 1, wherein the detecting means includes an audio video processing chip of MSD3553 NUA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020272716.8U CN212163548U (en) | 2020-03-06 | 2020-03-06 | Television board card wireless module test equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020272716.8U CN212163548U (en) | 2020-03-06 | 2020-03-06 | Television board card wireless module test equipment |
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| CN212163548U true CN212163548U (en) | 2020-12-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114726768A (en) * | 2022-03-21 | 2022-07-08 | 沈阳中科奥维科技股份有限公司 | Automatic wireless board card testing device and method based on throughput measurement |
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2020
- 2020-03-06 CN CN202020272716.8U patent/CN212163548U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114726768A (en) * | 2022-03-21 | 2022-07-08 | 沈阳中科奥维科技股份有限公司 | Automatic wireless board card testing device and method based on throughput measurement |
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