CN108306694A - Micro power radio module half-finished product plate test device and test method - Google Patents

Abstract

The invention relates to a micro-power wireless module semi-finished board testing device and testing method. The device includes: a control module, a power supply module, a semi-finished board interface, a current detection module, a signal source interface, a radio frequency switch interface, a radio frequency spectrum analyzer interface and Host computer interface, the control module is connected to the power module, semi-finished board interface, current detection module, signal source interface, radio frequency switch interface, radio frequency spectrum analyzer interface and host computer interface, and the current detection module is connected to the power supply module and semi-finished board interface ; The control module is used for power-on self-check, serial port verification, receiver sensitivity test, transmitter carrier power and frequency error test. The invention can automatically complete the test on the semi-finished board of the micro-power wireless module, avoids frequent manual operation of the instrument, and has the advantages of high efficiency, simple operation, low misjudgment rate, and the like.

Description

Micro-power wireless module semi-finished board test device and test method

technical field

The invention relates to the testing field in the electric communication technology, in particular to a micropower wireless module semi-finished board testing device, and also relates to a micropower wireless module semi-finished board testing method.

Background technique

In the power smart grid system, the micro-power wireless module is a common radio transceiver module used to transmit user electricity consumption information (meter reading).

When the micro-power wireless module is working, it needs to be connected to the energy meter through a standard interface, and the energy meter sends data instructions to coordinate the work of the module.

Existing test equipment for micro-power wireless modules is not highly automated.

Contents of the invention

Based on this, it is necessary to provide a testing device with an analog electric energy meter and capable of sending data instructions to test the semi-finished board of the micro-power wireless module.

A micro-power wireless module semi-finished board testing device, including: a control module, a power module, a semi-finished board interface, a current detection module, and a peripheral auxiliary equipment interface. The peripheral auxiliary equipment interface includes a signal source interface, a radio frequency switch interface, and a radio frequency spectrum analysis instrument interface and host computer interface, the control module is connected to the power supply module, semi-finished board interface, current detection module, signal source interface, radio frequency switch interface, radio frequency spectrum analyzer interface and host computer interface, and the current detection module is connected to the The power module and the semi-finished board interface; the control module is used for power-on self-check, serial port verification, receiving sensitivity test, transmitter carrier power and frequency error test; the power-on self-check is the control module in the When the device is turned on, the handshake connection with each peripheral auxiliary device is completed through the peripheral auxiliary device interface; the serial port verification is that the control module sends a verification signal to the connected micro-power wireless module semi-finished board through the semi-finished board interface to verify The signal integrity of the semi-finished board interface; the receiving sensitivity test is that the control module controls the connected radio frequency switch to switch to the signal receiving channel through the radio frequency switch interface, and sends a signal to the connected signal source through the signal source interface. instruction to make the signal source send a radio frequency signal and send it to the receiver built in the semi-finished micro-power wireless module board after being attenuated by the radio-frequency attenuator to demodulate and verify the receiving sensitivity, and receive the micro-power wireless module when the verification is passed The verification of semi-finished board returns passes the instruction, and the signal receiving channel is the channel connecting the radio frequency attenuator and the radio frequency interface of the semi-finished board of the micropower wireless module; the transmitter carrier power and frequency error test is that the control module passes The radio frequency switch interface controls the radio frequency switch to switch to the signal transmission channel, and through the semi-finished board interface controls the transmitter built in the micro-power wireless module semi-finished board to transmit radio frequency signals, and perform spectrum analysis and verification for the radio frequency spectrum analyzer Transmitter carrier power and transmitter frequency error, when the verification is passed, receive the verification instruction returned by the radio frequency spectrum analyzer, and the signal transmission channel is the channel connecting the radio frequency interface with the radio frequency spectrum analyzer; the control The module is also used to report the results of the power-on self-check, serial port verification, receiver sensitivity test, transmitter carrier power and frequency error test to the host computer through the host computer interface; During the sensitivity test, transmitter carrier power and frequency error test, the working current of the micro-power wireless module semi-finished board is detected through the semi-finished board interface, and the control module reports to the host computer when the working current is overcurrent.

In one of the embodiments, it further includes a display module interface for connecting to a display module, and the control module is also used for sending the result of whether the device passes the test to the display module through the display module interface for display.

In one of the embodiments, the display module interface sends to the display module for display according to the results of the power-on self-check, serial port verification, receiver sensitivity test, transmitter carrier power and frequency error test, and the The detection result of the current detection module is displayed.

In one embodiment, the control module is an MCU, and the control module is further configured to upload each test event to the host computer for the host computer to calculate working hours.

In one of the embodiments, it also includes a scanning gun interface, which is used to connect an infrared scanning gun, and obtain the serial number information of the connected micro-power wireless module semi-finished board through the infrared scanning gun, and pass the serial number information through the upper After the computer interface is uploaded to the host computer, it is associated with the result and recorded.

In one of the embodiments, the host computer interface is an RS485 interface.

In one of the embodiments, it also includes a module power switch circuit connected to the power module for controlling the power supply of the micro-power wireless module semi-finished board, and the module power switch circuit also includes an overcurrent protection unit for The current supplied to the micro-power wireless module semi-finished board is controlled below a preset value.

It is also necessary to provide a method for testing the semi-finished board of the micro-power wireless module.

A micro-power wireless module semi-finished board testing method, including: power-on self-test; complete the handshake connection with each peripheral auxiliary equipment, and upload the self-test result to the host computer; if the self-test fails, the test ends; serial port verification; through the connection The semi-finished board interface of the micro-power wireless module semi-finished board sends a verification signal to the micro-power wireless module semi-finished board to verify the signal integrity of the semi-finished board interface, and upload the verification result to the host computer; if the verification fails, then End the test; receive sensitivity test; control the RF switch to switch to the signal receiving channel, and make the signal source send the RF signal, after being attenuated by the RF attenuator, send it to the built-in receiver of the micro-power wireless module semi-finished board for demodulation and verification of reception Sensitivity, and then upload the receiving sensitivity test result to the host computer; the signal receiving channel is the channel connecting the radio frequency attenuator and the radio frequency interface of the semi-finished micropower wireless module board; when the receiving sensitivity test Detect the operating current of the semi-finished board of the micro-power wireless module, and report to the host computer if the operating current is overcurrent; test the carrier power and frequency error of the transmitter; control the radio frequency switch to switch to the signal transmission channel, and control The built-in transmitter of the micro-power wireless module semi-finished board transmits radio frequency signals, performs spectrum analysis to the radio frequency spectrum analyzer and verifies the carrier power of the transmitter and the frequency error of the transmitter, and then uploads the test results of the carrier power and frequency error of the transmitter to the The upper computer; the signal transmission channel is the channel connecting the radio frequency interface with the radio frequency spectrum analyzer; the operating current of the micropower wireless module semi-finished board is detected when the transmitter carrier power and frequency error test, if The overcurrent of the working current is reported to the upper computer.

In one of the embodiments, it further includes a step of displaying the test result of whether the micro-power wireless module semi-finished board passes the test.

In one of the embodiments, the step of displaying the result of whether the micro-power wireless module semi-finished board test passes is based on the power-on self-inspection, serial port verification, receiving sensitivity test, transmitter carrier power and frequency error The result of the test, and the detection of the operating current of the micro-power wireless module semi-finished board during the receiving sensitivity test, and the detection of the operating current of the micro-power wireless module semi-finished board during the transmitter carrier power and frequency error test The test results are displayed.

The micro-power wireless module semi-finished board test device can automatically perform power-on self-check, serial port verification, receiver sensitivity test, transmitter carrier power and frequency error test. The current detection module detects the working current of the semi-finished board of the micro-power wireless module during the receiving sensitivity test, transmitter carrier power and frequency error test, and reports when the working current is overcurrent, so it can automatically complete the semi-finished board of the micro-power wireless module Test, to avoid frequent manual operation of instruments (such as peripheral auxiliary equipment), has the advantages of high efficiency, simple operation, and low misjudgment rate.

Description of drawings

Fig. 1 is a structural block diagram of a micropower wireless module semi-finished board testing device in an embodiment;

Fig. 2 is a flowchart of a method for testing a semi-finished micropower wireless module board in an embodiment.

Detailed ways

A preferred embodiment of the invention is given in . However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the present invention will be thorough and complete.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical", "horizontal", "left", "right" and similar expressions are used herein for the purpose of description only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Fig. 1 is a structural block diagram of a micro-power wireless module semi-finished board testing device in an embodiment, and the micro-power wireless module semi-finished board testing device is used to test the micro-power wireless module semi-finished board. Micro-power wireless module semi-finished board testing device includes: control module 100, power supply module 110, semi-finished board interface 130, current detection module 120, signal source interface 170, radio frequency switch interface 140, radio frequency spectrum analyzer interface 160 and host computer interface 150. The control module 100 is connected to the power module 110, the semi-finished board interface 130, the current detection module 120, the signal source interface 170, the radio frequency switch interface 140, the radio frequency spectrum analyzer interface 160 and the upper computer interface 150, and the current detection module 120 is connected to the semi-finished board interface 130.

The control module 100 is used for power-on self-check, serial port verification, receiver sensitivity test, transmitter carrier power and frequency error test.

Power-on self-test means that the control module 100 completes the handshake connection with the signal source through the signal source interface 170 when the micropower wireless module semi-finished board test device is turned on, completes the handshake connection with the RF switch through the RF switch interface 140, and completes the handshake connection with the RF switch through the RF spectrum analyzer interface. 160 completes the handshake connection with the radio frequency spectrum analyzer, and completes the handshake connection with the host computer through the host computer interface 150 .

The serial port verification is that the control module 100 sends a verification signal to the connected micropower wireless module semi-finished board through the semi-finished board interface 130 to verify the signal integrity of the semi-finished board interface 130 .

The receiving sensitivity test is that the control module 100 controls the connected RF switch through the RF switch interface 140 to switch to the signal receiving channel (the signal receiving channel is the channel connecting the RF attenuator and the RF interface of the semi-finished board of the micropower wireless module), and passes the signal source The interface 170 sends an instruction to the connected signal source, so that the signal source sends a radio frequency signal, which is attenuated by the radio frequency attenuator, and then sent to the built-in receiver of the semi-finished micropower wireless module board for demodulation and verification of receiving sensitivity. When the verification is passed, the control module 100 receives a verification pass instruction returned by the semi-finished micropower wireless module board.

Transmitter carrier power and frequency error test is that the control module 100 controls the radio frequency switch to switch to the signal transmission channel through the radio frequency switch interface 140 (the signal transmission channel is the channel that connects the radio frequency interface of the micropower wireless module semi-finished board with the radio frequency spectrum analyzer), And through the semi-finished board interface 130, the transmitter built in the micro-power wireless module semi-finished board is controlled to transmit radio frequency signals, and the radio frequency spectrum analyzer is used to perform spectrum analysis and verify the carrier power of the transmitter and the frequency error of the transmitter. When the verification is passed, the control module 100 receives a verification passed instruction returned by the radio frequency spectrum analyzer.

After the corresponding detection is completed, the control module 100 reports the results of power-on self-check, serial port verification, receiver sensitivity test, transmitter carrier power and frequency error test to the host computer through the host computer interface 150 .

The current detection module 120 is used to detect the operating current of the semi-finished board of the micro-power wireless module through the semi-finished board interface 130 during the receiving sensitivity test, transmitter carrier power and frequency error test, and the control module 100 reports to the superior when the working current is overcurrent machine, and when the working current is over-current, the system automatically judges the currently tested semi-finished micro-power wireless module board as a defective product.

The micro-power wireless module semi-finished board test device can automatically perform power-on self-check, serial port verification, receiver sensitivity test, transmitter carrier power and frequency error test. The current detection module 120 detects the operating current of the micro-power wireless module semi-finished board during the receiving sensitivity test, transmitter carrier power and frequency error test, and reports when the operating current is overcurrent, so it can automatically complete the micro-power wireless module semi-finished board The test results are automatically recorded and reported automatically, avoiding frequent manual operation of the instrument, and it has the advantages of high efficiency, simple operation, and low misjudgment rate.

In one embodiment, the semi-finished board interface 130 is used to connect the micro-power wireless module semi-finished board with a thimble clamp.

In one embodiment, the micro-power wireless module semi-finished board testing device includes an indicator light, the green light is on when the power-on self-test is successful, and the red light is on when the self-test fails.

In the embodiment shown in FIG. 1 , the micropower wireless module semi-finished board testing device further includes a display module interface 180 . The display module interface 180 is used to connect the display module, and the control module 100 sends the test result of whether the micropower wireless module semi-finished board test device passes to the display module through the display module interface 180 for display.

In one embodiment, the display module displays according to the results of power-on self-check, serial port verification, receiver sensitivity test, transmitter carrier power and frequency error test, and the detection result of the current detection module 120 . In one embodiment, if the power-on self-test, serial port verification, receiver sensitivity test, transmitter carrier power and frequency error test all pass the test, and the current detection module 120 does not detect overcurrent, the display module displays the PASS character; when When the test verification fails, the display module displays the character information of the relevant verification failure, including: CON CHK (serial port verification failure), DATACHK (data verification failure), RX CHK (reception verification failure), TX CHK (transmission verification failure).

In one embodiment, the display module is a liquid crystal display, and the display module interface 180 is a liquid crystal display interface.

In one embodiment, the control module 100 is an MCU (Micro Control Unit), and the control module 100 is also used to upload each test event to the host computer for the host computer to calculate working hours. Since the MCU controls the test time through programming, the single board test time is almost the same, and the calculation result of the man-hour will be very close to the actual value of the man-hour.

In one embodiment, the host computer interface 150 is an RS485 interface, through which a personal computer (PC) is connected to record and store test results in real time, which is convenient for maintenance and quality inquiry.

In one embodiment, the semi-finished micropower wireless module board further includes a module power switch circuit. The module power switch circuit is connected with the power module 110, and is used to control the power supply of the semi-finished board of the micro-power wireless module. The module power switch circuit also includes an overcurrent protection unit, which is used to control the current supplied to the micropower wireless module semi-finished board below a preset value, and the preset value may be an overcurrent threshold. In one embodiment, the preset value is 500mA, that is, the overcurrent protection unit automatically limits the current within 500mA; in other embodiments, it can also be other preset values.

In one embodiment, the micro-power wireless module semi-finished board further includes a scanning gun interface for connecting an infrared scanning gun. The currently tested semi-finished micro-power wireless module board has serial number information, such as a two-dimensional code or a barcode recording the serial number of the semi-finished micro-power wireless module board. The serial number is obtained by scanning the infrared scanning gun connected to the scanning gun interface, and then the serial number is uploaded to the host computer through the host computer interface 150, and is associated with the test result of the semi-finished micropower wireless module board currently tested.

In one embodiment, the power module 110 includes a voltage transforming unit, a first voltage stabilizing unit, a second voltage stabilizing unit and a third voltage stabilizing unit. The transformer unit is used to convert the connected mains power (220V) into 18V DC power supply through step-down, rectification and smooth filtering. The first voltage stabilizing unit adopts a 12V three-terminal voltage regulator to provide a stable 12V DC power supply for the whole machine. The second voltage stabilizing unit adopts a 3.3V three-terminal voltage regulator to convert the 12V output by the first voltage stabilizing unit into 3.3V to supply power to the control module 100 (MCU). The third voltage stabilizing unit adopts a 5.0V three-terminal voltage regulator to convert the 12V output by the first voltage stabilizing unit into 5.0V, and supplies power to the RS485 interface and the local display module.

It is also necessary to provide a micro-power wireless module semi-finished board testing method, which can be tested by using the micro-power wireless module semi-finished board testing device in any of the above embodiments. Fig. 2 is a flow chart of a micropower wireless module semi-finished board testing method in an embodiment, including:

S210, power-on self-test.

Complete the handshake connection with each peripheral auxiliary device, and upload the self-test result to the host computer. Specifically, it includes completing the handshake connection with the signal source, completing the handshake connection with the RF switch, and completing the handshake connection with the host computer by completing the handshake connection with the RF spectrum analyzer. If the power-on self-test fails, the test ends; after the self-test succeeds, connect the micro-power wireless module semi-finished board to be tested with the micro-power wireless module semi-finished board testing device, turn on the test switch, and the system enters the test state.

S220, serial port verification.

Send a verification signal to the semi-finished board of the micro-power wireless module by connecting the semi-finished board interface of the micro-power wireless module semi-finished board to verify the signal integrity of the semi-finished board interface, and upload the verification result to the host computer. If the verification fails, the test ends.

S230, receiving sensitivity test.

Control the RF switch to switch to the signal receiving channel, and make the signal source send the RF signal, after being attenuated by the RF attenuator, send it to the built-in receiver of the micro-power wireless module semi-finished board for demodulation and verification of the receiving sensitivity, and then upload the receiving sensitivity test result to the host computer. The signal receiving channel is a channel connecting the radio frequency attenuator and the radio frequency interface of the micropower wireless module semi-finished board.

When performing the receiving sensitivity test, the operating current of the micro-power wireless module semi-finished board should also be detected at the same time. If the operating current is overcurrent, it will be reported to the host computer.

S240, testing the carrier power and frequency error of the transmitter.

In this embodiment, step S230 is executed first, and then step S240 is executed; it can be understood that, in other embodiments, step S240 may be executed first, and then step S230 is executed.

Control the RF switch to switch to the signal transmission channel, and control the built-in transmitter of the micro-power wireless module semi-finished board to transmit RF signals, perform spectrum analysis on the RF spectrum analyzer and verify the transmitter carrier power and transmitter frequency error, and then transmit the transmitter carrier The power and frequency error test results are uploaded to the host computer. The signal transmitting channel is a channel connecting the radio frequency interface of the micro-power wireless module semi-finished board with the radio frequency spectrum analyzer.

When testing the carrier power and frequency error of the transmitter, the operating current of the semi-finished board of the micro-power wireless module must be detected at the same time. If the operating current is overcurrent, it will be reported to the host computer.

The above method for testing the semi-finished micro-power wireless module board can be tested by using the micro-power wireless module semi-finished board testing device described in any of the above embodiments.

In one embodiment, the method for testing the micro-power wireless module semi-finished board further includes a step of displaying the test result of the micro-power wireless module semi-finished board. In one embodiment, it is based on the results of power-on self-check, serial port verification, receiver sensitivity test, transmitter carrier power and frequency error test, and when detecting the operating current of the micropower wireless module semi-finished board in step S230, in step S240 The detection result of detecting the working current of the micro-power wireless module semi-finished board is displayed. In one embodiment, if the power-on self-test, serial port verification, receiver sensitivity test, transmitter carrier power and frequency error test all pass the test, and the current detection module 120 does not detect overcurrent, the display module displays the PASS character; when When the test verification fails, the display module displays the character information of the relevant verification failure, including: CON CHK (serial port verification failure), DATACHK (data verification failure), RX CHK (reception verification failure), TX CHK (transmission verification failure).

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (10)

1. a kind of micro power radio module half-finished product plate test device, which is characterized in that including：Control module, power module, half Finished product plate interface, current detection module and peripheral auxiliary equipment interface, the peripheral auxiliary equipment interface include signal source interface, RF switch interface, Spectrum Analyzer interface and host computer interface, the control module connect the power module, half at Product plate interface, current detection module, signal source interface, RF switch interface, Spectrum Analyzer interface and host computer interface, The current detection module connects the power module and the half-finished product plate interface；

The control module is for booting up self-test, serial ports verification, receiving sensitivity test, transmitter carrier power and frequency Error testing；

The startup self-detection be the control module when described device is switched on by the peripheral auxiliary equipment interface complete with The connection of shaking hands of each peripheral auxiliary equipment；

Serial ports verification be the control module by micro power radio module half from the half-finished product plate interface to connection at Product plate sends checking signal, to verify the signal integrity of the half-finished product plate interface；

The receiving sensitivity test is that the control module is cut by the RF switch that the RF switch Interface Controller connects Signal receiving channel is shifted to, and instruction is sent out to the signal source of connection by the signal source interface, the signal source is made to send Radiofrequency signal and being sent after radio frequency attenuator is decayed to the receiver built in the micro power radio module half-finished product plate is solved Receiving sensitivity is adjusted and verifies, the micro power radio module half-finished product plate return is received when being verified is verified finger It enables, the signal receiving channel is to connect the radio frequency interface of the radio frequency attenuator and the micro power radio module half-finished product plate The channel connect；

Transmitter carrier power and frequency error test are the control modules by being penetrated described in the RF switch Interface Controller Frequency switching passes through micro power radio module half-finished product plate described in the half-finished product plate Interface Controller to signal transmission channel Built-in transmitter emits radiofrequency signal, spectrum analysis is carried out to Spectrum Analyzer and verifies transmitter carrier power and hair Unit frequency error is penetrated, the instruction that is verified of the Spectrum Analyzer return, the signal hair are received when being verified It is the channel for connecting the radio frequency interface with Spectrum Analyzer to penetrate channel；

The control module be additionally operable to by the startup self-detection, serial ports verification, receiving sensitivity test, transmitter carrier power and The result of frequency error test is by the host computer interface report to host computer；

The current detection module is used for logical when receiving sensitivity test, transmitter carrier power and frequency error are tested The operating current that the half-finished product plate interface detects the micro power radio module half-finished product plate is crossed, the control module is described It is reported when operating current overcurrent to the host computer.

2. micro power radio module half-finished product plate test device according to claim 1, which is characterized in that further include display Module interface, for connecting display module, the control module be additionally operable to by described device test whether by result pass through The display module interface is sent to the display module and is shown.

3. micro power radio module half-finished product plate test device according to claim 2, which is characterized in that the display mould Block interface is sent to the display module and is shown, be according to the startup self-detection, serial ports verification, receiving sensitivity test, Transmitter carrier power and frequency error test as a result, and the testing result of the current detection module shown.

4. micro power radio module half-finished product plate test device according to claim 1, which is characterized in that the control mould Block is MCU, and the control module is additionally operable to each test event being uploaded to the host computer so that host computer calculates working hour.

5. micro power radio module half-finished product plate test device according to claim 1, which is characterized in that further include scanning Rifle interface obtains the micro power radio module of connection partly for connecting infrared scanning rifle, and by the infrared scanning rifle The number information of production board, and the number information is uploaded to after the host computer and the knot by the host computer interface It is recorded after fruit association.

6. micro power radio module half-finished product plate test device according to claim 1, which is characterized in that the host computer Interface is RS485 interfaces.

7. micro power radio module half-finished product plate test device according to claim 1, which is characterized in that further include module Power switch circuit connects the power module, the power supply for controlling the micro power radio module half-finished product plate, the mould Block power switch circuit further includes over-current protecting unit, the electric current for that will be supplied to the micro power radio module half-finished product plate Control is below preset value.

8. a kind of micro power radio module half-finished product plate test method, including：

Startup self-detection；Completion is connect with shaking hands for each peripheral auxiliary equipment, and self-detection result is uploaded to host computer；If self-test is lost It loses, terminates to test；

Serial ports is verified；By connecting the half-finished product plate interface of the micro power radio module half-finished product plate to micro power radio module Half-finished product plate sends checking signal, to verify the signal integrity of the half-finished product plate interface, and verification result is uploaded to institute State host computer；Terminate to test if authentication failed；

Receiving sensitivity is tested；Control RF switch switches to signal receiving channel, and signal source is made to send radiofrequency signal, through penetrating It is sent to the receiver built in the micro power radio module half-finished product plate after the decaying of frequency attenuator and is demodulated and verified reception spirit Sensitivity, then receiving sensitivity test result is uploaded to the host computer；The signal receiving channel is by the rf attenuation The channel that device is connected with the radio frequency interface of the micro power radio module half-finished product plate；

The operating current of the micro power radio module half-finished product plate is detected when the receiving sensitivity is tested, if the work Overcurrent is then reported to the host computer；

Transmitter carrier power and frequency error test；It controls the RF switch and switches to signal transmission channel, and control institute It states the transmitter transmitting radiofrequency signal built in micro power radio module half-finished product plate, carry out spectrum analysis to Spectrum Analyzer And transmitter carrier power and transmitter frequency error are verified, then transmitter carrier power and frequency error test result are uploaded To the host computer；The signal transmission channel is the channel for connecting the radio frequency interface with Spectrum Analyzer；

The work of the micro power radio module half-finished product plate is detected when the transmitter carrier power and frequency error are tested Electric current, report is to the host computer if the operating current overcurrent.

9. micro power radio module half-finished product plate test method according to claim 8, which is characterized in that further include by institute State micro power radio module half-finished product plate test whether by result shown the step of.

10. micro power radio module half-finished product plate test method according to claim 9, which is characterized in that described by institute State micro power radio module half-finished product plate test whether by result shown the step of, be according to the startup self-detection, Serial ports verification, receiving sensitivity test, transmitter carrier power and frequency error test as a result, and it is described receive it is sensitive The operating current of the micro power radio module half-finished product plate is detected when degree test, is missed in the transmitter carrier power and frequency The testing result for the operating current for detecting the micro power radio module half-finished product plate when difference test is shown.