CN109495188A - Bluetooth test system - Google Patents
Bluetooth test system Download PDFInfo
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- CN109495188A CN109495188A CN201811641692.2A CN201811641692A CN109495188A CN 109495188 A CN109495188 A CN 109495188A CN 201811641692 A CN201811641692 A CN 201811641692A CN 109495188 A CN109495188 A CN 109495188A
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- 238000012360 testing method Methods 0.000 title claims abstract description 126
- 238000004891 communication Methods 0.000 claims abstract description 52
- 230000003993 interaction Effects 0.000 claims abstract description 8
- 241001269238 Data Species 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 claims description 3
- 241001062009 Indigofera Species 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
- H04B17/0087—Monitoring; Testing using service channels; using auxiliary channels using auxiliary channels or channel simulators
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- H04B5/73—
Abstract
The present invention provides a kind of Bluetooth test system, comprising: the first shielded box；Test board is arranged in the first shielded box, including circuit board interface, for connecting tested Bluetooth circuit plate；First antenna is arranged in the first shielded box, connects tested Bluetooth circuit plate by circuit board interface；Second antenna is arranged in the first shielded box, for being wirelessly connected first antenna；Bluetooth test cell connects the second antenna by coaxial line；Communication unit connects tested Bluetooth circuit plate by circuit board interface；Host computer, it is connect with communication unit and bluetooth test cell, data interaction is carried out to make it through first antenna, the second antenna and bluetooth test cell for sending test instruction to tested Bluetooth circuit plate by communication unit, host computer obtains the bluetooth performance parameter of circuit-under-test plate by bluetooth test cell.
Description
Technical field
The present invention relates to electronic equipment detection fields, and in particular to a kind of Bluetooth test system.
Background technique
Many electronic equipments have function of Bluetooth communication at present, and equipment manufacturer would generally detect bluetooth performance.
It is usually to test equipment complete machine in most of fields, it, can be with if existing in failure by test hair bluetooth component
Device for disassembling replaces component.But equipment higher for some precision, such as the Medical Devices of implantation human body, disassemble complete machine
It is difficult to replace component, is easily damaged component.
Human body implantation type medical device (Implantable Medical Device, IMD) is that one kind is installed on user's body
The medical instrument in internal portion, this equipment inside have the components such as battery, circuit board (being equipped with the elements such as sensor, chip), IMD
It is configured by external program control device, generallys use Blue-tooth communication method with it and carry out data interaction.
In order to ensure the safety and stability of IMD, it usually needs carry out complete detection, existing side to bluetooth communications capability
For case using manually detecting to complete machine, this detection mode efficiency is lower, and includes many components, detection process in complete machine
Specific aim it is to be improved.
Summary of the invention
In view of this, the present invention provides a kind of Bluetooth test systems, comprising:
First shielded box；
Test board is arranged in first shielded box, including circuit board interface, for connecting tested Bluetooth circuit plate；
First antenna is arranged in first shielded box, connects tested Bluetooth circuit plate by the circuit board interface；
Second antenna is arranged in first shielded box, for being wirelessly connected the first antenna；
Bluetooth test cell connects second antenna by coaxial line；
Communication unit connects tested Bluetooth circuit plate by the circuit board interface；
Host computer, for sending test instruction to the tested Bluetooth circuit plate to make it through the first antenna, institute
It states the second antenna and the bluetooth test cell carries out data interaction, the host computer obtains quilt by the bluetooth test cell
The bluetooth performance parameter of slowdown monitoring circuit plate.
Optionally, the test board further include: electrical parameter Acquisition Circuit connects tested bluetooth by the circuit board interface
Circuit board, for acquiring electrical parameter；
The communication unit connects the electrical parameter Acquisition Circuit；
The host computer is also used to obtain the tested bluetooth of the electrical parameter Acquisition Circuit acquisition by the communication unit
The electrical parameter of circuit board.
Optionally, the communication unit include: the third antenna of bluetooth communication circuit and its connection, bluetooth-communication unit and
Its 4th antenna connected, wherein the bluetooth communication circuit is integrated in the test board, the bluetooth-communication unit, third
Antenna and the 4th antenna are except shielded box, and the third antenna and the 4th antenna are for being mutually wirelessly connected.
Optionally, the communication unit includes: isolated serial port circuit, is integrated in the test board, and the host computer is logical
Cross test board described in the isolated serial port circuit connection.
Optionally, the circuit board interface is also used to when detecting the connection of tested Bluetooth circuit plate, and control power supply is institute
State the power supply of isolated serial port circuit.
Optionally, the bluetooth test cell includes attenuator, receives or sends data for adjusting bluetooth test cell
Performance.
Optionally, the electrical parameter includes the broadcast state of tested Bluetooth circuit plate and the average current of connected state.
Optionally, the bluetooth performance parameter includes receiving sensitivity data, the frequency deviation data, function of tested Bluetooth circuit plate
Consume at least one of data, signal strength data, switching performance data.
Optionally, the host computer is used to read the multiple signal strength datas measured in the setting period, and according to described
Multiple signal strength datas calculate a signal strength data.
Optionally, the bluetooth test cell also passes through the communication unit coaxial line and connects the test board, it is described on
Position machine, which is also used to control tested Bluetooth circuit plate by the bluetooth test cell, enters product line test pattern.
The Bluetooth test system provided according to the present invention connects tested Bluetooth circuit plate by test board, utilizes host computer
Test instruction is sent to circuit-under-test plate by communication unit, makes it through the first communication antenna and the second communication antenna and bluetooth
Test cell carries out data interaction, while ensuring measurand and bluetooth test cell using the first shielded box and secondary shielding case
It will not interfere with each other, host computer obtains the performance parameter of circuit-under-test plate by bluetooth test cell, is achieved in bluetooth portion
Part carries out that specific aim is stronger and full automatic detection process, improves bluetooth performance detection efficiency.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the first Bluetooth test system provided by the invention；
Fig. 2 is the structural schematic diagram of second of Bluetooth test system provided by the invention；
Fig. 3 is the structural schematic diagram of the third Bluetooth test system provided by the invention；
Fig. 4 is the structural schematic diagram of the 4th kind of Bluetooth test system provided by the invention；
Fig. 5 is the structural schematic diagram of the 5th kind of Bluetooth test system provided by the invention；
Fig. 6 is the structural schematic diagram of the 6th kind of Bluetooth test system provided by the invention.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " first ", " second ", " third ", " the 4th " are only used for retouching
Purpose is stated, relative importance is not understood to indicate or imply.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, can also can also be two indirectly connected through an intermediary
Connection inside element can be wireless connection, be also possible to wired connection.For the ordinary skill in the art,
The concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
The present invention provides a kind of Bluetooth test system, for testing the performance of Bluetooth communication device.This system is with bluetooth electricity
Road plate is test object, as shown in Figure 1, system includes: the first shielded box 11, secondary shielding case 12, test board 13, first antenna
14, the second antenna 15, bluetooth test cell 16, communication unit 17 and host computer 18.
Test board 13 is arranged in the first shielded box 11.Test board 13 is equipped with a circuit board interface 131, for connecting quilt
Bluetooth circuit plate 10 is surveyed, connection type is to be detachably connected.Circuit board interface 131 is that a golden finger is inserted in the present embodiment
Seat, being tested Bluetooth circuit plate 10 has corresponding finger plug, each on each conductive terminal connection circuit board in plug
Signal output or input source.
First antenna 14 is arranged in the first shielded box 11, connects tested Bluetooth circuit plate 10 by circuit board interface 131.
Tested Bluetooth circuit plate 10 can be transmitted wirelessly or be received test data by first antenna 14.
Second antenna 15 is arranged in the first shielded box 11, for being wirelessly connected first antenna 14.First shielded box, 11 screen
Outer signals interference is covered, so that first antenna 13 and the second antenna 15 carry out wireless induction under noiseless situation.
Bluetooth test cell 16 is arranged in secondary shielding case 12, connects the second antenna 15 by coaxial line.Bluetooth test
Unit 16 can be passed through shielding tank wall by optical fiber or coaxial cable and connect the second antenna 15, with tested Bluetooth circuit plate 10 every
From in the state of, the electromagnetic signal of bluetooth test cell 16 itself will not enter in the first shielded box 11, and can pass through second
Antenna 15 is based on Bluetooth protocol and carries out wireless data interaction.Secondary shielding case 12 can also not be used in other embodiments, only
Retain the purpose that the first shielded box 11 can reach shielding interference.
Communication unit 17 connects tested Bluetooth circuit plate 10 by circuit board interface 131, their connection type can be
Wired connection is also possible to be wirelessly connected.Communication unit 17 can be provided entirely in the first shielded box 11, be also possible to part
Component in shielded box, section components are outside shielded box.There are many optional embodiment, the present invention to adopt for communication unit 17
It takes one of or uses simultaneously a variety of.
Host computer 18 is used to send test instruction to tested Bluetooth circuit plate 10 to make it through first antenna 14, second days
Line 15 and bluetooth test cell 16 carry out data interaction, and host computer 18 obtains circuit-under-test plate 10 by bluetooth test cell 16
Bluetooth performance parameter.
In the present embodiment, host computer 18 is connect with communication unit 17 and bluetooth test cell 16, uses communication unit 17
Test instruction is sent to tested Bluetooth circuit plate 10, and obtains the bluetooth performance parameter of application layer by bluetooth test cell 16,
Such as power consumption data, signal strength data and switching performance data.
Host computer 18 can set data sending terminal for tested Bluetooth circuit plate 10, set bluetooth test cell 16 to
Data receiver.Such as control tested Bluetooth circuit plate 10 and data packet is sent with setting time interval, bluetooth test cell 16 is supervised
These data packets are listened, host computer 18 determines the blue-teeth data sending performance of circuit-under-test plate 10 based on snoop results；
Host computer 18 can set bluetooth test cell 16 to data sending terminal, set tested Bluetooth circuit plate 10 to
Data receiver.Such as control bluetooth test cell 16 sends data packet with setting time interval, is tested Bluetooth circuit plate 10 and supervises
These data packets are listened, host computer 18 determines the Bluetooth data reception performance of circuit-under-test plate 10 based on snoop results.
After the completion of test, host computer 18 can automatically save the information of test result and tested Bluetooth circuit plate 10,
Such as the information such as model, sequence number, MAC Address.
The Bluetooth test system provided according to embodiments of the present invention connects tested Bluetooth circuit plate by test board, utilizes
Host computer sends test instruction to circuit-under-test plate by communication unit, makes it through the first communication antenna and the second communication antenna
Data interaction is carried out with bluetooth test cell, while ensuring that measurand and bluetooth test cell will not mutually be done using shielded box
It disturbs, host computer obtains the performance parameter of circuit-under-test plate by bluetooth test cell, is achieved in and is directed to bluetooth component
Property stronger and full automatic detection process, improve bluetooth performance detection efficiency.
In one embodiment, as shown in Fig. 2, integrating an isolated serial port circuit 132 in test board 13 is used as communication unit
Member, it can be wired host computer 18 and tested Bluetooth circuit plate 10.Host computer 18 can be electric to tested bluetooth by signal wire
Road plate 10 sends test instruction.
Further, power circuit is additionally provided in test board 13, circuit board interface 131 can detect tested bluetooth electricity
When road plate 10 connects, controlling power circuit is the power supply of isolated serial port circuit 132, and remains open power supply when not connected.Thus
It can isolate tested Bluetooth circuit plate 10 and host computer 18, electric current recharge caused by preventing because of electrifying timing sequence.
In another embodiment, communication unit 17 as shown in Figure 3 includes: the of bluetooth communication circuit 171 and its connection
4th antenna 174 of triantennary 172, bluetooth-communication unit 173 and its connection, wherein bluetooth communication circuit 171 is integrated in test
In plate 13, bluetooth-communication unit 173, third antenna 172 and the 4th antenna 174 are used for mutual wireless induction except shielded box.
Test instruction is sent to bluetooth-communication unit 173 by signal wire by host computer 18, and bluetooth-communication unit 173 passes through
The wireless transmission test instruction of 4th antenna 174, bluetooth communication circuit 171 receive test instruction by third antenna 172, are transmitted to
Tested Bluetooth circuit plate 10.It is using the advantage that bluetooth approach transmits test instruction not by the constraint of serial ports line length, so that
Whole system structure is optimized.
In one embodiment, test board 13 as shown in Figure 4 further includes electrical parameter Acquisition Circuit 133, is connect by circuit board
Mouth 131 connects tested Bluetooth circuit plate 10, for acquiring the electrical parameter under its working condition.Electrical parameter is, for example, tested bluetooth electricity
The broadcast state of road plate 10 and the average current of connected state.
Communication unit 17 connects electrical parameter Acquisition Circuit 133.Host computer 18 can obtain electrical parameter by communication unit 17 and adopt
The electrical parameter for the tested Bluetooth circuit plate 10 that collector 133 acquires.
In one embodiment, bluetooth test cell 16 as shown in Figure 5 includes attenuator 161 and bluetooth test module 162,
Attenuator 161 is for adjusting the performance that bluetooth test module 162 receives or sends data.Since the space of the first shielded box 11 has
Limit, so that first antenna 14 and the distance of the second antenna 15 are got too close to, signal when this may cause wireless transmission data is strong
It spends high and influences bluetooth performance test effect.Attenuator 161 can set signal strength within the acceptable range, thus
Host computer 18 is set more accurately to obtain test result.
In one embodiment, Bluetooth test system is in PTM mode (Production test mode, product line test
Mode) under tested.System structure when being tested using this mode is as shown in fig. 6, host computer 18 only tests list with bluetooth
Member 16 connects, and bluetooth test cell 16 connects tested Bluetooth circuit plate 10 by isolated serial port circuit 132 (communication unit).It is upper
Machine 18 is instructed to 16 sending mode of bluetooth test cell, is controlled tested Bluetooth circuit plate 10 by bluetooth test cell 16 and is entered PTM
Mode.
Under PTM mode, host computer 18 can obtain the reception of tested Bluetooth circuit plate 10 by bluetooth test cell 16
The bottoms bluetooth performance parameter such as sensitivity data and frequency deviation data, at the same can also obtain power consumption data, signal strength data and
The bluetooth performance parameter of the application layers such as switching performance data.
It can make tested Bluetooth circuit plate 10 under the premise of not burned firmware again using PTM mode, need to enter
UART (universal asynchronous receiving-transmitting transmitter, Universal Asynchronous Receiver/ are directly exposed when test pattern
Transmitter) hence into direct test pattern mode (DTM, Direct test mode) is arrived, and in normal operation mode
Lower UART may be used as other purposes.
In one embodiment, host computer 18 reads the multiple signal strength datas measured in the setting period, and according to more
A signal strength data calculates a signal strength data.Such as remove maximum value and minimum value in multiple signal strength datas
After be averaged.Thus obtained signal strength data can more accurately embody the signal strength during Bluetooth communication.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of Bluetooth test system characterized by comprising
First shielded box；
Test board is arranged in first shielded box, including circuit board interface, for connecting tested Bluetooth circuit plate；
First antenna is arranged in first shielded box, connects tested Bluetooth circuit plate by the circuit board interface；
Second antenna is arranged in first shielded box, for being wirelessly connected the first antenna；
Bluetooth test cell connects second antenna by coaxial line；
Communication unit connects tested Bluetooth circuit plate by the circuit board interface；
Host computer, for sending test instruction to the tested Bluetooth circuit plate to make it through the first antenna, described the
Two antennas and the bluetooth test cell carry out data interaction, and the host computer obtains tested electricity by the bluetooth test cell
The bluetooth performance parameter of road plate.
2. Bluetooth test system according to claim 1, which is characterized in that the test board further include: electrical parameter acquisition
Circuit connects tested Bluetooth circuit plate by the circuit board interface, for acquiring electrical parameter；
The communication unit connects the electrical parameter Acquisition Circuit；
The host computer is also used to obtain the tested Bluetooth circuit of the electrical parameter Acquisition Circuit acquisition by the communication unit
The electrical parameter of plate.
3. Bluetooth test system according to claim 1 or 2, which is characterized in that the communication unit includes: Bluetooth communication
4th antenna of circuit and its third antenna of connection, bluetooth-communication unit and its connection, wherein the bluetooth communication circuit collection
In test board described in Cheng Yu, the bluetooth-communication unit, third antenna and the 4th antenna are except shielded box, the third antenna
With the 4th antenna for being mutually wirelessly connected.
4. Bluetooth test system according to claim 1 or 2, which is characterized in that the communication unit includes: isolated serial port
Circuit is integrated in the test board, and the host computer passes through test board described in the isolated serial port circuit connection.
5. Bluetooth test system according to claim 4, which is characterized in that the circuit board interface is also used to detecting
When tested Bluetooth circuit plate connection, power supply is controlled as isolated serial port circuit power supply.
6. Bluetooth test system according to claim 1 or 2, which is characterized in that the bluetooth test cell includes decaying
Device receives or sends the performance of data for adjusting bluetooth test cell.
7. Bluetooth test system according to claim 2, which is characterized in that the electrical parameter includes tested Bluetooth circuit plate
Broadcast state and connected state average current.
8. Bluetooth test system according to claim 1 or 2, which is characterized in that the bluetooth performance parameter includes tested
The receiving sensitivity data of Bluetooth circuit plate, frequency deviation data, power consumption data, signal strength data, in switching performance data extremely
It is one few.
9. Bluetooth test system according to claim 8, which is characterized in that the host computer is for reading in the setting period
Multiple signal strength datas of measurement, and a signal strength data is calculated according to the multiple signal strength data.
10. Bluetooth test system according to claim 1 or 2, which is characterized in that the bluetooth test cell also passes through institute
It states communication unit coaxial line and connects the test board, the host computer is also used to control tested indigo plant by the bluetooth test cell
Tooth circuit board enters product line test pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811641692.2A CN109495188A (en) | 2018-12-29 | 2018-12-29 | Bluetooth test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811641692.2A CN109495188A (en) | 2018-12-29 | 2018-12-29 | Bluetooth test system |
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| CN109495188A true CN109495188A (en) | 2019-03-19 |
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| CN201811641692.2A Pending CN109495188A (en) | 2018-12-29 | 2018-12-29 | Bluetooth test system |
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| CN110418358A (en) * | 2019-07-10 | 2019-11-05 | 珠海荣邦智能科技有限公司 | The bluetooth test method and device of circuit board |
| CN110492909A (en) * | 2019-08-30 | 2019-11-22 | 北京智芯微电子科技有限公司 | Wireless isolated form power line carrier communication performance test methods and system |
| CN110913334A (en) * | 2019-11-30 | 2020-03-24 | 航天科技控股集团股份有限公司 | Method for detecting effective connection distance of vehicle-mounted Bluetooth product and method for detecting product percent of pass |
| CN110942616A (en) * | 2019-10-28 | 2020-03-31 | 深圳市亿联智能有限公司 | Bluetooth remote controller test method and system |
| CN111865449A (en) * | 2020-07-20 | 2020-10-30 | 深圳市思讯通信技术有限公司 | System and method for testing omnidirectional connection performance of Bluetooth audio equipment |
| CN112165705A (en) * | 2020-09-24 | 2021-01-01 | 深圳市拓普泰克电子有限公司 | Bluetooth circuit jointed board testing device and method, readable storage medium and system |
| CN112351335A (en) * | 2020-06-17 | 2021-02-09 | 青岛智动精工电子有限公司 | Wireless communication television |
| CN115051732A (en) * | 2022-05-09 | 2022-09-13 | 立讯电子科技（昆山）有限公司 | Wireless communication module and electronic device including the same |
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| CN110492909A (en) * | 2019-08-30 | 2019-11-22 | 北京智芯微电子科技有限公司 | Wireless isolated form power line carrier communication performance test methods and system |
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| CN112351335B (en) * | 2020-06-17 | 2023-05-09 | 青岛智动精工电子有限公司 | Wireless communication television |
| CN111865449A (en) * | 2020-07-20 | 2020-10-30 | 深圳市思讯通信技术有限公司 | System and method for testing omnidirectional connection performance of Bluetooth audio equipment |
| CN111865449B (en) * | 2020-07-20 | 2023-03-31 | 深圳市思讯通信技术有限公司 | Omnidirectional connection performance test method for Bluetooth audio equipment |
| CN112165705A (en) * | 2020-09-24 | 2021-01-01 | 深圳市拓普泰克电子有限公司 | Bluetooth circuit jointed board testing device and method, readable storage medium and system |
| CN115051732A (en) * | 2022-05-09 | 2022-09-13 | 立讯电子科技（昆山）有限公司 | Wireless communication module and electronic device including the same |
| CN115051732B (en) * | 2022-05-09 | 2023-11-28 | 立讯电子科技（昆山）有限公司 | Wireless communication module and electronic device comprising same |
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Application publication date: 20190319 |