CN103731219B - A kind of bluetooth end properties method of testing and system - Google Patents
A kind of bluetooth end properties method of testing and system Download PDFInfo
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- CN103731219B CN103731219B CN201310752509.7A CN201310752509A CN103731219B CN 103731219 B CN103731219 B CN 103731219B CN 201310752509 A CN201310752509 A CN 201310752509A CN 103731219 B CN103731219 B CN 103731219B
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Abstract
The invention discloses a kind of bluetooth end properties detection method and system, the method includes: a control unit is connected with bluetooth finished product to be measured and a Bluetooth adapter respectively；Described control unit controls described bluetooth finished product to be measured and is connected with described Bluetooth adapter, and after described bluetooth finished product to be measured is connected with the foundation of described Bluetooth adapter, controls described bluetooth finished product to be measured and send packet to described Bluetooth adapter；Described Bluetooth adapter receives described packet the signal intensity according to the packet detection correspondence received；Described control unit signal intensity according to described Bluetooth adapter confirms this bluetooth end properties to be measured.Technical scheme provided by the invention can solve the existing mode for the test of bluetooth finished product to be existed and measures the shortcoming that expensive equipment, test process be loaded down with trivial details and test process is wasted time and energy.
Description
Technical field
The present invention relates to technical field of electronic products, particularly relate to a kind of bluetooth end properties method of testing and system.
Background technology
Bluetooth technology is widely used at present in consumer electronics product.And emerging along with low-power consumption Bluetooth technology, Bluetooth technology will be applied in field widely.For the intensity of transmission signal is carried out effective monitoring, SIG introduces the concept of RSSI (ReceivedSignalStrengthIndication), and current each Bluetooth chip provides commercial city to provide the API. that can obtain link RSSI in the specification following SIG
At present for the production test of blue tooth products, the test of specialty generally concentrates on greenware condition and carries out, and now product is in PCBA state, has proprietary RF test point can connect with the bluetooth test equipment of specialty.
But, for bluetooth finished product, owing to bluetooth component is assembled in structural member, most producers test only by bluetooth connection, this method of testing can only test whether bluetooth can normally connect, and can not the performance of the antenna of bluetooth, the power of antenna and the intensity of antenna transmitting signal be tested.And then cannot confirm whether bluetooth performance is impacted in the assembling process of bluetooth cost.Further, during connecting test, usual bluetooth finished product can be placed into the place near test device, and therefore, such connecting test can not get the relation between the signal of bluetooth finished product and distance.
Additionally, frequency spectrum Bluetooth antenna sent also by spectrum analyzer is analyzed, although the performance of antenna can be tested by this mode, however it is necessary that manual operation.Therefore existing and measure expensive equipment, test process is loaded down with trivial details, the problem wasted time and energy.
In sum, the existing mode for the test of bluetooth finished product exists and measures the shortcoming that expensive equipment, test process be loaded down with trivial details and test process is wasted time and energy.
Summary of the invention
The invention provides a kind of bluetooth end properties method of testing and system, technical scheme provided by the invention can solve the existing mode for the test of bluetooth finished product and there is the shortcoming that measurement expensive equipment, test process be loaded down with trivial details and test process is wasted time and energy.
The invention discloses a kind of bluetooth end properties detection method, the method includes:
One control unit is connected with bluetooth finished product to be measured and a Bluetooth adapter respectively；
Described control unit controls described bluetooth finished product to be measured and is connected with described Bluetooth adapter, and after described bluetooth finished product to be measured is connected with the foundation of described Bluetooth adapter, controls described bluetooth finished product to be measured and send packet to described Bluetooth adapter；
Described Bluetooth adapter receives described packet the signal intensity according to the packet detection correspondence received；
Signal intensity according to described Bluetooth adapter confirms this bluetooth end properties to be measured.
In the above-mentioned methods, the method farther includes:
Dispose the first shielded box, secondary shielding case and antenna；
Described Bluetooth adapter is arranged in the first shielded box, described bluetooth finished product to be measured and antenna are arranged in secondary shielding case；It is connected by RF radio frequency line between described Bluetooth adapter with described antenna.
In the above-mentioned methods, it is connected by RF radio frequency line between described Bluetooth adapter with described antenna and farther includes:
It is provided with attenuator between described Bluetooth adapter and described antenna.
In the above-mentioned methods, described Bluetooth adapter includes according to the signal intensity that the packet detection received is corresponding:
Obtain corresponding RSSI value according to the packet received, determine the signal intensity of correspondence according to the value of described RSSI.
The invention discloses a kind of bluetooth end properties detection system, this system is used for detecting bluetooth end properties, and this system includes: control unit, Bluetooth adapter；
Described control unit connects bluetooth finished product to be measured and Bluetooth adapter；
Described control unit, is used for controlling bluetooth finished product to be measured and sets up bluetooth with Bluetooth adapter and be connected, and after the success of bluetooth connection establishment, controls described bluetooth finished product to be measured and is connected by the bluetooth set up and send packet to described Bluetooth adapter；
Described Bluetooth adapter, for receiving the packet that bluetooth finished product to be measured sends, detects described bluetooth end properties to be measured according to described packet.
In said system, this system also includes: antenna, the first shielded box and secondary shielding case,；
Described Bluetooth adapter is arranged in the first shielded box, and described bluetooth finished product to be measured and antenna are arranged in secondary shielding case；It is connected by RF radio frequency line between described Bluetooth adapter with described antenna.
In said system, this system farther includes: attenuator；
Described attenuator is arranged between described Bluetooth adapter and described antenna.
In said system, described Bluetooth adapter, for receiving the packet that bluetooth finished product to be measured sends, obtain corresponding RSSI value according to the packet of described reception, determine the signal intensity of described bluetooth finished product to be measured according to RSSI value this described.
In said system, described antenna is fixed in described secondary shielding case,
For same kind of bluetooth finished product, the relative position between described antenna with bluetooth finished product to be measured is identical.
In sum, in sum, technical scheme provided by the invention, the regulation according to bluetooth SIG, by control unit and Bluetooth adapter, the signal intensity of bluetooth finished product to be measured is monitored, and then realizes bluetooth end properties to be measured is tested.Additionally, in the process that bluetooth finished product to be measured is tested, it is not necessary to the equipment of extra complicated specialty a, it is only necessary to control unit, and a Bluetooth adapter, and the process tested is simple, it is not necessary to complicated manual operation.
Accompanying drawing explanation
Fig. 1 is the flow chart of the bluetooth end properties detection method in an embodiment of the present invention；
Fig. 2 is the detail flowchart of the bluetooth end properties detection method in an embodiment of the present invention；
Fig. 3 is the structural representation of the bluetooth end properties detection system in an embodiment of the present invention；
Fig. 4 is the detailed construction schematic diagram of the bluetooth end properties test system in an embodiment of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Fig. 1 is the flow chart of the bluetooth end properties detection method in an embodiment of the present invention.As described in Figure 1, the method comprises the steps.
Step 101, a control unit is connected with bluetooth finished product to be measured and a Bluetooth adapter respectively.
Step 102, described control unit controls described bluetooth finished product to be measured and is connected with described Bluetooth adapter, and after described bluetooth finished product to be measured is connected with the foundation of described Bluetooth adapter, controls described bluetooth finished product to be measured and send packet to described Bluetooth adapter；
Step 103, described Bluetooth adapter receives described packet the signal intensity according to the packet detection correspondence received.
Step 104, signal intensity according to described Bluetooth adapter confirms this bluetooth end properties to be measured.
From the above, in the present invention, by using control unit control bluetooth finished product to be measured and Bluetooth adapter to be attached, and after connection, control bluetooth finished product to be measured and send packet to Bluetooth adapter so that the packet received, after receiving the packet of correspondence, is analyzed by Bluetooth adapter, calculate corresponding RSSI value, realize bluetooth end properties to be measured is tested according to the value of the RSSI got.
In a kind of specific embodiment of the present invention, bluetooth finished product is carried out that performance test specifically includes in following test one or more: output is tested, and power controls test, modulation spectrum is tested, original carrier tolerance limit (ICFT) is tested, and carrier frequency drift is tested, sensitivity test.
In a kind of preferred embodiment of the present invention, in order to prevent the wireless signal of extraneous wireless signal particularly 2.4GHZ frequency range in the present invention, bluetooth end properties to be measured test being impacted, in the present embodiment, the first shielded box, secondary shielding case and antenna are disposed；Bluetooth adapter and bluetooth finished product to be measured are separately positioned in different shielded boxes.Specifically, Bluetooth adapter is arranged in the first shielded box, bluetooth finished product to be measured is arranged in secondary shielding case, antenna is arranged in secondary shielding case, is connected by RF radio frequency line between Bluetooth adapter with antenna.Owing to antenna and bluetooth finished product to be measured are placed in same shielded box, the packet of bluetooth finished product to be measured transmission can be lossless as far as possible by antenna transmission to Bluetooth adapter.Wherein, the 2.4Ghz wireless signal realized to external world by the first shielded box arranged and secondary shielding case is shielded, it is prevented that this bluetooth end properties to be measured is tested the interference caused by extraneous wireless signal.Have an advantage in that, it is possible to make bluetooth end properties test result to be measured more accurate.
In another embodiment of the invention, so that the result of bluetooth end properties test is more accurate, it is connected by RF radio frequency line between Bluetooth adapter with antenna and farther includes: between described Bluetooth adapter and described antenna, be provided with attenuator.Specifically, Bluetooth adapter is connected with attenuator by RF radio frequency line, attenuator is connected with antenna again through RF radio frequency line.Owing to size and the specific range of attenuator are equivalent.In the present invention, by arranging attenuator simulation bluetooth finished product to be measured and Bluetooth adapter use environment in a distance.The result making test more conforms to practical service environment, and then makes the result to the test of bluetooth finished product to be measured is obtained more accurate.
In an embodiment of the present invention, control unit can be PC, can also be the test equipment being integrated with and processing chip and display, the test module that can also be mainly made up of the display that the testing host and testing host that are provided with process chip are external, testing host can provide the interface communicated respectively with Bluetooth adapter, bluetooth finished product to be measured and display.Processing chip can be NVIDIATegra2 dual core processor, it is also possible to be GeForceGPU.
Connect Bluetooth adapter specifically, be connected with control unit by data wire by Bluetooth adapter.Wherein, data wire can be USB data line or RF rf data line.Same, connect bluetooth finished product to be measured specifically, be connected with control unit by data wire by bluetooth finished product.Wherein, data wire can be USB data line or RF rf data line.
Fig. 2 is the detail flowchart of the bluetooth end properties detection method in an embodiment of the present invention.Described in Fig. 2, the method comprises the steps.
Step 201, is connected Bluetooth adapter with control unit, is placed into by Bluetooth adapter in the first shielded box；
In step 201, it is attached by USB data line between Bluetooth adapter and control unit.Additionally, for the bluetooth finished product to be measured testing huge amount more efficiently, it is advantageous to, the first shielded box is fixed on test fixture, Bluetooth adapter is fixed in the first shielded box and is fixed on test fixture.
Step 202, is attached bluetooth finished product to be measured and control unit.
In step 202., it is advantageous to, bluetooth finished product to be measured is fixed on the ad-hoc location in the secondary shielding case on test fixture.Wherein, it is connected by USB data line between bluetooth finished product to be measured and control unit.Being further fixed on antenna in secondary shielding case, this antenna is connected with Bluetooth adapter by RF radio frequency line.
Step 203, control unit controls bluetooth finished product to be measured and enters findable connection mode.Wherein, control unit can send signal by the antenna controlling to be connected with bluetooth finished product to be measured and make the bluetooth finished product to be measured findable connection mode of entrance here.
Step 204, sets up the connection between Bluetooth adapter and bluetooth finished product to be measured.
In step 204, after bluetooth finished product to be measured enters findable connection mode, Bluetooth adapter just can be set up bluetooth with bluetooth finished product to be measured and be connected.
Step 205, control unit controls bluetooth finished product to be measured and sends packet to Bluetooth adapter.
In step 205, for the bluetooth finished product of same batch or same model, control the packet that bluetooth finished product to be measured sends to Bluetooth adapter identical.
Step 206, Bluetooth adapter receives the packet that bluetooth finished product to be measured sends, and obtains RSSI value according to the packet received.
In step 206, the packet received, after receiving the packet that bluetooth finished product to be measured sends, is analyzed by Bluetooth adapter by the api interface being arranged on Bluetooth adapter, obtains corresponding RSSI value.
Step 207, the RSSI value according to obtaining determines bluetooth end properties to be measured.
In step 207, calculate corresponding RSSI value according to the packet received, calculate corresponding signal intensity according to the value of described RSSI.And then according to the RSSI value got, it is judged that the output of bluetooth finished product to be measured, power controls, modulation spectrum, original carrier tolerance limit (ICFT), carrier frequency drift, sensitivity etc..
From the foregoing, in the present invention, the regulation according to bluetooth SIG, by control unit and Bluetooth adapter, the signal intensity of bluetooth finished product to be measured is monitored.And then realize bluetooth end properties to be measured is tested.Additionally, pass through to be arranged between Bluetooth adapter and described antenna, RF radio frequency line is provided with attenuator, it is achieved the simulation of the practical service environment between bluetooth finished product to be measured and Bluetooth adapter.
In the process that bluetooth finished product to be measured is tested, it is not necessary to the equipment of extra complicated specialty a, it is only necessary to control unit, and a Bluetooth adapter.And the process tested is simple, it is not necessary to complicated manual operation, there is method of testing simple, it is easy to the advantage of operation.
Also disclosing a kind of bluetooth end properties detection system in the present invention, this system is used for detecting bluetooth end properties.Fig. 3 is the structural representation of the bluetooth end properties detection system in an embodiment of the present invention.Shown in Figure 3, this system includes: control unit 301, Bluetooth adapter 302.
Control unit 301 connects bluetooth finished product 303 to be measured and Bluetooth adapter 302 connects.In a kind of specific embodiment of the present invention, specifically, be connected by USB data line between control unit 301 with bluetooth finished product to be measured and Bluetooth adapter.
Control unit 301, set up bluetooth with Bluetooth adapter 302 be connected for controlling bluetooth finished product 303 to be measured, and after the bluetooth connection establishment success between bluetooth finished product 303 to be measured and Bluetooth adapter 302, control bluetooth finished product 303 to be measured and send packet by the bluetooth connection set up to Bluetooth adapter 302.
Bluetooth adapter 302, for receiving the packet that bluetooth finished product 302 to be measured sends, detects the performance of bluetooth finished product 303 to be measured according to described packet.
In an embodiment of the present invention, adaptive 302 devices of bluetooth, by receiving the packet that bluetooth finished product 303 to be measured sends, calculate corresponding RSSI value according to the packet of described reception, determine the signal intensity of bluetooth finished product to be measured according to RSSI value this described.
It is also preferred that the left in an embodiment of the present invention, so that the detection of bluetooth end properties to be measured is more accurate, this system also includes: antenna the 304, first shielded box 306 and secondary shielding case 305；
Bluetooth adapter 302 is arranged in the first shielded box 306, and bluetooth finished product 303 to be measured is arranged in secondary shielding case 305；Antenna 304 is arranged in secondary shielding case 305, is connected by RF radio frequency line between Bluetooth adapter 302 with antenna 304.
In an embodiment of the present invention, so that the detection of bluetooth end properties to be measured is more accurate, Fig. 4 is the detailed construction schematic diagram of the bluetooth end properties test system in an embodiment of the present invention.Shown in Figure 4, this system farther includes: attenuator 307；Attenuator 307 is arranged between Bluetooth adapter 302 and antenna 304.
Specifically, attenuator 307 is arranged on the RF radio frequency line connecting Bluetooth adapter 302 and antenna 304.The signal that antenna 304 receives is being received by Bluetooth adapter 302 after first passing through attenuator 307 decay.
In the specific operation process of the present invention, this system is arranged on corresponding test fixture.Wherein the first shielded box 306 and secondary shielding case 305 are separately fixed on test fixture.Bluetooth adapter 302 is fixed in the first shielded box 306.The platform for fixing bluetooth finished product to be measured, being fixed in secondary shielding case 305 of this outside antenna 304 it is provided with in secondary shielding case 305.In the process that bluetooth finished product to be measured is tested, for same kind of bluetooth finished product, for instance same batch, the bluetooth finished product of same model.It is identical that relative position between antenna 304 with bluetooth finished product to be measured is set.Specifically, arrange antenna 304 towards and angle all identical.
In sum, technical scheme provided by the invention, the regulation according to bluetooth SIG, by control unit and Bluetooth adapter, the signal intensity of bluetooth finished product to be measured is monitored.And then realize bluetooth end properties to be measured is tested.Additionally, in the process that bluetooth finished product to be measured is tested, it is not necessary to the equipment of extra complicated specialty a, it is only necessary to control unit, and a Bluetooth adapter.And the process tested is simple, it is not necessary to complicated manual operation, can realize semi-automation test, and test operation is completed by being arranged on control unit, has method of testing simple, it is easy to the advantage of operation.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention.All make within the spirit and principles in the present invention any amendment, equivalent replacement, improvement etc., be all contained in protection scope of the present invention.
Claims (7)
1. a bluetooth end properties detection method, it is characterised in that the method includes:
One control unit is connected with bluetooth finished product to be measured and a Bluetooth adapter respectively；
Described control unit controls described bluetooth finished product to be measured and is connected with described Bluetooth adapter, and after described bluetooth finished product to be measured is connected with the foundation of described Bluetooth adapter, controls described bluetooth finished product to be measured and send packet to described Bluetooth adapter；
Described Bluetooth adapter receives described packet the signal intensity according to the packet detection correspondence received；
Described control unit signal intensity according to described Bluetooth adapter confirms this bluetooth end properties to be measured；
The method farther includes:
Dispose the first shielded box, secondary shielding case and antenna；
Described Bluetooth adapter is arranged in the first shielded box, described bluetooth finished product to be measured and antenna are arranged in secondary shielding case；
Wherein, it is connected by RF radio frequency line between described Bluetooth adapter with described antenna.
2. method according to claim 1, it is characterised in that be connected by RF radio frequency line between described Bluetooth adapter with described antenna and farther include:
It is provided with attenuator between described Bluetooth adapter and described antenna.
3. method according to any one of claim 1 to 2, it is characterised in that described Bluetooth adapter includes according to the signal intensity that the packet detection received is corresponding:
Obtain corresponding RSSI value according to the packet received, determine the signal intensity of correspondence according to the value of described RSSI.
4. a bluetooth end properties detection system, it is characterised in that this system is used for detecting bluetooth end properties, and this system includes: control unit, Bluetooth adapter；
Described control unit connects bluetooth finished product to be measured and Bluetooth adapter respectively；
Described control unit, is used for controlling bluetooth finished product to be measured and sets up bluetooth with Bluetooth adapter and be connected, and after the success of bluetooth connection establishment, controls described bluetooth finished product to be measured and is connected by the bluetooth set up and send packet to described Bluetooth adapter；
Described Bluetooth adapter, for receiving the packet that bluetooth finished product to be measured sends, detects described bluetooth end properties to be measured according to described packet；
This system also includes: antenna, the first shielded box and secondary shielding case；
Described Bluetooth adapter is arranged in the first shielded box, and described bluetooth finished product to be measured and antenna are arranged in secondary shielding case；It is connected by RF radio frequency line between described Bluetooth adapter with described antenna.
5. system according to claim 4, it is characterised in that this system farther includes: attenuator；
Described attenuator is arranged between described Bluetooth adapter and described antenna.
6. system according to claim 4, it is characterised in that
Described Bluetooth adapter, for receiving the packet that bluetooth finished product to be measured sends, obtains corresponding RSSI value according to the packet of described reception, determines the signal intensity of described bluetooth finished product to be measured according to RSSI value this described；This bluetooth end properties to be measured is confirmed according to described signal intensity.
7. system according to claim 4 or 5, it is characterised in that
Described antenna is fixed in described secondary shielding case,
For same kind of bluetooth finished product, the relative position between described antenna with bluetooth finished product to be measured is identical.
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| CN103731219B true CN103731219B (en) | 2016-07-06 |
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| CN110913334B (en) * | 2019-11-30 | 2021-01-29 | 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 |
| 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 |
| CN113162702A (en) * | 2021-05-24 | 2021-07-23 | 展讯半导体(成都)有限公司 | Test system and test method for Bluetooth saw test under multiple scenes |
| CN114609618A (en) * | 2022-02-09 | 2022-06-10 | 摩拜(北京)信息技术有限公司 | Method and device for determining distance between vehicle and Bluetooth spike and readable storage medium |
| CN114598401B (en) * | 2022-05-09 | 2022-09-27 | 荣耀终端有限公司 | Radio frequency test method, Bluetooth device, electronic device and radio frequency test system |
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