CN108696323A - Automobile-used bluetooth output power test method and system - Google Patents
Automobile-used bluetooth output power test method and system Download PDFInfo
- Publication number
- CN108696323A CN108696323A CN201810524859.0A CN201810524859A CN108696323A CN 108696323 A CN108696323 A CN 108696323A CN 201810524859 A CN201810524859 A CN 201810524859A CN 108696323 A CN108696323 A CN 108696323A
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- Prior art keywords
- bluetooth
- output power
- test
- host
- power
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/15—Performance testing
- H04B17/17—Detection of non-compliance or faulty performance, e.g. response deviations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
The invention discloses a kind of automobile-used bluetooth output power test methods and system, wherein test method to include:The signal transmission distance of bluetooth test device and bluetooth host is set;On preset test frequency point, the output power of bluetooth host is obtained;According to the relationship of the output power and preset standard value, the output power test result of bluetooth host is determined.The present invention passes through the test to bluetooth host output power, profound level excavates the potential problems of Bluetooth RF signal, failure is enclosed in the primary stage, a large amount of quality problems are avoided to wander into batch production, promote the quality of bluetooth final products, thus the present invention such as not only uses manpower and material resources sparingly at the resources costs, but also can also effectively improve satisfaction of the user to product.
Description
Technical field
The present invention relates to automobile Bluetooth testing field more particularly to a kind of automobile-used bluetooth output power test method and it is
System.
Background technology
In order to eliminate automobile-used blue tooth products, there are potential quality problems, bluetooth host to need in development phase after volume production
It is tested repeatedly.
And the existing test method for automobile Bluetooth host, can only simple test bluetooth basic function, such as it is blue
Tooth call test, Bluetooth signal distance test, Bluetooth signal on off test etc. can not further test the potential matter of radiofrequency signal
Amount problem causes producing link or even after sale stage in batches, exposes the latent defect of a large amount of automobile Bluetooth products, not only unrestrained
Take the resources costs such as manpower and materials, and reduces the satisfaction of user.
Invention content
The object of the present invention is to provide a kind of automobile-used bluetooth output power test method and systems, are not limited to test bluetooth
The basic function of host, but from the output power angle of Bluetooth RF signal, profound level evaluates and tests the potential quality of bluetooth host
Problem.
The technical solution adopted by the present invention is as follows:
A kind of automobile-used bluetooth output power test method, including:
The signal transmission distance of bluetooth test device and bluetooth host is set;
On preset test frequency point, the output power of bluetooth host is obtained;
According to the relationship of the output power and preset standard value, the output power test result of bluetooth host is determined.
Optionally, described on preset test frequency point, the output power for obtaining bluetooth host includes:
Respectively in preset basic, normal, high three tests frequency point, the radiofrequency signal of bluetooth host is received;
Least work is respectively obtained according to the performance number of the radiofrequency signal, and corresponding to basic, normal, high three test frequency points
Rate, mean power, peak power.
Optionally, the relationship according to the output power and preset standard value, determines the output work of bluetooth host
Rate test result includes:
It is respectively compared the relationship of minimum power, mean power and peak power and preset standard value;
Determine that bluetooth host tests the output power test result of frequency point at three.
Optionally, the signal transmission distance of the setting bluetooth test device and bluetooth host includes:
Power is received by setting, simulates the signal transmission distance of bluetooth test device and bluetooth host.
Optionally, the automobile-used bluetooth output power test method further includes:
By adjusting the reception power, change the signal transmission distance of bluetooth test device and bluetooth host;
Under different signal transmission distances, the output power of bluetooth host is tested;
The output power for obtaining bluetooth host corresponds to the decay degree of different signal transmission distances.
A kind of automobile-used bluetooth output power test system, including:
Bluetooth host, shielded box and bluetooth test device;
The bluetooth host is arranged in the inside of the shielded box, and is connect with the bluetooth test device;
The bluetooth test device includes:
It is described apart from setup module to be used to that the bluetooth test device and the bluetooth host to be arranged apart from setup module
Signal transmission distance;
Output power acquisition module, the output power acquisition module is used in preset test frequency point, described in acquisition
The output power of bluetooth host;
Test result determining module, the test result determining module are used for according to the output power and preset standard
The relationship of value determines the output power test result of the bluetooth host.
Optionally, described to include apart from setup module:
Simulated range unit, the simulated range unit are used for the reception work(by the way that the output power acquisition module is arranged
Rate simulates the signal transmission distance of the bluetooth test device and the bluetooth host.
Optionally, the simulated range unit is additionally operable to according to different signal transmission distances, and will receive power divider is
Multiple corresponding grades.
Optionally, the automobile-used bluetooth output power test system further includes:It is connected to the bluetooth host and the indigo plant
Bluetooth signal transceiver between tooth test device;
The Bluetooth signal transceiver is arranged in the inside of the shielded box, the radio frequency for being sent out to the bluetooth host
Signal carries out signal processing, and radiofrequency signal is forwarded to the bluetooth test device by treated.
Optionally, the automobile-used bluetooth output power test system further includes:Be connected to the Bluetooth signal transceiver with
Bluetooth signal power amplifier between the bluetooth test device;
The Bluetooth signal power amplifier is arranged in the inside of the shielded box, for the Bluetooth signal transceiver to institute
The radiofrequency signal for stating the forwarding of bluetooth test device is amplified processing.
The present invention excavates the potential problems of Bluetooth RF signal by the test to bluetooth host output power, profound level,
Failure is enclosed in the primary stage, a large amount of quality problems is avoided to wander into batch production, promotes the matter of bluetooth final products
Amount, thus the present invention such as not only uses manpower and material resources sparingly at the resources costs, but also satisfaction of the user to product can also be effectively improved.
Description of the drawings
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step description, wherein:
Fig. 1 is the flow chart of the embodiment of automobile-used bluetooth output power test method provided by the invention;
Fig. 2 is the flow chart of another embodiment of automobile-used bluetooth output power test method provided by the invention;
Fig. 3 is the schematic diagram for the embodiment that automobile-used bluetooth output power provided by the invention tests system;
Fig. 4 is the schematic diagram for another embodiment that automobile-used bluetooth output power provided by the invention tests system.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not construed as limiting the claims.
The present invention provides a kind of embodiment of automobile-used bluetooth output power test method, as shown in Figure 1, this method can be with
Include the following steps:
Step S1, the signal transmission distance of bluetooth test device and bluetooth host is set;
Step S2, on preset test frequency point, the output power of bluetooth host is obtained;
Step S3, according to the relationship of the output power and preset standard value, determine that the output power of bluetooth host is surveyed
Test result.
The present invention excavates the potential problems of Bluetooth RF signal by the test to bluetooth host output power, profound level,
Failure is enclosed in the primary stage, a large amount of quality problems is avoided to wander into batch production, promotes the matter of bluetooth final products
Amount, thus the present invention such as not only uses manpower and material resources sparingly at the resources costs, but also satisfaction of the user to product can also be effectively improved.
Based on the above embodiment, what can be illustrated is in practical operation, and aforementioned Bluetooth test device can be
Refer to the test equipment or host computer for receiving Bluetooth signal;Bluetooth host refers to bluetooth equipment to be measured;In addition, preset
It tests on frequency point, the output power for obtaining bluetooth host can refer to being received respectively in preset basic, normal, high three tests frequency point
The radiofrequency signal of bluetooth host;Further according to the performance number of the radiofrequency signal, and corresponding to basic, normal, high three test frequency points point
Minimum power, mean power and peak power are not obtained.
Further, the aforementioned relationship according to the output power and preset standard value, determines the output of bluetooth host
Power measurements may include then:It is respectively compared the pass of minimum power, mean power and peak power and preset standard value
System determines that bluetooth host tests at three the output power test result of frequency point with this.The range of wherein standard value is predeterminable to be
18dBm~23dBm can be considered that the bluetooth host is unqualified if having one group of data to exceed the standard value.
And about the signal transmission distance of setting bluetooth test device and bluetooth host, the present invention provides another preferred
Scheme, as shown in Fig. 2, the automobile-used bluetooth output power test method includes:
Step S10, power is received by setting, simulates the signal transmission distance of bluetooth test device and bluetooth host;
Step S20, on preset test frequency point, the output power of bluetooth host is obtained;
Step S30, according to the relationship of the output power and preset standard value, determine that the output power of bluetooth host is surveyed
Test result;
Step S40, the reception power is adjusted, the signal transmission distance of bluetooth test device and bluetooth host is changed;
Step S50, under different signal transmission distances, the output power of bluetooth host is tested, to be somebody's turn to do
The output power of bluetooth host corresponds to the decay degree of different signal transmission distances.
It should be noted that setting can be received to power divider in practical operation for three grades, such as the correspondence of grade 1 connects
It receives power and is less than -6dBm, to simulate 10 meters of Bluetooth signal transmission distance;Grade 2, which corresponds to, receives power in -6dBm~4dBm
Between, to simulate 5~10 meters of Bluetooth signal transmission distance;Then the corresponding power that receives is more than 4dBm to grade 3, to simulate 5
The Bluetooth signal transmission distance of rice.And abovementioned steps 50 can refer to then under conditions of different Bluetooth signal transmission distance,
Step S20 is repeated, to obtain the output power decay degree of bluetooth host.
Corresponding to above-mentioned test method, the invention also provides a kind of automobile-used bluetooth output powers to test the implementation of system
Example, as shown in figure 3, the system is mainly made of bluetooth host, shielded box and bluetooth test device.Wherein, shielded box is used for
Prevent outer signals from interfering Bluetooth signal, so as to promote measuring accuracy;And bluetooth host is to refer to send out Bluetooth RF
The equipment of signal, that is to say Devices to test.Specifically, the bluetooth host is arranged in the inside of the shielded box, and with institute
The connection of bluetooth test device is stated, the bluetooth test device may include then for the bluetooth test device and the indigo plant to be arranged
The signal transmission distance of tooth host apart from setup module, in preset test frequency point, obtaining the bluetooth host
The output power acquisition module of output power, and for the relationship according to the output power and preset standard value, determine
The test result determining module of the output power test result of the bluetooth host.It is noted that in practical operation, it is aforementioned
Can also include simulating the bluetooth for the reception power by the way that the output power acquisition module is arranged apart from setup module
The simulated range unit of test device and the signal transmission distance of the bluetooth host, and the simulated range unit can also be used
According to different signal transmission distances, will receive power divider is multiple corresponding grades.The working method of the present embodiment and
Setting principle has been set forth above, and details are not described herein again.
Based on the system embodiment, the present invention also provides a kind of preferable embodiments, as shown in figure 4, the automobile-used indigo plant
Tooth output power test system can also include the bluetooth letter being connected between the bluetooth host and the bluetooth test device
Number transceiver, the Bluetooth signal transceiver are arranged in the inside of the shielded box, are penetrated for what is sent out to the bluetooth host
Frequency signal carries out signal processing, and radiofrequency signal is forwarded to the bluetooth test device by treated.Further such as Fig. 4 institutes
Show, the automobile-used bluetooth output power test system can also include being connected to the Bluetooth signal transceiver to survey with the bluetooth
Trial assembly set between Bluetooth signal power amplifier, the Bluetooth signal power amplifier is similarly disposed at the inside of the shielded box, is used for
The radiofrequency signal forwarded to the bluetooth test device to the Bluetooth signal transceiver is amplified processing.
Certainly, it will be appreciated by persons skilled in the art that the power supply source of bluetooth host may be used programmable
Programmable power supply, convenient for according to requiring to export corresponding voltage and current;Furthermore aforementioned Bluetooth test device is in specific implementation
The host computer of built-in above-mentioned function module may be used, meanwhile, host computer may be equipped with corresponding display module and network
The subtests equipment such as analyzer or spectrum analyzer not limits this present invention.
Be described in detail based on the embodiments shown in the drawings the present invention structure, feature and effect, but more than
Described is only presently preferred embodiments of the present invention, needs to explain, and the technology involved by above-described embodiment and its preferred embodiment is special
Sign, those skilled in the art can be under the premise of not departing from, not changing the mentality of designing and technique effect of the present invention, rationally
Ground combination collocation is at a variety of equivalent schemes;Therefore, the present invention is every according to the present invention's not to limit practical range shown in drawing
Change made by conception, or be revised as the equivalent embodiment of equivalent variations, does not go beyond the spirit of the description and the drawings
When, it should all be within the scope of the present invention.
Claims (10)
1. a kind of automobile-used bluetooth output power test method, which is characterized in that including:
The signal transmission distance of bluetooth test device and bluetooth host is set;
On preset test frequency point, the output power of bluetooth host is obtained;
According to the relationship of the output power and preset standard value, the output power test result of bluetooth host is determined.
2. automobile-used bluetooth output power test method according to claim 1, which is characterized in that described in preset test
On frequency point, the output power for obtaining bluetooth host includes:
Respectively in preset basic, normal, high three tests frequency point, the radiofrequency signal of bluetooth host is received;
According to the performance number of the radiofrequency signal, and corresponds to basic, normal, high three test frequency points and respectively obtain minimum power, put down
Equal power, peak power.
3. automobile-used bluetooth output power test method according to claim 2, which is characterized in that described according to the output
The relationship of power and preset standard value determines that the output power test result of bluetooth host includes:
It is respectively compared the relationship of minimum power, mean power and peak power and preset standard value;
Determine that bluetooth host tests the output power test result of frequency point at three.
4. automobile-used bluetooth output power test method according to claim 1, which is characterized in that the setting bluetooth test
The signal transmission distance of device and bluetooth host includes:
By the way that the reception power of bluetooth test device is arranged, the signal transmission distance of bluetooth test device and bluetooth host is simulated.
5. automobile-used bluetooth output power test method according to claim 4, which is characterized in that the automobile-used bluetooth output
Power testing method further includes:
By adjusting the reception power, change the signal transmission distance of bluetooth test device and bluetooth host;
Under different signal transmission distances, the output power of bluetooth host is tested;
The output power for obtaining bluetooth host corresponds to the decay degree of different signal transmission distances.
6. a kind of automobile-used bluetooth output power tests system, which is characterized in that including:
Bluetooth host, shielded box and bluetooth test device;
The bluetooth host is arranged in the inside of the shielded box, and is connect with the bluetooth test device;
The bluetooth test device includes:
Apart from setup module, the signal for being used to be arranged the bluetooth test device and the bluetooth host apart from setup module
Transmission range;
Output power acquisition module, the output power acquisition module are used to, in preset test frequency point, obtain the bluetooth
The output power of host;
Test result determining module, the test result determining module are used for according to the output power and preset standard value
Relationship determines the output power test result of the bluetooth host.
7. automobile-used bluetooth output power according to claim 6 tests system, which is characterized in that described apart from setup module
Including:
Simulated range unit, the simulated range unit are used for the reception power by the way that the output power acquisition module is arranged,
Simulate the signal transmission distance of the bluetooth test device and the bluetooth host.
8. automobile-used bluetooth output power according to claim 7 tests system, which is characterized in that the simulated range unit
It is additionally operable to according to different signal transmission distances, will receive power divider is multiple corresponding grades.
9. testing system according to the automobile-used bluetooth output power of claim 6~8 any one of them, which is characterized in that the vehicle
Further include with bluetooth output power test system:The bluetooth letter being connected between the bluetooth host and the bluetooth test device
Number transceiver;
The Bluetooth signal transceiver is arranged in the inside of the shielded box, the radiofrequency signal for being sent out to the bluetooth host
Signal processing is carried out, and radiofrequency signal is forwarded to the bluetooth test device by treated.
10. automobile-used bluetooth output power according to claim 9 tests system, which is characterized in that the automobile-used bluetooth is defeated
Going out power test system further includes:The Bluetooth signal being connected between the Bluetooth signal transceiver and the bluetooth test device
Power amplifier;
The Bluetooth signal power amplifier is arranged in the inside of the shielded box, for the Bluetooth signal transceiver to the indigo plant
The radiofrequency signal of tooth test device forwarding is amplified processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810524859.0A CN108696323A (en) | 2018-05-28 | 2018-05-28 | Automobile-used bluetooth output power test method and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810524859.0A CN108696323A (en) | 2018-05-28 | 2018-05-28 | Automobile-used bluetooth output power test method and system |
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| CN108696323A true CN108696323A (en) | 2018-10-23 |
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| CN201810524859.0A Pending CN108696323A (en) | 2018-05-28 | 2018-05-28 | Automobile-used bluetooth output power test method and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112656391A (en) * | 2020-12-04 | 2021-04-16 | 深圳市领为创新科技有限公司 | Intelligent bracelet testing system and method for assisting driving |
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| CN105636080A (en) * | 2015-12-30 | 2016-06-01 | 福建联迪商用设备有限公司 | Bluetooth test method and system |
| CN107682067A (en) * | 2014-08-29 | 2018-02-09 | 吴红平 | Relay transmission system and its method of work based on short-range communication |
| CN108039920A (en) * | 2017-11-10 | 2018-05-15 | 芯海科技（深圳）股份有限公司 | A kind of plate level radio frequency performance test method of BLE equipment |
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140355457A1 (en) * | 2013-05-31 | 2014-12-04 | Arcadyan Technology Corporation | System for testing wireless signals and method for establishing the same |
| CN107682067A (en) * | 2014-08-29 | 2018-02-09 | 吴红平 | Relay transmission system and its method of work based on short-range communication |
| CN105636080A (en) * | 2015-12-30 | 2016-06-01 | 福建联迪商用设备有限公司 | Bluetooth test method and system |
| CN108039920A (en) * | 2017-11-10 | 2018-05-15 | 芯海科技（深圳）股份有限公司 | A kind of plate level radio frequency performance test method of BLE equipment |
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| CN112656391A (en) * | 2020-12-04 | 2021-04-16 | 深圳市领为创新科技有限公司 | Intelligent bracelet testing system and method for assisting driving |
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| CB02 | Change of applicant information |
Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 No. 669 Shixin Road, Taohua Industrial Park, Hefei City, Anhui Province Applicant before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
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Application publication date: 20181023 |