CN108039929A - Noise detection system and noise detecting method - Google Patents
Noise detection system and noise detecting method Download PDFInfo
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- CN108039929A CN108039929A CN201711259960.XA CN201711259960A CN108039929A CN 108039929 A CN108039929 A CN 108039929A CN 201711259960 A CN201711259960 A CN 201711259960A CN 108039929 A CN108039929 A CN 108039929A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/345—Interference values
Abstract
The invention discloses a kind of noise detection system and method,The signal of equipment under test is detected using signal detecting device,The distance between signal detecting device and equipment under test can influence detection accuracy,Since signal detecting device is arranged on one end of telescopic device,The movement of the mobile drive signal detecting device of telescopic device,By controlling telescopic device to be moved to corresponding position when the distance between signal detecting device and described equipment under test meet pre-determined distance condition,Distance between signal detecting device and equipment under test is set to meet pre-determined distance condition,At this time,Signal detecting device be spaced between equipment under test this apart from when can accurately be detected,Obtain accurate detectable signal and export,Controller can accurately determine noise measuring result according to detectable signal and preset signals,So as to,Accurately realize the noise measuring to equipment under test.
Description
Technical field
The present invention relates to signal detection technique field, more particularly to a kind of noise detection system and noise detecting method.
Background technology
It is well known that WiFi (Wireless-Fidelity, Wireless Fidelity) be the more extensive short distance of current application without
Line network transmission technology, can wirelessly communicate the equipment of the energy wireless reception of signals such as PC, mobile phone each other, its
Every field is penetrated into the advantage of convenient, stable, quick, low cost and flexible networking, is played the role of very important.
But the frequency range of WiFi is relatively narrow, most transmission channel overlaps, and online contends with one other.When multiple equipment works at the same time, profit
When being communicated with WiFi, competition and situation about disturbing each other are formed each other, causes online experience poor, so resisting interference is
Each equipment is firstly the need of solving the problems, such as.
The generation interference that overlaps of competition online mechanism caused by WiFi agreements and channel cannot change, but pass through drop
The radio noise of low equipment can improve the antijamming capability of equipment, so as to obtain good network experience.However, at present to equipment
Radio noise when measuring, it is impossible to detect the noise in equipment exactly.
The content of the invention
Based on this, it is necessary to detect the problem of accuracy is relatively low for noise of equipment, there is provided a kind of noise detection system with
And noise detecting method.
A kind of noise detection system, including telescopic device, signal detecting device and controller, the controller respectively with
The telescopic device and signal detecting device connection, the signal detecting device are arranged at the telescopic device close to quilt
One end of measurement equipment；
The controller sends detection control instruction to the telescopic device, controls the telescopic device to be moved to the letter
The distance between number detection device and described equipment under test meet corresponding position during pre-determined distance condition, the signal detection dress
The detectable signal that detection acquisition is carried out to the equipment under test is put, and is exported to the controller, the controller is according to
The preset signals of equipment under test and the detectable signal carry out noise measuring, obtain noise measuring result
Above-mentioned noise detection system, detects the signal of equipment under test using signal detecting device, signal detection dress
Detection accuracy can be influenced by putting the distance between equipment under test, since signal detecting device is arranged on one end of telescopic device,
The movement of the mobile drive signal detecting device of telescopic device, by controlling telescopic device to be moved in signal detecting device and quilt
The distance between measurement equipment meets corresponding position during pre-determined distance condition, makes distance between signal detecting device and equipment under test
Meet pre-determined distance condition, signal detecting device be spaced between equipment under test this apart from when can accurately be detected, obtain
Accurate detectable signal simultaneously exports, and controller determines noise detection as a result, so as to realize to quilt according to preset signals and detectable signal
The accurate detection of measurement equipment noise.
A kind of noise detecting method is also provided, is comprised the following steps：
Detection control instruction is sent to telescopic device, controls the telescopic device to be moved to signal detecting device and is set with tested
It is the distance between standby to meet corresponding position during pre-determined distance condition；
Obtain the detectable signal for carrying out detection acquisition to the equipment under test by the signal detecting device；
Noise measuring is carried out according to the preset signals of the equipment under test and the detectable signal, obtains noise measuring knot
Fruit.
Above-mentioned noise detecting method, by sending detection control instruction to telescopic device, control telescopic device is moved to letter
The distance between number detection device and equipment under test meet corresponding position during pre-determined distance condition, make signal detecting device and quilt
Distance meets pre-determined distance condition between measurement equipment, signal detecting device be spaced between equipment under test this apart from when can carry out
Accurate detection, so as to obtain the accurate detectable signal that detection acquisition is carried out by signal detecting device, according to preset signals and
Detectable signal determines noise detection as a result, so as to realize the accurate detection to equipment under test noise.
Brief description of the drawings
Fig. 1 is the structure diagram of the noise detection system of one embodiment；
Fig. 2 is the structure diagram of the noise detection system of another embodiment；
Fig. 3 is the flow diagram of the noise detecting method of one embodiment.
Embodiment
Please refer to Fig.1 and Fig. 2, there is provided a kind of a kind of noise detection system of embodiment, including telescopic device 110, signal
Detection device 120 and controller 130, controller 130 are connected with telescopic device 110 and signal detecting device 120 respectively, letter
Number detection device 120 is arranged at telescopic device 110 close to one end of equipment under test 200.Controller 130 is sent out to telescopic device 110
Detection control instruction is sent, it is full that control telescopic device 110 is moved to the distance between signal detecting device 120 and equipment under test 200
Corresponding position during sufficient pre-determined distance condition, signal detecting device 120 carry out equipment under test 200 detection and obtain detectable signal,
And detectable signal is exported to controller 130, controller 130 noise measuring is carried out according to detectable signal, obtain noise measuring knot
Fruit.
Equipment under test correspondence works normally in certain operating frequency range, but interfering noise can influence equipment under test
Normal work, i.e., interfering noise is signal of the frequency outside the corresponding operating frequency range of equipment under test, is accurately made an uproar to interference
Sound is detected, and is conducive to subsequent user to exclusion of interference etc., the accurate detection to equipment under test noise is to ensure that tested set
One step of key of standby normal work.Due to there is its corresponding working signal (i.e. preset signals) when equipment under test works normally, such as
Noise occurs for fruit, then can be had differences between the detectable signal and working signal that are detected by signal detecting device 120, from
And after signal detection acquisition detectable signal is carried out to equipment under test 200 by signal detecting device 120, according to preset signals pair
Detectable signal is analyzed, i.e., can detect whether equipment under test has noise jamming according to preset signals and detectable signal, is obtained
Noise measuring is as a result, noise measuring result can be to have noise or noiseless.
Detection control instruction is used for enabling signal detection process, and in the present embodiment, user can be by controller 130
Operation interface on carry out start detection trigger action, controller 130 respond the trigger action, generation detection triggering command,
Controller 130 can send detection control instruction after detection triggering command is obtained to telescopic device, to control telescopic device 110 to move
It is dynamic, signal detecting device 120 is carried out signal detection to equipment under test 200.User can also be sent by remote operation and be detected
Triggering command to controller 130, controller 130 responds the detection triggering command, open signal after detection triggering command is received
The process of detection, i.e., send detection control instruction, to control telescopic device 110 to move, due to signal detection to telescopic device 100
Device 120 is arranged on telescopic device 110 and is filled close to one end of equipment under test 200, the mobile drive signal detection of telescopic device 110
120 movement is put, is met in the distance that signal detecting device 120 is moved between signal detecting device 120 and equipment under test 200
During pre-determined distance condition during corresponding position, signal detection is carried out by signal detecting device 120, and by the detectable signal of acquisition
Output realizes the noise detection to equipment under test 200 to controller 130.
Pre-determined distance condition can be understood as influencing the factor that telescopic device 110 moves, and signal detecting device 120 is flexible
Moved under the drive of device 110, the distance between signal detecting device 120 and equipment under test 200 is unsatisfactory for pre-determined distance bar
During part, represent not up to control telescopic device 110 stop movement condition, it is possible to understand that represent signal detecting device 120 with
The signal that cannot be accurately detected at the position of the distance on equipment under test 200, telescopic device 110 are spaced between equipment under test 200
Also need to continue to move to, continue to move to signal detecting device 120, until above-mentioned distance meets pre-determined distance condition, i.e., in signal
When the distance between detection device 120 and equipment under test 200 meet pre-determined distance condition, expression reaches control telescopic device 110
Stop mobile condition, it is possible to understand that represent that signal detecting device 120 is spaced the position of the distance between equipment under test 200
Place can be accurately detected the signal on equipment under test 200, and at this time, signal detecting device 120 carries out detection to equipment under test 200 can
Accurate detectable signal is obtained, and outputs this to controller 130, controller 130 is made an uproar according to detectable signal and preset signals
Sound detection, the accurate noise detection realized to equipment under test.
By above-mentioned noise detection system, the signal of equipment under test 200 is detected using signal detecting device 120,
The distance between signal detecting device 120 and equipment under test 200 can influence detection accuracy, since signal detecting device 120 is set
Put in one end of telescopic device 110, the movement of the mobile drive signal detecting device 120 of telescopic device 110, it is flexible by controlling
The distance that device 110 is moved between signal detecting device 120 and equipment under test 200 meets corresponding during pre-determined distance condition
Position, makes distance between signal detecting device 120 and equipment under test 200 meet pre-determined distance condition, signal detecting device 120 exists
Be spaced between equipment under test 200 this apart from when can accurately be detected, obtain accurate detectable signal and export, controller 130
Noise detection is determined according to preset signals and detectable signal as a result, so as to realize the accurate detection to 200 noise of equipment under test.
Specifically, noise measuring is carried out according to the preset signals and detectable signal of equipment under test 200 in controller 130,
Obtain in noise measuring result, controller 130 filters out the preset signals in detectable signal, doubtful noise signal is obtained, doubtful
When the amplitude of the frequency of noise signal is more than preset value, it is determined as having noise, otherwise, it determines being noiseless.
In one example, above-mentioned telescopic device 110 can be expansion bend.
In one of the embodiments, signal detecting device 120 includes mechanical arm 121 and signal probe 122, machinery
Arm 121 is rotationally connected with telescopic device 110 and is arranged at mechanical arm close to one end of equipment under test 200, signal probe 122
121 one end away from telescopic device 110, controller 130 are connected with signal probe 122 and mechanical arm 121 respectively.Signal is visited
Survey device 120 and detection acquisition detectable signal is carried out by signal probe 122, and export to controller 130.
I.e. signal detecting device 120 carries out signal detection by signal probe 122, and signal probe 122 is small and weight
Gently, be conducive to move with mechanical arm 121 and move, convenient detection.In one example, signal probe 122 can be detection
Antenna.In one embodiment, the quantity of exploring antenna can be with least two, and each exploring antenna is connected with controller 130 respectively,
I.e. by the detectable signal for receiving multiple frequency ranges of each exploring antenna, exploring antenna can control to open work by controller 130
Make and be stopped, so as to fulfill the selection to exploring antenna.For example, it is operated in for some equipment under test 200, it is necessary to use
The exploring antenna of one frequency range carries out signal detection, then controls corresponding exploring antenna to work by controller 130, to carry out letter
Number detection.
In addition, mechanical arm 121 and telescopic device 110 are close to the rotation connection of one end of equipment under test 200, i.e. mechanical arm
121 can rotate freely relative to one end of telescopic device 110.Specifically, controller 130 can control mechanical arm 121 to rotate, with
Change the azimuth of mechanical arm 121, and then change the azimuth for the signal probe 122 for being connected to 121 one end of mechanical arm, it is real
Now change the phase position between signal probe 122 and equipment under test 200, to meet to carry out equipment under test the spy of different angle
Survey demand.
In one of the embodiments, signal detecting device 120, which further includes, is arranged at mechanical arm 121 away from telescopic device
The distance measurement first 123 of 110 one end, and first 123 one end away from mechanical arm 121 of distance measurement and signal probe 122 are remote
Identical with the distance between equipment under test 200 respectively from one end of mechanical arm 121, distance measurement first 123 connects with controller 130
Connect.Distance measurement first 123 detectable signal probe the distance between 122 and equipment under test 200, and export to controller 130, its
In, the distance between signal detecting device 120 and equipment under test 200 between signal probe 122 and equipment under test 200 away from
From.In one example, signal probe 122 is parallel with distance measurement first 123.
Distance measurement first 123 is used for the distance between signal detecting device 120 and equipment under test 200, is filled in signal detection
When putting the distance between 120 and equipment under test 200 and meeting pre-determined distance condition, the signal on equipment under test 200 can be accurately detected.
Since signal detecting device 120 is by the signal of the detection equipment under test 200 of signal probe 122, in order to further improve detection essence
Degree the distance between 122 and equipment under test 200, it is necessary to which detectable signal is popped one's head in, and as signal detecting device 120 with being tested
The distance between equipment 200, so that, in the present embodiment, by setting one end and signal probe away from mechanical arm 121
The distance measurement first 123 that 122 one end away from mechanical arm 121 (i.e. close to equipment under test 200) flush, i.e. distance measurement head
123 one end and the distance of equipment under test 200 and one end of signal probe 123 are identical with the distance of equipment under test 200, and distance is visited
Gauge head 123 is detectable the distance between with equipment under test 200, detection range detecting head 123 detect between equipment under test 200
Distance can accurately represent the distance between signal probe 122 and equipment under test 200, and then can accurately obtain signal detection dress
The distance between 120 and equipment under test 200 are put, Efficient Support is provided for succeeding signal detection.
In one of the embodiments, there is the test of 200 corresponding predetermined number of equipment under test in controller 130 in advance
The default testing sequence of point and test point to predetermined number, when initial, telescopic device 110 is placed at signal detecting device
120 with equipment under test 200 be spaced pre-determined distance when corresponding initial position.Controller 130 will not detect in each test point
And sequentially most preceding test point, as current test point, the detection control that the current test point of carrying is sent to telescopic device 110 refers to
Order, control telescopic device 110 are moved to target location, target location for telescopic device 110 signal detecting device 120 with it is current
Test point face, and corresponding position when meeting pre-determined distance condition with the distance between current test point, signal detecting device
120 signal probe 122 carries out current test point detection and obtains current detectable signal and export to controller 130, and controls
Device 130 controls telescopic device 110 to be moved to the position with current test point interval pre-determined distance, and will not detected in each test point
Test point cross and that order is most preceding returns to controller 130 and carries current survey to the transmission of telescopic device 110 as current test point
The detection control instruction of pilot, continues to execute detection, and through each test point detection finishes, and detectable signal includes working as predetermined number
Preceding detectable signal.
In order to detect the noise on equipment under test 200 more fully hereinafter, predetermined number can be set on equipment under test 200
Test point, i.e., signal detection is carried out respectively to each test point on equipment under test 200.In controller 130, it is previously provided with pre-
If exploring sequence, controller 130 can control signal detecting device 120 according to the default exploring sequence of test point be moved to successively with
At the corresponding position of test point, realize successively and each test point is separately detected, make signal detecting device 120 in an orderly manner to each survey
Pilot is detected respectively, is avoided the test leakage of test point or is resurveyed, and improves detection accuracy.
Since the corresponding position of the different test points of equipment under test is different, then different test points and signal detecting device 120
The distance between difference, in one example, signal detecting device 120 and equipment under test 200 are spaced pre-determined distance and are appreciated that
Be spaced between test point nearest apart from signal detecting device 120 in signal detecting device 120 and equipment under test 200 it is default away from
From.
In addition, test point can be by respectively in orthogonal three axial directions (i.e. first axis, second axial and the
Three is axial) on coordinate value represent that signal detecting device 120 can be understood as signal detecting device with current test point face
120 coordinate value with current test point in first axis is identical, and the coordinate value in the second axial direction is also identical, signal detection dress
Put the distance between 120 and current test point and can be understood as coordinate value and signal detecting device of the test point in the 3rd axial direction
Difference between 120 coordinate value in the 3rd axial direction, in this example, signal detecting device 120 and distance in equipment under test
Pre-determined distance is spaced between the nearest test point of signal detecting device 120 and can be understood as, signal detecting device axial along the 3rd
120 and equipment under test in be spaced pre-determined distance between the test point nearest apart from signal detecting device 120.For example, current test
The coordinate of point is (1,2,3), represents that in first axis, the second axial and the 3rd axial direction coordinate value be respectively 1,2,3, signal
The coordinate of detection device 120 is (1,2,9), represents that the coordinate value in first axis, the second axial direction and the 3rd axial direction is respectively
1,2,9, due to respectively identical, i.e., current test point and signal detecting device in the axial coordinate value of first axis and second
120 be face, only different in the 3rd axial coordinate value, by the way that both are subtracted each other in the 3rd axial coordinate value respectively,
Can then obtain between the two every distance, in this example, the distance at interval is 6, if pre-determined distance is 1, needs to continue to move to
For signal detecting device 120 until differing 1 in the 3rd axial coordinate value with current sensing point, that is, it is (1,2,4) to be moved to coordinate
Position at.
In one embodiment, since the test point to predetermined number carries out signal detection respectively, then there is predetermined number
Current detectable signal, controller 130 carry out noise measuring according to each current detectable signal and preset signals respectively, obtain each survey
The corresponding noise measuring of pilot is made an uproar so as to can determine that as a result, understand which test point sounding noise in each test point
Sound source.
In one of the embodiments, there are the pre-configured orientation angle of preset number, signal probe in controller 130 in advance
122, perpendicular to mechanical arm 121, carry out current test point detection in the signal probe 122 of signal detecting device 120 and are worked as
Output is into controller 130 after preceding detectable signal, 121 basis of mechanical arm in 130 control signal detection device 120 of controller
The pre-configured orientation angle of preset number rotates successively, and signal probe 122 respectively visits current test point at each pre-configured orientation angle
Survey, obtain current test point respectively in the corresponding single current detectable signal in each pre-configured orientation angle, any one current detection letter
Number include the single current detectable signal of preset number；Controller 130 is according to the amplitude maximum of frequency in current detectable signal
Single current detectable signal and preset signals carry out noise measuring, obtain noise measuring result.
Since signal probe 122 is arranged on mechanical arm 121 close to one end of equipment under test and vertical, then mechanical arm
Azimuth after 121 rotations is the azimuth of signal probe 122, so that, realized by varying the azimuth of mechanical arm 121
The azimuth of signal probe 122, realizes and carries out signal detection to current test point at different pre-configured orientation angles, due to pre-configured orientation
There is preset number at angle, and signal detection is often carried out at a pre-configured orientation angle can obtain the corresponding single current detection of current test point
Signal, therefore, can obtain the single current detectable signal of preset number, i.e. any one current detectable signal includes preset number
Single current detectable signal.Controller 130 is by the single current detectable signal of the amplitude maximum of frequency in current detectable signal
And preset signals carry out noise measuring, noise measuring is obtained as a result, to improve noise measuring accuracy.
In one embodiment, above-mentioned noise detection system, further includes spectrum analyzer 140 and signal amplifier 150, letter
Number amplifier 150 is connected between signal probe 122 and spectrum analyzer 140, and spectrum analyzer 140 is connected to signal amplifier
Between 150 and controller 130.
140 measurable detectable signal of spectrum analyzer parameter (for example, the frequency spectrum of detectable signal, i.e. frequency and amplitude it
Between correspondence, you can the corresponding amplitude of each frequency), obtain the parameter value of detectable signal, and export to controller 130, it is real
Now to the signal detection of equipment under test 200.It is unfavorable for detecting since the noise signal having is weaker, in the present embodiment, in signal
Setting signal amplifier 150 between probe 122 and spectrum analyzer 140, signal probe 122 carry out the detectable signal of detection acquisition
Spectrum analyzer 140 is transmitted to again after amplifying by signal amplifier 150, improves the spirit of the noise detection to equipment under test 200
Sensitivity.
In addition, in the present embodiment, wide-band is equipped with side of the signal amplifier 150 away from signal detecting device 120
Absorbing material, absorbing material can absorb the electromagnetic wave energy for projecting signal amplifier 150, and signal is put so as to reduce electromagnetic wave
The interference of big device 150, wide-band absorbing material can have higher absorptivity in wider frequency section to electromagnetic wave.
In one of the embodiments, pre-determined distance condition is included between signal detecting device 120 and equipment under test 200
Distance is in the range of pre-determined distance.
When the distance between signal detecting device 120 and equipment under test 200 are in the range of pre-determined distance, it can be ensured that tested to set
Signal on standby 200 can accurately be transferred to signal detecting device 120, i.e. signal detecting device 120 can be accurately detected tested
Signal in equipment 200, it is ensured that detection accuracy.It is appreciated that the distance between signal detecting device 120 and current test point
In the range of pre-determined distance, represent that the distance between signal detecting device 120 and current test point meet pre-determined distance condition.
In one of the embodiments, controller 130 includes the first controller 131 and second controller 132, the second control
Device 132 processed is connected with the first controller 131, signal detecting device 120 and equipment under test 200 respectively, and the first controller 131 divides
It is not connected with telescopic device 110 and signal detecting device 120.
Second controller 132 is used for after detection control instruction is received, and sending test starting to the first controller 131 refers to
Order, the first controller 131 is according to test initiation command, the control movement of telescopic device 110 etc..Specifically, first control device is
It is connected with the mechanical arm 121 in signal detecting device 120, to control its action, for example, point by point successively to each test point point
When not detected, the mechanical arm 121 in controllable signal detecting device 120 is rotated and moved etc..Second controller 132
It is connected respectively with the signal probe 122 in signal detecting device 120 and distance measurement first 123, signal probe 122 carries out signal
The detectable signal that detection obtains is exported to second controller 132, the distance of first 123 detection of distance measurement and exported to second controller
132, second controller 132 carries out judging whether to meet pre-determined distance condition according to the distance.
Further, the first controller 131 passes through the first COM Com1 (the first COM port) and telescopic device
110 connections, are connected by the second COM Com2 (the second COM port) with mechanical arm 121.Second controller 132
It is connected by the 3rd COM Com3 (the 3rd COM port) with the first controller 131, passes through RJ interfaces and equipment under test
200 connections, second controller 132 are connected by spectrum analyzer 140 with signal probe 122, specifically, second controller 132
It is connected by GBIP interfaces (general purpose interface bus) with spectrum analyzer 140, spectrum analyzer 140 passes through radio frequency interface and signal
The connection of probe 122, further, radio frequency interface is connected by amplifier with signal probe 122.
A in the present embodiment, the first controller 131 and second controller 132 are respectively server, to ensure every control
Process processed is quick and precisely realized.
In one of the embodiments, above-mentioned noise detection system, further includes shielded box 160, equipment under test 200, stretch
Device 110 and signal detecting device 120 are respectively placed in shielded box 160, to shield external electromagnetic ripple, are avoided in shielded box 160
Each device is reduced the external noise interference during noise detection, so as to improve noise probe accuracy by external interference.Separately
Outside, signal amplifier 150 is placed in shielded box 160, can avoid external disturbance, improves processing accuracy.
In the present embodiment, external connection port is equipped with 160 outer surface of shielded box, wave filter connects with external connection port
Connect.
External connection port can connect external equipment (for example, power-supply device), receive the signal of external equipment transmission, in order to
Reduce the interference in signal, external connection port connection wave filter, i.e., connect external equipment by wave filter, pass through wave filter pair
Signal is filtered, and filters out interference signal therein, obtains more accurate signal, ensures to be input to external connection port as far as possible
Signal totally without noise.
In one of the embodiments, 110 outer surface of telescopic device is equipped with low-frequency wave-absorbing material.
Low-frequency wave-absorbing material is equipped with 110 outer surface of telescopic device, to absorb the low frequency electromagnetic for projecting telescopic device 110
Wave energy, so as to reduce influence of the electromagnetic wave to telescopic device 110.
In one of the embodiments, test platform 170 is further included, equipment under test 200 is placed on test platform 170.It is logical
Cross test platform 170 and support equipment under test 200, convenient detection.Further, test platform 170 is arranged in shielded box 160,
Avoid external interference.
In addition, in the present embodiment, equipment under test 200 is connected with test platform 170, specifically, set on test platform 170
There are DC interfaces (direct current electrical interface, is a kind of socket to match with power source special, direct current is provided for equipment) and RG45 interfaces
(Ethernet interface), test platform 170 can be connected by DC interfaces and GR45 interfaces with equipment under test 200 respectively, test strip
It is connected by DC interfaces with equipment under test 200, can is that equipment under test 200 provides direct current, test platform 170 passes through RG45 interfaces
Be connected with equipment under test 200, it is ensured that with it is tested between communication, in this way, test platform 170 can ensure that equipment under test 200 is stablized
Work and reliable communicating.
Further, second controller 132 is connected with test platform 170, and specifically, second controller 132 passes through RJ
Interface (Ethernet interface) is connected with test platform 170.Test platform 170 is also connected with equipment under test 200, it will be understood that the
Two controllers 132 are connected by test platform 170 with equipment under test 200, can carry out relevant control to equipment under test 200.
Referring to Fig. 3, a kind of noise detecting method of the above-mentioned noise detection system the present invention also provides embodiment, including
Following steps：
S310：Detection control instruction is sent to telescopic device, control telescopic device is moved to signal detecting device with being tested
The distance between equipment meets corresponding position during pre-determined distance condition；
S320：Obtain the detectable signal for carrying out detection acquisition to equipment under test by signal detecting device；
S330：Noise measuring is carried out according to the preset signals of equipment under test and detectable signal, obtains noise measuring result.
Above-mentioned noise detecting method, by sending detection control instruction to telescopic device, control telescopic device is moved to letter
The distance between number detection device and equipment under test meet corresponding position during pre-determined distance condition, make signal detecting device and quilt
Distance meets pre-determined distance condition between measurement equipment, signal detecting device be spaced between equipment under test this apart from when can carry out
Accurate detection, so as to obtain the accurate detectable signal that detection acquisition is carried out by signal detecting device, according to preset signals and
Detectable signal determines noise detection as a result, so as to realize the accurate detection to equipment under test noise.
In one embodiment, acquisition carries out equipment under test by signal detecting device the detectable signal of detection acquisition
Mode includes：Obtain the detectable signal that detection acquisition is carried out by signal probe in signal detecting device.
In one embodiment, above-mentioned noise detecting method, further includes step：Receive distance measurement head detectable signal probe
The distance between equipment under test；
Wherein, the distance between signal detecting device and equipment under test are the distance between signal probe and equipment under test.
In one embodiment, before sending detection control instruction to telescopic device, further include：By in default testing sequence
The most preceding test point of order is as current test point；Wherein, test point of the testing sequence for the predetermined number of equipment under test is preset
Corresponding testing sequence, detection control instruction carry current test point；
When control telescopic device is moved to the distance between signal detecting device and equipment under test and meets pre-determined distance condition
The mode of corresponding position includes：Control telescopic device is moved to target location, wherein, target location is telescopic device in signal
Detection device and current test point face, and corresponding position when meeting pre-determined distance condition with the distance between current test point
Put；
Obtain is included by way of the detectable signal that signal probe in signal detecting device carries out detection acquisition：Obtain logical
Cross the current detectable signal that signal probe carries out current test point detection acquisition；Control telescopic device is moved to currently testing
The position of point interval pre-determined distance, and using test point unexplored in each test point and that order is most preceding as current test
Point, returns to telescopic device and sends detection control instruction, and through each test point detection finishes, and detectable signal includes predetermined number
Current detectable signal.
In one embodiment, the side for the current detectable signal for carrying out detection acquisition to current test point by signal is obtained
Formula includes：
Mechanical arm rotates successively according to the pre-configured orientation angle of preset number in control signal detection device；Signal is obtained to visit
Head current test point is detected at each pre-configured orientation angle respectively, obtain respectively in the corresponding list in each pre-configured orientation angle
A current detectable signal；Wherein, any one current detectable signal includes the single current detectable signal of preset number.
Each technical characteristic of above example can be combined arbitrarily, to make description succinct, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, lance is not present in the combination of these technical characteristics
Shield, is all considered to be the scope of this specification record.
Above example only expresses several embodiments of the present invention, its describe it is more specific and in detail, but can not be because
This and be interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that for those of ordinary skill in the art,
On the premise of not departing from present inventive concept, various modifications and improvements can be made, these belong to protection scope of the present invention.
Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. noise detection system, it is characterised in that including telescopic device, signal detecting device and controller, the control Device processed is connected with the telescopic device and the signal detecting device respectively, and the signal detecting device is arranged at described flexible Device is close to one end of equipment under test；The controller sends detection control instruction to the telescopic device, controls the telescopic device to be moved to the signal and visits Survey the distance between device and described equipment under test and meet corresponding position during pre-determined distance condition, the signal detecting device pair The equipment under test carries out the detectable signal of detection acquisition, and exports to the controller, and the controller is according to described tested The preset signals of equipment and the detectable signal carry out noise measuring, obtain noise measuring result.
- 2. noise detection system according to claim 1, it is characterised in that the signal detecting device includes mechanical arm And signal probe, the mechanical arm are rotationally connected with the telescopic device close to one end of the equipment under test, the letter Number probe is arranged at the one end of the mechanical arm away from the telescopic device, the controller respectively with the signal probe with And the mechanical arm connection；The signal detecting device carries out the detection acquisition detectable signal by the signal probe and exports.
- 3. noise detection system according to claim 2, it is characterised in that the signal detecting device, which further includes, to be arranged at The distance measurement head of the one end of the mechanical arm away from the telescopic device, and the distance measurement head is away from the manipulator One end of arm is identical with the distance between the equipment under test respectively with the one end of the signal probe away from the mechanical arm, The distance measurement head is connected with the controller；The distance measurement head detects the distance between the signal probe and the equipment under test, and exports to the control Device, wherein, the distance between the signal detecting device and the equipment under test are the signal probe and the equipment under test The distance between.
- 4. noise detection system according to claim 2, it is characterised in that have in advance in the controller described tested The default testing sequence of the test point of the corresponding predetermined number of equipment and test point to the predetermined number；The controller sends the detection to the telescopic device and controls using sequentially most preceding test point as current test point Instruction, controls the telescopic device to be moved to target location, and the signal probe carries out detection acquisition to the current test point Current detectable signal simultaneously exports, the controller control the telescopic device be moved to the current test point interval preset away from From position, and using unexplored in each test point and most preceding test point of order as current test point, return to The telescopic device sends the detection control instruction, and through each test point detection finishes, and the detectable signal includes pre- If the current detectable signal of number；Wherein, the detection control instruction carries the current test point, and the target location is the telescopic device described Signal detecting device and the current test point face, and meet pre-determined distance condition with described currently the distance between test point When corresponding position.
- 5. noise detection system according to claim 4, it is characterised in that have preset number in advance in the controller Pre-configured orientation angle, the signal probe is perpendicular to the mechanical arm；In the signal probe carries out the current detectable signal of detection acquisition to the current test point and exports, the controller The mechanical arm is controlled to be rotated successively according to the pre-configured orientation angle of the preset number, the signal probe is respectively each described Pre-configured orientation angle detects the current test point, obtains single work as each pre-configured orientation angle is corresponding respectively Preceding detectable signal simultaneously exports；Wherein, any one of current detectable signal includes the single current detectable signal of preset number；The controller according in the preset signals and the current detectable signal amplitude maximum of frequency it is described single Current detectable signal carries out noise measuring, obtains the noise measuring result.
- 6. noise detection system according to claim 2, it is characterised in that further include spectrum analyzer and signal amplification Device, the signal amplifier are connected between the signal probe and the spectrum analyzer, and the spectrum analyzer is connected to Between the signal amplifier and the controller.
- 7. a kind of noise detecting method, it is characterised in that comprise the following steps：Send detection control instruction to telescopic device, control the telescopic device be moved to signal detecting device and equipment under test it Between distance meet corresponding position during pre-determined distance condition；Obtain the detectable signal for carrying out detection acquisition to the equipment under test by the signal detecting device；Noise measuring is carried out according to the preset signals of the equipment under test and the detectable signal, obtains noise measuring result.
- 8. noise detecting method according to claim 7, it is characterised in that the acquisition passes through the signal detecting device The mode of the detectable signal of detection acquisition is carried out to the equipment under test to be included：Obtain and pass through signal in the signal detecting device Probe carries out the detectable signal of detection acquisition.
- 9. noise detecting method according to claim 8, it is characterised in thatIt is described to be sent to telescopic device before detecting control instruction, further include：By the test that order in default testing sequence is most preceding Point is used as current test point；Wherein, the default testing sequence is corresponding for the test point of the predetermined number of the equipment under test Testing sequence, the detection control instruction carry the current test point；The control telescopic device is moved to the distance between signal detecting device and equipment under test and meets pre-determined distance bar The mode of corresponding position includes during part：The telescopic device is controlled to be moved to target location, wherein, the target location is institute The distance between telescopic device is stated in the signal detecting device and the current test point face, and with described current test point Meet corresponding position during pre-determined distance condition；It is described to obtain the bag by way of the detectable signal that signal probe in the signal detecting device carries out detection acquisition Include：Obtain the current detectable signal for carrying out detection acquisition to the current test point by the signal probe；Stretched described in control Compression apparatus is moved to the position with the current test point interval pre-determined distance, and by unexplored in each test point and The most preceding test point of order returns to the telescopic device as current test point and sends the detection control instruction, go directly each The test point detection finishes, and the detectable signal includes the current detectable signal of predetermined number.
- 10. noise detecting method according to claim 9, it is characterised in that described to obtain by the signal to described The mode that current test point carries out the current detectable signal of detection acquisition includes：Mechanical arm in the signal detecting device is controlled to be rotated successively according to the pre-configured orientation angle of the preset number；Obtain institute Signal probe is stated respectively to detect the current test point at each pre-configured orientation angle, obtain respectively each described pre- If the corresponding single current detectable signal in azimuth；Wherein, any one of current detectable signal includes preset number Single current detectable signal.
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Application publication date: 20180515 |