CN107024270A - The method of radio detection, diagnosis building or equipment status parameter - Google Patents
The method of radio detection, diagnosis building or equipment status parameter Download PDFInfo
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- CN107024270A CN107024270A CN201611100068.2A CN201611100068A CN107024270A CN 107024270 A CN107024270 A CN 107024270A CN 201611100068 A CN201611100068 A CN 201611100068A CN 107024270 A CN107024270 A CN 107024270A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Abstract
Radio detection, the method of diagnosis building or equipment status parameter belongs to the parameter real-time testing technique field of building or equipment, it is characterized in that, using the load generation part contact being installed in a variety of ways around or within the various kinds of sensors that measurand is used or non-contactly to the presence or absence of respective sensor real time detecting sensor failure, monitored in real time with the dynamic change state for ensureing the tested state parameter in normal to the sensor operation of threshold range that system can be changed by tested state parameter, and diagnosed according to the bound threshold value of its permission, abnormal signal is being sent close or equal to the bound presentation time, alarm signal is sent when reaching alarming value and is automatically adjusted when a reference value can be also deflected downwardly to supply voltage.The present invention can be suitably used at least including the technical field such as control, machine tool guideway Stroke Control, earthquake detection and damage of facilities resonance in central air-conditioning temperature chamber, be more suitable for operating personnel be difficult or uncomfortable entrance place.
Description
Technical field：
The present invention relates to the Condition monitoring and diagnosis field of equipment and facility etc., it is not easy or is not suitable for close mistake in the mankind
High or hazardous area carries out diagnostic signal collection, and the state to object-based device and facility carries out effective checkout and diagnosis.
Background technology：
Existing Patents documents：
1. JP 2008-292319 publications
2. JP 2005-208055 publications
3. JP 2013-122718 publications
4. special permission the 3984185th
5. special permission the 5145501st
6. Patent Publication 2008-255570
7. Beneficial 7-8776
8. JP 2010-160112
9. JP 2009-251822
10. Unexamined Patent 7-556510
When carrying out Condition monitoring and diagnosis to equipment and facility (especially large scale equipment, building) so far, need to carry out
The place of physical quantity (vibration and deformation etc.) measurement is many, it is necessary to be substantial amounts of sensor wiring (power supply and signal wire).Have very
The motion of many wireless sensers and system, still, for substantial amounts of sensor and amplifier etc., electricity is ensured with what kind of transmitting-receiving
Powering when source is long and effectively turns into key subjects.For example, sensor fixed part loosens, the deterioration of sensor adhesive, sensing
The failures such as device itself deterioration can cause monitoring system working condition abnormal.If these abnormal conditions can not be detected, it can cause
Determine signal bad, cause wrong diagnosis.
For example, in patent document 1, disclosing vibrating power-generation element, vibrating sensor, the vibration of wireless transmission means composition
Sensing system.Sensing system in patent document 1 is that the vibrational energy of measure object is converted into electric energy, is surveyed using sensor
The above-mentioned vibration of object is measured, vibration data is wirelessly transmitted.And for example, the sensor assembly disclosed in patent document 2,
It is that the sensor for detecting pressure oscillation is placed on substrate, electronic component and antenna are installed in its top.Biography in patent document 2
The signal that pressure sensor module is measured can be passed through antenna transmission by sensor module in the case where losing very little.Patent document 3
Invention by converting mechanical energy into the generating element of AC energy, and AC energy is converted to the translation circuit of direct current energy
Constitute, what generating element was utilized is vibrating power-generation element, and direct current energy is converted into AC energy.Patent document 3 utilizes building
The vibrating power-generation of thing, the electric energy of storage is used for sensor etc..Patent document 5,6 is the data acquisition method on wireless senser
Invention.
However, the sensing system disclosed in patent document 1-4 is all the mechanical energy using object, i.e. vibration is sent out
Electricity, sensor and system be powered.If being positioned over the small place of vibration class, the electric energy that mechanical energy is transformed
Sufficient electric power can not be provided for sensor.Or, in general building and the vibration class of equipment are changes, cause vibration
Generate electricity obtained unstable power.Although there is the motion of electrical storage device, there is increase expense and electrical storage device degradation failure etc.
Problem.Patent document 5,6 discloses how the method for providing the measuring system that a large amount of wireless sensers are constituted stable electric power.
Moreover, without reference to can easily confirm whether wireless sensor system occurs abnormal hand in patent document 1-6
Section.If exception occurs for sensing system, and (sensor base loosens, and wiring is bad, the deterioration of sensor adhesive, and sensor is certainly
Body is deteriorated in amplifier failure), bad signal will be measured, causes the results such as wrong diagnosis.
In addition, using in the case of photronic, having at the weaker place of natural light (below tunnel internal or bridge etc.) or
The difficult points such as night photo-voltaic power generation amount deficiency.
On the self diagnosis of sensor, the invention disclosed in document 7 uses load generator with off-line form, and load is straight
Connect and act on acceleration transducer, whether diagnostic sensor can make normal reaction.The invention disclosed of document 8 will with off-line form
With acceleration transducer signals identical analog signal input circuit, whether diagnosis can be in regular event.The invention disclosed of document 9
By the Signals Data Base of acceleration transducer, acceleration transducer is judged by the difference degree of signal frequency and fundamental frequency
It is abnormal.The invention disclosed of document 10 is diagnosed with off-line form, and AE sensors receive the ultrasonic wave of piezoelectric element transmitting, pass through
Whether the output signal grade diagnostic sensor that have received the AE sensors of the signal is abnormal.
These look-ahead techniques are all offline diagnosis in addition to document 9, offline to the application such as object bridge, tunnel of the present invention
Diagnosis is difficult.Moreover, the diagnostic method of document 9 only can confirm that the true and false of data, biography only can not be diagnosed by the method
Whether sensor is abnormal.
The detection method of sensor of the invention system is around sensor, load hair is installed in outside or inside configuration
Raw part, load is produced using the part, and the load is the load (vibration etc.) that check object sensor can be measured, and utilizes this
Means can realize the whether abnormal inline diagnosis of sensor at diagnosis scene, different from document 7-10 methods describeds.
The content of the invention：
What Condition monitoring and diagnosis was needed to use is carried out to building and equipment it is an object of the invention to provide a kind of
These sensing systems are provided stable electric power (power supply) and supplied by sensing system, and there is provided electricity in order to prevent wrong diagnosis
Source system and the effective ways of system abnormality sensor detection.
1, it is a feature of the present invention that containing following steps successively：
Step (1)：The system of one radio detection of design, diagnosis building or vibration equipment state parameter, hereinafter referred to as
System, contains：Measurement part and diagnosis of partial, wherein：
Contain measurement part：One photocell subsystem, at least one sensor element, at least one load generation part
And a first wireless receiving and dispatching part, wherein：
Sensor element is made up of a wireless senser, hereinafter referred to as sensor, and the sensor has two signals defeated
Enter end：The input of first cutting load testing signal for load generation part input；Second position is anti-, reflect the building
The vibration signal input of thing or vibration equipment state；
Load generation part, is whether a kind of running status for detecting the sensor based part occurs abnormal nothing
Line traffic control standard load generator, is placed in around or within the sensor, and described negative to the corresponding sensor output
Lotus detects signal, to detect whether the sensor is in normal condition.The load generation part is by a vibrational loading
Generator and a wireless transceiver circuit interconnection composition；
First wireless receiving and dispatching part, is a wireless signal transmission circuit, is provided with：With the control of the load generation part
Enabling signal output end that signal input part is wirelessly connected, the wireless sensing signal being connected with sensor output input
End, the first wireless receiving and dispatching part is battery powered；
Photocell subsystem, is the radio detection for building state parameter and diagnosis, contains：At least one photoelectricity
The photocell output voltage automatic measurement that pond, a photocell automatic optoelectronic circuit and one launch with analog/digital conversion and carrier wave
Circuit, wherein：Photocell automatic optoelectronic circuit is received by a light projector and a wireless control signal and change-over circuit is interconnected
Form.The light projector is comprised at least：Any lighting source including illuminating lamp, searchlight, floodlight, optically focused.To institute
State photocell and input light energy is provided, light projector starts after control signal, sent to the control signal input of the light projector
One light projector enabling signal.The light projector is opened, light energy is inputted to the photocell.
Photocell output voltage automatic measurement circuit is successively by a DC voltage measuring circuit and an A/D converter
Composition, measures photocell output voltage values by the first wireless receiving and dispatching part with one and is output to diagnosis of partial.
Diagnosis of partial contains：Second wireless receiving and dispatching part, signal acquisition part, diagnostic process part and controller, wherein：
Second wireless receiving and dispatching part is wirelessly radio interconnected with the first wireless receiving and dispatching part, is received from described first
Receive to timesharing the photronic output voltage values respectively in hair part.The cutting load testing letter of the load generation part output
Number and the sensing output signal that whether normally runs of expression sensor that exports of the sensor, also to first wireless receiving and dispatching
Part exports the startup control signal of the light projector, and respectively timesharing the first wireless receiving and dispatching part receiving part send
The startup control signal of the load generation part and sensor element；
Signal acquisition part is a holder, and collection comes from the photoelectricity in real time from the second wireless receiving and dispatching part
Output voltage values, cutting load testing signal and the sensing output signal in pond, and show on a display screen；
Controller is a microprocessor, is interconnected respectively with the signal acquisition part and the second wireless receiving and dispatching part, and
It is equipped with following state modulator：The allowable error scope of the photronic output voltage a reference value and light part；The building
The scope of the bound threshold voltage of the parameter of the vibration of constitution equipment；Measurement part described in the controller wireless receiving is successively
The real-time measurement values for the photocell output voltage sent by first, second two wireless receiving and dispatching parts, with the side of setting control
Method judges whether that demand sends startup control signal to the light projector, also receives cutting load testing signal and sensing output signal is sentenced
Whether disconnected the load generation part and sensor can normally run.And all differentiation results are shown on a display screen.
Step (2) is according to the following steps：With tested state parameter threshold of the off-line state by the given building or equipment
Value is interval to select the load generation part and sensor that can match with respective input, output parameter respectively, and step is as follows：
Step (2.1) selects sensor：The input parameter of the sensor most urine is less than or equal to the tested shape
State parameter minimum value, and the sensor that output parameter maximum is more than or equal to the tested state parameter maximum is sensed,
Accordingly obtain the input parameter maximum and minimum value of the sensor.
Step (2.2) selects load generation part：The minimum value of the cutting load testing signal of the load generation part output
It is greater than or equal to the sensing input parameter minimum value, and the maximum of the load generation part is less than or equal to described pass
The input parameter maximum of sensor, accordingly obtains the minimum value and maximum of the cutting load testing signal of the load generation part output
Value；
Step (3)：According to the building or the bound threshold interval of the vibrational state parameter of equipment, step
(2.1) sensor configuration described in is on a measuring point, load generation part described in one step (2.2) of configuration accordingly.
Sensor and the load generation part at least one, and paired one integral piece configuration；
Step (4)：In the real system that step (2)~step (3) is built, the controller is real according to the following steps successively
The vibration parameters of existing radio detection building or equipment：
Step (4.1)：The controller is input to the items of described information acquisition component from described information acquisition component
Described preset parameter, the cycle of operation value also set；
Step (4.2)：Setting control method as described in step (2).The sensor is the light after real-time input
Cell output voltage value is compared with a reference value set, it is known that both differences fall into the voltage error scope of described permission
When interior, pass sequentially through described second, the one or two wireless receiving and dispatching part, wireless receiving and change-over circuit and sent out to the light projector
Go out to stop the control signal of printing opacity；
Step (4.3)：The controller wirelessly sends enabled instruction to the load generation part, system is entered detection
State；
If：The value of the sensing output signal of the sensor is in the maximum described in step (2.1) and the closed zone of minimum value
In, then the sensor belongs to normal operating condition, is transferred to step (4.4)；
If：The sensor no signal is exported, then the sensor cisco unity malfunction, then the load generation part
Unloaded with sensor as an entirety and change supporting standby load generation part and sensor into, step (4.3) is carried out again, directly
Untill sensor can normally be run
Step (4.4)：The load generation part that the controller is obtained from step (4.3) enters resting state
Step (4.5)：The sensor that can normally run that the controller starting step (4.3) obtains, successively by following
Step is detected and diagnosed to the tested status parameter values：
Step (4.5.1)：At the t=0 moment, building is gathered in real time or the vibrational waveform of equipment is drawn the sampling period, really
Fixed sample interval.The vibrational waveform as the load generation part startup control signal and store arrive buffer.
Step (4.5.2)：In t=△ t1Collection represents building or the sensing output signal of vibration equipment state；
If：△t1The sensing output signal at moment represents the sensor fortune in the upper lower limit value voltage range in setting
Row is normal, the building or equipment also normal operation；
If：△t1The sensing output signal at moment is equal to or, more than set vibration parameters maximum, is then diagnosed as one
, send alarm signal；
Step (4.5.3)：Step (4.5.2) is repeated untill the cycle of operation of setting
The two of the feature of the present invention are that the state parameter also at least includes：Acceleration, speed.Displacement shape degree, temperature
Degree, elastic wave, sound hair.Any one including sound equipment.
The three of the feature of the present invention are that diagnosis of partial is powered by a single photocell subsystem, photocell output
The corresponding fan-in of domain controller is connected by the output of voltage measuring value.The light projector of the controller starts control signal
Output end is directly connected to the control signal input of the light projector.
The invention has the advantages that：
1. carrying out radio detection and diagnosis automatically for the single key state parameter of building or equipment, it is more suitable for
Operating personnel are difficult or are not suitable for into the area entered, are detected and are diagnosed more particularly, to sensor.
2. carried out automatically for building or the state parameter of multiple different manifestations of equipment the detection of wireless and concentrating type and
Diagnosis.
3. for single key status parameters in the multiple distributed devices or part of the same type in building or equipment
Or wireless monitor and the diagnosis of multiple different types of key status parameters progress concentrating types, the distributed devices that are particularly suitable for use in,
In part or production line in combined debugging and first operation.
4. method of the present invention is to building (bridge, tunnel, building etc.) and equipment (pipeline, tank, harbour
Machinery) when carrying out Condition monitoring and diagnosis, for measurement diagnostic signal (vibration signal and deformation signal etc.) use it is a large amount of wireless
Sensor provides stable electric power (power supply), abnormal anti-by detecting when sensor (including amplifier and wiring) occurs abnormal
Only wrong diagnosis, reduces the maintenance works such as battery altering, sensor inspection and systems inspection, can improve, improve to greatest extent
The reliability for the diagnostic device system that need to be used for a long time.
Brief description of the drawings：
Fig. 1：The program flow chart of the present invention.
Fig. 2：The system principle diagram of the present invention.
Fig. 3：The station acquisition schematic diagram of sensor and load generation part.
Fig. 4：Light projector carries out photocell V diagram before and after light irradiation to photocell.
Fig. 5：The example schematic checked using vibration signal vibrating sensor.
Fig. 6：The example schematic checked using vibration signal AE sensors.
Fig. 7：Wireless monitor diagnoses office building central air-conditioning and is for what each office room temperature carried out wireless monitor diagnosis
System theory diagram.
Fig. 8：Displacement to the last interest-bearing guide rail of production line carries out the system principle diagram of wireless monitor and diagnosis.
Fig. 9：Wireless monitor, diagnosis building different type state parameter system principle diagram.
Embodiment：
The position relationship of sensor element, load generation part and reserve load generation part is as shown in Figure 3.Fig. 3 (a)
It show load generation part and the overlapping schematic diagram being placed in above sensor of reserve load generation part.Fig. 3 (b) show negative
Lotus generation part and the overlapping schematic diagram for being placed in sensor proximity of reserve load generation part.Fig. 3 (c) show load generating unit
Part and the not overlapping schematic diagram for being placed in sensor proximity of reserve load generation part.Fig. 3 (d) show load generation part and standby
The schematic diagram of sensor internal is placed in load generation part.
Fig. 4 is light projector to the photoelectricity cell voltage exemplary plot after photocell pre-irradiation.Photronic voltage shines in light projector
It is about 0.7V before penetrating, after light projector irradiation, photocell magnitude of voltage rises to voltage 5V needed for sensor (including amplifier).
Embodiment 1：When the present invention is for wireless monitor, the vibration parameters of diagnosis building：
Fig. 5 is that the load generation part (vibration machine) consistent with Fig. 3 (a) and reserve load generation part are (standby to shake
Dynamic generator), it is overlapping be placed in above vibrating sensor (acceleration transducer) in the case of, accelerate before and after vibration machine action
The time domain waveform and frequency spectrum exemplary plot for the vibration signal that degree sensor is detected.These examples are illustrated below.
Fig. 5 (a) (b) is time domain waveform and frequency spectrum that acceleration transducer is measured before vibration machine is acted.Now, no
Specify whether sensor occurs exception.
Fig. 5 (c) (d) be vibration machine action after, the time domain waveform for the no exceptions that acceleration transducer is measured and
Frequency spectrum example.Now, the foundation of sensor no exceptions is that have 2mv peak value at spectrogram 150Hz.
Fig. 5 (e) (f) is generation exception (the acceleration transducer magnetic that acceleration transducer is measured after vibration machine is acted
Seat loosen example) time domain waveform and frequency spectrum example.Now, abnormal foundation, which occurs, for sensor is, spectrogram and normal spectrogram
(d) compare, change greatly.That is there is 11.18mv peak value at 120Hz.
After Fig. 5 (g) (h) is vibration machine action, generation that acceleration transducer is measured it is abnormal (acceleration transducer from
Bearing completely falls off example) time domain waveform and frequency spectrum example.Now, abnormal foundation, which occurs, for sensor is, spectrogram with just
Normal spectrogram (d) is compared, and is changed greatly.That is there is 26.9mv peak value at 137Hz.
Fig. 5 (i) (j) is that the generation that acceleration transducer is measured is abnormal, and (acceleration transducer connects after vibration machine is acted
The bad example of linear contact lay) time domain waveform and frequency spectrum example.Now, abnormal foundation, which occurs, for sensor is, spectrogram and normal frequency
Spectrogram (d) is compared, and is changed greatly.That is the peak value without 2mv sizes at 150Hz.
Fig. 6 is that the load generation part (vibration machine) consistent with Fig. 3 (c) and reserve load generation part are (standby to shake
Dynamic generator) it is not overlapping be placed in AE sensors (acceleration transducer) nearby in the case of, AE sensors under various regimes, shake
The time domain waveform and frequency spectrum exemplary plot for the AE signals that AE sensors are detected before and after dynamic generator action.These examples are entered below
Row explanation.
Fig. 6 (a) (b) is time domain waveform and frequency spectrum that AE sensors are measured before vibration machine is acted.Now, it is indefinite
Whether sensor occurs exception.
Fig. 6 (c) (d) is the time domain waveform and frequency spectrum of the no exceptions that AE sensors are measured after vibration machine is acted
Example.Now, the foundation of sensor no exceptions is that have 12mv peak value at spectrogram 62Hz.
Fig. 6 (e) (f) is generation exception (AE sensors and the testee that AE sensors are measured after vibration machine is acted
Between loose contact example) time domain waveform and frequency spectrum example.
Now, it is that spectrogram is changed greatly compared with normal spectrogram (d) that abnormal foundation, which occurs, for sensor.That is 69Hz
There is 1.9mv peak value at place.
Fig. 6 (g) (h) is that the generation that AE sensors are measured is abnormal, and (AE sensor wires are bad after vibration machine is acted
Example) time domain waveform and frequency spectrum example.Now, abnormal foundation, which occurs, for sensor is, spectrogram and normal spectrogram (d) phase
Than changing greatly.That is there is 0.15mv peak value at 23Hz.
Embodiment 2：It is described negative when the central air-conditioning that the present invention is used in office block wirelessly adjusts the room temperature of each office
Lotus generating device and wireless senser package count are equal to official rooms number.According to the load generating device and wireless senser
Interval, hereinafter referred to as component, the corresponding table provided with reference numerals-room number, each component is the room for indicating room number
Temperature value is wirelessly input to the first wireless receiving and dispatching part and is flagged with same room numbering input port, through corresponding output port, with same
The method of sample is after the second wireless receiving and dispatching part, and the house temperature for respectively indicating room number to controller output in real time is defeated
Go out value.Compared with the setting control method with the room temperature controlling value of correspondence room number, the temperature gap that should be risen or should drop
With indicate the room temperature control signal form of room number through be equally flagged with the second wireless receiving and dispatching part of room number output,
Office's airconditioning control signal input port that input port is sent in the room of the numbering carries out room temperature regulation.Firstth,
Router between 2 two wireless receiving and dispatching parts plays route and is oriented to and signal relaying action.See accompanying drawing 7.Therefore, it is of the invention
It is also applied for the detection of wireless colony formula, the centralized Control problem of diagnosis of at least one state parameter of building.Wherein：Sensor
It is temperature sensor, the load generation part is semiconductor refrigerating heating installation.
Embodiment 3：When the present invention is used for the Stroke Control of last machine tool guideway of production line, control object is guide rail position
Move, executive component is automatically controlled worm-gear-worm formula position that guide rail motor, load generation part are mounted on guide rail sliding platform
Shift generator.Sensor is displacement transducer.The input of first, second two wireless receiving and dispatching elements, output port are all marked
There are lathe numbering and corresponding guide rail numbering.Router is oriented to by lathe and guide rail numbering.Guide rail displacement data signal and lead
Rail Stroke Control signal is labeled with the rated travel value that corresponding lathe numbering and corresponding guide rail are numbered.It is same to use positioning
Control mode controls guide rail stroke.It is suitable at least one state parameter in each distributed apparatus on production line
Wireless monitor and diagnosis.Power supply is production line DC current and center control negative terminal electric current respectively
Embodiment 4：It is suitable for wireless monitor and the diagnosis of at least one state parameter of building or equipment.
Except that：Each load generation part indicates the numbering of each state parameter, the input of first, second wireless receiving and dispatching part,
Output port indicates the numbering of state parameter, and router is oriented to by state parameter numbering.
Claims (8)
1. the method for radio detection, diagnosis building or equipment status parameter, it is characterised in that contain following steps successively：
Step (1)：The system of one radio detection of design, diagnosis building or vibration equipment state parameter, hereinafter referred to as system,
Contain：Measurement part and diagnosis of partial, wherein：
Contain measurement part：One photocell subsystem, at least one sensor element, at least one load generation part and
One the first wireless receiving and dispatching part, wherein：
Sensor element is made up of a wireless senser, hereinafter referred to as sensor, and the sensor has two signal input parts：
The input of first cutting load testing signal for load generation part input；Second is to reflect the building or set
The vibration signal input of standby vibrational state；
Load generation part, is whether a kind of running status for detecting the sensing based part occurs abnormal controlled in wireless
Formula load generator, is placed in around or within the sensor, and exports the cutting load testing to the corresponding sensor
Signal, to detect whether the sensor is in normal condition, the load generation part is by a vibrational loading generator
With a wireless transceiver circuit interconnection composition；
First wireless receiving and dispatching part, is a wireless signal transmission circuit, is provided with：With the control signal of the load generation part
Enabling signal output end that input is wirelessly connected, the wireless sensing signal input part being connected with the sensor output, institute
The first wireless receiving and dispatching part is stated to be battery powered；
Photocell subsystem, is the radio detection for building state parameter and diagnosis, contains：At least one photocell,
One photocell automatic power supply circuit and a photocell output voltage automatic measurement electricity launched with analog/digital conversion and carrier wave
Road, wherein：Photocell automatic power supply circuit received by a light projector and wireless control signal and change-over circuit interconnection and
Into the light projector comprises at least any lighting source including illuminating lamp, searchlight, floodlight, optically focused, to the light
Battery provides input light energy, and the wireless control signal is received and change-over circuit is received after startup control signal, to the nothing
Line control signal is received and change-over circuit receives input and sends a light projector enabling signal, the light projector is opened, to institute
Photocell input light energy is stated, light projector also allows to be generated electricity from manual operations to photocell light projector simultaneously,
Photocell output voltage automatic measurement circuit is successively by a DC voltage measuring circuit and an A/D converter group
Into, to be output to diagnosis of partial photocell output voltage values are measured by the first wireless receiving and dispatching part,
Diagnosis of partial is powered by distributed DC power, and is contained：Second wireless receiving and dispatching part, signal acquisition part and control
Device, wherein：
Second wireless receiving and dispatching part is wirelessly radio interconnected with the first wireless receiving and dispatching part, from first receiving and transmitting part
Receive the photronic output voltage values, the cutting load testing signal and the biography of the load generation part output in part in real time
The sensing output signal whether the expression sensor of sensor output normally runs, it is also defeated in real time to the first wireless receiving and dispatching part
Go out the startup control signal of the light projector, the load generation part and sensor element startup control signal；
Signal acquisition part is a holder, and collection in real time is from described photronic from the second wireless receiving and dispatching part
Output voltage values, cutting load testing signal and sensing output signal, and show on a display screen；
Controller is a microprocessor, is interconnected respectively with the signal acquisition part and the second wireless receiving and dispatching part, and be equipped with
Following state modulator：The photronic output voltage a reference value and photronic allowable error scope；The building structure
The scope of the bound threshold voltage of the parameter of the vibration of forming apparatus；Measurement part is passed through successively described in the controller wireless receiving
The real-time measurement values for the photocell output voltage that first, second two wireless receiving and dispatching parts are sent are crossed, in the method for setting control
Judge whether to need to send startup control signal to the light projector, also receive cutting load testing signal and sensing output signal judges
Whether the load generation part and sensor can normally run, and show all differentiation results on a display screen,
Step (2) is according to the following steps：With tested state parameter threshold zone of the off-line state by the given building or equipment
Between come select respectively with respective input, output parameter the load generation part and sensor that can match, step is as follows：
Step (2.1) selects sensor：The input parameter minimum value of the sensor is less than or joined equal to the tested state
Number minimum value, and output parameter maximum is sensed more than or equal to the tested state parameter maximum, accordingly obtain described
The input parameter maximum and minimum value of sensor.
Step (2.2) selects load generation part：The minimum value of the cutting load testing signal of the load generation part output is big
In or equal to the sensing input parameter minimum value, and the maximum of the load generation part is less than or equal to the sensor
Input parameter maximum, accordingly obtain the minimum value and maximum of the cutting load testing signal of load generation part output；
Step (3)：According to the building or the bound threshold interval of the vibrational state parameter of equipment, in step (2.1)
The sensor configuration is on a measuring point, load generation part, the sensing described in one step (2.2) of configuration accordingly
Device and load generation part it is each at least one, and paired configured in one piece；
Step (4)：In the real system that step (2)~step (3) is built, the controller realizes nothing according to the following steps successively
Line detects building or the vibration parameters of equipment：
Step (4.1)：The controller is from described information acquisition component by input through keyboard to described information acquisition component
Preset parameter described in items, the cycle of operation value also set；
Step (4.2)：Setting control method as described in step (2), the controller is defeated the photocell inputted in real time
Go out magnitude of voltage compared with a reference value set, when both differences are fallen into the range of the voltage error of the permission, according to
It is secondary by described second, the one or two wireless receiving and dispatching part, wireless receiving and change-over circuit send stopping to the light projector
The control signal of light projector；
Step (4.3)：The controller wirelessly sends enabled instruction to the load generation part, system is entered detection shape
State；
If：The value of the sensing output signal of the sensor in the maximum and the closed interval of minimum value described in step (2.1),
Then the sensor belongs to normal operating condition, is transferred to step (4.4)；
If：The sensor no signal output, then sensor or load the generation part cisco unity malfunction, then bear described
Lotus generation part and sensor are unloaded as an entirety changes supporting standby load generation part and sensor, repeat step into
(4.3), untill sensor can normally be run,
Step (4.4)：The controller makes to enter dormancy from the load generation part that step (4.3) or step (4.4) are obtained
State,
Step (4.5)：The controller starts the sensor that can normally run, and the tested state is joined according to the following steps successively
Numerical value is detected and diagnosed：
Step (4.5.1)：In t=t0At the moment, building is gathered in real time or the vibrational waveform of equipment draws the sampling period, it is determined that adopting
Sample interval, the vibrational waveform as the load generation part startup control signal and store arrive buffer,
Step (4.5.2)：In t1=t0+△t1Collection represents building or the sensing output signal of vibration equipment state；
If：t1The sensing output signal at moment represents the sensor normal operation, institute in the upper lower limit value voltage range of setting
State building or equipment also normal operation；
If：t1The sensing output signal at moment is equal to or, more than set vibration parameters maximum, is then diagnosed as exception, sends
Alarm signal；
Step (4.5.3)：Step (4.5.2) is repeated untill the cycle of operation of setting.
2. the method for wireless monitor according to claim 1, diagnosis building or equipment status parameter, it is characterised in that
The state parameter also at least includes：Appointing including acceleration, speed, displacement, deformation, temperature, elastic wave, sound transmitting, sound equipment
What is a kind of.
3. the method for wireless monitor according to claim 1, diagnosis building or equipment status parameter, it is characterised in that make
With it is following a) and following at least one of b) means carry out Condition monitoring and diagnosis to object：
A) generation electric power is irradiated to the photocell using light projector one or more described, to the measurement part
The light projector generating means of electric power are provided；
B) the use of the load generation part is whether abnormal inspection diagnostic means to the measurement part.
4. according to claim 1 wireless monitor, diagnosis building or equipment status parameter method, it is characterised in that when
Wireless monitor, diagnosis be a building or equipment crucial state parameter when, described method is exactly a kind of wireless
The method of the concentrating type state parameter of monitoring, one building of diagnosis or an equipment, load generating device and wireless senser
The component of composition is exactly a concentrating type load generating device and wireless sensing for corresponding respectively to each key status parameters
The component combination of device, photocell subsystem is branch's formula photocell subsystem；First, second two wireless receiving and dispatching parts are
One multi input, multi output interface unit with same-interface number, are received and dispatched in the first wireless receiving and dispatching part and second
A self-powered router is connected between part, the input, output signal to described two wireless receiving and dispatching parts play state
The route guide effect and signal relaying action of parameter-type signal.
5. the method for wireless monitor according to claim 1, diagnosis building or equipment status parameter, it is characterised in that
The building is an office building freezed by central air-conditioning, and state parameter is each indoor temperature, the shape for being monitored, diagnosing
State parameter is the temperature of each office, and described method is exactly a kind of wireless prison of centralization of state parameter of distributed temperature
Survey, diagnostic method, state parameter is the temperature for indicating each office address, and the load generation part is that semiconductor refrigerating is supplied
Heater device, the sensor is indoor temperature transmitter, and first, second wireless receiving and dispatching part is with same-interface number
Multi input, multi output interface unit, one is connected between the first wireless receiving and dispatching part and the second wireless receiving and dispatching part
Router, to described two wireless receiving and dispatching parts input, output signal rise input/output signal interface IP address guide effect and
Signal relaying action.
6. the method for wireless monitor according to claim 1, diagnosis building or equipment status parameter, it is characterised in that
The equipment is lathe, and state parameter is guide rail position, and the load generation part is mounted on machine tool guideway sliding platform
The worm-gear-worm formula displacement generator driven by motor, the sensor is mechanical displacement sensor, and described method is exactly
A kind of centralized wireless monitor, the diagnostic method of distributed machine tool guideway displacement state parameter, state parameter are to indicate this guide rail
Locus state parameter, first, second two wireless receiving and dispatching parts all have same-interface number, in first receiving and transmitting part
A lathe numbering router is connected between part and the second transceiver unit, to the inputting of two wireless receiving and dispatching parts, defeated
Go out signal and play address guide effect and signal relaying action.
7. the method for the wireless monitor, diagnosis building or equipment status parameter according to claim 1,3/4/5, its feature
It is, diagnosis of partial is powered by a single photocell subsystem, and the output of photocell output voltage measured value will be with control
The corresponding input/output terminal of device is connected, and the light projector of the controller starts control signal output and is directly connected to the light projector
The control signal input of device.
8. the method for wireless monitor according to claim 1, diagnosis building or equipment status parameter, it is characterised in that
The load generation part is to produce the vibrating mass of vibration, and the sensor is vibration displacement sensor or vibration velocity
Sensor or vibration acceleration sensor or AE are also referred to as sound transmitting, Acoustic Emission sensors or stress sensing
Device.
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| CN114562051A (en) * | 2022-03-25 | 2022-05-31 | 魏陈熙 | Networked building vibration isolation support with adjustable damping assembly and system |
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| CN107024270B (en) | 2019-08-23 |
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