CN106885623A - A kind of sensing device for detecting the electroluminescent vibration of electrical equipment - Google Patents
A kind of sensing device for detecting the electroluminescent vibration of electrical equipment Download PDFInfo
- Publication number
- CN106885623A CN106885623A CN201710085868.XA CN201710085868A CN106885623A CN 106885623 A CN106885623 A CN 106885623A CN 201710085868 A CN201710085868 A CN 201710085868A CN 106885623 A CN106885623 A CN 106885623A
- Authority
- CN
- China
- Prior art keywords
- sensing device
- vibration
- conduct vibrations
- sleeve
- isolation ward
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/02—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by magnetic means, e.g. reluctance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention provides the sensing device for detecting the electroluminescent vibration of electrical equipment, including：Isolation ward, detection sensor, conduct vibrations bar, sleeve, spring；Detection sensor is placed in isolation ward, and conduct vibrations bar is used to for electroluminescent vibration signal to reach detection sensor, and the front end of conduct vibrations bar is stretched out from the front end of sleeve, and spring is arranged in sleeve, the reciprocating motion for realizing conduct vibrations bar.Sensing device small volume for detecting the electroluminescent vibration of electrical equipment of the invention, it is lightweight, environment resistant is vibrated and the ability of ambient noise interference is strong, accuracy in detection is high, it is reproducible, detection efficiency is high, the faint electroluminescent vibration signal of electrical equipment can be detected, can be used in detecting the vibration characteristics of electrical equipment inside narrow regions, it is suitable for the electroluminescent vibration of the on-line checking electrical equipment in electrical equipment manufacturing process, apply also for detecting its electroluminescent vibration in the running of electrical equipment, so as to judge whether the working condition of electrical equipment is normal.
Description
Technical field
Filled the present invention relates to vibration detection technology field, more particularly to a kind of sensing for detecting the electroluminescent vibration of electrical equipment
Put.
Background technology
Electrical equipment would generally produce vibration in energization work, cause noise, and this vibration is referred to as the electroluminescent vibration of electrical equipment,
It is a key parameter for reflecting electric apparatus quality and electrical work state.Many electrical equipment will connect in the energized state before dispatching from the factory
Vibrated detection, to judge whether its quality is qualified, and whether vibration noise meets the noise criteria of regulation.Electroluminescent vibration detection is
Through the Main Means as quality control in electrical equipment production process.Electrical equipment workshop environment is complicated, exist various vibration sources and
Noise source, these ambient vibrations and ambient noise flood the electroluminescent vibration of electrical equipment sometimes.Therefore, existing sensor is being utilized
Instrument electrical equipment is dispatched from the factory before electroluminescent vibration detection when, surrounding enviroment vibration can severe jamming instrument testing result,
So as to influence the accuracy of detection, electric apparatus quality is caused to judge by accident.In order to overcome the influence of surrounding environment, many electrical equipment manufactures at present
The raw mode that factory is touched using staff or human ear is monitored carries out the electroluminescent vibration detection of electrical equipment, completes the quality control before dispatching from the factory
System.This manual detection mode not only needs well-trained testing staff, and belongs to qualitative detection, and detection efficiency is not high,
Testing result is easily by the emotion influence of people.
The content of the invention
(1) technical problem to be solved
In view of above-mentioned technical problem, the invention provides a kind of sensing device for detecting the electroluminescent vibration of electrical equipment, with gram
Take existing vibration detection device easily to be disturbed by ambient noise and ambient vibration, detection accuracy is not high, reliability is poor
The shortcomings of and original manual detection mode need staff training, can only qualitative detection, detection efficiency be relatively low, testing result is easy
By people emotion influence the shortcomings of.
(2) technical scheme
According to an aspect of the invention, there is provided a kind of sensing device for detecting the electroluminescent vibration of electrical equipment, including：Every
From room, detection sensor, conduct vibrations bar, sleeve, spring；Detection sensor is placed in isolation ward, and conduct vibrations bar is used for will
Electroluminescent vibration signal reaches detection sensor, and the front end of conduct vibrations bar is stretched out from the front end of sleeve, and spring is arranged in sleeve,
Reciprocating motion for realizing conduct vibrations bar.
(3) beneficial effect
From above-mentioned technical proposal as can be seen that the present invention for detect the sensing device of the electroluminescent vibration of electrical equipment at least have with
One of lower beneficial effect：
(1) sensing device of the invention is double with environment using conduct vibrations bar positioning contact detection mode and sensor probe
Layer isolation structure, effectively enhances the ability of the vibration of its environment resistant and ambient noise interference, and the degree of accuracy of detection is high, is suitable for
The electroluminescent vibration of on-line checking electrical equipment in electrical equipment manufacturing process；
(2) sensing device of the invention is by built-in spring structure, the length for being compressed spring in detecting each time
Keep identical, so that conduct vibrations bar and constant by the contact force between electricity measurer, it is to avoid due to the change of contact force
And the interference caused to testing result, improve the repeatability of detection；
(3) sensing device of the invention connects conduct vibrations bar and sonic transducer using flexible acoustic conduit, so as to be inspection
The vibration characteristics of electricity measurer inside narrow regions creates advantage；
(4) sensing device of the invention is using many conduct vibrations bars and the combining structure of Duo Gen acoustic waveguide tubes, Neng Goushi
Existing multiple spot detection, improves detection efficiency, increases detection signal intensity, can realize the inspection of electrical equipment Vibration Signal in Frequency Domain
Survey；
(5) sensing device of the invention is also adapted to detect its electroluminescent vibration in the running of electrical equipment, so as to judge
Whether the working condition of electrical equipment is normal；
(6) sensing device small volume of the invention, lightweight, uses more flexibly, has a wide range of application.
Brief description of the drawings
Fig. 1 is first embodiment of the invention for detecting the structural representation of the sensing device of the electroluminescent vibration of electrical equipment；
Fig. 2 is the in running order schematic diagram of sensing device in first embodiment of the invention；
Fig. 3 is second embodiment of the invention for detecting the structural representation of the sensing device of the electroluminescent vibration of electrical equipment；
Fig. 4 is the in running order schematic diagram of sensing device in second embodiment of the invention；
Fig. 5 is third embodiment of the invention for detecting the structural representation of the sensing device of the electroluminescent vibration of electrical equipment；
Fig. 6 is the in running order schematic diagram of sensing device in third embodiment of the invention；
Fig. 7 is fourth embodiment of the invention for detecting the structural representation of the sensing device of the electroluminescent vibration of electrical equipment；
Fig. 8 is the in running order schematic diagram of sensing device in fourth embodiment of the invention；
Fig. 9 is the structural representation of " one-to-two " transfer tube in fourth embodiment of the invention；
Figure 10 is fifth embodiment of the invention for detecting the structural representation of the sensing device of the electroluminescent vibration of electrical equipment；
Figure 11 is the in running order schematic diagram of sensing device in fifth embodiment of the invention；
Figure 12 is sixth embodiment of the invention for detecting the structural representation of the sensing device of the electroluminescent vibration of electrical equipment；
Figure 13 is the in running order schematic diagram of sensing device in sixth embodiment of the invention.
【Main element】
1- sleeves；
2- conduct vibrations bars；
3- springs；
4a- sonic transducers；4b- vibrating sensors；
5- isolation wards；
6- acoustic waveguide tubes；
61- " one point of N " transfer tube；
7- bearings；
8- signal processing chips；
9- is by electricity measurer.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, below in conjunction with specific embodiment, and reference
Accompanying drawing, the present invention is described in more detail.
First embodiment：
In first exemplary embodiment of the invention, there is provided a kind of sensing for detecting the electroluminescent vibration of electrical equipment is filled
Put.Fig. 1 is used to detect the structural representation of the sensing device of the electroluminescent vibration of electrical equipment for first embodiment of the invention, refers to Fig. 1,
A kind of sensing device for detecting the electroluminescent vibration of electrical equipment, including：Sleeve 1, conduct vibrations bar 2, spring 3, sonic transducer 4a, every
From room 5.
Sonic transducer 4a is fixed in isolation ward 5, its sense sound face just to the through hole of the front end of isolation ward 5, conduct vibrations bar 2
Rear end is inserted isolation ward 5 and is rested on before sonic transducer 4a from the through hole, and conduct vibrations bar 2 is fixed with isolation ward 5 and connected
Connect.Isolation ward 5 is placed in sleeve 1, and the front end of conduct vibrations bar 2 is stretched out from the front end of sleeve 1, and spring 3 is arranged in sleeve 1,
Reciprocating motion for realizing conduct vibrations bar, its one end withstands on the rear end of isolation ward 5, and the other end withstands on the limit of the rear end of sleeve 1
Position bottom land, isolation ward 5 can be slided in sleeve 1 under external force, and the isolation ward 5 can be by sleeve 1 after removing external force
Interior spring 3 automatically resets.
In the present embodiment, sensing device also includes bearing 7, signal processing chip 8.Sleeve 1 is fixed on bearing 7, letter
Number process chip 8 is realized electrically connecting with sonic transducer 4a by cable, for being powered to sonic transducer 4a and to sonic transducer 4a
The electric signal of generation is processed.
The conduct vibrations bar 2 is used to that electroluminescent vibration signal to be reached the sonic transducer in isolation ward, and it is metallic rod, stone
One kind in English glass rod, ceramic bar.Wherein, the metallic rod is the one kind in steel pole, copper bar, aluminium bar, aluminium alloy rod.It is described
Sonic transducer 4a can be in piezoelectric type sonic transducer, condenser type sonic transducer, electromagnetic type sonic transducer, optical profile type sonic transducer
One kind.Wherein, the condenser type sonic transducer can be electret capacitor type sonic transducer, and the optical profile type sonic transducer can
Think fibre-optical acoustic sensor.By taking fibre-optical acoustic sensor as an example, fibre-optical acoustic sensor is by optical fiber sonic probe, light source and photodetection
Device carries out light connects by optical fiber, and signal processing chip 8 carries out electricity with the light source and photodetector of fibre-optical acoustic sensor respectively
Connection, for being processed to light source power supply and to the electric signal that photodetector is produced.
Fig. 2 is the in running order schematic diagram of sensing device in first embodiment of the invention.Refer to Fig. 2, mobile branch
Seat 7 or by electricity measurer 9, makes the front end of the conduct vibrations bar 2 withstand on by the specified location of electricity measurer 9, and pressed spring 3
Preset length is reduced to, reaching its rear end by the conduct vibrations bar 2 by the electroluminescent vibration signal of electricity measurer 9 is converted to air-borne sound letter
Number, the air acoustical signal is received by sonic transducer 4a.The electric signal of sonic transducer 4a outputs is processed by signal processing chip 8.
So far, a kind of sensing device introduction for detecting the electroluminescent vibration of electrical equipment of first embodiment of the invention is finished.
Second embodiment：
In second exemplary embodiment of the invention, there is provided a kind of sensing for detecting the electroluminescent vibration of electrical equipment is filled
Put.Fig. 3 is used to detect the structural representation of the sensing device of the electroluminescent vibration of electrical equipment for second embodiment of the invention, as shown in figure 3,
Compared with first embodiment is used for the sensing device for detecting the electroluminescent vibration of electrical equipment, the difference of the sensing device of the present embodiment is：
Spring 3 is arranged in sleeve 1 and is enclosed within isolation ward 5, and one end of spring 3 is withstood in the projection of the front end of isolation ward 5, other end top
In the rear end of sleeve 1.
Fig. 4 is the in running order schematic diagram of sensing device in second embodiment of the invention.
In order to reach the purpose of brief description, any technical characteristic narration for making same application in above-mentioned first embodiment
All and in this, without repeating identical narration.
So far, a kind of sensing device introduction for detecting the electroluminescent vibration of electrical equipment of second embodiment of the invention is finished.
3rd embodiment：
In the 3rd exemplary embodiment of the invention, there is provided a kind of sensing for detecting the electroluminescent vibration of electrical equipment is filled
Put.Fig. 5 is used to detect the structural representation of the sensing device of the electroluminescent vibration of electrical equipment for third embodiment of the invention, as shown in figure 5,
Compared with the sensing device for detecting the electroluminescent vibration of electrical equipment of first embodiment, the difference of the sensing device of the present embodiment exists
In：
Also include acoustic waveguide tube 6, sonic transducer 4a is fixed in isolation ward 5, and its sense sound face just leads to the front end of isolation ward 5
Hole, one end of acoustic waveguide tube 6 is docked with the through hole, the rear end of other end connection conduct vibrations bar 2, signal processing chip 8 with
Sonic transducer 4a is electrically connected.
Sleeve 1 is fixed on bearing 7, and conduct vibrations bar 2 passes through sleeve 1, spring 3 to be placed in sleeve 1 and be enclosed within vibration and pass
On guide rod 2, one end of spring 3 is withstood in the projection of conduct vibrations bar 2, and the other end withstands on the rear end of sleeve 1, under external force
Conduct vibrations bar 2 can be slided along sleeve 1, and conduct vibrations bar 2 can be automatically reset by spring 3 after removing external force.
Acoustic waveguide tube 6 is flexible conduit, and the flexible conduit is plastic catheter, nylon conduit, rubber catheter, silica gel are led
Pipe, resin duct or teflon catheter.
Fig. 6 is the in running order schematic diagram of sensing device in third embodiment of the invention.Mobile support saddle 7 or tested electricity
Device 9, makes the front end of conduct vibrations bar 2 withstand on by the specified location of electricity measurer 9, and spring 3 is compressed to preset length, quilt
The electroluminescent vibration signal of electricity measurer 9 reaches its rear end and is converted to air acoustical signal by conduct vibrations bar 2, and the air acoustical signal is along sound
Waveguide 6 is transferred in isolation ward 5 and is received by sonic transducer 4a.The electric signal of sonic transducer 4a outputs is by signal processing chip 8
Treatment.
In order to reach the purpose of brief description, any technical characteristic narration for making same application in above-mentioned first embodiment
All and in this, without repeating identical narration.
So far, a kind of sensing device introduction for detecting the electroluminescent vibration of electrical equipment of third embodiment of the invention is finished.
Fourth embodiment：
In the 4th exemplary embodiment of the invention, there is provided a kind of sensing for detecting the electroluminescent vibration of electrical equipment is filled
Put.Fig. 7 is used to detect the structural representation of the sensing device of the electroluminescent vibration of electrical equipment for fourth embodiment of the invention, as shown in fig. 7,
Compared with the sensing device for detecting the electroluminescent vibration of electrical equipment of 3rd embodiment, the difference of the sensing device of the present embodiment exists
In：
Sensing device also includes " one point of N " transfer tube 61, and " one point of N " transfer tube 61 includes N number of branched pipe and a Heavenly Stems and Earthly Branches
Pipe.A set is provided with every conduct vibrations bar 2 in N root conduct vibrations bar (wherein N >=2, in the present embodiment N=2)
Cylinder 1, spring 3 is placed in sleeve 1 and is enclosed within conduct vibrations bar 2, and one end of spring 3 is withstood in the projection of conduct vibrations bar 2, separately
One end withstands on the rear end of sleeve 1, and conduct vibrations bar 2 can be slided along sleeve 1 under external force, remove conduct vibrations after external force
Bar 2 can be automatically reset by spring 3.The rear end of every conduct vibrations bar 2 connects an acoustic waveguide tube 6, every acoustic waveguide tube 6
The other end is connected with a branched pipe of " one point of N " transfer tube 61, and the Heavenly Stems and Earthly Branches pipe for being somebody's turn to do " one point of N " transfer tube 61 passes through acoustic waveguide tube 6
Through hole with the front end of isolation ward 5 is connected, and each sleeve pipe 1 is fixed on bearing 7.Signal processing chip 8 is electrically connected with sonic transducer 4a
Connect.Acoustic waveguide tube 6 be flexible conduit, can be plastic catheter, nylon conduit, rubber catheter, silica gel catheter, resin duct or
One or more in teflon catheter.
Fig. 8 is the in running order schematic diagram of sensing device in fourth embodiment of the invention, mobile support saddle 7 or tested electricity
Device 9, makes the front end of every conduct vibrations bar 2 withstand on by the different parts of electricity measurer 9, and spring 3 is compressed to default length
Degree, by being passed by corresponding conduct vibrations bar 2 with the electroluminescent vibration signal at those positions that conduct vibrations bar 2 is contacted for electricity measurer 9
Air acoustical signal is converted to its rear end, N number of air acoustical signal is transferred to " one point of N " transfer tube 61 along respective acoustic waveguide tube 6
Each branched pipe at, then converge to Heavenly Stems and Earthly Branches pipe, then quilt in isolation ward 5 is transferred to by the acoustic waveguide tube 6 connected with Heavenly Stems and Earthly Branches pipe
Sonic transducer 4a is received.The electric signal of sonic transducer 4a outputs is processed by signal processing chip 8.
Fig. 9 is the structural representation of " one-to-two " transfer tube in fourth embodiment of the invention, the material of " one-to-two " transfer tube
Expect to be metal or plastics.
In order to reach the purpose of brief description, any technical characteristic narration for making same application in above-mentioned 3rd embodiment
All and in this, without repeating identical narration.
So far, a kind of sensing device introduction for detecting the electroluminescent vibration of electrical equipment of fourth embodiment of the invention is finished.
5th embodiment：
In the 5th exemplary embodiment of the invention, there is provided a kind of sensing for detecting the electroluminescent vibration of electrical equipment is filled
Put.Figure 10 is used to detect the structural representation of the sensing device of the electroluminescent vibration of electrical equipment for fifth embodiment of the invention, such as Figure 10 institutes
Show, compared with the sensing device for detecting the electroluminescent vibration of electrical equipment of first embodiment, the difference of the sensing device of the present embodiment
It is：
Sonic transducer 4a is vibrated sensor 4b substitutions.Inserted from the through hole of the front end of isolation ward 5 rear end of conduct vibrations bar 2
It is fixedly connected with isolation ward 5 afterwards, vibrating sensor 4b is placed in isolation ward 5 and is fixed on the end face of conduct vibrations bar 2, is vibrated
The sensitive axes of sensor 4b are electrically connected parallel to conduct vibrations bar 2, signal processing chip 8 with vibrating sensor 4b.Sleeve 1 is fixed
On bearing 7, isolation ward 5 is placed in sleeve 1, and conduct vibrations bar 2 stretches out from the front end of sleeve 1.Spring 3 is arranged in sleeve 1, its
One end withstands on the rear end of isolation ward 5, and the other end withstands on the stopper slot bottom of the rear end of sleeve 1.Isolation ward 5 can under external force in set
Slided in cylinder 1, the isolation ward 5 can be automatically reset by the spring 3 in sleeve 1 after removing external force.
Figure 11 is the in running order schematic diagram of sensing device in fifth embodiment of the invention, mobile support saddle 7 or tested
Electrical equipment 9, makes the front end of the conduct vibrations bar 2 withstand on by the specified location of electricity measurer 9, and it is default to be compressed to spring 3
Length, reaches its rear end and is connect by the vibrating sensor 4b by the electroluminescent vibration signal of electricity measurer 9 by the conduct vibrations bar 2
Receive, the electric signal of vibrating sensor 4b outputs is processed by signal processing chip 8.
In order to reach the purpose of brief description, any technical characteristic narration for making same application in above-mentioned first embodiment
All and in this, without repeating identical narration.
So far, a kind of sensing device introduction for detecting the electroluminescent vibration of electrical equipment of fifth embodiment of the invention is finished.
Sixth embodiment：
In the 6th exemplary embodiment of the invention, there is provided a kind of sensing for detecting the electroluminescent vibration of electrical equipment is filled
Put.Figure 12 is used to detect the structural representation of the sensing device of the electroluminescent vibration of electrical equipment for sixth embodiment of the invention, such as Figure 12 institutes
Show, compared with the sensing device for detecting the electroluminescent vibration of electrical equipment of the 5th embodiment, the difference of the sensing device of the present embodiment
It is：
Sleeve 1 is fixed on bearing 7, and conduct vibrations bar 2 passes through sleeve 1, spring 3 to be placed in sleeve 1 and be enclosed within vibration and pass
On guide rod 2, one end of spring 3 is withstood in the projection of conduct vibrations bar 2, and the other end withstands on the rear end of sleeve 1, under external force
Conduct vibrations bar 2 can be slided along sleeve 1, and conduct vibrations bar 2 can be automatically reset by spring 3 after removing external force.Vibrating sensing
Device 4b is fixed on the rear end of conduct vibrations bar 2, and signal processing chip 8 is electrically connected with vibrating sensor 4b.
Figure 13 is the in running order schematic diagram of sensing device in fifth embodiment of the invention, mobile support saddle 7 or tested
Electrical equipment 9, makes the front end of conduct vibrations bar 2 withstand on by electricity measurer 9, and spring 3 is compressed to preset length, by electricity measurer 9
Electroluminescent vibration signal its rear end reached by the conduct vibrations bar 2 received by the vibrating sensor 4b, vibrating sensor 4b
The electric signal of output is processed by signal processing chip 8.
In order to reach the purpose of brief description, any technical characteristic narration for making same application in above-mentioned 5th embodiment
All and in this, without repeating identical narration.
So far, a kind of sensing device introduction for detecting the electroluminescent vibration of electrical equipment of sixth embodiment of the invention is finished.
In sum, the detection sensor for being used in sensing device of the invention is sonic transducer or vibrating sensor, sheet
The sensing device small volume for detecting the electroluminescent vibration of electrical equipment of invention, lightweight, environment resistant is vibrated and ambient noise interference
Ability is strong, and accuracy in detection is high, reproducible, and detection efficiency is high, can detect the faint electroluminescent vibration signal of electrical equipment, Neng Gouyong
In the vibration characteristics of detection electrical equipment inside narrow regions, it is suitable for the electroluminescent of on-line checking electrical equipment in electrical equipment manufacturing process and shakes
It is dynamic, apply also for detecting its electroluminescent vibration in the running of electrical equipment, so as to judge whether the working condition of electrical equipment is normal.
It should be noted that in accompanying drawing or specification text, the implementation for not illustrating or describing is affiliated technology
Form known to a person of ordinary skill in the art, is not described in detail in field.Additionally, the above-mentioned definition to each element and method is simultaneously
Various concrete structures, shape or the mode mentioned in embodiment are not limited only to, those of ordinary skill in the art can carry out letter to it
Singly change or replace, for example：
(1) spring, can also be in the form of extension spring in addition in the form of the compression spring；Using stretching bullet
In the case of spring, spring should be placed in barrel forward end；
(2) conduct vibrations bar is except that with addition to solid hopkinson bar, can also use the metal tube or earthenware or glass tube of both ends open
To replace；Can be bell shape with one end of tested relay contacts when the conduct vibrations bar using tubulose；
Also, it should be noted that the demonstration of the parameter comprising particular value can be provided herein, but these parameters are without definite etc.
In corresponding value, but analog value can be similar in acceptable error margin or design constraint.The side mentioned in embodiment
To term, for example " on ", D score, "front", "rear", "left", "right" etc., be only the direction of refer to the attached drawing, not for limiting this
The protection domain of invention.Additionally, unless specifically described or the step of must sequentially occur, the order of above-mentioned steps has no and is limited to
It is listed above, and can change or rearrange according to required design.And above-described embodiment can be based on design and reliability
Consider, be mixed with each other collocation using or used with other embodiment mix and match, i.e., the technical characteristic in different embodiments can be with
Freely form more embodiments.
Although additionally, it will be appreciated by those of skill in the art that some embodiments described herein include other embodiments
In included some features rather than further feature, but the combination of the feature of different embodiments means in of the invention
Within the scope of and form different embodiments.For example, in the following claims, embodiment required for protection is appointed
One of meaning mode can be used in any combination.
It should be noted that running through accompanying drawing, identical element is represented by same or like reference.In the above description,
Some specific embodiments are only used for describing purpose, and should not be construed has any limitation to the present invention, and simply the present invention is real
Apply the example of example.When the understanding of the present invention may be caused to cause to obscure, conventional structure or construction will be omitted.It should be noted that figure
In the shape and size of each part do not reflect actual size and ratio, and only illustrate the content of the embodiment of the present invention.
Particular embodiments described above, has been carried out further in detail to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail bright, should be understood that and the foregoing is only specific embodiment of the invention, be not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc., should be included in guarantor of the invention
Within the scope of shield.
Claims (15)
1. a kind of sensing device for detecting the electroluminescent vibration of electrical equipment, it is characterised in that including：
Isolation ward；
Detection sensor, is placed in isolation ward；
Conduct vibrations bar, for electroluminescent vibration signal to be reached into detection sensor；
Sleeve, the front end of conduct vibrations bar is stretched out from the front end of sleeve；
Spring, is arranged in sleeve, the reciprocating motion for realizing conduct vibrations bar.
2. sensing device according to claim 1, it is characterised in that the detection sensor is that sonic transducer or vibration are passed
Sensor.
3. sensing device according to claim 2, it is characterised in that sonic transducer is fixed in isolation ward, its sense sound face
Just to the through hole of isolation ward front end.
4. sensing device according to claim 3, it is characterised in that isolation ward is placed in sleeve, after conduct vibrations bar
End is inserted isolation ward and is rested on before sonic transducer from the through hole, and conduct vibrations bar is fixedly connected with isolation ward.
5. sensing device according to claim 4, it is characterised in that
One end of spring withstands on the rear end of isolation ward, and the other end withstands on the rear end of sleeve；Or,
On isolation ward, one end of spring withstands in the projection of isolation ward front end spring housing, and the other end withstands on the rear end of sleeve.
6. sensing device according to claim 3, it is characterised in that also include：
Acoustic waveguide tube, its one end is docked with the through hole, and the other end connects the rear end of conduct vibrations bar, and conduct vibrations bar passes through set
Cylinder, on conduct vibrations bar, one end of spring withstands in the projection of conduct vibrations bar spring housing, after the other end withstands on sleeve
End.
7. sensing device according to claim 6, it is characterised in that also include：
" one point of N " transfer tube, it includes N number of branched pipe and a Heavenly Stems and Earthly Branches pipe, wherein N >=2, is provided with every conduct vibrations bar
One sleeve, the every rear end of conduct vibrations bar connects an acoustic waveguide tube, and the every other end of acoustic waveguide tube turns with " one point of N "
The one branched pipe connection of adapter, the Heavenly Stems and Earthly Branches pipe for being somebody's turn to do " one point of N " transfer tube is connected by acoustic waveguide tube with the through hole of isolation ward front end.
8. sensing device according to claim 2, it is characterised in that isolation ward is placed in sleeve, after conduct vibrations bar
Hold and be fixedly connected with isolation ward from after the through hole insertion of isolation ward front end, vibrating sensor is placed in isolation ward and is fixed on vibration
On the end face of conductive bar, the sensitive axes of vibrating sensor are parallel to conduct vibrations bar.
9. sensing device according to claim 2, it is characterised in that remove isolation ward, vibrating sensor is fixed on vibration
On the end face of conductive bar, parallel to conduct vibrations bar, conduct vibrations bar passes through sleeve to the sensitive axes of vibrating sensor.
10. sensing device according to claim 1, it is characterised in that also include：
Bearing, sleeve is fixed on bearing；
Signal processing chip, electrically connects with detection sensor.
11. sensing devices according to claim 2, it is characterised in that the sonic transducer is piezoelectric type sonic transducer, electricity
Appearance formula sonic transducer, electromagnetic type sonic transducer or optical profile type sonic transducer.
12. sensing devices according to claim 11, it is characterised in that the condenser type sonic transducer is electret capacitor
Formula sonic transducer, the optical profile type sonic transducer is fibre-optical acoustic sensor.
13. sensing device according to claim 6 or 7, it is characterised in that acoustic waveguide tube be plastic catheter, nylon conduit,
One or more in rubber catheter, silica gel catheter, resin duct or teflon catheter.
14. sensing devices according to claim 1, it is characterised in that conduct vibrations bar be metallic rod, silica glass rod,
Or ceramic bar.
15. sensing devices according to claim 14, it is characterised in that the metallic rod be steel pole, copper bar, aluminium bar or
Aluminium alloy rod.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710028202 | 2017-01-13 | ||
| CN2017100282020 | 2017-01-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106885623A true CN106885623A (en) | 2017-06-23 |
| CN106885623B CN106885623B (en) | 2020-10-27 |
Family
ID=59179796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710085868.XA Active CN106885623B (en) | 2017-01-13 | 2017-02-17 | Sensing device for detecting electric appliance electrogenerated vibration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106885623B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574755A (en) * | 2018-06-13 | 2018-09-25 | 阜南县特立电子有限公司 | A kind of phone vibrator automatic testing equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0545340A (en) * | 1991-08-13 | 1993-02-23 | Toshiba Corp | Ultrasonic signal detecting apparatus |
| JPH08210909A (en) * | 1995-02-02 | 1996-08-20 | Fujitsu Ten Ltd | Operation abnormal sound detection device for electrical apparatus |
| DE10349398A1 (en) * | 2003-10-21 | 2005-06-02 | Thomas Jaggo | Sensor for measuring the structure-borne sound, vibrations and oscillations of a test object has an axially displaceable rod within a housing with one end held against the test object and the other connected to a sound sensor |
| CN2775637Y (en) * | 2004-12-09 | 2006-04-26 | 武汉昊海立德科技有限公司 | Conducting device for measuring blast furnace distributing device vibration |
| CN105784394A (en) * | 2016-03-02 | 2016-07-20 | 中国科学院电子学研究所 | Mechanical fault acoustic detector |
-
2017
- 2017-02-17 CN CN201710085868.XA patent/CN106885623B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0545340A (en) * | 1991-08-13 | 1993-02-23 | Toshiba Corp | Ultrasonic signal detecting apparatus |
| JPH08210909A (en) * | 1995-02-02 | 1996-08-20 | Fujitsu Ten Ltd | Operation abnormal sound detection device for electrical apparatus |
| DE10349398A1 (en) * | 2003-10-21 | 2005-06-02 | Thomas Jaggo | Sensor for measuring the structure-borne sound, vibrations and oscillations of a test object has an axially displaceable rod within a housing with one end held against the test object and the other connected to a sound sensor |
| CN2775637Y (en) * | 2004-12-09 | 2006-04-26 | 武汉昊海立德科技有限公司 | Conducting device for measuring blast furnace distributing device vibration |
| CN105784394A (en) * | 2016-03-02 | 2016-07-20 | 中国科学院电子学研究所 | Mechanical fault acoustic detector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574755A (en) * | 2018-06-13 | 2018-09-25 | 阜南县特立电子有限公司 | A kind of phone vibrator automatic testing equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106885623B (en) | 2020-10-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Foreman | Sound analysis and noise control | |
| CN104937617B (en) | Provision of inspection data | |
| CN206772429U (en) | Noise source tests and analyzes device | |
| CN205643255U (en) | General fixing device suitable for acoustic emission detector ware probe | |
| US7616767B2 (en) | Method and device for determining acoustical transfer impedance | |
| CN106885623A (en) | A kind of sensing device for detecting the electroluminescent vibration of electrical equipment | |
| CN105323694B (en) | Seal verification method, package seal checker and sealing quality measuring system | |
| CN106248543B (en) | A kind of dust sensor performance parameter detection method | |
| CN101149287A (en) | Apparatus suitable for acoustic test for production field and test method | |
| CN106289496A (en) | A kind of method and device testing transformer noise | |
| CN106931897B (en) | Vibration damping flexibility connection pipe deformation measuring device | |
| CN105222973B (en) | Field calibration method for vibration signal order tracking technique | |
| CN109883638A (en) | A kind of Hollow Block Masonry Structure Anti-seismic toughness detection device and detection method | |
| TWI265727B (en) | Image sensor inspection system | |
| CN208675546U (en) | A kind of sound equipment noise tester | |
| CN207850990U (en) | A kind of portable ultraphonic detection device and system | |
| CN208942083U (en) | A kind of fibrescope image display transmitting device | |
| RU87515U1 (en) | DEVICE FOR MONITORING THE MECHANICAL STATE OF OBJECTS | |
| CN107064295B (en) | A kind of methane gas concentration measurement system and method | |
| CN217789901U (en) | Indoor acoustic measurement system | |
| CN215420771U (en) | Acoustic analysis test system | |
| CN209181820U (en) | A kind of environment detector Internet-based | |
| CN105699388A (en) | End face detector for optical fiber connector | |
| CN112269130B (en) | Motor detection device | |
| CN207798252U (en) | A kind of noise meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |