CN109557183A - A kind of integrated form ultrasonic sensor - Google Patents
A kind of integrated form ultrasonic sensor Download PDFInfo
- Publication number
- CN109557183A CN109557183A CN201811648790.9A CN201811648790A CN109557183A CN 109557183 A CN109557183 A CN 109557183A CN 201811648790 A CN201811648790 A CN 201811648790A CN 109557183 A CN109557183 A CN 109557183A
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- sensor
- circuit board
- integrated circuit
- ultrasonic sensor
- housing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/041—Analysing solids on the surface of the material, e.g. using Lamb, Rayleigh or shear waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
Abstract
The invention belongs to sensor technical field more particularly to a kind of integrated form ultrasonic sensor, it is widely used, partial discharge/failure breakdown detection can be carried out to GIS under a variety of occasions.The present invention includes contact ultrasonic sensor, and lid is connected on sensor outer housing, and cavity is equipped in sensor outer housing, and the internal cavity of sensor outer housing bottom surface to sensor housing is equipped with channel；Power switch, charging indicator light, cradle and signal transmitting antenna are additionally provided on sensor housing；Bottom is set there are four column in cavity, and two height of diagonally opposing corner are identical, are separately connected integrated circuit board I and integrated circuit board II from low and high；Battery is equipped between integrated circuit board II and top connection lid；The lower part of integrated circuit board II is sequentially connected spring and contact ultrasonic sensor.The present invention has the characteristics that small in size, structure is simple, safe and portable, easy to operate, design is reasonable, can greatly improve working efficiency, be suitable for wideling popularize and applying in power equipment industry.
Description
Technical field
The invention belongs to sensor technical field more particularly to a kind of integrated form ultrasonic sensor, it is widely used, can
Partial discharge/failure breakdown detection is carried out to GIS under a variety of occasions.
Background technique
Gas-insulated switchgear GIS is because its reliability is high, the advantages that occupied area is small, maintenance is simple, the time between overhauls(TBO) is long
And it is widely used in the power system.GIS device design manufacture, is transported, some accidentalia in installation process
It will cause some minor insulation defects, such as bubble, crack, levitated conductive particle and burr, these defects will cause GIS device
Internal some regions electric field strength is excessively high, and shelf depreciation will occur when being higher than the disruptive field intensity of dielectric.Such as cannot and
Discharge defect inside Shi Faxian and processing equipment, subsequent easily occurrence of equipment breakdown accident.
When shelf depreciation or failure breakdown occur inside GIS device, vibration and the sound of impact can be generated.Ultrasonic wave
Method AE, also known as acoustic-emission measure local discharge signal by placing ultrasonic sensor outside equipment cavity.This method
Advantage is that the electric loop of sensor and power equipment is contacted without any, is not influenced by electromagnetic interference.The process that scene uses
In, ultrasonic sensor is usually pasted onto GIS device metal outer wall, connects conditioning unit and detector host by cable.It is right
In many occasions, if GIS voltage class is higher, volume size is larger, the connection of sensor and subsequent cell distance farther out, wiring
Complexity, and general cable is difficult to meet the requirements, in addition, the longer signal that will lead to of the length of connection cables declines during propagation
Subtract larger, the larger interface for being also easily damaged sensor and subsequent cell of the weight of cable itself.Above-mentioned situation can substantially drop
The efficiency of low GIS device scene ultrasound examination.In order to solve this problem, invention describes one kind can be widely used for GIS
Apparatus local discharge/failure breakdown detection Integral wireless Intelligent contact formula ultrasonic sensor.
Summary of the invention
For above-mentioned problems of the prior art, the present invention provides a kind of integrated form ultrasonic sensor, purposes
Be for provide it is a kind of it is small in size, structure is simple, it is portable, easy to operate and it is ingenious in design rationally, and work can be greatly improved
Make a kind of integrated form ultrasonic sensor of efficiency.
For achieving the above object, what the present invention adopts the following technical solutions to realize:
A kind of integrated form ultrasonic sensor, including contact ultrasonic sensor: lid is connected on sensor outer housing top, is passed
Cavity is equipped in sensor shell, the internal cavity of sensor outer housing bottom surface to sensor housing is equipped with channel；On sensor housing
It is additionally provided with power switch, charging indicator light, cradle and signal transmitting antenna；The cavity bottom is set there are four column, oblique right
Two, angle height is identical, is separately connected integrated circuit board I and integrated circuit board II, integrated circuit board I and integrated electricity from low and high
Road plate II is connected by cable；Battery is equipped between integrated circuit board II and top connection lid；The lower part of integrated circuit board II
It is sequentially connected spring and contact ultrasonic sensor；And it is placed in built-in spring and contact ultrasonic sensor in channel,
It is placed in the other end of contact ultrasonic sensor outside sensor outer housing.
The sensor outer housing is square structure, and the bottom of sensor outer housing is arc surface, sensor and GIS when making to test
Preferably fit together；There is a step at the circular arc both ends of arc surface respectively, and two steps are identical, two steps
There are three identical circular holes respectively on bottom surface, for installing pressing plate I and pressing plate II.
The pressing plate I is laminated structure, three circular hole D is opened up thereon, with three circular holes pair on step in sensor housing
It answers, is used to fixation clip I, the width of pressing plate I is identical as step, and thickness pool is slightly less than the height of step, close to step outer end
Two angles are fillet, and radius of corner is consistent with sensor housing.
The pressing plate II is laminated structure, and area is greater than pressing plate I, highly consistent with pressing plate I, opens up that there are three circles thereon
Hole E, it is corresponding with three circular holes on step, it is used to fixation clip II；The side of circular hole E is equipped with the slot B of a strip.
There are four the identical cylindrical columns of diameter for the bottom of the cavity, and height between any two is different, are divided into two groups,
Two height of diagonally opposing corner are identical, wherein there is a circular hole A on a lower height of two column A, top respectively, for installing integrated electricity
Road plate I, other two higher-height column B, top is respectively equipped with a circular hole B, for installing integrated circuit board II.
The channel is cylindrical channel, and interior diameter is identical as contact ultrasonic sensor diameter, for placing contact
Formula ultrasonic sensor and spring, the height that channel is located at sensor housing internal cavity part are slightly below column B, on conduit wall
It is used to equipped with notch for being correspondingly provided with slot A across the joint area of contact ultrasonic sensor, cavity bottom and notch
The joint area of contact ultrasonic sensor is placed, to guarantee that contact ultrasonic sensor is located at channel portion deep enough
Position；Rectangular opening and a circular hole there are two opening up in sensor housing, on side are successively used to install power switch, charging refers to
Show lamp and cradle, a circular hole F is offered on another side, for installing signal transmitting antenna.
The contact ultrasonic sensor is cylindrical body, a sub-miniature A connector A is stretched out on the arc surface of one end, with one
Coaxial cable is connect with integrated circuit board I；Contact ultrasonic sensor is placed in sensor housing in cylindrical channel, connector A
It is stretched out from the indentation, there in channel；The cylindrical surface of connector A is contacted with the bottom of sensor outer housing bracket groove A；Spring is also placed in channel,
The top of bottom end abutting contact formula ultrasonic sensor, top is withstood on the face of integrated circuit board II.
II point of upper layer and lower layer of the integrated circuit board I and integrated circuit board are installed, and integrated circuit board II compresses bullet after connecting
The top of spring；
The integrated circuit board I is located below one layer, is connected to the top of cylinder column A in sensor housing；Integrated circuit board I
Centre is equipped with circular hole C, and diameter is slightly larger than the outer diameter of cylindrical channel in sensor housing, to enable channel from circle
It is passed through in the C of hole；Be additionally provided with four holes around circular hole C, be divided into two kinds by diameter, diagonal two bore dias are identical, two diameters compared with
Small hole corresponds to the circular hole A on the top column A, is used to securing integrated circuit plate I；Other two bore dia being relatively large in diameter is slightly larger than
Cylinder column B in sensor housing enables column B to pass through from the hole being relatively large in diameter while installing integrated circuit board I；
Integrated circuit board I is lower to connect sub-miniature A connector B, is connect by coaxial cable with contact ultrasonic sensor center tap A；
The integrated circuit board II is mounted on one layer of the upper surface of integrated circuit board I, the top of cylinder column B in sensor housing
Portion, sets that there are two the circular hole B that hole correspond to the top column B on integrated circuit board II, for securing integrated circuit plate II, integrated circuit
The lower part of plate II connects cradle, and wears cradle in the corresponding rectangular opening opened up just from the side of sensor housing
It crosses.
The lid of the sensor is made of plastic material, and inside is equipped with the cavity of internal battery；The both ends of cavity point
She You protrusion step, the outside dimension of two steps is identical as the inside dimension of cavity in sensor housing；Lid, which covers, to be sensed
The top of device shell, step are inserted into the inside of cavity, are connected between lid and sensor housing by epoxy resin glue bond.
Utilize a kind of operating method of integrated form ultrasonic sensor, comprising:
Contact ultrasonic sensor: being fixed on inside sensor housing, to receive the type local-discharge ultrasonic wave signal inside GIS；
Spring: effect elastic force makes it be tightly attached to the surface of GIS in contact ultrasonic sensor；
Integrated circuit board I and integrated circuit board II: connecting with contact ultrasonic sensor, carries out to the Partial discharge signal received
Various processing；
Lid: being fixed on the opening face of sensor outer housing, while fixing battery together with integrated circuit board II；
Shell: fixed support is provided for all elements；
Power switch: controlling the operation and closing of entire sensor, and cradle charges to the battery of power supply, charging indicator light
Show the charged state of battery, signal transmitting antenna is by integrated circuit board I and integrated circuit board II treated signal hair
It penetrates and gives terminal receiving device.
Compared with prior art, the invention has the following advantages and beneficial effects:
The present invention has the characteristics that small in size, structure is simple, portable, easy to operate, ingenious in design reasonable, and can mention significantly
High working efficiency.Intelligence sensor of the present invention can be handled Partial discharge signal, and signal can be by being wirelessly sent to terminal
Receiving device, not needing connection cables can be carried out testing at a distance, guarantee the personal safety of tester.Due to its body
Product is smaller, therefore has the characteristics that installation easy to carry, and can quickly be mounted on the surface GIS and carry out long-term test,
It installs and removes very convenient, be widely used, partial discharge/failure breakdown detection can be carried out to GIS under a variety of occasions, be suitable in electricity
Power equipment Industry is widelyd popularize and is applied.
Detailed description of the invention
Understand for the ease of those of ordinary skill in the art and implement the present invention, with reference to the accompanying drawing and specific embodiment
The present invention is described in further detail, it is to be understood that protection scope of the present invention is not by the limit of specific embodiment
System.
Fig. 1 is overall structure of the present invention；
Fig. 2 is the bottom view of Fig. 1；
Fig. 3 entirety sectional view of the present invention；
Fig. 4 is sensor housing schematic diagram of internal structure；
Fig. 5 is sensor housing external structure schematic diagram；
Fig. 6 is contact ultrasonic sensor structure schematic diagram；
Fig. 7 is II schematic diagram of integrated circuit board；
Fig. 8 is I schematic diagram of integrated circuit board；
Fig. 9 is the structural schematic diagram of lid；
Figure 10 is the structural schematic diagram of pressing plate I；
Figure 11 is the structural schematic diagram of pressing plate II.
In figure: sensor outer housing 1, contact ultrasonic sensor 2, integrated circuit board I 3, integrated circuit board II 4, spring
5, lid 6, battery 7, pressing plate I 8, pressing plate II 9, arc surface 10, step 11, circular hole 12, cavity 13, column A14, circular hole A15 are stood
Column B16, circular hole B17, channel 18, notch 19, slot A20, side 21, side 22, connector A23, circular hole C24, the lesser hole of diameter
25, the hole 26 being relatively large in diameter, connector B27, hole 28, cavity 29, step 30, circular hole D31, circular hole E32, slot B33, circular hole F34, letter
Number transmitting antenna 35, power switch 36, charging indicator light 37, cradle 38.
Specific embodiment
As shown in Figures 1 and 2, the present invention is a kind of integrated form ultrasonic sensor, is a kind of for GIS partial discharge inspection
The intelligent wireless contact ultrasonic sensor of survey, the present invention include a sensor outer housing 1, contact ultrasonic sensor 2,
Integrated circuit board I 3, integrated circuit board II 4, spring 5 cover the lid 6 on sensor outer housing 1, battery 7, pressing plate I 8 and pressure
Plate II 9.It is to connect lid 6 on 1 top of sensor outer housing, is equipped with cavity 13 in sensor outer housing 1,1 bottom surface of sensor outer housing is arrived
The internal cavity of sensor housing 1 is equipped with channel 18；It is additionally provided with power switch 36 on sensor housing 1, charging indicator light 37, fills
Electric seat 38 and signal transmitting antenna 35；13 bottom of cavity is set there are four column, and two height of diagonally opposing corner are identical, from low and high
It is separately connected integrated circuit board I 3 and integrated circuit board II 4；Battery is equipped between integrated circuit board II 4 and top connection lid 6
7；The lower part of integrated circuit board II 4 is sequentially connected spring 5 and contact ultrasonic sensor 2；And make built-in spring 5 and contact
Ultrasonic sensor 2 is placed in channel 18, is placed in the other end of contact ultrasonic sensor 2 outside sensor outer housing 1；
As shown in Figures 4 and 5, sensor outer housing 1 uses the higher plastics of mechanical strength as material in the present invention, generally just
Shape, since the present invention be directed to GIS to use, therefore the bottom of sensor outer housing 1 is designed to arc surface 10, can guarantee biography when test
Sensor preferably fits together with GIS, with guarantee test quality, arc surface 10, circular arc both ends, have a step respectively
11, two steps 11 are identical, and there are three identical circular holes 12 respectively on the bottom surface of two steps 11, for installing pressing plate I 8
With pressing plate II 9, there is a rectangular cavity 13 in the inside of sensor outer housing 1, and the bottom of cavity 13 is there are four cylindrical column, and four
The diameter of a column is identical, but height between any two is different, is divided into two groups, and two height of diagonally opposing corner are identical, wherein height
Lower two column A14, there is a circular hole A15 on top respectively, and for installing integrated circuit board I 3, other two height is higher
Column B16, there is a circular hole B17 on top respectively, for installing integrated circuit board II 4, arc surface 10, centre to passing
The internal cavity of sensor shell 1 has a cylindrical channel 18, and interior diameter is identical as 2 diameter of contact ultrasonic sensor, uses
Contact ultrasonic sensor 2 and spring 5 are placed, the height that channel 18 is located at 1 internal cavity part of sensor housing is slightly lower
In there is a notch 19 on column B16, conduit wall, for across the joint area of contact ultrasonic sensor 2,13 bottom of cavity
Portion is corresponding with notch 19 a slot A20, for placing the joint area of contact ultrasonic sensor 2, to guarantee to contact
Formula ultrasonic sensor 2 is located at the position deep enough of channel 18, in sensor housing 1, opens up that there are two rectangular openings on side 21
And a circular hole, successively it is used to that power switch 36, charging indicator light 37 and cradle 38 are installed, is opened up on another side 22
There is a circular hole F34, for installing signal transmitting antenna 35.
See Fig. 2 and Fig. 4, in the present invention, the generally cylindrical body of contact ultrasonic sensor 2, the arc surface of one end
One sub-miniature A connector A23 of upper stretching, is connect with a coaxial cable with integrated circuit board I 3, and contact ultrasonic sensor 2 is placed
In sensor housing 1 in cylindrical channel 18, connector A23 stretches out from the notch 19 in channel 18, after being finally installed, connector
The cylindrical surface of A23 is contacted with the bottom of 1 bracket groove A20 of sensor outer housing, prevents contact ultrasonic sensor 2 from again to channel 18
Deeper inside movement until.Spring 5 is also placed in channel 18, the top of bottom end abutting contact formula ultrasonic sensor 2, top
It withstands on the face of integrated circuit board II 4.Under such state, the bottom plane of contact ultrasonic sensor 2 is slightly prominent and senses
The arc surface 10 of device shell 1, when test, arc surface 10 is tightly attached to the surface GIS, thus to the bottom of contact ultrasonic sensor 2
There is the power of a compression in face, the upward sliding in channel 18 of contact ultrasonic sensor 2 is driven, then to contact ultrasonic
The spring 5 at 2 top of sensor has an active force, and under the elastic force of spring 5, make the bottom of contact ultrasonic sensor 2
It can be tightly fitted in the surface of GIS, keep the result of test more acurrate.
See Fig. 2, Fig. 3 and Fig. 5, in the present invention, the II 4 points of upper layer and lower layer installations of integrated circuit board I 3 and integrated circuit board, collection
It is located below one layer at circuit board I 3, is installed on the top of cylinder column A14 in sensor housing 1, I 3 center of integrated circuit board
There is a circular hole C24 at position, and diameter is slightly larger than the outer diameter of cylindrical channel 18 in sensor housing 1, to make channel 18
It can smoothly be passed through from circular hole C24, be additionally provided with four holes around circular hole C24, be divided into two kinds by diameter, diagonal two bore dias
Identical, the circular hole A15 on the corresponding top column A14 in the lesser hole 25 of two diameters is used to securing integrated circuit plate I 3, other two
26 diameter of hole being relatively large in diameter makes to stand slightly larger than cylinder column B16 in sensor housing 1 while installing integrated circuit board I 3
Column B16 can be passed through smoothly from the hole 26 being relatively large in diameter, and a sub-miniature A connector is welded on I 3 lower surface of integrated circuit board
B27 is connect by coaxial cable with 2 center tap A23 of contact ultrasonic sensor.
The integrated circuit board II 4 is mounted on one layer of the upper surface of integrated circuit board I 3, and it is vertical to be located at cylinder in sensor housing 1
The top of column B16 opens up on integrated circuit board II 4 there are two the circular hole B17 on the corresponding top column B16 in hole 28, is used to fixed set
At circuit board II 4, a cradle 38 is welded on the lower surface of integrated circuit board II 4, after being installed, cradle just from
Passed through in the corresponding rectangular opening opened up on the side 21 of sensor housing 1, integrated circuit board I 3 and integrated circuit board II 4 it
Between welding cable to connect, after the completion of integrated circuit board II 4 is fixed, the just top of holddown spring 5 keeps spring 5 fixed not
It is dynamic, it is tested so as to which elastic force is applied on contact ultrasonic sensor 2.When test, integrated circuit board is to contact
After the signal that formula ultrasonic sensor receives is handled, terminal device is sent to by signal transmitting antenna 35 and is analyzed
To obtain a result.
Seeing Fig. 2, Fig. 3 and Fig. 6, in the present invention, the lid 6 of sensor equally uses the higher plastic production of mechanical strength,
Inside has a cavity 29 to be used to place battery 7, and there are two the step 30 of protrusion, the outer rulers of two steps 30 at the both ends of cavity 29
Very little identical as the inside dimension of cavity 13 in sensor housing 1, lid 6 covers the top in sensor housing 1, and step 30 is inserted into cavity
13 inside is adhesively fixed between lid 6 and sensor housing 1 using epoxide-resin glue, in all contact surfaces of the two
On coat epoxide-resin glue after, lid 6 covers at the top of sensor housing 1, epoxide-resin glues solidification, the battery 7 such as compresses and pacifies
It is put in the bottom of cavity 29, after lid 6 covers, the another side of battery 7 is bonded with the upper surface of integrated circuit board II 4, passes through pressure
Battery 7 is fixed in tight mode.
See Fig. 3 and Fig. 7, in the present invention, pressing plate I 8 is laminated structure, three circular hole D31 is opened up thereon, with sensor housing
Three circular holes 12 are corresponding on step 11 in 1, are used to fixation clip I 8, the width of pressing plate I 8 is identical as step 11, and thickness pool is smaller
It is made into fillet close to two angles of 11 outer end of step in the height of step 11, radius of corner is consistent with sensor housing 1,
Pressing plate II 9 is also laminated structure, but its area is greater than pressing plate I 8, is highly consistent with pressing plate I 8, equally offers thereon
Three circular hole E32, it is corresponding with three circular holes 12 on step 11, it is used to fixation clip II 9, the side of circular hole E32 offers one
The slot B33 of strip, pressing plate I 8 and pressing plate II 9 are separately fixed on two steps 11 in sensor housing 1, when needing to one
When a GIS is tested for a long time, it would be desirable to use a velcro belt, one end of belt is pressed on pressing plate I 8 in the following, so
Afterwards belt around GIS after a week, the other end is passed through from the slot B33 in pressing plate II 9, velcro is pasted after tension, i.e.,
Quickly the surface that entire sensor is fixed on GIS can be tested, due to belt pulling force, pressing plate I 8 and pressing plate II
9 are made of metal material, prevent pulling force from the two is drawn bad.
The effect of main element used in the present invention is as follows:
Contact ultrasonic sensor 2: being fixed on inside sensor housing 1, to receive the type local-discharge ultrasonic wave letter inside GIS
Number；
Spring 5: effect elastic force allows to be tightly attached to the surface of GIS in contact ultrasonic sensor 2；
Integrated circuit board I 3 and integrated circuit board II 4: connecting with contact ultrasonic sensor 2, can be to the partial discharge received
Signal carries out various processing；
Lid 6: being fixed on the opening face of sensor outer housing 1, meanwhile, fixed battery 7 is played together with integrated circuit board II 4
Effect；
Shell 1: fixed supporting role is provided for all elements；
Power switch 36: can control the operation and closing of entire sensor, and cradle can fill the battery 7 of power supply
Electricity, charging indicator light can show the charged state of battery, and signal transmitting antenna 35 can be by I 3 sum aggregate of integrated circuit board
At circuit board II 4, treated that signal is transmitted to terminal receiving device.
Claims (10)
1. a kind of integrated form ultrasonic sensor, including contact ultrasonic sensor (2), it is characterized in that: sensor outer housing (1)
Top connects lid (6), is equipped with cavity (13) in sensor outer housing (1), sensor outer housing (1) bottom surface to sensor housing (1)
Internal cavity be equipped with channel (18)；Power switch (36), charging indicator light (37), charging are additionally provided on sensor housing (1)
Seat (38) and signal transmitting antenna (35)；Cavity (13) bottom is set there are four column, and two height of diagonally opposing corner are identical, from low
And height is separately connected integrated circuit board I (3) and integrated circuit board II (4), integrated circuit board I (3) and integrated circuit board II (4) are logical
Cross cable connection；Battery (7) are equipped between integrated circuit board II (4) and top connection lid (6)；Integrated circuit board II (4)
Lower part is sequentially connected spring (5) and contact ultrasonic sensor (2)；And sense built-in spring (5) and contact ultrasonic
Device (2) is placed in channel (18), so that the other end of contact ultrasonic sensor (2) is placed in sensor outer housing (1) external.
2. a kind of integrated form ultrasonic sensor according to claim 1, it is characterized in that: the sensor outer housing (1) is
Square structure, the bottom of sensor outer housing (1) are arc surface (10), and sensor when test is made preferably to fit together with GIS；
There is a step (11) at the circular arc both ends of arc surface (10) respectively, and two steps (11) are identical, the bottom of two steps (11)
There are three identical circular hole (12) respectively on face, for installing pressing plate I (8) and pressing plate II (9).
3. a kind of integrated form ultrasonic sensor according to claim 1, it is characterized in that: the pressing plate I (8) is sheet knot
Structure opens up three circular hole D(31 thereon), it is corresponding with step (11) in sensor housing (1) upper three circular hole (12), for fixing
The width of pressing plate I (8), pressing plate I (8) is identical as step (11), and thickness pool is slightly less than the height of step (11), close to step (11)
Two angles of outer end are fillet, and radius of corner and sensor housing (1) are consistent.
4. a kind of integrated form ultrasonic sensor according to claim 1, it is characterized in that: the pressing plate II (9) is sheet
Structure, area are greater than pressing plate I (8), highly unanimously with pressing plate I (8), are opened up thereon there are three circular hole E(32), with step (11)
Upper three circular holes (12) are corresponding, are used to fixation clip II (9)；Circular hole E(32) side be equipped with a strip slot B(33).
5. a kind of integrated form ultrasonic sensor according to claim 1, it is characterized in that: the bottom of the cavity (13) has
The identical cylindrical column of four diameters, height between any two is different, is divided into two groups, and two height of diagonally opposing corner are identical, wherein
A lower height of two column A(14), there is a circular hole A(15 on top respectively), for installing integrated circuit board I (3), in addition two
A higher-height column B(16), top is respectively equipped with a circular hole B(17), for installing integrated circuit board II (4).
6. a kind of integrated form ultrasonic sensor according to claim 1, it is characterized in that: the channel (18) are cylinder
Channel, interior diameter is identical as contact ultrasonic sensor (2) diameter, for placing contact ultrasonic sensor (2) and bullet
Spring (5), the height that channel (18) are located at sensor housing (1) internal cavity part are slightly below column B(16), conduit wall is equipped with
Notch (19) is used to the joint area across contact ultrasonic sensor (2), and cavity (13) bottom is corresponding with notch (19) to be set
Have slot A(20), for placing the joint area of contact ultrasonic sensor (2), to guarantee contact ultrasonic sensor (2)
The position deep enough positioned at channel (18)；In sensor housing (1), opened up on side (21) there are two rectangular opening and a circle
Hole is successively used to install power switch (36), charging indicator light (37) and cradle (38), open up on another side (22)
Have a circular hole F(34), for installing signal transmitting antenna (35).
7. a kind of integrated form ultrasonic sensor according to claim 1, it is characterized in that: the contact ultrasonic senses
Device (2) is cylindrical body, stretches out a sub-miniature A connector A(23 on the arc surface of one end), with a coaxial cable and integrated circuit board I
(3) it connects；Contact ultrasonic sensor (2) is placed in sensor housing (1) in cylindrical channel (18), connector A(23) from logical
It is stretched out at the notch (19) in road (18)；Connector A(23) cylindrical surface contacted with the bottom of sensor outer housing (1) bracket groove A(20)；Bullet
Spring (5) is also placed in channel (18), and the top of bottom end abutting contact formula ultrasonic sensor (2), top withstands on integrated circuit board
On the face of II (4).
8. a kind of integrated form ultrasonic sensor according to claim 1, it is characterized in that: the integrated circuit board I (3) and
Integrated circuit board II (4) point upper layer and lower layer are installed, the top of holddown spring (5) after integrated circuit board II (4) connection；
The integrated circuit board I (3) is located below one layer, is connected to cylinder column A(14 in sensor housing (1)) top；
Integrated circuit board I (3) centre is equipped with circular hole C(24), diameter is slightly larger than cylindrical channel (18) in sensor housing (1)
Outer diameter, to make channel (18) can be from circular hole C(24) in pass through；Four holes are additionally provided with around circular hole C(24), by diameter point
At two kinds, diagonal two bore dias are identical, the corresponding column A(14 of two lesser holes of diameter (25)) the circular hole A(15 on top), use
Carry out securing integrated circuit plate I (3)；Other two hole being relatively large in diameter (26) diameter is vertical slightly larger than cylinder in sensor housing (1)
Column B(16), while integrated circuit board I (3) are installed, make column B(16) can be passed through from the hole (26) being relatively large in diameter；It is integrated
Sub-miniature A connector B(27 is connected under circuit board I (3)), pass through coaxial cable and contact ultrasonic sensor (2) center tap A(23) even
It connects；
The integrated circuit board II (4) is mounted on one layer of the upper surface of integrated circuit board I (3), is located at cylinder in sensor housing (1)
Column B(16) top, set that there are two hole (28) corresponding column B(16 on integrated circuit board II (4)) the circular hole B(17 on top),
For securing integrated circuit plate II (4), the lower part of integrated circuit board II (4) connects cradle (38), and keeps cradle (38) rigid
It is passed through in the good rectangular opening opened up corresponding from the side (21) of sensor housing (1).
9. a kind of integrated form ultrasonic sensor according to claim 1, it is characterized in that: the lid (6) of the sensor
It is made of plastic material, inside is equipped with the cavity (29) of internal battery (7)；The both ends of cavity (29) are respectively equipped with the platform of protrusion
The outside dimension of rank (30), two steps (30) is identical as the inside dimension of cavity (13) in sensor housing (1)；Lid (6) covers
The top of sensor housing (1), step (30) are inserted into the inside of cavity (13), pass through between lid (6) and sensor housing (1)
The connection of epoxy resin glue bond.
10. using a kind of operating method of integrated form ultrasonic sensor as described in claim 1, it is characterized in that: including:
Contact ultrasonic sensor: being fixed on inside sensor housing, to receive the type local-discharge ultrasonic wave signal inside GIS；
Spring: effect elastic force makes it be tightly attached to the surface of GIS in contact ultrasonic sensor；
Integrated circuit board I and integrated circuit board II: connecting with contact ultrasonic sensor, carries out to the Partial discharge signal received
Various processing；
Lid: being fixed on the opening face of sensor outer housing, while fixing battery together with integrated circuit board II；
Shell: fixed support is provided for all elements；
Power switch: controlling the operation and closing of entire sensor, and cradle charges to the battery of power supply, charging indicator light
Show the charged state of battery, signal transmitting antenna is by integrated circuit board I and integrated circuit board II treated signal hair
It penetrates and gives terminal receiving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811648790.9A CN109557183A (en) | 2018-12-30 | 2018-12-30 | A kind of integrated form ultrasonic sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811648790.9A CN109557183A (en) | 2018-12-30 | 2018-12-30 | A kind of integrated form ultrasonic sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110967605A (en) * | 2019-12-27 | 2020-04-07 | 陕西公众电气股份有限公司 | Universal ultrasonic sensor and monitoring device |
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