CN110441759A - A kind of Ulerasonic senser casing structure and ultrasonic sensor - Google Patents
A kind of Ulerasonic senser casing structure and ultrasonic sensor Download PDFInfo
- Publication number
- CN110441759A CN110441759A CN201910860026.6A CN201910860026A CN110441759A CN 110441759 A CN110441759 A CN 110441759A CN 201910860026 A CN201910860026 A CN 201910860026A CN 110441759 A CN110441759 A CN 110441759A
- Authority
- CN
- China
- Prior art keywords
- lower case
- upper housing
- side wall
- ulerasonic
- senser
- 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.)
- Pending
Links
- 230000005484 gravity Effects 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 238000002604 ultrasonography Methods 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 12
- 239000002131 composite material Substances 0.000 abstract description 2
- 239000007787 solid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- HHXYJYBYNZMZKX-UHFFFAOYSA-N 3,4:15,16-diepoxy-7-oxo-13(16),14-clerodadien-20,12-olide-(3alpha,4alpha)-form Natural products C12CCC3C4(C)CCCC(C)(C)C4CCC3(C)C1(C)CCC1C2(C)CCC1C(=C)C HHXYJYBYNZMZKX-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/521—Constructional features
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
- G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2015/932—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles for parking operations
Abstract
The invention discloses a kind of Ulerasonic senser casing structure and ultrasonic sensors, belong to automobile sensor technical field.The shell for solving existing automobile-used ultrasonic sensor is mostly aluminum hull and has integrally formed smooth side wall structure, ultrasonic sensor made of the shell of such structure is when in use, 2 meters or so of distance can only be detected, so that it applies the function being able to achieve on automobile limited, especially in automatic parking, even more very undesirable problem.Including outer cover body, the outer cover body includes lower case and the upper housing that is fixedly connected with lower case, and the first installation cavity is equipped in lower case, is equipped with the second installation cavity being connected to the first installation cavity in upper housing, and the density of upper housing and/or specific gravity are bigger than lower case.Sensor made of the shell of this kind of composite structure cleverly solves because shell is integrally identical material, weight, the larger problem of all equally caused energy dropoff of density, specific gravity, angle.
Description
Technical field
The present invention relates to automobile sensor technical field, more particularly to a kind of Ulerasonic senser casing structure
And ultrasonic sensor.
Background technique
Ultrasonic sensor is the sensor that ultrasonic signal is converted into other energy signals (usually electric signal).It is super
Sound wave is the mechanical wave that vibration frequency is higher than 20kHz.It is high with frequency, wavelength is short, diffraction phenomenon is small, especially directionality
It is good, can become ray and the features such as direction propagation.Ultrasonic wave is very big to the penetrating power of liquid, solid, especially in sunlight
In opaque solid.Ultrasonic wave, which encounters impurity or interface, can generate and significantly reflect to form reflection echo, encounter mobiles
Doppler effect can be generated.
Based on These characteristics, ultrasonic sensor is widely used on automobile parking, but existing automobile-used ultrasonic wave
The shell of sensor is mostly aluminium alloy and has integrally formed smooth side wall structure, this kind of shell is integrally identical aluminium
Alloy, then weight, density, specific gravity are all.Under working condition, aluminum casing bottom work starts to vibrate, as vibration is transferred to
Aluminium alloy top, the top of aluminum alloy casing also vibrate therewith, and the dissipation of vibrations on top falls part energy, and then will be whole
Energy dropoff.Therefore it can only realize conventional 2 meters or so of measuring distance.Simultaneously as aluminium alloy exterior side wall is vibrated, increase
Two sides of sensor leading role's degree, therefore integral sensors angle is larger easily cause and are installed to Che Shanghou and detect because angle is larger
Ground causes sensor to be judged by accident.So that it applies the function being able to achieve on automobile limited, and especially in automatic parking, even more ten
Divide undesirable.The distance that automatic parking needs ultrasonic sensor that can detect 4 meters or more.
Summary of the invention
The shell of existing automobile-used ultrasonic sensor be mostly aluminum hull and have integrally formed smooth side wall structure, this
Ultrasonic sensor made of the shell of kind structure when in use, can only detect 2 meters or so of distance, so that it is applied in vapour
The function being able to achieve on vehicle is limited, and especially in automatic parking, even more very undesirable problem, the present invention provide a kind of ultrasound
Wave sensor shell mechanism and ultrasonic sensor.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of Ulerasonic senser casing structure, including outer cover body, the outer cover body include lower case and and lower casing
The upper housing that body is fixedly connected, lower case is interior to be equipped with the first installation cavity, is equipped with second be connected to the first installation cavity in upper housing
Installation cavity, and the density of upper housing and/or specific gravity are bigger than lower case.
The ultrasonic sensor made of Ulerasonic senser casing structure of the present invention, at work: outer casing bottom work
Start to vibrate, be to be transmitted to another material when vibration is transmitted from lower case to upper housing, because of upper housing density of material or
Specific gravity is higher than lower case, and vibration is blocked on the binding site of the two, and can not continue to transmit toward upper housing.Bring knot in this way
Fruit is, upper housing made of high density or high specific gravity material is not vibrated or vibrated minimum, therefore energy is not dissipated or consumes
Dissipate minimum, so vibrational energy is focused into the lower case i.e. bottom of outer cover body, the high measuring distance of energy is with regard to remote, final energy
Enough reach 4 meters of automatic parking or more of measuring distance.
Simultaneously as the vibration of side wall only has the sidewall sections of lower case, side wall vibration area reduces more than half, senses
Device leading role's degree is not enlarged, therefore sensor entirety angle is smaller.After angle is small in 4 meters or more of measuring distance, be not in
The case where detecting ground.
Further, the lower case is annular in shape and cross section is U-shaped, and upper housing is annular in shape, the side wall bottom of upper housing
End and the side wall top of lower case are tightly fixed connection.Upper housing and lower case annularly pass through side wall convenient for the two and carry out
Tight fit achieves a fixed connection.
Further, the side wall of the lower case is equipped with positioning column, opposite with positioning column on the side wall of the upper housing
Locating slot, the lower case and upper housing are offered on the position answered realizes that tight fit is solid by the cooperation of positioning column and locating slot
Fixed connection.
Further, the side wall of the upper housing is equipped with positioning column, opposite with positioning column on the side wall of the lower case
Locating slot, the lower case and upper housing are offered on the position answered realizes that tight fit is solid by the cooperation of positioning column and locating slot
Fixed connection.
Further, the cross section of the positioning column of the side wall of the lower case is in convex.
Further, the cross section of the locating slot of the side wall of the lower case is in concave character type.
Further, the side wall top of the lower case is equipped with first step, and the side wall bottom end of the upper housing is equipped with the
Two steps, the lower case and upper housing realize the connection that is tightly fixed by the cooperation of first step and second step.Setting
First step and second step are to realize tight fit for the ease of upper housing and lower case and then achieve a fixed connection.
Further, the inside sidewalls of lower case are arranged in the first step, and the second step is arranged in upper housing
Side-wall outer side, the second step of upper housing, which is a tight fit in the first step of lower case, to achieve a fixed connection.
Further, the side-wall outer side of lower case is arranged in the first step, and the second step is arranged in upper housing
Inside sidewalls, the first step of lower case, which is a tight fit in the second step of upper housing, to achieve a fixed connection.
Further, the inwardly projecting formation inner ring of the sidewall bottom of the upper housing, the aperture of the inner ring are 2-14mm.
Further, the side wall of the upper housing with a thickness of 0.2-7.0mm, the side wall of the lower case with a thickness of
0.55-4.8mm。
Further, the height of the side wall of the upper housing is 0.5-7.0mm, and the height of the side wall of the lower case is
0.5-1.5mm。
Further, the upper housing is made of stainless steel or ceramic body, and the upper housing is made of aluminum or aluminum alloy, In
The junction of upper housing and lower case is filled with glue.
It is to have used above-mentioned any Ulerasonic senser casing knot the present invention also provides a kind of ultrasonic sensor
It is configured to.
Compared with the prior art, the invention has the beneficial effects that:
1, the density of upper housing and/or specific gravity are bigger than lower case, by two kinds of materials and are by the interference fit of the two
One entirety.Sensor made of the shell of this kind of composite structure cleverly solves because shell is integrally identical material,
Weight, the larger problem of all equally caused energy dropoff of density, specific gravity, angle.
2, the ultrasonic sensor made of Ulerasonic senser casing structure of the present invention, when vibration is from lower case to upper casing
It is to be transmitted to another material when body transmits, because upper housing density of material or specific gravity are higher than lower case, vibration is blocked on two
The binding site of person, and can not continue to transmit toward upper housing.Bring is as a result, made of high density or high specific gravity material in this way
Upper housing do not vibrated or vibrated it is minimum, therefore energy be not dissipated or dissipate it is minimum, so vibrational energy is focused into down
Shell, that is, outer cover body bottom, the high measuring distance of energy with regard to remote, can finally reach 4 meters of automatic parking or more of test away from
From.
3, because the vibration of side wall only has the sidewall sections of lower case, side wall vibration area reduces more than half, sensor
Leading role's degree is not enlarged, therefore sensor entirety angle is smaller.It is not in visit after angle is small in 4 meters or more of measuring distance
The case where measuring ground.
Detailed description of the invention
Fig. 1, Fig. 2, Fig. 3 and Fig. 4 are the inner ring in the embodiment of the present invention 7 and embodiment 10, with different pore size respectively
Shell mechanism structural schematic diagram；Wherein, it in Fig. 1, Fig. 3 and Fig. 4 or the embodiment of the present invention 8 and embodiment 11, has
The structural schematic diagram of the shell mechanism of the inner ring of different pore size；
Fig. 5, Fig. 6 and Fig. 7 be shell mechanism in the embodiment of the present invention 6 and embodiment 9, with different wall thickness respectively
Structural schematic diagram；
Fig. 8 is in embodiment 13, using twisted pair outlet side made of the novel Ulerasonic senser casing structure of this reality
The ultrasonic sensor of formula；
Fig. 9 is in embodiment 13, using plastic connector pin outlet made of the novel Ulerasonic senser casing structure of this reality
The ultrasonic sensor of mode；
Figure 10 is in embodiment 13, using FPC outlet method made of the novel Ulerasonic senser casing structure of this reality
Ultrasonic sensor；
Figure 11 is the angle figure using ultrasonic sensor made of the novel Ulerasonic senser casing structure of this reality；
Figure 12 is the sound pressure level value using ultrasonic sensor made of the novel Ulerasonic senser casing structure of this reality
Figure；
Figure 13 is the side lobe pattern using ultrasonic sensor made of the novel Ulerasonic senser casing structure of this reality；
Figure 14 is a schematic structural view of Embodiment 3 of the present invention；
Figure 15 is a schematic structural view of Embodiment 4 of the present invention.
Marked in the figure: 1- lower case, 2- upper housing, 3- first step, 4- inner ring, the first installation cavity of 5-, 6- second step,
The second installation cavity of 7-, 8- positioning column, 9- locating slot.
Specific embodiment
The present invention will be further described with reference to the examples below, and described embodiment is only present invention a part
Embodiment is not whole embodiment.Based on the embodiments of the present invention, those skilled in the art are not making
Other embodiments used obtained, belong to protection scope of the present invention under the premise of creative work.
Embodiment 1:
As shown in figs. 1-7, a kind of Ulerasonic senser casing structure, including outer cover body, under the outer cover body includes
Shell 1 and the upper housing 2 being fixedly connected with lower case 1 are equipped with the first installation cavity 5 in lower case 1, are equipped in upper housing 2 and the
Second installation cavity 7 of one installation cavity 5 connection, and the density of upper housing 2 and/or specific gravity are bigger than lower case 1.In the present embodiment,
Upper housing 2 is made of stainless steel, and lower case 1 is made of aluminium alloy.
The ultrasonic sensor made of Ulerasonic senser casing structure of the present invention, at work: outer casing bottom work
Start to vibrate, is to be transmitted to another material, because 2 material of upper housing is close when vibration is transmitted from lower case 1 to upper housing 2
Degree or specific gravity are higher than lower case 1, and vibration is blocked on the binding site of the two, and can not continue to transmit toward upper housing 2.This belt transect
It is coming as a result, upper housing 2 made of high density or high specific gravity material is not vibrated or is vibrated minimum, therefore energy is not consumed
It dissipates or dissipates minimum, so vibrational energy is focused into the lower case 1 i.e. bottom of outer cover body, energy high measuring distance is just
Far, 4 meters of automatic parking or more of measuring distance can finally be reached.
Simultaneously as the vibration of side wall only has the sidewall sections of lower case 1, side wall vibration area reduces more than half, senses
Device leading role's degree is not enlarged, therefore sensor entirety angle is smaller.After angle is small in 4 meters or more of measuring distance, be not in
The case where detecting ground.
Embodiment 2:
As shown in Figure 1, this implementation is to advanced optimize on the basis of embodiment 1, the present embodiment emphasis illustrates and implements
The improvements that example 1 is compared, something in common repeat no more, and in the present embodiment, the lower case 1 is annular in shape and cross section is in U
Font, upper housing 2 are annular in shape, and the side wall bottom end of upper housing 2 and the side wall top of lower case 1 are tightly fixed connection.Upper housing 2
Annularly tight fit is carried out by side wall convenient for the two with lower case 1 to achieve a fixed connection.
Embodiment 3:
As shown in figure 14, this implementation is to advanced optimize on the basis of embodiment 1, and the present embodiment emphasis illustrates and implements
The improvements that example 1 is compared, something in common repeat no more, and in the present embodiment, the side wall of the lower case 1 is equipped with positioning column 8,
Locating slot 9, the lower case 1 and upper housing are offered on the side wall of the upper housing 2 on position corresponding with positioning column 8
2 realize the connection that is tightly fixed by the cooperation of positioning column 8 and locating slot 9.
Preferably, the cross section of the locating slot 9 of the side wall of the lower case 1 is in concave character type.In the present embodiment, positioning column 8
Continuously it is arranged, may not be and be continuously arranged.When positioning column 8 is not continuously to be arranged, in the position being discontinuously arranged
The cross section of the side wall of lower case 1 is "-" type.
Embodiment 4:
As shown in figure 15, this implementation is to advanced optimize on the basis of embodiment 1, and the present embodiment emphasis illustrates and implements
The improvements that example 1 is compared, something in common repeat no more, and in the present embodiment, the side wall of the upper housing 2 is equipped with positioning column 8,
Locating slot 9, the lower case 1 and upper housing are offered on the side wall of the lower case 1 on position corresponding with positioning column 8
2 realize the connection that is tightly fixed by the cooperation of positioning column 8 and locating slot 9.In the present embodiment, positioning column 8 is continuously arranged,
It may not be and be continuously arranged.When positioning column 8 is not continuously to be arranged, in the side wall for the position lower case 1 being discontinuously arranged
Cross section be "-" type.
Preferably, the cross section of the positioning column 8 of the side wall of the lower case 1 is in convex.
Embodiment 5:
As shown in Figure 1, this implementation is to advanced optimize on the basis of embodiment 1, the present embodiment emphasis illustrates and implements
The improvements that example 1 is compared, something in common repeat no more, and in the present embodiment, the side wall top of the lower case 1 is equipped with first
Step 3, the side wall bottom end of the upper housing 2 are equipped with second step 6, and the lower case 1 and upper housing 2 pass through 3 He of first step
The connection that is tightly fixed is realized in the cooperation of second step 6.It is for the ease of upper housing 2 provided with first step 3 and second step 6
Tight fit is realized with lower case 1 and then is achieved a fixed connection.It is filled with glue in the junction of upper housing 2 and lower case 1, so as to
Fill full gap, and prevent upper housing 2 and lower case 1 because the working time it is long generate loosening, in the present embodiment, glue is
One-component epoxy resin glue.
Herein it should be noted that tight fit described in the present embodiment is more than the interference tight fit in assembling, may be used also
To be threaded connection, glue bonding, interference fit plus glue bonding.Meanwhile in the present embodiment, described 3 He of first step
Second step 6 refers to continuous circular step.
Embodiment 6:
As illustrated in figs. 5-7, this implementation is advanced optimized on the basis of embodiment 5, and the present embodiment emphasis illustrates and reality
The improvements that example 1 is compared are applied, something in common repeats no more, and in the present embodiment, the first step 3 is arranged in lower case 1
Inside sidewalls, the side-wall outer side of upper housing 2 is arranged in the second step 6, and the second step 6 of upper housing 2 is a tight fit in down
It achieves a fixed connection in the first step 3 of shell 1.In the present embodiment, the side wall of the upper housing 2 with a thickness of 0.2-
7.0mm, the side wall of the lower case 1 with a thickness of 0.55-4.8mm.
Embodiment 6:
As shown in Figs 1-4, this implementation is advanced optimized on the basis of embodiment 5, and the present embodiment emphasis illustrates and reality
The improvements that example 1 is compared are applied, something in common repeats no more, and in the present embodiment, the first step 3 is arranged in lower case 1
Inside sidewalls, the side-wall outer side of upper housing 2 is arranged in the second step 6, and the second step 6 of upper housing 2 is a tight fit in down
It achieves a fixed connection in the first step 3 of shell 1.In the present embodiment, the inwardly projecting formation of sidewall bottom of the upper housing 2
Inner ring 4, the aperture of the inner ring 4 are 2-14mm.
Embodiment 7:
Shown in as shown in Figure 1, Figure 3 and Figure 4, this implementation is advanced optimized on the basis of embodiment 5, and the present embodiment emphasis is explained
Improvements compared with Example 1 are stated, something in common repeats no more, and in the present embodiment, the first step 3 is arranged under
The side-wall outer side of upper housing 2,6 tight fit of second step of upper housing 2 is arranged in the inside sidewalls of shell 1, the second step 6
It achieves a fixed connection in the first step 3 of lower case 1.In the present embodiment, the height of the side wall of the upper housing 2 is 0.5-
7.0mm, the height of the side wall of the lower case 1 are 0.5-1.5mm.
Embodiment 8:
As illustrated in figs. 5-7, this implementation is advanced optimized on the basis of embodiment 5, and the present embodiment emphasis illustrates and reality
The improvements that example 1 is compared are applied, something in common repeats no more, and in the present embodiment, the first step 3 is arranged in lower case 1
Side-wall outer side, the inside sidewalls of upper housing 2 are arranged in the second step 6, and the first step 3 of lower case 1 is a tight fit in
It achieves a fixed connection in the second step 6 of shell 2.In the present embodiment, the side wall of the upper housing 2 with a thickness of 0.2-
7.0mm, the side wall of the lower case 1 with a thickness of 0.55-4.8mm.
Embodiment 9:
As shown in Figs 1-4, this implementation is advanced optimized on the basis of embodiment 5, and the present embodiment emphasis illustrates and reality
The improvements that example 1 is compared are applied, something in common repeats no more, and in the present embodiment, the first step 3 is arranged in lower case 1
Side-wall outer side, the inside sidewalls of upper housing 2 are arranged in the second step 6, and the first step 3 of lower case 1 is a tight fit in
It achieves a fixed connection in the second step 6 of shell 2.In the present embodiment, the inwardly projecting formation of sidewall bottom of the upper housing 2
Inner ring 4, the aperture of the inner ring 4 are 2-14mm.
Embodiment 10:
Shown in as shown in Figure 1, Figure 3 and Figure 4, this implementation is advanced optimized on the basis of embodiment 5, and the present embodiment emphasis is explained
Improvements compared with Example 1 are stated, something in common repeats no more, and in the present embodiment, the first step 3 is arranged under
The inside sidewalls of upper housing 2,3 tight fit of first step of lower case 1 is arranged in the side-wall outer side of shell 1, the second step 6
It achieves a fixed connection in the second step 6 of upper housing 2.In the present embodiment, the height of the side wall of the upper housing 2 is 0.5-
7.0mm, the height of the side wall of the lower case 1 are 0.5-1.5mm.
Embodiment 11:
As shown in Figure 1, this implementation is advanced optimized on the basis of embodiment 5, the present embodiment emphasis illustrates and implements
The improvements that example 1 is compared, something in common repeat no more, and in the present embodiment, the upper housing 2 can also be by ceramic body or conjunction
It is made at stone etc., the upper housing 2 can also be made of aluminium etc., in short, the density of upper housing 2 and/or specific gravity are than lower case 1
Greatly.
Embodiment 12:
It the present invention also provides a kind of ultrasonic sensor, has been used outside any ultrasonic sensor of embodiment 1-11
Made of shell structure.The internal structure of sensor and can only detect in the prior art 2 meters or so distance sensor internal
Structure is identical, and including that twisted pair (Fig. 8), plastic connector pin (Fig. 9), FPC (Figure 10) etc. are various mode occurs.
As shown in figure 11, the ultrasonic sensor made of shell of the invention is 44 ° under 58KHz state, at present city
Sensor on face is 55 ° in 58KHz, and at present in single angle visiting core field, 50 ° of production can be lower than under 58KHz state
Product are not yet.
As shown in figure 12, the sound pressure level value of the ultrasonic sensor made of shell of the invention is 99dB, at present market
On sensor majority sound pressure level be 90dB, sound pressure level is higher, and detectivity is higher, while sound pressure level often increases 3dB, visit
Core detectivity increases by 30%.
As shown in figure 13, the secondary lobe <-in the sound pressure level angle figure of the ultrasonic sensor made of shell of the invention
27dB, sensor majority secondary lobe on the market is all in -20dB or so at present.The problem of smaller visiting core of secondary lobe is reported by mistake just can solve.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (14)
1. a kind of Ulerasonic senser casing structure, which is characterized in that including outer cover body, the outer cover body includes lower case
(1) and with lower case (1) upper housing (2) being fixedly connected, lower case (1) is interior to be equipped with the first installation cavity (5), in upper housing (2)
Equipped with the second installation cavity (7) being connected to the first installation cavity (5), and the density of upper housing (2) and/or specific gravity are than lower case (1)
Greatly.
2. a kind of Ulerasonic senser casing structure according to claim 1, which is characterized in that the lower case (1) is in
Cyclic annular and cross section is U-shaped, upper housing (2) annularly, the side wall bottom end of upper housing (2) and the side wall top of lower case (1)
Be tightly fixed connection.
3. a kind of Ulerasonic senser casing structure according to claim 2, which is characterized in that the lower case (1)
Side wall is equipped with positioning column (8), offers positioning on position corresponding with positioning column (8) on the side wall of the upper housing (2)
Slot (9), the lower case (1) and upper housing (2) realize the company of being tightly fixed by the cooperation of positioning column (8) and locating slot (9)
It connects.
4. a kind of Ulerasonic senser casing structure according to claim 2, which is characterized in that the upper housing (2)
Side wall is equipped with positioning column (8), offers positioning on position corresponding with positioning column (8) on the side wall of the lower case (1)
Slot (9), the lower case (1) and upper housing (2) realize the company of being tightly fixed by the cooperation of positioning column (8) and locating slot (9)
It connects.
5. a kind of Ulerasonic senser casing structure according to claim 3, which is characterized in that the lower case (1)
The cross section of the positioning column (8) of side wall is in convex.
6. a kind of Ulerasonic senser casing structure according to claim 4, which is characterized in that the lower case (2)
The cross section of the locating slot (9) of side wall is in concave character type.
7. a kind of Ulerasonic senser casing structure according to claim 2, which is characterized in that the lower case (1)
Side wall top is equipped with first step (3), and the side wall bottom end of the upper housing (2) is equipped with second step (6), the lower case (1)
The connection that is tightly fixed is realized by the cooperation of first step (3) and second step (6) with upper housing (2).
8. a kind of Ulerasonic senser casing structure according to claim 7, which is characterized in that the first step (3)
Inside sidewalls in lower case (1), side-wall outer side of second step (6) setting in upper housing (2), upper housing (2) are set
Second step (6) be a tight fit in the first step (3) of lower case (1) and achieve a fixed connection.
9. a kind of Ulerasonic senser casing structure according to claim 7, which is characterized in that the first step (3)
Side-wall outer side in lower case (1), inside sidewalls of second step (6) setting in upper housing (2), lower case (1) are set
First step (3) be a tight fit in the second steps (6) of upper housing (2) and achieve a fixed connection.
10. a kind of Ulerasonic senser casing structure according to claim 8 or claim 9, which is characterized in that the upper housing
(2) the inwardly projecting formation inner ring (4) of sidewall bottom, the aperture of the inner ring (4) are 2-14mm.
11. a kind of Ulerasonic senser casing structure according to claim 8 or claim 9, which is characterized in that the upper housing
(2) side wall with a thickness of 0.2-7.0mm, the side wall of the lower case (1) with a thickness of 0.55-4.8mm.
12. a kind of Ulerasonic senser casing structure according to claim 8 or claim 9, which is characterized in that the upper housing
(2) height of side wall is 0.5-7.0mm, and the height of the side wall of the lower case (1) is 0.5-1.5mm.
13. -9 any a kind of Ulerasonic senser casing structure according to claim 1, which is characterized in that the upper casing
Body (2) is made of stainless steel or ceramic body, and the upper housing (2) is made of aluminum or aluminum alloy, in upper housing (2) and lower case
(1) junction is filled with glue.
14. a kind of ultrasonic sensor, which is characterized in that used ultrasound described in claim 1 to 13 any claim
Wave sensor shell mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860026.6A CN110441759A (en) | 2019-09-11 | 2019-09-11 | A kind of Ulerasonic senser casing structure and ultrasonic sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860026.6A CN110441759A (en) | 2019-09-11 | 2019-09-11 | A kind of Ulerasonic senser casing structure and ultrasonic sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110441759A true CN110441759A (en) | 2019-11-12 |
Family
ID=68439933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910860026.6A Pending CN110441759A (en) | 2019-09-11 | 2019-09-11 | A kind of Ulerasonic senser casing structure and ultrasonic sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110441759A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115079147A (en) * | 2022-07-21 | 2022-09-20 | 成都汇通西电电子有限公司 | Ultrasonic sensor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2881627Y (en) * | 2006-01-24 | 2007-03-21 | 北京工业大学 | Ultrasonic sensor specially for nondestructive detection of carbon steel spot-welding quality |
| CN101529927A (en) * | 2006-10-20 | 2009-09-09 | 株式会社村田制作所 | Ultrasonic sensor |
| CN102331574A (en) * | 2010-05-28 | 2012-01-25 | 株式会社村田制作所 | Ultrasonic sensor |
| CN103675797A (en) * | 2012-08-28 | 2014-03-26 | 株式会社万都 | Structure for ultrasonic transducer |
| CN103744074A (en) * | 2013-12-20 | 2014-04-23 | 常州波速传感器有限公司 | Novel ultrasonic sensor |
| KR20160058616A (en) * | 2014-11-17 | 2016-05-25 | 주식회사 일진베어링 | Ultrasonic transducer housing assembly and manufacturing method for the same |
| JP2019062446A (en) * | 2017-09-27 | 2019-04-18 | 京セラ株式会社 | Ultrasonic sensor |
| CN210835224U (en) * | 2019-09-11 | 2020-06-23 | 成都汇通西电电子有限公司 | Ultrasonic sensor shell structure and ultrasonic sensor |
-
2019
- 2019-09-11 CN CN201910860026.6A patent/CN110441759A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2881627Y (en) * | 2006-01-24 | 2007-03-21 | 北京工业大学 | Ultrasonic sensor specially for nondestructive detection of carbon steel spot-welding quality |
| CN101529927A (en) * | 2006-10-20 | 2009-09-09 | 株式会社村田制作所 | Ultrasonic sensor |
| CN102331574A (en) * | 2010-05-28 | 2012-01-25 | 株式会社村田制作所 | Ultrasonic sensor |
| CN103675797A (en) * | 2012-08-28 | 2014-03-26 | 株式会社万都 | Structure for ultrasonic transducer |
| CN103744074A (en) * | 2013-12-20 | 2014-04-23 | 常州波速传感器有限公司 | Novel ultrasonic sensor |
| KR20160058616A (en) * | 2014-11-17 | 2016-05-25 | 주식회사 일진베어링 | Ultrasonic transducer housing assembly and manufacturing method for the same |
| JP2019062446A (en) * | 2017-09-27 | 2019-04-18 | 京セラ株式会社 | Ultrasonic sensor |
| CN210835224U (en) * | 2019-09-11 | 2020-06-23 | 成都汇通西电电子有限公司 | Ultrasonic sensor shell structure and ultrasonic sensor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115079147A (en) * | 2022-07-21 | 2022-09-20 | 成都汇通西电电子有限公司 | Ultrasonic sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111473839B (en) | Ultrasonic transducer and nested structure thereof | |
| CA1187161A (en) | Ultrasonic sensing | |
| CN110441759A (en) | A kind of Ulerasonic senser casing structure and ultrasonic sensor | |
| CN114545168A (en) | Soft adsorption ultrasonic sensor for GIS partial discharge detection | |
| CN210835224U (en) | Ultrasonic sensor shell structure and ultrasonic sensor | |
| CN217133367U (en) | High-frequency sensor | |
| CN204996686U (en) | Ultrasonic sensor | |
| CN215340311U (en) | Ultrasonic sensor | |
| CN113359119B (en) | Side-scanning transducer based on circular arc piezoelectric composite material and preparation method thereof | |
| CN213544819U (en) | Ultrasonic sensor shell structure | |
| CN211217400U (en) | Integrated double-frequency transducer | |
| CN110523608B (en) | Integrated double-frequency transducer | |
| CN205506203U (en) | High pressure resistant spherical hydrophone | |
| CN113093206B (en) | Ultrasonic sensor | |
| CN213544820U (en) | Ultrasonic sensor shell structure | |
| CN201043998Y (en) | Ultrasonic sensor for ranging | |
| CN115407317B (en) | Underwater high-frequency ultrasonic sensor, system and robot | |
| CN218810340U (en) | Transmit-receive split type ultrasonic sensor module | |
| CN218465502U (en) | Ultrasonic sensor integrating MEMS chip and ASIC chip | |
| CN213986819U (en) | Ultrasonic sensor shell structure | |
| CN220479324U (en) | Piezoelectric ceramic piece and ultrasonic water meter transducer | |
| CN212206127U (en) | Novel ultrasonic sensor | |
| CN211576264U (en) | Gas flow sensor | |
| CN214096351U (en) | Porous channel type ultrasonic detector | |
| CN213688510U (en) | Sensor for ultrasonic gas 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 |