CN214951463U

CN214951463U - Device for checking frequency response of ultrasonic sensor

Info

Publication number: CN214951463U
Application number: CN202120689854.0U
Authority: CN
Inventors: 林海立; 杨文俊; 陈越; 景思雨; 宫平; 刘凤丽
Original assignee: Wuhan Shangshanyi Technology Co ltd
Current assignee: Wuhan Shangshanyi Technology Co ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-11-30
Anticipated expiration: 2031-04-06

Abstract

The utility model discloses a device for ultrasonic sensor frequency response checks belongs to machining technical field, and it includes the device bottom plate, the upper surface of device bottom plate and the lower fixed surface of bottom plate connecting piece are connected, the upper surface of bottom plate connecting piece and the lower fixed surface who removes the slip table are connected, the left surface that removes the slip table inner wall is connected with same spacing slide bar with the right flank fixed connection of inner wall. This a device for ultrasonic sensor frequency response checks, through being provided with the removal locking piece, remove the locking hole, reset spring and arc cardboard, when sliding the middle part connecting plate, at first the pulling adjusting pull rod, make the arc cardboard shift up no longer the block at the locking groove of spacing slide bar surface, then carry out the horizontal slip, it will be fixed at the locking inslot to loosen the arc cardboard of adjusting the pull rod under the influence of reset spring reaction force again the block, prevent to rock about taking place at the check in-process, the stability of this frequency response checks device has been improved.

Description

Device for checking frequency response of ultrasonic sensor

Technical Field

The utility model belongs to the technical field of machining, specifically be a device for ultrasonic sensor frequency response checks.

Background

An ultrasonic sensor is a sensor that converts an ultrasonic signal into another energy signal (typically an electrical signal). Ultrasonic waves are mechanical waves with a vibration frequency higher than 20 kHz. It has the features of high frequency, short wavelength, less diffraction, high directivity, directional propagation, etc. The penetration of ultrasonic waves into liquids and solids is great, especially in sunlight-opaque solids. Ultrasonic waves hitting impurities or interfaces can generate significant reflection to form reflection echoes, and hitting moving objects can generate Doppler effect. The ultrasonic sensor is widely applied to the aspects of industry, national defense, biomedicine and the like, the commonly used ultrasonic sensor consists of a piezoelectric wafer and can transmit ultrasonic waves and receive the ultrasonic waves, and the commonly used ultrasonic sensor consists of a piezoelectric wafer and can transmit the ultrasonic waves and receive the ultrasonic waves. The low-power ultrasonic probe has a detection function.

The ultrasonic probe has many different structures, such as a straight probe (longitudinal wave), an inclined probe (transverse wave), a surface wave probe (surface wave), a lamb wave probe (lamb wave), a double probe (one probe for transmitting and one probe for receiving), and the like, the low-power ultrasonic probe has a detection function, and the core of the ultrasonic probe is a piezoelectric wafer in a plastic jacket or a metal jacket of the ultrasonic probe. The materials from which the wafer is constructed may vary widely. The size of the wafer, such as the diameter and thickness, varies, and therefore the performance of each probe varies, and it is necessary to know the performance of the probe in advance before use, and the ultrasonic sensor needs to be calibrated in frequency response during the production process.

Ultrasound sensing technology is used in different aspects of production practice, while medical applications are one of its most prominent applications, and the application of ultrasound sensing technology is exemplified below by medicine. The medical application of ultrasound is mainly to diagnose diseases, and it has become an indispensable diagnostic method in clinical medicine.

The probe mounting connecting plate of the traditional frequency response checking device slides on the sliding table, but does not have a locking structure for the probe mounting connecting plate, and the probe mounting connecting plate can shake left and right when the frequency response checking is carried out, so that the accuracy of checking data is influenced, and certain economic loss is caused.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the above-mentioned defect of prior art, the utility model provides a device for ultrasonic sensor frequency response checks, the probe erection joint board of having solved traditional frequency response and checking the device slides on the slip table, nevertheless does not have the locking structure to probe erection joint board, rocks about probe erection joint board probably takes place when carrying out frequency response and checks to influence the accuracy of check data, cause certain economic loss's problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a device for ultrasonic sensor frequency response checks, includes the device bottom plate, the upper surface of device bottom plate and the lower fixed surface of bottom plate connecting piece are connected, the upper surface of bottom plate connecting piece and the lower fixed surface who removes the slip table are connected, the same spacing slide bar of the left surface of removing the slip table inner wall and the right flank fixedly connected with of inner wall, the surface sliding connection of spacing slide bar has the middle part connecting plate.

The left surface of middle part connecting plate and the right flank fixed connection who removes the locking piece, the lower surface of middle part connecting plate and the top fixed connection of probe connecting piece, two outer fixed surface of bottom plate connecting piece are connected with two and connect the stand, and the bottom of two connection stands is connected with the last fixed surface of iron wire mounting panel, the lower surface of device bottom plate is connected with the last fixed surface on fixed chassis.

As a further aspect of the present invention: the outer surface of the limiting slide rod is provided with a locking groove, and the lower surface of the fixing base plate is clamped with a plurality of fixing suckers.

As a further aspect of the present invention: the inner wall of the fixed chassis is fixedly connected with two middle partition plates, and one surface of each of the two middle partition plates, which is close to each other, is connected with the same movable sliding plate in a sliding manner.

As a further aspect of the present invention: the left side of the inner wall of the fixed chassis and the right side of the inner wall of the fixed chassis are sleeved with the same adjusting threaded rod through a bearing, and the inner wall of the movable sliding plate is in threaded connection with the outer surface of the adjusting threaded rod.

As a further aspect of the present invention: the inner wall of the movable locking block is provided with a movable locking hole, and the front surface of the inner wall of the movable locking hole and the back surface of the inner wall are connected with the same adjusting pull rod in a sliding mode.

As a further aspect of the present invention: the outer surface of the adjusting pull rod is sleeved with a return spring, the upper end and the lower end of the return spring are respectively and fixedly connected to the outer surface of the adjusting pull rod and the inner wall of the movable locking hole, and the bottom end of the adjusting pull rod is fixedly connected with the upper surface of the arc-shaped clamping plate.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. this a device for ultrasonic sensor frequency response checks, through being provided with the removal slip table, spacing slide bar, the middle part connecting plate, the probe connecting piece, connect stand and iron wire mounting panel, through removing the slip table, spacing slide bar, the mutually supporting of middle part connecting plate and probe connecting piece, will produce the probe and install on the probe connecting piece, the position of controlling the middle part connecting plate about through carries out frequency response and checks to the check data accuracy of traditional frequency response check device has been improved, ultrasonic sensor's product quality is improved.

2. This a device for ultrasonic sensor frequency response checks, through being provided with the removal locking piece, adjust the pull rod, remove the locking hole, reset spring and arc cardboard, when sliding the middle part connecting plate, at first the pulling adjust the pull rod, make the arc cardboard shift up no longer the locking groove of block at spacing slide bar surface, then carry out the horizontal slip, it will be fixed at locking inslot to loosen the arc cardboard of adjusting the pull rod under reset spring reaction force's influence again the block, prevent to take place to control and rock at the check in-process, the stability of this frequency response checks device has been improved.

3. This a device for ultrasonic sensor frequency response checks, through being provided with the middle part division board, the fixed suction cup, adjusting threaded rod and removal slide, place this frequency response checks the device back on table surface, through rotatory adjusting threaded rod, the removal slide can slide to the left side under the spacing of both sides middle part division board, take out the inside air of fixed suction cup, thereby make this frequency response check the device and fix on table surface, prevent to lead to frequency response to check the device because the mistake bumps and drop and damage, improve the security of this frequency response check the device.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present invention;

fig. 2 is a schematic structural view of a top view section of the fixing chassis of the present invention;

fig. 3 is a schematic three-dimensional structure view of the movable locking block of the present invention;

FIG. 4 is a schematic structural diagram of a right-side section of the movable locking block of the present invention;

in the figure: the device comprises a device base plate 1, a base plate connecting piece 2, a movable sliding table 3, a limiting sliding rod 4, a middle connecting plate 5, a movable locking block 6, a probe connecting piece 7, a connecting upright post 8, an iron wire mounting plate 9, a fixed chassis 10, a middle partition plate 11, a fixed sucker 12, an adjusting threaded rod 13, a movable sliding plate 14, an adjusting pull rod 15, a movable locking hole 16, a return spring 17 and an arc-shaped clamping plate 18.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a device for ultrasonic sensor frequency response checks, includes device bottom plate 1, and the upper surface of device bottom plate 1 is connected with the lower fixed surface of bottom plate connecting piece 2, and the upper surface of bottom plate connecting piece 2 is connected with the lower fixed surface of removing slip table 3, and the same limit slide 4 of left surface fixedly connected with of the left surface of removing the 3 inner walls of slip table and the right flank of inner wall, and the surface sliding connection of limit slide 4 has middle part connecting plate 5.

The left side surface of a middle connecting plate 5 is fixedly connected with the right side surface of a movable locking block 6, the lower surface of the middle connecting plate 5 is fixedly connected with the top end of a probe connecting piece 7, the probe connecting piece 7 is arranged to facilitate workers to fix the probe by the probe connecting piece 7, the complexity of the fixing work is reduced, the outer surface of a bottom plate connecting piece 2 is fixedly connected with two connecting upright posts 8, the bottom ends of the two connecting upright posts 8 are fixedly connected with the upper surface of an iron wire mounting plate 9, the lower surface of a device bottom plate 1 is fixedly connected with the upper surface of a fixed chassis 10, a movable sliding table 3, a limit sliding rod 4, a middle connecting plate 5, a probe connecting piece 7, connecting upright posts 8 and the iron wire mounting plate 9 are arranged, and the generated probe is arranged on the probe connecting piece 7 through the mutual matching of the movable sliding table 3, the limit sliding rod 4, the middle connecting plate 5 and the probe connecting piece 7, the frequency response is checked by moving the position of the middle connecting plate 5 left and right, so that the accuracy of the check data of the traditional frequency response checking device is improved, and the product quality of the ultrasonic sensor is improved.

Specifically, as shown in fig. 2 and 4, the outer surface of the limit slide bar 4 is provided with a locking groove, the lower surface of the fixed chassis 10 is clamped with a plurality of fixed suckers 12, the inner wall of the fixed chassis 10 is fixedly connected with two middle partition plates 11, the movable sliding plate 14 can slide leftwards or rightwards under the limit of the middle partition plates 11 in two sides, one surface of the two middle partition plates 11, which is close to each other, is slidably connected with the same movable sliding plate 14, the left side surface of the inner wall of the fixed chassis 10 and the right side surface of the inner wall are sleeved with the same adjusting threaded rod 13 through a bearing, the inner wall of the movable sliding plate 14 is in threaded connection with the outer surface of the adjusting threaded rod 13, after the frequency response checking device is placed on the working table, the adjusting threaded rod 13 is rotated, the movable sliding plate 14 slides to the left side under the limit of the middle partition plate 11 in the two sides, and air in the fixed sucker 12 is pumped out, so that the frequency response checking device is fixed on the working table, the frequency response checking device is prevented from being damaged due to falling caused by mistaken collision, and the safety of the frequency response checking device is improved.

Specifically, as shown in fig. 1 and 3, a movable locking hole 16 is formed in the inner wall of the movable locking block 6, the front surface of the inner wall of the movable locking hole 16 and the back surface of the inner wall are slidably connected with the same adjusting pull rod 15, a return spring 17 is sleeved on the outer surface of the adjusting pull rod 15, the upper end and the lower end of the return spring 17 are respectively and fixedly connected with the outer surface of the adjusting pull rod 15 and the inner wall of the movable locking hole 16, the bottom end of the adjusting pull rod 15 is fixedly connected with the upper surface of an arc-shaped clamping plate 18, by arranging the movable locking block 6, the adjusting pull rod 15, the movable locking hole 16, the return spring 17 and the arc-shaped clamping plate 18, when the middle connecting plate 5 is slid, the adjusting pull rod 15 is firstly pulled to move up to prevent the arc-shaped clamping plate 18 from being clamped in a locking groove on the outer surface of the limiting slide bar 4, then the left-right sliding is performed, the arc-shaped clamping plate 18 is clamped in the locking groove again to fix the middle connecting plate 5 by loosening the adjusting pull rod 15 under the influence of the reaction force of the return spring 17, the frequency response checking device can prevent the left-right shaking in the checking process, and improve the stability of the frequency response checking device.

The utility model discloses a theory of operation does:

s1, when the middle connecting plate 5 slides, firstly, the adjusting pull rod 15 is pulled to enable the arc-shaped clamping plate 18 to move upwards and not to be clamped in the locking groove on the outer surface of the limiting slide rod 4, then, the left and right sliding is carried out, the arc-shaped clamping plate 18 can be clamped in the locking groove again under the influence of the reaction force of the reset spring 17 when the adjusting pull rod 15 is loosened to fix the middle connecting plate 5;

s2, after the frequency response checking device is placed on a working table, the movable sliding plate 14 slides to the left side under the limit of the partial partition plates 11 on the two sides by rotating the adjusting threaded rod 13, air in the fixed suction cup 12 is pumped out, and the frequency response checking device is fixed on the working table.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. An apparatus for ultrasonic sensor frequency response verification, comprising an apparatus chassis (1), characterized in that: the upper surface of the device bottom plate (1) is fixedly connected with the lower surface of a bottom plate connecting piece (2), the upper surface of the bottom plate connecting piece (2) is fixedly connected with the lower surface of a movable sliding table (3), the left side surface of the inner wall of the movable sliding table (3) and the right side surface of the inner wall are fixedly connected with a same limiting sliding rod (4), and the outer surface of the limiting sliding rod (4) is connected with a middle connecting plate (5) in a sliding manner;

the left surface of middle part connecting plate (5) and the right flank fixed connection who removes locking piece (6), the lower surface of middle part connecting plate (5) and the top fixed connection of probe connector (7), two outer fixed surface of bottom plate connector (2) are connected stand (8), and the bottom of two connection stands (8) is connected with the last fixed surface of iron wire mounting panel (9), the lower surface of device bottom plate (1) is connected with the last fixed surface of fixed chassis (10).

2. The apparatus of claim 1, wherein the apparatus further comprises: the outer surface of the limiting slide rod (4) is provided with a locking groove, and the lower surface of the fixed chassis (10) is clamped with a plurality of fixed suckers (12).

3. The apparatus of claim 2, wherein the ultrasonic sensor frequency response calibration comprises: the inner wall of the fixed chassis (10) is fixedly connected with two middle partition plates (11), and one surface, close to each other, of the two middle partition plates (11) is connected with the same movable sliding plate (14) in a sliding mode.

4. The apparatus of claim 3, wherein the ultrasonic sensor frequency response calibration comprises: the left side surface of the inner wall of the fixed chassis (10) and the right side surface of the inner wall are sleeved with the same adjusting threaded rod (13) through a bearing, and the inner wall of the movable sliding plate (14) is in threaded connection with the outer surface of the adjusting threaded rod (13).

5. The apparatus of claim 4, wherein the ultrasonic sensor frequency response calibration comprises: the inner wall of the movable locking block (6) is provided with a movable locking hole (16), and the front surface of the inner wall of the movable locking hole (16) and the back surface of the inner wall are connected with the same adjusting pull rod (15) in a sliding mode.

6. The apparatus of claim 5, wherein the ultrasonic sensor frequency response calibration comprises: the outer surface of the adjusting pull rod (15) is sleeved with a return spring (17), the upper end and the lower end of the return spring (17) are fixedly connected to the outer surface of the adjusting pull rod (15) and the inner wall of the movable locking hole (16) respectively, and the bottom end of the adjusting pull rod (15) is fixedly connected with the upper surface of the arc-shaped clamping plate (18).