CN210051894U - Ultrasonic ranging device based on singlechip - Google Patents
Ultrasonic ranging device based on singlechip Download PDFInfo
- Publication number
- CN210051894U CN210051894U CN201920811356.1U CN201920811356U CN210051894U CN 210051894 U CN210051894 U CN 210051894U CN 201920811356 U CN201920811356 U CN 201920811356U CN 210051894 U CN210051894 U CN 210051894U
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- China
- Prior art keywords
- ultrasonic
- circuit board
- ranging device
- device based
- ultrasonic ranging
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- Expired - Fee Related
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Abstract
The utility model discloses an ultrasonic ranging device based on singlechip, include: a lower housing; an upper case fixed to a top of the lower case; an ultrasonic transmission probe provided at one end of the lower case; an ultrasonic receiving probe which is arranged at one end of the lower shell and is positioned at one side of the ultrasonic transmitting probe; the circuit board is arranged in the upper shell and is electrically connected with the ultrasonic transmitting probe and the ultrasonic receiving probe respectively; a shock absorbing mechanism supported between the circuit board and the upper case. This ultrasonic ranging device sets up the circuit board in solitary casing, supports fixedly through shockproof mechanism to the circuit board, improves this device shockproof, anti falling, compressive property, prevents that the circuit board from receiving the influence of other interference factors, improves the measurement accuracy and the life of this device. The circuit board is supported by the plurality of damping mechanisms, and the circuit board is prevented from being impacted by pressure from the outside.
Description
Technical Field
The utility model relates to an ultrasonic ranging device based on singlechip belongs to the range unit field.
Background
Ultrasonic waves propagate linearly, and the higher the frequency, the weaker the diffraction ability, but the stronger the reflection ability. Ultrasonic waves have strong directivity and are propagated in a medium for a long distance, so that the ultrasonic waves are often used for measuring the distance, and for example, a distance meter, a level meter and the like can be realized by the ultrasonic waves. The ultrasonic detection is often relatively rapid and convenient, the calculation is simple, the real-time control is easy to realize, and the requirement of industrial practicality can be met in the aspect of measurement precision.
The ultrasonic distance measurement is a non-contact detection technology, is not influenced by light, the color of a measured object and the like, is more convenient than other instruments, and can resist severe environments such as moisture and the like. The device has certain adaptability to the detected object in dark, dust, smoke, electromagnetic interference and other severe environments, and has the characteristics of less maintenance, no pollution, high reliability, long service life and the like, so the device can be widely applied to various fields. The distance accuracy can be calibrated on line in different environments, and the device can also be directly used for controlling water, wine, beverages and the like, can set difference values, and can directly display the heights of various liquid levels and materials. Therefore, ultrasonic waves have wide application in distance measurement in air and in special environments.
In recent years, an ultrasonic ranging system based on a single chip microcomputer is widely applied, ultrasonic waves are transmitted and received through a simple peripheral circuit, the single chip microcomputer obtains the propagation time of the ultrasonic waves through sampling, the distance is calculated, the ambient temperature can be collected for ranging compensation, and the ultrasonic ranging system is widely applied.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a developed an ultrasonic ranging device based on singlechip, set up the circuit board in last casing alone to installation shockproof mechanism makes ultrasonic ranging device have good taking precautions against earthquakes, compressive property, and the stability of device is good, and measurement accuracy is high.
The utility model provides a technical scheme does:
an ultrasonic ranging device based on singlechip includes:
a lower housing;
an upper case fixed to a top of the lower case;
an ultrasonic transmission probe provided at one end of the lower case;
an ultrasonic receiving probe which is arranged at one end of the lower shell and is positioned at one side of the ultrasonic transmitting probe;
the circuit board is arranged in the upper shell and is electrically connected with the ultrasonic transmitting probe and the ultrasonic receiving probe respectively;
a shock absorbing mechanism supported between the circuit board and the upper case;
preferably, the damping mechanism includes a first damping plate disposed on a top end surface of the circuit board and a second damping plate disposed on a bottom end surface of the circuit board.
Preferably, the first damper disc and the second damper disc are identical in structure and each include:
the damping sheet is of a circular structure, and a mounting hole is formed in the center of the damping sheet;
a plurality of support columns arranged on the damper sheet in a radial direction.
Preferably, the shock-absorbing sheet is of a multilayer structure and sequentially comprises from bottom to top: insulating layer, steel layer and rubber layer.
Preferably, the support column comprises, from inside to outside: steel layer and rubber layer.
Preferably, the other end of the lower case is provided with a power switch.
Preferably, the other end of the lower casing is further provided with a power interface, which is arranged on one side of the power switch.
Preferably, a display screen is arranged on the top of the upper shell.
Beneficial effect: the circuit board is independently arranged in the upper shell and electrically connected with other components, and is supported by the plurality of damping mechanisms, so that the circuit board is prevented from being impacted by pressure from the outside, the independence and the anti-interference performance of the circuit board can be improved, and the service life of the circuit board is prolonged. The multilayer structure is arranged, so that the shockproof mechanism has stronger supporting capability and deformation resistance, and meanwhile, the shielding layer is arranged, so that the interference of the steel layer on the circuit board can be prevented, and the measurement precision of the laser ranging device is improved.
Adopt the utility model relates to an ultrasonic ranging device based on singlechip carries out measurement of example can not receive interference such as weather, light, electromagnetic wave, low cost, simple manufacture simultaneously, and convenient operation becomes a non-contact measurement mode who is equipped with favour
Drawings
Fig. 1 is the utility model discloses an ultrasonic ranging device's based on singlechip structure schematic diagram.
Fig. 2 is a front view of the ultrasonic ranging device based on the single chip microcomputer.
Fig. 3 is a side view of the ultrasonic ranging device based on the single chip microcomputer.
Fig. 4 is a top view of the ultrasonic ranging device based on the single chip microcomputer.
Figure 5 is ultrasonic ranging device's axonometric drawing based on singlechip.
Fig. 6 is a schematic view of an internal structure of the first housing according to the present invention.
Fig. 7 is a schematic cross-sectional view of a first damping plate according to the present invention.
Fig. 8 is a block diagram of a control circuit according to the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
As shown in fig. 1-8, the utility model provides an ultrasonic ranging device based on singlechip, include: an upper case 110, a lower case 120, an ultrasonic transmission probe 130, an ultrasonic reception probe 140, a power switch 150, and a power plug 160.
The lower case 120 is provided at the lower portion of the ultrasonic ranging apparatus, and the upper case 110 is fixed to the top end portion of the lower case 120 by a connection bolt; the ultrasonic transmission probe 130 is provided at one end of the lower case 120, the ultrasonic reception probe 140 is also provided at one end of the lower case 120 on one side of the ultrasonic transmission probe 130, and the circuit board 170 is provided inside the upper case 110, and the circuit board 170 is fixed inside the upper case 110 by the vibration preventing mechanism. A display screen 111 is provided on the top end surface of the upper case 110, and a temperature sensor is provided on the lower case 120 at an end close to the lower case 120. At the other end of the lower case 120, a power switch 150 and a power plug 160 are further provided. The ultrasonic transmission probe 130, the ultrasonic reception probe 140, the temperature sensor, the power switch 150, and the power plug 160 are electrically connected to the circuit board 170.
As shown in fig. 8, in another embodiment, the circuit board 170 is provided with a control circuit, and the control circuit includes a single chip, and a power switch circuit, an ultrasonic wave transmitting circuit, an ultrasonic wave receiving circuit, a temperature collecting circuit, an alarm circuit, a power interface circuit and a display circuit connected to the single chip.
In the utility model discloses in, as an optimization, the model of singlechip is AT89S 51.
As shown in fig. 6 to 7, inside the first housing 110, a circuit board 170 is provided, and a damper mechanism is provided supported between the upper housing and the circuit board 170, and includes a first damper disk 180 and a second damper disk 190, the first damper disk 180 being provided on a top end surface of the circuit board 170, and the second damper disk 190 being provided on a bottom end surface of the circuit board 170.
First vibration damping disk 180 and second vibration damping disk 190 are multilayer structure, and wherein, the shock attenuation piece 181 includes by lower to last in proper order: the support column 182 comprises an insulating layer 181a, a steel layer 181b and a rubber layer 181c, and the steel layer 181b and the rubber layer 181c are arranged from inside to outside in sequence. The multilayer structure is arranged, so that the shockproof mechanism has stronger supporting capability and deformation resistance, and meanwhile, the shielding layer is arranged, so that the interference of the steel layer on the circuit board can be prevented, and the measurement precision of the laser ranging device is improved. The circuit board is independently arranged in the upper shell and electrically connected with other components, and is supported by the plurality of damping mechanisms, so that the circuit board is prevented from being impacted by pressure from the outside, the independence and the anti-interference performance of the circuit board can be improved, and the service life of the circuit board is prolonged.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (8)
1. The utility model provides an ultrasonic ranging device based on singlechip which characterized in that includes:
a lower housing;
an upper case fixed to a top of the lower case;
an ultrasonic transmission probe provided at one end of the lower case;
an ultrasonic receiving probe which is arranged at one end of the lower shell and is positioned at one side of the ultrasonic transmitting probe;
the circuit board is arranged in the upper shell and is electrically connected with the ultrasonic transmitting probe and the ultrasonic receiving probe respectively;
a shock absorbing mechanism supported between the circuit board and the upper case.
2. The ultrasonic ranging device based on the single chip microcomputer as claimed in claim 1, wherein the damping mechanism comprises a first damping plate disposed on a top end surface of the circuit board and a second damping plate disposed on a bottom end surface of the circuit board.
3. The ultrasonic ranging device based on the single chip microcomputer according to claim 2, wherein the first damping plate and the second damping plate have the same structure and both comprise:
the damping sheet is of a circular structure, and a mounting hole is formed in the center of the damping sheet;
a plurality of support columns arranged on the damper sheet in a radial direction.
4. The ultrasonic ranging device based on the single chip microcomputer as claimed in claim 3, wherein the damping sheet is of a multilayer structure and sequentially comprises from bottom to top: insulating layer, steel layer and rubber layer.
5. The ultrasonic ranging device based on the single chip microcomputer according to claim 4, wherein the supporting columns sequentially comprise from inside to outside: steel layer and rubber layer.
6. The ultrasonic ranging device based on the single chip microcomputer as claimed in claim 5, wherein a power switch is provided at the other end of the lower case.
7. The ultrasonic ranging device based on the single chip microcomputer as claimed in claim 6, wherein a power interface is further disposed at the other end of the lower housing and is disposed at one side of the power switch.
8. The ultrasonic ranging device based on the single chip microcomputer as claimed in claim 7, wherein a display screen is arranged on the top of the upper shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920811356.1U CN210051894U (en) | 2019-05-31 | 2019-05-31 | Ultrasonic ranging device based on singlechip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920811356.1U CN210051894U (en) | 2019-05-31 | 2019-05-31 | Ultrasonic ranging device based on singlechip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210051894U true CN210051894U (en) | 2020-02-11 |
Family
ID=69396865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920811356.1U Expired - Fee Related CN210051894U (en) | 2019-05-31 | 2019-05-31 | Ultrasonic ranging device based on singlechip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210051894U (en) |
-
2019
- 2019-05-31 CN CN201920811356.1U patent/CN210051894U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200211 Termination date: 20210531 |