CN209820282U - Sensor array impact point positioning device - Google Patents
Sensor array impact point positioning device Download PDFInfo
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- CN209820282U CN209820282U CN201920588445.4U CN201920588445U CN209820282U CN 209820282 U CN209820282 U CN 209820282U CN 201920588445 U CN201920588445 U CN 201920588445U CN 209820282 U CN209820282 U CN 209820282U
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- ultrasonic transmitting
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Abstract
The utility model discloses a sensor array impact point positioning device, which comprises a placing platform, wherein the placing platform is in a circular shape with radius r, the edge of the placing platform is provided with a first ultrasonic transmitting and receiving device, a second ultrasonic transmitting and receiving device and a first ultrasonic receiving device which are equidistant, the connecting line of the first ultrasonic transmitting and receiving device and the connecting line of the second ultrasonic receiving device and the second ultrasonic transmitting and receiving device pass through the center of the placing platform, the first ultrasonic transmitting and receiving device, the second ultrasonic transmitting and receiving device and the first ultrasonic receiving device respectively comprise a shell, a conical resonance disc, a piezoelectric gold sheet and pins, an impedance matcher is also arranged in the second ultrasonic receiving device and the first ultrasonic receiving device, the ultrasonic sensor is utilized to realize the positioning function of the boleopsis spread points, and the positioning effect is good.
Description
Technical Field
The utility model relates to an ultrasonic positioning field specifically is a sensor array is to some positioner that bounces.
Background
Ultrasonic position indicators use the spatial propagation characteristics of ultrasonic waves to determine the specific location of an object. The ultrasonic generator is placed on a positioned target, ultrasonic pulses are sent to the periphery according to a certain time interval, pulse signals sent by the ultrasonic transmitting devices are respectively received at 3 fixed positions on the periphery, the ultrasonic is slow in spatial transmission speed, so that the specific position of the ultrasonic generator, namely the position of the positioned target, can be inverted by comparing the time when the three receiving devices receive the signals, and when the target moves, the motion track of the target can be traced out through uninterrupted measurement.
The ultrasonic transmitting and receiving device consists of a transmitter and a piezoelectric wafer of a ceramic vibrator with the diameter of about 15mm, wherein the piezoelectric wafer is used for converting the electric vibration energy of the ceramic vibrator into super energy and radiating the super energy into the air; the ultrasonic wave receiving apparatus is composed of a piezoelectric chip of a ceramic vibrator and an amplifying circuit, the piezoelectric chip receives a wave, generates mechanical vibration, converts the mechanical vibration into electric energy as an output of a sensor receiver, and detects a transmitted ultrasonic wave. The control part mainly controls the pulse chain frequency, the duty ratio, the sparse modulation, the counting, the detection distance and the like sent by the transmitter. The power supply (or signal source) of the ultrasonic sensor can use DC12V +/-10% or 24V +/-10%. When a voltage is applied to the piezoelectric ceramic, mechanical deformation occurs with the change of the voltage and the frequency. On the other hand, when the piezoelectric ceramic is vibrated, an electric charge is generated. By using the principle (piezoelectric effect: some crystal or polycrystal ceramic dielectrics, when force is applied to the dielectrics in a certain direction to deform the dielectrics, polarization phenomenon is generated inside the dielectrics, and simultaneously equal charges with opposite signs are generated on two corresponding wafer surfaces of the dielectrics, when the external force disappears, the charges disappear, and the dielectrics restore to an uncharged state. Conversely, when ultrasonic vibration is applied to the bimorph element, an electric signal is generated. Based on the above effects, the piezoelectric ceramic can be used as an ultrasonic sensor.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a sensor array is some positioner that bounces utilizes ultrasonic sensor to realize that location effect is good to the location function of the spring some.
In order to achieve the above object, the utility model provides a following technical scheme:
a sensor array impact point positioning device comprises a placing platform, wherein the placing platform is circular, the radius of the placing platform is r, a first ultrasonic transmitting and receiving device, a second ultrasonic transmitting and receiving device and a first ultrasonic receiving device are arranged on the edge of the placing platform at equal intervals, the connecting line of the first ultrasonic transmitting and receiving device and the connecting line of the second ultrasonic receiving device and the second ultrasonic transmitting and receiving device pass through the center of the placing platform, the first ultrasonic transmitting and receiving device, the second ultrasonic transmitting and receiving device and the first ultrasonic receiving device respectively comprise a shell, a conical resonance disc, a piezoelectric gold sheet and pins, the conical resonance disc and the piezoelectric gold sheet are arranged in the shell, one end of each pin is connected with the piezoelectric gold sheet, and the other end of each pin extends out of the shell, an impedance matcher is further installed in the second ultrasonic receiving device and the first ultrasonic receiving device, the ultrasonic sensor is used for achieving the positioning function of the ink ignition point, and the positioning effect is good.
Furthermore, a first through hole is formed in the shell, a metal wire mesh cover is installed on the first through hole, ultrasonic waves are convenient to send, and sundries can be prevented from entering the shell through the metal wire mesh cover.
Further, placing the recess, four have all been seted up to placing platform's leftmost end, rightmost end, topmost and bottommost end placing groove subsection and first ultrasonic wave transmitting and receiving device, second ultrasonic wave transmitting and receiving device and first ultrasonic wave receiving device shape phase-match, be convenient for place first ultrasonic wave transmitting and receiving device, second ultrasonic wave transmitting and receiving device and first ultrasonic wave receiving device.
Furthermore, the wire mesh cover is embedded in the shell, and the embedded installation can effectively save space.
Furthermore, the first ultrasonic transmitting and receiving device, the second ultrasonic transmitting and receiving device and the first ultrasonic receiving device are all connected with an external power supply, so that power can be effectively supplied to the first ultrasonic transmitting and receiving device and the second ultrasonic receiving device.
Compared with the prior art, the utility model has the advantages of: the sensor array impact point positioning device comprises a first ultrasonic transmitting and receiving device, a second ultrasonic transmitting and receiving device and a first ultrasonic receiving device which are respectively positioned at A, B, C, D points and the intersection point of a circle with O as the center of a circle and r as the radius and a target surface coordinate axis, and the measuring system realizes positioning by utilizing echo signals transmitted by shells and adopting the time difference of the echo signals acquired by an ultrasonic sensor. The ultrasonic sensor is used for achieving the positioning function of the points of the spring, and the positioning effect is good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a circuit diagram of an ultrasonic transmitting and receiving device of the present invention;
fig. 2 is a circuit diagram of the ultrasonic receiving apparatus of the present invention;
FIG. 3 is a block diagram of the present invention;
fig. 4 is a system block diagram of the measurement switching circuit of the present invention.
Reference numerals: the ultrasonic wave sensor comprises a shell 1, a metal wire mesh enclosure 2, a conical resonance disc 3, a piezoelectric gold sheet 4, pins 5, an impedance matcher 6, a first ultrasonic wave transmitting and receiving device 7, a second ultrasonic wave receiving device 8, a second ultrasonic wave transmitting and receiving device 9, a first ultrasonic wave receiving device 10 and a placing platform 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-4, the utility model provides a sensor array impact point positioning device, which comprises a placing platform 11, the placing platform 11 is circular with radius r, the edge of the placing platform 11 is provided with a first ultrasonic transmitting and receiving device 7, a second ultrasonic receiving device 8, a second ultrasonic transmitting and receiving device 9 and a first ultrasonic receiving device 10 which are equidistant, the connecting line of the first ultrasonic transmitting and receiving device 7 and the first ultrasonic receiving device 10 and the connecting line of the second ultrasonic receiving device 8 and the second ultrasonic transmitting and receiving device 9 all pass through the center of the placing platform 11, the first ultrasonic transmitting and receiving device 7, the second ultrasonic receiving device 8, the second ultrasonic transmitting and receiving device 9 and the first ultrasonic receiving device 10 all comprise a shell 1, a conical resonance disk 3, a piezoelectric gold sheet 4 and a pin 5, the conical resonance disk 3 and the piezoelectric gold sheet 4 are installed in the shell 1, one end of the pin 5 and the other end of the piezoelectric gold sheet 4, which is connected with the pin 5, extend out of the housing 1, an impedance matcher 6 is further installed in the second ultrasonic receiving device 8 and the first ultrasonic receiving device 10, the ultrasonic sensor is used for achieving a positioning function for a bolthole point, and the positioning effect is good.
In this embodiment, the first through hole has been seted up on shell 1, installs wire screen panel 2 on the first through hole, is convenient for send the ultrasonic wave, can avoid debris to enter into in the shell 1 through wire screen panel 2.
In this embodiment, the placement platform 11 has been all seted up at leftmost end, rightmost end, topmost end and the bottommost end and has been placed the recess, four recess branches of placing and first ultrasonic wave transmitting and receiving device 7, second ultrasonic wave receiving device 8, second ultrasonic wave transmitting and receiving device 9 and first ultrasonic wave receiving device 10 shape phase-matches, are convenient for place first ultrasonic wave transmitting and receiving device 7, second ultrasonic wave receiving device 8, second ultrasonic wave transmitting and receiving device 9 and first ultrasonic wave receiving device 10.
In this embodiment, the wire mesh enclosure 2 is embedded in the housing 1, and the embedded installation can effectively save space.
In this embodiment, the first ultrasonic transmitting and receiving device 7, the second ultrasonic receiving device 8, the second ultrasonic transmitting and receiving device 9, and the first ultrasonic receiving device 10 are all connected to an external power source, so as to effectively supply power thereto.
The sensor array impact point positioning device is composed of a first ultrasonic transmitting and receiving device 7, a second ultrasonic receiving device 8, a second ultrasonic transmitting and receiving device 9 and a first ultrasonic receiving device 10 which are respectively positioned at A, B, C, D points and the intersection point of a circle with O as the center of a circle and r as the radius and a target surface coordinate axis, the measuring system utilizes echo signals transmitted by shells, the time difference of the echo signals is obtained by adopting an ultrasonic sensor to realize positioning, and the system block diagram of a measuring and converting circuit is shown in figure 4.
Two pairs of first ultrasonic transmitting and receiving devices 7 and second ultrasonic transmitting and receiving devices 9 with different frequencies are respectively arranged at a point D, a point A, B is respectively provided with a second ultrasonic receiving device 8 and a first ultrasonic receiving device 10 which have the same frequency with the C, D point sensor, ultrasonic waves with different frequencies are transmitted by c and D, echo is generated by the reflection of the surface of the shell after contacting the shell, and echo signals are respectively received by a and b. B, processing the echo signal received by the a to trigger a timing circuit to start timing, and counting as t1 until the timing of the echo signal received by the c stops; and b, processing the received echo signal to trigger a timing circuit to start timing, and counting as t2 until d stops timing when the echo signal is received. As shown in FIG. 3, Mx and y are the striking points of the artillery, CM and DM are intersected with the circle at N, Q, and the direction angles α, θ and β are defined as the included angles between CM and y axis, between DM and x axis, and between OM and x axis, respectively. Considering here that the circular array of sensors r < is relatively small, we can approximate MA as MN and MB as MQ. Consisting of circles and triangles.
The calculation formula is as follows:
finding β, OM gives x, y:
MA＝MN
MQ＝MB
x, y can be derived from (1) and (2)
Namely:
the utility model discloses utilize ultrasonic sensor to realize the locate function to the point of being covered, the location effect is good, and this is exactly the utility model discloses a theory of operation, the content of not making detailed description in this specification all belongs to the prior art that this skilled person is known simultaneously.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes and modifications can be made by the owner within the scope of the appended claims, and the protection scope of the present invention should not be exceeded by the claims.
Claims (5)
1. A sensor array landing point positioning device, comprising a placement platform (11), characterized in that: the ultrasonic vibration testing device is characterized in that the placing platform (11) is circular with a radius of r, a first ultrasonic transmitting and receiving device (7), a second ultrasonic receiving device (8), a second ultrasonic transmitting and receiving device (9) and a first ultrasonic receiving device (10) are arranged on the edge of the placing platform (11) at equal intervals, the connecting line of the first ultrasonic transmitting and receiving device (7) and the first ultrasonic receiving device (10) and the connecting line of the second ultrasonic receiving device (8) and the second ultrasonic transmitting and receiving device (9) all pass through the center of the placing platform (11), the first ultrasonic transmitting and receiving device (7), the second ultrasonic receiving device (8), the second ultrasonic transmitting and receiving device (9) and the first ultrasonic receiving device (10) all comprise a shell (1), a conical resonance disc (3), a piezoelectric gold sheet (4) and pins (5), the conical resonance disk (3) and the piezoelectric gold sheet (4) are installed in the shell (1), one end of the pin (5) is connected with the piezoelectric gold sheet (4), the other end of the pin (5) extends to the outside of the shell (1), and an impedance matcher (6) is further installed in the second ultrasonic receiving device (8) and the first ultrasonic receiving device (10).
2. The sensor array landing point positioning device of claim 1, wherein: the shell (1) is provided with a first through hole, and the first through hole is provided with a metal wire mesh enclosure (2).
3. The sensor array landing point positioning device of claim 1, wherein: the placement platform (11) has the advantages that the leftmost end, the rightmost end, the uppermost end and the lowermost end are provided with placement grooves, and the placement grooves are respectively matched with the shapes of the first ultrasonic transmitting and receiving device (7), the second ultrasonic receiving device (8), the second ultrasonic transmitting and receiving device (9) and the first ultrasonic receiving device (10).
4. The sensor array landing point positioning device of claim 2, wherein: the metal wire mesh enclosure (2) is embedded in the shell (1).
5. The sensor array landing point positioning device of claim 1, wherein: the first ultrasonic transmitting and receiving device (7), the second ultrasonic receiving device (8), the second ultrasonic transmitting and receiving device (9) and the first ultrasonic receiving device (10) are all connected with an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920588445.4U CN209820282U (en) | 2019-04-27 | 2019-04-27 | Sensor array impact point positioning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920588445.4U CN209820282U (en) | 2019-04-27 | 2019-04-27 | Sensor array impact point positioning device |
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| CN209820282U true CN209820282U (en) | 2019-12-20 |
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| CN201920588445.4U Active CN209820282U (en) | 2019-04-27 | 2019-04-27 | Sensor array impact point positioning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114963881A (en) * | 2022-05-19 | 2022-08-30 | 中国人民解放军总参谋部第六十研究所 | Open type target scoring device for realizing omnidirectional incident positioning |
-
2019
- 2019-04-27 CN CN201920588445.4U patent/CN209820282U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114963881A (en) * | 2022-05-19 | 2022-08-30 | 中国人民解放军总参谋部第六十研究所 | Open type target scoring device for realizing omnidirectional incident positioning |
| CN114963881B (en) * | 2022-05-19 | 2023-07-25 | 中国人民解放军总参谋部第六十研究所 | Open type target reporting device for realizing omnidirectional incidence positioning |
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