CN108445495A - Ultrasonic wave transmitting circuit and Ultrasonic ranging device - Google Patents
Ultrasonic wave transmitting circuit and Ultrasonic ranging device Download PDFInfo
- Publication number
- CN108445495A CN108445495A CN201810342720.4A CN201810342720A CN108445495A CN 108445495 A CN108445495 A CN 108445495A CN 201810342720 A CN201810342720 A CN 201810342720A CN 108445495 A CN108445495 A CN 108445495A
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- wave transmitting
- transformer
- pulse signal
- transmitting circuit
- ultrasound wave
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- 238000002604 ultrasonography Methods 0.000 claims abstract description 26
- 239000000523 sample Substances 0.000 claims description 12
- 230000000295 complement effect Effects 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims 1
- 230000004888 barrier function Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 239000002609 medium Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000644 propagated effect Effects 0.000 description 3
- 239000012736 aqueous medium Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
-
- 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
- G01S7/523—Details of pulse systems
- G01S7/524—Transmitters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Transducers For Ultrasonic Waves (AREA)
Abstract
The present invention provides a kind of ultrasonic wave transmitting circuit and Ultrasonic ranging devices, belong to supersonic sounding technical field.Wherein, ultrasonic wave transmitting circuit, including impulse generator, transformer and transmitter unit, the impulse generator is for generating pulse signal；The transformer is used to improve the amplitude of the pulse signal；The transmitter unit is for emitting pulse signal.Ultrasound wave transmitting circuit and Ultrasonic ranging device provided in an embodiment of the present invention, the amplitude for the pulse signal that impulse generator generates is improved using transformer, compared with the prior art improves the amplitude of transmitting signal using phase inverter, the intensity of transmitting signal can be improved, increases finding range.
Description
Technical field
The present invention relates to supersonic sounding technical fields, in particular to a kind of ultrasonic wave transmitting circuit and supersonic sounding
Device.
Background technology
Needed for existing ultrasound wave transmitting circuit is obtained frequently with timer chip, in conjunction with resistive element, capacity cell etc.
The transmitting signal of frequency recycles phase inverter to improve transmitting signal amplitude.Since the operating voltage of phase inverter is relatively low, direct shadow
The intensity for having rung transmitting signal, causes finding range less than normal.
Invention content
For the above-mentioned prior art the problem of, the present invention provides a kind of ultrasonic wave transmitting circuit and supersonic soundings
Device can improve the intensity of transmitting signal, increase finding range.
In a first aspect, an embodiment of the present invention provides a kind of ultrasonic wave transmitting circuit, including impulse generator, transformer and
Transmitter unit；
The impulse generator is for generating pulse signal；
The transformer is used to improve the amplitude of the pulse signal；
The transmitter unit is for emitting pulse signal.
With reference to first aspect, an embodiment of the present invention provides the first possible embodiments of first aspect, wherein institute
Impulse generator, the transformer and the transmitter unit is stated to be sequentially connected.
The possible embodiment of with reference to first aspect the first, an embodiment of the present invention provides second of first aspect
Possible embodiment, wherein the circuit further includes driving circuit, and the driving circuit is for improving the pulse signal
Amplitude.
Second of possible embodiment with reference to first aspect, an embodiment of the present invention provides the third of first aspect
Possible embodiment, wherein the driving circuit is connected between the impulse generator and the transformer.
The third possible embodiment with reference to first aspect, an embodiment of the present invention provides the 4th kind of first aspect
Possible embodiment, wherein the ultrasound wave transmitting circuit further includes booster circuit, the booster circuit and driving electricity
Road connects, for providing operating voltage for the driving circuit.
With reference to first aspect or second of possible embodiment of first aspect, an embodiment of the present invention provides first party
The 5th kind of possible embodiment in face, wherein the impulse generator includes microcontroller, and the microcontroller has timer work(
A pair of complementary pulse signal of two pins output of energy.
The 5th kind of possible embodiment with reference to first aspect, an embodiment of the present invention provides the 6th kind of first aspect
Possible embodiment, wherein two pins of the microcontroller connect the input terminal of the transformer.
The 5th kind of possible embodiment with reference to first aspect, an embodiment of the present invention provides the 7th kind of first aspect
Possible embodiment, wherein the driving circuit includes MOS drivers；Two pins of the microcontroller are separately connected institute
State two input pins of MOS drivers；Two output pins of the MOS drivers connect the input terminal of the transformer.
With reference to first aspect, an embodiment of the present invention provides the 8th kind of possible embodiments of first aspect, wherein institute
It includes transmitting probe to state transmitter unit；The transmitting probe is connect with the output end of the transformer, by the arteries and veins after raising amplitude
It rushes after signal is converted to ultrasonic wave and is emitted.
Second aspect, the embodiment of the present invention additionally provide a kind of Ultrasonic ranging device, including shell and above-mentioned ultrasonic wave
Radiating circuit；The ultrasound wave transmitting circuit is arranged in the shell.
The embodiment of the present invention brings following advantageous effect：
Ultrasound wave transmitting circuit and Ultrasonic ranging device provided in an embodiment of the present invention, wherein ultrasonic wave transmitting circuit, packet
Impulse generator, transformer and transmitter unit are included, the amplitude for the pulse signal that impulse generator generates is improved using transformer, with
The amplitude that the prior art improves transmitting signal using phase inverter is compared, and the intensity of transmitting signal can be improved, and increases finding range.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages are in specification, claims
And specifically noted structure is realized and is obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
The structure diagram for the ultrasonic wave transmitting circuit that Fig. 1 is provided by one embodiment of the invention；
The circuit diagram for the impulse generator that Fig. 2 is provided by one embodiment of the invention；
The circuit diagram for the booster circuit that Fig. 3 is provided by one embodiment of the invention；
The circuit diagram for the driving circuit and transformer that Fig. 4 is provided by one embodiment of the invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.The component of embodiments of the present invention, which are generally described and illustrated herein in the accompanying drawings can be matched with a variety of different
It sets to arrange and design.Therefore, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit below
The range of claimed invention, but it is merely representative of the selected embodiment of the present invention.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to the present invention
The range of protection.
In view of existing ultrasonic wave transmitting circuit is frequently with timer chip, obtained in conjunction with resistive element, capacity cell etc.
To the transmitting signal of required frequency, phase inverter is recycled to improve transmitting signal amplitude, since resistive element and capacity cell are general
Error is larger, causes the frequency accuracy of the signal of transmitting and stability poor.Also, due to the operating voltage of phase inverter also compared with
It is low, the intensity of transmitting signal is directly affected, causes finding range less than normal.Based on the above issues, an embodiment of the present invention provides
A kind of ultrasound wave transmitting circuit and Ultrasonic ranging device, is below first situated between in detail to the ultrasonic wave transmitting circuit of the present invention
It continues.
Embodiment one
A kind of ultrasonic wave transmitting circuit is present embodiments provided, as shown in Figures 1 to 4, ultrasound report radiating circuit includes
Impulse generator 1, transformer 3 and transmitter unit 4.Wherein, impulse generator 1 is for generating pulse signal；Transformer 3 is for carrying
The amplitude of high pulse signal；Transmitter unit 4 is for emitting pulse signal.
Optionally, ultrasound report radiating circuit can also include driving circuit 2.Impulse generator 1, driving circuit 2, transformer
3 and transmitter unit 4 be sequentially connected.Driving circuit 2 is used to improve the amplitude of the pulse signal of the generation of impulse generator 1.
Ultrasonic wave transmitting circuit further includes booster circuit 5, and booster circuit 5 is connect with driving circuit 2, for being driving circuit
2 provide operating voltage.
As shown in Fig. 2, microcontroller may be used for impulse generator 1 or other control chips with timer function generate
Pulse signal.For example, the MCS-51 series monolithics or STM32 series monolithics of Intel Company's exploitation may be used.MCS-51
The microcontroller of series uses 40 pin dual-inline packages, is internally provided with two timers.The monolithic equipment of STM32 series
There are 32 pins, 4 16 bit timing devices, each timer there are 4 pulse counters.
The power pins of microcontroller are used to connect the power supply of 3.3V.The reset pin of microcontroller connects reset circuit.It resets
Circuit includes the resistance R5 being connected in series with and capacitance C11, and resistance R5 is connect with power supply, capacitance C11 ground connection.Reset pin is connected to
Between resistance R5 and capacitance C11.Impulse generator 1 uses the crystal oscillating circuit of 8MHz, crystal oscillating circuit that quartz crystal may be used.It is brilliant
Two output ends of circuit of shaking are separately connected the 2nd pin and the 3rd pin of microcontroller.12nd pin of microcontroller and the 13rd pin
A pair of complementary pulse signal of output.
As shown in figure 4, driving circuit includes MOS drivers U1.12nd pin of microcontroller and the 13rd pin are separately connected
Two the input pins IN-A and IN-B of MOS drivers U1.The width for the pulse signal that MOS drivers U1 can export microcontroller
Value is increased to 8V.The power pins of MOS drivers U1 connect booster circuit 5.
As shown in figure 3, booster circuit 5 includes boost chip U2, boost chip U2 can select LM2733 family chips,
The boost chip of LM2733 series belongs to the booster of current-mode, and the DC input voitage of 5V can be converted to the direct current of 8V
Voltage output.The power pins that the voltage output pin of boost chip U2 passes through diode D1 and resistance R1 and MOS drivers U1
Connection, the operating voltage for providing 8V for MOS drivers U1.It can also be connect by capacitance between diode D1 and resistance R1
Ground.As shown in figure 3, after capacitance C6, capacitance C33 and capacitance C34 parallel connections, one end is connected between diode D1 and resistance R1, separately
One end is grounded.
The input terminal of two output pins connection transformer T1 of MOS drivers U1, transformer T1 can be by pulse signal
Amplitude further increase.The ratio of the primary coil and secondary coil of transformer is adjusted, transformer T1 can be by the pulse of 8V
The amplitude of signal is improved to 140V, even higher.
In an optional embodiment, ultrasonic wave transmitting circuit can not also include driving circuit, and the 12nd of microcontroller draws
Foot and the 13rd pin are directly connected to the input terminal of transformer T1, and the amplitude for the pulse signal that transformer T1 generates microcontroller is direct
It is promoted to 140V or so.
It should be noted that microcontroller can also use other pins except the 12nd pin and the 13rd pin as pulse
The output pin of signal.
Two output end OUT1 of transformer T1 connect transmitter unit 4 with OUT2, and transmitter unit 4 includes transmitting probe, hair
It penetrates after the pulse signal after improving amplitude is converted to ultrasonic wave by probe and emits.Transmitting probe may be used ultrasonic piezoelectricity and change
It can device.The ultrasonic wave waveform of through experimental tests, transmitting probe transmitting can be with meet demand.
The operation principle of ultrasound wave transmitting circuit provided in this embodiment is as follows：
Two of the microcontroller of impulse generator have a pair of complementary and precision of pin output of timer function higher
40kHZ pulse signals, after double high-speed power MOS drivers that 8V works, the amplitude of pulse signal improves the pulse signal
To about 8V, then through transformer the pulse signal is converted into amplitude and is up to about the sinusoidal signal of 140V triggering transmitting probe, make
Transmitting probe emits ultrasonic signal.Since the amplitude of pulse signal is higher, the ultrasonic signal of transmitting can be improved
Intensity.
Ultrasound wave transmitting circuit provided in this embodiment, can be used for range unit, Medical Instruments (such as color ultrasound, B ultrasound)
Or in humidifier.When ultrasonic wave is used for ranging, ultrasonic wave transmitting circuit emits ultrasonic wave to a direction, and the spontaneous emission moment starts
Timing, ultrasonic wave are propagated in air, are encountered barrier on the way and just are returned to come immediately, and ultrasonic receiver is stood after receiving back wave
Stop timing.Emit with radiating circuit the time difference when ultrasonic wave when being connected to ultrasonic wave according to receiver, calculate launch point away from
With a distance from barrier.Ultrasonic wave is for when being imaged, the ultrasonic wave sent out from ultrasound emission circuit to be through sound lens focusing impermeable
On bright sample, the ultrasonic wave appeared from sample is carried by the information according to position, is converged on piezo receiver through acoustic lens, is turned
It is changed to electric signal.Ultrasonic wave transmitting circuit can also detect a flaw, thickness measuring and remote control.When ultrasonic wave is used for humidifier, ultrasonic transmitter
Launch ultrasonic wave, ultrasonic wave is propagated in aqueous medium, and the frequency of aqueous medium particle vibration is very high, and vibration can make the water in tank broken
Many small droplets are broken into, then small droplet is blown into interior with small fan, so that it may to increase the humidity of room air.
Ultrasound wave transmitting circuit provided in this embodiment, including impulse generator, transformer and transmitter unit, using transformation
Device improves the amplitude for the pulse signal that impulse generator generates, and improves the amplitude phase of transmitting signal using phase inverter with the prior art
Than that can improve the intensity of transmitting signal, increase finding range.In addition, impulse generator generates pulse signal using microcontroller,
Accuracy and the stability of the frequency of pulse signal can be improved, and expensive high-precision Resistor-Capacitor Unit, section need not be used
Cost is saved.
Embodiment two
Present embodiments provide ultrasonic wave recorded in a kind of Ultrasonic ranging device, including shell and above-described embodiment one
Radiating circuit.Ultrasonic wave transmitting circuit is arranged in shell.The Ultrasonic ranging device can also include ultrasonic wave receiving circuit.
Ultrasonic wave transmitting circuit includes impulse generator, transformer and transmitter unit, impulse generator, transformer and transmitting
Unit is sequentially connected.Wherein, impulse generator is for generating pulse signal.Transformer is used to improve the amplitude of pulse signal.Hair
Unit is penetrated for emitting pulse signal.
Optionally, ultrasonic wave transmitting circuit further includes driving circuit, and driving circuit is connected to impulse generator and transformer
Between, the amplitude for improving pulse signal.
Optionally, ultrasonic wave transmitting circuit further includes booster circuit, and booster circuit is connect with driving circuit, for being driving
Circuit provides operating voltage.
The operation principle of supersonic range finder provided in this embodiment is as follows：
After supersonic range finder is powered, ultrasonic wave transmitting circuit emits ultrasonic wave to a direction, and the spontaneous emission moment opens
Beginning timing, ultrasonic wave are propagated in air or other media, are encountered barrier on the way and just are returned to come immediately, ultrasonic receiver is received
Stop timing immediately after to back wave.Time difference when emitting with radiating circuit ultrasonic wave when being connected to ultrasonic wave according to receiver and
The spread speed of ultrasonic wave in the medium, you can to calculate distance of the launch point apart from barrier.
Supersonic range finder provided in this embodiment improves the pulse signal that impulse generator generates using transformer
Amplitude can improve the intensity of transmitting signal, increase finding range.In addition, impulse generator generates pulse letter using microcontroller
Number, accuracy and the stability of the frequency of pulse signal can be improved, and expensive high-precision Resistor-Capacitor Unit need not be used,
Save cost.
Ultrasound wave transmitting circuit and Ultrasonic ranging device technical characteristic having the same provided in an embodiment of the present invention, so
Also identical technical problem can be solved, identical technique effect is reached.
It should be noted that in embodiment provided by the present invention, it should be understood that disclosed system and method, it can
To realize by another way.The apparatus embodiments described above are merely exemplary, for example, the unit is drawn
Point, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, in another example, multiple units or group
Part can be combined or can be integrated into another system, or some features can be ignored or not executed.It is described to be used as separation unit
The unit that part illustrates may or may not be physically separated, and the component shown as unit can be or also may be used
Not to be physical unit, you can be located at a place, or may be distributed over multiple network units.It can be according to reality
Needs some or all of the units may be selected to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in embodiment provided by the invention can be integrated in a processing unit, also may be used
It, can also be during two or more units be integrated in one unit to be that each unit physically exists alone.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be expressed in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic disc or CD.
In the description of the present invention, term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner",
The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this hair
Bright and simplified description, does not indicate or imply the indicated device or element must have a particular orientation, with specific orientation
Construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase
To importance.
Finally it should be noted that：Embodiment described above, only specific implementation mode of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those of ordinary skill in the art that：Any one skilled in the art
In the technical scope disclosed by the present invention, it can still modify to the technical solution recorded in previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover the protection in the present invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of ultrasound wave transmitting circuit, which is characterized in that including impulse generator, transformer and transmitter unit；
The impulse generator is for generating pulse signal；
The transformer is used to improve the amplitude of the pulse signal；
The transmitter unit is for emitting pulse signal.
2. ultrasound wave transmitting circuit according to claim 1, which is characterized in that the impulse generator, the transformer
It is sequentially connected with the transmitter unit.
3. ultrasound wave transmitting circuit according to claim 2, which is characterized in that the circuit further includes driving circuit, institute
State amplitude of the driving circuit for improving the pulse signal.
4. ultrasound wave transmitting circuit according to claim 3, which is characterized in that the driving circuit is connected to the pulse
Between generator and the transformer.
5. ultrasound wave transmitting circuit according to claim 4, which is characterized in that the ultrasound wave transmitting circuit further includes rising
Volt circuit, the booster circuit are connect with the driving circuit, for providing operating voltage for the driving circuit.
6. ultrasound wave transmitting circuit according to claim 1 or 3, which is characterized in that the impulse generator includes monolithic
Machine, the microcontroller have a pair of complementary pulse signal of two pins output of timer function.
7. ultrasound wave transmitting circuit according to claim 6, which is characterized in that two pins of the microcontroller connect institute
State the input terminal of transformer.
8. ultrasound wave transmitting circuit according to claim 6, which is characterized in that the driving circuit includes MOS drivers；
Two pins of the microcontroller are separately connected two input pins of the MOS drivers；Two of the MOS drivers are defeated
Go out the input terminal that pin connects the transformer.
9. ultrasound wave transmitting circuit according to claim 1, which is characterized in that the transmitter unit includes transmitting probe；
The transmitting probe is connect with the output end of the transformer, after the pulse signal after raising amplitude is converted to ultrasonic wave
Emitted.
10. a kind of Ultrasonic ranging device, which is characterized in that including shell and ultrasonic wave according to any one of claims 1 to 9
Radiating circuit；The ultrasound wave transmitting circuit is arranged in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810342720.4A CN108445495A (en) | 2018-04-13 | 2018-04-13 | Ultrasonic wave transmitting circuit and Ultrasonic ranging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810342720.4A CN108445495A (en) | 2018-04-13 | 2018-04-13 | Ultrasonic wave transmitting circuit and Ultrasonic ranging device |
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| Publication Number | Publication Date |
|---|---|
| CN108445495A true CN108445495A (en) | 2018-08-24 |
Family
ID=63200040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810342720.4A Pending CN108445495A (en) | 2018-04-13 | 2018-04-13 | Ultrasonic wave transmitting circuit and Ultrasonic ranging device |
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Citations (7)
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|---|---|---|---|---|
| JP2010230425A (en) * | 2009-03-26 | 2010-10-14 | Denso Corp | Obstacle detector |
| CN201974526U (en) * | 2011-03-29 | 2011-09-14 | 利尔达科技有限公司 | Transmit-receive integrated ultrasonic ranging module |
| CN102621552A (en) * | 2012-01-13 | 2012-08-01 | 奇瑞汽车股份有限公司 | High-precision ultrasonic range-measuring system |
| CN103645478A (en) * | 2013-12-20 | 2014-03-19 | 奇瑞汽车股份有限公司 | Ultrasonic distance measuring device |
| CN204086534U (en) * | 2014-07-18 | 2015-01-07 | 同致电子科技（厦门）有限公司 | A kind of raising ultrasonic radar detection range circuit |
| CN205643698U (en) * | 2016-01-18 | 2016-10-12 | 黄锦波 | Ultrasonic emission circuit and range unit and car and aircraft and robot |
| CN210005687U (en) * | 2018-04-13 | 2020-01-31 | 深圳臻迪信息技术有限公司 | Ultrasonic wave transmitting circuit and ultrasonic distance measuring device |
-
2018
- 2018-04-13 CN CN201810342720.4A patent/CN108445495A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010230425A (en) * | 2009-03-26 | 2010-10-14 | Denso Corp | Obstacle detector |
| CN201974526U (en) * | 2011-03-29 | 2011-09-14 | 利尔达科技有限公司 | Transmit-receive integrated ultrasonic ranging module |
| CN102621552A (en) * | 2012-01-13 | 2012-08-01 | 奇瑞汽车股份有限公司 | High-precision ultrasonic range-measuring system |
| CN103645478A (en) * | 2013-12-20 | 2014-03-19 | 奇瑞汽车股份有限公司 | Ultrasonic distance measuring device |
| CN204086534U (en) * | 2014-07-18 | 2015-01-07 | 同致电子科技（厦门）有限公司 | A kind of raising ultrasonic radar detection range circuit |
| CN205643698U (en) * | 2016-01-18 | 2016-10-12 | 黄锦波 | Ultrasonic emission circuit and range unit and car and aircraft and robot |
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