WO2018076586A1

WO2018076586A1 - Method, terminal and system for driving ultrasonic conversion device to play ultrasonic waves

Info

Publication number: WO2018076586A1
Application number: PCT/CN2017/075054
Authority: WO
Inventors: 郑勇; 王忠山
Original assignee: 深圳市沃特沃德股份有限公司
Priority date: 2016-10-29
Filing date: 2017-02-27
Publication date: 2018-05-03
Also published as: CN106508882B; CN106508882A

Abstract

Disclosed are a method, terminal and system for driving an ultrasonic conversion device to play ultrasonic waves. The method comprises: a terminal receiving parameter information set by a user, wherein the parameter information comprises an ultrasonic frequency; calculating an interval duration according to the ultrasonic frequency and the number of pre-stored acoustic simulation values; synthetizing the acoustic simulation values into an ultrasonic drive signal one by one according to the interval duration; and transmitting the ultrasonic drive signal to an ultrasonic conversion device. The method, terminal and system are flexible to use, and are convenient for training various animals with different ultrasonic sensitive frequencies.

Description

Method, terminal and system for driving ultrasonic conversion device to play ultrasonic waves

Technical field

[0001] The present invention relates to the field of driving signal playback technology, and more particularly to a method, terminal and system for driving an ultrasonic converting device to play ultrasonic waves.

Background technique

[0002] Generally, animals are sensitive to ultrasonic waves of a certain frequency. Different types of animals are sensitive to ultrasonic waves at different frequencies. In order to drive or train animals, it is necessary to use an ultrasonic transducer capable of emitting a corresponding ultrasonic frequency according to the type of animal.

[0003] In the prior art, the ultrasonic conversion device generally outputs ultrasonic waves through a hardware oscillating circuit, and the frequency of the output ultrasonic waves is usually a single frequency point or a harmonic-rich square wave similar to PWM (Pulse Width Modulation). The adjustable range is small, the precision is not high, and the frequency of the ultrasonic wave cannot be adjusted. The user needs to use a plurality of ultrasonic conversion devices with different ultrasonic frequencies when driving or training various types of animals, which is high in cost and inconvenient to use.

technical problem

[0004] The present invention provides a method, a terminal, and a system for driving an ultrasonic transducer to play ultrasonic waves, so as to solve the problem that the frequency of the ultrasonic wave outputted by the ultrasonic transducer in the prior art is small, the accuracy is not high, and the accuracy cannot be different. The animal adjustment does not produce technical problems such as different high-precision ultrasonic frequency output.

Problem solution

Technical solution

In order to solve the above technical problem, the present invention adopts a technical solution to provide: a method for driving an ultrasonic conversion device to play ultrasonic waves, which includes:

[0006] The terminal receives parameter information set by the user, and the parameter information includes an ultrasonic frequency;

[0007] calculating an interval length according to the ultrasonic frequency and the number of pre-stored acoustic wave simulation values; [0008] synthesizing the ultrasonic wave drive signals one by one according to the interval length;

[0009] The ultrasonic drive signal is transmitted to the ultrasonic conversion device.

[0010] In some embodiments, the parameter information further includes the number of samples, and the step of calculating the interval length according to the ultrasonic frequency and the number of pre-stored acoustic wave simulation values includes:

[0011] forming a set of samples according to the number of samples, the set of samples is an arithmetic progression, the items in the arithmetic progression are positive integers, and the samples are items in the arithmetic progression;

[0012] calculating an angle corresponding to each point in the set of samples;

[0013] querying a function value corresponding to an angle in a trigonometric function database based on an angle;

[0014] converting the function value to an acoustic wave analog value;

[0015] pre-storing the converted acoustic wave analog value.

[0016] In some embodiments, the step of synthesizing the acoustic wave analog values one by one according to the interval lengths comprises:

[0017] reading the pre-stored acoustic wave analog values one by one according to the interval length;

[0018] registering the read acoustic wave analog values one by one;

[0019] The ultrasonic wave drive signals are synthesized one by one by the stored acoustic wave analog values.

[0020] In some embodiments, the step of transmitting the ultrasonic drive signal to the ultrasonic conversion device comprises:

[0021] the ultrasonic conversion device receives the ultrasonic drive signal transmitted by the terminal;

[0022] amplifying the ultrasonic driving signal;

[0023] emitting ultrasonic waves corresponding to the ultrasonic frequency according to the amplified ultrasonic driving signal.

[0024] In some embodiments, the first item of the arithmetic progression column is 0, the tolerance value of the arithmetic progression column is 1, and the function value is a sine value.

[0025] In order to solve the above technical problem, the present invention adopts another technical solution to: provide a terminal for driving an ultrasonic conversion device to play ultrasonic waves, and includes a processor and a memory, and the processor is configured to execute the following storage in the memory. Program module:

[0026] a setting unit, configured to receive parameter information set by a user, where the parameter information includes an ultrasonic frequency;

[0027] a length calculation unit, configured to calculate an interval length according to the ultrasonic frequency and the number of pre-stored acoustic wave simulation values

[0028] the processing unit synthesizes the ultrasonic wave drive signals one by one according to the interval length; [0029] a transmission unit, configured to transmit the ultrasonic driving signal to the signal output interface.

[0030] In some embodiments, the parameter information further includes the number of samples, and the program module further includes:

[0031] a sample generating unit, configured to form a sample set according to the number of sample points, the sample set is an arithmetic progression, the items in the arithmetic progression are positive integers, and the sample points are items in the arithmetic progression column.

[0032] an angle calculation unit, configured to calculate an angle corresponding to each point in the set of samples;

[0033] a query unit, configured to query a function value corresponding to the angle in the trigonometric function database based on the angle;

[0034] a conversion unit that converts the function value into an acoustic wave analog value;

[0035] The pre-stored unit pre-stores the converted acoustic wave analog value.

[0036] In some embodiments, the processing unit includes:

[0037] a reading unit, configured to read the sound wave analog values in the pre-stored unit one by one according to the interval length;

[0038] a registering unit, configured to register the read acoustic wave simulation values one by one;

[0039] The synthesizing unit is configured to combine the stored acoustic wave analog values into the ultrasonic driving signals one by one.

[0040] In some embodiments, the signal output interface includes: a current input terminal, a ground terminal, a first resistor, a second resistor, a signal access terminal, an AC coupling capacitor, and a signal output terminal, the first resistor and the second resistor The circuit is connected in series between the current input terminal and the ground terminal, and the AC coupling capacitor is connected in parallel between the first resistor and the second resistor, and the ultrasonic driving signal sequentially passes through the signal access terminal, the AC coupling capacitor and the signal output terminal.

[0041] In some embodiments, the first resistor and the second resistor are both 100,000 ohms, and the AC coupling capacitor is 100 nanofarads.

[0042] In some embodiments, the signal output interface is a headphone interface.

[0043] In some embodiments, the terminal is a mobile phone or a tablet.

In order to solve the above technical problem, the present invention adopts another technical solution: a system for driving an ultrasonic conversion device to play ultrasonic waves, comprising an ultrasonic conversion device and the above-mentioned terminal, the ultrasonic conversion device comprising:

[0045] a signal receiving interface, coupled to the signal output interface, for receiving an ultrasonic driving signal;

[0046] an amplifying unit, configured to amplify the ultrasonic driving signal transmitted by the signal receiving interface;

[0047] a playing unit, configured to emit an ultrasonic wave corresponding to the ultrasonic frequency according to the amplified ultrasonic driving signal.

[0048] The playing unit is a piezoelectric ceramic sheet. [0049] In some embodiments, the system for driving an ultrasonic conversion device to play ultrasonic waves further includes a data line, and the signal output interface is coupled to the signal receiving interface by the data line signal.

[0050] In some embodiments, the system further includes a flash for blinking at the ultrasonic frequency according to the ultrasonic drive signal received by the signal receiving interface.

Advantageous effects of the invention

Beneficial effect

[0051] The beneficial effects of the present invention are: different from the prior art, the present invention provides a method, a terminal and a system for driving an ultrasonic conversion device to play ultrasonic waves, in which the terminal receives the ultrasonic frequency set by the user, and Synthesizing the acoustic wave driving signal of the corresponding frequency, thereby driving the ultrasonic converting device to play the ultrasonic wave of the corresponding frequency. The above scheme can drive the ultrasonic converting device to play the ultrasonic wave of different frequencies according to the set ultrasonic frequency difference, and the utility model is flexible, convenient to drive or train various pairs. Ultrasound sensitive animals with different frequencies. Accordingly, the terminal and system for driving the ultrasonic transducer to play ultrasonic waves also have the above effects.

Brief description of the drawing

DRAWINGS

1 is a flow chart of an embodiment of a method for driving an ultrasonic transducer to play ultrasonic waves according to the present invention; [0053] FIG. 2 is a flow chart of another embodiment of a method for driving an ultrasonic transducer to play ultrasonic waves according to the present invention;

3 is a flow chart of another embodiment of a method for driving an ultrasonic transducer to play ultrasonic waves according to the present invention.

3a is a sinusoidal waveform of an acoustic wave drive signal of the method for driving an ultrasonic transducer to play ultrasonic waves according to the present invention.

4 is a flow chart of another embodiment of a method for driving an ultrasonic transducer to play ultrasonic waves according to the present invention.

5 is a schematic diagram of an embodiment of a terminal for driving an ultrasonic transducer to play ultrasonic waves according to the present invention.

[0058] FIG. 5a is a partial structural diagram of an embodiment of a setting unit of the terminal for driving an ultrasonic transducer to play ultrasonic waves in FIG. 5; 6 is a schematic diagram of another embodiment of a terminal for driving an ultrasonic transducer to play ultrasonic waves according to the present invention;

7 is a schematic block diagram of another embodiment of a terminal for driving an ultrasonic transducer to play ultrasonic waves according to the present invention;

8 is a schematic block diagram of another embodiment of a terminal for driving an ultrasonic transducer to play ultrasonic waves according to the present invention;

9 is a schematic block diagram of a system for driving an ultrasonic transducer to play ultrasonic waves according to the present invention.

[0063] The implementation, functional features, and advantages of the present invention will be further described in conjunction with the embodiments.

BEST MODE FOR CARRYING OUT THE INVENTION

The specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are intended to be illustrative of the invention and are not to be construed as limiting.

[0066] The singular forms "a", "an", "the" It will be further understood that the phrase "comprising", used in the <RTI ID=0.0> </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> is intended to mean the presence of the features, integers, steps, operations, components and/or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, components, components, and/or their groups. It will be understood that when we refer to an element being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element, or an intermediate element can be present. Further, "connected" or "coupled" as used herein may include either a wireless connection or a wireless coupling.

[0067] Those skilled in the art will appreciate that all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the invention belongs, unless otherwise defined. It should also be understood that terms such as those defined in a general dictionary should be understood to have meaning consistent with the meaning in the context of the prior art, and will not be idealized or excessive unless specifically defined as here. The formal meaning is explained. Please refer to FIG. 1. FIG. 1 is a flow chart of an embodiment of a method for driving an ultrasonic transducer to play ultrasonic waves according to the present invention. The method for driving an ultrasonic transducer to play ultrasonic waves according to the embodiment includes the following steps:

[0069] S10: The terminal receives parameter information set by the user, where the parameter information includes an ultrasonic frequency;

[0070] Specifically, the terminal may be a mobile phone or a tablet computer, and the terminal has an APP, and the APP has an interface with parameter settings, and the user may set the ultrasonic frequency sensitive to the animal according to the type of the animal.

[0071] S20: calculating an interval length according to the ultrasonic frequency and the number of pre-stored acoustic wave simulation values;

[0072] Specifically, a certain number of acoustic wave simulation values are prestored in the terminal. When the ultrasonic frequency is known, the interval length t can be calculated by the formula t=10 V (nxf), where n represents the acoustic wave analog value. The number of f, the ultrasonic frequency, the unit of t is nanoseconds, and the unit of f is kilohertz.

[0073] S30: synthesizing the acoustic wave driving signals by synthesizing the acoustic wave simulation values one by one according to the interval length;

[0074] Specifically, when it is required to start the ultrasonic conversion device to play the ultrasonic wave, the terminal will synthesize the sound wave driving signal one by one according to the interval length of the pre-stored sound wave analog value.

[0075] S40: transmitting an ultrasonic driving signal to the ultrasonic converting device.

Specifically, after the terminal is electrically connected to the ultrasonic converting device, the terminal transmits the ultrasonic driving signal to the ultrasonic converting device, thereby realizing that the ultrasonic converting device drives the ultrasonic wave to be played at the ultrasonic frequency set by the user.

[0077] In the method for driving the ultrasonic conversion device to play the ultrasonic wave, the terminal receives the ultrasonic frequency set by the user, and synthesizes the acoustic wave driving signal of the corresponding frequency, thereby driving the ultrasonic converting device to play the ultrasonic wave of the corresponding frequency, The solution can drive the ultrasonic conversion device to play ultrasonic waves of different frequencies according to the set ultrasonic frequency, and the utility model is flexible and convenient to drive or train various animals with different ultrasonic sensitive frequencies.

[0078]

Referring to FIG. 2, FIG. 2 is a flow chart showing another embodiment of a method for driving an ultrasonic transducer to play ultrasonic waves according to the present invention. This embodiment is substantially the same as the previous embodiment, except that the parameter information of the embodiment further includes the number of samples, and the number of the samples is a positive integer. Preferably, the number of the samples is greater than 2.

[0080] Further, before step S20 of this embodiment, the following steps are included:

[0081] S21: generating a sample set according to the number of sample points; Specifically, the terminal generates a sample set according to the number of samples set by the user, the sample set is an arithmetic progression, the items in the arithmetic progression column are positive integers, and the sample points are items in the arithmetic progression column. Preferably, the number of samples ranges from 100 to 500, the first item of the arithmetic progression is 0, and the tolerance value is 1. For example, the number of sample points set by the user is 100吋, and the sample set is: 0, 1. 2, 3, ... 99. Of course, the first term and the tolerance value of the difference series may also be other values, which are not limited herein.

[0083] S22: calculating an angle corresponding to each point in the set of sample points;

[0084] Specifically, in the case where the value of each point is known, the angle θ corresponding to each point can be calculated by the formula θ=360°χΜ/η, where η is the number of samples, Μ Point, that is, the item in the arithmetic progression column.

[0085] S23: a function value corresponding to the query angle in the trigonometric function database based on the angle;

[0086] Specifically, the trigonometric function database of the terminal stores function values corresponding to sine, cosine, tangent, and cotangent of each angle from 0° to 360°, and the terminal can query corresponding to the corresponding angle of the sample point. Function value. Preferably, the function of the invention has a sine value.

[0087] S24: converting the function value into a sound wave analog value;

[0088] Specifically, the terminal converts the function value into a sound wave analog value corresponding to the number of register bits according to the number of bits of the register used to output the function value, for example, when the terminal outputs the function value, the register used is 16 bits, In the case where the function value is known, the acoustic analog value X corresponding to each function value a can be calculated by the formula X=32768 + 32768a. Preferably, a = sine, from which it can be calculated that when Θ is 0°吋, the converted acoustic wave is 32768; when Θ is 90°吋, the converted acoustic wave is 65536; when Θ is 180°吋The converted acoustic wave simulation value is 32768; when Θ is 270°吋, the converted acoustic wave simulation value is 0; when Θ is 360° 吋, the converted acoustic wave simulation value is 32768.

[0089] S25: pre-storing the converted acoustic wave simulation value.

[0090] Specifically, each of the above acoustic wave analog values is pre-stored for subsequent output.

[0091] It can be seen from the above that the sample point of the embodiment corresponds to the acoustic wave module value. Preferably, the number of acoustic wave simulation values is the same as the number of sample points, that is, the number of sound wave simulation values can be set by the user-set sample. Obtained by quantity.

[0092] In the method for driving the ultrasonic converting device to play the ultrasonic wave in the embodiment, the terminal generates a plurality of sample points by the number of samples set by the user to synthesize a high-precision sound wave driving signal output, and the solution may be set according to The number of samples is different, which in turn can drive the ultrasonic conversion device to play ultrasonic waves of different precisions. , flexible and convenient to use.

[0093]

Referring to FIG. 3, FIG. 3 is a flow chart showing another embodiment of a method for driving an ultrasonic transducer to play ultrasonic waves according to the present invention. This embodiment is substantially the same as the previous embodiment, except that step S30 of the embodiment includes the following steps:

[0095] S31: reading the pre-stored acoustic wave analog values one by one according to the interval length;

[0096] Specifically, after the terminal finishes reading one acoustic wave simulation value in the pre-stored unit, the interrupt reading unit reads the acoustic wave analog value in the pre-stored unit, and starts counting After the inter-arrival interval is long, the terminal starts to read the next acoustic analog value in the pre-stored unit, and after the terminal finishes reading the next acoustic analog value in the pre-stored unit, interrupts the acoustic analog value of the read unit to the pre-stored unit again. Read it, and start counting again, repeating this way until all the acoustic analog values have been read.

[0097] S32: registering the read acoustic wave simulation values one by one;

[0098] Specifically, the register of the terminal temporarily registers the acoustic analog value after the reading.

[0099] S33: synthesizing the acoustic wave driving signals by synthesizing the acoustic wave analog values one by one.

[0100] Specifically, the digital signal of the acoustic wave analog value forms an analog signal that the interface can recognize, that is, the acoustic wave drive signal. According to the Shannon sampling theorem, the terminal of the present embodiment combines all the acoustic wave simulation values into a trigonometric waveform at intervals. For example, as shown in Fig. 3a, when the function value is a sine value 吋, according to Shannon sampling, all the acoustic wave analog values can be synthesized into a sinusoidal waveform at intervals.

[0101]

Referring to FIG. 4, FIG. 4 is a flow chart showing another embodiment of a method for driving an ultrasonic transducer to play ultrasonic waves according to the present invention. This embodiment is substantially the same as the previous embodiment, except that step S40 of the embodiment includes the following steps:

[0103] S50: the ultrasonic conversion device receives the ultrasonic driving signal transmitted by the terminal;

[0104] S60: the ultrasonic conversion device amplifies the ultrasonic driving signal;

[0105] Specifically, the ultrasonic driving signal transmitted through the wireless or the interface is a weak signal, and the amplitude of the ultrasonic driving signal is reduced by the amplification of the signal.

[0106] S70: The ultrasonic wave corresponding to the ultrasonic frequency is emitted according to the amplified ultrasonic driving signal. [0107] Specifically, the ultrasonic conversion device causes the piezoelectric ceramic piece to emit ultrasonic waves having a corresponding frequency and accuracy based on the amplified ultrasonic drive signal.

[0108]

[0109] Please refer to FIG. 5. FIG. 5 is a schematic diagram of an embodiment of a terminal for driving an ultrasonic transducer to play ultrasonic waves according to the present invention. Fig. 5a is a partial structural view showing an embodiment of a setting unit of the terminal for driving the ultrasonic transducer to play ultrasonic waves in Fig. 5. The terminal for driving the ultrasonic conversion device to play the ultrasonic wave includes the processor 100, the memory 200, and the signal output interface 50. The processor 100 is configured to execute the program module stored in the memory 200, and the program module includes the setting unit 10, The long calculation unit 20, the processing unit 30, and the transmission unit 40.

[0110] The setting unit 10 is configured to receive parameter information set by a user, and the parameter information includes an ultrasonic frequency. The setting unit 10 is an interface for setting parameter information in the APP, and the user can set the ultrasonic frequency sensitive to the type of the animal in the interface according to the type of the animal. The interface for setting the parameter information may be an interface for the user to input a specific value, or an interface for the user to select a specific value. For example, as shown in FIG. 5a, the interface for setting the parameter information is a ruler interface, and the ruler has 0. The ultrasonic band of ~100k z, each scale is lk z, the triangle on the ruler interface is the control 11, and the position of the control 11 is clicked or dragged to realize the setting of the ultrasonic frequency.

[0111] The length calculation unit 20 is configured to calculate the interval length based on the ultrasonic frequency and the number of pre-stored acoustic wave simulation values. In the terminal of the embodiment, a certain number of acoustic wave simulation values are prestored. In the case where the ultrasonic frequency is known, the length calculation unit 20 calculates the interval length t by the formula t=10 9 / (nxf), where n represents The number of acoustic wave simulation values, f represents the ultrasonic frequency, the unit of t is nanoseconds, and the unit of f is kilohertz.

[0112] The processing unit 30 synthesizes the acoustic wave simulation signals one by one according to the interval length.

[0113] The transmission unit 40 is configured to transmit the ultrasonic driving signal to the signal output interface 50 for transmission to the ultrasonic converting device electrically connected to the signal output interface 50, thereby implementing the driving ultrasonic converting device to play the ultrasonic wave according to the ultrasonic frequency set by the user. . Preferably, the signal output interface 50 is a headphone jack.

[0114] The terminal for driving the ultrasonic converting device to play the ultrasonic wave of the embodiment receives the ultrasonic frequency set by the user through the setting unit 10, and the processing unit 30 synthesizes the acoustic wave driving signal of the corresponding frequency, thereby driving the ultrasonic converting device to play the ultrasonic wave of the corresponding frequency. So that the terminal can drive the ultrasonic conversion device to play ultrasonic waves of different frequencies according to the set ultrasonic frequency, which is flexible and convenient to drive or Train a variety of animals with different frequencies sensitive to ultrasound.

[0115]

Please refer to FIG. 6. FIG. 6 is a schematic diagram of another embodiment of a terminal for driving an ultrasonic transducer to play ultrasonic waves according to the present invention. This embodiment is substantially the same as the previous embodiment, except that the parameter information of the embodiment further includes the number of samples, and the number of the samples is a positive integer. Preferably, the number of the samples is greater than 2.

[0117] Further, the program module of this embodiment further includes a sample generating unit 60, an angle calculating unit 61, a query unit 62, a converting unit 63, and a pre-storing unit 64.

[0118] The sample generating unit 60 is configured to generate a sample set according to the number of samples set by the user. Specifically, the sample generating unit 60 generates a sample set according to the number set by the user, the sample set is an arithmetic progression, the items in the arithmetic progression are positive integers, and the sample points are items in the arithmetic progression column. Preferably, the number of samples ranges from 100 to 50, the first item of the arithmetic progression is 0, and the tolerance value is 1. For example, the number of sample points set by the user is 100吋, and the sample set is: 0, 1 , 2, 3, ... 99. Of course, the first term and the tolerance value of the difference series may also be other values, which are not limited herein.

[0119] The angle calculation unit 61 is for calculating an angle corresponding to each point in the set of samples. Specifically, in the case where the value of each point is known, the angle calculation unit 61 calculates the angle θ corresponding to each point by the formula 6=360°×M/n, where η is the number of samples, and Μ is the sample point. , that is, the item in the arithmetic progression column.

[0120] The query unit 62 is configured to query the function value corresponding to the angle in the trigonometric function database based on the angle. Specifically, a function value corresponding to each of sine, cosine, tangent, and cotangent of each angle from 0° to 360° is formed in the trigonometric function database of the terminal, and the query unit 62 queries the corresponding function according to the angle corresponding to the sample point. value. Preferably, the function of the invention has a sine value.

[0121] The conversion unit 63 converts the function value into a sound wave analog value. Specifically, the conversion unit 63 converts the function value into a sound wave analog value corresponding to the number of register bits according to the number of bits of the register used to output the function value, for example, when the terminal outputs the function value, the register used is 16 bits, In the case where the function value is known, the conversion unit 63 calculates the acoustic wave simulation value X corresponding to each function value a by the formula X=32768 + 32768a. Preferably, a=

Sine, from which it can be calculated that when Θ is 0°吋, the converted sound wave is 32768; when Θ is 63°吋, the converted sound wave is 65536; when Θ is 162°吋, the converted sound wave The analog value is 32768; when Θ is 261°吋, the converted sound wave is 0; when Θ is 360°吋, the converted sound wave is 3276. 8.

[0122] The pre-stored unit 64 is configured to pre-store the converted acoustic wave analog value. Pre-stored unit 64 can be RAM (Ramdom

Access Memory, Volatile Random Access Memory).

[0123] It can be seen from the above that the sample point of this embodiment corresponds to the acoustic wave module value. Preferably, the number of acoustic wave simulation values is the same as the number of sample points, that is, the number of acoustic wave simulation values can be set by the user-set sample. Obtained by quantity.

[0124] The terminal for driving the ultrasonic converting device to play the ultrasonic wave of the present embodiment generates a plurality of sample points by the number of samples set by the user in the setting unit 10 to synthesize a high-precision sound wave driving signal output. The solution can drive the ultrasonic conversion device to play different precision ultrasonic waves according to the number of set samples, which is flexible and convenient to use.

[0125]

Referring to FIG. 7, FIG. 7 is a block diagram showing another embodiment of a terminal for driving an ultrasonic transducer to play ultrasonic waves according to the present invention. This embodiment is substantially the same as the previous embodiment, except that the processing unit 30 of the present embodiment includes a reading unit 31, a clock unit 32, an interrupt unit 33, a register unit 34, and a synthesizing unit 35.

[0127] The reading unit 31 is configured to read the acoustic wave simulation values in the pre-stored unit 64 one by one in intervals. The cuckoo clock unit 32 is used to count the interval length, and the interrupt unit 33 is used to read the acoustic wave analog value in the pre-stored unit 64 when the cuckoo clock unit 32 reaches the interval length. Specifically, after the reading unit 31 finishes reading one of the acoustic wave simulation values in the pre-stored unit 64, the interrupting unit 33 interrupts the reading of the acoustic wave analog value in the pre-stored unit 64 by the reading unit 31, and the same, the same time The unit 32 starts counting, and after the time interval between the turns, the reading unit 31 reads the next sound wave analog value in the pre-stored unit, and the reading unit 31 completes the reading of the next sound wave analog value in the pre-stored unit 64. Thereafter, the interrupting unit 33 interrupts the reading of the acoustic analog values in the pre-stored unit 64 by the reading unit 31 again, and the same, the cuckoo clock unit 32 counts again, and repeats until all the pre-stored units 64 are in the pre-stored unit 64. The acoustic wave analog value is read.

[0128] The register unit 34 is used to read the acoustic wave analog values one by one. Preferably, the registration unit 34 is a register.

[0129] The synthesizing unit 35 is configured to synthesize the acoustic wave simulation signals of the registration unit 34 into the acoustic wave drive signals one by one. Specifically, the synthesizing unit 35 synthesizes the digital signal of the acoustic wave analog value into an analog signal that the interface can recognize, that is, the acoustic wave drive signal. The synthesizing unit 35 synthesizes all the acoustic wave simulation values into trigonometric waveforms according to the Shannon sampling theorem. For example, as shown in Figure 3a, when the function value is a sine value, the composite form Based on the Shannon sampling theorem, element 35 combines all acoustic analog values into a sinusoidal waveform at intervals.

[0130]

Referring to FIG. 8, FIG. 8 is a block diagram showing another embodiment of a terminal for driving an ultrasonic transducer to play ultrasonic waves according to the present invention. The embodiment is substantially the same as the previous embodiment, except that the circuit of the signal output interface 50 of the embodiment includes: a current input terminal Vcc, a ground terminal Gnd, a first resistor R1, a second resistor R2, and a signal access terminal Input. AC coupling capacitor C1 and signal output terminal Ouput.

[0132] The first resistor R1 and the second resistor R2 are sequentially connected in series between the current input terminal Vcc and the ground terminal Gnd to offset the input voltage by 1/2, so that the ultrasonic driving signal received by the ultrasonic conversion device is a positive signal. The AC coupling capacitor C1 is connected in parallel between the first resistor R1 and the second resistor R2. The AC coupling capacitor C1 is used for the DC signal to pass the AC signal, and the ultrasonic driving signal as the AC signal sequentially passes through the signal input terminal Input and AC coupling. Capacitor C1 and signal output Ouput.

[0133] Preferably, the first resistor R1 and the second resistor R2 are both 100,000 ohms, and the AC coupling capacitor C1 is 100 nanofarads.

[0134]

Referring to FIG. 9, FIG. 9 is a block diagram showing a system for driving an ultrasonic transducer to play ultrasonic waves. The system for driving an ultrasonic transducer to play ultrasonic waves of the present invention includes an ultrasonic transducer and a terminal, and the ultrasonic transducer includes a signal receiving interface 201, an amplifying unit 202, and a playing unit 203.

[0136] The signal receiving interface 201 is interposed with the signal output interface 50 for receiving an ultrasonic driving signal.

[0137] The amplifying unit 202 is configured to amplify the ultrasonic driving signal transmitted by the signal receiving interface 201. Since the ultrasonic driving signal transmitted through the wireless or the interface is a weak signal, the amplification of the signal by the amplifying unit 202 reduces the distortion of the ultrasonic driving signal. Preferably, the amplifying unit 202 is a signal amplifying circuit.

[0138] The playing unit 203 is configured to send an ultrasonic wave corresponding to the ultrasonic frequency according to the amplified ultrasonic driving signal

. The playback unit 203 is preferably a piezoelectric ceramic sheet which ensures that the frequency of the output ultrasonic waves is the same as the ultrasonic wave frequency input by the user.

Further, the ultrasonic converting device further includes a flasher for blinking at an ultrasonic frequency according to the ultrasonic driving signal received by the signal receiving interface.

[0140] Further, the system for driving the ultrasonic conversion device to play the ultrasonic wave further includes a data line, and the signal is transmitted. The outgoing interface 50 and the signal receiving interface 201 are connected by a data line signal.

It will be understood by those skilled in the art that the terminal according to the present invention includes both a wireless signal receiver device, a device having only a wireless signal receiver without a transmitting capability, and a device for receiving and transmitting hardware, or It has a device capable of performing two-way communication receiving and transmitting hardware on a two-way communication link. Such devices may include: cellular or other communication devices having single line displays or multi-line displays or cellular or other communication devices without multi-line displays; PCS (Personal)

Communications Service, a personal communication system that can combine voice, data processing, fax and/or data communication capabilities; PDA (Personal Digital Assistant), which can include radio frequency receivers, pagers, Internet/Intranet access, Web browser, notepad, calendar and/or GPS (Global Positioning System) receiver; conventional laptop and/or palmtop computer or other device with and/or conventional knee including radio frequency receiver Up and/or palmtop or other device. The "terminal" used herein may also be a communication terminal, an internet terminal, a music/video playing terminal, such as a tablet, a MID (Mobile Internet Device), and/or a mobile phone having a music/video playing function. It can also be a smart watch or a smart bracelet.

The ultrasonic conversion device of the present invention may be a pet smart wear device having an ultrasonic transducer, a positioning function, a wireless transceiving function, an LED lamp, and the like. Among them, the LED lamp can control the frequency of its flashing through the above terminal to achieve the purpose of driving the animal.

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and the equivalent structure or equivalent process transformations made by the description of the present invention and the contents of the drawings may be directly or indirectly applied to other related The technical field is equally included in the scope of patent protection of the present invention.

Claims

Claim

A method for driving an ultrasonic transducer to play ultrasonic waves, characterized in that

The terminal receives parameter information set by the user, the parameter information includes an ultrasonic frequency; calculating an interval length according to the ultrasonic frequency and the number of pre-stored acoustic wave simulation values; synthesizing the acoustic wave simulation values one by one according to the interval length a signal; transmitting the ultrasonic drive signal to an ultrasonic conversion device.

The method for driving an ultrasonic transducer to play an ultrasonic wave according to claim 1, wherein the parameter information further includes a number of samples, and the interval is calculated according to the ultrasonic frequency and the number of pre-stored acoustic wave simulation values. The step of lengthening comprises: generating a set of samples according to the number of the sample points, the set of sample points is an arithmetic progression column, the items in the arithmetic progression series are positive integers, and the sample points are the equal difference An item in the sequence; calculating an angle corresponding to each of the samples in the set of samples;

Querying, according to the angle, a function value corresponding to the angle in the trigonometric function database; converting the function value into the acoustic wave simulation value;

The converted acoustic wave simulation value is pre-stored.

The method for driving an ultrasonic transducer to play ultrasonic waves according to claim 2, wherein the step of synthesizing the acoustic wave simulation values one by one according to the interval length comprises:

Reading the pre-stored acoustic wave analog values one by one according to the interval length;

Registering the acoustic wave analog values after reading one by one;

The stored acoustic wave analog values are synthesized one by one at intervals of the ultrasonic wave drive signals. The method for driving an ultrasonic transducer to play an ultrasonic wave according to claim 1, wherein the step of transmitting the ultrasonic drive signal to the ultrasonic transducer comprises:

The ultrasonic conversion device receives the ultrasonic driving signal transmitted by the terminal; and amplifies the received ultrasonic driving signal;

Transmitting an ultrasonic wave corresponding to the ultrasonic frequency according to the amplified ultrasonic driving signal [Claim 5] The method for driving an ultrasonic transducer to play ultrasonic waves according to claim 2, wherein a first term of the arithmetic progression is 0, and a tolerance value of the differential sequence is 1. The function value is a sine value.

[Claim 6] A terminal for driving an ultrasonic transducer to play ultrasonic waves, comprising: a processor and a memory, wherein the processor is configured to execute the following program modules stored in the memory:

a setting unit, configured to receive parameter information set by a user, where the parameter information includes an ultrasonic frequency; a length calculating unit, configured to calculate an interval length according to the ultrasonic frequency and the number of pre-stored acoustic wave simulation values;

Processing unit, synthesizing the acoustic wave simulation values one by one according to the interval length;

And a transmission unit, configured to transmit the ultrasonic driving signal to the signal output interface.

[Claim 7] The terminal for driving an ultrasonic conversion device to play ultrasonic waves according to claim 6, wherein the parameter information further includes a number of samples, and the program module further includes

a sample generating unit, configured to generate a sample set according to the number of the sample points, wherein the sample set is an arithmetic progression, the items in the arithmetic progression column are positive integers, and the sample points are the equal difference The items in the series.

An angle calculation unit, configured to calculate an angle corresponding to each point in the set of samples; a query unit, configured to query, in the trigonometric function database, a function value corresponding to the angle based on the angle;

a conversion unit, converting the function value into the sound wave simulation value; and pre-storing the unit, pre-storing the sound wave analog value.

[Claim 8] The terminal for driving the ultrasonic transducer to play the ultrasonic wave according to claim 7, wherein the processing unit comprises:

a reading unit, configured to read the sound waves in the pre-stored unit one by one according to the interval length Analog value

a registering unit, configured to register the read acoustic wave simulation values one by one;

And a synthesizing unit, configured to superimpose the registered acoustic wave simulation values into the acoustic wave driving signals one by one according to the interval.

The terminal for driving an ultrasonic transducer to play ultrasonic waves according to claim 6, wherein the signal output interface comprises: a current input terminal, a ground terminal, a first resistor, a second resistor, a signal access terminal, and an alternating current a coupling capacitor and a signal output end, the first resistor and the second resistor are sequentially connected in series between the current input end and the ground end, and the AC coupling capacitor is connected in parallel to the first resistor, the first Between the two resistors, the ultrasonic driving signal sequentially passes through the signal access terminal, the AC coupling capacitor, and the signal output terminal.

The terminal for driving an ultrasonic transducer to play ultrasonic waves according to claim 9, wherein the first resistor and the second resistor are both 100,000 ohms, and the AC coupling capacitor is 100 nanofarads.

The terminal for driving an ultrasonic transducer to play ultrasonic waves according to claim 6, wherein the signal output interface is a headphone jack.

The terminal for driving an ultrasonic transducer to play ultrasonic waves according to claim 6, wherein the terminal is a mobile phone or a tablet computer.

A system for driving an ultrasonic transducer to play an ultrasonic wave, comprising: an ultrasonic transducer; and the terminal for driving the ultrasonic transducer to play an ultrasonic wave according to claim 6, wherein the ultrasonic transducer comprises:

a signal receiving interface, coupled to the signal output interface, for receiving the ultrasonic driving signal;

An amplifying unit, configured to amplify the ultrasonic driving signal transmitted by the signal receiving interface;

And a playing unit, configured to emit an ultrasonic wave corresponding to the ultrasonic frequency according to the amplified ultrasonic driving signal.

A system for driving an ultrasonic transducer to play ultrasonic waves according to claim 13, The playing unit is a piezoelectric ceramic sheet.

[Claim 15] The system for driving an ultrasonic transducer to play ultrasonic waves according to claim 13, wherein the system for driving the ultrasonic transducer to play ultrasonic waves further includes a data line, the signal output interface and The signal receiving interface passes the data line signal

[Claim 16] The system for driving an ultrasonic transducer to play an ultrasonic wave according to claim 13, wherein the ultrasonic transducer further includes a flash, and the flash is used to receive according to the signal receiving interface The ultrasonic drive signal is flashed at the ultrasonic frequency.