End side device circuit and intelligent voice end side device

Abstract

The utility model discloses an end side device circuit and an intelligent voice end side device. The end side device circuit comprises a main control unit, a voice input unit, a key matrix unit, a mode selection unit and a power supply unit. The voice input unit, the key matrix unit and the mode selection unit are electrically connected with the main control unit respectively; the voice input unit comprises a pre-amplification unit and a pickup unit, the pickup unit is electrically connected with the main control unit, and the pre-amplification unit is electrically connected with the pickup unit. According to the end-side equipment circuit provided by the embodiment of the utility model, voice signals can be stably acquired through the voice input unit, the stability of voice acquisition is greatly improved by connecting the pickup unit with the pre-amplification unit, a multi-mode switching function is realized through the mode selection unit, and the use experience of a user is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to intelligent device technical field especially, and it is a kind of end side device circuit and intelligent voice end side device. BACKGROUND

[0002] End side intelligence is the AI application of large model technology on terminal equipment, so end side intelligence is the current research emphasis.

[0003] Some end side devices only focus on original function, for example, mouse on market only focuses on mouse itself in function implementation, such as click, adjusts mouse sensitivity, scrolling function, how to realize voice recognition collection, mode switching or intelligent AI function on mouse, it is the technical problem to be solved urgently at present. INVENTION CONTENT

[0004] In view of above problem, the utility model is provided to provide an end side device circuit and intelligent voice end side device to overcome above problem or at least partially solve above problem.

[0005] Firstly, the utility model provides an end side device circuit, and the end side device circuit includes: main control unit, voice input unit, key matrix unit, mode selection unit and power unit;The power unit is electrically connected with the main control unit, voice input unit and mode selection unit respectively;

[0006] The voice input unit, key matrix unit and mode selection unit are electrically connected with the main control unit respectively;

[0007] The voice input unit includes preamplifier unit and pickup unit, wherein the pickup unit is electrically connected with the main control unit, and the preamplifier unit is electrically connected with the pickup unit

[0008] Secondly, the utility model provides an intelligent voice end side device, including shell and the end side device circuit;The end side device circuit is arranged in the shell.

[0009] The technical scheme provided in the utility model embodiment has at least the following technical effects or advantages:

[0010] The end side device circuit in the utility model embodiment can stably collect voice signal through voice input unit, and preamplifier unit is connected to pickup unit, which greatly improves the stability of voice collection, and realizes the switching function of multiple modes through mode selection unit, improves the use experience of user.

[0011] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, the content of the specification can be implemented, and in order to make the above and other purposes, characteristics and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described below. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0013] Figure 1 The principle structure diagram of the end-side device circuit is shown in the present application.

[0014] Figure 2 The reference circuit diagram of the main control unit is shown.

[0015] Figure 3 The reference circuit diagram of the pre-amplification unit is shown.

[0016] Figure 4 The reference circuit diagram of the key matrix unit is shown.

[0017] Figure 5 The reference circuit diagram of the first mode switching sub-unit and the third mode switching sub-unit is shown.

[0018] Figure 6 The reference circuit diagram of the second mode switching sub-unit is shown.

[0019] BRIEF DESCRIPTION OF DRAWINGS

[0020] 1, voice input unit; 2, key matrix unit; 3, mode selection unit; 4, power supply unit; 5, debugging / download unit; 11, pre-amplification unit; 12, sound pickup unit; 111, first low dropout linear regulator module; 112, second low dropout linear regulator module; 113, voltage amplification unit; U2, main control unit. DETAILED DESCRIPTION

[0021] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings.

[0022] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. The preferred embodiments of the present application are given in the drawings. The present application can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0023] Unless otherwise specified, the various raw materials, instruments and equipment used in the present application can be purchased from the market or prepared by existing methods.

[0024] Figure 1 is a schematic diagram of the principle structure of an end-side device circuit provided by the embodiments of the present application, referring to Figure 1 The end-side device circuit and the intelligent voice end-side device include a main control unit U2, a voice input unit 1, a key matrix unit 2, and a mode selection unit 3. The voice input unit 1, the key matrix unit 2, and the mode selection unit 3 are electrically connected to the main control unit U2. The voice input unit 1 includes a preamplifier unit 11 and a pickup unit 12. The pickup unit 12 is electrically connected to the main control unit U2, and the preamplifier unit 11 is electrically connected to the pickup unit 12. The voice input unit 1 is used to collect voice signals. The key matrix unit 2 is used to realize the key selection function. The mode selection unit 3 is used to realize the mode switching. The main control unit U2 is used to control the functions of the modules connected thereto.

[0025] The end-side device circuit further includes a power supply unit 4, which is electrically connected to the main control unit U2, the voice input unit 1, and the mode selection unit 3. The power supply unit 4 is used for power supply.

[0026] In the embodiments of the present application, the main control unit U2 uses a chip with a product model of FR8016HA. The main control unit U2 includes 33 groups of pins. In combination with Figure 2As shown, the reference circuit schematic diagram of the main control unit U2, wherein the pin 9 and the pin 10 of the main control unit U2 are connected with the pickup unit 12; the pin 11 of the main control unit U2 is connected with one end of the first capacitor C14; the pin 14 of the main control unit U2 is connected with one end of the first resistor R4; the pin 16 of the main control unit U2 is connected with the VIN connecting end of the power supply unit 4 and one end of the second capacitor C12 respectively; the other end of the first capacitor C14 and one end of the second resistor R6 are connected in common and grounded; the other end of the first resistor R4, the other end of the second resistor R6 and the other end of the second capacitor C12 are connected in common and grounded; the pin 17 of the main control unit U2 is connected with one end of the first inductor L3, the pin 18 of the main control unit U2 and the other end of the first inductor L3 are connected with one end of the third capacitor C6 respectively, and the other end of the third capacitor C6 is grounded; the pin 19 of the main control unit U2 is connected with one end of the fourth capacitor C7, and the other end of the fourth capacitor C7 is grounded.

[0027] The pickup unit 12 comprises a third resistor R3, a fifth capacitor C10, a sixth capacitor C11, a seventh capacitor C13 and a microphone array MIC1; one end of the fifth capacitor C10 is connected with the pin 9 of the main control unit U2, and the other end of the fifth capacitor C10 is grounded; one end of the third resistor R3 is connected with the pin 9 of the main control unit U2, and the other end of the third resistor R3 is connected with the positive electrode of the microphone array MIC1 and the preamplification unit 11 respectively; one end of the sixth capacitor C11 is connected with the pin 10 of the main control unit U2, and the other end of the sixth capacitor C11 is connected with the positive electrode of the microphone array MIC1 and one end of the seventh capacitor C13; the other end of the seventh capacitor C13 and the negative electrode of the microphone array MIC1 are grounded.

[0028] In the embodiment of the utility model, the microphone array MIC1 can be an array structure composed of multiple microphones of the same specification, so as to improve the pickup effect, and the setting data of the microphone in the array structure can be selected according to actual application requirements, and the embodiment of the utility model has no limitation on this.

[0029] In the embodiment of the utility model, the preamplification unit 11 comprises a first low dropout linear voltage regulator module 111, a second low dropout linear voltage regulator module 112 and a voltage amplification unit 113, the second low dropout linear voltage regulator module 112 is electrically connected with the first low dropout linear voltage regulator module 111 and the voltage amplification unit 113 respectively, and the voltage amplification unit 113 is electrically connected with the pickup unit 12; the first low dropout linear voltage regulator module 111 and the second low dropout linear voltage regulator module 112 are of the same structure and are all LDO modules, so as to convert the input voltage into a more stable low voltage; combined with Figure 3As shown, it is a reference circuit schematic diagram of the pre-amplification unit 11, wherein the IN input connection end of the first low-dropout linear voltage stabilizer module 111 is connected with the IN input connection end of the second low-dropout linear voltage stabilizer module 112 and the VCCIN connection end of the power supply unit 4 respectively, and the OUT output connection end of the first low-dropout linear voltage stabilizer module 111 is connected with the VDD connection end of the power supply unit 4; the OUT output connection end of the second low-dropout linear voltage stabilizer module 112 is connected with the VCCIO connection end of the power supply unit 4, the VCC connection end of the power supply unit 4 and one end of the voltage amplification unit 113 respectively; one end of the voltage amplification unit 113 is connected with the VCC connection end of the power supply unit 4, and the other end MIC of the voltage amplification unit 113 is connected with the microphone array MIC1 of the pickup unit 12; the first low-dropout linear voltage stabilizer module 111 and the second low-dropout linear voltage stabilizer module 112 convert the voltage input by the power supply unit 4 into stable low voltage, and then amplify the voltage through the voltage amplification unit 113 and output to the microphone array MIC1 of the pickup unit 12, thereby effectively improving the voltage stability and the pickup effect of the microphone array MIC1.

[0030] In the embodiment of the utility model, the key matrix unit 2 includes matrix circuit which x row line ROWx and y column line COLx constitute and n key K1 ~ Kn, one end of each key is connected with one of x row line ROWx, the other end of each key is connected with one of y column line COLx, namely each key is located on the intersection of row line (ROWx) and column line (COLx), and when each key triggers key response, the row line and column line connected by the key are turned on, namely when a key is pressed to trigger key response, the row line and column line connected by the key are turned on, thereby forming a closed loop, realizing corresponding key trigger function, n, x and y are all positive integers, and n<=x*y, the setting number of n, x and y can be selected according to actual application demand, and the embodiment of the utility model has no limitation to this.

[0031] In combination with Figure 4As shown, it is a reference schematic circuit diagram of the key matrix unit 2, which includes a matrix circuit composed of 3 row lines and 3 column lines and 7 keys, wherein the 3 row lines are ROW4, ROW5, ROW6 respectively, the 3 column lines are COL0, COL1, COL2 respectively, and the 7 keys are K1, K2, K3, K4, K5, K7, K8 respectively. Specifically, the row line ROW4 of the key matrix unit 2 is connected with the pin 23 of the main control unit U2, the row line ROW5 of the key matrix unit 2 is connected with the pin 22 of the main control unit U2, and the row line ROW6 of the key matrix unit 2 is connected with the pin 20 of the main control unit U2; the column line COL0 of the key matrix unit 2 is connected with the pin 29 of the main control unit U2, the column line COL1 of the key matrix unit 2 is connected with the pin 28 of the main control unit U2, and the column line COL2 of the key matrix unit 2 is connected with the pin 27 of the main control unit U2; the key K1 of the key matrix unit 2 is connected with the row line ROW4 and the column line COL0 respectively, and when the key K1 triggers a key response, the row line ROW4 and the column line COL0 are turned on; the key K2 of the key matrix unit 2 is connected with the row line ROW4 and the column line COL1 respectively, and when the key K2 triggers a key response, the row line ROW4 and the column line COL1 are turned on; the key K3 of the key matrix unit 2 is connected with the row line ROW4 and the column line COL2 respectively, and when the key K3 triggers a key response, the row line ROW4 and the column line COL2 are turned on; the key K4 of the key matrix unit 2 is connected with the row line ROW5 and the column line COL0 respectively, and when the key K4 triggers a key response, the row line ROW5 and the column line COL0 are turned on; the key K5 of the key matrix unit 2 is connected with the row line ROW5 and the column line COL1 respectively, and when the key K5 triggers a key response, the row line ROW5 and the column line COL1 are turned on; the key K7 of the key matrix unit 2 is connected with the row line ROW6 and the column line COL0 respectively, and when the key K7 triggers a key response, the row line ROW6 and the column line COL0 are turned on; the key K8 of the key matrix unit 2 is connected with the row line ROW6 and the column line COL1 respectively, and when the key K8 triggers a key response, the row line ROW6 and the column line COL1 are turned on.

[0032] In the embodiment of the utility model, the row line or the column line on the matrix circuit is provided with a stabilivolt diode, specifically, the stabilivolt diode ZD6 is connected on the row line ROW4, the stabilivolt diode ZD7 is connected on the row line ROW5, the stabilivolt diode ZD8 is connected on the row line ROW6, the stabilivolt diode ZD1 is connected on the column line COL0, the stabilivolt diode ZD2 is connected on the column line COL1, the stabilivolt diode ZD3 is connected on the column line COL2, the stabilivolt diode is used for the circuit to be free from the high voltage impact, and the current is ensured to flow from the row line to the column line only.

[0033] In the embodiment of the utility model, each button of the button matrix unit 2 triggers different functions, for example, the button K1 triggers the left button of the mouse, the button K2 triggers the middle button of the mouse, the button K3 triggers the right button of the mouse, the button K4 triggers the voice button of the mouse, the button K5 triggers the M button of the mouse, the button K7 triggers the AI button of the mouse, and the button K8 triggers the mode switching button of the mouse.

[0034] Among them, the button K1, the button K2 and the button K3 are the trigger functions of the conventional left button, middle button and right button of the mouse, when the button K1, the button K2 and the button K3 are pressed, the corresponding connected row line and column line are conducted, and the button response is triggered.

[0035] The button K4 triggers the voice button of the mouse, when the button K4 is pressed, the row line ROW5 and the column line COL0 are conducted, a closed loop is formed, voice data collection is started, the button K4 can also be set through the client software, and the applicable language is modified, for example, if the user speaks in mandarin, the text content converted out can be set as mandarin, English or Cantonese.

[0036] The voice data collection of the button K4 can include two ways, one is that the user long-presses the voice button and speaks to the device, releases the hand after speaking, that is, completes the voice input, and the voice data is converted into text data and displayed through the client software, and the other is that the user short-presses the voice button, speaks to the device, and short-presses the voice button again after speaking, that is, completes the voice input, and the voice data is converted into text data and displayed through the client software.

[0037] The button K5 triggers the M button of the mouse, and is a self-defined button (short-pressing can be realized), that is, the function corresponding to the M button can be set through the software interface of the client; the optional functions include but are not limited to voice typing, screenshot translation (default), translation typing, enter, back, one-key query, voice search, window switching, one-key opening of default webpage, mouse sensitivity adjustment and the like.

[0038] Button K7 is the mouse AI trigger button. When button K7 is pressed and triggered, the client software interface can be called and the corresponding AI software can be opened to realize functions such as a general AI assistant for dialogue and chat, a painting master, official document writing, computer expert, weekly report assistant, and English tutor.

[0039] Button K8 is a mouse mode switching button used to switch the wireless transmission mode between the device and the client, including 2.4G connection mode, Bluetooth 1 connection mode, Bluetooth 2 connection mode, etc. After button K8 is triggered, the main control unit U2 controls the connection of mode selection unit 3, and the number of modes switched by button K8 matches the number of mode switching sub-units corresponding to mode selection unit 3.

[0040] In this embodiment of the present invention, the mode selection unit 3 includes m parallel mode switching sub-units, and the m mode switching sub-units are electrically connected to the main control unit U2 respectively, where m is a positive integer. In this embodiment of the present invention, m is 3, that is, the mode selection unit 3 includes a first mode switching sub-unit, a second mode switching sub-unit, and a third mode switching sub-unit.

[0041] Combination Figure 5 and Figure 6 As shown, Figure 5 This is a reference schematic circuit diagram of the first mode switching subunit and the third mode switching subunit. Figure 6 The following is a reference schematic circuit diagram of the second mode switching subunit; the first mode switching subunit includes a first diode D3 and a fourth resistor R8. The negative terminal of the first diode D3 is grounded, and the positive terminal of the first diode D3 is connected to one end of the fourth resistor R8. The other end of the fourth resistor R8 is connected to pin 2 of the main control unit U2. The fourth resistor R8 is a current-limiting resistor used to prevent the first diode D3 from being damaged by overcurrent.

[0042] The third mode switching subunit includes a second diode D8 and a fifth resistor R13. The negative terminal of the second diode D8 is grounded, and the positive terminal of the second diode D8 is connected to one end of the fifth resistor R13. The other end of the fifth resistor R13 is connected to pin 3 of the main control unit U2. The fifth resistor R13 is a current-limiting resistor used to prevent the second diode D8 from being damaged by overcurrent.

[0043] The second mode switching subunit comprises a third diode D4, a sixth resistor R14, a seventh resistor R38, an eighth resistor R39 and an eighth capacitor C28, the positive pole of the third diode D4 is connected with the VIN connecting end of the power supply unit 4 and one end of the eighth capacitor C28 respectively, the negative pole of the third diode D4 is connected with the drain of the transistor Q2, and the other end of the eighth capacitor C28 is grounded; the gate of the transistor Q2 is connected with one end of the seventh resistor R38 and one end of the eighth resistor R39 respectively, the source of the transistor Q2 is grounded, the other end of the seventh resistor R38 is connected with the pin 4 of the main control unit U2, and the other end of the eighth resistor R39 is grounded; wherein the sixth resistor R14 is a current limiting resistor, used for preventing the third diode D4 from being damaged by overcurrent; the seventh resistor R38 is used for voltage division and controlling the gate voltage input to the transistor Q2; the eighth capacitor C28 is a filter capacitor, used for ensuring power stability; and the eighth resistor R39 is a reserved resistor, reserved for use during debugging.

[0044] The mode switching subunit is controlled by the key K8, for example, one short press of the key K8 displays red light flashing, which is a 2.4G connection mode, one more press of the key K8 displays blue light flashing, which is a Bluetooth 1 connection mode, and one more press of the key K8 displays yellow light flashing, which is a Bluetooth 2 connection mode.

[0045] When switched to the "2.4G mode" (i.e. mode 1), the LED-BT2 / BAT_ST1 is at low level, the first diode D3 is bright red, and mode 1 switching is successful; when the mode switching key is pressed, the LED-BT2 / BAT_ST1 is at high level, and the first diode D3 is extinguished.

[0046] When switched to the "Bluetooth connection mode 2" (i.e. mode 3), the BAT_ST2 is at low level, the second diode D8 is bright yellow, and mode 1 switching is successful; when the mode switching key is pressed, the BAT_ST2 is at high level, and the second diode D8 is extinguished.

[0047] When switched to the "Bluetooth connection mode 1" (i.e. mode 2), the BAT_ST3 is at low level, the gate (G) of the transistor Q2 is grounded through the seventh resistor R38, the transistor Q2 is turned on, the third diode D4 is bright blue, and mode 2 switching is successful; when switched to mode 1 or mode 3, the BAT_ST3 is at high level, the gate (G) of the transistor Q2 is connected to high level through R38, the transistor Q2 is cut off, and the third diode D4 is extinguished.

[0048] In the embodiment of the utility model, the end side device circuit further includes debugging / download unit 5, debugging / download unit 5 is electrically connected with main control unit U2, for example, debugging / download unit 5 is connected with the pin 25, pin 26, pin 30, pin 31 and pin 32 of main control unit U2, debugging / download unit 5 is used for main control unit U2 and external network or device data transmission.

[0049] The end side device circuit provided in the embodiment of the utility model can stably collect voice signals through the voice input unit 1, and the stability of voice collection is greatly improved by connecting the pickup unit 12 with the preamplifier unit 11, and the multi-mode switching function is realized through the mode selection unit 3, and the user's use experience is improved.

[0050] On the basis of the above embodiment, the utility model embodiment further provides a kind of intelligent voice end side device, the intelligent voice end side device includes shell and the end side device circuit described in any of the above embodiments;The end side device circuit is arranged in the shell interior;The intelligent voice end side device is intelligent voice mouse;The shell includes the shell that provides physical support to the end side device circuit and the physical button or scroll wheel etc corresponding to each key;The intelligent voice end side device can not only stably collect voice signals by the built-in end side device circuit, simultaneously, with AI function, mode switching function etc, greatly improve the user's use experience.

[0051] In the specification provided herein, a large number of specific details are described. However, it can be understood that the embodiments of the utility model can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not shown in detail in order not to obscure the understanding of the present specification.

[0052] Similarly, it should be appreciated that, in the above description of exemplary embodiments of the utility model, various features of the utility model are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various aspects of the utility model. However, the disclosure method should not be interpreted as reflecting an intention that the claimed utility model requires more features than are explicitly recited in each claim. Rather, the utility model aspects are directed to less than all of the features of the single embodiments disclosed above. Accordingly, the claims, as follows, expressly incorporate material recited in the detailed description and thus are an explicit part of the utility model. Each claim is hereby expressly incorporated into this detailed description, with each claim acting as a separate embodiment of the utility model.

[0053] It should be noted that the above embodiments illustrate the present application rather than limit the present application, and the skilled in the art can design alternative embodiments without departing from the scope of the appended claims.

Claims

1. A terminal-side device circuit, characterized in that, The terminal device circuit includes: a main control unit, a voice input unit, a key matrix unit, a mode selection unit, and a power supply unit; The voice input unit, the key matrix unit, and the mode selection unit are electrically connected to the main control unit; the power supply unit is electrically connected to the main control unit, the voice input unit, and the mode selection unit. The voice input unit includes a preamplifier unit and a pickup unit, wherein the pickup unit is electrically connected to the main control unit, and the preamplifier unit is electrically connected to the pickup unit.

2. The end-side device circuit according to claim 1, characterized in that: The preamplifier unit includes a first low-dropout linear regulator module, a second low-dropout linear regulator module, and a voltage amplification unit. The second low-dropout linear regulator module is electrically connected to the first low-dropout linear regulator module and the voltage amplification unit, respectively. The voltage amplification unit is electrically connected to the pickup unit.

3. The end-side device circuit according to claim 1, characterized in that: The button matrix unit includes a matrix circuit consisting of x row lines and y column lines, and n buttons. One end of each button is connected to one of the x row lines, and the other end of each button is connected to one of the y column lines. When each button triggers a button response, the row line and column line connected to the button are connected. n, x, and y are all positive integers, and n ≤ x * y.

4. The end-side device circuit according to claim 3, characterized in that: A Zener diode is installed on each row or column line of the matrix circuit.

5. The end-side device circuit according to claim 1, characterized in that: The mode selection unit includes a first mode switching subunit, a second mode switching subunit, and a third mode switching subunit arranged in parallel. The first mode switching subunit, the second mode switching subunit, and the third mode switching subunit are electrically connected to the main control unit.

6. The end-side device circuit according to claim 5, characterized in that: The first mode switching subunit includes a first diode and a fourth resistor. The negative terminal of the first diode is grounded, the positive terminal of the first diode is connected to one end of the fourth resistor, and the other end of the fourth resistor is connected to the main control unit.

7. The end-side device circuit according to claim 5, characterized in that: The second mode switching subunit includes a third diode, a sixth resistor, a seventh resistor, an eighth resistor, and an eighth capacitor. The positive terminal of the third diode is connected to one end of the power supply unit and one end of the eighth capacitor, respectively. The negative terminal of the third diode is connected to the drain of the transistor, and the other end of the eighth capacitor is grounded. The gate of the transistor is connected to one end of the seventh resistor and one end of the eighth resistor, respectively. The source of the transistor is grounded. The other end of the seventh resistor is connected to the main control unit, and the other end of the eighth resistor is grounded.

8. The end-side device circuit according to claim 5, characterized in that: The third mode switching subunit includes a second diode and a fifth resistor. The negative terminal of the second diode is grounded, the positive terminal of the second diode is connected to one end of the fifth resistor, and the other end of the fifth resistor is connected to the main control unit.

9. The end-side device circuit according to claim 1, characterized in that, The end-side device circuit also includes a debugging / downloading unit, which is electrically connected to the main control unit.

10. An intelligent voice terminal device, characterized in that, It includes a housing and an end-side device circuit as described in any one of claims 1-9; the end-side device circuit is disposed inside the housing.

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