Adapter for monitoring current of speech processor of artificial cochlea

Abstract

The utility model provides an adapter for monitoring current of a speech processor of an artificial cochlea, which comprises a single chip microcomputer master controller, the single chip microcomputer master controller is connected with a current acquisition circuit through an IIC (inter-integrated circuit) communication circuit to acquire current and power consumption information of the speech processor, and the single chip microcomputer master controller transmits the current and power consumption information to a display screen for display through an SPI (serial peripheral interface) communication circuit; the TYPE-C port provides 5V power supply voltage for the LDO, the DC-DC, the level conversion circuit and the display screen and serves as a USB signal interface at the same time. And the DC-DC outputs 3.7 V voltage and provides the 3.7 V voltage to an external voice processor. The communication between the external language processor and the debugging software can be realized, the current and power consumption of the language processor can be monitored in real time, and convenience is provided for the test and verification of the language processor.

Description

TECHNICAL FIELD

[0001] The utility model relates to the artificial cochlea speech processor special equipment technical field, specifically, relate to a kind of adapter of monitoring artificial cochlea speech processor current. BACKGROUND

[0002] Conventional artificial cochlea is generally divided into in-vivo implant part and extra-corporeal speech processor part, artificial cochlea often needs to test and verify the function performance of extra-corporeal speech processor in development and production manufacturing stage, to ensure that product is stable and reliable when being used by patient.Testing and verifying equipment is usually composed of computer, special tuning machine software, oscilloscope and adapter, engineer sets parameters in tuning machine software, communicates with speech processor through adapter, and traditional adapter only provides communication function, but in development testing and verifying stage, monitoring the power consumption of speech processor is also important, it can monitor current in real time, to ensure the safety and stability of equipment.According to current monitoring result, engineer can also optimize system performance, to reduce system power consumption as much as possible, to prolong the use time of extra-corporeal speech processor.Therefore, a kind of adapter capable of monitoring artificial cochlea speech processor current needs to be designed.

[0003] Therefore, the utility model is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of adapter of monitoring artificial cochlea speech processor current, the utility model improves traditional artificial cochlea speech processor adapter, provides the communication function of sound processor and computer host computer;Meanwhile, increase speech processor current, power consumption monitoring function and obtain relevant data, data is transmitted to master control by IIC, then master control is transmitted to display screen display by SPI, to facilitate the monitoring of result, to facilitate operator optimizing system performance, reduce system energy consumption, prolong the use time of device.

[0005] In order to realize the above-mentioned purpose of the utility model, the following technical scheme is adopted:

[0006] The utility model provides a kind of adapter of monitoring artificial cochlea speech processor current, it includes: single-chip microcomputer master control, the single-chip microcomputer master control is connected with current acquisition circuit by IIC communication circuit and obtains speech processor current, power consumption information, the single-chip microcomputer master control is transmitted to display screen display by SPI communication circuit with current, power consumption information;TYPE-C mouth provides 5V power supply voltage for LDO, DC-DC, level conversion circuit and display screen, simultaneously as USB signal interface;DC-DC output 3.7V voltage, provides for external speech processor;

[0007] The current acquisition circuit acquires current information through a sampling resistor connected in series with an external voice processor; the external voice processor outputs a serial port signal, which communicates with a USB signal output by the TYPE-C port through a level conversion circuit.

[0008] In the utility model, the singlechip main control adopts STM32F103C8T6, mainly transmits the value monitored by the acquisition circuit to the display screen; the power supply circuit LDO and its peripheral circuit adopt ME6211C33M5G, have the characteristics of high power supply rejection ratio and low noise, mainly provide working voltage for the chip used in the singlechip main control and the chip used in the current acquisition circuit; the DC-DC adopts TPMP1470GJ-Z, has the characteristics of high efficiency conversion and fast transient response, and supplies power for the speech processor; the current acquisition circuit and its peripheral circuit adopt INA226, which is a current and power monitoring chip capable of improving the precision of current, reducing noise and energy consumption.

[0009] The display screen adopts a 0.96 display screen with a 128*64 high resolution, and is used for displaying the working voltage, working current and power consumption of the current speech processor; the level conversion circuit is FT232RL, and provides a USB to TTL function; the input interface is a TYPE-C interface, which is used for supplying power to the whole system and providing a USB signal interface, and the output is a pin array, which is mainly used for supplying power to the speech processor and providing a TTL signal interface.

[0010] The above connection mode not only can guarantee the communication function, but also can increase the speech processing function, guarantees the stability and safety of the circuit, and the above circuit can effectively reduce the energy consumption and optimize the performance of the system.

[0011] Preferably, as a further specific embodiment, USART data outputs and input pins are arranged on the external voice processor respectively, and the USART data outputs and input pins are connected with corresponding USART data outputs and input pins arranged in the level conversion circuit through wiring;

[0012] Resistors are arranged on the wiring respectively, and the resistors are used for impedance matching, reflection and noise reduction, and ensure stable transmission of signals.

[0013] The USART data outputs and input pins can support synchronous and asynchronous communication modes, have flexibility and high efficiency, and can achieve the expected technical effects of the utility model.

[0014] Preferably, as a further specific embodiment, the external voice processor is provided with an output interface, and the output interface is a metal pin array.

[0015] In the utility model, the positions of the metal pin array are equidistant, and are used for output connection.

[0016] Preferably, as a further specific embodiment, the single-chip microcomputer master control is also connected to a program downloading circuit.

[0017] Preferably, as a further specific embodiment, a voltage self-checking circuit is arranged in the DC-DC, which monitors whether the 3.7V voltage output by the DC-DC is normal through resistance voltage division.

[0018] The self-checking circuit can detect various electronic components in the circuit, and also detect whether the program is running normally, so as to ensure that the circuit works normally and discovers system faults in time; the voltage division resistor can divide the voltage of the self-checking circuit, further ensuring the safety and stability of the device.

[0019] Preferably, as a further specific embodiment, a crystal oscillator and a reset component are arranged in the program downloading circuit, for providing a reference frequency and device reset.

[0020] Preferably, as a further specific embodiment, the external container of the adapter is a cuboid, and the display screen is arranged on the top surface of the cuboid; the TYPE-C interface and the output interface of the external voice processor are both arranged on the side surface of the cuboid, and the TYPE-C interface and the output interface of the external voice processor are in alignment.

[0021] Compared with the prior art, the utility model has the beneficial effects that:

[0022] The utility model improves the traditional cochlear implant speech processor adapter, increases speech processor current and power consumption monitoring function while providing communication function. By monitoring the current, the safety and stability of the device can be ensured, and according to the current monitoring result, the engineer can optimize the system performance, reduce the system power consumption as much as possible, and prolong the use time of the speech processor. BRIEF DESCRIPTION OF DRAWINGS

[0023] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments with reference made to the accompanying drawings. The drawings are for purposes of illustration only and are not considered a limitation of the present utility model. Moreover, like reference numerals are used to designate identical components throughout the specification and drawings. In the drawings:

[0024] Figure 1 : speech processor adapter circuit structure diagram;

[0025] Figure 2 : speech processor adapter overall schematic diagram;

[0026] Figure 3 : speech processor adapter top view;

[0027] Figure 4 : the single-chip main control circuit diagram in the speech processor;

[0028] Figure 5 : the current collection circuit diagram in the speech processor;

[0029] Figure 6 : the level conversion (USB to TTL circuit) diagram in the speech processor;

[0030] Figure 7 : the DC-DC circuit diagram in the speech processor;

[0031] Figure 8 : the external speech processor circuit diagram in the speech processor;

[0032] Figure 9 : the display screen circuit diagram in the speech processor;

[0033] Figure 10 : the LDO (5V-3.3V) circuit diagram in the speech processor;

[0034] Figure 11 : the LDO (5V-1.8V) circuit diagram in the speech processor.

[0035] The marks in the drawing are represented as:

[0036] 1, external container; 2, TYPE-C interface; 3, output interface; 4, display screen; 5, pin array. DETAILED DESCRIPTION

[0037] The technical solutions of the present application will be described clearly and completely in combination with the drawings and specific embodiments, but those skilled in the art will understand that the following described embodiments are part of the embodiments of the present application, not all the embodiments, and are only used to illustrate the present application, and should not be regarded as limiting the scope of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application. The specific conditions not mentioned in the embodiments are carried out according to the conventional conditions or the conditions recommended by the manufacturer. The reagents or instruments not mentioned by the manufacturer are all conventional products that can be purchased on the market.

[0038] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for description purposes and cannot be understood as indicating or implying relative importance.

[0039] In the description of the utility model, it needs to explain, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0040] In order to more clearly describe the technical scheme in the utility model, the following will be described in the form of specific examples.

[0041] Embodiment

[0042] Reference Figures 2-3 For the external structure of the speech processor adapter, from Figures 2-3 It can be seen from the above that the external container 1 of the adapter designed by the utility model is a rectangular structure, a display screen 4 is arranged at the middle position of the top surface of the external container 1, a TYPE-C interface 2 and an output interface 3 are arranged on the side surface of the external container 1, wherein the TYPE-C interface 2 and the output interface 3 are in alignment, a pin header 5 is arranged on the output interface 3, and the distance between each pin of the pin header 5 is equal.

[0043] Reference Figure 1 And Figures 4-11 Among them Figure 1 It is the circuit structure diagram of the whole speech processor adapter, Figures 4-11 The circuit structure diagram between each electronic element in the speech processor.

[0044] From Figure 1 It can be seen that the single-chip microcomputer master control is connected with the current collection circuit through the IIC communication circuit, the single-chip microcomputer master control is also connected with the display screen through the SPI communication circuit at the same time, the TYPE-C port provides 5V power supply voltage for the LDO, DC-DC, level conversion circuit and display screen, and simultaneously serves as a USB signal interface.

[0045] FromFigure 5 It can be seen from the current acquisition circuit that the voltage information is obtained through the sampling resistor connected in series with the external voice processor, the external voice processor outputs the TTL signal, and is connected with the level conversion circuit, and the level conversion circuit can communicate with the USB signal output by the TYPE-C port. The sampling resistor is connected with the DC-DC, and the DC-DC is connected with the TYPE-C port.

[0046] From Figures 4-11 It can be seen from the internal circuit structure among the various electronic elements. Figure 4 The circuit diagram is controlled by the single-chip microcomputer, and the single-chip microcomputer control is provided with OSC IN and OSC OUT pins. The OSC IN pin can be used for receiving the signal input of the crystal oscillator, and the OSC OUT pin can output the signal after amplification and shaping, establish a stable oscillation loop, and be used for program download. The single-chip microcomputer control is also provided with a reset pin, which can be connected with the reset circuit, and the circuit can be restored to the initial state.

[0047] The single-chip microcomputer control is also provided with SPI input and output pins, SWCLK and SWDIO pins, SCL and SDA pins. The SPI input and output pins can be connected with the display screen through the SPI communication circuit, support full-duplex communication, and can also realize fast communication. The SWCLK and SWDIO pins can be connected with the corresponding device, and can realize synchronous data transmission. The SCL and SDA pins are bus pins, which can realize bidirectional data transmission.

[0048] Some other pins are also provided on the single-chip microcomputer control, which are used for connecting with other electronic elements, or providing an interface for the device when the single-chip microcomputer control needs to connect other input or processing devices.

[0049] From Figure 8 It can be seen from the internal structure of the external voice processor, and the external voice processor is respectively provided with USART data output, input pin, and Figure 6 The USART data output and input pin of the level conversion circuit are connected, which provides the speech conversion function for the device.

[0050] In addition to being connected with the external voice processor, the level conversion circuit can also realize the mutual conversion between the USB signal and the TTL signal. The resistance R 14 and the resistance R 15 are provided on the USART data output and input pin, which are used for impedance matching, reducing reflection and noise, and ensuring stable transmission of the signal. An interface is also provided on the level conversion circuit, which is used for connecting with other electronic elements.

[0051] From Figure 7In the DC-DC circuit structure, the self-checking circuit is connected with the single-chip main control circuit, mainly checks whether the external voltage is 3.7V, so as to realize the circuit self-checking, thereby ensuring the normal operation of the circuit.

[0052] Figure 9 For the circuit structure of the display screen, the RES and DC lines on the display screen can be connected with the pins of the single-chip main control circuit, the DC line can realize the adjustment of the brightness and sensitivity of the display screen, and the RES line can realize the reset operation of the chip or module, thereby realizing the stable operation of the circuit.

[0053] Figures 10-11 In the LDO circuit structure, the LDO can realize the voltage stabilization for the USB input power supply.

[0054] In the working process, the TYPE-C interface accesses the external power supply, the external power supply provides 5V voltage for the display screen, the LDO and the DC-DC device after entering the device, and at the same time, provides the USB signal for the level conversion circuit, the level conversion circuit converts the USB signal into a TTL signal, communicates with the external speech processor, and the DC-DC can convert the 5V voltage into 3.7V, thereby providing a stable power supply for the external speech processor.

[0055] The LDO can convert the 5V voltage into 3.3V voltage and stabilize the circuit, and provide a stable voltage for the single-chip main control, the external speech processor inputs the processed signal into the current collection circuit, the current collection circuit and the single-chip main control are connected through the IIC communication circuit to transmit the signal, the single-chip main control displays the input signal in the display screen through the SPI communication circuit, thereby realizing the operation of the device.

[0056] The above electronic elements realize the communication between the speech processor and the machine adjusting software, and can realize the real-time monitoring of the current and power consumption of the speech processor, thereby providing the convenience and convenience for the test and verification of the speech processor.

[0057] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the above embodiments, those skilled in the art should understand that: they can still modify the technical solutions recorded in the above embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. An adapter for monitoring the fitting of cochlear implant speech processor current, characterized by, The application relates to an external voice processor adapter. The single-chip microcomputer master control is connected with a current collection circuit through an IIC communication circuit to acquire current and power consumption information of a voice processor, and the single-chip microcomputer master control transmits the current and power consumption information to a display screen through an SPI communication circuit for display; a TYPE-C port provides 5V power supply voltage for an LDO, a DC-DC, a level conversion circuit and a display screen, and simultaneously serves as a USB signal interface; a DC-DC outputs 3.7V voltage and provides the voltage for an external voice processor; The current collection circuit acquires current information through a sampling resistor connected with the external voice processor in series, the external voice processor outputs a serial port signal, and the serial port signal is communicated with a USB signal output by the level conversion circuit and the TYPE-C port.

2. The adapter for monitoring cochlear implant speech processor current according to claim 1, wherein, USART data output and input pins are respectively arranged on the external voice processor, and the USART data output and input pins are connected with corresponding USART data output and input pins arranged in the level conversion circuit through wiring; Resistors are arranged on the wiring, and the resistors are used for impedance matching, reflection and noise reduction, and stable signal transmission is ensured.

3. The adapter for monitoring cochlear implant speech processor current of claim 2, wherein, An output interface is arranged, and the output interface is a metal pin array and is connected with the external voice processor.

4. The adapter for monitoring cochlear implant speech processor current of claim 1, wherein, A voltage self-checking circuit is arranged in the DC-DC, the voltage self-checking circuit monitors whether the 3.7V voltage output by the DC-DC is normal through resistance voltage division.

5. The adapter for monitoring cochlear implant speech processor current of claim 3, wherein, The external container of the adapter is a cuboid, the display screen is arranged on the top surface of the cuboid, the TYPE-C interface and the output interface of the external voice processor are arranged on the side surface of the cuboid, and the TYPE-C interface and the output interface of the external voice processor are in alignment.

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