CN204408628U - The data programing line of hearing aids - Google Patents
The data programing line of hearing aids Download PDFInfo
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- CN204408628U CN204408628U CN201520101711.8U CN201520101711U CN204408628U CN 204408628 U CN204408628 U CN 204408628U CN 201520101711 U CN201520101711 U CN 201520101711U CN 204408628 U CN204408628 U CN 204408628U
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- hearing aids
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Abstract
The utility model discloses the data programing line of hearing aids, this data programing line, comprise USB interface, PL2303 transducer, control circuit, voltage stabilizing circuit, hearing aids line program, USB interface connects host computer USB port, the voltage signal that control circuit process PL2303 transducer spreads out of, hearing aids line program is for connecting hearing aid programming interface.The utility model can realize the feature that programmable hearing aid is debugged, structure is simple, programming tool is with low cost, easy to use.And taken into account environmental protection and flexibility, be easy to carry out upgrading and expanding, be easy to development of new hearing aid product.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to a kind of data programing line of programmable hearing aid.
Background technology
In recent years along with the development of hearing aid industry, the hearing aids of various Various Functions constantly occurs, especially the requirement of user to hearing aids outward appearance and debugging mode is more aobvious outstanding.User needs debud mode more easily, more hidden hearing aids.
Prior art, the debug system of hearing aids is to debug by host computer Hipro/Noah-link hearing aids, and it mainly supports I2C or SPI communication, sends Signal transmissions to Hipro/Noah-link programmable device switching signal in hearing aids by host computer.Before debugging, need to install Hipro/Noah-link programmable device drive and buy expensive programmable device, be a larger spending for common user, and drive not easily to install and also not easily debug.Carry programmable device also heavier, also there is the compatibling problem driven with system.
The key factor affecting hearing aids price is the charge that audiologist or pharmacists serve the correction of device and programming process, together with the use of required equipment, as software, computer, cable etc.If these audiologists participated in and/or pharmacists and the corrective used can omit, or at least can effectively reduce, the expense of hearing aids can be effectively reduced.
Term " programming " relates to such process: read the information about setting adjustable hearing aids from hearing aids, then programmer is passed to for confirming, and in order to the setting changing hearing aids is can be applicable to the specific user of hearing aids, the change of these data is write back to hearing aids.These arrange the setting working method defining hearing aids.Hearing aids comprises the digital signal processor of a run signal process software, and write hearing aids the change that can comprise signal processing software self is set.
Summary of the invention
The present invention solves the technical problem of above existence, be that providing one independently to test joins hearing aids debug system and data programing line, programmable hearing aid debugging can be realized, structure is simple, programming tool is with low cost, easy to use, feature that UART communication can be supported, and taken into account environmental protection and flexibility, be easy to carry out upgrading and expanding, be easy to development of new hearing aid product.Its objective is, provide a kind of simple to operation, and the hearing aid fitting debug system of cheapness, meet testing of layman and join requirement, realize the universal of hearing aids and generalization.Overcome the shortcoming that existing programming device exists, the present invention also provides the line program of a kind of utility model inventive belt USB, replaces original programming device.
Technical scheme of the present invention is as follows:
a kind of data programing line of hearing aids, comprise USB interface, PL2303 transducer, control circuit, voltage stabilizing circuit, hearing aids line program, USB interface connects host computer USB port, the voltage signal that control circuit process PL2303 transducer spreads out of, hearing aids line program is for connecting hearing aid programming interface.
Described control circuit is logic level converting circuit.
Beneficial effect of the present invention:
Make to test and join in process that to carry programming device simple, programming device cost is low, environmental protection, is beneficial to specialty and non-professional programming personnel programmes, and is conducive to raising user to the familiarity of the performance of hearing aids, is better beneficial to popularization and the development of hearing aids.
Accompanying drawing explanation
Fig. 1 independently tests to join hearing aids debug system and compare schematic diagram with existing;
Fig. 2 is USB male joint socket figure;
Fig. 3 is the transition diagram of PL2303 communication modes;
Fig. 4 is logic level converting circuit figure;
Fig. 5 is voltage stabilizing circuit figure;
Fig. 6 is power supply and the communication interface figure of DSP.
Embodiment
One is independently tested and is joined hearing aids debug system, comprises upper computer software, data programing line, hearing aids; Its connected mode: connect upper computer end USB port by the USB port in line program, hearing aids connecting line connects hearing aids programming port, is illustrated in figure 1 the comparison of existing connected mode and connected mode of the present invention.In existing connected mode, coupling part forms USB or RS232 serial port connecting wire by 3 parts, the programmable device (as Hipro/Noah-link) of band USB or RS232 serial ports, line program.
Described upper computer software completing user listens the reading of inner parameter in the typing of force information and hearing aids, joins software as existing hearing aids manufacturer tests;
A kind of hearing aids line program with USB interface of described data programing line, be made up of USB interface, PL2303 transducer, control circuit, voltage stabilizing circuit, hearing aids line program, USB interface connects host computer USB port, the voltage signal that signal logic level conversion processing of circuit PL2303 transducer spreads out of, hearing aids line program is for connecting hearing aid programming interface.The difference of existing connected mode and connected mode of the present invention is to eliminate programmable device as seen from Figure 1, makes equipment be easier to carry, and connects debugging by the line program of a band USB.Saved by traditional programmable device, this is not simple by the function i ntegration of programmable device to hearing aids or in USB line program, but a kind of new debugging mode, and the debug process of traditional hearing aids is developed under the technical documentation provided according to chip manufacturer.The feature of the serial communication known by us based on the present invention carries out the development & production of hearing aids, thus reduces the cost in programming process.
Described hearing aids, it is the hearing aids based on serial communication chip development, turn serial port programming line by USB to be changed by the signal logic level shifting circuit that the digital data transmission of host computer turns in serial port programming line to USB, digital signal is passed to by hearing aids line program in the hearing aid chips of hearing aids processing unit after signal logic level shifting circuit is changed.Itself and the maximum difference of main flow hearing aid product are directly can be communicated by serial ports, do not need other reforming units (programmable device as existing hearing aids), essential core is computational methods in the chip of hearing aids and signal transacting, and the hearing aids of remaining parts and main flow is similar.Can divide 2 kinds of connected modes according to the configuration of existing market PC, 1 directly connects serial ports programmes, and 2 turn serial ports by USB carries out programme (considering that a lot of computer main board does not have serial ports now), and the present invention is example in a second approach.
Described hearing aids comprises hearing aid chips, microphone, receiver, battery compartment (power pack).
Described hearing aid chips is the chip based on serial communication, different from the support 2C of main flow on market or SPI communication modes.
Described host computer comprises PC, mobile phone, PAD.
Described data programing line operation principle: hearing aids passes through USB male joint socket by after conversion in the digital data transmission of host computer to the PL2303 transducer in USB line program, transfer signals to signal logic level shifting circuit again to change, digital signal is passed in the hearing aids dsp chip of hearing aids processing unit by hearing aids line program after signal logic level shifting circuit is changed.
Present invention provides enforcement principle, all kinds of component parameters is not illustrated, because can optimum selecting in actual production, be well known to those skilled in the art.The structure of data programing line is composed as follows:
1, this is USB male joint socket, can combine be connected with the USB female on computer, and D-, D+ are two FPDP of USB transmission, communication, as shown in Figure 2.
2, the effect of PL2303 is the conversion of communication modes, because present a lot of PC does not have serial ports, cannot carry out serial communication, so just carry out simulative serial port by the USB port of indispensability with MCU.Like this at MCU, oneself and PC are still carrying out serial communication.By PL2303, serial communication can be carried out and tested, as shown in Figure 3.
The effect of PL2303 is at simulative serial port, and digital signal level is packed by PL2303, is converted to usb protocol bag, then packet is issued PC, unpack reprocessing by PC.
3, logic level transition part, as shown in Figure 4.
PL2303 out be the Transistor-Transistor Logic level of 3.3V, in order to the pairing of DSP level, intercommunication needs to carry out level conversion mutually.Use 2 of NXP company two-way low-voltage converter GTL2002D.
4, voltage stabilizing circuit, uses AMS117_1.5, provides stable power supply, as shown in Figure 5 to DSP.
5, hearing aids line program is available to power supply and the communication interface of DSP, as shown in Figure 6.
Claims (2)
1. the data programing line of a hearing aids, it is characterized in that, comprise USB interface, PL2303 transducer, control circuit, voltage stabilizing circuit, hearing aids line program, USB interface connects host computer USB port, the voltage signal that control circuit process PL2303 transducer spreads out of, hearing aids line program is for connecting hearing aid programming interface.
2. data programing line according to claim 1, is characterized in that, described control circuit is logic level converting circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520101711.8U CN204408628U (en) | 2015-02-12 | 2015-02-12 | The data programing line of hearing aids |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520101711.8U CN204408628U (en) | 2015-02-12 | 2015-02-12 | The data programing line of hearing aids |
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| Publication Number | Publication Date |
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| CN204408628U true CN204408628U (en) | 2015-06-17 |
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| CN201520101711.8U Active CN204408628U (en) | 2015-02-12 | 2015-02-12 | The data programing line of hearing aids |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811883A (en) * | 2015-02-12 | 2015-07-29 | 杭州爱听科技有限公司 | Autonomously fitting hearing aid debugging system and data programming line |
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2015
- 2015-02-12 CN CN201520101711.8U patent/CN204408628U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811883A (en) * | 2015-02-12 | 2015-07-29 | 杭州爱听科技有限公司 | Autonomously fitting hearing aid debugging system and data programming line |
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