CN202891899U - Medical detection device and medical detection system - Google Patents
Medical detection device and medical detection system Download PDFInfo
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- CN202891899U CN202891899U CN2012204076909U CN201220407690U CN202891899U CN 202891899 U CN202891899 U CN 202891899U CN 2012204076909 U CN2012204076909 U CN 2012204076909U CN 201220407690 U CN201220407690 U CN 201220407690U CN 202891899 U CN202891899 U CN 202891899U
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Abstract
The utility model provides a medical detection device and a medical detection system. The medical detection device and the medical detection system comprise a medical detection unit and a signal transformation unit, wherein the medical test unit is used for detecting analog signals identifying human body physiological parameters, and the signal converting unit is used for transforming the analog signals identifying human body physiological parameters to signals with an audio format in order to send the human body physiological parameters to an external terminal through a mode of audio signals. The human body physiological parameters acquired by being detected by the m medical detection unit are transformed by the signal transformation unit to acquire the signals with the audio format identifying the human body physiological parameters, and then the signals with the audio format identifying the human body physiological parameters are sent to the external terminal through an audio connector, and therefore the function that the medical detection unit is in information connection with various kinds of external terminals is extended, compatibility that the medical detection unit is in information connection with various kinds of external terminals is improved, and meanwhile stability of transmission of the human body physiological parameters is guaranteed.
Description
Technical field
This utility model relates to the technical field of intelligent appliance, particularly, relates to a kind of medical inspection device and system.
Background technology
In the prior art, the various medical inspection devices such as blood oxygen detection, pedometer, small-sized heart rate measuring instrument meter detect and obtain after the human body physiological parameter, usually need USB interface that human body physiological parameter is sent to exterior terminal.
For the medical inspection devices such as blood oxygen detection, pedometer, small-sized heart rate measuring instrument meter, be faced with at present the trend of miniaturization, carry, place and use to make things convenient for the user.Yet, in the trend toward miniaturization of medical inspection device, for the function of expanding medical inspection device and with the compatibility of other exterior terminals, often designed more USB interface, compare more and more less medical inspection device machine volume, the ratio of the shared medical inspection device volume of the volume of USB interface is increasing, the size of USB interface and quantity have hindered the trend toward miniaturization of medical inspection device, and, a plurality of USB interface are set on the medical inspection device also will cause the circuit of medical inspection device complicated, cause the transfer of data of human body physiological parameter unstable.In addition, some external equipments (such as the audio/video player of personal digital assistant, e-book, Apple, IPAD etc.) itself do not possess USB interface or only possess special interface (for example mini USB interface), so just can't receive the physiological data that those general medical inspection devices that adopt USB interface to carry out transfer of data obtain.But these equipment generally all comprise the interface that can carry out audio signal transmission.
The utility model content
For addressing the above problem, this utility model provides a kind of medical inspection device and system, is used for solving many, the unsettled problem of transfer of data of interface on the prior art medical inspection device.
For this reason, this utility model provides a kind of medical inspection device, wherein, comprising:
Medical science detecting unit and signal conversion unit;
Described medical science detecting unit is for detection of the analogue signal of sign human body physiological parameter;
The analog signal conversion that described signal conversion unit is used for identifying human body physiological parameter becomes the signal of audio format, so that the form of human body physiological parameter by audio signal sent to exterior terminal;
Be electrically connected between described medical science detecting unit and the signal conversion unit.
Wherein, adapter circuit, output interface circuit and audio interface;
Described adapter circuit is used for the analogue signal of sign human body physiological parameter is carried out rectification, filtering and analog digital conversion, to obtain identifying the digital signal of human body physiological parameter;
Described output interface circuit is used for digital signal is converted to the signal of audio format;
Described audio interface sends to exterior terminal with the signal of audio format;
The input of described output interface circuit and outfan are electrically connected with described adapter circuit, audio interface respectively.
Wherein, described adapter circuit comprises:
Transformator, the first field effect transistor, the second field effect transistor, the 3rd field effect transistor, the 4th field effect transistor, Schottky diode, filter capacitor and hold-off diode;
One end of described transformator is connected with the drain electrode of the source electrode of described the first field effect transistor, the 3rd field effect transistor, the grid of the second field effect transistor, the grid of the 4th field effect transistor;
The other end of described transformator is connected with the grid of described the first field effect transistor, the grid of the 3rd field effect transistor, the source electrode of the second field effect transistor, the drain electrode of the 4th field effect transistor;
The input of described Schottky diode is connected with the source electrode of described the 3rd field effect transistor, the drain electrode of the 4th field effect transistor, and the outfan of described Schottky diode is connected with the input of described hold-off diode;
One end of described filter capacitor is connected between described Schottky diode and the hold-off diode, the other end ground connection of described electric capacity;
The output head grounding of described hold-off diode, the grounded drain of the drain electrode of described the first field effect transistor, the second field effect transistor.
Wherein, described transformator is step-up transformer.
Wherein, described output interface circuit comprises: left channel signals passage, right-channel signals passage, microprocessor and low pass filter;
Described left channel signals passage and right-channel signals passage are used for receiving the signal of sign human body physiological parameter, described microprocessor converts the signal of human body physiological parameter the signal of audio format to, by low pass filter the signal of audio format is sent to audio interface;
The input of described microprocessor is connected with described left channel signals passage, right-channel signals passage, the outfan of described microprocessor and described low pass filter.
Wherein, described microprocessor adopts the MSP430 microprocessor.
Wherein, described signal conversion unit also comprises: audio connector, and for communicating by letter on the audio interface that is connected to exterior terminal and with exterior terminal.
Wherein, the output impedance of described audio connector is 3.6 ohm.
Wherein, described medical science detecting unit comprises as lower at least a:
Heart rate measuring instrument, instrument for measuring blood pressure, blood oxygen detection, pedometer and clinical thermometer.
This utility model also provides a kind of medical detection system, wherein, comprises exterior terminal and any one above-mentioned medical inspection device.
The utlity model has following beneficial effect:
Among the embodiment that this utility model provides, by signal conversion unit the medical science detecting unit being detected the human body physiological parameter that obtains changes, signal with the audio format that obtains identifying human body physiological parameter, so that by audio connector the form of human body physiological parameter by audio signal sent to exterior terminal, expanded the function that medical science detecting unit and various exterior terminal carry out information communication, improved the compatibility of carrying out information communication with exterior terminal, the stability when also guaranteeing to transmit human body physiological parameter simultaneously.
Description of drawings
Fig. 1 is the structural representation of this utility model medical inspection device the first embodiment;
Fig. 2 is the structural representation of this utility model medical inspection device the second embodiment;
Fig. 3 is the structural representation of adapter circuit in the present embodiment;
Fig. 4 is the structural representation of present embodiment output interface circuit;
Fig. 5 is the structural representation of this utility model medical detection system.
The specific embodiment
For making those skilled in the art understand better the technical solution of the utility model, below in conjunction with accompanying drawing medical inspection device and the system that this utility model provides is described in detail.
Fig. 1 is the structural representation of this utility model medical inspection device the first embodiment.As shown in Figure 1, the present embodiment medical inspection device comprises medical science detecting unit 10 and signal conversion unit 20, wherein, medical science detecting unit 10 is for detection of the analogue signal of sign human body physiological parameter, signal conversion unit 20 is used for the analog signal conversion of human body physiological parameter is become the signal of audio format, so that human body physiological parameter is sent to the audio interface of exterior terminal by the form of audio signal, thereby make medical inspection device a plurality of USB interface need be set, simplified the line construction in the medical inspection device, avoid the unsettled problem of transfer of data, and the stability of the signal of audio format is strong, versatility is high.At present, comprise that nearly all exterior terminal of computer, mobile phone, personal digital assistant and e-book all has audio interface, so the signal of the audio format of human body physiological parameter and exterior terminal is compatible high.
In actual applications, medical science detecting unit 10 can comprise in heart rate measuring instrument, instrument for measuring blood pressure, blood oxygen detection, pedometer and the clinical thermometer any one or a plurality of.
Fig. 2 is the structural representation of this utility model medical inspection device the second embodiment, and Fig. 3 is the structural representation of adapter circuit in the present embodiment, and Fig. 4 is the structural representation of present embodiment output interface circuit.As shown in Figure 2, in the present embodiment medical inspection device, signal conversion unit 20 comprises adapter circuit 201, output interface circuit 202 and audio interface 203, wherein, the analogue signal of 201 pairs of signs of adapter circuit human body physiological parameter is carried out rectification, filtering and analog digital conversion, to obtain identifying the digital signal of human body physiological parameter, output interface circuit 202 converts digital signal to the signal of audio format, the input of output interface circuit 202 be connected adapter circuit 201, the outfan of output interface circuit 202 is connected with audio interface 203, audio interface 203 can be connected with the audio interface of exterior terminal by audio connector, thereby realizes information communication with exterior terminal.
As shown in Figure 3, adapter circuit 201 comprises: transformator T, the first field effect transistor Q1, the second field effect transistor Q2, the 3rd field effect transistor Q3, the 4th field effect transistor Q4, Schottky diode D1, filter capacitor and hold-off diode D2, the quantity of filter capacitor can be three, comprise the first capacitor C 1, the second capacitor C 2 and the 3rd capacitor C 3, the equal ground connection of one end of the first capacitor C 1, the second capacitor C 2 and the 3rd capacitor C 3, the other end of the first capacitor C 1, the second capacitor C 2 and the 3rd capacitor C 3 all is connected between Schottky diode D1 and the hold-off diode D2.Wherein, the end of transformator T and the source electrode of the first field effect transistor Q1, the drain electrode of the 3rd field effect transistor Q3, the grid of the second field effect transistor Q2, the grid of the 4th field effect transistor Q4 connects, the grid of the other end of transformator T and the first field effect transistor Q1, the grid of the 3rd field effect transistor Q3, the source electrode of the second field effect transistor Q2, the drain electrode of the 4th field effect transistor Q4 connects, the source electrode of the input of Schottky diode D1 and the 3rd field effect transistor Q3, the drain electrode of the 4th field effect transistor Q4 connects, the outfan of Schottky diode D1 is connected with the input of hold-off diode D2, the output head grounding of hold-off diode D2, the drain electrode of the first field effect transistor Q1, the grounded drain of the second field effect transistor Q2.In actual applications, transformator T can adopt step-up transformer, for example can adopt the step-up transformer of the LPR6235 model of Coilcraft Inc. (Coilcraft) manufacturing, the first field effect transistor Q1, the second field effect transistor Q2, the 3rd field effect transistor Q3, the 4th field effect transistor Q4 and Schottky diode D1 carry out rectification to the stepped voltage of transformator T output, and filter capacitor carries out filtering to the stepped voltage of transformator T output.In view of the versatility of analog to digital conversion circuit and device, do not express relevant circuit at this.In the present embodiment, because the stepped voltage of transformator T output is higher than the gate voltage of each above-mentioned field effect transistor, so each above-mentioned field effect transistor conducting also provides marginal loss, to strengthen the stability of transformator T output voltage, reduced simultaneously the On current of hold-off diode D2, to reduce the forward voltage drop of hold-off diode D2.Undertaken after rectification, filtering and the analog digital conversion by the analogue signal of 201 pairs of adapter circuits sign human body physiological parameter, obtain identifying the digital signal of human body physiological parameter.
In actual applications, the primary direct current of transformator T resistance L is 200m Ω, elementary reactance X
LBe 25 μ H, then the computing formula according to driving frequency f can obtain its driving frequency f, the computing formula of driving frequency f as shown in Equation (1):
f＝X
L/(2πL) （1）
Wherein, X
LBe elementary reactance, L is the primary direct current resistance.
Can calculate driving frequency f according to formula (1) is 22.9kHz.
As shown in Figure 4, output interface circuit 202 comprises microprocessor 2020, left channel signals passage 2021, right-channel signals passage 2022 and low pass filter 2023, the input of microprocessor 2020 connects respectively left channel signals passage 2021 and right-channel signals passage 2022, the outfan of microprocessor 2020 connects low pass filter 2023, be connected with audio interface 203, left channel signals passage 2021 and right-channel signals passage 2022 are respectively applied to receive signal dissimilar or the kind human body physiological parameter, for example left channel signals passage 2021 receives heart rate signal, right-channel signals passage 2022 receives the blood oxygen signal (in of the present utility model other embodiments different from present embodiment, following situation also allows, that is: left channel signals passage and right-channel signals passage also can receive the signal of the human body physiological parameter of identical type or kind), the signal that microprocessor 2020 will identify human body physiological parameter converts the signal of audio format to, signal by low pass filter 2023 these audio formats is carried out frequency shift keying (Frequency-Shift Keying by the carrier frequency with driving frequency 22.9kHz, FSK) process, by low pass filter 2023 signal of audio format is sent to audio interface 203 again, audio interface 203 outputs to exterior terminal with human body physiological parameter.Those skilled in the art can select the electronic component that is complementary to obtain output interface circuit 202 under the prerequisite of not paying creative work according to as shown in Figure 4 output interface circuit 202, do not repeat them here.In actual applications, microprocessor 2020 can adopt the microprocessor of MSP430 model or microprocessor, DSP, the MCU etc. of other models.
Further, the present embodiment medical inspection device also comprises audio connector, one end of audio connector and 203 fixed connections or movable connection of audio interface, the other end of audio connector is connected with the audio interface of exterior terminal, wherein, the output impedance of audio connector can be set to 3.6 ohm.Exterior terminal can be serial media product of computer, mobile phone, e-book and/or Apple etc., at present, nearly all exterior terminal all is provided with audio interface, so, the present embodiment medical inspection device only need to arrange an audio interface 203, just can carry out information communication with various exterior terminals, sends to exterior terminal with the signal that human body physiological parameter is converted to audio format, highly versatile, compatible high, it is also very simple, quick to operate.
In the present embodiment, by signal conversion unit the medical science detecting unit being detected the human body physiological parameter that obtains changes, signal with the audio format that obtains identifying human body physiological parameter, then by audio connector the form of human body physiological parameter by audio signal sent to exterior terminal, expanded the function that medical science detecting unit and various exterior terminal carry out information communication, improved the compatibility of carrying out information communication with exterior terminal, the stability when also guaranteeing to transmit human body physiological parameter simultaneously.
Fig. 5 is the structural representation of this utility model medical detection system.As shown in Figure 5, the present embodiment medical detection system comprises exterior terminal 40 and any one above-mentioned medical inspection device 50, the analog signal conversion that signal conversion unit 20 in the medical inspection device 50 will identify human body physiological parameter becomes the signal of audio format, by audio connector the form of human body physiological parameter by audio signal sent to exterior terminal 40 again, thereby the complex circuit that makes medical inspection device a plurality of USB interface need not be set and cause, avoid the unsettled problem of transfer of data, and the stability of the signal of audio format is strong, versatility is high, is fit to the signal that various different exterior terminals 40 receive the audio format of human body physiological parameter.
Be understandable that above embodiment only is the illustrative embodiments that adopts for principle of the present utility model is described, yet this utility model is not limited to this.For those skilled in the art, in the situation that does not break away from spirit of the present utility model and essence, can make various modification and improvement, these modification and improvement also are considered as protection domain of the present utility model.
Claims (10)
1. a medical inspection device is characterized in that, comprising: medical science detecting unit and signal conversion unit;
Described medical science detecting unit is for detection of the analogue signal of sign human body physiological parameter;
The analog signal conversion that described signal conversion unit is used for identifying human body physiological parameter becomes the signal of audio format, so that the form of human body physiological parameter by audio signal sent to exterior terminal;
Be electrically connected between described medical science detecting unit and the signal conversion unit.
2. medical inspection device according to claim 1 is characterized in that, described signal conversion unit comprises: adapter circuit, output interface circuit and audio interface;
Described adapter circuit is used for the analogue signal of sign human body physiological parameter is carried out rectification, filtering and analog digital conversion, to obtain identifying the digital signal of human body physiological parameter;
Described output interface circuit is used for digital signal is converted to the signal of audio format;
Described audio interface sends to exterior terminal with the signal of audio format;
The input of described output interface circuit and outfan are electrically connected with described adapter circuit, audio interface respectively.
3. medical inspection device according to claim 2 is characterized in that, described adapter circuit comprises:
Transformator, the first field effect transistor, the second field effect transistor, the 3rd field effect transistor, the 4th field effect transistor, Schottky diode, filter capacitor and hold-off diode;
One end of described transformator is connected with the drain electrode of the source electrode of described the first field effect transistor, the 3rd field effect transistor, the grid of the second field effect transistor, the grid of the 4th field effect transistor;
The other end of described transformator is connected with the grid of described the first field effect transistor, the grid of the 3rd field effect transistor, the source electrode of the second field effect transistor, the drain electrode of the 4th field effect transistor;
The input of described Schottky diode is connected with the source electrode of described the 3rd field effect transistor, the drain electrode of the 4th field effect transistor, and the outfan of described Schottky diode is connected with the input of described hold-off diode;
One end of described filter capacitor is connected between described Schottky diode and the hold-off diode, the other end ground connection of described electric capacity;
The output head grounding of described hold-off diode, the grounded drain of the drain electrode of described the first field effect transistor, the second field effect transistor.
4. medical inspection device according to claim 3 is characterized in that, described transformator is step-up transformer.
5. medical inspection device according to claim 2 is characterized in that, described output interface circuit comprises: left channel signals passage, right-channel signals passage, microprocessor and low pass filter;
Described left channel signals passage and right-channel signals passage are used for receiving the signal of sign human body physiological parameter, described microprocessor converts the signal of human body physiological parameter the signal of audio format to, by low pass filter the signal of audio format is sent to audio interface;
The input of described microprocessor is connected with described left channel signals passage, right-channel signals passage, the outfan of described microprocessor and described low pass filter.
6. medical inspection device according to claim 5 is characterized in that, described microprocessor adopts the MSP430 microprocessor.
7. medical inspection device according to claim 2 is characterized in that, described signal conversion unit also comprises: audio connector, and for communicating by letter on the audio interface that is connected to exterior terminal and with exterior terminal.
8. medical inspection device according to claim 7 is characterized in that, the output impedance of described audio connector is 3.6 ohm.
9. medical inspection device according to claim 1 is characterized in that, described medical science detecting unit comprises as lower at least a:
Heart rate measuring instrument, instrument for measuring blood pressure, blood oxygen detection, pedometer and clinical thermometer.
10. a medical detection system is characterized in that, comprises the arbitrary described medical inspection device of exterior terminal and claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204076909U CN202891899U (en) | 2012-08-16 | 2012-08-16 | Medical detection device and medical detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204076909U CN202891899U (en) | 2012-08-16 | 2012-08-16 | Medical detection device and medical detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202891899U true CN202891899U (en) | 2013-04-24 |
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ID=48112628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204076909U Expired - Lifetime CN202891899U (en) | 2012-08-16 | 2012-08-16 | Medical detection device and medical detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202891899U (en) |
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2012
- 2012-08-16 CN CN2012204076909U patent/CN202891899U/en not_active Expired - Lifetime
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 100041, Haidian District, Yuquanlu Road, No. 12, 4, 4104, Beijing Patentee after: BEIJING CHOICE ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 100039 Beijing City, Haidian District Fuxing Road, No. 83 West floor three room 320 Patentee before: BEIJING CHOICE ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: Room 410-412, 2 / F, 3 / F, 4 / F, building 2, No.9, Shuangyuan Road, Shijingshan District, Beijing 100041 Patentee after: BEIJING CHOICE ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 100041 Beijing city Haidian District No. 12 Yuquanlu Road 4 4104 Patentee before: BEIJING CHOICE ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |