CN203138500U - Blood oxygen measuring instrument capable of measuring body temperature - Google Patents
Blood oxygen measuring instrument capable of measuring body temperature Download PDFInfo
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- CN203138500U CN203138500U CN 201220579383 CN201220579383U CN203138500U CN 203138500 U CN203138500 U CN 203138500U CN 201220579383 CN201220579383 CN 201220579383 CN 201220579383 U CN201220579383 U CN 201220579383U CN 203138500 U CN203138500 U CN 203138500U
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Abstract
The utility model provides a blood oxygen measuring instrument capable of measuring body temperature. The blood oxygen measuring instrument comprises a micro-control unit (MCU), a power supply managing module, a blood oxygen measuring module and a temperature measuring module, wherein the MCU is connected with other modules respectively, and is used for controlling the running of each module; the blood oxygen measuring module comprises a light-emitting tube and a receiving tube, and is used for acquiring a blood oxygen measuring signal of a measuring object; the blood oxygen measuring module is used for transmitting corresponding blood oxygen data to the MCU, or transmitting a blood oxygen measuring signal to the MCU; the temperature measuring module comprises a noncontact sensor, and is used for acquiring a temperature measuring signal of the measuring object; and the temperature measuring module is used for transmitting temperature data acquired according to the temperature measuring signal to the MCU, or transmitting a temperature measuring signal to the MCU to make the MCU acquire corresponding temperature data according to the temperature measuring signal. The measuring instrument disclosed by the embodiment of the utility model has the advantages of compact circuit structure, high precision, small size, sensitive reaction, and the like.
Description
Technical field
This utility model relates to the Medical Instruments technical field, particularly a kind of body temperature measurable blood oxygen measuring device.
Background technology
Blood oxygen and body temperature are reflection and two indexs weighing the human physiological functions state, clinically, the two has certain dependency, thereby in the diagnostic assessment of a lot of diseases and physiological situation, often need blood oxygen and body temperature combined and carry out comprehensive assessment, to improve the accuracy of diagnosis and treatment.
At present, the user is in the gentle blood oxygen saturation of detection bodies, so that the two is carried out comprehensive assessment, often need to use these two instruments of clinical thermometer and blood oxygen measuring device, this is not only bad for analysis-by-synthesis and the record of testing result, and, if the user need detect when going out, then must carry these two instruments simultaneously, thereby make troubles for carrying of user.
For this reason, people have designed the blood oxygen measuring device that a kind of separate unit instrument can be measured blood oxygen and body temperature, as shown in Figure 1, for Granted publication number is the disclosed a kind of finger-clipped blood oxygen instrument of Chinese utility model patent of CN 201426987U, it comprises plug-in housing 1 and body temperature trans 2.Wherein, in housing 1, be provided with circuit board and blood oxygen signal acquisition module (internal structure to housing 1 among the figure is all not shown), be integrated with blood oxygen signal processing module and body temperature signal processing module at circuit board.Wherein, blood oxygen signal acquisition module is used for gathering detected person's blood oxygen signal, and sends it to blood oxygen signal processing module; Blood oxygen signal processing module is used for converting the blood oxygen signal blood oxygen information such as to blood oxygen saturation, and it is sent.In addition, the surface of housing 1 is provided with the body temperature trans interface 10 that is electrically connected with circuit board, and the plug of body temperature trans 2 can be plugged in the body temperature trans interface 10, is sent to the body temperature signal processing module in order to the detected person's that will gather body temperature signal.When stating finger-clipped blood oxygen instrument in the use, both can gather detected person's blood oxygen signal by blood oxygen signal acquisition module, also can gather detected persons' body temperature signal by body temperature trans 2, thereby only need the separate unit instrument can realize detection to body temperature and blood oxygen saturation.
Though can realize the separate unit instrument to the detection of body temperature and blood oxygen saturation by above-mentioned finger-clipped blood oxygen instrument, there is following problem in actual applications inevitably in finger-clipped blood oxygen instrument:
One, because body temperature trans 2 only is plugged in the body temperature trans interface 10 of housing 1 by its plug, and plug uses or carries to be easy in the process produce with body temperature trans interface 10 the user and relatively moves or rotate, even from body temperature trans interface 10, break away from, thereby this inserting mode very built on the sand, but also easily in time accumulation produces problems such as loose contact, wearing and tearing, thereby give the accuracy in detection of finger-clipped blood oxygen instrument and bring certain harmful effect service life.
They are two years old, because body temperature trans 2 adopts the mode of pegging graft to link together with housing 1, namely, body temperature trans 2 only is connected on the outside of housing 1 outward by data wire, this not only gives carrying and taking in and make troubles of user, and in the process that the user carries, body temperature trans 2 and its data wire produce collision or wearing and tearing because of user's activity with the external world easily, thereby cause reducing service life even damaging.
The utility model content
This utility model is intended to solve at least one of technical problem that exists in the prior art, but a kind of blood oxygen measuring device of take temperature has been proposed, it not only can measure blood oxygen levels, can also measure temperature value, the circuit structure compactness also has the certainty of measurement height, and is easy to carry, simple to operate, advantage such as be quick on the draw.
For realizing that but the purpose of this utility model provides a kind of blood oxygen measuring device of take temperature, comprises micro-control unit MCU, power management module, Oximetry module and temperature-measuring module; Wherein,
Described MCU is connected with described power management module, described Oximetry module and described temperature-measuring module respectively, and described MCU can control the operation of each module of linking to each other with MCU;
Described power management module provides electric energy for the whole system of body temperature measurable blood oxygen measuring device;
Described Oximetry module comprises luminous tube and receiving tube, is used for gathering the Oximetry signal of measuring object,
The oximetry data of the correspondence that described Oximetry module will obtain according to described Oximetry signal sends to described MCU; Or, described Oximetry signal sent to described MCU so that the oximetry data of the correspondence that described MCU obtains according to the Oximetry signal;
Described temperature-measuring module comprises noncontacting proximity sensor, is used for gathering the temperature measurement signal of measuring object;
The temperature data that described temperature-measuring module is used for the correspondence that will obtain according to described temperature measurement signal is sent to MCU; Or, described temperature measurement signal is sent to described MCU so that described MCU obtains corresponding temperature data according to described temperature measurement signal.
Preferably, described Oximetry module comprises that also current-voltage conversion submodule, difference are amplified submodule, bandpass filtering and amplification submodule, submodule and voltage-to-current conversion submodule are amplified in adjusting.
Preferably, described temperature-measuring module also comprises amplification submodule and filtering submodule, wherein, the outfan of noncontacting proximity sensor is connected to the input of described amplification submodule, the outfan of described amplification submodule connects the input of described filtering submodule, and the outfan of described filtering submodule connects the input of described MCU.
Preferably, described temperature-measuring module also comprises voltage follower, and the outfan of described noncontacting proximity sensor is connected by described voltage follower and is connected with the input of described amplification submodule.
Preferably, described temperature-measuring module also comprises voltage stabilizing submodule and A/D conversion circuit, and wherein, the power input of described noncontacting proximity sensor is connected with power supply by described voltage stabilizing submodule; The outfan of described filtering submodule is connected with the input of described MCU by described A/D conversion circuit.
Preferably, described temperature-measuring module also comprises decoupling capacitance, and an end of described decoupling capacitance is connected with the power input of noncontacting proximity sensor, and the other end is connected with the earth terminal of noncontacting proximity sensor; The number of described decoupling capacitance is one; Or the number of described decoupling capacitance is a plurality of, and a plurality of decoupling capacitance is arranged in parallel.
Preferably, the mounting distance between described decoupling capacitance and the described noncontacting proximity sensor is less than the decoupling radius of decoupling capacitance.
Preferably, described noncontacting proximity sensor is infrared sensor, photoelectric probe or infrared thermopile.
Preferably, also comprise input control module and display module, described input control module is connected with button and/or touch screen, is used for realizing the input of operation signal.
Preferably, also comprise prompting module, described prompting module is connected with described MCU, and described prompting module comprises buzzer and buzzer control circuit.
Preferably, also comprise memory module, described memory module is connected with described MCU, and described memory module can be stored data; And/or,
Also comprise wired transport module, described wire transmission module is connected with described MCU, and described wire transmission can detect body temperature measurable blood oxygen measuring device the transfer of data that obtains and can receive the external equipment of data for other; And/or,
Also comprise wireless transport module, described wireless transport module is connected with described MCU, and described wireless transport module can detect body temperature measurable blood oxygen measuring device the transfer of data that obtains and can receive the external equipment of data for other.
The utlity model has following beneficial effect:
In the body temperature measurable blood oxygen measuring device that this utility model embodiment provides, on the one hand, in blood oxygen circuit, increase the temperature-measuring module of measuring temperature by noncontacting proximity sensor, made blood oxygen instrument not only can measure blood oxygen levels, and can also measure temperature value, and the switching of function is very convenient, simple, and this measuring instrument circuit structure compactness has the certainty of measurement height simultaneously, volume is little, easy to carry, simple to operate, advantage such as be quick on the draw.In addition, by between the power end of the noncontacting proximity sensor of temperature-measuring module and earth terminal, inserting a decoupling capacitance, the noise that can suppress the power end of noncontacting proximity sensor, stabilized power source current potential and earth potential, thereby reduce power supply noise to the influence of the measurement result of noncontacting proximity sensor, thereby when guaranteeing the noncontacting proximity sensor operate as normal, improved thermometric precision.
Description of drawings
A kind of blood oxygen that Fig. 1 provides for prior art and the structural representation of temperature measuring set;
The structured flowchart of the body temperature measurable blood oxygen measuring device that Fig. 2 provides for this utility model embodiment;
The operation principle sketch map of the Oximetry module 106 that Fig. 3 provides for this utility model embodiment;
The electrical block diagram that the infrared sensor that Fig. 4 provides for this utility model embodiment is connected with MCU101;
The electrical block diagram that Fig. 5 A and the temperature-measuring module 107 that Fig. 5 B provides for this utility model embodiment are connected with MCU101.
The specific embodiment
For making those skilled in the art understand the technical solution of the utility model better, below in conjunction with accompanying drawing the body temperature measurable blood oxygen measuring device that this utility model provides is described in detail.
See also Fig. 2, it shows the structured flowchart of the body temperature measurable blood oxygen measuring device that this utility model embodiment provides.As shown in Figure 2, this body temperature measurable blood oxygen measuring device comprises MCU(MicroControl Unit, micro-control unit) 101, power management module 102, Oximetry module 106 and temperature-measuring module 107.
Wherein, MCU101 is connected with power management module 102, input control module 103, display module 104, Oximetry module 106 and temperature-measuring module 107 respectively, and MCU101 can control the operation of each module of linking to each other with MCU101.Power management module 102 can be connected with battery, for the whole system of body temperature measurable blood oxygen measuring device provides electric energy.
Preferably, this body temperature measurable blood oxygen measuring device also comprises input control module 103 or the display module 104 that links to each other with MCU101.Wherein, input control module 103 is connected with button and/or touch screen, is used for the input of button operation signal or touch screen operation signal, with the input operation of the outside of finishing for example switching on and shutting down and so on, and perhaps operation such as model selection.Display module 104 can show for example information about power and so on of body temperature measurable blood oxygen measuring device duty, measurement result is shown, also can show the information to user operation and other need content displayed.Display module 104 can be realized by the OLED display screen.
This body temperature measurable blood oxygen measuring device also comprises the prompting module 105 that links to each other with MCU101, it comprises buzzer (BEEP) control circuit 1051 and the buzzer 1052 that is connected with buzzer control circuit 1051, buzzer control circuit 1051 can be controlled buzzer 1052, and buzzer 1052 can vibrate or sound prompting.
Wherein, Oximetry module 106 is used for gathering the Oximetry signal, it comprises luminous tube (LED) 1061 and receiving tube (PD) 1062, wherein luminous tube 1061 is used for to for example measuring object red-emitting and/or the infrared light of finger and so on, receiving tube 1062 is used for receiving the optical signal by measuring object transmission or reflection, and the optical signal that receives is converted into the signal of telecommunication, through after the filter amplifying processing, Oximetry module 106 is sent to MCU101 with the Oximetry signal that obtains, thereby carries out the oximetry data that algorithm process obtains measuring object by the Oximetry signal of MCU101.
See also Fig. 3, it shows the operation principle sketch map of Oximetry module 106, as shown in Figure 3, Oximetry module 106 comprises that also current-voltage conversion submodule (I-V changes submodule) 1063, difference are amplified submodule 1064, bandpass filtering and amplification submodule 1065, submodule 1066 and voltage-to-current conversion submodule (V-I changes submodule) 1067 are amplified in adjusting.The process that Oximetry module 106 is carried out Oximetry comprises: luminous tube 1061 emissions are used for HONGGUANG and the infrared light of measurement, HONGGUANG and the infrared light of luminous tube 1061 emissions are pointed reflection or transmission, receiving tube 1062 receives by HONGGUANG and the infrared light of finger reflection or transmission, the luminous energy of 1062 pairs of receptions of receiving tube carries out opto-electronic conversion, and the current signal of conversion sent to I-V conversion submodule 1063, I-V conversion submodule 1063 is converted to voltage signal with current signal, and with the input of voltage signal as difference amplification submodule 1064, difference is amplified 1064 pairs of signals of submodule and is carried out the difference amplification, and by bandpass filtering and amplify the processing that signal after 1065 pairs of difference of submodule are amplified carries out bandpass filtering and amplification, signal after the processing is regulated processing and amplifying by regulating amplification submodule 1066, regulate processing and amplifying signal afterwards and input to MCU101 and/or peripheral hardware 1011, carry out the algorithm process of analog digital conversion and Oximetry by the signal of MCU101.Wherein, MCU101 and peripheral hardware 1011 can carry out conducting control to luminous tube 1061, the signal that MCU101 and/or peripheral hardware 1011 send is converted to current controling signal by V-I conversion submodule 1067, current controling signal can carry out conducting control to luminous tube 1061, makes luminous tube 1061 alternately send HONGGUANG or infrared light.Receiving tube 1062 can receive by the HONGGUANG of finger reflection or transmission on timesharing ground, the signal that receives carries out after above-mentioned a series of amplification and the Filtering Processing, carry out the algorithm process of Oximetry by MCU101, thereby can carry out the calculating of ratio, blood oxygen saturation and/or pulse frequency value of ratio, the infrared light alternating current-direct current signal of HONGGUANG alternating current-direct current signal in each cycle.Wherein, peripheral hardware 1011 comprised GPIO(General PurposeInput Output, general input output port), TIMER (intervalometer), ADC(A/D the conversion, analog/digital conversion), DAC(D/A conversion, the digital-to-analog conversion), UART(UniversalAsynchronous Receiver Transmitter, UART Universal Asynchronous Receiver Transmitter), JTAG ((JointTest Action Group, the JTAG) module such as, the chip model of MCU101 can be C8051F007, and dominant frequency is set at 11.0592MHZ.A kind of implementation that shows the Oximetry module that present embodiment is exemplary, the Oximetry module also can adopt other implementation.
Among this utility model embodiment, temperature-measuring module 107 is used for gathering the temperature measurement signal of measuring object, and the temperature measurement signal of gathering is sent to MCU101.Wherein, temperature-measuring module 107 comprises noncontacting proximity sensor 1071, and noncontacting proximity sensor 1071 can be infrared sensor, also can be photoelectric sensing unit such as photoelectric probe or infrared thermopile.Noncontacting proximity sensor 1071 is by gathering the infrared ray of measuring object (for example human body forehead) radiation, and convert corresponding analogue signal to, analogue signal can be converted to corresponding temperature measurement signal and be sent to MCU101 through the processing of temperature-measuring module 107, thereby MCU101 can carry out the temperature data that corresponding algorithm process obtains measuring object to temperature measurement signal.
In above-mentioned example, receive the Oximetry signal that the Oximetry module is gathered by MCU101, and the oximetry data of the correspondence that obtains according to the Oximetry signal, in addition, see also Fig. 2, blood oxygen processing sub 1068 can be set in the Oximetry module, and pass through 1068 realizations of blood oxygen processing sub according to the oximetry data of the correspondence of Oximetry signal acquisition, and oximetry data is sent to described MCU101; Equally, in above-mentioned example, receive the temperature measurement signal that temperature-measuring module is gathered by MCU101, and the temperature data of the correspondence that obtains according to temperature measurement signal, in addition, also can realize the temperature data of the correspondence that obtains according to temperature measurement signal by temperature-measuring module, and temperature data is sent to described MCU101.By such setting, can adopt the comparatively simple MCU101 of function in the circuit, can reduce the volume of MCU101, make that the structure of entire circuit is compacter.
Oximetry data among this utility model embodiment can be blood oxygen levels, also can be the data of the processing intermediate steps of Oximetry, and same temperature data can be temperature value, also can be the data of thermometric processing intermediate steps.
Be that infrared sensor is that example describes with noncontacting proximity sensor below.See also Fig. 4, it illustrates the electrical block diagram that infrared sensor is connected with MCU101.Infrared sensor comprises 4 port SDA, SCL, VDD and VSS, wherein, the SDA port of infrared sensor and the SDA port of MCU are connected, and the SDA port of infrared sensor is connected with system power supply VDD-SYM by the first pull-up resistor R1, the SCL port of infrared sensor and the SCL port of MCU101 are connected, and the SCL port of infrared sensor is connected with system power supply VDD-SYM by the second pull-up resistor R2.The vdd terminal mouth of infrared sensor is connected with system power supply VDD-SYM, the VSS port of infrared sensor with systematically be connected.
Also be provided with decoupling capacitance C20 in the temperature-measuring module 107, the end of decoupling capacitance C20 is connected with the power input of infrared sensor, and the other end is connected with the earth terminal of infrared sensor.For the decoupling capacitance C20 that between the power input of infrared sensor and earth terminal, inserts, its effect mainly comprises: decoupling capacitance C20 can suppress power supply noise, stabilized power source current potential and earth potential reduce noise that power supply carries and infrared sensor is constituted disturb and then reduce certainty of measurement, influence the problem of the normal operation of entire circuit.The size of decoupling capacitance C20 determines by the noise size of the parameter of noncontacting proximity sensor and sensor power supply, the size of decoupling capacitance 0.1 μ F preferably in this enforcement.The number of decoupling capacitance can be one, and the number of decoupling capacitance also can be a plurality of, and a plurality of decoupling capacitance is arranged in parallel.In addition, decoupling capacitance preferably be set to and infrared sensor between mounting distance less than the decoupling radius of decoupling capacitance, the distance of decoupling capacitance and infrared sensor is more near more good, thereby reduces loop inductance, guarantees that decoupling capacitance plays one's part to the full in its decoupling radius.
See also Fig. 5 A and Fig. 5 B, the electrical block diagram that the temperature-measuring module 107 that it illustrates this utility model embodiment provides is connected with MCU101.Noncontacting proximity sensor 1071 can be photoelectric sensors such as infrared sensor, photoelectric probe or infrared thermopile in the present embodiment.Shown in Fig. 5 A and Fig. 5 B, temperature-measuring module 107 also comprises voltage stabilizing submodule 1072, voltage follower 1073, amplify submodule 1074, filtering submodule 1075, A/D conversion circuit (A/D change-over circuit) 1076, wherein, voltage stabilizing submodule 1072 is connected with power supply and the outfan of voltage stabilizing submodule 1072 is connected the input of noncontacting proximity sensor 1071, the outfan of noncontacting proximity sensor 1071 connects the input of voltage follower 1073, the outfan of voltage follower 1073 connects the input that amplifies submodule 1074, the outfan that amplifies submodule 1074 connects the input of filtering submodule 1075, the outfan of filtering submodule 1075 connects the input of A/D change-over circuit 1076, and the outfan of A/D change-over circuit 1076 connects the input of MCU101.Wherein, voltage stabilizing submodule 1072, voltage follower 1073 and A/D change-over circuit are module alternatively.
Shown in Fig. 5 B, the voltage of power supply output is through output voltage V CC after the voltage stabilizing submodule 1072, wherein VCC is the required voltage of noncontacting proximity sensor, VCC is through decoupling capacitance C1, C2 offers noncontacting proximity sensor 1071(U1), wherein decoupling capacitance C1 is the power input Vin that an end is connected noncontacting proximity sensor 1071 with C2, the other end connects the earth terminal of noncontacting proximity sensor 1071, noncontacting proximity sensor 1071 is by gathering the infrared ray of measuring object (for example human body forehead) radiation, and convert corresponding analogue signal output to, through voltage follower 1073(U2), to eliminate load variations to the influence of the output signal of noncontacting proximity sensor 1071, because the signal of voltage follower 1073 outputs is very faint, therefore, through amplifying submodule 1074 and filtering submodule 1075, obtain the enough available signals of signal intensity, available signal is imported in the high-precision A/D change-over circuit 1076, and be converted into corresponding digital signal, digital signal reads among the MCU101 by I2C bus form other forms such as (or) SPI, and carry out corresponding algorithm process by MCU101, revise, compensation, thus the temperature that obtains measuring object calculated.By A/D change-over circuit 1076, can reduce the load of MCU101.Based on above-described embodiment in the same or analogous principle of decoupling capacitance C20, decoupling capacitance C1, C2 can suppress the noise on the power supply, stabilized power source current potential and earth potential, with the power supply noise ground of releasing, reduce noise that power supply produces and noncontacting proximity sensor is constituted disturb, by the setting of decoupling capacitance C1 and C2, can improve certainty of measurement, guarantee the normal operation of entire circuit.
See also Fig. 2, preferably, the body temperature measurable blood oxygen measuring device that this utility model embodiment provides also comprises memory module 108, and memory module 108 is connected with MCU101, and described memory module can be stored the data from MCU101.
See also Fig. 2, preferably, the body temperature measurable blood oxygen measuring device that this utility model embodiment provides can arrange wired transport module 1091, wire transmission module 1091 is connected with MCU101, and wire transmission can detect body temperature measurable blood oxygen measuring device the transfer of data that obtains and can receive the external equipment of data for other.In addition, wireless transport module 1092 can also be set, wireless transport module 1091 is connected with MCU101, and wireless transport module 1091 can detect body temperature measurable blood oxygen measuring device the transfer of data that obtains and can receive the external equipment of data for other.Wherein, data can be oximetry data or the temperature datas that measures, and with the oximetry data that measures or temperature data time information corresponding, other can receive data external equipment can but to be not limited to be personal computer, panel computer, communication equipment or radio receiver etc.
In the body temperature measurable blood oxygen measuring device that this utility model embodiment provides, on the one hand, in blood oxygen circuit, increase the temperature-measuring module of measuring temperature by noncontacting proximity sensor, made blood oxygen instrument not only can measure blood oxygen levels, and can also measure temperature value, and the easy switching of function, simple, this measuring instrument circuit structure compactness has the certainty of measurement height simultaneously, volume is little, easy to carry, simple to operate, advantage such as be quick on the draw.In addition, by between the power end of the noncontacting proximity sensor of temperature-measuring module and ground end, inserting a decoupling capacitance, can avoid the noise of power end of noncontacting proximity sensor to the influence of the measurement result of noncontacting proximity sensor, suppress the noise on the power supply, stabilized power source current potential and earth potential, thereby when guaranteeing the noncontacting proximity sensor operate as normal, improved thermometric precision.
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 thereto.For those skilled in the art, under 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 (11)
1. a body temperature measurable blood oxygen measuring device is characterized in that, comprising: micro-control unit MCU, power management module, Oximetry module and temperature-measuring module; Wherein,
Described MCU is connected with described power management module, described Oximetry module and described temperature-measuring module respectively, and described MCU can control the operation of each module of linking to each other with MCU;
Described power management module provides electric energy for the whole system of body temperature measurable blood oxygen measuring device;
Described Oximetry module comprises luminous tube and receiving tube, is used for gathering the Oximetry signal of measuring object,
The oximetry data of the correspondence that described Oximetry module will obtain according to described Oximetry signal sends to described MCU; Or, described Oximetry signal sent to described MCU so that the oximetry data of the correspondence that described MCU obtains according to the Oximetry signal;
Described temperature-measuring module comprises noncontacting proximity sensor, is used for gathering the temperature measurement signal of measuring object;
The temperature data that described temperature-measuring module is used for the correspondence that will obtain according to described temperature measurement signal is sent to MCU; Or, described temperature measurement signal is sent to described MCU so that described MCU obtains corresponding temperature data according to described temperature measurement signal.
2. body temperature measurable blood oxygen measuring device according to claim 1, it is characterized in that described Oximetry module comprises that also current-voltage conversion submodule, difference are amplified submodule, bandpass filtering and amplification submodule, submodule and voltage-to-current conversion submodule are amplified in adjusting.
3. body temperature measurable blood oxygen measuring device according to claim 1, it is characterized in that, described temperature-measuring module also comprises amplification submodule and filtering submodule, wherein, the outfan of noncontacting proximity sensor is connected to the input of described amplification submodule, the outfan of described amplification submodule connects the input of described filtering submodule, and the outfan of described filtering submodule connects the input of described MCU.
4. body temperature measurable blood oxygen measuring device according to claim 3, it is characterized in that, described temperature-measuring module also comprises voltage follower, and the outfan of described noncontacting proximity sensor is connected by described voltage follower and is connected with the input of described amplification submodule.
5. body temperature measurable blood oxygen measuring device according to claim 4 is characterized in that, described temperature-measuring module also comprises voltage stabilizing submodule and A/D conversion circuit, wherein,
The power input of described noncontacting proximity sensor is connected with power supply by described voltage stabilizing submodule; The outfan of described filtering submodule is connected with the input of described MCU by described A/D conversion circuit.
6. body temperature measurable blood oxygen measuring device according to claim 1, it is characterized in that, described temperature-measuring module also comprises decoupling capacitance, and an end of described decoupling capacitance is connected with the power input of noncontacting proximity sensor, and the other end is connected with the earth terminal of noncontacting proximity sensor;
The number of described decoupling capacitance is one; Or the number of described decoupling capacitance is a plurality of, and a plurality of decoupling capacitance is arranged in parallel.
7. body temperature measurable blood oxygen measuring device according to claim 6 is characterized in that, the mounting distance between described decoupling capacitance and the described noncontacting proximity sensor is less than the decoupling radius of decoupling capacitance.
8. body temperature measurable blood oxygen measuring device according to claim 1 is characterized in that, described noncontacting proximity sensor is infrared sensor, photoelectric probe or infrared thermopile.
9. according to each described body temperature measurable blood oxygen measuring device in the claim 1 to 8, it is characterized in that also comprise input control module and display module, described input control module is connected with button and/or touch screen, be used for realizing the input of operation signal.
10. according to each described body temperature measurable blood oxygen measuring device in the claim 1 to 8, it is characterized in that also comprise prompting module, described prompting module is connected with described MCU, described prompting module comprises buzzer and buzzer control circuit.
11. according to each described body temperature measurable blood oxygen measuring device in the claim 1 to 8, it is characterized in that,
Also comprise memory module, described memory module is connected with described MCU, and described memory module can be stored data; And/or,
Also comprise wired transport module, described wire transmission module is connected with described MCU, and described wire transmission can detect body temperature measurable blood oxygen measuring device the transfer of data that obtains and can receive the external equipment of data for other; And/or,
Also comprise wireless transport module, described wireless transport module is connected with described MCU, and described wireless transport module can detect body temperature measurable blood oxygen measuring device the transfer of data that obtains and can receive the external equipment of data for other.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220579383 CN203138500U (en) | 2012-11-05 | 2012-11-05 | Blood oxygen measuring instrument capable of measuring body temperature |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220579383 CN203138500U (en) | 2012-11-05 | 2012-11-05 | Blood oxygen measuring instrument capable of measuring body temperature |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102908151A (en) * | 2012-11-05 | 2013-02-06 | 北京超思电子技术股份有限公司 | Blood oxygen measuring instrument capable of measuring body temperature |
| CN104306004A (en) * | 2014-10-13 | 2015-01-28 | 成都艾克尔特医疗科技有限公司 | Oximetry front-end direct-current filtering circuit applicable to smart band and adjustment method |
-
2012
- 2012-11-05 CN CN 201220579383 patent/CN203138500U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102908151A (en) * | 2012-11-05 | 2013-02-06 | 北京超思电子技术股份有限公司 | Blood oxygen measuring instrument capable of measuring body temperature |
| CN104306004A (en) * | 2014-10-13 | 2015-01-28 | 成都艾克尔特医疗科技有限公司 | Oximetry front-end direct-current filtering circuit applicable to smart band and adjustment method |
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