CN211355491U - Blood oxygen and blood pressure measuring device and monitor - Google Patents
Blood oxygen and blood pressure measuring device and monitor Download PDFInfo
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- CN211355491U CN211355491U CN201921089379.2U CN201921089379U CN211355491U CN 211355491 U CN211355491 U CN 211355491U CN 201921089379 U CN201921089379 U CN 201921089379U CN 211355491 U CN211355491 U CN 211355491U
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Abstract
The utility model discloses a blood oxygen and blood pressure measuring device and monitor, blood oxygen and blood pressure measuring device, include: the main micro-control module is used for calculating the measurement results of blood oxygen and blood pressure and sending a blood oxygen digital driving signal; one end of the auxiliary micro-control module is connected with the main micro-control module and is used for realizing blood pressure protection and converting the blood oxygen digital driving signal into a blood oxygen analog driving signal; the oxygen drive circuit, blood oxygen drive circuit's one end is connected with the other end of assisting little control module, and blood oxygen probe, blood oxygen drive circuit's the other end and the blood oxygen probe connection of blood oxygen drive circuit, blood oxygen drive circuit drive blood oxygen probe work according to blood oxygen simulation drive signal. The auxiliary micro control module can be effectively and fully utilized by connecting the digital-analog converter on the auxiliary micro control module with the blood oxygen driving circuit, and the problem that the blood oxygen and blood pressure measuring device in the prior art is high in production and manufacturing cost and causes resource waste is solved.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to a blood oxygen and blood pressure measuring device and monitor for detecting human pulse oxyhemoglobin saturation and blood pressure isoparametric.
Background
The blood oxygen and blood pressure measuring device is used for detecting parameters such as pulse blood oxygen saturation and blood pressure of a human body, and the parameters such as the pulse blood oxygen saturation and the blood pressure are combined to form multi-parameter monitoring to detect the physiological state of the human body. The noninvasive blood oxygen and blood pressure measuring device is used for measuring the pulse blood oxygen saturation of a human body and has the advantages of being noninvasive, simple and capable of being continuously monitored. The measurement principle of the technology is that a sensor is arranged at a detection part, such as a finger, a forehead, an earlobe, a toe and the like, the surface of the skin is vertically irradiated by light with two different wavelengths, such as red light and infrared light, the light is absorbed by blood and tissues and changes along with pulsation, and the blood oxygen saturation is calculated through the change of transmitted or reflected light intensity received by a non-invasive blood oxygen and blood pressure measuring device.
In order to meet the requirement of standard single fault, a blood pressure measuring mechanism of the blood oxygen and blood pressure measuring device in the prior art needs to be realized by two micro control units, a main micro control module is used for collecting signals of a main pressure circuit and processing main data, and the performance requirement of the main micro control module is higher and the cost is higher due to the fact that a large amount of data needs to be processed. The auxiliary micro control module is used for collecting auxiliary voltage circuit signals, the blood pressure protection function is achieved, and a large amount of data do not need to be processed, so that the performance requirement of the auxiliary micro control module is low, and the cost is low. How to fully utilize system resources and reduce cost, and how to combine the micro control unit resources used by the blood oxygen and blood pressure measuring device into the main micro control module to simultaneously process the main data of blood oxygen and blood pressure is a technical problem to be solved by the people in the field.
Disclosure of Invention
Therefore, the utility model aims at providing a blood oxygen and blood pressure measuring device and monitor to its production cost of manufacture who solves blood oxygen and blood pressure measuring device among the prior art is high, leads to the problem of wasting of resources. Therefore, the utility model provides a blood oxygen and blood pressure measuring device for detect pulse oxyhemoglobin saturation and blood pressure, it includes: the main micro-control module is used for calculating the measurement results of blood oxygen and blood pressure and sending a blood oxygen digital driving signal; one end of the auxiliary micro-control module is connected with the main micro-control module and is used for realizing blood pressure protection and converting the blood oxygen digital driving signal into a blood oxygen analog driving signal; blood oxygen drive circuit, blood oxygen drive circuit's one end with assist the other end of little control module and be connected, blood oxygen probe, blood oxygen drive circuit's the other end with blood oxygen probe connection, blood oxygen drive circuit basis blood oxygen simulation drive signal drive blood oxygen probe work.
Wherein, a luminotron is arranged on the blood oxygen probe, and the luminotron is connected with the other end of the blood oxygen drive circuit.
Wherein the driving circuit includes: a digital-to-analog converter; the digital-to-analog converter is connected with one end of the blood oxygen driving circuit and is used for converting the blood oxygen digital driving signal into a blood oxygen analog driving signal so as to control the intensity of the driving current of the light emitting tube.
The blood oxygen probe is also provided with a receiving tube for converting an optical signal sensed by the blood oxygen probe into a current signal, the receiving tube is connected with the main micro control module, and the main micro control module judges the magnitude of a driving current for driving the light-emitting tube to emit light according to the current signal.
Wherein, blood oxygen blood pressure measuring device still includes: the blood oxygen receiving circuit is arranged between the blood oxygen probe and the main micro-control module circuit and is used for converting the current signal into an analog voltage signal.
Wherein, blood oxygen blood pressure measuring device still includes: and the analog-digital converter is arranged between the main micro control module and the blood oxygen receiving circuit and is used for converting the analog voltage signal into a digital voltage signal and sending the digital voltage signal to the main micro control module.
The luminotron comprises a luminous source for emitting two kinds of light with different wavelengths towards the part to be detected.
Wherein the receiving tube is used for receiving the light transmitted and/or reflected by the part to be detected.
The utility model also provides a monitor, which comprises the blood oxygen and blood pressure measuring device; the device comprises a body temperature detection module for detecting body temperature, and/or a breath detection module for detecting breath, and/or an electrocardio detection module for detecting electrocardiosignals.
The utility model discloses a digital analog converter that the performance is better to be changed into to the digital analog converter on the little control module of will assisting comes to be connected with blood oxygen drive circuit, in order to replace traditional main little control module and blood oxygen drive circuit to be connected, owing to assist little control module, do not need higher data processing ability, and only with the digital analog converter that the selection performance is better and the cost is lower can make whole blood oxygen blood pressure measuring device realize the data processing of blood oxygen and blood pressure (above-mentioned work is accomplished by main little control module) and the work of drive blood oxygen probe (above-mentioned work is accomplished by assisting little control module), on the one hand can make full use of system resources, on the other hand, can be with lower cost, realize above-mentioned function.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the driving process of the blood oxygen and blood pressure measuring device of the present invention;
fig. 2 is a schematic view of the blood oxygen and blood pressure measuring device according to the present invention.
Description of reference numerals:
1-an auxiliary micro-control module; 2-a main micro control module; a 3-digital-to-analog converter; 4-a blood oxygen probe; 5-a light-emitting tube; 6-a receiving tube; 7-a blood oxygen driving circuit; 8-a blood oxygen receiving circuit; 9-analog-to-digital converter.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
The present embodiment provides an oximetry device, as shown in fig. 2, including:
the blood oxygen probe 4 is used for detecting relevant data of blood oxygen, a light emitting tube 5 and a receiving tube 6 are arranged on the blood oxygen probe, the light emitting tube 5 emits light with two different wavelengths, red light and infrared light vertically irradiate the surface of the skin, the light intensity is absorbed by blood and tissues and changes along with pulsation, and the receiving tube 6 receives the transmitted or reflected light intensity so as to calculate the blood oxygen saturation; by the mutual matching of the two luminous sources with different wavelengths, the blood oxygen data can be more accurately detected compared with single wavelength light; the blood oxygen data is the blood oxygen saturation, and the hemoglobin concentration and the blood oxygen saturation are calculated by measuring the light transmission intensity passing through the tissue bed by using light with different wavelengths as incident light sources.
The main micro-control module 2 is responsible for data processing, calculating a blood oxygen measurement result, controlling the whole blood oxygen system to work coordinately, and simultaneously sending a blood oxygen digital driving signal to the auxiliary micro-control module 1 through a communication interface, wherein the main micro-control module 2 is electrically connected with the blood oxygen probe 4, collects and processes the related data of blood oxygen and blood pressure measured by the blood oxygen probe 4, and calculates the values of blood oxygen saturation and blood pressure;
the blood oxygen blood pressure measuring device comprises an auxiliary micro-control module 1, wherein the auxiliary micro-control module 1 is connected with a main micro-control module 2 of the blood oxygen blood pressure measuring device and acquires an auxiliary voltage circuit signal so as to realize the blood pressure protection function, and the auxiliary micro-control module 1 comprises a digital-to-analog converter 3 which is used for converting a blood oxygen digital driving signal sent by the main micro-control module 2 into a blood oxygen analog driving signal; digital-to-analog converter 3 links to each other with blood oxygen drive circuit 7 for receive assist micro control module 1's blood oxygen analog drive signal, and then control the switch of luminotron 5 and drive current's intensity, blood oxygen drive circuit 7's the other end with blood oxygen probe 4 is connected, blood oxygen probe 4 receives blood oxygen analog drive signal and work.
Because the main micro-control module 2 mainly focuses on data processing capability, and the performance of a digital-to-analog converter carried by the main micro-control module 2 is generally poor in order to seek higher performance-to-price ratio, the main micro-control module 2 can only complete the data processing of blood oxygen and blood pressure and cannot be competent for controlling the work of a blood oxygen driving circuit (the blood oxygen driving circuit has higher requirement on the performance of the digital-to-analog converter); if a main micro control module with good data processing capability and excellent digital-to-analog conversion performance is selected, the price is very high, which causes the problem of resource waste due to high production and manufacturing cost of the blood oxygen and blood pressure measuring device.
The utility model discloses a to assist the digital analog converter 3 configuration on the little control module 1 to come to be connected with blood oxygen drive circuit for the better digital analog converter of performance, in order to replace traditional main little control module and blood oxygen drive circuit to be connected, because assist little control module and only be used for realizing blood pressure protection, do not need higher data processing ability, consequently only can make whole blood oxygen blood pressure measuring device realize the data processing of blood oxygen and blood pressure (main little control module 2 accomplishes) with the better and lower digital analog converter 3 of cost of selective performance, the protection of blood pressure (assist little control module 1 to accomplish) and the work of drive blood oxygen probe (assist little control module 1 to accomplish), on the one hand can make full use of system resource, on the other hand, can be with lower cost, realize above-mentioned function.
The receiving tube 6 converts the sensed optical signal into a current signal, the blood oxygen receiving circuit 8 converts the current signal into a voltage signal, the analog-digital converter 9 converts the voltage signal into a digital signal, and the digital signal is sent to the main micro control module 2; the main micro control module 2 judges whether the driving current for driving the luminotron 5 to emit light is correct according to the digital signal, if the driving current is not proper, the main micro control module 2 can drive the luminotron 5 to emit light again through the auxiliary micro control module 1 until the driving current is proper so as to obtain accurate blood oxygen saturation data, and the detection accuracy of the blood oxygen and blood pressure measuring device is effectively improved.
In this embodiment, the receiving tube 6 is connected to the main micro control module 2, and the main micro control module 2 determines the driving current for driving the light emitting tube 5 to emit light according to the current signal. The main micro control module 2 processes the blood oxygen signal sent by the analog-digital converter 9 after receiving the blood oxygen signal, and judges whether the current sent driving current is proper or not according to the signal; if the driving current is proper, the main micro control module 2 outputs the blood oxygen calculation result, and if the driving current is not proper, the driving current is readjusted until the driving current is proper and the blood oxygen measurement result can be calculated. The judgment criterion of whether the driving current is proper or not is as follows: whether the light source emitted from the light emitting tube 5 can effectively detect the pulse blood oxygen saturation of the human body. The receiving tube 6 and the luminous tube 5 are mutually matched, and the main micro-control module 2 can effectively judge whether the luminous driving current of the luminous tube 5 is correct or not in real time, if the driving current is not proper, the main micro-control module 2 can re-drive the luminous tube 5 to emit light through the auxiliary micro-control module 1 so as to adjust the light source intensity until the driving current is proper, and the proper incident light source intensity is obtained, so that the accurate blood oxygen saturation data is obtained, and the detection accuracy of the blood oxygen and blood pressure measuring device is effectively improved;
the utility model also provides a monitor, it includes: blood oxygen and blood pressure measuring device and be used for detecting body temperature detection module, the breathing detection module that is used for detecting breathing and the electrocardio detection module that is used for detecting electrocardiosignal of body temperature. The monitor can have more functions through the detection modules with multiple functions, and the product competitiveness is improved.
As shown in fig. 1, the blood oxygen pressure measuring device of the present embodiment comprises the following steps:
s1, after the system is initialized, the main micro control module 2 sends a blood oxygen digital driving signal to the auxiliary micro control module 1;
s2, the auxiliary micro control module 1 sends the blood oxygen digital driving signal to its own digital-to-analog converter 3 after receiving the blood oxygen digital driving signal sent by the main micro control module 2, and the digital-to-analog converter 3 converts the blood oxygen digital driving signal sent by the main micro control module 2 into a blood oxygen analog driving signal for output;
s3, after receiving the blood oxygen simulation driving signal sent by the auxiliary micro control module 1, the driving circuit controls the light emitting tube 5 to emit light through the blood oxygen driving circuit 7;
s4, the receiving tube 6 senses the light of the light emitting tube 5 and then generates a corresponding current signal, the current signal is processed by the receiving circuit and then sent to the analog-to-digital converter 9, the receiving tube 6 converts the sensed light signal into a current signal, the blood oxygen receiving circuit 8 converts the current signal into a voltage signal, the analog-to-digital converter 9 converts the voltage signal into a digital signal, and the digital signal is sent to the main micro control module 2;
s5, after receiving the blood oxygen digital signal sent by the analog-digital converter 9, the main micro control module 2 performs relevant processing on the blood oxygen digital signal, and judges whether the current driving current for driving the light-emitting tube 5 to emit light is correct or not according to the signal;
s6-1, if the main micro control module 2 judges that the blood oxygen driving current is appropriate through the received blood oxygen digital signal, outputting a blood oxygen calculation result according to the blood oxygen digital signal;
s6-2, if the main micro control module 2 determines that the blood oxygen driving current is not suitable according to the received blood oxygen digital signal, the blood oxygen driving current needs to be readjusted, the main micro control module 2 sends a new blood oxygen digital driving signal to the auxiliary micro control module 1, the auxiliary micro control module 1 converts the blood oxygen digital driving signal into a blood oxygen analog driving signal, and outputs the blood oxygen analog driving signal to the blood oxygen driving circuit 7, so as to circulate until the blood oxygen driving current is suitable, and the blood oxygen measurement result is calculated. The blood oxygen driving signal is a digital signal for controlling the light emitting tube 5 to emit light and the intensity of the light source. The above-mentioned blood oxygen digital driving signal is a digital signal for controlling the light emitting tube 5 to emit light and the intensity of the light source. The blood oxygen analog driving signal is an analog signal for controlling the light emitting tube 5 to emit light and the intensity of the light source.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (9)
1. An oximetry device, comprising:
the main micro-control module (2) is used for calculating the measurement results of blood oxygen and blood pressure and sending a blood oxygen digital driving signal;
one end of the auxiliary micro-control module (1) is connected with the main micro-control module (2) and is used for realizing blood pressure protection and converting the blood oxygen digital driving signal into a blood oxygen analog driving signal;
a blood oxygen driving circuit (7), wherein one end of the blood oxygen driving circuit (7) is connected with the other end of the auxiliary micro-control module,
blood oxygen probe (4), the other end of blood oxygen drive circuit (7) with blood oxygen probe (4) are connected, blood oxygen drive circuit (7) are according to blood oxygen simulation drive signal drive blood oxygen probe (4) work.
2. The blood oxygen and blood pressure measuring device according to claim 1, wherein a light emitting tube is arranged on the blood oxygen probe (4), and the light emitting tube is connected with the other end of the blood oxygen driving circuit (7).
3. The blood oximetry device of claim 2, wherein the drive circuit includes: a digital-to-analog converter (3);
the digital-to-analog converter (3) is connected with one end of the blood oxygen driving circuit (7) and is used for converting the blood oxygen digital driving signal into a blood oxygen analog driving signal so as to control the intensity of the light emitting tube driving current.
4. The blood oxygen and blood pressure measuring device according to claim 2, wherein the blood oxygen probe (4) is further provided with a receiving tube (6) for converting the light signal sensed by the blood oxygen probe into the current signal,
the receiving tube (6) is connected with the main micro-control module (2), and the main micro-control module (2) judges the magnitude of the driving current for driving the light-emitting tube (5) to emit light according to the current signal.
5. The blood oximetry device of claim 4, further comprising: the blood oxygen receiving circuit (8) is arranged between the blood oxygen probe (4) and the main micro-control module (2) circuit and is used for converting the current signal into an analog voltage signal.
6. The blood oximetry device of claim 5, further comprising: an analog-to-digital converter (9), wherein the analog-to-digital converter (9) is arranged between the main micro control module (2) and the blood oxygen receiving circuit (8),
the voltage converter is used for converting the analog voltage signal into a digital voltage signal and sending the digital voltage signal to the main micro control module (2).
7. The oximetry device according to claim 4, characterized in that the light emitting tube (5) comprises light emitting sources for emitting light of two different wavelengths towards the site to be detected.
8. The oximetry device according to claim 7, wherein the receiving tube (6) is adapted to receive light transmitted and/or reflected through the site to be examined.
9. A monitor comprising the blood oximetry device of any one of claims 1 to 8;
a body temperature detection module for detecting the body temperature,
and/or a breath detection module for detecting breathing,
and/or an electrocardio detection module for detecting electrocardiosignals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921089379.2U CN211355491U (en) | 2019-07-11 | 2019-07-11 | Blood oxygen and blood pressure measuring device and monitor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921089379.2U CN211355491U (en) | 2019-07-11 | 2019-07-11 | Blood oxygen and blood pressure measuring device and monitor |
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| Publication Number | Publication Date |
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| CN211355491U true CN211355491U (en) | 2020-08-28 |
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| CN201921089379.2U Active CN211355491U (en) | 2019-07-11 | 2019-07-11 | Blood oxygen and blood pressure measuring device and monitor |
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| CN (1) | CN211355491U (en) |
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