CN210228125U - Novel pulse detection module - Google Patents
Novel pulse detection module Download PDFInfo
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- CN210228125U CN210228125U CN201920709512.3U CN201920709512U CN210228125U CN 210228125 U CN210228125 U CN 210228125U CN 201920709512 U CN201920709512 U CN 201920709512U CN 210228125 U CN210228125 U CN 210228125U
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- control chip
- pulse detection
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Abstract
The utility model provides a novel pulse detection module, which comprises a circuit board and a pulse detection component integrated on the circuit board, wherein the pulse detection component comprises a main control chip and a pulse acquisition unit connected with the main control chip, and the pulse acquisition unit is used for acquiring human pulse information; the upper surface of the circuit board is also provided with a circle of touch capacitors, and the touch capacitors are annularly arranged at the edge of the circuit board; the touch capacitor is connected with the main control chip. Novel pulse detection module adopted highly integrated's circuit design, not only small, it is high to detect the precision moreover, be convenient for with other equipment aggregate erection to pulse detection module has adopted annular touch electric capacity design, realization pulse detection module's that can be quick start and shutdown.
Description
Technical Field
The utility model belongs to the technical field of the health monitoring equipment, especially, relate to a novel pulse detection module.
Background
Most of the existing pulse detection modules are large in size, low in integration degree, and very inconvenient to carry or install on other equipment, and along with improvement of living standard of people, the pulse detection device which is high in integration degree, small in size and convenient to operate is the main development direction in the future.
Disclosure of Invention
In view of this, the present invention is directed to a novel pulse detection module to solve the problems of the existing pulse detection module, such as large volume and low integration degree.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a novel pulse detection module comprises a circuit board and a pulse detection assembly integrated on the circuit board, wherein the pulse detection assembly comprises a main control chip and a pulse acquisition unit connected with the main control chip, and the pulse acquisition unit is used for acquiring human pulse information;
the upper surface of the circuit board is also provided with a circle of touch capacitors, and the touch capacitors are annularly arranged at the edge of the circuit board;
the touch capacitor is connected with the main control chip.
Furthermore, the circuit board is oval, and a limiting opening is formed in the end portion of the circuit board and used for preventing the circuit board from being reversely mounted on other equipment.
Furthermore, the touch capacitor is a copper conductor, and an inner concave opening corresponding to the limiting opening is also formed in one end of the touch capacitor.
Furthermore, a plurality of grooves are formed in the upper surface of the touch capacitor, and the grooves are used for placing insulating connecting plates of the external shell.
Furthermore, the pulse acquisition unit comprises a driving circuit, a voltage-stabilizing power supply circuit and a light-emitting component, the light-emitting component comprises a red light LED and an infrared LED, one end of the driving circuit is connected with the red light LED and the infrared LED, the other end of the driving circuit is connected with a main control chip, one end of the voltage-stabilizing power supply circuit is connected with the main control chip, the other end of the voltage-stabilizing power supply circuit is connected with the red light LED and the infrared LED, and the voltage-stabilizing power supply circuit is used for providing 2.85V voltage for the red.
Further, the pulse acquisition unit further comprises a photosensitive assembly, the photosensitive assembly comprises a photodiode and a resistor, the resistor is connected with the photodiode in parallel, and two ends of the photodiode are connected with the main control chip.
Furthermore, the model of the main control chip is JFC101, and the touch capacitor is connected to the pin 6 of the main control chip.
Compared with the prior art, novel pulse detection module have following advantage:
novel pulse detection module adopted highly integrated's circuit design, not only small, it is high to detect the precision moreover, be convenient for with other equipment aggregate erection to pulse detection module has adopted annular touch electric capacity design, realization pulse detection module's that can be quick start and shutdown.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a top structure view of a circuit board according to an embodiment of the present invention;
fig. 2 is a diagram illustrating a touch capacitor structure according to an embodiment of the present invention;
fig. 3 is a diagram illustrating an installation structure of the circuit board and the external housing according to an embodiment of the present invention;
fig. 4 is a circuit diagram of a main control chip according to an embodiment of the present invention;
fig. 5 is a circuit diagram of a red LED and an infrared LED according to an embodiment of the present invention;
fig. 6 is a power supply circuit diagram according to an embodiment of the present invention.
Description of reference numerals:
1. a photosensitive assembly; 2. a light emitting assembly; 3. a limiting port; 4. a touch capacitance; 41. a groove; 42. an inner recess; 5. an outer housing; 51. a connecting plate.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
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 by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1, a novel pulse detection module includes a circuit board and a pulse detection component integrated on the circuit board, wherein the pulse detection component includes a main control chip and a pulse acquisition unit connected to the main control chip, and the pulse acquisition unit is used for acquiring pulse information of a human body;
the upper surface of the circuit board is also provided with a circle of touch capacitors 4, and the touch capacitors 4 are annularly arranged at the edge of the circuit board; the touch capacitor 4 plays a role of a touch switch, and only touch control is needed when the touch switch is used, so that the on-off operation is very convenient.
The touch capacitor 4 is connected with the main control chip.
The circuit board is oval, and the tip position of circuit board is equipped with a spacing mouth 3 for prevent to install the circuit board of other equipment and adorn instead. For example, when the circuit board is installed in cooperation with an external shell, the circuit board is easily reversely installed, the limiting port 3 is designed on the circuit board, the limiting column corresponding to the limiting port 3 is arranged in the shell, and only the limiting port 3 of the circuit board can be installed when corresponding to the limiting column during installation, so that the circuit board is effectively prevented from being reversely installed.
The touch capacitor 4 is a copper conductor, and an inner notch 42 corresponding to the limiting opening 3 is also formed in one end of the touch capacitor 4, so that the circuit board is effectively prevented from being reversely mounted.
The touch capacitor 4 is provided with a plurality of grooves 41, and the grooves 41 are used for placing the insulating connecting plate 51 of the outer shell 5. The connection board 51 can connect the inner case of the touch capacitor 4, and the touch capacitor 4 exposed on the upper surface of the outer case 5 functions as a touch switch.
As shown in fig. 4 and 5, the pulse collecting unit includes a driving circuit, a voltage-stabilizing power supply circuit, and a light emitting component 2, the light emitting component 2 includes a red light LED and an infrared LED, one end of the driving circuit is connected to the red light LED and the infrared LED, the other end of the driving circuit is connected to the main control chip, one end of the voltage-stabilizing power supply circuit is connected to the main control chip, the other end of the voltage-stabilizing power supply circuit is connected to the red light LED and the infrared LED, and the voltage-stabilizing power supply circuit is used for providing 2.85V voltage for. The voltage-stabilizing power supply circuit comprises an SGM2036.285 voltage stabilizer, wherein a VCC _285 end of the voltage stabilizer is connected with voltage input ends of the red light LED and the infrared LED; and the SGM _ EN pin of the voltage stabilizer is connected with the 22 pin of the main control chip.
The driving circuit is an MOS constant current driving circuit, and the driving circuits of the red light LED and the infrared LED are respectively connected with 17 and 18 pins of the main control chip.
As shown in fig. 4 and 6, the pulse collecting unit further includes a photosensitive assembly 1, the photosensitive assembly 1 includes a photodiode and a resistor, the resistor is connected in parallel with the photodiode, and two ends of the photodiode are connected to the main control chip. Pins 12 and 13 of the main control chip are ADC acquisition pins, the photodiode is used for converting an optical signal into an electrical signal, the anode end of the photodiode is connected with the pin 13 of the main control chip, and the cathode end of the photodiode is connected with the pin 12 of the main control chip.
As shown in fig. 4, the model of the main control chip is JFC101, and the touch capacitor 4 is connected to the pin 6 of the main control chip.
The working principle is as follows:
after the external power supply is powered on, the pulse detection module waits for receiving a serial port instruction sent by a host, or manually controls the touch capacitor 4 switch to control the pulse detection module to start working. The main control chip controls the MOS constant current driver to alternately control the red light and the infrared light to illuminate by using the internal operational amplifier; red light and infrared light alternately irradiate human skin; the flow of blood modulates the reflected light so that the reflected light carries information about the pulse fluctuations. This information is converted to a voltage by the photodiode circuit and collected by the ADC inside the chip. The main control chip processes the collected signals, calculates physiological indexes such as heart rate, blood oxygen and the like, and transmits data waveforms to the host through the UART interface.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A novel pulse detection module is characterized in that: the pulse detection assembly comprises a main control chip and a pulse acquisition unit connected with the main control chip, and the pulse acquisition unit is used for acquiring human pulse information;
the upper surface of the circuit board is also provided with a circle of touch capacitors (4), and the touch capacitors (4) are annularly arranged at the edge of the circuit board;
the touch capacitor (4) is connected with the main control chip.
2. The novel pulse detection module of claim 1, wherein: the circuit board is oval, and the tip position of circuit board is equipped with a spacing mouth (3) for prevent to install the circuit board of other equipment and install instead.
3. The novel pulse detection module of claim 2, wherein: the touch capacitor (4) is a copper conductor, and an inner notch (42) corresponding to the limiting opening (3) is also formed in one end of the touch capacitor (4).
4. The novel pulse detection module of any one of claims 1-3, wherein: the upper surface of the touch capacitor (4) is provided with a plurality of grooves (41), and the grooves (41) are used for placing insulating connecting plates (51) of the outer shell (5).
5. The novel pulse detection module of claim 1, wherein: the pulse acquisition unit comprises a driving circuit, a voltage-stabilizing power supply circuit and a light-emitting component (2), wherein the light-emitting component (2) comprises a red light LED and an infrared LED, one end of the driving circuit is connected with the red light LED and the infrared LED, the other end of the driving circuit is connected with a main control chip, one end of the voltage-stabilizing power supply circuit is connected with the main control chip, the other end of the voltage-stabilizing power supply circuit is connected with the red light LED and the infrared LED, and the voltage-stabilizing power supply circuit is used for providing 2.85V voltage.
6. The novel pulse detection module of claim 5, wherein: the pulse acquisition unit further comprises a photosensitive assembly (1), the photosensitive assembly (1) comprises a photodiode and a resistor, the resistor is connected with the photodiode in parallel, and two ends of the photodiode are connected with a main control chip.
7. The novel pulse detection module of claim 1, wherein: the type of the main control chip is JFC101, and the touch capacitor (4) is connected with a pin 6 of the main control chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920709512.3U CN210228125U (en) | 2019-05-17 | 2019-05-17 | Novel pulse detection module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920709512.3U CN210228125U (en) | 2019-05-17 | 2019-05-17 | Novel pulse detection module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210228125U true CN210228125U (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920709512.3U Active CN210228125U (en) | 2019-05-17 | 2019-05-17 | Novel pulse detection module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210228125U (en) |
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2019
- 2019-05-17 CN CN201920709512.3U patent/CN210228125U/en active Active
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