CN216394046U - Heart rate sensor for intelligent wearing - Google Patents
Heart rate sensor for intelligent wearing Download PDFInfo
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- CN216394046U CN216394046U CN202122704655.5U CN202122704655U CN216394046U CN 216394046 U CN216394046 U CN 216394046U CN 202122704655 U CN202122704655 U CN 202122704655U CN 216394046 U CN216394046 U CN 216394046U
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Abstract
The utility model discloses an intelligent wearable heart rate sensor which is used for detecting the heart rate of a user in real time and comprises a wearable module and a heart rate detection module arranged on the wearable module, wherein one end of the wearable module is provided with a fixed hole, the other end of the wearable module penetrates through the fixed hole to be fixed, and the heart rate detection module comprises a detection circuit, an anti-interference circuit and an adjusting circuit. According to the heart rate sensor for intelligent wearing, disclosed by the utility model, the heart rate detection module is arranged on the wearing module, so that the function of detecting the heart rate at any time is achieved, the heart rate data collected by the detection circuit is subjected to filtering high-frequency interference and light interference through the anti-interference circuit and then is subjected to amplification processing through the adjusting circuit, so that pulses synchronous with actual pulse beating are output, accurate heart rate data are detected and finally displayed through the display circuit.
Description
Technical Field
The utility model belongs to the technical field of heart rate sensors, and particularly relates to a heart rate sensor for intelligent wearing.
Background
Along with the development of science and technology, intelligent wearing equipment has become daily consumer goods, is liked by all kinds of consumers deeply, especially intelligent wrist-watch and bracelet, because of its be convenient for dress, convenient to use is welcome more.
Present intelligent watch and bracelet, wherein a lot of all have human health condition monitoring function, but lack this important function of rhythm of the heart detection, perhaps have the rhythm of the heart detection function a bit, but lack to some extent in the precision.
Therefore, the above problems are further improved.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a heart rate sensor for intelligent wearing, wherein a heart rate detection module is arranged on a wearing module, so that the function of detecting the heart rate at any time is achieved, the heart rate data collected by a detection circuit is subjected to filtering high-frequency interference and light interference through an anti-interference circuit and then is subjected to amplification processing through an adjusting circuit, so that pulses synchronous with actual pulse beating are output, accurate heart rate data are detected, and finally the accurate heart rate data are displayed through a display circuit.
Another object of the present invention is to provide a heart rate sensor for intelligent wearing, which has the advantages of convenient use, high accuracy and stable structure.
In order to achieve the above object, the present invention provides a heart rate sensor for intelligent wearing, which is used for detecting a heart rate of a user in real time, and includes a wearing module and a heart rate detection module installed on the wearing module, wherein one end of the wearing module is provided with a fixing hole, and the other end of the wearing module passes through the fixing hole to be fixed, the heart rate detection module includes a detection circuit, an anti-interference circuit and an adjustment circuit, an output end of the detection circuit is electrically connected with an input end of the anti-interference circuit, and an output end of the anti-interference circuit is electrically connected with an input end of the adjustment circuit, wherein:
the detection circuit comprises a light emitting diode D1 and a triode Q1 (the base of the triode Q1 is used for receiving light from the light emitting diode D1), the anti-interference circuit comprises a resistor R2, a capacitor C1 and an operational amplifier U1, the collector of the triode Q1 is electrically connected with the positive input end of the operational amplifier U1 sequentially through the capacitor C2 and the capacitor C3, the adjusting circuit comprises an operational amplifier U2 and the operational amplifier U3, the output end of the operational amplifier U2 is electrically connected with the negative input end of the operational amplifier U3 through the capacitor C5, and the output end of the operational amplifier U3 is connected with the output end A through the resistor R13.
As a further preferable mode of the above-mentioned technical solution, an anode of the light emitting diode D1 is connected to a power supply terminal (+5V) through a resistor R1 and a cathode of the light emitting diode D1 is grounded, a collector of the transistor Q1 is connected to the power supply terminal (+9V) through a resistor R2 and a capacitor C1 is connected between the collector and an emitter (ground) of the transistor Q1.
As a further preferable technical solution of the above technical solution, a resistor R3 is connected between the output end and the negative input end of the operational amplifier U1, and a capacitor C4 is connected in parallel to two ends of the resistor R3.
As a further preferable technical solution of the above technical solution, the output end of the operational amplifier U1 is electrically connected to the positive input end of the operational amplifier U2 through a resistor R6, and a resistor R9 is connected between the positive input end and the output end of the operational amplifier U2;
the output end of the operational amplifier U2 is electrically connected with the negative input end of the operational amplifier U3 through a capacitor C5, one path of the positive input end of the operational amplifier U3 is electrically connected with the output end through a capacitor C6, the other path of the positive input end of the operational amplifier U3 is electrically connected with the output end through a resistor R11, a resistor R12 and a diode D3 in sequence, two ends of the resistor R11 are connected with the diode D2 in parallel, and the common connection end of the resistor R12 and the resistor R11 is grounded.
As a further preferable technical solution of the above technical solution, one end of the capacitor C5, which is far away from the operational amplifier U2, is electrically connected to an output end of the operational amplifier U4 through a resistor R10, one path of the output end of the operational amplifier U4 is electrically connected to a negative input end of the operational amplifier U1 through a resistor R5, the other path of the output end of the operational amplifier U4 is electrically connected to a positive input end of the operational amplifier U1 through a resistor R4, the positive input end of the operational amplifier U4 is connected to a power supply terminal (+9V) through a resistor R14, the positive input end of the operational amplifier U4 is further connected to ground through a resistor R15, and two ends of the resistor R15 are connected in parallel to a capacitor C7.
As a further preferred technical solution of the above technical solution, the heart rate detection module further includes a processing circuit (including a single chip microcomputer, preferably STM32 series) and a display circuit, the output terminal a is electrically connected to an input terminal of the processing circuit, and an output terminal of the processing circuit is electrically connected to an input terminal of the display circuit.
Drawings
Fig. 1 is a schematic structural diagram of a heart rate sensor for smart wearing according to the present invention.
Fig. 2 is a circuit diagram of a heart rate detection module for a smart worn heart rate sensor of the present invention.
The reference numerals include: 1. a wearing module; 11. a fixing hole; 2. and a heart rate detection module.
Detailed Description
The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the utility model, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.
The utility model discloses a heart rate sensor for intelligent wearing, and the specific embodiment of the utility model is further described below by combining the preferred embodiment.
In the embodiment of the present invention, those skilled in the art note that the wearing module and the single chip microcomputer related to the present invention may be regarded as the prior art.
Preferred embodiments.
The utility model discloses a heart rate sensor for intelligent wearing, which is used for detecting the heart rate of a user in real time, and comprises a wearing module 1 and a heart rate detection module 2 arranged on the wearing module 1, wherein one end of the wearing module 1 is provided with a fixed hole 11, the other end of the wearing module 1 penetrates through the fixed hole 11 to be fixed (such as a watch, and the wearing is convenient), the heart rate detection module 2 comprises a detection circuit, an anti-interference circuit and an adjusting circuit, the output end of the detection circuit is electrically connected with the input end of the anti-interference circuit, and the output end of the anti-interference circuit is electrically connected with the input end of the adjusting circuit, wherein:
the detection circuit comprises a light emitting diode D1 and a triode Q1 (the base of the triode Q1 is used for receiving light from the light emitting diode D1), the anti-interference circuit comprises a resistor R2, a capacitor C1 and an operational amplifier U1, the collector of the triode Q1 is electrically connected with the positive input end of the operational amplifier U1 sequentially through the capacitor C2 and the capacitor C3, the adjusting circuit comprises an operational amplifier U2 and the operational amplifier U3, the output end of the operational amplifier U2 is electrically connected with the negative input end of the operational amplifier U3 through the capacitor C5, and the output end of the operational amplifier U3 is connected with the output end A through the resistor R13.
Specifically, the anode of the light emitting diode D1 is connected to a power supply terminal (+5V) through a resistor R1 and the cathode of the light emitting diode D1 is grounded, the collector of the transistor Q1 is connected to the power supply terminal (+9V) through a resistor R2, and a capacitor C1 is connected between the collector and the emitter (ground) of the transistor Q1.
More specifically, a resistor R3 is connected between the output end and the negative input end of the operational amplifier U1, and a capacitor C4 is connected in parallel to two ends of the resistor R3.
Further, the output end of the operational amplifier U1 is electrically connected to the positive input end of the operational amplifier U2 through a resistor R6, and a resistor R9 is connected between the positive input end and the output end of the operational amplifier U2;
the output end of the operational amplifier U2 is electrically connected with the negative input end of the operational amplifier U3 through a capacitor C5, one path of the positive input end of the operational amplifier U3 is electrically connected with the output end through a capacitor C6, the other path of the positive input end of the operational amplifier U3 is electrically connected with the output end through a resistor R11, a resistor R12 and a diode D3 in sequence, two ends of the resistor R11 are connected with the diode D2 in parallel, and the common connection end of the resistor R12 and the resistor R11 is grounded.
Furthermore, one end of the capacitor C5, which is far away from the operational amplifier U2, is electrically connected to the output end of the operational amplifier U4 through a resistor R10, one path of the output end of the operational amplifier U4 is electrically connected to the negative input end of the operational amplifier U1 through a resistor R5, the other path of the output end of the operational amplifier U4 is electrically connected to the positive input end of the operational amplifier U1 through a resistor R4, the positive input end of the operational amplifier U4 is connected to a power supply terminal (+9V) through a resistor R14, the positive input end of the operational amplifier U4 is further connected to the ground through a resistor R15, and two ends of the resistor R15 are connected to a capacitor C7 in parallel.
Preferably, the heart rate detection module further comprises a processing circuit (including a single chip microcomputer, connected to a power supply, preferably STM32 series) and a display circuit, wherein the output end a is electrically connected to the input end of the processing circuit, and the output end of the processing circuit is electrically connected to the input end of the display circuit.
The principle of the utility model is as follows: the heart rate detection module arranged on the wearing module is worn on a hand, infrared light is emitted through the light emitting diode D1, the infrared light is received by the triode Q1 after passing through a human body and is converted into an electric signal, the change of blood concentration is caused by the heart beat, so the change of light collected from the triode Q1 is influenced, but the frequency of the pulse beat is very low, so the collected data is easily interfered by the outside, the low-pass filtering is carried out on the collected data through an anti-interference circuit, the high-frequency interference is filtered through the resistor R2 and the capacitor C1, so the detection data are more accurate, the light of solar radiation can be received by the outdoor triode Q1 besides the infrared light emitted by the light emitting diode D1, the detection accuracy is influenced, the light interference is filtered through the photoelectric isolator composed of the capacitor C2 and the capacitor C3, and then the pulse of actual pulse beat is finally output through the adjustment and amplification of the adjusting circuit, therefore, the counting is carried out after the counting is received by the singlechip, and finally the counting is displayed through a display screen of the display circuit.
It should be noted that the technical features such as the wearing module and the single chip microcomputer related to the patent application of the present invention should be regarded as the prior art, and the specific structure, the operation principle, the control mode and the spatial arrangement mode of the technical features may be conventional choices in the field, and should not be regarded as the utility model point of the patent of the present invention, and the patent of the present invention is not further specifically described in detail.
It will be apparent to those skilled in the art that modifications and equivalents may be made in the embodiments and/or portions thereof without departing from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a heart rate sensor for intelligence is dressed for real-time detection user's rhythm of the heart, its characterized in that, including dress the module with install in dress module's rhythm of the heart detection module, dress module's one end be equipped with the fixed orifices and dress module's the other end passes the fixed orifices is fixed, rhythm of the heart detection module includes detection circuitry, anti jamming circuit and regulating circuit, detection circuitry's output with anti jamming circuit's input electric connection and anti jamming circuit's output with regulating circuit's input electric connection, wherein:
the detection circuit comprises a light emitting diode D1 and a triode Q1, the anti-interference circuit comprises a resistor R2, a capacitor C1 and an operational amplifier U1, a collector of the triode Q1 is electrically connected with an anode input end of the operational amplifier U1 sequentially through a capacitor C2 and a capacitor C3, the adjusting circuit comprises an operational amplifier U2 and an operational amplifier U3, an output end of the operational amplifier U2 is electrically connected with a cathode input end of the operational amplifier U3 through the capacitor C5, and an output end of the operational amplifier U3 is connected with an output end A through a resistor R13.
2. The heart rate sensor for intelligent wearing according to claim 1, wherein an anode of the light emitting diode D1 is connected to a power supply terminal through a resistor R1 and a cathode of the light emitting diode D1 is grounded, a collector of the transistor Q1 is connected to the power supply terminal through a resistor R2 and a capacitor C1 is connected between the collector and an emitter of the transistor Q1.
3. The heart rate sensor for intelligent wearing according to claim 2, wherein a resistor R3 is connected between the output end and the negative input end of the amplifier U1, and a capacitor C4 is connected in parallel to two ends of the resistor R3.
4. The heart rate sensor for intelligent wearing according to claim 3, wherein the output end of the transporter U1 is electrically connected with the positive input end of the transporter U2 through a resistor R6, and a resistor R9 is connected between the positive input end and the output end of the transporter U2;
the output end of the operational amplifier U2 is electrically connected with the negative input end of the operational amplifier U3 through a capacitor C5, one path of the positive input end of the operational amplifier U3 is electrically connected with the output end through a capacitor C6, the other path of the positive input end of the operational amplifier U3 is electrically connected with the output end through a resistor R11, a resistor R12 and a diode D3 in sequence, two ends of the resistor R11 are connected with the diode D2 in parallel, and the common connection end of the resistor R12 and the resistor R11 is grounded.
5. The heart rate sensor for intelligent wearing according to claim 4, wherein one end of the capacitor C5 far away from the op amp U2 is electrically connected with an output end of an op amp U4 through a resistor R10, one path of the output end of the op amp U4 is electrically connected with a negative input end of the op amp U1 through a resistor R5, the other path of the output end of the op amp U4 is electrically connected with a positive input end of the op amp U1 through a resistor R4, the positive input end of the op amp U4 is connected with a power supply end through a resistor R14, the positive input end of the op amp U4 is further connected with a ground through a resistor R15, and a capacitor C7 is connected in parallel with two ends of the resistor R15.
6. The heart rate sensor of claim 5, wherein the heart rate detection module further comprises a processing circuit and a display circuit, the output A is electrically connected to an input of the processing circuit and an output of the processing circuit is electrically connected to an input of the display circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122704655.5U CN216394046U (en) | 2021-11-08 | 2021-11-08 | Heart rate sensor for intelligent wearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122704655.5U CN216394046U (en) | 2021-11-08 | 2021-11-08 | Heart rate sensor for intelligent wearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216394046U true CN216394046U (en) | 2022-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122704655.5U Active CN216394046U (en) | 2021-11-08 | 2021-11-08 | Heart rate sensor for intelligent wearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216394046U (en) |
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2021
- 2021-11-08 CN CN202122704655.5U patent/CN216394046U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221111 Address after: Room 301 C, No. 225, Jinguang Road, Minhang District, Shanghai 200000 Patentee after: Xiaobao Technology (Shanghai) Co.,Ltd. Address before: 314036 Tongxiang Avenue 547, Jiaxing City, Zhejiang Province Patentee before: Jiaxing Vocational & Technical College |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Heart Rate Sensor for Intelligent Wearing Effective date of registration: 20230807 Granted publication date: 20220429 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Shanghai Zhabei sub branch Pledgor: Xiaobao Technology (Shanghai) Co.,Ltd. Registration number: Y2023310000443 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |