CN212382611U - Heart rate display equipment - Google Patents
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- CN212382611U CN212382611U CN202021031812.XU CN202021031812U CN212382611U CN 212382611 U CN212382611 U CN 212382611U CN 202021031812 U CN202021031812 U CN 202021031812U CN 212382611 U CN212382611 U CN 212382611U
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Abstract
The utility model discloses a rhythm of heart display device, rhythm of heart display device includes: a heart rate sensor for detecting a current pulse signal of a user; the microprocessor is electrically connected with the heart rate sensor and receives the current pulse signal sent by the heart rate sensor; the memory is electrically connected with the microprocessor, the microprocessor calls a signal processing model of the memory and inputs the current pulse signal into the signal processing model to obtain a heart rate signal; and the display is electrically connected with the microprocessor and is used for displaying the heart rate signal sent by the microprocessor. The utility model discloses can improve the rate of accuracy of the rhythm of the heart of rhythm of the heart display device output.
Description
Technical Field
The utility model relates to a rhythm of heart output technical field especially relates to a rhythm of heart display device.
Background
And judging whether the good factors or the bad factors of the heart rate output algorithm are accuracy, instantaneity and adaptivity. The heart rate monitoring algorithms commonly used at present include a conventional Electrocardiogram (heart rate signal) analysis method and a PhotoPlethysmoGraphy (pulse signal) signal analysis method. The traditional electrocardiogram analysis method needs professional medical personnel to use professional equipment to analyze, and an ordinary user can only go to professional institutions such as hospitals to measure the heart rate. The pulse signal analysis method utilizes the principle that light is absorbed by blood through skin tissues and collects the reflected signals of the LED lamps for analysis. However, due to human body movement or equipment activity, the acquired pulse signal contains a large amount of noise, which results in low accuracy of the heart rate output.
SUMMERY OF THE UTILITY MODEL
The utility model provides a rhythm of heart display device aims at solving and carries out rhythm of the heart and examine time measuring among the prior art, because human motion or equipment activity for contain a large amount of noises in the pulse signal of collection, lead to the problem that the rate of accuracy of rhythm of the heart output is low.
In order to achieve the above object, the utility model provides a rhythm of heart display device, rhythm of heart display device includes:
a heart rate sensor for detecting a current pulse signal of a user;
the microprocessor is electrically connected with the heart rate sensor and receives the current pulse signal sent by the heart rate sensor;
the memory is electrically connected with the microprocessor, the microprocessor calls a signal processing model in the memory and inputs the current pulse signal into the signal processing model to obtain a heart rate signal;
and the display is electrically connected with the microprocessor and is used for displaying the heart rate signal sent by the microprocessor.
In one embodiment, the microprocessor comprises:
the input end of the cutting module is connected with the output end of the heart rate sensor, and the cutting module is used for outputting a plurality of first pulse signal segments according to the received current pulse signal;
the input end of the noise reduction module is connected with the output end of the cutting module, and the noise reduction module is used for outputting a plurality of second pulse signal segments according to the received first pulse signal segments;
the input end of the demodulation module is connected with the output end of the noise reduction module, the output end of the demodulation module is connected with the signal processing model, and the demodulation module is used for outputting a plurality of third pulse signal segments according to the received second pulse signal segments.
In one embodiment, the cutting module comprises:
the input end of the control unit is connected with the output end of the heart rate sensor, and the control unit is used for generating a cutting length control instruction according to the received current pulse signal;
the input end of the cutting unit is connected with the output end of the control unit, the output end of the cutting unit is connected with the input end of the noise reduction module, and the cutting unit is used for outputting the plurality of first pulse signal sections according to the received current pulse signals and the cutting length control instructions.
In one embodiment, the noise reduction module comprises:
the input end of the reconstruction unit is connected with the output end of the cutting module, and the reconstruction unit is used for obtaining a plurality of singular value matrixes according to the received first pulse signal segments;
the input end of the decomposition unit is connected with the output end of the reconstruction unit, and the decomposition unit is used for outputting a plurality of noise-reduced matrixes according to the plurality of received singular value matrixes;
the input end of the reduction unit is connected with the output end of the decomposition unit, the output end of the reduction unit is connected with the input end of the demodulation module, and the reduction unit is used for outputting the second pulse signal segments according to the received noise-reduced matrixes.
In one embodiment, the signal processing model comprises:
the input layer is connected with the output end of the microprocessor;
a convolution module connected to the input layer;
the full-connection module is connected with the convolution module;
and the output layer is connected with the full-connection module.
In one embodiment, the convolution module comprises:
a first convolution layer connected to the input layer;
a first pooling layer connected with the first convolution layer;
a first normalization layer connected with the first pooling layer;
a second convolutional layer connected with the first normalized layer;
a second pooling layer coupled to the second convolution layer;
and the second normalization layer is connected with the second pooling layer and the full-connection module.
In one embodiment, the fully connected module comprises:
a first fully-connected layer connected to the second normalized layer;
a first Drop out layer connected with the first full connection layer;
a second fully connected layer connected with the first Drop out layer;
a second Drop out layer connected with the second full connection layer;
a third fully connected layer connected to the second Drop out layer and the output layer.
In an embodiment, the heart rate presentation device is a bracelet or a watch.
According to the technical scheme, the heart rate display equipment comprises a heart rate sensor, wherein the heart rate sensor is used for detecting the current pulse signal of a user; the microprocessor is electrically connected with the heart rate sensor and receives the current pulse signal sent by the heart rate sensor; the memory is electrically connected with the microprocessor, the microprocessor calls a signal processing model in the memory and inputs the current pulse signal into the signal processing model to obtain a heart rate signal; and the display is electrically connected with the microprocessor and is used for displaying the heart rate signal sent by the microprocessor. The microprocessor is used for carrying out noise reduction on the current pulse signal and then inputting the signal processing model to obtain the heart rate signal, so that the problem that the accuracy of heart rate output is low due to the fact that a large amount of noise is contained in the pulse signal collected in the prior art is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the heart rate display apparatus of the present invention;
fig. 2 is a schematic structural diagram of a microprocessor according to another embodiment of the heart rate display device of the present invention;
fig. 3 is a schematic structural diagram of a cutting module according to another embodiment of the heart rate display device of the present invention;
fig. 4 is a schematic structural diagram of a noise reduction module according to another embodiment of the heart rate display apparatus of the present invention;
fig. 5 is a schematic structural diagram of a signal processing model in a memory according to another embodiment of the heart rate display device of the present invention;
fig. 6 is a schematic structural diagram of a convolution module according to another embodiment of the heart rate display apparatus of the present invention;
fig. 7 is a schematic structural diagram of a fully connected module according to another embodiment of the heart rate display device of the present invention.
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The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
The utility model provides a rhythm of heart display device. Referring to fig. 1, the heart rate display apparatus includes: a heart rate sensor for detecting a current pulse signal of a user; the microprocessor is electrically connected with the heart rate sensor and receives the current pulse signal sent by the heart rate sensor; the memory is electrically connected with the microprocessor, the microprocessor calls a signal processing model in the memory and inputs the current pulse signal into the signal processing model to obtain a heart rate signal; and the display is electrically connected with the microprocessor and is used for displaying the heart rate signal sent by the microprocessor.
In the technical solution provided in this embodiment, the heart rate display device includes a heart rate sensor, the heart rate sensor is configured to detect a current pulse signal of a user, and then transmit the obtained current pulse signal to a microprocessor, the microprocessor performs preprocessing operations such as data cutting, data noise reduction, and data demodulation after receiving the pulse signal sent by the heart rate sensor, and then inputs the preprocessed pulse signal into a signal processing model pre-stored in a memory, and the signal processing model performs heart rate value matching according to the received preprocessed pulse signal to obtain a heart rate signal corresponding to the preprocessed pulse signal, wherein the signal processing model is a preferred model obtained and stored by performing model training in advance according to a training set, and the training set may be composed of a sample pulse signal collected by the heart rate sensor and a sample heart rate signal collected by an electrocardiograph collection device, of course, the training set can also be obtained by directly acquiring the cloud-end data. Wherein, carry out data to current pulse signal through microprocessor and fall the back input signal processing model of making an uproar in order to obtain the rhythm of the heart signal, contain a large amount of noises in the pulse signal that can solve the collection among the prior art, lead to the problem that the rate of accuracy of rhythm of the heart output is low, improved the rate of accuracy of the rhythm of the heart of rhythm display device output.
Referring to fig. 2, fig. 2 is a second embodiment of the present invention, and based on the first embodiment, the microprocessor includes: the input end of the cutting module is connected with the output end of the heart rate sensor, and the cutting module is used for outputting a plurality of first pulse signal segments according to the received current pulse signal; the input end of the noise reduction module is connected with the output end of the cutting module, and the noise reduction module is used for outputting a plurality of second pulse signal segments according to the received first pulse signal segments; the input end of the demodulation module is connected with the output end of the noise reduction module, the output end of the demodulation module is connected with the signal processing model, and the demodulation module is used for outputting a plurality of third pulse signal segments according to the received second pulse signal segments.
In the technical scheme that this embodiment provided, carry out data cutting to the current pulse signal who obtains through the cutting module and obtain a plurality of first pulse signal sections, then the cutting module transmits a plurality of first pulse signal sections of receiving to the module of making an uproar of falling, the module of making an uproar of falling can call singular value algorithm and reduce the noise of current pulse signal in order to obtain a plurality of second pulse signal sections, then the module of making an uproar of falling can be with the point that there is great difference in the swing amplitude between crest and the trough in a plurality of second pulse signal sections of receiving get rid of in order to obtain third pulse signal section. For the fact that the frequency of the heart rate value output by the heart rate output device is not uniform due to the fact that the pulse signal input subsequently is too long, the length of the pulse signal input subsequently can be kept the same through cutting the current pulse signal, the frequency of the heart rate output can be indirectly improved, and the real-time performance of the heart rate output is further improved; the data noise reduction can ensure that the subsequently input pulse signals have no noise, and the accuracy of the heart rate output can be improved; the abnormal point with large amplitude of oscillation in the subsequently input pulse signal can be removed through the demodulation module, and the accuracy of the heart rate output is improved.
Referring to fig. 3, fig. 3 is a third embodiment of the present invention, based on the first and second embodiments, the cutting module includes: the input end of the control unit is connected with the output end of the heart rate sensor, and the control unit is used for generating a cutting length control instruction according to the received current pulse signal; the input end of the cutting unit is connected with the output end of the control unit, the output end of the cutting unit is connected with the input end of the noise reduction module, and the cutting unit is used for outputting the plurality of first pulse signal sections according to the received current pulse signals and the cutting length control instructions.
In the technical scheme provided by the embodiment, the control unit can detect the total length of the current pulse signal after receiving the current pulse signal, the control unit can perform signal repair through a median method when the total length of the control unit does not meet the cutting condition so as to meet the cutting condition, when the control unit determines that the cutting condition is met after processing, the control unit inputs the current pulse signal into the cutting unit, and the cutting unit performs data cutting on the pulse signal according to the cutting rule defined by the control unit so as to obtain a plurality of first pulse signal sections with equal signal lengths. Through the signal length to current pulse signal managing and control to obtain the first pulse signal section that a plurality of length equal, on the one hand, can avoid because the signal that will handle is too long and the heart rate output that leads to has a delay, and then improved the real-time of heart rate display device output heart rate value, on the second hand, can inject the heart rate value signal length of the pulse signal of follow-up input and the label storehouse in the model through the cutting rule of definition and answer, and then improve the efficiency and the rate of accuracy of matching.
Referring to fig. 4, fig. 4 shows a fourth embodiment of the present invention, which is based on the first to third embodiments, the noise reduction module includes: the input end of the reconstruction unit is connected with the output end of the cutting module, and the reconstruction unit is used for obtaining a plurality of singular value matrixes according to the received first pulse signal segments; the input end of the decomposition unit is connected with the output end of the reconstruction unit, and the decomposition unit is used for outputting a plurality of noise-reduced matrixes according to the plurality of received singular value matrixes; the input end of the reduction unit is connected with the output end of the decomposition unit, the output end of the reduction unit is connected with the input end of the demodulation module, and the reduction unit is used for outputting the second pulse signal segments according to the received noise-reduced matrixes.
In the technical scheme of this embodiment, the reconstructing unit converts the obtained plurality of first pulse signal segments into a plurality of singular value matrices through matrix reconstruction, then transmits the plurality of singular value matrices to the decomposing unit, the decomposing unit calls a singular value decomposition algorithm pre-stored in the memory to process the obtained plurality of singular value matrices, obtains effective rank orders of the plurality of singular value matrices, and restores the signals according to the effective rank order of each singular value matrix to obtain the plurality of second pulse signal segments. The signal-to-noise ratio of the subsequently input pulse signals can be improved through singular value decomposition, and therefore the accuracy of heart rate value detection is improved.
Referring to fig. 5, fig. 5 shows a fifth embodiment of the present invention, based on the first to fourth embodiments, the signal processing model includes: the input layer is connected with the output end of the microprocessor; a convolution module connected to the input layer; the full-connection module is connected with the convolution module; and the output layer is connected with the full-connection module.
Among the technical scheme of this embodiment, the input layer can transmit it to the convolution module after receiving a plurality of third pulse signal sections, the convolution module can carry out the convolution operation to a plurality of third pulse signal sections of receipt, then will transmit a plurality of third pulse signal sections through convolution processing to full tie layer, full tie layer can carry out label matching according to a plurality of third pulse signal sections of receipt in order to obtain a plurality of heart rate signals that correspond, full tie layer generates the heart rate value through a plurality of heart rate signals of receipt, full tie layer transmits the heart rate value that generates to the output layer, the output layer is with the heart rate value of receipt through transmitting to the display in order to demonstrate. Data association among the pulse signals, the heart rate signals and the heart rate values is achieved through the signal processing model, the corresponding heart rate values are obtained through matching of the pulse signals, and efficiency and accuracy of model training can be improved.
Referring to fig. 6, fig. 6 shows a sixth embodiment of the present invention, based on the first to fifth embodiments, the convolution module includes: a first convolution layer connected to the input layer; a first pooling layer connected with the first convolution layer; a first normalization layer connected with the first pooling layer; a second convolutional layer connected with the first normalized layer; a second pooling layer coupled to the second convolution layer; and the second normalization layer is connected with the second pooling layer and the full-connection module.
In the technical scheme of this embodiment, the first convolution layer may input a first pooling layer of values after performing convolution operation on a plurality of third pulse signal segments when receiving the plurality of third pulse signal segments, the first pooling layer may input a plurality of third pulse signal segments processed by the first convolution layer after performing pooling operation to the first normalization layer, the first normalization layer may input a plurality of third pulse signal segments processed by the first pooling layer to the second convolution layer, the second convolution layer may input a second pooling layer of values after performing second convolution operation on a plurality of third pulse signal segments processed by the first normalization layer after receiving the second pulse signal segments processed by the second convolution layer, the second pooling layer may input a second normalization layer after performing second pooling operation on a plurality of third pulse signal segments processed by the second convolution layer, and the second normalization layer may perform second normalization operation on a plurality of third pulse signal segments processed by the second pooling operation. Wherein, can improve the treatment accuracy through the quadratic convolution under the circumstances of guaranteeing data processing efficiency, and then improve the feature extraction precision of above-mentioned a plurality of third signal segments, indirectly improved the rate of accuracy of follow-up rhythm of the heart output.
Referring to fig. 7, fig. 7 shows a seventh embodiment of the present invention, and based on the first to sixth embodiments, the full connection module includes: a first fully-connected layer connected to the second normalized layer; a first Drop out layer connected with the first full connection layer; a second fully connected layer connected with the first Drop out layer; a second Drop out layer connected with the second full connection layer; a third fully connected layer connected to the second Drop out layer and the output layer.
In the technical scheme of this embodiment, after receiving a plurality of third pulse signal segments processed by the convolution module, the first full connection layer performs signal segment mapping processing to realize feature classification, and then inputs the first Drop out layer, the first Drop out layer performs random correction on a plurality of third pulse signal segments processed by the first full connection layer and then inputs the second full connection layer, the second full connection layer performs signal segment mapping processing on a plurality of third pulse signal segments processed by the first Drop out layer to realize feature classification, and then inputs the second Drop out layer, and the second Drop out layer performs random correction on a plurality of third pulse signal segments processed by the second full connection layer and then inputs the third full connection layer. Wherein, add 20% Drop out at the full link module, can prevent the overfitting, improved the utility model discloses a stability of rhythm of heart display device when using.
In an eighth embodiment of the present invention, based on the first to seventh embodiments, the heart rate display device is a bracelet or a watch.
In the technical scheme of this embodiment, be wearable equipment such as wrist-watch when above-mentioned rhythm of the heart show equipment, can gather the pulse signal easily, and then obtain corresponding rhythm of the heart signal according to the pulse signal, improved the utility model discloses the convenience of implementing.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (8)
1. A heart rate presentation device, characterized in that the heart rate presentation device comprises:
a heart rate sensor for detecting a current pulse signal of a user;
the microprocessor is electrically connected with the heart rate sensor and receives the current pulse signal sent by the heart rate sensor;
the memory is electrically connected with the microprocessor, the microprocessor calls a signal processing model in the memory and inputs the current pulse signal into the signal processing model to obtain a heart rate signal;
and the display is electrically connected with the microprocessor and is used for displaying the heart rate signal sent by the microprocessor.
2. The heart rate display device of claim 1, wherein the microprocessor comprises:
the input end of the cutting module is connected with the output end of the heart rate sensor, and the cutting module is used for outputting a plurality of first pulse signal segments according to the received current pulse signal;
the input end of the noise reduction module is connected with the output end of the cutting module, and the noise reduction module is used for outputting a plurality of second pulse signal segments according to the received first pulse signal segments;
the input end of the demodulation module is connected with the output end of the noise reduction module, the output end of the demodulation module is connected with the signal processing model, and the demodulation module is used for outputting a plurality of third pulse signal segments according to the received second pulse signal segments.
3. The heart rate display device of claim 2, wherein the cutting module comprises:
the input end of the control unit is connected with the output end of the heart rate sensor, and the control unit is used for generating a cutting length control instruction according to the received current pulse signal;
the input end of the cutting unit is connected with the output end of the control unit, the output end of the cutting unit is connected with the input end of the noise reduction module, and the cutting unit is used for outputting the plurality of first pulse signal sections according to the received current pulse signals and the cutting length control instructions.
4. The heart rate presentation device of claim 2, wherein the noise reduction module comprises:
the input end of the reconstruction unit is connected with the output end of the cutting module, and the reconstruction unit is used for obtaining a plurality of singular value matrixes according to the received first pulse signal segments;
the input end of the decomposition unit is connected with the output end of the reconstruction unit, and the decomposition unit is used for outputting a plurality of noise-reduced matrixes according to the plurality of received singular value matrixes;
the input end of the reduction unit is connected with the output end of the decomposition unit, the output end of the reduction unit is connected with the input end of the demodulation module, and the reduction unit is used for outputting the second pulse signal segments according to the received noise-reduced matrixes.
5. The heart rate presentation device of claim 1, wherein the signal processing model comprises:
the input layer is connected with the output end of the microprocessor;
a convolution module connected to the input layer;
the full-connection module is connected with the convolution module;
and the output layer is connected with the full-connection module.
6. The heart rate presentation device of claim 5, wherein the convolution module comprises:
a first convolution layer connected to the input layer;
a first pooling layer connected with the first convolution layer;
a first normalization layer connected with the first pooling layer;
a second convolutional layer connected with the first normalized layer;
a second pooling layer coupled to the second convolution layer;
and the second normalization layer is connected with the second pooling layer and the full-connection module.
7. The heart rate display device of claim 6, wherein the fully connected module comprises:
a first fully-connected layer connected to the second normalized layer;
a first Drop out layer connected with the first full connection layer;
a second fully connected layer connected with the first Drop out layer;
a second Drop out layer connected with the second full connection layer;
a third fully connected layer connected to the second Drop out layer and the output layer.
8. The heart rate presentation device of claim 1, wherein the heart rate presentation device is a bracelet or a watch.
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| CN202021031812.XU CN212382611U (en) | 2020-06-05 | 2020-06-05 | Heart rate display equipment |
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