CN206687707U - Detect the wearable device of human ecg signal - Google Patents
Detect the wearable device of human ecg signal Download PDFInfo
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- CN206687707U CN206687707U CN201621319994.4U CN201621319994U CN206687707U CN 206687707 U CN206687707 U CN 206687707U CN 201621319994 U CN201621319994 U CN 201621319994U CN 206687707 U CN206687707 U CN 206687707U
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- waterproof case
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- ecg signal
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Abstract
The utility model provides a kind of wearable device for detecting human ecg signal, it is characterised in that：Including flexible circumferential and waterproof case；The inner side and outer side of waterproof case is respectively equipped with a dry electrode；Waterproof case is internally formed annular seal space, and processing module and power module are provided with annular seal space；Processing module includes differential amplifier circuit, analogue filter circuit, analog to digital conversion circuit, governor circuit and the transmission of wireless signals circuit being sequentially connected；Two dry electrodes are connected with differential amplifier circuit respectively.The wearable device is simple in construction, and small volume is easy to use, can moistureproof, anti-sweat, waterproof, wearing comfort, can accurately reduce human body electrocardio figure to monitor body heath at any time.
Description
Technical field
ECG signal sampling technical field is the utility model is related to, more specifically to one kind detection human body electrocardio letter
Number wearable device.
Background technology
With the improvement of people ' s living standards, the quickening of rhythm of life, the incidence of disease of angiocardiopathy rise rapidly, into
To threaten one of principal element of human body health.Because the invisible, sudden of cardiovascular event generation, change are fast, dead
Rate height is died, usually prevents patient from being given treatment in time.And electrocardiogram is then the Main Basiss for treating such disease, there is diagnosis
Reliably, method is easy, it is harmless to patient the advantages of, in modern medicine, become more and more important.Therefore, cardioelectric monitor pair
It is significant with life security in the health of people.
The ECG detecting that Hospitals at Present uses uses large-scale ECG detecting equipment more, and volume is big, expensive, and needs
The medical personnel of specialty can just understand, it is difficult to accomplish intelligent automatic monitoring, can only be used in hospital internal, be not easy to the day of patient
Often use.And existing wearable electrocardio equipment, it is more the principle based on optical detection, interference is big, and medical reference significance is not
Greatly, heart rate data and can only typically be got, it is difficult to obtain complete ECG information, it is difficult to meet the diagnosis need of medical personnel
Ask.
Therefore, it is badly in need of designing a kind of detectable human ecg signal, wearable, small volume, equipment easy to use.
Utility model content
The purpose of this utility model is to overcome shortcoming and deficiency of the prior art, there is provided one kind detection human body electrocardio letter
Number, simple in construction, small volume, easy to use, moistureproof, anti-sweat, waterproof, wearing comfort, can accurately reduce human body electrocardio figure
To monitor the wearable device of body heath at any time.
In order to achieve the above object, the utility model is achieved by following technical proposals：One kind detection human body electrocardio
The wearable device of signal, it is characterised in that：Including flexible circumferential and waterproof case；The inner side and outer side of the waterproof case point
She You not a dry electrode；Waterproof case is internally formed annular seal space, processing module is provided with annular seal space and for processing module
The power module of power supply；
The processing module includes：
For gathering the output signal of two dry electrodes, and the output signal of two dry electrodes is compared and amplified
To the differential amplifier circuit of differential amplification electrocardiosignal；
For the analogue filter circuit being filtered to differential amplification electrocardiosignal；
Digital electrocardio letter is obtained for filtered differential amplification electrocardiosignal to be converted into data signal from analog signal
Number analog to digital conversion circuit；
For being handled digital electrocardiosignal to obtain the governor circuit of ecg information；
And the transmission of wireless signals circuit for ecg information to be transmitted to external equipment；
Two dry electrodes are connected with differential amplifier circuit respectively；The differential amplifier circuit, analogue filter circuit, modulus turn
Circuit, governor circuit and transmission of wireless signals circuit is changed to be sequentially connected.
The operation principle of the utility model wearable device is：Wearable device is worn over a left side by user by flexible circumferential
On hand or right hand wrist, dry electrode and wrist skin contact on the inside of waterproof case；When the contact of another hand finger is located at
During dry electrode on the outside of waterproof case, the measuring loop by human heart is formd；Two dry electrode difference output signals, it is poor
It is divided to amplifying circuit that the output signal of two dry electrodes is compared and amplified, obtains differential amplification electrocardiosignal, differential amplification
Electrocardiosignal after filtering-analog-to-digital conversion is input in governor circuit and forms ecg information, by transmission of wireless signals circuit to
External equipment transmits.Ecg information carries out Treatment Analysis in external equipment, can simplify wearable device structure, reduces volume.
The utility model wearable device accurately reduces human body electrocardio figure, and simple in construction, small volume is easy to use；
With good moistureproof, anti-sweat, water resistance, be easy to user in all case, any moment dressed, monitor the heart at any time
Power information, user is set to be given treatment in time to guarantee the state of noting abnormalities in time；The utility model wearable device uses
Flexible circumferential, human body skin can be preferably bonded, can also improve comfort level during user's wearing.
Preferably, the inner side and outer side of the waterproof case is respectively equipped with a dry electrode and referred to, is opened in annular seal space cavity wall
Provided with two mounting holes, and two mounting holes are located at the inner side and outer side of waterproof case respectively；Two dry electrodes are separately positioned on
In two mounting holes, and sealing structure is provided between dry electrode and mounting hole hole wall.The benefit of the design be can prevent moisture from
Gap between dry electrode and mounting hole hole wall is penetrated into, and further improves water resistance, makes wearable device can with good
By property and security.
It is preferably located at the dry electrode on the inside of waterproof case and protrudes from waterproof case surface, ensures to fill with human body skin
Tap is touched.
Preferably, two dry electrodes distinguish cylindrical, dry electrode basal diameter >=10mm.The benefit of the design is, both
Convenient use person contacts dry electrode, it is ensured that dry electrode has enough contacts area with skin, makes wearable device can be stably
Gather user's body surface biological electricity letter；Volume can be reduced again, be easy to equipment to dress.
Preferably, two dry electrodes refer respectively to the dry electrode of impedance type.
Preferably, the power module includes：
For the lithium battery powered to processing module；
For being lithium cell charging when charging wire connects, supplied when charging wire is not connected with using lithium battery for processing module
The charge control module of electricity；
The charging indicator light for being in charged state/electricity for identifying lithium battery and having been filled with；
And it is in the sufficient battery capacity indication lamp of low battery state/electricity for identifying lithium battery.Power module is provided with
Charging indicator light and battery capacity indication lamp, are easy to user to obtain the charged state and state of charge of lithium battery, and further improving makes
With convenient degree.
Preferably, the transmission of wireless signals circuit refers to Bluetooth transmission circuit；Bluetooth transmission circuit includes：
The ecg information drawn for governor circuit processing is sent to the data transmission unit of outside bluetooth equipment；
And the status indicator lamp of connection status is in and connected/wait for mark data transmission unit.
Preferably, the waterproof case is internally formed annular seal space and referred to, waterproof case includes erecting bed and transparent seal layer,
Transparent seal layer is sealingly disposed on the outside of erecting bed to form annular seal space；The erecting bed, which is provided with, to be used to install charging instruction
The void region of lamp, battery capacity indication lamp and status indicator lamp.Charging indicator light, battery capacity indication lamp and status indicator lamp, both can be real
Now seal, and transmissive goes out the state of light mark power module and Bluetooth transmission circuit.
Compared with prior art, the utility model has the following advantages that and beneficial effect：
1st, the utility model wearable device accurately reduces human body electrocardio figure, simple in construction, small volume, using just
It is prompt；With good moistureproof, anti-sweat, water resistance, be easy to user in all case, any moment dressed, supervise at any time
Thought-read power information, user is set to be given treatment in time to guarantee the state of noting abnormalities in time；The utility model wearable device
Using flexible circumferential, human body skin can be preferably bonded, can also improve comfort level during user's wearing；
2nd, the utility model wearable device can prevent moisture from penetrating into, and have good water resistance, can with good
By property and security；
3rd, both convenient use person contacts dry electrode to the utility model wearable device, it is ensured that dry electrode has enough with skin
Contact area, make wearable device can stably gather user's body surface biological electricity letter；Volume can be reduced again, be easy to equipment to wear
Wear.
Brief description of the drawings
Fig. 1 is the circuit structure block diagram of the utility model wearable device；
Fig. 2 is the structural representation of the utility model wearable device；
Fig. 3 is the application schematic diagram of the utility model wearable device；
Wherein, 1 it is waterproof case, 2 be dry electrode, 3 be void region, 4 is flexible circumferential.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment one
As depicted in figs. 1 and 2, the wearable device of the present embodiment detection human ecg signal, including flexible circumferential and anti-
Water shell；The inner side and outer side of the waterproof case is respectively equipped with a dry electrode；Waterproof case is internally formed annular seal space, sealing
Processing module and the power module for being powered to processing module are provided with chamber；
The processing module includes differential amplifier circuit, analogue filter circuit, analog to digital conversion circuit, governor circuit and wireless
Signal circuit.
Differential amplifier circuit is used for the output signal for gathering two dry electrodes, and the output signal of two dry electrodes is carried out
Relatively and amplification obtains differential amplification electrocardiosignal；
Analogue filter circuit is used to be filtered differential amplification electrocardiosignal；
Analog to digital conversion circuit obtains for filtered differential amplification electrocardiosignal to be converted into data signal from analog signal
To digital electrocardiosignal；
Governor circuit is used to digital electrocardiosignal is handled to obtain ecg information；
Transmission of wireless signals circuit is used to transmit ecg information to external equipment.
Two dry electrodes are connected with differential amplifier circuit respectively；The differential amplifier circuit, analogue filter circuit, modulus turn
Circuit, governor circuit and transmission of wireless signals circuit is changed to be sequentially connected.
The operation principle of the utility model wearable device is：Wearable device is worn over a left side by user by flexible circumferential
On hand or right hand wrist, dry electrode and wrist skin contact on the inside of waterproof case；When the contact of another hand finger is located at
During dry electrode on the outside of waterproof case, the measuring loop by human heart is formd, as shown in Figure 3；Two dry electrode difference
The output signal of two dry electrodes is compared and amplified by output signal, differential amplifier circuit, obtains differential amplification electrocardio letter
Number, differential amplification electrocardiosignal after filtering-analog-to-digital conversion is input in governor circuit and forms ecg information, pass through wireless signal
Transmission circuit transmits to external equipment.Ecg information carries out Treatment Analysis in external equipment, can simplify wearable device structure, contracts
Small size.
The utility model wearable device accurately reduces human body electrocardio figure, and simple in construction, small volume is easy to use；
With good moistureproof, anti-sweat, water resistance, be easy to user in all case, any moment dressed, monitor the heart at any time
Power information, user is set to be given treatment in time to guarantee the state of noting abnormalities in time；The utility model wearable device uses
Flexible circumferential, human body skin can be preferably bonded, can also improve comfort level during user's wearing.
The difference that differential amplifier circuit is extracted between the output signal of two dry electrodes is handled, and simplifies processing mould
The structure of block, and solve the problems, such as that the output signal of dry electrode is weak and interference signal is big, protected from the source of signal acquisition
Demonstrate,prove the integrality of signal.Analog to digital conversion circuit preferably uses high precision analogue change-over circuit, by the digital-to-analogue conversion for improving sampling
The digit of device improves the data precision got simultaneously, on the other hand, the speed of sampling is improved to reduce distortion, so that it is guaranteed that obtaining
The high precision for the data signal got.
In the utility model, differential amplifier circuit, analogue filter circuit, analog to digital conversion circuit, governor circuit and wireless communication
Number transmission circuit can use available circuit.
Power module includes：
For the lithium battery powered to processing module；
For being lithium cell charging when charging wire connects, supplied when charging wire is not connected with using lithium battery for processing module
The charge control module of electricity；
The charging indicator light for being in charged state/electricity for identifying lithium battery and having been filled with；
And it is in the sufficient battery capacity indication lamp of low battery state/electricity for identifying lithium battery.Power module is provided with
Charging indicator light and battery capacity indication lamp, are easy to user to obtain the charged state and state of charge of lithium battery, and further improving makes
With convenient degree.
Transmission of wireless signals circuit refers to Bluetooth transmission circuit；Bluetooth transmission circuit includes：
The ecg information drawn for governor circuit processing is sent to the data transmission unit of outside bluetooth equipment；
And the status indicator lamp of connection status is in and connected/wait for mark data transmission unit.
In external equipment, can by correlation the various EGC parameters of Algorithm Analysis, such as：It is interval between R, real-time heart rate, flat
The data and heart age etc. such as equal heart rate, respiratory rate.Wherein, the acquisition principle being spaced between R is：Utilize the electrocardio number of collection
According to going out between R to be spaced using algorithm intelligence computation according to the range value of waveform.The acquisition principle of heart rate is in real time：Utilize algorithm meter
Interlude (unit is the second) between a R is calculated, then divided by 60, you can obtain.The acquisition principle of average heart rate is：To real-time
Heart rate is averaged.The acquisition principle of respiratory rate is：Estimate respiratory rate using electrocardiogram (ECG) data.
The inner side and outer side of waterproof case 1 is respectively equipped with a dry electrode 2 and referred to, two peaces are offered in annular seal space cavity wall
Hole is filled, and two mounting holes are located at the inner side and outer side of waterproof case 1 respectively；Two dry electrodes 2 are separately positioned on two installations
Kong Zhong, and sealing structure is provided between dry electrode 2 and mounting hole hole wall.The benefit of the design is that moisture can be prevented from dry electrode 2
Gap between mounting hole hole wall is penetrated into, and further improves water resistance, make wearable device have good reliability and
Security.Dry electrode 2 positioned at the inner side of waterproof case 1 protrudes from the surface of waterproof case 1, to ensure fully to connect with human body skin
Touch.
Waterproof case is internally formed annular seal space and referred to, waterproof case 1 includes erecting bed and transparent seal layer, transparent seal layer
It is sealingly disposed on the outside of erecting bed to form annular seal space；Erecting bed be provided be used for install charging indicator light, battery capacity indication lamp and
The void region 3 of status indicator lamp.Charging indicator light, battery capacity indication lamp and status indicator lamp, it can both realize sealing, and transmissive
Go out the state of light mark power module and Bluetooth transmission circuit.
Embodiment two
The present embodiment detects the wearable device of human ecg signal, and the difference with embodiment one is：In the present embodiment,
Two dry electrodes refer respectively to the dry electrode of impedance type；Two dry electrodes distinguish cylindrical, dry electrode basal diameter >=10mm.Should
The benefit of design is that both convenient use person contacted dry electrode, it is ensured that dry electrode has enough contacts area with skin, makes to wear
User's body surface biological electricity letter can stably be gathered by wearing equipment；Volume can be reduced again, be easy to equipment to dress.
Remaining structure of the present embodiment is identical with embodiment one.
Above-described embodiment is the preferable embodiment of the utility model, but embodiment of the present utility model is not by above-mentioned
The limitation of embodiment, it is other it is any without departing from Spirit Essence of the present utility model with made under principle change, modify, replace
Generation, combination, simplify, should be equivalent substitute mode, be included within the scope of protection of the utility model.
Claims (8)
- A kind of 1. wearable device for detecting human ecg signal, it is characterised in that：Including flexible circumferential and waterproof case；It is described The inner side and outer side of waterproof case is respectively equipped with a dry electrode；Waterproof case is internally formed annular seal space, and place is provided with annular seal space Manage module and the power module for being powered to processing module；The processing module includes：For gathering the output signal of two dry electrodes, and the output signal of two dry electrodes is compared and amplifies to obtain difference Divide the differential amplifier circuit of amplification electrocardiosignal；For the analogue filter circuit being filtered to differential amplification electrocardiosignal；Digital electrocardiosignal is obtained for filtered differential amplification electrocardiosignal to be converted into data signal from analog signal Analog to digital conversion circuit；For being handled digital electrocardiosignal to obtain the governor circuit of ecg information；And the transmission of wireless signals circuit for ecg information to be transmitted to external equipment；Two dry electrodes are connected with differential amplifier circuit respectively；The differential amplifier circuit, analogue filter circuit, analog-to-digital conversion electricity Road, governor circuit and transmission of wireless signals circuit are sequentially connected.
- 2. the wearable device of detection human ecg signal according to claim 1, it is characterised in that：The waterproof case Inner side and outer side be respectively equipped with a dry electrode and refer to, two mounting holes, and two mounting holes are offered in annular seal space cavity wall It is located at the inner side and outer side of waterproof case respectively；Two dry electrodes are separately positioned in two mounting holes, and dry electrode and installation Sealing structure is provided between the hole wall of hole.
- 3. the wearable device of detection human ecg signal according to claim 2, it is characterised in that：Positioned at waterproof case The dry electrode of inner side protrudes from waterproof case surface, to ensure fully to contact with human body skin.
- 4. the wearable device of detection human ecg signal according to claim 1, it is characterised in that：Two dry electrodes point It is not cylindrical, dry electrode basal diameter >=10mm.
- 5. the wearable device of detection human ecg signal according to claim 1, it is characterised in that：Two dry electrodes point Do not refer to the dry electrode of impedance type.
- 6. the wearable device of detection human ecg signal according to claim 1, it is characterised in that：The power module Including：For the lithium battery powered to processing module；For being lithium cell charging when charging wire connects, powered when charging wire is not connected with using lithium battery for processing module Charge control module；The charging indicator light for being in charged state/electricity for identifying lithium battery and having been filled with；And it is in the sufficient battery capacity indication lamp of low battery state/electricity for identifying lithium battery.
- 7. the wearable device of detection human ecg signal according to claim 6, it is characterised in that：The wireless signal Transmission circuit refers to Bluetooth transmission circuit；Bluetooth transmission circuit includes：The ecg information drawn for governor circuit processing is sent to the data transmission unit of outside bluetooth equipment；And the status indicator lamp of connection status is in and connected/wait for mark data transmission unit.
- 8. the wearable device of detection human ecg signal according to claim 7, it is characterised in that：The waterproof case It is internally formed annular seal space to refer to, waterproof case includes erecting bed and transparent seal layer, and transparent seal layer is sealingly disposed in erecting bed Outside is to form annular seal space；The erecting bed, which is provided with, to be used to install charging indicator light, battery capacity indication lamp and status indicator lamp Void region.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621319994.4U CN206687707U (en) | 2016-12-02 | 2016-12-02 | Detect the wearable device of human ecg signal |
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| CN201621319994.4U CN206687707U (en) | 2016-12-02 | 2016-12-02 | Detect the wearable device of human ecg signal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106725423A (en) * | 2016-12-02 | 2017-05-31 | 华南理工大学 | A kind of wearable device for detecting human ecg signal |
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- 2016-12-02 CN CN201621319994.4U patent/CN206687707U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106725423A (en) * | 2016-12-02 | 2017-05-31 | 华南理工大学 | A kind of wearable device for detecting human ecg signal |
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