CN205885437U - Fetal movement real -time supervision's device based on electrode array - Google Patents
Fetal movement real -time supervision's device based on electrode array Download PDFInfo
- Publication number
- CN205885437U CN205885437U CN201620580622.0U CN201620580622U CN205885437U CN 205885437 U CN205885437 U CN 205885437U CN 201620580622 U CN201620580622 U CN 201620580622U CN 205885437 U CN205885437 U CN 205885437U
- Authority
- CN
- China
- Prior art keywords
- fetal movement
- array
- electrod
- unit
- amplifying unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model provides an is fetal movement real -time supervision's device based on electrode array mainly by electrode array, multichannel preceding stage amplifying unit, multichannel band -pass filter unit, analog switch and numerical control amplifying unit, microprocessor unit, DC constitutions such as DC voltage conversion unit, SD card memory cell, demonstration and input unit. The utility model discloses can objectively accurately monitor number of times, speed, the power of fetal movement, and be applied to require simple and convenient, can be arranged in family's guardianship for a long time.
Description
Technical field
This utility model patent is related to biomedical sector, concretely relate to a kind of based on electrod-array can be long when
Between for family monitor fetal movement device.
Background technology
The number of times of fetal movement, speed, power etc. are the important indicators of fetus safety, have very important clinical meaning, especially
It is for the fetus of postterm pregnancy and high risk gravida, monitors fetal movement number of times, can conveniently process various emergency situations.At present,
Fm monitoring means mainly have three kinds: the first is that anemia of pregnant woman is subjective counts；Second is the monitoring method based on doppler ultrasound；
The third is the monitoring method based on sensor arrays such as electromagnetic induction, piezoelectricity, impedance detection.Subjective counting is mainly daily
When 8～9,14～15 when, 20～21 when carry out respectively one hour count.But due to most pregnant women limited medical knowledge, note
Meaning power can not be concentrated for a long time, and the factor such as anemia of pregnant woman's sensitivity difference can cause counting error.Doppler ultrasonography on monitoring side
Method is by persistently sending ultrasonic signal to parent abdominal part, according to Doppler effect, the ultrasonic signal receiving when fetal movements
Frequency displacement can occur, by accurate Fetal Movement Signal be can be obtained by the analysis of frequency shift signal.The method accuracy is high and wide
General it is applied to during hospital makes regular check on.However, the method is unfavorable to fetus using complicated and long-time monitoring, inapplicable
In the monitoring of long domestic.The method of the sensor arrays such as electromagnetic induction, piezoelectricity, impedance detection is all that fetal movement is caused parent
The motion of abdominal part is converted into the various signals of telecommunication by various sensors, because the sensitivity of sensor or signal processing method are thick
Rough, the monitoring device of fetal movement of the method does not appear on the market at present.
Electrod-array has been obtained for extensively applying and taking in other portable home use device such as electrocardio, brain electricity, myoelectricity
Obtained certain achievement.Because fetal movement equally can cause parent abdominal part electromyographic signal to change, parent is extracted by electrod-array
The abdominal part signal of telecommunication is analyzed just can extracting Fetal Movement Signal.For now, also electrod-array is not used for fetal movement prison
The method and device surveyed.Therefore, the device of the fetal movement real-time monitoring based on electrod-array has wide market application scenarios.
Content of the invention
This utility model purpose is to propose a kind of fetal movement real-time monitoring device based on electrod-array, objective and accurate meeting
While the number of times of ground monitoring fetal movement, speed, power, also meet domestic monitoring device simplicity, the requirement of persistent period length.
To achieve these goals, technical solutions of the utility model are as follows: a kind of supervised in real time based on the fetal movement of electrod-array
The device surveyed, including the electrod-array to fetal movement information, described electrod-array accesses multiple tracks prime amplifying unit, institute
State multiple tracks prime amplifying unit and access multiple tracks bandpass filtering unit, described multiple tracks bandpass filtering unit accesses analog switch and numerical control
Amplifying unit, described analog switch and numerical control amplifying unit access microprocessor unit, and described microprocessor unit accesses sd card
Storage element, display and input block.Form analogue signal by described electrod-array collection fetal movement information to be amplified, filtering
Afterwards, transfer to described analog switch and numerical control amplifying unit analog digital conversion and amplification, and transmit to described microprocessor unit to tire
The digital signal of dynamic information carries out data processing and control, carries out data preservation by described sd card storage element, by described
Display and input block realize the input of user profile and the display of relevant parameter function.Whole device shell is fine using having
The low density-metal material of electro-magnetic screen function.
Further, described electrod-array includes six electrodes, is attached to upper and lower, left and right, the centre of parent abdominal part respectively
Position and parent back position；, against umbilicuss, the electrode position at back is relative with middle electrode position for the electrode in centre position
Should.
Further, described electrod-array, multiple tracks prime amplifying unit, analog switch and numerical control amplifying unit, microprocessor
Device unit, sd card storage element and display and input block are powered by dc-dc voltage conversion unit.
Further, described sd card storage element is double sd mode card, and two sd cards carry out data to fetal movement information simultaneously
Storage.
Further, the electrode of described electrod-array can be electrocardioelectrode, electromyographic electrode.
Further, described analog switch and numerical control amplifying unit can achieve 1,2,5,10,20,50,100 and 200 amplifications
Multiple selects.
Further, microprocessor unit is also associated with LCDs and buzzer, to realize fetal movement number of times is carried out
Display, carries out warning reminding when fetal movement is abnormal.
Actual gain:
(1) this utility model can detect the temporal information that number of times, speed, power and each fetal movement of fetal movement maintain.This
The Fetal Movement Signal that utility model gets is more accurate than current device, is easy to carry out fetal movement monitoring to anemia of pregnant woman, is conducive to protecting
Demonstrate,prove the birth of its fetal well-being, reduce fetal mortality.
(3) this utility model can realize wearable long-time real-time monitoring, and the state that need not repose.
(4) this utility model simultaneously by the way of double sd cards it is ensured that realizing realizing incessantly the record of data.(5)
This utility model shell using the low density-metal material with fine electro-magnetic screen function, with screened circuit work process itself
The various electromagnetic radiation of middle generation produce impact to fetus and parent.
Brief description:
Fig. 1 is the principle of device block diagram of fetal movement real-time monitoring；
Fig. 2 is analog switch and numerical control amplifying unit node diagram；
Fig. 3 is microprocessor unit control node figure.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment this utility model is further detailed.
A kind of device of the fetal movement real-time monitoring based on electrod-array, as shown in figure 1, before mainly by electrod-array, multiple tracks
Level amplifying unit, multiple tracks bandpass filtering unit, analog switch and numerical control amplifying unit, microprocessor unit, dc-dc voltage conversion
Unit, sd card memory element, display and input block etc. are constituted.It is related that this utility model obtains multiple tracks fetal movement by electrod-array
Information；Multiple tracks prime amplifying unit mainly obtains the fetal movement variable signal that each road is with respect to reference electrode, and realizes amplifying；Multiple tracks
The output signal of multiple tracks prime amplifying unit is mainly filtered by bandpass filtering unit, removes various interference signals, remains with
Fetal Movement Signal；Analog switch and numerical control amplifying unit mainly choose each road letter under the control of microprocessor unit successively
Number, and select the a/d conversion port of feeding microprocessor after suitable amplification；Microprocessor unit is by its internal a/
D converter turns with realizing modulus, and by high precision reference voltage unit by a/d value revise after obtain respective channel letter
Number, then pass through smooth grade and process, finally obtain the information such as fetal movement number of times, speed, power, simultaneously by the primary signal obtaining and
Result is saved on two sd cards；Dc-dc voltage conversion unit is mainly other each unit and provides corresponding supply voltage,
To realize each unit normal work；Display and input block mainly realize the input of user profile under control of the microprocessor
And the function of display relevant parameter.Additionally, being also associated with LCDs and buzzer in microprocessor unit, realize to fetal movement
Number of times is shown, carries out warning reminding when fetal movement is abnormal.
In this utility model, the electrode in electrod-array can be using electrocardioelectrode, electromyographic electrode and other surface electrode.Electricity
The electrodeplate of pole array is six, and six electrodes are attached to upper and lower, left and right, centre position and the parent back of parent abdominal part respectively
Put.Wherein, against umbilicuss, the electrode position at back is corresponding with middle electrode position, the electricity at back for the electrode in centre position
Extremely reference electrode.
Analog switch and numerical control amplifying unit and its control node as shown in Fig. 2 main by analog switch and programmable increasing
Pga117 that beneficial amplifier is integrated and peripheral cell are constituted, mainly can achieve 1 under control of the microprocessor, 2,5,10,
20th, the selection of several amplification in 50,100 and 200, to adapt to different anemia of pregnant woman and trimester of pregnancy.Node pga117_sclk,
Pga117_di, pga117_do, pga117_cs, vin are connected with corresponding node in microprocessor control unit respectively；Simulation is defeated
Ingress chin1, chin2, chin3, chin4, chin5 are connected with multiple tracks bandpass filtering unit corresponding node respectively；Simulation is defeated
Ingress refvoltin is connected with the output node of high-accuracy voltage unit；With supply node av3.3, dv3.3, agnd, gnd
Respectively with the analog power 3.3v in power supply unit, digital power 3.3v, simulation ground, be digitally connected, for this module provide work
Make power supply.
Microprocessor unit is mainly made up of 32-bit microprocessor stm32f103rc and corresponding peripheral cell.Wherein
Stm32f103rc maximum operating frequency is up to 72mhz；Have multiple io interfaces, 256k byte flash memory, the sram of 48k byte；Interior
With a real-time clock rtc, the a/d transducer of 3 12,8 sdio interfaces；In addition, its kernel is advanced
Cortex-m3 kernel, has extremely strong floating-point operation ability and has enhanced dsp process instruction, can be quickly using this point
Realize each coefficient corrected Calculation.Realize amplification and the simulation choosing of each digital-control amplifier using the io port of microprocessor
Select the control of device.Using the 256k byte flash memory of interior band, can be used for storage program, test result and revised calculating system
Number.The real-time clock rtc of interior band can obtain the moment of measurement.It is right that microprocessor unit can be realized using the a/d conversion of band in it
After the process such as amplified, filtering, the voltage of the her abdominal signal of telecommunication measures；And it is defeated to high precision reference voltage unit
Go out voltage just to measure, and with its value as standard, the value of collection is modified, to improve certainty of measurement.Using sdio mouth
Four bit patterns the storage of data is carried out to the read-write of sd card, the sd card interface that sd card can be inserted directly into computer carries out leading of data
Enter.In addition, microprocessor sends corresponding data or control signal to other parts simultaneously；Lcd liquid crystal is controlled to realize various phases
The display of pass information, buzzer warning and carried out data transmission by sdio interface unit.
Microprocessor control node is as shown in Figure 3: the simulation output section of wherein vin and analog switch and numerical control amplifying unit
Point is connected；Input node refvoltin is connected with the output node of high-accuracy voltage unit；Node dd0---dd7, lcd_di,
lcd_rw、lcd_e、lcd_csa、lcd_csb、lcd_rest、lcd_control、tcs、tdout、tdin、tclk、tbusy、
Tpenirq is connected with corresponding node in display and input block respectively；Node sd1io_d0, sd1io_d1, sd1io_d2,
sd1io_d3、sd1io_sck、sd1io_cmd、sd2io_d0、sd2io_d1、sd2io_d2、sd2io_d3、sd2io_sck、
Sd2io_cmd is connected with respective nodes in sd card unit respectively and carries out data transmission；Node pga117_sclk, pga117_di,
Pga117_do, pga117_cs are connected with corresponding node in analog switch and numerical control amplifying unit；Wherein buzzer buzz is micro-
Under the control of processor, realize having fetal movement to send alarm when abnormal；Interface boot and external connection, for controlling microprocessor to exist
It is to enter running status or programming state after upper electricity；Supply node av3.3, dv3.3, gnd, agnd respectively with power supply unit in
High-precision power 3.0v, analog power 3.3v, digital power 3.3v, digitally, simulation ground be connected, for this module offer work
Power supply.
Sd card storage element is double sd mode card, and two sd cards carry out data storage to fetal movement information simultaneously.Two sd cards
All using jumbo sd card, to realize the uninterrupted recording of initial data and analysis result, sampling instant, and can be taken off at any time
Wherein one sd card for home computer or sends reading data to hospital, and can in depth be analyzed the more related letter of acquisition further
Breath, and do not affect the information monitoring to fetus.
The technical scheme above this utility model embodiment being provided is described in detail, used herein specifically
Individual example is set forth to the principle of this utility model embodiment and embodiment, and the explanation of above example is only applicable to help
Assistant solves the principle of this utility model embodiment；Simultaneously for one of ordinary skill in the art, implement according to this utility model
Example, all will change, in sum, this specification content should not be construed as in specific embodiment and range of application
To restriction of the present utility model.
Claims (7)
1. a kind of device of the fetal movement real-time monitoring based on electrod-array is it is characterised in that include to fetal movement information
Electrod-array, described electrod-array accesses multiple tracks prime amplifying unit, and described multiple tracks prime amplifying unit accesses multiple tracks band logical
Filter unit, described multiple tracks bandpass filtering unit accesses analog switch and numerical control amplifying unit, and described analog switch and numerical control are put
Big unit accesses microprocessor unit, and described microprocessor unit accesses sd card storage element, display and input block；
Formed analogue signal and be amplified by described electrod-array collection fetal movement information, after filtering, transfer to described analog switch and
Numerical control amplifying unit analog digital conversion and amplification, and transmit, to described microprocessor unit, line number is entered to the digital signal of fetal movement information
According to processing and controlling, data preservation is carried out by described sd card storage element, user is realized by described display and input block
The input of information and the display of relevant parameter function.
2. a kind of device of fetal movement real-time monitoring based on electrod-array according to claim 1 is it is characterised in that described
Electrod-array includes six electrodes, is attached to upper and lower, left and right, centre position and the back position of parent abdominal part respectively；Interposition
, against umbilicuss, the electrode position at back is corresponding with middle electrode position for the electrode put.
3. a kind of device of fetal movement real-time monitoring based on electrod-array according to claim 1 is it is characterised in that described
Electrod-array, multiple tracks prime amplifying unit, analog switch and numerical control amplifying unit, microprocessor unit, sd card storage element and
Display and input block are powered by dc-dc voltage conversion unit.
4. a kind of device of fetal movement real-time monitoring based on electrod-array according to claim 1 is it is characterised in that described
Sd card storage element is double sd mode card, and two sd cards carry out data storage to fetal movement information simultaneously.
5. according to a kind of fetal movement real-time monitoring based on electrod-array described in claim 1 device it is characterised in that described electricity
The electrode of pole array can be electrocardioelectrode, electromyographic electrode.
6. according to a kind of fetal movement real-time monitoring based on electrod-array described in claim 1 device it is characterised in that described mould
Intend switch and numerical control amplifying unit can achieve that 1,2,5,10,20,50,100 and 200 amplifications select.
7. according to a kind of fetal movement real-time monitoring based on electrod-array described in claim 1 device it is characterised in that described micro-
Processor unit is also associated with LCDs and buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620580622.0U CN205885437U (en) | 2016-06-14 | 2016-06-14 | Fetal movement real -time supervision's device based on electrode array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620580622.0U CN205885437U (en) | 2016-06-14 | 2016-06-14 | Fetal movement real -time supervision's device based on electrode array |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205885437U true CN205885437U (en) | 2017-01-18 |
Family
ID=57767809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620580622.0U Expired - Fee Related CN205885437U (en) | 2016-06-14 | 2016-06-14 | Fetal movement real -time supervision's device based on electrode array |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205885437U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105997095A (en) * | 2016-06-14 | 2016-10-12 | 重庆医科大学 | Method and device for detecting fetal movement in real time based on electrode array |
-
2016
- 2016-06-14 CN CN201620580622.0U patent/CN205885437U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105997095A (en) * | 2016-06-14 | 2016-10-12 | 重庆医科大学 | Method and device for detecting fetal movement in real time based on electrode array |
| CN105997095B (en) * | 2016-06-14 | 2022-10-28 | 重庆医科大学 | Method and device for monitoring fetal movement in real time based on electrode array |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201253199Y (en) | Watch type basal body temperature and sleep quality automatic detection device | |
| JP4987003B2 (en) | Fetal movement information processing apparatus and fetal movement information processing method | |
| CN103445777B (en) | The monitoring method of sleep and fatigue monitoring class watch device and normalization dingus | |
| TWI648029B (en) | Sleep quality monitoring system | |
| TW201336475A (en) | Seizure prediction method, module and device with on-line retraining scheme | |
| CN104545885A (en) | Patch type dynamic electrocardiograph recorder | |
| CN204351815U (en) | A kind of intelligence dresses bracelet | |
| CN203776896U (en) | Low power consumption mobile electrocardio monitoring system | |
| CN101627905A (en) | Noninvasive integrative monitoring analytical method and noninvasive integrative monitoring analytic device for intracranial pressure | |
| CN203467759U (en) | Intelligent pre-warning type protective helmet | |
| CN103211593A (en) | Fetus electrocardio acquisition system based on LABVIEW platform | |
| CN102485171A (en) | Non-invasive attached telemetering electrocardiographic recording method and system having ultra-long record period and ultra-high storage capacity | |
| CN105997095B (en) | Method and device for monitoring fetal movement in real time based on electrode array | |
| CN202950650U (en) | Non-invasive intracranial pressure analysis meter and non-invasive intracranial pressure detection system | |
| CN205885437U (en) | Fetal movement real -time supervision's device based on electrode array | |
| CN104887240B (en) | A kind of method and cardiechema signals monitoring device for monitoring cardiechema signals | |
| CN103519791A (en) | System and method for collecting human body temperature | |
| Zakaria et al. | Fetal movements recording system using accelerometer sensor | |
| CN102068248B (en) | Myocardial excitation contraction coupling time diagnostic apparatus and application thereof | |
| CN211633032U (en) | Intelligent toilet lid device with health data monitoring function | |
| CN203220368U (en) | Individual sport monitor | |
| CN203074695U (en) | Electrocardiograph monitoring, recording and analyzing meter with circuit detecting device | |
| CN1262918A (en) | Portable continuous dynamic fetal heart recording monitor | |
| CN205586019U (en) | Recording stethoscope | |
| CN110292363A (en) | A kind of uterine cavity temperature recorder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20200614 |