CN109259742A

CN109259742A - A kind of obstetrics and gynecology department pregnant woman electronic pulse monitoring bracelet

Info

Publication number: CN109259742A
Application number: CN201811138306.8A
Authority: CN
Inventors: 韩云; 郑艳莉; 鲁晓燕
Original assignee: Nantong First Peoples Hospital
Current assignee: Nantong First Peoples Hospital
Priority date: 2018-09-28
Filing date: 2018-09-28
Publication date: 2019-01-25

Abstract

The invention discloses a kind of obstetrics and gynecology department pregnant woman electronic pulses to monitor bracelet, including circuit integration shell, the both ends lower surface of circuit integration shell is fixedly connected to hand strap, the lower surface of circuit integration shell offers lower mounting groove, the inner wall of lower mounting groove is fixedly installed with piezoelectric ceramic piece, the induction end of piezoelectric ceramic piece extends to the lower surface of circuit integration shell, the upper surface of circuit integration shell offers mounting groove, the inner wall of upper mounting groove is fixedly installed with transparent toughened glass, and the lower surface of transparent toughened glass is fixedly connected with charactron.Obstetrics and gynecology department pregnant woman's electronic pulse monitors bracelet, reach and background server is transmitted to by wireless signal transceiver to the pulse data after each processing of circuit, medical worker or family members can remotely monitor the pulse information of pregnant woman by background server, make corresponding quick solution convenient for the physical condition problem to pregnant woman.

Description

A kind of obstetrics and gynecology department pregnant woman electronic pulse monitoring bracelet

Technical field

The present invention relates to gynemetrics's technical fields, more specifically, it relates to which a kind of obstetrics and gynecology department pregnant woman electronic pulse is supervised Survey bracelet.

Background technique

Gynemetrics is one of big main subject of clinical medicine four, the main cause of disease for studying disease of female genital organs, pathology, The prevention and diagnosis and treatment of diagnosis and prevention and treatment, gestation, the physiology of childbirth and pathological change, high risk pregnancy and difficult labour, interior point of female reproduction It secretes, family planning and health care of women etc..

At present pregnant woman gynemetrics wait producing or daily inspection in, most of accompanied and do by relatives or medical worker Items inspection, but check and be easy to be lined up since number is more and check that the consuming time is longer, and pregnant woman is easy in daily looked after There are various small situations, pregnant woman herself is also not easy to discover sometimes, and human pulse can be with body heath and mood not Together, jumping frequency rate also can timely reflect the present situation of human body with difference, and pregnant woman is then even more so, by When mood changes, beat pulse frequency is changed correspondingly, so needing one kind that can carry out detection transmission to pregnant woman's pulse in real time Bracelet；

Meanwhile common bracelet material can be with soft increase, it is easy to bond together with the skin of human body, this holds very much The problem of easily causing the poor air permeability of bracelet.

Summary of the invention

In view of the deficiencies of the prior art, the present invention intends to provide a kind of obstetrics and gynecology department pregnant woman electronic pulse prison Bracelet is surveyed, has the characteristics that real-time detection remote transmission pregnant woman pulse information and bracelet gas permeability are preferable.

To achieve the above object, the present invention provides the following technical scheme that

A kind of obstetrics and gynecology department pregnant woman electronic pulse monitoring bracelet, including circuit integration shell, the both ends of circuit integration shell Lower surface is fixedly connected to hand strap, and the lower surface of circuit integration shell offers lower mounting groove, and the inner wall of lower mounting groove is fixed Piezoelectric ceramic piece is installed, the induction end of piezoelectric ceramic piece extends to the lower surface of circuit integration shell, circuit integration shell Upper surface offers mounting groove, and the inner wall of upper mounting groove is fixedly installed with transparent toughened glass, the following table of transparent toughened glass Face is fixedly connected with charactron, and one end inner roof wall of circuit integration shell is fixedly installed with button power supply, circuit integration shell One end inner roof wall is fixedly installed with wireless signal transceiver.

The inside of circuit integration shell is respectively arranged with pulse analog circuit, pulse quadruplicated frequency circuit and door, pulse counting Circuit, clock signal generating circuit, power circuit, timing circuit, enable signal latch cicuit, clear circuit, control circuit and Digital pipe display circuit, clear circuit and enable signal latch cicuit are electrically connected, enable signal latch cicuit and control circuit It is electrically connected, control circuit is electrically connected with door.

Further, piezoelectric ceramic piece and pulse analog circuit are electrically connected, pulse analog circuit respectively with four times of pulse Frequency circuit and clock signal generating circuit are electrically connected, and power circuit and pulse quadruplicated frequency circuit are electrically connected, pulse quadruple Circuit is electrically connected with door, and in pulse quadruplicated frequency circuit, input pulse is inputted by A point, squeezes into D by clock CLK rising edge Trigger 1,1 output signal B of d type flip flop, B signal are driven into next stage d type flip flop 2, d type flip flop in the rising of next clock 2 output signal C, then by B, C signal exclusive or, the frequency-doubled signal that pulse width is a clock cycle can be obtained.

Further, it is electrically connected with door and pulse counting circuit, pulse counting circuit mainly uses two decimal system meters Number device 74LS160, ENT, ENP are the enable end of chip, and when ENT, ENP connect high level, chip is in running order, connects low electricity Usually in a dormant state, by this two terminations high level, it is made to work always, CLR is clear terminal, CLR=0, QA~QD output It is 0, CLR=1, chip works normally, and LOAD is to synchronize and set several ends, and low level is effective, when LOAD is low, and has failing edge When, the just parallel merging of tetra- numbers of A, B, C, D is exported from QA, QB, QC, QD, and RCO is carry end, i.e., when becoming 0 from 9, occurs one A high level.

Further, clock signal generating circuit and timing circuit are electrically connected, and timing circuit and enable signal latch electricity Road is electrically connected, and in time control circuit, 74LS161 is a hexadecimal counter, and ENT, ENP and A connect high level, Making chip operation, A, B, C, D connect low level, i.e., when LOAD is low level, 74LS161 sets 1, and the CLR of chip meets R3 and switch, Clear circuit is formed, when the switch is closed, CLR=1, chip normally counts, and when the switch is opened, CL, R=0 chip is reset.

Further, clock signal generating circuit is the multivibrator made of NE555P, in order to obtain duty ratio For 50% rectangular wave, R1=R2=10k, when capacitor charging, charge circuit is that VCC-R1-C-GND is put when capacitor discharges Electrical circuit is C-R2-GND, and cycle of oscillation is codetermined by R1, R2, C；

After being powered up, capacitor C is electrically charged Vcc, and vc rises, and when vc rises above 2/3Vcc, trigger is answered Position, discharge tube T conducting, v0 is low level at this time, and capacitor C passes through and R2, T electric discharge, declines Vc, when vc drops to less than 1/ When 3Vcc, trigger is set, and v0 overturning is high level, and capacitor C electric discharge terminates, capacitor C discharge time, charging time and frequency Formula are as follows:

Generate waveform

Period:

T=0.7 (R1+R2)=0.7 × (6.8+6.8) × 0.1=1.008ms,

F=1/T=1KHZ.

Further, pulse counting circuit electrically connects with digital pipe display circuit and wireless signal transceiver respectively It connects, the timing circuit that digital pipe display circuit is constituted using 555 integrated timers and Cf, C, R1, R2, output end (3 foot) connects Non- to be connected behind the door with the TE of R1, R2 (4 foot), usually, 555 output is low level, through it is non-be behind the door high level, make R12, R15 counting is forbidden, and when pressing S1,555 output becomes high level (through non-behind the door for low level), and C1 charges through R1, R2, fixed When, at the same time, R1, R2 allow to count pulse and enter, and after 60 seconds, 555 output becomes low level again, stops counter Only count, at this point, the count results of numeral method are the number of beat pulse in one minute, C1, R1 form clear circuit, For guaranteeing to connect moment in power supply, R1, R2 automatically reset clearing.

Further, the other end inner roof wall of circuit integration shell is fixedly installed with GPS locator, GPS locator and knob Detain power supply to be electrically connected, the parameter of GPS locator: model includes MK6, size: 45*18 (mm), uses the time: 360 (h), it is fixed Position precision: 5m.

Further, GPS locator is electrically connected with background server, background server wireless signal transceiver electricity Property connection.

Further, the making material of hand strap includes silica gel, the production method of silica gel are as follows: S1, puts prepared raw material Enter or inject in preset mold, the inner wall of mold is in strip flat shape, has arc-shaped steel disc, temperature heating in mold suspension To 206~220 DEG C, through the board pressure heating time between 1550 seconds~1650 seconds, depanning obtains embryo material；

S2, the adjustment hole of circular air hole and such as watchband size is opened up out on the surface of embryo material, in embryo material and human body The surface of skin-worn contact is fixedly connected with cavernous body, and the width of cavernous body is equal to the width of embryo material.

Further, silica gel main material 70%, other are negative ion powder, far-infrared powder, anti-wear agent, titanium powder, vulcanization Agent, pigment, reinforcing filler, gross mass proportion are 100%.

In conclusion the invention has the following advantages:

1, it is electrically connected, has been reached using piezoelectric ceramic piece to pregnant woman by setting piezoelectric ceramic piece and pulse analog circuit Pulse signal is incuded and is acquired, and can simulate pulse with continuous clock signal, simulates an arteries and veins with a clock signal The Pulse Rate that 1min is detected in s may be implemented by quadruplicated frequency circuit in the input fought, thus with real-time detection pulse Feature.

2, it is electrically connected with background server by the way that GPS locator is arranged, background server and wireless signal transmitting receive Device is electrically connected, and has been reached and has been transmitted to backstage by wireless signal transceiver to the pulse data after each processing of circuit Server, medical worker or family members can remotely monitor the pulse information of pregnant woman by background server, convenient for the body to pregnant woman Body condition problem makes corresponding quick solution.

3, the adjustment hole that circular air hole and such as watchband size are opened up out by the way that the surface of embryo material is arranged in, in embryo material It is fixedly connected with cavernous body with the surface of human skin wear contact, and the width of cavernous body is equal to the width of embryo material, utilizes silicon The resilient flexible of glue, which reaches, wears pregnant woman, meanwhile, it is directly produced with fluid silicone rubber Jet forming machine, loads onto machinery Afterwards, the flowing of entire material is carried out in the state of sealing, is not needed manpower intervention, therefore will not be contaminated, is made It is all to make vulcanizer with platinum with the material of this technique, the feature of environmental protection is very good, answers in higher-end businesses such as medical treatment, infant's products With very extensive.

Detailed description of the invention

Fig. 1 is schematic structural view of the invention；

Fig. 2 is quadruple logical circuitry of the present invention；

Fig. 3 is pulse counting circuit diagram of the present invention；

Fig. 4 is time control circuit figure of the present invention；

Fig. 5 is multi-harmonic-oscillations logical circuitry of the present invention；

Fig. 6 is coding display circuit diagram of the present invention；

Fig. 7 is that electronic pulse of the present invention counts device logic circuit analogous diagram；

Fig. 8 is circuit integration shell structure cross-sectional view of the present invention.

In figure: 1, circuit integration shell；2, hand strap；3, lower mounting groove；4, piezoelectric ceramic piece；5, upper mounting groove；6, transparent Tempered glass；7, charactron；8, button power supply；9, wireless signal transceiver；10, GPS locator；11, background server.

Specific embodiment

Embodiment:

Below in conjunction with attached drawing 1-8, invention is further described in detail.

A kind of obstetrics and gynecology department pregnant woman electronic pulse monitoring bracelet, as shown in figures 1-8, including circuit integration shell 1, circuit collection It is threaded with mosquito repellent shell at the both ends outer surface of shell 1, mosquito repellent shell is internally provided with anophelifuge medicament, circuit integration The both ends lower surface of shell 1 is fixedly connected to hand strap 2, and the making material of hand strap 2 includes silica gel, the production method of silica gel are as follows: S1, prepared raw material is inserted or injected into preset mold, the inner wall of mold is in strip flat shape, is had in mold suspension Arc-shaped steel disc, temperature are heated to 206~220 DEG C, through the board pressure heating time between 1550 seconds~1650 seconds, depanning Obtain embryo material.

S2, the adjustment hole of circular air hole and such as watchband size is opened up out on the surface of embryo material, in embryo material and human body The surface of skin-worn contact is fixedly connected with cavernous body, and the width of cavernous body is equal to the width of embryo material, silica gel main material 70%, Other are negative ion powder, and far-infrared powder, anti-wear agent, titanium powder, vulcanizing agent, pigment, reinforcing filler, gross mass, which matches, is 100%, the surface by the way that embryo material is arranged in opens up out circular air hole and the adjustment hole such as watchband size, in embryo material and people The surface of body skin-worn contact is fixedly connected with cavernous body, and the width of cavernous body is equal to the width of embryo material, utilizes silica gel Resilient flexible, which reaches, wears pregnant woman, meanwhile, it is directly produced with fluid silicone rubber Jet forming machine, it is whole after loading onto machinery The flowing of a material is carried out in the state of sealing, does not need manpower intervention, therefore will not be contaminated, use is this The material of technique is all to make vulcanizer with platinum, and the feature of environmental protection is very good, the high-end industrial applications such as medical treatment, infant's product very Extensively.

The lower surface of circuit integration shell 1 offers lower mounting groove 3, and the inner wall of lower mounting groove 3 is fixedly installed with piezoelectricity pottery Tile 4, the induction end of piezoelectric ceramic piece 4 extend to the lower surface of circuit integration shell 1, and the upper surface of circuit integration shell 1 is opened Equipped with upper mounting groove 5, the inner wall of upper mounting groove 5 is fixedly installed with transparent toughened glass 6, and the lower surface of transparent toughened glass 6 is solid Surely it is connected with charactron 7, one end inner roof wall of circuit integration shell 1 is fixedly installed with button power supply 8, circuit integration shell 1 One end inner roof wall is fixedly installed with wireless signal transceiver 9.

The inside of circuit integration shell 1 is respectively arranged with pulse analog circuit, pulse quadruplicated frequency circuit and door, sphygmometer Number circuit, clock signal generating circuit, power circuit, timing circuit, enable signal latch cicuit, clear circuit, control circuit With 7 display circuit of charactron, piezoelectric ceramic piece 4 and pulse analog circuit are electrically connected, pulse analog circuit respectively with pulse four Frequency multiplier circuit and clock signal generating circuit are electrically connected, and power circuit and pulse quadruplicated frequency circuit are electrically connected, and four times of pulse Frequency circuit is electrically connected with door, and in pulse quadruplicated frequency circuit, input pulse is inputted by A point, is squeezed by clock CLK rising edge D type flip flop 1,1 output signal B of d type flip flop, B signal are driven into next stage d type flip flop 2, D triggering in the rising of next clock 2 output signal C of device, then by B, C signal exclusive or, the frequency-doubled signal that pulse width is a clock cycle, pulse four can be obtained Frequency multiplier circuit working principle are as follows: when a point is that low level is stablized, b point is 0, a=b, c=0, when a is by low get higher, first Exclusive or output is height, gives capacitor charging, and b point voltage gradually rises, and when voltage reaches the threshold voltage 2V of XOR gate, c point is Low, high level time is determined jointly by R1, the value of C1, when a point from high to low when, b point voltage is constant, and capacitor starts to discharge, At this point, a=！B, c point current potential are height, send a telegraph pressure less than 2V until capacitor discharges, the jump of c point is low, whole process composition one Two frequency multiplier circuits, two two frequency multiplier circuits constitute a quadruplicated frequency circuit, input the rectangular wave of pulse signal 250HZ, T= 4ms.The high level of two frequency multiplier circuit of prime should be 2ms.

It is computed: TW=0.7RC=0.7 × 6K × 0.47uF=1.974ms.

To make rising edge be evenly distributed, the high level of second level frequency multiplier circuit should be less than 1/2TW.And if capacitor is excessive, Waveform, which is likely to occur, loses step phenomenon, still the rising edge that only needs to be evenly distributed, so: TW2=0.7RC=0.7 × 0.23K × 0.47uF=0.075ms, is electrically connected with door and pulse counting circuit, and pulse counting circuit mainly uses two ten System Counter 74LS160, ENT, ENP are the enable end of chip, and when ENT, ENP connect high level, chip is in running order, When connecing low level in a dormant state, by this two terminations high level, it is made to work always, CLR is clear terminal, CLR=0, QA~ QD output is 0, CLR=1, and chip works normally, and LOAD is to synchronize and set several ends, and low level is effective, when LOAD is low, and has decline Along when coming, the just parallel merging of tetra- numbers of A, B, C, D exports, RCO is carry end, i.e., when becoming 0 from 9, out from QA, QB, QC, QD An existing high level, clock signal generating circuit and timing circuit are electrically connected, timing circuit and enable signal latch cicuit electricity Property connection, in time control circuit, 74LS161 is a hexadecimal counter, and ENT, ENP and A connect high level, makes core Piece work, A, B, C, D connect low level, i.e., when LOAD is low level, 74LS161 sets 1, and the CLR of chip connects R3 and switch, composition Clear circuit, when the switch is closed, CLR=1, chip normally count, and when the switch is opened, CL, R=0 chip is reset, clock letter Number generation circuit is the multivibrator made of NE555P, the rectangular wave that duty ratio is 50% in order to obtain, R1=R2= 10k, when capacitor charging, charge circuit is VCC-R1-C-GND, and when capacitor discharges, discharge loop is C-R2-GND, oscillation week Phase is codetermined by R1, R2, C.

Generate waveform

Period:

T=0.7 (R1+R2)=0.7 × (6.8+6.8) × 0.1=1.008ms,

F=1/T=1KHZ, pulse counting circuit are electric with 7 display circuit of charactron and wireless signal transceiver 9 respectively Property connection, the timing circuit that 7 display circuit of charactron is constituted using 555 integrated timers and Cf, C, R1, R2, output end (3 Foot) connect it is non-be connected behind the door with the TE of R1, R2 (4 foot), usually, 555 output is low level, through it is non-be behind the door high level, make R12, R15 counting are forbidden, and when pressing S1,555 output becomes high level (through non-behind the door for low level), and C1 is filled through R1, R2 Electricity periodically starts, and at the same time, R1, R2 allow to count pulse and enter, and after 60 seconds, 555 output becomes low level again, makes to count Number device stops counting, at this point, the count results that charactron 7 is shown are the number of beat pulse in one minute, C1, R1 composition are clear Zero circuit, for guaranteeing to connect moment in power supply, R1, R2 automatically reset clearings, and clear circuit and enable signal latch cicuit are electric Property connection, enable signal latch cicuit and control circuit be electrically connected, control circuit be electrically connected with door, pass through setting piezoelectricity Potsherd 4 and pulse analog circuit are electrically connected, and have reached and pregnant woman's pulse signal is incuded and adopted using piezoelectric ceramic piece 4 Collection, can simulate pulse with continuous clock signal, and the input of a pulse is simulated with a clock signal, pass through quadruple electricity The Pulse Rate that 1min is detected in 15s may be implemented in road, thus have the characteristics that real-time detection pulse, circuit integration shell 1 Other end inner roof wall is fixedly installed with GPS locator 10, and GPS locator 10 and button power supply 8 are electrically connected, GPS locator 10 Parameter: model includes MK6, size: 45*18 (mm), uses the time: 360 (h), positioning accuracy: 5m, GPS locator 10 is electrically It is connected with background server 11, background server 11 and wireless signal transceiver 9 are electrically connected, by the way that GPS positioning is arranged Device 10 is electrically connected with background server 11, and background server 11 and wireless signal transceiver 9 are electrically connected, and has reached pair Pulse data after each processing of circuit is transmitted to background server 11, medical worker by wireless signal transceiver 9 Or family members can remotely monitor the pulse information of pregnant woman by background server 11, make convenient for the physical condition problem to pregnant woman Corresponding quick solution.

This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this All by the protection of Patent Law in the scope of the claims of invention.

Claims

1. a kind of obstetrics and gynecology department pregnant woman electronic pulse monitors bracelet, including circuit integration shell (1), it is characterised in that: the electricity The both ends lower surface of road integrated housing (1) is fixedly connected to hand strap (2), and the lower surface of the circuit integration shell (1) opens up Have lower mounting groove (3), the inner wall of the lower mounting groove (3) is fixedly installed with piezoelectric ceramic piece (4), the piezoelectric ceramic piece (4) Induction end extend to the lower surface of circuit integration shell (1), the upper surface of the circuit integration shell (1) offers installation The inner wall of slot (5), the upper mounting groove (5) is fixedly installed with transparent toughened glass (6), under the transparent toughened glass (6) Surface is fixedly connected with charactron (7), and one end inner roof wall of the circuit integration shell (1) is fixedly installed with button power supply (8), One end inner roof wall of the circuit integration shell (1) is fixedly installed with wireless signal transceiver (9)；

The inside of the circuit integration shell (1) is respectively arranged with pulse analog circuit, pulse quadruplicated frequency circuit and door, pulse Counting circuit, clock signal generating circuit, power circuit, timing circuit, enable signal latch cicuit, clear circuit, control electricity Road and charactron (7) display circuit, the clear circuit and enable signal latch cicuit are electrically connected, and the enable signal latches Circuit and control circuit are electrically connected, and the control circuit is electrically connected with door.

2. obstetrics and gynecology department pregnant woman electronic pulse according to claim 1 monitors bracelet, it is characterised in that: the piezoelectric ceramics Piece (4) and pulse analog circuit are electrically connected, and the pulse analog circuit is produced with pulse quadruplicated frequency circuit and clock signal respectively Raw circuit is electrically connected, and the power circuit and pulse quadruplicated frequency circuit are electrically connected, the pulse quadruplicated frequency circuit with door It is electrically connected, in pulse quadruplicated frequency circuit, input pulse is inputted by A point, squeezes into d type flip flop 1, D touching by clock CLK rising edge 1 output signal B of device is sent out, B signal is driven into next stage d type flip flop 2 in the rising of next clock, 2 output signal C of d type flip flop, Again by B, C signal exclusive or, the frequency-doubled signal that pulse width is a clock cycle can be obtained.

3. obstetrics and gynecology department pregnant woman electronic pulse according to claim 1 monitors bracelet, it is characterised in that: described and door and arteries and veins Counting circuit of fighting is electrically connected, and it is chip that pulse counting circuit, which mainly uses two decade counters 74LS160, ENT, ENP, Enable end, when ENT, ENP connect high level, chip is in running order, when connecing low level in a dormant state, by this both ends High level is connect, it is made to work always, CLR is clear terminal, and CLR=0, QA~QD output are 0, CLR=1, and chip works normally, LOAD is to synchronize to set several ends, and low level is effective, and when LOAD is low, and has failing edge, tetra- numbers of A, B, C, D are just set parallel Enter, exported from QA, QB, QC, QD, RCO is carry end, i.e., when becoming 0 from 9, a high level occurs.

4. obstetrics and gynecology department pregnant woman electronic pulse according to claim 1 monitors bracelet, it is characterised in that: the clock signal Generation circuit and timing circuit are electrically connected, and the timing circuit and enable signal latch cicuit are electrically connected, and are controlled in timing In circuit, 74LS161 is a hexadecimal counter, and ENT, ENP and A connect high level, make chip operation, and A, B, C, D connect Low level, i.e., when LOAD is low level, 74LS161 sets 1, and the CLR of chip meets R3 and switch, forms clear circuit, works as switch When closure, CLR=1, chip is normally counted, and when the switch is opened, CL, R=0 chip is reset.

5. obstetrics and gynecology department pregnant woman electronic pulse according to claim 1 monitors bracelet, it is characterised in that: the clock signal Generation circuit is the multivibrator made of NE555P, the rectangular wave that duty ratio is 50% in order to obtain, R1=R2= 10k, when capacitor charging, charge circuit is VCC-R1-C-GND, and when capacitor discharges, discharge loop is C-R2-GND, oscillation week Phase is codetermined by R1, R2, C；

After being powered up, capacitor C is electrically charged Vcc, and vc rises, and when vc rises above 2/3Vcc, trigger is reset, and puts Fulgurite T conducting, v0 is low level at this time, and capacitor C passes through and R2, T electric discharge, declines Vc, when vc drops to less than 1/3Vcc, Trigger is set, and v0 overturning is high level, and capacitor C electric discharge terminates, capacitor C discharge time, charging time and frequency formula are as follows:

Generate the period of waveform:

T=0.7 (R1+R2)=0.7 × (6.8+6.8) × 0.1=1.008ms,

F=1/T=1KHZ.

6. obstetrics and gynecology department pregnant woman electronic pulse according to claim 1 monitors bracelet, it is characterised in that: the pulse counting Circuit is electrically connected with charactron (7) display circuit and wireless signal transceiver (9) respectively, charactron (7) display circuit The timing circuit constituted using 555 integrated timers and Cf, C, R1, R2, output end (3 foot) meet the non-TE with R1, R2 behind the door (4 foot) is connected, and usually, 555 output is low level, through it is non-be behind the door high level, forbid R12, R15 counting, when pressing When S1,555 output becomes high level (through non-behind the door for low level), and C1 charges through R1, R2, periodically starts, at the same time, R1, R2 allow to count pulse and enter, and after 60 seconds, 555 output becomes low level again, make counter stop counting, at this point, digital The count results of pipe (7) display are the number of beat pulse in one minute, and C1, R1 form clear circuit, for guaranteeing in electricity Moment is connected in source, and R1, R2 automatically reset clearing.

7. obstetrics and gynecology department pregnant woman electronic pulse according to claim 1 monitors bracelet, it is characterised in that: the circuit integration The other end inner roof wall of shell (1) is fixedly installed with GPS locator (10), the GPS locator (10) and button power supply (8) electricity Property connection, the parameter of the GPS locator (10): model includes MK6, size: 45*18 (mm), use the time: 360 (h), it is fixed Position precision: 5m.

8. obstetrics and gynecology department pregnant woman electronic pulse according to claim 7 monitors bracelet, it is characterised in that: the GPS positioning Device (10) is electrically connected with background server (11), and the background server (11) and wireless signal transceiver (9) are electrically Connection.

9. obstetrics and gynecology department pregnant woman electronic pulse according to claim 1 monitors bracelet, it is characterised in that: the hand strap (2) Making material include silica gel, the production method of the silica gel are as follows: prepared raw material S1, is inserted or injected into preset mold In, the inner wall of mold is in strip flat shape, has arc-shaped steel disc in mold suspension, temperature is heated to 206~220 DEG C, passes through The board pressure heating time, depanning obtained embryo material between 1550 seconds~1650 seconds；

S2, the adjustment hole of circular air hole and such as watchband size is opened up out on the surface of embryo material, in embryo material and human skin The surface of wear contact is fixedly connected with cavernous body, and the width of cavernous body is equal to the width of embryo material.

10. the production method of silica gel according to claim 9, it is characterised in that: the silica gel main material 70%, other are negative Ion powder, far-infrared powder, anti-wear agent, titanium powder, vulcanizing agent, pigment, reinforcing filler, gross mass proportion are 100%.