CN104083180B - A kind of ultrasonic fetal gage - Google Patents
A kind of ultrasonic fetal gage Download PDFInfo
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- CN104083180B CN104083180B CN201410364295.0A CN201410364295A CN104083180B CN 104083180 B CN104083180 B CN 104083180B CN 201410364295 A CN201410364295 A CN 201410364295A CN 104083180 B CN104083180 B CN 104083180B
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- ultrasonic
- loudspeaker
- operational amplifier
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Abstract
The application provides a kind of ultrasonic fetal gage, comprise shell, be arranged on the ultrasonic transducer that receives ultrasonic reflections signal on this shell and export the heartbeat signal of heart of fetus, the heartbeat signal for ultrasonic transducer is exported being connected with ultrasonic transducer carries out amplifying signal gain module, the heartbeat signal for signal gain module is exported being connected with signal gain module carries out the power amplifier gain module of power amplification and is arranged on this shell for utilizing the heartbeat signal of power amplifier gain module output to send the loudspeaker of the sound of beating, and be provided with damping part between loudspeaker and shell, be delivered to shell with the vibration that stops loudspeaker, can avoid loudspeaker to cause interference to ultrasonic transducer, also just loudspeaker and ultrasonic transducer can be arranged in same shell, because these parts exist together in a shell, also just can solve the larger problem of existing ultrasonic fetal gage volume.
Description
Technical field
The application relates to technical field of medical instruments, more particularly, relates to a kind of ultrasonic fetal gage.
Background technology
Ultrasonic fetal gage is the whether normal electronic medical equipment of a kind of monitoring fetal heartbeat, applies very generalTime, because the resonance between its ultrasonic transducer and loudspeaker fails to solve always, therefore can not be by bothBe set together, ultrasonic transducer and loudspeaker must be separately positioned in two shells to avoid interference,Thereby volume is larger.
Summary of the invention
In view of this, the application provides a kind of ultrasonic fetal gage, to solve existing ultrasonic fetal gage volumeLarger problem.
To achieve these goals, the existing scheme proposing is as follows:
A kind of ultrasonic fetal gage, comprising:
Shell;
Ultrasonic transducer, is arranged on described shell, for the ultrasonic wave returning from heart of fetus is carried outConversion, output heartbeat signal;
Signal gain module, is arranged in described shell, its signal input part and described ultrasonic transducerSignal output part is connected, for described heartbeat signal being amplified and exporting heartbeat audio signal;
Power amplifier gain module, is arranged in described shell, its signal input part and described signal gain moduleSignal output part be connected, for the power of described heartbeat audio signal is amplified;
Loudspeaker, is arranged on described shell, the signal of its signal input part and described power amplifier gain moduleOutput is connected, for send the sound of beating of described heart of fetus according to described heartbeat audio signal;
Damping part, is arranged between described loudspeaker and described shell, for the sound of beating described in blockingTo described shell transmission.
Preferably, described damping part comprises:
Beam, is arranged on the connecting portion of described loudspeaker and described shell.
Preferably, described beam is Rubber shock-absorbing pad.
Preferably, described shell is plastic casing.
Preferably, described ultrasonic transducer is arranged on one end of described shell, and described loudspeaker is arranged on instituteState the other end of shell.
Preferably, described signal gain module comprises:
The first operational amplifier, the reverse input end of described the first amplifier is as described signal gain moduleSignal input part;
The second operational amplifier, its positive input is connected with the output of described the first operational amplifier;
The 3rd operational amplifier, its positive input is connected with the output of described the second operational amplifier;
Four-operational amplifier, its positive input is connected with the output of described the 3rd operational amplifier;
The output of described four-operational amplifier is as the signal output part of described signal gain module.
Preferably, described signal gain module comprises:
TLC2274 type amplifier chip;
Described TLC2274 type amplifier chip is provided with described the first operational amplifier, described the second computing is putLarge device, described the 3rd operational amplifier and described four-operational amplifier.
Preferably, described power amplifier gain module comprises:
Power amplifier, its positive input is connected with the signal input part of described signal gain module.
Preferably, described power amplifier is LM386 type power amplifier.
Preferably, also comprise:
SPK loudspeaker socket, for connecting signal output part and the described loudspeaker of described power amplifier gain moduleSignal input part.
Can find out from technique scheme, the application provides a kind of ultrasonic fetal gage, comprise shell,Be arranged on the ultrasonic transduction that receives ultrasonic reflections signal on this shell and export the heartbeat signal of heart of fetusDevice, the letter for the heartbeat signal of ultrasonic transducer output is amplified being connected with ultrasonic transducerNumber gain module, be connected with signal gain module for the heartbeat signal to the output of signal gain moduleCarry out the power amplifier gain module of power amplification and be arranged on this shell for utilizing the output of power amplifier gain moduleHeartbeat signal send the loudspeaker of the sound of beating, and be provided with damping part between loudspeaker and shell,Be delivered to shell with the vibration that stops loudspeaker, can avoid loudspeaker to cause interference to ultrasonic transducer,Also just loudspeaker and ultrasonic transducer can be arranged in same shell, because these parts exist together oneIn shell, also just can solve the larger problem of existing ultrasonic fetal gage volume.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, below will be to realityThe accompanying drawing of executing required use in example or description of the Prior Art is briefly described, apparently, belowAccompanying drawing in description is only some embodiment of the application, for those of ordinary skill in the art,Do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structure chart of a kind of ultrasonic fetus-voice meter that Fig. 1 provides for the embodiment of the present application;
The structure chart of a kind of signal gain module that Fig. 2 provides for the embodiment of the present application;
The structure chart of a kind of power amplifier gain module that Fig. 3 provides for the embodiment of the present application.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried outDescribe clearly and completely, obviously, described embodiment is only some embodiments of the present application, andNot whole embodiment. Based on the embodiment in the application, those of ordinary skill in the art are not doingGo out the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the application's protection.
Embodiment mono-
The structure chart of a kind of ultrasonic fetus-voice meter that Fig. 1 provides for the embodiment of the present application.
As shown in Figure 1, the ultrasonic fetus-voice meter that the present embodiment provides comprise shell 10, ultrasonic transducer 20,Signal gain module 30, power amplifier gain module 40, loudspeaker 50 and damping part 60.
Wherein, signal gain module 30, power amplifier gain module 40 are all arranged in this shell 10, ultrasonicTransducer 20 is fixed on shell 10, and its ultrasonic wave receiving terminal is towards the outside of shell 10, so that willThis ultrasonic wave receiving terminal is pressed close to pregnant woman's health. In order to reduce the weight of ultrasonic fetal gage, shell 10 is preferredThe light and higher plastic casing of intensity of weight.
Ultrasonic transducer 20 is for the ultrasonic wave transmitter module (not shown) transmitting to this ultrasonic fetus-voice meterThe ultrasonic wave of ultrasonic wave after heart of fetus reflection detect, and be converted into the heart of heart of fetusJump signal.
The signal input part of signal gain module 30 is connected with the signal output part of ultrasonic transducer 20,Ultrasonic transducer 20 outputs to signal gain module 30 by its signal output part by heartbeat signal, and signal increasesBenefit module 30 is amplified enhancing to it, then the heartbeat signal amplifying after strengthening is outputed to power amplifier gainModule 40.
The signal input part of power amplifier gain module 40 is connected with the signal output part of signal gain module 30,Carry out power amplification for the heartbeat signal after signal gain module is amplified, then export by its signalEnd outputs to loudspeaker 50.
The signal input part of loudspeaker 50 is connected with the signal output part of power amplifier gain module 40, forHeartbeat signal after utilizing power that power amplifier gain module 40 exports to strengthen sends the ticktack of heart of fetusSound.
Loudspeaker 50 is arranged on shell 10, and its audio emission mouth is towards the outside of shell 10, so that doctorLife can be heard this sound of beating. Between loudspeaker 50 and shell 10, be also provided with damping part 60, withThe vibration that blocking-up loudspeaker 50 produces in the time of sounding is transmitted to shell 10.
This damping part 60 is preferably arranged on the beam between loudspeaker 50 and shell 10 or is referred to asCushion pad can be blocked vibration wave in the time of loudspeaker vibration. Beam preferred rubber beam. CertainlyOther forms of damping facility or parts are all within the application's protection domain.
Can find out from technique scheme, the present embodiment provides a kind of ultrasonic fetal gage, comprise shell,Be arranged on the ultrasonic transduction that receives ultrasonic reflections signal on this shell and export the heartbeat signal of heart of fetusDevice, the letter for the heartbeat signal of ultrasonic transducer output is amplified being connected with ultrasonic transducerNumber gain module, be connected with signal gain module for the heartbeat signal to the output of signal gain moduleCarry out the power amplifier gain module of power amplification and be arranged on this shell for utilizing the output of power amplifier gain moduleHeartbeat signal send the loudspeaker of the sound of beating, and be provided with damping part between loudspeaker and shell,Be delivered to shell with the vibration that stops loudspeaker, can avoid loudspeaker to cause interference to ultrasonic transducer,Also just loudspeaker and ultrasonic transducer can be arranged in same shell, because these parts exist together oneIn shell, also just can solve the larger problem of existing ultrasonic fetal gage volume.
Signal gain module in the present embodiment comprise the first operational amplifier D1 that function and structure is identical,The second operational amplifier D2, the 3rd operational amplifier D3 and four-operational amplifier D4, as shown in Figure 2.
Wherein, the reverse input end of the first operational amplifier D1 is defeated as the signal of signal gain module 30Enter end 31, output is connected with the positive input of the second operational amplifier D2; The second operation amplifierThe output of device D2 is connected with the positive input of the 3rd operational amplifier D3; The 3rd operational amplifierThe output of D3 is connected with the positive input of four-operational amplifier D4; Four-operational amplifier D4Output as the signal output part 32 of this signal gain module 30. Put in order to coordinate above-mentioned four computingsThe normal work of large device, the periphery of each operational amplifier is provided with the periphery components and parts of guarantee work,For example resistance, electric capacity, and be the power supply of operational amplifier power supply.
The first operational amplifier D1, the second operational amplifier D2 in the present embodiment, the 3rd operation amplifierDevice D3 and four-operational amplifier D4 include in TLC2274 type amplifier chip.
In addition, the power amplifier gain module 40 in the present embodiment comprises power amplifier D0, as shown in Figure 3.
The positive input of power amplifier D0 as the signal input part 41 of this power amplifier gain module 40,Output is as the signal output part 42 of this power amplifier gain module 40, certainly in this power amplifier D0 weekLimit is provided with the components and parts that ensure this power amplifier D0 work, as resistance, electric capacity etc. This power amplificationThe preferred LM386 type of device D0 power amplifier.
Be provided with SPK loudspeaker socket 43, this SPK at the signal output part 42 of power amplifier gain module 40Loudspeaker socket 43 is for connecting loudspeaker.
In this description, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stressesBe and the difference of other embodiment, between each embodiment identical similar part mutually referring to.To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use this ShenPlease. To be apparent for those skilled in the art to the multiple amendment of these embodiment,General Principle as defined herein can be in the case of not departing from the application's spirit or scope, at itIn its embodiment, realize. Therefore, the application will can not be restricted to these embodiment shown in this article, andTo meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a ultrasonic fetal gage, is characterized in that, comprising:
Shell;
Ultrasonic transducer, is arranged on described shell, for the ultrasonic wave returning from heart of fetus is carried outConversion, output heartbeat signal;
Signal gain module, is arranged in described shell, its signal input part and described ultrasonic transducerSignal output part is connected, for described heartbeat signal being amplified and exporting heartbeat audio signal;
Power amplifier gain module, is arranged in described shell, its signal input part and described signal gain moduleSignal output part be connected, for the power of described heartbeat audio signal is amplified;
Loudspeaker, is arranged on described shell, the signal of its signal input part and described power amplifier gain moduleOutput is connected, for send the sound of beating of described heart of fetus according to described heartbeat audio signal;
Damping part, is arranged between described loudspeaker and described shell, for the sound of beating described in blockingTo described shell transmission.
2. ultrasonic fetal gage as claimed in claim 1, is characterized in that, described damping part comprises:
Beam, is arranged on the connecting portion of described loudspeaker and described shell.
3. ultrasonic fetal gage as claimed in claim 2, is characterized in that, described beam is that rubber subtractsShake pad.
4. the ultrasonic fetal gage as described in claim 1～3 any one, is characterized in that, described shell isPlastic casing.
5. ultrasonic fetal gage as claimed in claim 4, is characterized in that, described ultrasonic transducer settingIn one end of described shell, described loudspeaker is arranged on the other end of described shell.
6. ultrasonic fetal gage as claimed in claim 5, is characterized in that, described signal gain module bagDraw together:
The first operational amplifier, the reverse input end of described the first amplifier is as described signal gain moduleSignal input part;
The second operational amplifier, its positive input is connected with the output of described the first operational amplifier;
The 3rd operational amplifier, its positive input is connected with the output of described the second operational amplifier;
Four-operational amplifier, its positive input is connected with the output of described the 3rd operational amplifier;
The output of described four-operational amplifier is as the signal output part of described signal gain module.
7. ultrasonic fetal gage as claimed in claim 6, is characterized in that, described signal gain module bagDraw together:
TLC2274 type amplifier chip;
Described TLC2274 type amplifier chip is provided with described the first operational amplifier, described the second computing is putLarge device, described the 3rd operational amplifier and described four-operational amplifier.
8. ultrasonic fetal gage as claimed in claim 5, is characterized in that, described power amplifier gain module bagDraw together:
Power amplifier, its positive input is connected with the signal output part of described signal gain module.
9. ultrasonic fetal gage as claimed in claim 8, is characterized in that, described power amplifier isLM386 type power amplifier.
10. ultrasonic fetal gage as claimed in claim 8, is characterized in that, also comprises:
SPK loudspeaker socket, for connecting signal output part and the described loudspeaker of described power amplifier gain moduleSignal input part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410364295.0A CN104083180B (en) | 2014-07-28 | 2014-07-28 | A kind of ultrasonic fetal gage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410364295.0A CN104083180B (en) | 2014-07-28 | 2014-07-28 | A kind of ultrasonic fetal gage |
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| Publication Number | Publication Date |
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| CN104083180A CN104083180A (en) | 2014-10-08 |
| CN104083180B true CN104083180B (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410364295.0A Active CN104083180B (en) | 2014-07-28 | 2014-07-28 | A kind of ultrasonic fetal gage |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018187915A1 (en) * | 2017-04-10 | 2018-10-18 | 深圳市理邦精密仪器股份有限公司 | Doppler fetus heart meter |
| EE01529U1 (en) * | 2019-12-27 | 2021-04-15 | Oleg Bõstrov | Rotary platform of a walking excavator |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201029889Y (en) * | 2007-04-26 | 2008-03-05 | 深圳京柏医疗设备有限公司 | Fetal heart monitor with function of forecasting routine data of gravida |
| CN201088594Y (en) * | 2007-09-21 | 2008-07-23 | 陈永创 | Multifunctional fetal heart rate device |
| CN201481453U (en) * | 2009-04-23 | 2010-05-26 | 都全荣 | Fetal heart detector for prenatal education |
| CN201668415U (en) * | 2010-05-21 | 2010-12-15 | 深圳市贝斯曼精密仪器有限公司 | Ultrasonic Doppler fetal/maternal monitor |
| CN201743708U (en) * | 2010-08-23 | 2011-02-16 | 秦皇岛市康泰医学系统有限公司 | Antenatal training and fetal heart device with fetal heart sound, heartbeat waveform and heart rate value being stored and replayed synchronously |
| CN202843648U (en) * | 2012-11-09 | 2013-04-03 | 郭金玲 | Novel fetal heart admeasuring apparatus |
| CN203379137U (en) * | 2013-06-04 | 2014-01-08 | 北京瑞智和康科技有限公司 | Split fetal sound instrument |
| CN204092032U (en) * | 2014-07-28 | 2015-01-14 | 深圳京柏医疗设备有限公司 | A kind of ultrasonic fetal gage |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7450746B2 (en) * | 2002-06-07 | 2008-11-11 | Verathon Inc. | System and method for cardiac imaging |
-
2014
- 2014-07-28 CN CN201410364295.0A patent/CN104083180B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201029889Y (en) * | 2007-04-26 | 2008-03-05 | 深圳京柏医疗设备有限公司 | Fetal heart monitor with function of forecasting routine data of gravida |
| CN201088594Y (en) * | 2007-09-21 | 2008-07-23 | 陈永创 | Multifunctional fetal heart rate device |
| CN201481453U (en) * | 2009-04-23 | 2010-05-26 | 都全荣 | Fetal heart detector for prenatal education |
| CN201668415U (en) * | 2010-05-21 | 2010-12-15 | 深圳市贝斯曼精密仪器有限公司 | Ultrasonic Doppler fetal/maternal monitor |
| CN201743708U (en) * | 2010-08-23 | 2011-02-16 | 秦皇岛市康泰医学系统有限公司 | Antenatal training and fetal heart device with fetal heart sound, heartbeat waveform and heart rate value being stored and replayed synchronously |
| CN202843648U (en) * | 2012-11-09 | 2013-04-03 | 郭金玲 | Novel fetal heart admeasuring apparatus |
| CN203379137U (en) * | 2013-06-04 | 2014-01-08 | 北京瑞智和康科技有限公司 | Split fetal sound instrument |
| CN204092032U (en) * | 2014-07-28 | 2015-01-14 | 深圳京柏医疗设备有限公司 | A kind of ultrasonic fetal gage |
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| Publication number | Publication date |
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| CN104083180A (en) | 2014-10-08 |
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Address after: 518102 Guangdong, Baoan District, Fuyong, Xintian street, 71-4 Avenue, building D on the ground floor of the 7, eighth, 9, and the 10 floor of the eastern side of the road Patentee after: Shenzhen medical Polytron Technologies Inc Address before: 518102 Guangdong, Baoan District, Fuyong, Xintian street, 71-4 Avenue, building D on the ground floor of the 7, eighth, 9, and the 10 floor of the eastern side of the road Patentee before: Shenzhen Jumper Medical Equipment Co., Ltd. |