CN215420783U - Fetal heart detection device and system - Google Patents

Fetal heart detection device and system Download PDF

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Publication number
CN215420783U
CN215420783U CN202121451638.9U CN202121451638U CN215420783U CN 215420783 U CN215420783 U CN 215420783U CN 202121451638 U CN202121451638 U CN 202121451638U CN 215420783 U CN215420783 U CN 215420783U
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compression
data
ble
sampling
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王利明
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Shenzhen Jiemeirui Technology Co ltd
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Shenzhen Jiemeirui Technology Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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Abstract

The utility model provides a fetal heart detection device, which comprises: the device comprises a control module, a downsampling module, a compression module and a BLE module; the control module is respectively connected with the downsampling module, the compression module and the BLE module; the down-sampling module is used for down-sampling the received audio signal to obtain original audio data; the compression module is connected with the down-sampling module and is used for coding and compressing the original audio data to obtain audio compressed data; the BLE module is connected with the compression module and used for transmitting the audio compression data to a terminal in a BLE mode. This fetal heart detection device has realized adopting BLE real time transport audio data, greatly reduced the cost. In addition, a fetal heart detection system is also provided.

Description

Fetal heart detection device and system
Technical Field
The utility model relates to the technical field of information processing, in particular to a fetal heart detection device and system.
Background
After fetal heart rate detection device detects fetal heart rate, the information of fetal heart rate generally can be connected to cell-phone APP through BLE (Bluetooth Low Energy ) and show heart rate value and broadcast sound. However, the difficulty of real-time audio transmission of BLE is that the data transmission bandwidth is insufficient, the amount of audio data is large, and BLE data is easily blocked, so that distortion and seizure of sound occur.
The existing method for solving the above problems is to use the classic bluetooth (EDR/BDR) for signal transmission, i.e. a transmission method with large transmission bandwidth is changed, but the cost is greatly increased.
SUMMERY OF THE UTILITY MODEL
Based on this, this application has provided one kind and has adopted BLE to carry out heart of child detection device and system that audio signal transmitted in real time, this heart of child detection device greatly reduced the cost, and can not lead to the sound distortion, the card pause to appear.
A fetal heart detection apparatus, the apparatus comprising: the device comprises a control module, a downsampling module, a compression module and a BLE module;
the control module is respectively connected with the downsampling module, the compression module and the BLE module;
the down-sampling module is used for down-sampling the received audio signal to obtain original audio data;
the compression module is connected with the down-sampling module and is used for coding and compressing the original audio data to obtain audio compressed data;
the BLE module is connected with the compression module and used for transmitting the audio compression data to a terminal in a BLE mode.
In one embodiment, the compression module is an ADPCM compression module.
In one embodiment, the fetal heart detecting apparatus further comprises: and the denoising module is connected with the down-sampling module and used for denoising the input audio signal and sending the denoised audio signal to the down-sampling module.
In one embodiment, the fetal heart detecting apparatus further comprises: and the uterine contraction detection module is connected with the control module and is used for collecting uterine contraction data and transmitting the collected uterine contraction data to the terminal through the BLE module.
A fetal heart detection system, the system comprising: a fetal heart detection device and a terminal; the fetal heart detecting device includes: the device comprises a control module, a downsampling module, a compression module and a BLE module;
the control module is respectively connected with the downsampling module, the compression module and the BLE module;
the down-sampling module is used for down-sampling the input audio signal to obtain original audio data;
the compression module is connected with the down-sampling module and is used for coding and compressing the original audio data to obtain audio compressed data;
the BLE module is connected with the compression module and is used for transmitting the audio compression data to the terminal in a BLE mode;
the terminal includes: and the decompression module is used for decompressing the received audio compression data to obtain decompressed audio signals.
In one embodiment, the terminal further includes: and the up-sampling module is connected with the decompression module and is used for up-sampling the decompressed audio signal to obtain a compensated audio signal.
In one embodiment, the terminal further includes: and the filtering module is connected with the up-sampling module and is used for carrying out low-pass filtering on the compensated audio signal to obtain a filtered audio signal.
In one embodiment, the compression module is an ADPCM compression module.
In one embodiment, the fetal heart detecting apparatus further comprises: and the denoising module is connected with the down-sampling module and used for denoising the input audio signal and sending the denoised audio signal to the down-sampling module.
In one embodiment, the fetal heart detecting apparatus further comprises: and the uterine contraction detection module is connected with the control module and is used for collecting uterine contraction data and transmitting the collected uterine contraction data to the terminal through the BLE module.
Above-mentioned fetal heart detection device and system, earlier carry out down-sampling to audio signal through down-sampling module and reduce the original audio data who gathers, then rethread compression module compresses original audio data, and the data bulk of the audio compression data that obtains like this is very little, can satisfy the bandwidth scope of the real-time conveying of BLE to make distortion, card pause can not appear, and owing to realized adopting the BLE mode to carry out real-time transmission, greatly reduced the cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Wherein:
FIG. 1 is a block diagram of a fetal heart detection apparatus according to one embodiment;
FIG. 2 is a block diagram of a fetal heart detection system in one embodiment.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1, a fetal heart detection apparatus 10 is provided, the apparatus comprising: control module 102, downsampling module 104, compression module 106, and BLE module 108;
wherein the control module 102 is connected to the downsampling module 104, the compression module 106 and the BLE module 108 respectively; downsampling module 104 is connected to compression module 106, and compression module 106 is connected to BLE module 108.
The down-sampling module 104 is configured to down-sample the received audio signal to obtain original audio data;
the compression module 106 is connected to the down-sampling module, and is configured to encode and compress the original audio data to obtain audio compressed data;
the BLE module 108 is connected to the compression module, and configured to transmit the audio compression data to the terminal in a BLE manner.
On the premise of ensuring that the sound quality is acceptable, the down-sampling module 104 samples the audio signal at a low sampling rate, which can reduce the amount of transmitted data from the source.
The compression module 106 compresses the acquired raw audio data to a bandwidth range that meets the real-time transmission capability of BLE. The compression module compresses the original audio data by using a compression algorithm, wherein the compression algorithm refers to an algorithm for data compression (also called signal coding), and can be realized by using the existing algorithm.
Then, the BLE module 108 is adopted to transmit the compressed audio compression data to the terminal APP in a BLE (bluetooth low energy) mode.
Above-mentioned fetal heart detection device, earlier through down sampling module to audio signal down sample reduce the original audio data of gathering, then rethread compression module compresses original audio data, the data bulk of the audio compression data that obtains like this is very little, can satisfy the bandwidth scope of the real-time conveying of BLE to make distortion, card pause can not appear, and owing to adopt BLE just to realize audio data's transmission, greatly reduced the cost.
In one embodiment, the compression module is an ADPCM compression module.
The ADPCM (ADPCM Adaptive Differential Pulse Code modulation) is a compression algorithm for 16bit (or higher) sound waveform data, that is, the compression algorithm of ADPCM is used to compress audio data.
In one embodiment, the fetal heart detection apparatus further comprises: and the denoising module is connected with the down-sampling module and used for denoising the input audio signal and sending the denoised audio signal to the down-sampling module.
In order to enable transmitted data to be purer and reduce data volume, a denoising module is adopted to denoise before downsampling, and then denoised audio signals are sent to a downsampling module. In addition, the denoising module is also connected with the control module.
In one embodiment, the fetal heart detection apparatus further comprises: and the uterine contraction detection module is connected with the control module 102 and is used for collecting uterine contraction data and transmitting the collected uterine contraction data to the terminal through the BLE module.
In addition to fetal heart data, the fetal heart detection device also needs to collect uterine contraction data, because when uterine contraction occurs, the heart rate is large in floating, and therefore heart rate evaluation needs to be performed by referring to the uterine contraction data.
As shown in fig. 2, a fetal heart detection system is proposed, which comprises: a fetal heart detection apparatus 10 and a terminal 20; the fetal heart detecting device includes: control module 102, downsampling module 104, compression module 106, and BLE module 108;
the control module 102 is connected to the downsampling module, the compression module and the BLE module respectively;
the down-sampling module 104 is configured to down-sample an input audio signal to obtain original audio data;
the compression module is connected with the down-sampling module and is used for coding and compressing the original audio data to obtain audio compressed data;
the BLE module is connected with the compression module and is used for transmitting the audio compression data to the terminal in a BLE mode;
the terminal 20 includes: the decompression module 202 is configured to decompress the received audio compressed data to obtain a decompressed audio signal.
After the fetal heart detection device transmits the audio compression data to the terminal, the terminal receives the audio compression data through the Bluetooth module, and then the decompression module 202 is needed to decompress the received audio compression data for data restoration. It should be noted that: the terminal realizes decompression through an APP installed in the terminal, namely, a decompression module belongs to a module inside the APP. Subsequently, the upsampling module 204 and the filtering module 206 are also modules included in the terminal APP.
Referring to fig. 2, in one embodiment, the terminal 20 further includes: and the up-sampling module 204 is connected with the decompression module and is used for up-sampling the decompressed audio signal to obtain a compensated audio signal.
The decompression module is also connected with an up-sampling module, and the up-sampling module is used for up-sampling decompressed audio signals and compensating audio loss caused by down-sampling. Referring to fig. 2, in one embodiment, the terminal further includes: a filtering module 206 connected to the upsampling module 204, configured to perform low-pass filtering on the compensated audio signal to obtain a filtered audio signal.
And performing low-pass filtering on the data subjected to the up-sampling processing, wherein the filtered data can be used for real-time sound playback.
In one embodiment, the compression module is an ADPCM compression module.
In one embodiment, the fetal heart detection apparatus further comprises: and the denoising module is connected with the down-sampling module and used for denoising the input audio signal and sending the denoised audio signal to the down-sampling module.
In one embodiment, the fetal heart detection apparatus further comprises: and the uterine contraction detection module is connected with the control module and is used for collecting uterine contraction data and transmitting the collected uterine contraction data to the terminal through the BLE module.
The fetal heart detecting device and the fetal heart detecting system belong to a general inventive concept, and it can be understood that the embodiments of the two are mutually applicable.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A fetal heart detection apparatus, the apparatus comprising: the device comprises a control module, a downsampling module, a compression module and a BLE module;
the control module is respectively connected with the downsampling module, the compression module and the BLE module;
the down-sampling module is used for down-sampling the received audio signal to obtain original audio data;
the compression module is connected with the down-sampling module and is used for coding and compressing the original audio data to obtain audio compressed data;
the BLE module is connected with the compression module and used for transmitting the audio compression data to a terminal in a BLE mode.
2. The apparatus of claim 1, wherein the compression module is an ADPCM compression module.
3. The apparatus of claim 1, wherein the fetal heart detection apparatus further comprises: and the denoising module is connected with the down-sampling module and used for denoising the input audio signal and sending the denoised audio signal to the down-sampling module.
4. The apparatus of claim 1, wherein the fetal heart detection apparatus further comprises: and the uterine contraction detection module is connected with the control module and is used for collecting uterine contraction data and transmitting the collected uterine contraction data to the terminal through the BLE module.
5. A fetal heart detection system, the system comprising: a fetal heart detection device and a terminal; the fetal heart detecting device includes: the device comprises a control module, a downsampling module, a compression module and a BLE module;
the control module is respectively connected with the downsampling module, the compression module and the BLE module;
the down-sampling module is used for down-sampling the input audio signal to obtain original audio data;
the compression module is connected with the down-sampling module and is used for coding and compressing the original audio data to obtain audio compressed data;
the BLE module is connected with the compression module and is used for transmitting the audio compression data to the terminal in a BLE mode;
the terminal includes: and the decompression module is used for decompressing the received audio compression data to obtain decompressed audio signals.
6. The system of claim 5, wherein the terminal further comprises: and the up-sampling module is connected with the decompression module and is used for up-sampling the decompressed audio signal to obtain a compensated audio signal.
7. The system of claim 6, wherein the terminal further comprises: and the filtering module is connected with the up-sampling module and is used for carrying out low-pass filtering on the compensated audio signal to obtain a filtered audio signal.
8. The system of claim 5, wherein the compression module is an ADPCM compression module.
9. The system of claim 5, wherein the fetal heart detection apparatus further comprises: and the denoising module is connected with the down-sampling module and used for denoising the input audio signal and sending the denoised audio signal to the down-sampling module.
10. The system of claim 5, wherein the fetal heart detection apparatus further comprises: and the uterine contraction detection module is connected with the control module and is used for collecting uterine contraction data and transmitting the collected uterine contraction data to the terminal through the BLE module.
CN202121451638.9U 2021-06-28 2021-06-28 Fetal heart detection device and system Active CN215420783U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121451638.9U CN215420783U (en) 2021-06-28 2021-06-28 Fetal heart detection device and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121451638.9U CN215420783U (en) 2021-06-28 2021-06-28 Fetal heart detection device and system

Publications (1)

Publication Number Publication Date
CN215420783U true CN215420783U (en) 2022-01-04

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Application Number Title Priority Date Filing Date
CN202121451638.9U Active CN215420783U (en) 2021-06-28 2021-06-28 Fetal heart detection device and system

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