CN216777074U - Fetal movement uterine contraction and infant monitoring device - Google Patents

Abstract

The utility model discloses fetal movement uterine contraction and infant monitoring equipment which comprises a host and a charging seat, wherein the host comprises a host shell, a main control circuit board, a power supply module, an acceleration sensor, a pressure sensor, a temperature sensor and a humidity sensor, the main control circuit board, the power supply module, the acceleration sensor, the pressure sensor, the temperature sensor and the humidity sensor are positioned in the host shell, the power supply module, the acceleration sensor, the pressure sensor, the temperature sensor and the humidity sensor are respectively connected with the main control circuit board, the host shell is in a disc shape, the bottom of the host shell is provided with a bulge, the charging seat is a U-shaped groove matched with the bulge, a plurality of holes are formed in the side edge of the host shell, the temperature sensor and the humidity sensor are arranged at the holes, a circular hollow part is formed in the bottom of the host shell, and a contact of the pressure sensor protrudes from the circular hollow part. The multifunctional infant care device is complete in function, capable of achieving pregnancy care and infant care and convenient to use and carry.

Description

Fetal movement uterine contraction and infant monitoring device

Technical Field

The utility model relates to medical equipment, in particular to fetal movement uterine contraction and infant monitoring equipment.

Background

Fetal movement signals are important vital signs of a fetus, and detection of the fetal movement signals is of great significance to maternal and infant monitoring in the perinatal period. Whether a fetus is normal or not is determined by the number of times of fetal movement of a pregnant woman, and the fetal movement is detected by using ultrasonic imaging commonly used by doctors in hospitals, but the fetal movement is detected by the self-counting mode in such a way that the pregnant woman feels self-counting according to subjective feelings, self-monitoring is hindered due to the fact that the pregnant woman needs to lie still for a long time, feels poor or is inconvenient to work and live and the like, inaccuracy exists, and the ultrasonic imaging needs assistance of a doctor and is inconvenient for the pregnant woman to detect by himself at home or during work, so that certain defects exist in the two modes. The pregnant woman can contract during normal times or before parturition, the contraction signal is an important parturition index, the contraction is usually counted and sensed by the pregnant woman, and inaccuracy exists, so that the electronic fetal movement contraction monitor which is simple, reliable and low in cost is arranged, the pregnant woman can complete self-monitoring of fetal movement contraction without influencing daily activities and needing to lie still, and the electronic fetal movement contraction monitor is very necessary. After the birth of a fetus, a plurality of uncertain factors exist in real life to influence the healthy growth of the baby, a safe and good environment is created for the growth of the baby, and more parents begin to use the baby monitoring products. Most products in the current domestic market are single fetus monitoring products or single infant monitoring products, are incomplete in function, cannot realize continuous use of the products, and are inconvenient to use and carry.

Disclosure of Invention

The purpose of the utility model is as follows: aiming at the problems in the prior art, the utility model provides fetal movement uterine contraction and infant monitoring equipment which is convenient to use and carry.

The technical scheme is as follows: the fetal movement uterine contraction and infant monitoring device comprises a host and a charging seat, wherein the host comprises a host shell, a main control circuit board, a power supply module, an acceleration sensor, a pressure sensor, a temperature sensor and a humidity sensor, the main control circuit board, the power supply module, the acceleration sensor, the pressure sensor, the temperature sensor and the humidity sensor are located in the host shell, the power supply module, the acceleration sensor, the pressure sensor, the temperature sensor and the humidity sensor are respectively connected with the main control circuit board, the host shell is in a disc shape, the bottom of the host shell is provided with a bulge, the charging seat is a U-shaped groove matched with the bulge, a plurality of holes are formed in the side edge of the host shell, the temperature sensor and the humidity sensor are arranged at the holes, a circular hollow part is formed in the bottom of the host shell, and a contact of the pressure sensor protrudes out of the circular hollow part.

Further, the host shell comprises a host upper shell and a host lower shell, and the host upper shell and the host lower shell are sealed through waterproof rubber rings.

Furthermore, the all-in-one machine further comprises a display screen, and the display screen is arranged on the shell on the host machine.

Furthermore, a fin tilted from the surface of the upper shell of the host is arranged on the upper shell of the host, and a switch button is arranged on the fin.

Further, the charging seat includes casing, casing and charging seat bottom plate under the charging seat on the charging seat, on the charging seat casing with casing connection from top to bottom under the charging seat, the charging seat bottom plate with on the charging seat casing with the casing side is connected under the charging seat, the casing is the U type on the charging seat, casing bottom is the plane under the charging seat, and the top is the semicircle ring type.

Furthermore, the main control circuit board comprises a power supply voltage reduction module, an MCU with a Bluetooth, a FLASH and an A/D amplification conversion module, wherein the power supply voltage reduction module, the FLASH and the A/D amplification conversion module are respectively connected with the MCU.

Further, the power module comprises a battery and a battery charging management circuit connected with the battery.

Has the advantages that: compared with the prior art, the utility model has the following remarkable advantages: the multifunctional integrated machine can realize the monitoring of the fetus of the pregnant woman and the monitoring of the baby after production, has complete functions and wide application range, is convenient to carry and use, can be worn and used, does not influence daily activities, and does not need to lie still.

Drawings

FIG. 1 is a front perspective view of a fetal movement uterine contraction and infant monitoring device provided by the present invention;

FIG. 2 is a rear perspective view of FIG. 1;

FIG. 3 is an exploded view of the host and cradle of FIG. 1, shown disassembled;

FIG. 4 is an exploded view of the host computer of FIG. 1;

FIG. 5 is a modular circuit diagram of a master circuit board;

FIG. 6 is a circuit diagram of a power step-down module;

fig. 7 is a circuit diagram of an acceleration sensor;

FIG. 8 is a circuit diagram of a temperature and humidity sensor;

FIG. 9 is a circuit diagram of an A/D amplification conversion block;

FIG. 10 is a circuit diagram of FLASH;

FIG. 11 is a circuit diagram of a battery charge management circuit;

FIG. 12 is an MCU circuit diagram;

in the figure, 1-a host, 2-a charging seat, 11-a host shell (11 a-a host upper shell, 11 b-a host lower shell, 11 c-a waterproof rubber ring seal, 11 d-a protrusion, 11 e-a hole, 11 g-a fin, 11 f-a switch button), 12-a main control circuit board, 13-a power module, 14-an acceleration sensor, 15-a pressure sensor, 16-a temperature sensor, 17-a humidity sensor, 21-a charging seat upper shell, 22-a charging seat lower shell, and 23-a charging seat bottom plate.

Detailed Description

The embodiment provides a fetal movement uterine contraction and infant monitoring device, as shown in fig. 1, 2, 3 and 4, which comprises a host 1 and a charging seat 2, wherein the host 1 comprises a host shell 11, and a main control circuit board 12, a power module 13, an acceleration sensor 14, a pressure sensor 15, a temperature sensor 16 and a humidity sensor 17 which are located in the host shell 11. Host computer casing 11 is the ABS material, casing 11a and host computer lower casing 11b on the host computer, and it is sealed through waterproof rubber ring 11c between casing 11b under casing 11a and the host computer on the host computer, through buckle or screw straining, host computer casing 11 is the disc, and the bottom is equipped with protruding 11d, gripping that can be better and conveniently charge. The side of the main machine shell 11 is provided with a plurality of holes 11e, and the temperature sensor 15 and the humidity sensor 16 are arranged at the holes and can be in contact with the outside to collect temperature and humidity information. The bottom of the main machine shell 11 is provided with a circular hollow, and a contact of the pressure sensor 15 protrudes from the circular hollow, specifically, is a flexible micro-pressure sensor, is tightly attached to the skin of a pregnant woman, and is used for collecting pressure change signals caused by uterine contraction. The acceleration sensor 14 is located in the main machine shell 11, the specific position is not limited, and the acceleration sensor can realize fetal movement detection of the pregnant woman and sleep monitoring of the pregnant woman or the baby. The shell 11a is provided with a fin 11g which is tilted from the surface of the shell 11a on the host, the fin 11g can enable the bandage to pass through for fixation and also can be conveniently held, the fin 11g is provided with a switch button 11f, and the switch button 11f is provided with an indicator light for indicating the on-off state.

Charging seat 2 is the U type groove that matches with protruding 11d, for the ABS material, casing 21 on the charging seat, casing 22 and charging seat bottom plate 23 under the charging seat, casing 21 and charging seat are connected from top to bottom on the charging seat, charging seat bottom plate 23 is connected with charging seat upper casing 21 and charging seat lower casing 22 side, casing 21 is the U type on the charging seat, casing 22 bottom is the plane under the charging seat, the top is the semicircle ring type, match with the shape of host computer 1, bearing host computer 1 that can be better when charging, and also conveniently take out after the completion of charging.

In addition, in the main frame of the fetal movement uterine contraction and infant monitoring device in the embodiment, in order to better support, connect and fix each component, the main frame may further include a screw, a support plate, a bracket and other components. For better user experience, a display screen can be arranged on the upper surface of the protrusion 11d of the host, and the display screen can display power supply information and real-time detection information, such as fetal movement information, uterine contraction information, sleep information, temperature information, humidity information and the like.

The main control circuit board 12 includes a power voltage reducing module, a bluetooth MCU, a FLASH, and an a/D amplification conversion module, as shown in fig. 5, the power voltage reducing module, the FLASH, and the a/D amplification conversion module are respectively connected to the MCU. The power supply voltage reduction module is used for converting an input voltage into a 3.3V voltage required by a system, specifically an LDO voltage reduction chip RT9193, and the circuit is shown in FIG. 6. The acceleration sensor 14 is embodied as a six-axis acceleration sensor, as shown in fig. 7, for collecting acceleration signals generated by fetal movement or sleep. In this embodiment, the temperature sensor 15 and the humidity sensor 16 are integrated, and an SHT30 temperature and humidity sensor is used, as shown in fig. 8, to extract the temperature and humidity of the environment, or a separate temperature sensor and a separate humidity sensor may be used. The pressure sensor 17 is used for converting the change of the strain force of the strain gauge caused by the uterine contraction into an electric signal to be output, so that the uterine contraction signal acquisition is realized. The a/D amplification conversion module is specifically a conversion chip HX710B, as shown in fig. 9, and is configured to acquire and amplify an analog signal output by the pressure sensor, perform analog-to-digital conversion, and transmit the analog signal to the MCU through an I2C interface. As shown in fig. 10, the FLASH is used for storing the uterine contraction and fetal movement monitored by the device for a long time and temperature and humidity data of the environment, and is convenient to query and upload. The power module includes a battery and a battery charging management circuit connected to the battery, the battery is a lithium battery, and the battery charging management circuit is shown in fig. 11, and is a lithium battery charging management chip TP4056, configured to perform charging management on the lithium battery inside the device, and transmit a charging state to the MCU. The MCU has a bluetooth module NRF52840, specifically E73, as a core device of the whole main control circuit board, and the specific circuit is shown in fig. 12.

The working principle of the utility model is as follows: when the pregnant woman uses the device, the host is placed at the abdomen, after the device is fixed through the binding band, the contact of the pressure sensor at the bottom of the host is tightly attached to the skin of the pregnant woman, pressure change signals are collected, after the pressure change signals are converted through an A/D amplification conversion module method, the MCU transmits the pressure change signals, and the MCU realizes the identification of uterine contraction according to the pressure change signals; meanwhile, an acceleration sensor of the host machine can acquire an acceleration change signal brought by fetal movement and transmit the acceleration change signal to the MCU, and the MCU realizes fetal movement detection according to the acceleration change signal; when the pregnant woman needs to carry out sleep detection, the host can be placed at the chest and abdomen position of the pregnant woman, the acceleration sensor of the host collects acceleration change signals brought by respiration and transmits the acceleration change signals to the MCU, the MCU realizes sleep monitoring according to the acceleration change signals, in case of abnormity, the alarm reminding is given to related guardians, and the method for carrying out fetal movement detection and sleep monitoring according to the acceleration signals is the prior art and is not repeated. After the fetus is born, this equipment can regard as baby's guardianship to use, places in the baby's clothes, through ambient temperature in temperature sensor monitoring clothes, whether the suggestion need add the clothing or subtract the clothing, whether perspire through the humidity transducer monitoring, whether urine is wet, whether the suggestion needs to change diaper or clothes, realize baby's sleep through acceleration sensor and detect, in case take place unusual then remind for relevant guardians alarm to realize baby's guardianship.

Claims (7)

1. A fetal movement uterine contraction and infant monitoring device is characterized in that: including host computer and charging seat, the host computer includes the host computer casing and is located main control circuit board, power module, acceleration sensor, pressure sensor, temperature sensor and the humidity transducer of host computer casing, power module, acceleration sensor, pressure sensor, temperature sensor and humidity transducer connect respectively main control circuit board, the host computer casing is equipped with bellied disc for the bottom, the charging seat be with the U type groove of protruding matching, host computer casing side is equipped with a plurality of holes, temperature sensor with humidity transducer set up in hole department, host computer casing bottom is equipped with circular fretwork, the pressure sensor contact is followed circular fretwork department protrusion.

2. The fetal movement uterine contraction and infant monitoring device as claimed in claim 1, wherein: the host shell comprises a host upper shell and a host lower shell, and the host upper shell and the host lower shell are sealed through waterproof rubber rings.

3. The fetal movement contraction and infant monitoring device according to claim 2, wherein: still include the display screen, the display screen is located on the casing on the host computer.

4. The fetal movement uterine contraction and infant monitoring device as claimed in claim 2, wherein: the shell is provided with a fin tilted from the surface of the shell on the host, and the fin is provided with a switch button.

5. The fetal movement uterine contraction and infant monitoring device as claimed in claim 1, wherein: the charging seat comprises a charging seat upper shell, a charging seat lower shell and a charging seat bottom plate, wherein the charging seat upper shell and the charging seat lower shell are connected from top to bottom, the charging seat bottom plate is connected with the charging seat upper shell and the charging seat lower shell side, the charging seat upper shell is in a U shape, the charging seat lower shell bottom is in a plane, and the top is in a semi-circular shape.

6. The fetal movement uterine contraction and infant monitoring device as claimed in claim 1, wherein: the main control circuit board comprises a power supply voltage reduction module, an MCU with Bluetooth, a FLASH and an A/D amplification conversion module, wherein the power supply voltage reduction module, the FLASH and the A/D amplification conversion module are respectively connected with the MCU.

7. The fetal movement uterine contraction and infant monitoring device as claimed in claim 1, wherein: the power module comprises a battery and a battery charging management circuit connected with the battery.

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