CN210071106U

CN210071106U - Intelligent electronic scale

Info

Publication number: CN210071106U
Application number: CN201921067984.XU
Authority: CN
Inventors: 韩磊; 赵照
Original assignee: Hefei Xinfoo Sensor Technology Co Ltd
Current assignee: Hefei Xinfoo Sensor Technology Co Ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-02-14
Anticipated expiration: 2029-07-10

Abstract

The utility model discloses an intelligent electronic scale, include the balance body and the handheld electrode stick of constituteing by support panel and drain pan, support panel encloses into the cavity with the drain pan, the four corners of cavity is the rectangle and distributes and set up the support column, the support column inlays and establishes pressure sensor, set up photoelectric sensor and 2 at least electrocardio detection electrode on the handheld electrode stick, the last 4 at least electrical impedance detection electrodes that set up of support panel, set up control circuit board in the cavity, pressure sensor, handheld electrode stick and electrical impedance detection electrode and control circuit board electric connection. The utility model discloses a set up pressure sensor, electrical impedance detection electrode, electrocardio detection electrode and photoelectric sensor and detect human sign indexes such as user's weight, body fat, electrocardio, rhythm of the heart, blood pressure simultaneously, compact structure, detection efficiency height can realize the multi-functional measurement of integration.

Description

Intelligent electronic scale

Technical Field

The utility model belongs to intelligence household electrical appliances field, concretely relates to intelligent electronic scale.

Background

Along with the improvement of the living standard of people, more and more people pay more attention to the pursuit of health, if everyone knows the data of self health state in detail, then can in time urge self to supply nutrition and strengthen the exercise.

Electronic scales are a common tool for measuring body weight, and are commonly used in home life. The main functions of the household electronic scales sold in the market at present are to measure body weight and body fat, provide health detection data for users, and send the data to mobile communication tools such as mobile phones of the users in a wireless transmission mode such as Bluetooth and Wifi, so that the users can know the states of the electronic scales, but generally speaking, the electronic scales on the market are relatively single in function, cannot detect health sign indexes such as heart rate and electrocardio of the users at the same time, and cannot comprehensively judge the health states by multiple indexes.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art, provide an intelligent electronic scale that detects human sign indexes such as user's weight, body fat, electrocardio, rhythm of the heart and blood pressure simultaneously, compact structure, realization integration multi-functional measurement.

In order to realize the purpose, the utility model discloses a technical scheme be:

the utility model provides an intelligent electronic scale, includes the balance body of constituteing by support panel and drain pan, support panel encloses into the cavity with the drain pan, the four corners of cavity is the rectangle distribution and sets up the support column, the embedded pressure sensor that establishes of support column still includes handheld electrode stick, set up photoelectric sensor and 2 at least electrocardio detection electrode on the handheld electrode stick, the last 4 at least electrical impedance detection electrodes that set up of support panel, set up control circuit board in the cavity, pressure sensor, handheld electrode stick and electrical impedance detection electrode are connected with control circuit board electricity.

Furthermore, a microprocessor and a communication module are arranged on the control circuit board, and the microprocessor is electrically connected with the communication module, the pressure sensor, the electrical impedance detection electrode, the photoelectric sensor and the electrocardio detection electrode respectively.

Furthermore, the intelligent electronic scale further comprises a display module and a power module, wherein the display module and the power module are arranged in the cavity and are electrically connected with the microprocessor.

Furthermore, a temperature sensor is arranged on the handheld electrode bar and electrically connected with the microprocessor for detecting the body temperature of the human body.

Preferably, the communication module is at least one of a bluetooth module, a Wifi module, a ZigBee module, and an RFID module.

Furthermore, an interface is arranged on the bottom shell, and the handheld electrode bar is electrically connected with the microprocessor through a connecting wire and the interface.

Preferably, the display module is an LCD display screen or an LED display screen.

Preferably, the temperature sensor is an NTC negative temperature coefficient thermistor sensor.

Preferably, the electrical impedance detection electrodes are evenly distributed on the support panel.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up pressure sensor, electrical impedance detection electrode, electrocardio detection electrode and photoelectric sensor and detect human sign indexes such as user's weight, body fat, electrocardio, rhythm of the heart, blood pressure simultaneously, control circuit board carries out integrated control, sensing and analytic processing to the data of gathering, has improved the stability and the reliability of detection; the utility model discloses compact structure, suitable family expenses, detection efficiency are high, can realize the multi-functional measurement of integration.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a top view structural diagram of an embodiment of the present invention;

fig. 3 is a top view structural diagram of another embodiment of the present invention;

fig. 4 is a schematic diagram of the present invention.

Detailed Description

The following detailed description of the embodiments and specific operation of the present invention will be made with reference to fig. 1 and 4, but the scope of the present invention is not limited to the following examples.

The utility model discloses an intelligent electronic scale, as shown in figure 1, comprising a scale body composed of a support panel 1 and a bottom shell 2, wherein the support panel 1 and the bottom shell 2 form a cavity, four corners of the cavity are distributed in a rectangular shape and provided with support columns 3, and pressure sensors are embedded in the support columns 3 and used for measuring the weight of a human body; the utility model discloses an invent point lies in, and intelligent electronic scale still includes handheld electrode stick 4, sets up

photoelectric sensor

5 and 2 at least electrocardio detection electrode 6 on the handheld electrode stick 4, sets up 4 at least electrical impedance detection electrode 7 on the support panel 1, sets up control circuit board in the cavity, and pressure sensor, handheld electrode stick 4 and electrical impedance detection electrode 7 and control circuit board electric connection.

Specifically, the electrical impedance detection electrode 7 is used for measuring the body fat of a human body, and the working principle is as follows: the human body is composed of conductive body fluid, muscle and non-conductive adipose tissue, when a certain frequency electric signal passes through the human body, the impedance value of the adipose part is higher than that of the muscle and other tissues of the human body, during specific measurement, the electrode slice sends out tiny current to pass through the human body, if the adipose ratio is high, the measured biological resistance is larger, and vice versa. In order to improve the accuracy of measurement, set up 4 at least electrical impedance detection electrodes 7 on the support panel, evenly distributed is on support panel 1, and preferably, support panel 1 is the rectangle, sets up 4 electrical impedance detection electrodes 7, is located four angles of rectangle support panel 1 respectively, and it needs to be noted here that, the shape of support panel 1 is not limited only to the rectangle, also can be for various shapes such as circular, the utility model discloses do not specifically limit. The electrical impedance detection electrode 7 can be made of PVD coated stainless steel sheet or aluminum sheet, or ITO conductive film. The support panel 1 is preferably a flat, wear-resistant, less vulnerable, plate with good light transmission properties.

The photoelectric sensor 1 is used for measuring the heart rate and blood pressure of a human body, realizes control by converting the change of light intensity into the change of an electric signal, comprises a light-emitting light source and a photosensitive element, and has the following principles of detecting the heart rate and the blood pressure: the human tissue is composed of skin, blood, musculoskeletal and the like, when the heart beats, the blood volume in the blood vessel is increased or reduced to cause the corresponding increase or reduction of the absorption amount of light, the change of the intensity of the received light is acquired by the photoelectric sensor 1 to calculate the heart rate value, then the pulse wave transmission time algorithm is adopted by combining the electrocardio data acquired by the electrocardio detection electrode 6 to realize the non-invasive detection of the blood pressure, specifically, the combination of the red light with the wavelength of 660nm and the near infrared light with the wavelength of 905nm or 940nm can be used as a light emitting source, and then the light emitting source is acquired and received by a PD or APD photosensitive element. The method for measuring the blood pressure comprises the steps of extracting characteristic points of two paths of signals of an electrocardiosignal and a photoplethysmography by adopting self-adaptive characteristics, measuring the systolic pressure by utilizing the existing wave velocity method, and measuring the diastolic pressure by combining the characteristic K value of the pulse wave with an elastic cavity model to obtain the blood pressure value of a user. At present, the photoelectric heart rate and blood pressure measuring technology is mature, and intelligent devices such as an apple intelligent watch, an Huashi intelligent watch and an electronic bracelet in the east of the sun use the technology to measure the heart rate and the blood pressure. Therefore, the present application does not give an excessive description of the measurement principle thereof.

Further, a microprocessor and a communication module are arranged on the control circuit board, referring to fig. 4, the microprocessor is electrically connected with the communication module, the pressure sensor, the electrical impedance detection electrode 7, the photoelectric sensor 5 and the electrocardio detection electrode 6 respectively. The microprocessor can adopt a multi-mode bioelectric sensor developed by combined fertilizer core sensor technology company, belongs to a system-level chip, integrates the functions of control, sensing and analysis, and controls, analyzes and outputs information transmitted by the pressure sensor, the photoelectric sensor 5, the electrocardio detection electrode 6 and the electrical impedance detection electrode 7. The communication module is at least one of a Bluetooth module, a Wifi module, a ZigBee module and an RFID module, wireless communication between data output by the microprocessor and intelligent equipment such as a user mobile phone is achieved, and test results such as weight, body fat, heart rate, blood pressure, electrocardio or body temperature are sent to terminal equipment such as a mobile phone to be displayed or stored in real time.

In order to meet application requirements, the intelligent electronic scale further comprises a display module 8 and a power supply module, wherein the display module 8 and the power supply module are arranged in the cavity and are electrically connected with the microprocessor; the display module 8 is an LCD display screen or an LED display screen and is used for displaying human body sign index data such as weight, body fat, electrocardio, heart rate and blood pressure of a user, and the power module preferably selects a lithium battery and supplies power for the control circuit board so as to ensure that the microprocessor can work normally and stably.

In order to detect the body temperature of the human body simultaneously, a temperature sensor 9 is arranged on the handheld electrode rod 4 and is electrically connected with the microprocessor. The utility model provides a temperature sensor is medical NTC negative temperature coefficient thermal contact resistance sensor, has that measurement accuracy is high, good reproducibility, advantage that stability is high, accords with GB/T21416 supplementarian 2008 (medical electronic clinical thermometer) medical grade application completely.

Further, an interface 10 is arranged on the bottom shell 2, the handheld electrode rods 4 are electrically connected with the microprocessor through a connecting wire 11 and the interface 10, and the number of the handheld electrode rods 4 can be set to be 1 or 2. Specifically, according to the utility model discloses an embodiment, handheld electrode stick 4 sets up 1, refers to fig. 2, sets up electrocardio detection electrode 6 respectively at the both ends of handheld electrode stick 1, and photoelectric sensor 5 and temperature sensor 9 set up the middle part position at handheld electrode stick 4, and when being convenient for left and right hands held electrocardio detection electrode 6, two thumbs effectively contacted with photoelectric sensor 5 and temperature sensor 9 respectively. According to another embodiment of the present invention, the number of the handheld electrode bars is 2, see fig. 3, and at least one electrocardiographic detection electrode 6 is respectively disposed thereon to improve the accuracy of electrocardiographic measurement data; the photoelectric sensor 5 and the temperature sensor 9 are respectively arranged on the two handheld electrode rods 4 to ensure that the photoelectric sensor 5 and the temperature sensor 9 are respectively in effective contact with the thumbs of the left hand and the right hand, and during measurement, the left hand and the right hand respectively tightly hold the electrocardio detection electrodes 6 of the handheld electrode rods 4 to ensure that the electrocardio detection electrodes 6 are in effective contact.

The above description is only exemplary of the present invention and should not be taken as limiting, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. The utility model provides an intelligent electronic scale, includes the balance body of constituteing by support panel and drain pan, support panel encloses into the cavity with the drain pan, the four corners of cavity is the rectangle distribution and sets up the support column, the support column embeds establishes pressure sensor, its characterized in that still includes handheld electrode stick, set up photoelectric sensor and 2 at least electrocardio detection electrode on the handheld electrode stick, the last 4 at least electrical impedance detection electrodes that set up of support panel, set up control circuit board in the cavity, pressure sensor, handheld electrode stick and electrical impedance detection electrode and control circuit board electric connection.

2. The intelligent electronic scale according to claim 1, wherein the control circuit board is provided with a microprocessor and a communication module, and the microprocessor is electrically connected with the communication module, the pressure sensor, the electrical impedance detection electrode, the photoelectric sensor and the electrocardio detection electrode respectively.

3. The intelligent electronic scale according to claim 2, further comprising a display module and a power module, wherein the display module and the power module are disposed in the cavity and are both electrically connected to the microprocessor.

4. The intelligent electronic scale according to claim 2, wherein the hand-held electrode bar is provided with a temperature sensor electrically connected with the microprocessor for detecting the body temperature of the human body.

5. The intelligent electronic scale according to claim 2, wherein the communication module is at least one of a bluetooth module, a Wifi module, a ZigBee module, and an RFID module.

6. The intelligent electronic scale according to claim 2, wherein an interface is arranged on the bottom shell, and the handheld electrode bar is electrically connected with the microprocessor through a connecting wire and the interface.

7. The intelligent electronic scale according to claim 3, wherein the display module is an LCD display screen or an LED display screen.

8. The intelligent electronic scale according to claim 4, wherein the temperature sensor is an NTC negative temperature coefficient thermistor sensor.

9. The intelligent electronic scale according to any one of claims 1 to 8, wherein the electrical impedance detection electrodes are evenly distributed on the support panel.