CN216206973U - Intelligent body fat scale control circuit and body fat scale - Google Patents
Intelligent body fat scale control circuit and body fat scale Download PDFInfo
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- CN216206973U CN216206973U CN202121204688.7U CN202121204688U CN216206973U CN 216206973 U CN216206973 U CN 216206973U CN 202121204688 U CN202121204688 U CN 202121204688U CN 216206973 U CN216206973 U CN 216206973U
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Abstract
The utility model discloses an intelligent body fat scale control circuit, which comprises: the device comprises a control module, a power supply module, a weighing sensing module, an analog-to-digital conversion module, a Bluetooth module, a voice module and an OLED display module; the power module, the analog-to-digital conversion module, the Bluetooth module, the voice module and the OLED display module are respectively and electrically connected with the control module, and the weighing sensing module, the analog-to-digital conversion module, the Bluetooth module, the voice module and the OLED display module are respectively and electrically connected with the power module; the weighing sensing module is electrically connected with the analog-to-digital conversion module; the Bluetooth module is used for being in wireless communication connection with the mobile terminal. The utility model expands the functions of the input and output interface of the intelligent body fat scale control circuit, has high reliability and improves the user experience.
Description
Technical Field
The utility model relates to the technical field of electronic scales, in particular to an intelligent body fat scale control circuit and a body fat scale.
Background
With the increasing popularity of food business, people have been threatened by the health condition of people due to the large intake of sugar, fat, heat and the like. Therefore, a 'measurement and balance' is urgently needed to prompt and warn people, and the normal needs and the healthy development of the human body are guaranteed. Therefore, the 'body fat scale' is produced accordingly. However, with the rise of the prior art of internet technology and the improvement of the living standard of modern people, the existing body fat scale has a single function and cannot meet the increasing cultural and living needs of human beings. Therefore, the utility model of an intelligent body fat scale control circuit is a problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a body fat scale and a control circuit thereof, which are used to control a body fat scale.
The utility model discloses an intelligent body fat scale control circuit, which comprises a control module, a power supply module, a weighing sensing module, an analog-to-digital conversion module, a Bluetooth module, a voice module and an OLED display module, wherein the control module is used for controlling the power supply module; the power module, the analog-to-digital conversion module, the Bluetooth module, the voice module and the OLED display module are respectively and electrically connected with the control module, and the weighing sensing module, the analog-to-digital conversion module, the Bluetooth module, the voice module and the OLED display module are respectively and electrically connected with the power module; the weighing sensing module is electrically connected with the analog-to-digital conversion module; the Bluetooth module is used for being in wireless communication connection with the mobile terminal.
Preferably, the intelligent body fat scale control circuit further comprises a key selection module; the key selection module is electrically connected with the power supply module and the control module respectively and is used for switching the working mode of the intelligent body fat scale.
Preferably, the intelligent body fat scale control circuit further comprises a buzzer module; the buzzer module is electrically connected with the power supply module and the control module respectively.
Preferably, the weighing sensing module is a parallel beam weighing sensor, and the parallel beam weighing sensor is electrically connected with the power module and the analog-to-digital conversion module respectively.
Preferably, the analog-to-digital conversion module comprises a first interface unit, an analog-to-digital conversion unit and a second interface unit; the first interface unit is electrically connected with the parallel beam weighing sensor, the analog-to-digital conversion unit is electrically connected with the first interface unit and the control module respectively, the second interface unit is electrically connected with the analog-to-digital conversion unit, and the control module is electrically connected with the second interface unit.
Preferably, the chip model of the analog-to-digital conversion unit is HX 711.
Preferably, the chip model of the Bluetooth module is HC-05 Bluetooth module.
In a second aspect, the utility model also discloses a body fat scale, which comprises the intelligent body fat scale control circuit of the first aspect.
The intelligent body fat scale control circuit disclosed by the utility model has the following beneficial effects that: the device comprises a control module, a power supply module, a weighing sensing module, an analog-to-digital conversion module, a Bluetooth module, a voice module and an OLED display module; the power module, the analog-to-digital conversion module, the Bluetooth module, the voice module and the OLED display module are respectively and electrically connected with the control module, and the weighing sensing module, the analog-to-digital conversion module, the Bluetooth module, the voice module and the OLED display module are respectively and electrically connected with the power module; the weighing sensing module is electrically connected with the analog-to-digital conversion module; the Bluetooth module is used for being in wireless communication connection with the mobile terminal. The power supply module is used for providing rated working voltage; the weighing sensing module is used for detecting a human body weight signal, converting the human body weight signal into an electric signal and transmitting the electric signal to the analog-to-digital conversion module; the analog-to-digital conversion module is used for performing analog-to-digital conversion on the electric signal and then transmitting the electric signal to the control module; the control module is used for driving the LOED display module to display after processing the digital signal output by the analog-to-digital conversion module; the Bluetooth module is connected with the control module through a serial port and is used for realizing remote control and data recording of the intelligent body fat scale and the mobile terminal; the voice module is used for broadcasting the body fat parameters and the weight parameters processed by the control module in a voice mode. Therefore, the intelligent body fat scale control circuit provided by the utility model has the advantages that the function of the body fat scale is expanded based on the Internet of things, the reliability is high, and the user experience is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:
FIG. 1 is a schematic block diagram of an intelligent body fat scale control circuit in accordance with a preferred embodiment of the present invention;
FIG. 2 is a schematic block diagram of an intelligent body fat scale control circuit according to another preferred embodiment of the present invention;
FIG. 3 is a circuit diagram of an analog-to-digital conversion module of an intelligent body fat scale control circuit according to a preferred embodiment of the present invention;
FIG. 4 is a circuit diagram of an OLED display module of a smart body fat scale control circuit in accordance with a preferred embodiment of the present invention;
fig. 5 is a block diagram of a buzzer of a control circuit of an intelligent body fat scale according to a preferred embodiment of the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
Example one
Fig. 1 shows a preferred embodiment of the present invention, which includes a control module 1, a power module 2, a weighing sensor module 3, an analog-to-digital conversion module 4, a bluetooth module 5, a voice module 6, and an OLED display module 7; the power module 2, the analog-to-digital conversion module 4, the bluetooth module 5, the voice module 6 and the OLED display module 7 are respectively electrically connected with the control module 1, and the weighing sensing module 3, the analog-to-digital conversion module 4, the bluetooth module 5, the voice module 6 and the OLED display module 7 are respectively electrically connected with the power module 2; the weighing sensing module 3 is electrically connected with the analog-to-digital conversion module 4; the Bluetooth module 5 is used for carrying out wireless communication connection with the mobile terminal. The power supply module 2 is used for providing rated working voltage; the weighing sensing module 3 is used for detecting a human body weight signal, converting the human body weight signal into an electric signal and transmitting the electric signal to the analog-to-digital conversion module 4; the analog-to-digital conversion module 4 is used for performing analog-to-digital conversion on the electric signal and then transmitting the electric signal to the control module 1; the control module 1 is used for driving the LOED display module 7 to display after processing the digital signal output by the analog-to-digital conversion module 4; the Bluetooth module 5 is connected with the control module 1 through a serial port and is used for realizing remote control and data recording of the intelligent body fat scale and the mobile terminal; voice module 6 is used for reporting the body fat parameter and the weight parameter after control module 1 handles out through the speech form. Therefore, the intelligent body fat scale control circuit provided by the utility model has the advantages that the function of the body fat scale is expanded based on the Internet of things, the reliability is high, and the user experience is improved.
Preferably, referring to fig. 2 and 4, the control circuit of the intelligent body fat scale further includes a key selection module 8; the key selection module 8 is electrically connected with the power module 2 and the control module 1 respectively, and the key selection module 8 is used for switching the working mode of the intelligent body fat scale. It can be understood that, in the present embodiment, the key selection module is used for performing human-computer interaction. When a user presses a first key of the key selection module 8, a GPIO port of the control module 1 receives a continuous high-level signal, and the intelligent body fat scale works to upload related data to a networked mobile terminal; when a user presses a second key of the key selection module 8, another GPIO port of the control module 1 receives a continuous high level signal, the intelligent body fat scale stops networking, and related data such as a connection state, body fat parameters, weight parameters and health parameters are displayed only through the OLED display module.
Preferably, referring to fig. 5, the intelligent body fat scale control circuit further comprises a buzzer module 9; the buzzer module 9 is electrically connected with the power module 2 and the control module 1 respectively. It can be understood that, in this embodiment, the buzzer module 9 is used to make an audible alarm to remind the user that the data uploading is failed. In another preferred embodiment, the buzzer module may or may not be provided.
Preferably, the weighing sensing module 3 is a parallel beam weighing sensor, and the parallel beam weighing sensor is electrically connected with the power module 2 and the analog-to-digital conversion module 4 respectively. It can be understood that the parallel beam sensor has high precision, wide measuring range, long service life, simple structure and excellent frequency response, so that the utility model has high reliability.
Preferably, referring to fig. 3, the analog-to-digital conversion module 4 includes a first interface unit 41, an analog-to-digital conversion unit 42, and a second interface unit 43; the first interface unit 41 is electrically connected to the parallel beam load cell, the analog-to-digital conversion unit 42 is electrically connected to the first interface unit 41 and the control module 1, the second interface unit 43 is electrically connected to the analog-to-digital conversion unit 42, and the control module 1 is electrically connected to the second interface unit 43.
Preferably, the chip model of the analog-to-digital conversion unit is HX 711. It can be understood that the control module described in this embodiment is an MCU (micro controller Unit), which is also called a Single Chip Microcomputer (Single Chip Microcomputer) or a Single Chip Microcomputer, and is a Central processing Unit (Central processing Unit) with a model of ESP 32-writer-B. The HX711 analog-to-digital converter is a 24-bit high-precision analog-to-digital converter chip, has a working voltage of 2.6V to 5.5V, has two analog channel inputs, and is connected with the main control chip ESP32 through a clock line PD _ SCK and a data line DOUT at the output end of the second interface unit 41, and is used for outputting weighing data converted into digital signals.
Preferably, the chip model of the bluetooth module 5 is HC-05 bluetooth module 5. It is understood that, in another preferred embodiment, the chip model of the HC-05 bluetooth module 5 is not particularly limited.
Example II
The utility model also discloses a body fat scale, which comprises the intelligent body fat scale control circuit.
In summary, the control circuit of the intelligent body fat scale provided by the utility model comprises a control module 1, a power module 2, a weighing sensing module 3, an analog-to-digital conversion module 4, a bluetooth module 5, a voice module 6 and an OLED display module 7; the power module 2, the analog-to-digital conversion module 4, the bluetooth module 5, the voice module 6 and the OLED display module 7 are respectively electrically connected with the control module 1, and the weighing sensing module 3, the analog-to-digital conversion module 4, the bluetooth module 5, the voice module 6 and the OLED display module 7 are respectively electrically connected with the power module 2; the weighing sensing module 3 is electrically connected with the analog-to-digital conversion module 4; the Bluetooth module 5 is used for carrying out wireless communication connection with the mobile terminal. The power supply module 2 is used for providing rated working voltage; the weighing sensing module 3 is used for detecting a human body weight signal, converting the human body weight signal into an electric signal and transmitting the electric signal to the analog-to-digital conversion module 4; the analog-to-digital conversion module 4 is used for performing analog-to-digital conversion on the electric signal and then transmitting the electric signal to the control module 1; the control module 1 is used for driving the LOED display module 7 to display after processing the digital signal output by the analog-to-digital conversion module 4; the Bluetooth module 5 is connected with the control module 1 through a serial port and is used for realizing remote control and data recording of the intelligent body fat scale and the mobile terminal; voice module 6 is used for reporting the body fat parameter and the weight parameter after control module 1 handles out through the speech form. Therefore, the intelligent body fat scale control circuit provided by the utility model has the advantages that the function of the body fat scale is expanded based on the Internet of things, the reliability is high, and the user experience is improved.
The above detailed description of the control circuit of the intelligent body fat scale and the body fat scale provided by the present invention, and the specific examples are applied herein to explain the principle and the implementation of the present invention, and the description of the above examples is only used to help understand the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be a change in the specific implementation and application scope, and in summary, the content of the present specification is only an implementation of the present invention, and not a limitation to the scope of the present invention, and all equivalent structures or equivalent flow transformations made by the content of the present specification and the attached drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention. And should not be construed as limiting the utility model.
Claims (8)
1. An intelligent body fat scale control circuit, comprising: the device comprises a control module, a power supply module, a weighing sensing module, an analog-to-digital conversion module, a Bluetooth module, a voice module and an OLED display module; the power module, the analog-to-digital conversion module, the Bluetooth module, the voice module and the OLED display module are respectively and electrically connected with the control module, and the weighing sensing module, the analog-to-digital conversion module, the Bluetooth module, the voice module and the OLED display module are respectively and electrically connected with the power module; the weighing sensing module is electrically connected with the analog-to-digital conversion module; the Bluetooth module is used for being in wireless communication connection with the mobile terminal.
2. The intelligent body fat scale control circuit of claim 1, further comprising a key selection module; the key selection module is electrically connected with the power supply module and the control module respectively and is used for switching the working mode of the intelligent body fat scale.
3. The intelligent body fat scale control circuit of claim 1, further comprising a buzzer module; the buzzer module is electrically connected with the power supply module and the control module respectively.
4. The control circuit of an intelligent body fat scale according to claim 1, wherein the weight sensing module is a parallel beam weight sensor, and the parallel beam weight sensor is electrically connected to the power supply module and the analog-to-digital conversion module respectively.
5. The intelligent body fat scale control circuit of claim 4, wherein the analog-to-digital conversion module comprises a first interface unit, an analog-to-digital conversion unit and a second interface unit; the first interface unit is electrically connected with the parallel beam weighing sensor, the analog-to-digital conversion unit is electrically connected with the first interface unit and the control module respectively, the second interface unit is electrically connected with the analog-to-digital conversion unit, and the control module is electrically connected with the second interface unit.
6. The intelligent fat scale control circuit of claim 5, wherein the analog-to-digital conversion unit has a chip model of HX 711.
7. The intelligent body fat scale control circuit of claim 1, wherein the chip model of the bluetooth module is HC-05 bluetooth module.
8. A body fat scale comprising the intelligent body fat scale control circuit of any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121204688.7U CN216206973U (en) | 2021-05-31 | 2021-05-31 | Intelligent body fat scale control circuit and body fat scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121204688.7U CN216206973U (en) | 2021-05-31 | 2021-05-31 | Intelligent body fat scale control circuit and body fat scale |
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| Publication Number | Publication Date |
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| CN216206973U true CN216206973U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121204688.7U Active CN216206973U (en) | 2021-05-31 | 2021-05-31 | Intelligent body fat scale control circuit and body fat scale |
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2021
- 2021-05-31 CN CN202121204688.7U patent/CN216206973U/en active Active
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