CN207066500U - A kind of portable multi-function traverse measurement system - Google Patents

Abstract

The utility model provides a portable multifunctional mobile measurement system. Its structure includes a controller embedded on the support frame, a power supply module, a communication module and several measurement modules. The several measurement modules are PM2.5 sensors, formaldehyde sensors, mold sensors, blood pressure sensors, heart rate sensors, temperature sensors, and humidity sensors. At least two of an ultraviolet sensor, an alcohol sensor, a blood oxygen sensor and a pesticide residue sensor; the controller is connected to each measurement module and the communication module, and the controller is used to receive and process the data measured by each measurement module, and the processed The measured data is sent to the mobile terminal through the communication module. The utility model integrates a variety of sensors, controllers, power supply modules and communication modules into one body, which is not only small in size and convenient to carry, but also reduces the cost; using the hardware advantages of mobile terminals and the mobile Internet, it can realize real-time online all-round measurement parameter.

Description

A Portable Multifunctional Mobile Measuring System

technical field

The utility model relates to a sensor and information technology, in particular to a portable multifunctional mobile measuring system.

Background technique

As people's awareness of energy conservation, environmental protection, and food safety increases, it is not only the responsibility of government-related measurement agencies to equip relevant measuring instruments to detect the pollution level of the environment and whether the purchased food is safe, but individual citizens also have a strong awareness And wish to monitor everything around you in real time by purchasing instruments, such as PM2.5, formaldehyde, mold, blood pressure, heart rate, temperature, humidity, ultraviolet rays, alcohol content, blood oxygen level, pesticide residues and other parameters. At present, only a single instrument can detect these parameters, and one instrument can only measure one or two parameters, and it is too large to carry around; the price of the instrument is also relatively high, so most of them are purchased by some units and departments , while ordinary residents buy less.

Utility model content

The purpose of this utility model is to provide a portable multifunctional mobile measurement system, which can measure PM2.5, formaldehyde, mold, blood pressure, heart rate, temperature, humidity, ultraviolet rays, alcohol, blood oxygen, pesticide residues And other sensors are integrated into one, and can be combined with mobile terminals to realize real-time online all-round measurement of related data.

The purpose of this utility model is achieved in this way: a portable multifunctional mobile measurement system, including a controller embedded on the support frame, a power supply module, a communication module and several measurement modules, each measurement module corresponds to a sensor, several The sensor is at least two of PM2.5 sensor, formaldehyde sensor, mold sensor, blood pressure sensor, heart rate sensor, temperature sensor, humidity sensor, ultraviolet sensor, alcohol sensor, blood oxygen sensor and pesticide residue sensor; for supplying power to the controller and each measurement module; the controller is connected to each measurement module and the communication module, and the controller is used to receive and process the data measured by each measurement module, and the processed measurement The data is sent to the mobile terminal through the communication module, so as to realize single-parameter measurement or Simultaneous measurement of multiple parameters.

The controller includes a single-chip microcomputer, an AD conversion chip, a digital program-controlled multi-way switch and a frequency divider; the digital program-controlled multi-way switch is connected with each measurement module, the single-chip microcomputer and the AD conversion chip, and the AD conversion chip It is also connected with the frequency divider and the single-chip microcomputer; the single-chip microcomputer switches each measurement module by controlling the digital program-controlled multi-way switch for data collection, and the data collected by the digital program-controlled multi-way switch is sent to the The AD conversion chip performs analog-to-digital conversion, and the rate of the analog-to-digital conversion is controlled by the frequency divider; the data after the analog-to-digital conversion is sent to the single-chip microcomputer, and the single-chip microcomputer is connected with the communication module, and the single-chip microcomputer passes through the The above-mentioned communication module can send the data after analog-to-digital conversion to the mobile terminal.

The power supply module is composed of a dual-output AC rectifier module; the power supply module provides 25V voltage for each measurement module; tor provides 5V.

There are several small grids arranged in a matrix on the support frame, the controller, the power supply module and each measurement module are respectively embedded in different small grids on the support frame, the communication module and the The above controllers are in the same cell.

The mobile terminal is a mobile phone; the size of the supporting frame is not larger than that of the mobile phone, and the supporting frame is arranged on the back of the mobile phone in the form of a protective shell of the mobile phone.

The communication module is an RJ45 module, a GSM module, a Bluetooth module or a WiFi module.

The utility model will be used to measure PM2.5, formaldehyde, mold, blood pressure, heart rate, temperature, humidity, ultraviolet rays, alcohol content, blood oxygen level, pesticide residues and other sensors, controllers, power modules and communication modules Organically integrated into a support frame to form a portable multifunctional mobile measurement system, the mobile measurement system can receive the data detected by each sensor under the control of the controller, and can also send these data to the mobile terminal through the communication module. The mobile terminal may be, for example, a mobile phone, a notebook, a tablet computer, and the like. Specific application measurement software can be installed in the mobile terminal, and the computing and processing capabilities of the mobile terminal can be used to realize multi-parameter detection, storage and display, and at the same time, the mobile Internet can be used to upload the measurement results marked with location information to the designated network processor. At present, almost everyone has a smartphone, so it is easy to realize large-scale mobile online measurement, and finally form big data. These data will be able to analyze the measurement results of a certain parameter in an area, such as PM2.5, and can analyze a city. Which regions have high concentrations and which regions have low concentrations, and what causes this difference, and then seek measures to reduce it.

The utility model integrates a variety of sensors, controllers, power supply modules and communication modules into one body, which is not only small in size and convenient to carry, but also reduces the cost; it uses the hardware advantages of the mobile terminal and the mobile Internet to realize real-time online all-round measurement parameters ; It not only ensures the personal safety of citizens, but also helps to promote energy conservation and environmental protection.

Description of drawings

Fig. 1 is a structural schematic diagram of a portable multifunctional mobile measuring system in the utility model.

Fig. 2 is a structural schematic diagram of the connection between the portable multifunctional mobile measuring system and the mobile phone through data lines in the utility model.

Fig. 3 is a front view of the portable multifunctional mobile measurement system in the utility model after it is used as a protective case for a mobile phone.

Fig. 4 is a side view of the portable multifunctional mobile measurement system in the utility model as a mobile phone protective case.

Fig. 5 is a schematic diagram of the main circuit structure and working principle of the controller in the present invention.

Fig. 6 is a schematic diagram of the main circuit structure and working principle of the power supply module in the present invention.

Detailed ways

As shown in Figure 1 and Figure 2, the portable multifunctional mobile measurement system provided by the utility model includes a power supply module 9, a controller 10, a communication module and several measurement modules, eight measurement modules are shown in Figure 1, each A measurement module is a modular structure of a sensor. The eight sensors in Figure 1 are PM2.5 sensor 1, formaldehyde sensor 2, mold sensor 3, blood pressure sensor 4, ultraviolet sensor 5, alcohol sensor 6, blood Oxygen sensor 7 and pesticide residue sensor 8. In this embodiment, PM2.5 sensor 1 is SDS011 laser PM2.5 sensor, formaldehyde sensor 2 is MQ138 formaldehyde sensor, mold sensor 3 is RVLM-A type microbial rapid detection system, blood pressure sensor 4 is MPS20N0040D-S type blood pressure sensor, ultraviolet Sensor 5 is TP-6 semiconductor ultraviolet sensor, alcohol sensor 6 is MQ-3 semiconductor alcohol sensor, blood oxygen sensor 7 is MEAS ELM3000 series blood oxygen sensor, and pesticide residue sensor 8 can be found in the paper "Biosensors in the Detection of Organophosphorus Pesticides". Introduction in "Applications in . The power supply module 9 is respectively connected to the eight sensors through power lines, and is used to provide +24V working voltage to the eight sensors respectively. The power supply module 9 is also connected to the controller 10 for supplying power to the controller 10 . The output terminals of the eight sensors are all connected to the controller 10, and the controller 10 is connected to the mobile phone 11 through the communication module. Under the control of the controller 10, data transmission between each sensor and the mobile phone 11 can be realized through the communication module. The communication module shown in FIG. 2 is a wired communication module (such as an RJ45 module), which is connected to the mobile phone 11 through a data line. In other embodiments, the communication module can also be a wireless communication module, such as a GSM module, a Bluetooth module, or a WiFi module. In other embodiments, the mobile phone can also be replaced with another mobile terminal.

The power supply module 9, the controller 10, the communication module and eight measurement modules are all embedded on the support frame 12. The support frame 12 is a flat plate structure, and ten small grids are arranged on the surface of the support frame 12. The small grids are arranged in a matrix form of five rows and two columns; the power supply module 9 , the controller 10 and eight measurement modules are respectively embedded in different small grids on the support frame 12 . The communication module is connected with the controller 10, and both are in the same small grid. The power supply module 9 , the controller 10 and the communication module are located in the small grid at the bottom of the support frame 12 to facilitate the connection of the communication module with the mobile phone 11 .

According to the needs of users, different measurement modules can be embedded in the small grid of the support frame 12, and the measurement modules can also be appropriately increased or decreased, for example, heart rate sensors, temperature sensors, humidity sensors, etc. can be added; of course, different measurement modules can also be replaced. Measurement module. A heart rate sensor is also called a pulse sensor, which is widely used in the market; for example, a heart rate sensor is embedded in Huawei Mate9, and heart rate sensors are also embedded in some smart watches and bracelets. Temperature sensor and humidity sensor can be integrated into one, for example: American Omega portable detector, used to detect temperature and relative humidity. The utility model is convenient for installation and replacement because each sensor is designed as a modular structure.

The mobile measurement system shown in Figure 2 is connected to the mobile phone through a data line (it can also be connected through GSM, Bluetooth or WiFi instead of a data line), and the mobile measurement system can be made relatively Small, no more than the size of a mobile phone. At the same time, users can freely replace the mobile phone, while the mobile measurement system does not need to be replaced.

As shown in Figure 3 and Figure 4, the support frame 12 can also be designed as a mobile phone protective case to cover the back and side of the mobile phone 11, and the power module, controller, communication module and all measurement modules are embedded in the support The frame 12 is on the board surface where the back of the mobile phone 11 is in contact; the mobile phone 11 and the mobile measurement system are integrated by this connection method, which is more convenient to carry. The support frame 12 is provided with an expansion interface 14 (for wireless connection) and a data output interface 15 (for wired connection), and the communication module is connected to the interface 13 on the mobile phone 11 through the expansion interface 14 or the data output interface 15 .

Under the control of the controller, the data measured by each sensor can be transmitted to the mobile phone through the communication module. The user can also install a specific measurement application program on the mobile phone, make the mobile phone communicate with the mobile measurement system in the utility model, and run the measurement application program on the mobile phone to realize single-parameter detection or multi-parameter simultaneous detection, etc., and the detection is completed You can choose whether to save the data, whether you are willing to open the positioning system to upload the data, after a large amount of data is uploaded to the server, it can be analyzed and processed, and you can intuitively see the measurement results of certain parameters in different regions, ranging from large to national or even global, small To a city, a district can be analyzed separately, for the reference of relevant departments and individual citizens.

The specific circuit principles of the controller and the power supply module in the utility model are introduced below.

As shown in Figure 5, Figure 5 is a schematic diagram of the main circuit structure and working principle of the controller. In the figure, the main control MCU of the controller is an ARM architecture single-chip microcomputer STM32F103 with 32-bit calculation accuracy. The forward channel includes an AD conversion chip MAX111, a digital program-controlled multiplexer CD4051 and a CD4060 frequency divider. Two pieces of CD4051 can connect eight groups of sensors. Connect the PM2.5 sensor, formaldehyde sensor, mold sensor, blood pressure sensor, ultraviolet sensor, alcohol sensor, blood oxygen sensor and pesticide residue sensor respectively. Among them, some sensors need 24V DC power supply, so the maximum 25V DC voltage is reserved in the power module branch road. The single-chip microcomputer controls two CD4051 time-sharing switching sensors to collect data, and collects data from one sensor each time. The data collected by CD4051 is converted to analog by AD conversion chip MAX111, and the rate of analog-to-digital conversion is controlled by frequency divider CD4060. Because some sensor signals are weak, an amplifier is added to one of the CD4051 to amplify the data signal, and the amplified data is then converted from analog to digital by MAX111. The analog-to-digital conversion adopts 12-bit precision AD accessed by SPI data programming, and the advantage is that it occupies less ports. The digital temperature and humidity sensor can be converted by the A port 12AD that comes with the single-chip microcomputer without amplification and tempering treatment. The B port and C port of the single-chip microcomputer are respectively connected to four groups of communication modules, which are RJ45 network card module, GSM sending and The receiving module, bluetooth module and WiFi module can use different modules to communicate with mobile phones in different working environments. Under the environment, the GSM module can be used to send and receive short messages, collect data communication and command communication of mobile phones.

The circuit structure of the power supply module is shown in Figure 6, which is composed of a dual-output AC rectifier module, which can obtain positive 25V and negative 25V voltage, and the positive 25V voltage can supply power to the sensor; after passing through 7812 and 7912, it can obtain positive 12V and negative 12V Voltage, positive and negative 12V is the voltage required by the amplifier; the positive 12V voltage passes through the 7805 to obtain the positive 5V voltage required by the TTL chips CD4051 and CD4060; the positive 5V voltage passes through the ASM1117-3.3 to obtain a 3.3V voltage for the microcontroller. According to the overall power requirements, the power of the AC transformer can be 150W AC coil. In addition, there is a rechargeable battery in the power supply, which can provide positive and negative 25V voltage when there is no alternating current, and can be disconnected from the battery when there is alternating current, and can be directly powered by alternating current.

Claims (6)

1. a kind of portable multi-function traverse measurement system, it is characterized in that, including controller, power supply mould on support frame Group, communication module and some measurement modules, the corresponding sensor of each measurement module, some sensors are PM2.5 sensings Device, formaldehyde sensor, mold sensor, blood pressure sensor, heart rate sensor, temperature sensor, humidity sensor, ultraviolet pass At least two in sensor, alcohol sensor, blood oxygen transducer and residues of pesticides sensor；The power supply module is used for described Controller and the power supply of each measurement module；The controller connects with each measurement module and the communication module, the controller Data are surveyed for receiving and handling each measurement module, and the measurement data after processing can be sent to shifting through the communication module Dynamic terminal, so as to realize to PM2.5, formaldehyde, mould, blood pressure, heart rate, temperature, humidity, ultraviolet, alcoholic strength, blood oxygen amount and agriculture One-parameter measurement or multi parameter simultaneous measuring in these parameters of medicine residual quantity.

2. portable multi-function traverse measurement system according to claim 1, it is characterized in that, the controller includes monolithic Machine, AD conversion chip, digital program controlled variable connector and frequency divider；The digital program controlled variable connector and each measurement module, institute State single-chip microcomputer and the AD conversion chip connect, the AD conversion chip also with the frequency divider and the single-chip microcomputer phase Connect；The single-chip microcomputer carries out data acquisition by controlling the digital program controlled variable connector timesharing to switch each measurement module, through institute The data for stating the collection of digital program controlled variable connector send to the AD conversion chip and carry out analog-to-digital conversion, the speed of analog-to-digital conversion by The frequency divider control；Data after analog-to-digital conversion are sent to the single-chip microcomputer, the single-chip microcomputer to connect with the communication module, The single-chip microcomputer can be sent the data after analog-to-digital conversion to mobile terminal by the communication module.

3. portable multi-function traverse measurement system according to claim 2, it is characterized in that, the power supply module is by lose-lose Go out AC rectification module composition；The power supply module provides 25V voltages for each measurement module, meanwhile, the power supply module is institute State single-chip microcomputer, the digital program controlled variable connector and the frequency divider and 5V voltages are provided.

4. portable multi-function traverse measurement system according to claim 1, it is characterized in that, it is provided with support frame as described above Some sub-boxes in matrix arrangement, the controller, the power supply module and each measurement module are respectively embedded in support On frame in different sub-boxes, the communication module is in same sub-box with the controller.

5. portable multi-function traverse measurement system according to claim 1, it is characterized in that, the mobile terminal is hand Machine；The size of support frame as described above is not more than the size of mobile phone, and support frame as described above is arranged on mobile phone in the form of mobile phone protecting case The back side.

6. portable multi-function traverse measurement system according to claim 1, it is characterized in that, the communication module is RJ45 Module, gsm module, bluetooth module or WiFi module.