CN205619983U - Liquid flow's measurement collection device - Google Patents

Abstract

The utility model discloses a liquid flow measurement and collection device, which comprises a single-chip microcomputer and a flow data acquisition module, a clock module, a display module, a storage module, and a host computer respectively connected to the single-chip microcomputer. The flow data acquisition module is used for flow information and then It is converted into an input signal that the single-chip microcomputer can receive, the clock module is used to obtain real-time time information, the single-chip microcomputer is used to process data and output the processing results, and the display module is used to display the collected flow value and the current time information corresponding to the flow information , the storage module is used to store flow information and corresponding time information, the storage medium used by the storage module is an SD card, and the host computer is used to retrieve and view data information. The utility model is a simple, convenient and humanized liquid flow measurement and collection device designed on the basis of the existing materials in the laboratory. lost.

Description

A device for measuring and collecting liquid flow

technical field

The utility model relates to a measuring and collecting device for liquid flow.

Background technique

In some laboratory measurements and actual production environments, the measurement of liquid flow and the recording and collection of measurement data are very important tasks. At this stage, there are many types of flow collection devices. Although they can measure and collect flow, these The problems faced by the device are complex installation and maintenance, easy loss of information, small storage, inconvenient operation for relevant personnel, limited displayed information, and so on.

Utility model content

The technical problem to be solved by the utility model is to provide a liquid flow measuring and collecting device, which is composed of commonly used equipment in the laboratory, with simple structure, convenient installation and maintenance, convenient information storage, and simple and convenient operation.

The purpose of this utility model is achieved by the following technical solutions:

A liquid flow measurement and collection device, comprising a single-chip microcomputer and a flow data acquisition module, a clock module, a display module, a storage module, and an upper computer respectively connected to the single-chip microcomputer, and the flow data acquisition module is used for flow information and then converted into a single-chip microcomputer The input signal that can be received, the clock module is used to obtain real-time time information, the single-chip microcomputer is used to perform data processing and output the processing results, and the display module is used to display the collected flow value and flow information corresponding For current time information, the storage module is used to store flow information and corresponding time information, the storage medium used by the storage module is an SD card, and the host computer is used to call and view data information. The SD card is convenient for storage and has a large storage capacity. It is necessary to use the SD card as the storage medium when recording a large amount of data and collecting data for a long time.

Preferably, the single-chip microcomputer is connected with an LED indicator for displaying the working status.

The above-mentioned LED indicator light is composed of two light-emitting diodes. Two light-emitting diodes indicate storage working status and communication working status respectively.

Preferably, the single-chip microcomputer adopts AT89C52 chip. The chip is rich in internal and external resources, and its control precision and operation speed are sufficient to meet the needs of this design.

Preferably, the flow data acquisition module adopts a flow transmitter. The flow information is collected by the flow transmitter and then converted into an input signal that the microcontroller can receive.

Preferably, the clock module adopts DS1302 real-time clock chip. DS1302 is a real-time clock chip with high performance, low power consumption, and RAM. It can time the year, month, day, week, hour, minute, and second, and it has the function of leap year compensation.

Preferably, the display module is mainly composed of a pull-up resistor and an LCD12864 liquid crystal screen. LCD12864 liquid crystal screen has low voltage and low power consumption, flexible interface mode, stable and reliable display record.

Preferably, the single-chip microcomputer communicates with the host computer through the RS485 communication interface. The RS485 communication interface is used to exchange and transmit relevant flow information. The RS485 interface is a differential communication method with fast communication speed, long transmission distance and strong anti-interference ability.

Beneficial effects of the utility model: The utility model is a simple, convenient and humanized liquid flow measurement and collection device designed on the basis of the existing materials in the laboratory. The structure is simple, the installation and maintenance are convenient, and the SD card is used as the storage medium. , Large storage capacity, information is not easy to lose.

Description of drawings

Fig. 1 is the structural representation of the utility model.

detailed description

Below in conjunction with accompanying drawing and specific embodiment the utility model is further introduced:

A liquid flow measurement and collection device, comprising a single-chip microcomputer and a flow data acquisition module, a clock module, a display module, a storage module, and an upper computer respectively connected to the single-chip microcomputer, and the flow data acquisition module is used for flow information and then converted into a single-chip microcomputer The input signal that can be received, the clock module is used to obtain real-time time information, the single-chip microcomputer is used to perform data processing and output the processing results, and the display module is used to display the collected flow value and flow information corresponding Current time information, the storage module is used to store flow information and corresponding time information, the storage medium used by the storage module is an SD card, and the upper computer is written by the Labview software of NI Company, so that relevant personnel can retrieve and view it conveniently , Labview uses the graphical editing language G to write programs, which is easy to program and humanized to display.

In this embodiment, the single-chip microcomputer is connected with an LED indicator light for displaying the working status, and the LED indicator light is composed of two light-emitting diodes. In addition, the single-chip microcomputer is also connected with a power supply module for providing power.

In this embodiment, the single-chip microcomputer adopts the AT89C52 chip, the flow data acquisition module adopts a flow transmitter, the clock module adopts the DS1302 real-time clock chip, and the display module is mainly composed of a pull-up resistor and an LCD12864 liquid crystal screen. The single-chip microcomputer communicates with the host computer through the RS485 interface.

The working principle of the utility model is: when the flow information changes, the single-chip machine will continuously refresh the display screen to display the flow data at the current time according to the real-time flow data obtained by the flow transmitter and the time information of the corresponding clock module. At the same time, A large amount of relevant data information and corresponding time information can be stored in the SD card of the storage module in the form of files, and can also communicate with the host computer through the RS485 interface, and directly display relevant information on the host computer for relevant personnel to retrieve, view and analyze. In addition, through The LED indicator lights respectively indicate the storage working status and the communication working status.

The above content is a further detailed description of the utility model in combination with specific preferred embodiments, and it cannot be assumed that the specific implementation of the utility model is only limited to these descriptions. For a person of ordinary skill in the technical field to which the utility model belongs, without departing from the concept of the utility model, some simple deduction or substitutions can also be made, which should be regarded as belonging to the protection scope of the utility model.

Claims (6)

1. A measuring and collecting device for liquid flow, characterized in that: It includes a single-chip microcomputer and a flow data acquisition module, a clock module, a display module, a storage module, and an upper computer respectively connected to the single-chip microcomputer, The flow data acquisition module is used to collect flow information and then convert it into an input signal that the single-chip microcomputer can receive, The clock module is used to obtain real-time time information, The single-chip microcomputer is used for data processing and output processing results, The display module is used to display the collected flow value and the current time information corresponding to the flow information, The storage module is used to store flow information and corresponding time information, and the storage medium used by the storage module is an SD card, The upper computer is used to call and view data information, The single-chip microcomputer is connected with an LED indicator light for displaying the working status, and the LED indicator light is composed of two light-emitting diodes. 2. A liquid flow measuring and collecting device according to claim 1, characterized in that: said single-chip microcomputer adopts AT89C52 chip. 3 . The device for measuring and collecting liquid flow according to claim 1 , wherein the flow data acquisition module adopts a flow transmitter. 4 . 4. A liquid flow measurement and collection device according to claim 1, characterized in that: the clock module uses a DS1302 real-time clock chip. 5. The device for measuring and collecting liquid flow according to claim 1, wherein the display module is mainly composed of a pull-up resistor and an LCD12864 liquid crystal screen. 6 . The device for measuring and collecting liquid flow according to claim 1 , wherein the single-chip microcomputer communicates with the host computer through the RS485 interface. 7 .