CN203338562U

CN203338562U - Intelligent heat meter information collector

Info

Publication number: CN203338562U
Application number: CN201320472486XU
Authority: CN
Inventors: 王向强; 张文心; 王运坤; 潘芬
Original assignee: YANTAI DEER AOTOCONTROL-TECH Co Ltd
Current assignee: YANTAI DEER AOTOCONTROL-TECH Co Ltd
Priority date: 2013-08-05
Filing date: 2013-08-05
Publication date: 2013-12-11
Anticipated expiration: 2023-08-05

Abstract

The utility model relates to an intelligent heat meter information collector which comprises a first 485 circuit, a first 485 chip, an STM32F103RCT6 master chip and a GPRS remote transmission chip, wherein the first 485 circuit, the first 485 chip, the STM32F103RCT6 master chip and the GPRS remote transmission chip are serially connected in sequence, the first 485 circuit, the first 485 chip and the STM32F103RCT6 master chip are used for connecting a handheld computer, and the GPRS remote transmission chip is used for connecting a remote transmission circuit. The STM32F103RCT6 master chip is further connected with a series of circuits in parallel, wherein one circuit is sequentially and serially connected with an MBUS control chip and an MBUS host computer circuit used for connecting an MBUS heat meter from the STM32F103RCT6 master chip, and the other circuit is sequentially and serially connected with a second 485 chip and a second 485 circuit used for connecting a 485 heat meter from the STM32F103RCT6 master chip. The intelligent heat meter information collector solves the problems that an existing heat meter collector is low in reliability, not capable of collecting information of heat meters of a plurality of users at the same time, and poor in information processing capacity.

Description

A kind of Intellectual Heat Meter information acquisition device

Technical field

The utility model relates to a kind of Intellectual Heat Meter information acquisition device.

Technical background

Along with the development of heat supply undertaking, the continuous increase of heat supply user quantity, and the implementation of national metering heating policy, traditional meter reading method more and more can not meet the demand of present situation.It is low that the general existence of existing hotlist collector gathers reliability, and can not be simultaneously a plurality of users' hotlist be carried out to information acquisition, and the poor problem of the processing power of self.

The utility model content

The purpose of this utility model is to provide a kind of Intellectual Heat Meter information acquisition device, and the reliability that is intended to solve existing hotlist collector is low, can not be simultaneously a plurality of users' hotlist be carried out to information acquisition, and the poor problem of self information processing power.

In order to solve the problems of the technologies described above, the utility model by the following technical solutions:

A kind of Intellectual Heat Meter information acquisition device, is characterized in that, comprises successively series connection: for the one 485 circuit that connects palm PC, the one 485 chip, STM32F103RCT6 master chip, for connecting the GPRS teletransmission chip of teletransmission circuit; Also be parallel with the latticing circuit on described STM32F103RCT6 master chip, start to connect successively from described STM32F103RCT6 master chip on a circuit: MBUS control chip, for connecting the MBUS host circuit of MBUS hotlist; On another circuit, from described STM32F103RCT6 master chip, start to connect successively: the 2 485 chip, for connecting the 2 485 circuit of 485 hotlists; The utility model also comprises: connected the multiple power supplies output terminal of connecting live wire and zero line, described multiple power supplies output terminal connects respectively: GPRS teletransmission chip, the 2 485 chip, MBUS hotlist.

The beneficial effects of the utility model are:

1, the utility model is realized a plurality of calorimeters are carried out to data acquisition by the MBUS/RS485 circuit of checking meter, and same bus can gather dissimilar calorimeter; Expanded RS485, two kinds of buses of MBUS on data acquisition bus, can be used for connecing the calorimeter of two kinds of different bus, integrated multiple calorimeter agreement in the collector agreement simultaneously, can be on same bus the calorimeter of carry different manufacturers.

2, adopt the information of a plurality of calorimeters of collection that the utility model can fast and stable, and promptly and accurately be sent to remote administration terminal.As the data transmission channel of concentrator and calorimeter, directly forward order and data between low pressure concentrator and calorimeter.After a data acquisition success ratio of collector is debugged successfully at the scene, after being no less than altogether 200 copy readings, wireless, carrier wave copy reading success ratio >=98%, wired copy reading success ratio >=99%.

3, the utlity model has the history data store function, store at most the data in 2 heating cycles every day; And the time point of storage can be arranged according to user's requirement.

4, the utility model for gather a plurality of calorimeters with thermal information after, can carry out exchanges data with concentrator, carry out the logout such as classification, collection, the storage of data, the failure of transmitting, check meter and self check from functions such as recoveries, the set automatic uplink time active upload data according to the user.

5, the utlity model has the display screen expanded function, can expand industrial display screen according to customer requirements.

The reliability that has solved existing hotlist collector is low, can not be simultaneously a plurality of users' hotlist be carried out to information acquisition, and the poor problem of self information processing power.

The accompanying drawing explanation

Figure l is topological structure schematic diagram of the present utility model.

Fig. 2 is the utility model master chip schematic diagram.

Fig. 3 is the utility model MBUS transtation mission circuit figure.

Fig. 4 is the utility model MBUS receiving circuit figure.

Embodiment

Below in conjunction with accompanying drawing, the utility model is further described:

As shown in Figure 1, Figure 2, Figure 3 shows, a kind of Intellectual Heat Meter information acquisition device comprises successively series connection: for the one 485 circuit that connects palm PC, the one 485 chip, STM32F103RCT6 master chip, for connecting the GPRS teletransmission chip of teletransmission circuit; Also be parallel with the latticing circuit on described STM32F103RCT6 master chip, start to connect successively from described STM32F103RCT6 master chip on a circuit: MBUS control chip, for connecting the MBUS host circuit of MBUS hotlist; On another circuit, from described STM32F103RCT6 master chip, start to connect successively: the 2 485 chip, for connecting the 2 485 circuit of 485 hotlists; The utility model also comprises: connected the multiple power supplies output terminal of connecting live wire and zero line, described multiple power supplies output terminal connects respectively: GPRS teletransmission chip, the 2 485 chip, MBUS hotlist.

1, the utility model collector ，You tetra-road MBUS circuit interface of checking meter.Can access 128 road calorimeters simultaneously.And be provided with connection terminal and insulating element, described connection terminal and insulating element thereof form terminal row, and described connection terminal comprises forceful electric power terminal and light current terminal, wherein forceful electric power terminal and light current terminal spaced apart.

2, the utility model collector, the model of master chip is STM32F103RCT6.This master chip has built-in ARM core, with all ARM instrument and softwarecompatibles.The onboard flash memory storer that has 64K or 128K byte, for depositing program and data.Support three kinds of low-power consumption modes, comprise sleep pattern, shutdown mode and standby mode, these three kinds of patterns can require to reach best balance between low-power consumption, short start-up time and multiple wake events.In sleep pattern, only have CPU to stop, all peripheral hardwares are in running order and can when interrupt/event, wake CPU up.In shutdown mode, in the situation that keep SRAM and content of registers not to lose, shutdown mode can reach minimum power consumption.Under shutdown mode, stop the power supply of all inner 1.8V parts, RC oscillator and the HSE crystal oscillator of PLL, HSI are closed, and pressure regulator can be placed in general mode or low-power consumption mode.Can microcontroller be waken up from shutdown mode by the signal of arbitrary EXTI of being configured to, the EXTI signal can be the wake-up signal of output, RTC alarm clock or the USB of one of 16 exterior I/O mouth, PVD.Can reach minimum power consumption under standby mode.Inner voltage regulator is closed, and therefore the power supply of all inner 1.8V parts is cut off; RC oscillator and the HSE crystal oscillator of PLL, HSI also are closed; After entering standby mode, the content of SRAM and register will disappear, but the content of backing register still retains, and stand-by circuit is still worked.The condition exited from standby mode is: external reset signal, the IWDG NRST resets, a rising edge on the WKUP pin along or the alarm clock of RTC then.

3, the utility model collector adopts M72-D as the GPRS communication module, and the functions such as the note of support GSM/GPRS900/1800MHZ, data transmission, have the characteristics of small size, low-power consumption.Its minimum size (27.5*24*3.6mm), meet the space requirement in nearly all commercial Application, and be embedded in the application of all kinds of number biography product by pad.It adopts Low-power Technology, and current power dissipation, under sleep pattern DRX=5, is low to moderate 0.9mA.

4, the utility model collector, adopt the communication module of DTM228C as CDMA, its standard RS232 interface, data transmission rate is up to 153Kbps, can be by AT order Long-distance Control, extra small size: 37*27.5*2.9, meet the space requirement in nearly all commercial Application, and be embedded in the application of all kinds of number biography product by pad.It is fully in accordance with the TIA/EIA/IS-98C standard, operating voltage: battery is that 3.4V ~ 4.3V external direct current power supply is 4.0V ~ 5.0V, peak power output: 0.3W, current drain: at holding state<1.5mA, at running status=700mA, reach the low-power consumption effect.The receive frequency of this module: 869.04 ~ 893.97 MHz transmission frequencies: 824.04 ~ 848.97 MHz.

5, the utility model collector, the working power rated voltage be 220V, permissible variation-20%～+ 20%; Frequency is 50Hz, permissible variation-6%～+ 2%.Under non-communications status, the applied power of collector consumption is not more than 5VA, active power is not more than 3W.Its downlink communication channel can be supported the RS485 bus.An accessible 1-128 calorimeter of collector.RS485 interface transfer rate is 1200-19200bps, and default value is 19200bps.

6, the utility model collector, connect external connecting line through connection terminal, and connection terminal and insulating element thereof form terminal row.Forceful electric power terminal and light current terminal spaced apart, possess effective insulation isolation.The structure of forceful electric power outlet terminal should be 1.5～2.5mm with cross section ²extension line coordinate.The metal that collector may be touched in normal operation partly is connected to independently on the protective ground terminal.Ground terminal should have clearly ground connection symbol.The sectional area of ground terminal should be not less than 20mm ².

Claims

1. an Intellectual Heat Meter information acquisition device, is characterized in that, comprises successively series connection: for the one 485 circuit that connects palm PC, the one 485 chip, STM32F103RCT6 master chip, for connecting the GPRS teletransmission chip of teletransmission circuit; Also be parallel with two circuits on described STM32F103RCT6 master chip, start to connect successively from described STM32F103RCT6 master chip on a circuit: MBUS control chip, for connecting the MBUS host circuit of MBUS hotlist; On another circuit, from described STM32F103RCT6 master chip, start to connect successively: the 2 485 chip, for connecting the 2 485 circuit of 485 hotlists; Also comprise: connected the multiple power supplies output terminal of connecting live wire and zero line, described multiple power supplies output terminal connects respectively: GPRS teletransmission chip, the 2 485 chip, MBUS hotlist.