CN201689491U - Infrared intelligent heat metering device with super-low power consumption - Google Patents
Infrared intelligent heat metering device with super-low power consumption Download PDFInfo
- Publication number
- CN201689491U CN201689491U CN2009202576072U CN200920257607U CN201689491U CN 201689491 U CN201689491 U CN 201689491U CN 2009202576072 U CN2009202576072 U CN 2009202576072U CN 200920257607 U CN200920257607 U CN 200920257607U CN 201689491 U CN201689491 U CN 201689491U
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- infrared
- heat
- metering device
- power consumption
- heat metering
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Abstract
The utility model relates to an infrared intelligent heat metering device with super-low power consumption, which mainly comprises a valve, a battery, a flow sensor, a temperature sensor, liquid crystal, a microcontroller, an infrared transmitting and receiving portion and the like. The MCU microcontroller obtains flow signals from the flow sensor, obtains outlet water temperature signals and inlet water temperature signals from a temperature measuring circuit and computes consumed heat according to a method provided by a national standard, an infrared transceiver circuit is used for conversion between infrared optical signals and electric pulse signals capable of being processed by the MCU microcontroller, the infrared transceiver circuit transmits and receives infrared remote control information and is a channel for information exchange between a user terminal system and a communication system, and an infrared interface of the infrared heat metering device can receive data information from a heat purchasing card and store the data information into a storage device. Simultaneously, actual use of electricity of the heat metering device can be fed back to the heat purchasing card by the aid of an infrared transmitting port for inputting heat use data into a database of a heat selling system for future reference when heat is purchased for a second time.
Description
(1), technical field
The utility model relates to a kind of hot measurement technology, discloses a kind of infrared intelligent heat metering device of super low-power consumption especially.
(2), background technology
Along with expanding economy, rationally utilize " heat " resource, reform heating charge mechanism has become current northern area heating system problem demanding prompt solution.For a long time, the heating system of China exists not science of peace area meter charging method always, energy dissipation is serious, the heating expense is taken over problems such as difficulty, in order effectively to address these problems and advance the reform of heating charge system, China Ministry of Construction issued in 2000＜＜covil construction administration of energy conservation regulation 〉, unite 8 ministries and commissions in July, 2003 again to have put into effect＜＜about the instruction of urban heating system reform pilot 〉, the central heating system that emphasizes newly-built dwelling house should use control of branch family and heat metering device, and progressively realizes the work by the table meterage.Thus, the heating reform is imperative with household metering.IC-card formula hot water gauge common on the market need leave the IC-card socket on table; suffer artificial destruction through regular meeting; be unfavorable for management; and cost an arm and a leg; cost of investment and economic benefit exist than big-difference; be not easy to popularize, the infrared intelligent heat metering device of a kind of super low-power consumption of my company research and development has not only kept the IC-card hot water gauge and has paid the fees earlier afterwards use the advantage of heat but also overcome the IC-card hot water gauge leave IC-card socket, artificial shortcoming such as destructible on showing.
(3), utility model content
Check meter in the process in order to solve present calorimeter, check meter difficulty, the difficulty of paying the fees, stop a series of problems such as heat supply difficulty and IC-card hot water gauge IC-card socket technological deficiency such as easily go to pot in use, but the pre-payment heat metering device of a kind of remote-controlled operation and control is provided.
The technical solution of the utility model:
The user holds non-contact IC and snaps into administrative authority and pay dues and purchase heat, and administrative authority writes the purchasing amount of money in the non-contact IC card, and the user can use this card.
A kind of infrared intelligent heat metering device chief component of super low-power consumption is by valve, battery, and flow sensor, temperature sensor, liquid crystal, microcontroller, infrared emission and receiving portion are grouped into.The MCU microcontroller obtains flow signal from flow sensor, obtains outlet and inlet water temperature signal from temperature measurement circuit, and the method that provides according to national standard calculates the heat of consumption.
Further scheme is: the MCU microcontroller is selected the MSP430FW42x of TI company for use.
Further scheme is: temperature sensor uses 2 Pt1000 thermal resistances, uses the method for slope AD to measure the resistance of thermal resistance and be converted into temperature.
Further scheme is: flow sensor uses the non-magnetic sensor scheme, adopts our company's wireless digital to intercept the flow measurement patented technology, uses 2 inductance probe, has improved the flow resolving power and can prevent shake.
LCD uses LCD panel, uses the built-in liquid crystal drive of CPU.
Radio-frequency card uses the 125KHz of atmel corp radio-frequency card.
Infrared part is made up of power valve and receiving tube, and receiving tube receives order, with regard to auto answer, carries out and return corresponding data (comprising functions such as amr message and setup parameter).
The utility model is characterized in that having comprised temperature sensor and non-magnetic sensor, wherein non-magnetic sensor is composed in parallel by capacitor C 5, inductance L 1, temperature sensor uses two Pt1000 thermal resistances, also include the power supply detection module, when voltage is lower than 2.7V, the P1.2 mouth of MCU microcontroller can be exported a low level signal, has also comprised the data processing unit of the reception both-way communication interface that has infrared emission.
The beneficial effects of the utility model:
(1) the utility model adopts 430 series monolithics of super low-power consumption, and infrared receiving unit adopts power supply at times, thereby has reduced the power consumption of complete machine, and makes static current of lcd less than 10uA.
(2) the infrared intelligent heat metering device of a kind of super low-power consumption of the utility model by this infrared interface, can be realized on-the-spot meter-reading function, satisfies flow, and temperature amounts to heat, surplus heat, and table such as battery status client information is convenient to field management.By this infrared interface, can realize that also the site infrare parameter is provided with function, realize the flux modification of on-the-spot calorimeter, measurement unit is set, functions such as the correction of internal information of statement.
(3) the infrared intelligent heat metering device of a kind of super low-power consumption of the utility model, infrared interface support the face-to-face communication distance to reach more than the 2.0m, obviously are better than like product.
(4) the utility model circuit and simple in structure, all operations all are contactless and remote controls, have guaranteed the sealing and the reliability of calorimeter, have also guaranteed the facility of security of users and operation.Got rid of because the fault that radio-frequency card and deck loose contact, wearing and tearing or artificial destruction bring when purchasing hot plug-in card.
(4) description of drawings
Accompanying drawing 1 is the system architecture diagram of the infrared intelligent heat metering device of a kind of super low-power consumption of the utility model
(5) embodiment
A kind of infrared intelligent heat metering device chief component of super low-power consumption is by valve, battery, flow sensor, temperature sensor, liquid crystal, microcontroller, infrared emission and the receiving portion composition that grades.The MCU microcontroller obtains flow signal from flow sensor, obtains outlet and inlet water temperature signal from temperature measurement circuit, and the method that provides according to national standard calculates the heat of consumption.Microcontroller is according to the unit price that the is provided with Igor Kanygin volume of examining and making cuts.
The MCU microcontroller is selected the MSP430FW42x of TI company for use
Temperature sensor uses 2 Pt1000 thermal resistances
Flow sensor uses the non-magnetic sensor scheme, adopts our company's wireless digital to intercept the flow measurement patented technology.
Infrared part is made up of power valve and receiving tube, and receiving tube receives order, with regard to auto answer, carries out and return corresponding data (comprising functions such as amr message and setup parameter).
The MCU microcontroller obtains flow signal from flow sensor, obtains outlet and inlet water temperature signal from temperature measurement circuit, and the method that provides according to national standard calculates the heat of consumption.What of the interior surplus heat of table single-chip microcomputer constantly detect, and finishes the break-make of heat by the switch of driving circuit control electromagnetic valve.The infrared receiving/transmission circuit is used to realize the conversion between ultrared light signal and the manageable electric impulse signal of MCU microcontroller, the transmission and the work of accepting that realize infrared remote control information are the passages of message exchange between client terminal system and the communication system, by this infrared interface, can realize on-the-spot meter-reading function, satisfy flow, temperature amounts to heat, surplus heat, table such as battery status client information.By this infrared interface, can realize that the site infrare parameter is provided with function, realize the flux modification of on-the-spot calorimeter, measurement unit is set, functions such as the correction of internal information of statement.By this infrared interface, also can realize on-the-spot calorimeter State Control function, realize the functions such as valve control of on-the-spot calorimeter, matching management department realizes ladder of management.The realization of this calorimeter infrared interface, the management function of dependence host computer, host computer can customize according to user's request, and is multiple functional, can expand special setting and control function.When heat was less than 1000KWH in the card, hotlist valve-closing 8S reminded shortage of heat in the subscriber card, please in time purchases heat.
Claims (2)
1. the infrared intelligent heat metering device of a super low-power consumption contains valve, battery, flow sensor, temperature sensor, liquid crystal, the MCU microcontroller, infrared emission and receiving portion are grouped into, and it is characterized in that: flow sensor uses the non-magnetic sensor scheme to be composed in parallel by capacitor C 5, inductance L 1.
2. the infrared intelligent heat metering device of a kind of super low-power consumption according to claim 1 is characterized in that: the data processing unit that has comprised the reception both-way communication interface that has infrared emission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202576072U CN201689491U (en) | 2009-10-27 | 2009-10-27 | Infrared intelligent heat metering device with super-low power consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202576072U CN201689491U (en) | 2009-10-27 | 2009-10-27 | Infrared intelligent heat metering device with super-low power consumption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201689491U true CN201689491U (en) | 2010-12-29 |
Family
ID=43377770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202576072U Expired - Lifetime CN201689491U (en) | 2009-10-27 | 2009-10-27 | Infrared intelligent heat metering device with super-low power consumption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201689491U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102289882A (en) * | 2011-05-18 | 2011-12-21 | 唐万春 | photovoltaic power supply prepayment intelligent water meter |
| WO2013039460A1 (en) * | 2011-09-14 | 2013-03-21 | Cherepnin Oleg Mikhailovich | Heat meter |
| CN103542951A (en) * | 2012-07-17 | 2014-01-29 | 长春工业大学 | Mining temperature sensor |
-
2009
- 2009-10-27 CN CN2009202576072U patent/CN201689491U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102289882A (en) * | 2011-05-18 | 2011-12-21 | 唐万春 | photovoltaic power supply prepayment intelligent water meter |
| CN102289882B (en) * | 2011-05-18 | 2012-10-03 | 唐万春 | Photovoltaic power supply prepayment intelligent water meter |
| WO2013039460A1 (en) * | 2011-09-14 | 2013-03-21 | Cherepnin Oleg Mikhailovich | Heat meter |
| CN103542951A (en) * | 2012-07-17 | 2014-01-29 | 长春工业大学 | Mining temperature sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SUNTRONT TECHNOLOGY CO., LTD. Free format text: FORMER NAME: HE'NAN SUNTRONT TECH. CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: In high tech Industrial Development Zone, Henan province Zhengzhou city 450001 Street No. 19 Patentee after: SUNTRONT TECHNOLOGY CO., LTD. Address before: In high tech Industrial Development Zone, Henan province Zhengzhou city 450001 Street No. 19 Patentee before: He'nan Suntront Tech. Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20101229 |
|
| CX01 | Expiry of patent term |