CN203224312U - Ultra-low-power intelligent-control high-precision ultrasonic heat meter - Google Patents

Ultra-low-power intelligent-control high-precision ultrasonic heat meter Download PDF

Info

Publication number
CN203224312U
CN203224312U CN 201320238719 CN201320238719U CN203224312U CN 203224312 U CN203224312 U CN 203224312U CN 201320238719 CN201320238719 CN 201320238719 CN 201320238719 U CN201320238719 U CN 201320238719U CN 203224312 U CN203224312 U CN 203224312U
Authority
CN
China
Prior art keywords
module
control module
support
table body
mcu processing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN 201320238719
Other languages
Chinese (zh)
Inventor
程波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shuifa Hangyuxing Iot Technology Liaoning Co ltd
Original Assignee
SHENYANG CITY HANGYUXING INSTRUMENT CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHENYANG CITY HANGYUXING INSTRUMENT CO Ltd filed Critical SHENYANG CITY HANGYUXING INSTRUMENT CO Ltd
Priority to CN 201320238719 priority Critical patent/CN203224312U/en
Application granted granted Critical
Publication of CN203224312U publication Critical patent/CN203224312U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Measuring Volume Flow (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

Provided is an ultra-low-power intelligent-control high-precision ultrasonic heat meter including an ultrasonic heat meter and a master controller. The ultrasonic heat meter includes a meter body, a support, a measuring tube, reflectors, a transducer and an integrator; the support is installed in the meter body, and the measuring tube is installed in the support; the reflectors connected with the support are disposed at the two ends of the measuring tube, and the transducer is disposed in the meter body above the reflectors; and a meter cassette holder is installed on a dial pedestal of the top of the meter body, and the integrator with a heat meter probe is hinged to one side of the meter cassette holder. The master controller which is a MSP430F413 single chip microcomputer is provided with a power supply module, a key control module, a storage module, a read-write card module, an infrared communication module, a MCU processing control module, a Wiegand signal acquisition module, and a liquid crystal display module. The ultrasonic heat meter of the utility model has advantages of small size, low power and high precision.

Description

Ultra-low power consumption intelligent control high-precision ultrasonic calorimeter
Technical field
The utility model relates to the measuring instrument technical field, particularly relates to for the novel family of house unit heating controlling the high-precision ultrasonic calorimeter with ultra-low power consumption intelligent.
Background technology
At present, be the Tianjin gold phoenix development in science and technology disclosed a kind of ultrasonic calorimeter of company limited (utility model patent) near the prior art that has existed of the present invention.This table comprises table body, reflector plate, is located at first transducer at table body receiving port place and is located at second transducer of showing body emission port place, the middle part at the top of table body is provided with circular open, reflector plate by bolt in the circular open place, a side of the reflecting surface of reflector plate extend the table body in.By the reflector plate spiral shell being loaded on the circular open place at the middle part of showing the body top, when in the pipeline because long-term when using fouling, open four gib screws, take out and install after the stainless steel reflector plate cleans, reached and need not tear the purpose that table can make table continue use open, extended in the table body by the side with the reflecting surface of reflector plate, reflector plate probes into the part of pipeline, can effectively solve air bubble problem, reach the purpose of accurate metering.
A kind of low-power consumption calorimeter (utility model patent) of Fuyang, Hangzhou instrument head factory and Zhongdao Science and Technology Development Co., Ltd., Hangzhou's development.This product Wiegand signal acquisition module is gathered ducted flow information, and output terminal is connected with the I/O mouth signal of MCU processing and control module; Inflow temperature and return water temperature are gathered in the temperature-measuring module collection respectively, and output terminal is connected with the I/O mouth signal of MCU processing and control module; The output terminal of button control module, the input end of LCD MODULE are connected with the I/O mouth signal of MCU processing and control module.Memory module, valve control module, read-write card module and infrared communication module are connected with the I/O mouth signal of MCU processing and control module respectively.The button control module comprises button K1, enables to read and write card module or infrared communication module respectively by the number of times of pressing of confirming button K1.After adopting 32 single-chip microcomputers of Cortex-M3 core design, power consumption is lower.
The ultrasonic calorimeter (utility model patent) of day electronics Development Co., Ltd development in the Tianjin, comprise table body, reflector plate and be arranged on two transducers showing in the body, it is characterized in that: described table body inwall is provided with two sedimentation holes, described sedimentation hole is corresponding with described transducer, is equipped with on the sedimentation hole for the support column of placing reflector plate.The beneficial effects of the utility model are: take the bigger reflector plate support of pipeline space by abandoning, employing is used for placing reflector plate to the less support column of pipeline flow influence, reduce the pipeline crushing greatly, prolonged the serviceable life of table tool, and effectively prevent from having influence on the accuracy of flow measurement because deformation of timbering causes current to produce turbulent flow.
A kind of novel heat meter (utility model patent) of Oufu Numerical Control Technique's development, comprise liquid crystal display, casing and probe, the casing top is provided with liquid crystal display, casing one side is provided with probe, the casing surface is provided with inquiry button, casing one end is provided with the magnetic card slot, and casing can upwards lift.The utility model is installed on the water inlet of caliduct, and requires level to install.Probe is used for measuring heat.During use, magnetic card is inserted the magnetic card slot of casing, use inquiry button, just can show the heat of caliduct at that time on the liquid crystal display, for conveniently using and read data, casing can upwards lift certain angle.Advantage of the present utility model is: easy for installation, simple to operate, and low price, the independent counting of realization every household, the humanization designing of casing, easy-to-read, the design of magnetic card slot, the convenient use, it is laborsaving to save worry.
Technical matters:
At present, the ultrasonic calorimeter on the home market is owing to the defective in the design, and usually build-up of pressure increases obstruction, the degree of accuracy of the big influence metering of accessory error; Most of phenotypes generally to calibrating and duty flow signal Bian with sampling interval time of different numerical value (the calibrating state is generally 1～2 second, and is generally 30～60 seconds during duty).The mode of operation of " dormancy " type of this long period is that the heat transport fluid flow velocity during the hypothesis " dormancy " is stablized and unalterable operating mode designs as principle of work, obvious this hypothesis and actual condition have greater difference, and are cost to sacrifice instrument precision; The sampling interval time is designed to two different states (calibrating state and duty), covered the metering precision uncertainty that this mode of operation brings for the instrumentation performance, escaped the risk of being examined and determine again, design as this mode of operation of measuring instrument of trade settlement is very ill-considered, because it has cut off the chased after retrospective of measurement standard, run counter to the measurement Law rules; The most Bian of the ultrasonic heat energy meter of some enterprises single pass ultrasound examination heat transport fluid of time difference method flow velocity, be to be that spot speed is adopted sample ﹚ to that local sampling inspection velocity measurement ﹙ of ultrasonic beam by velocity field only, the flow velocity that replaces whole velocity field, therefore this with point for the hypothesis of the sampling work pattern of the detection flow velocity of face before dike be that whole velocity field is even and stable in a cross section, this duty obviously only just might exist on calibrating installation, field working conditions is unlikely, this great deviation occurs when just making ultrasonic heat energy meter use the mean flow rate that detects velocity field at the scene, thereby the quality of using at the scene for ultrasonic heat energy meter has been buried hidden danger; The water-quality ratio of domestic central heating is more special, and not only " hardness " is higher, very easily fouling under the high temperature, and have various particulate contamination (as magnetized particles, iron bits impurity etc.), a spot of bubble even pollutants such as " floccuss " can occur.Under more special like this central heating water quality present situation, the calorimeter (all being the ultrasonic type calorimeter of various models more than 90%) that central heating is is at present installed and used, owing to have some fatal hidden danger of quality, larger area permanance reliability quality problems occurred.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of influence that effectively prevents iron rust impurity his-and-hers watches is provided, and do not have the magnetization sensing, wear-resisting, corrosion-resistant, attack protection, and the life-span is long, improves the ultra-low power consumption intelligent of measuring accuracy and sensitivity and controls the high-precision ultrasonic calorimeter.
The technical scheme that adopts is:
Ultra-low power consumption intelligent control high-precision ultrasonic calorimeter comprises ultrasonic calorimeter, master controller.Described ultrasonic calorimeter comprises table body, support, measuring tube, catoptron, transducer, integraph.Described support is contained in the table body, and the support two ends are with O type circle and the sealing of table body, and support is located in the table body by the register pin of the table body upper end of packing into, and register pin is fixed with holding screw and table body, and by the sealing of register pin O type circle.Described measuring tube is contained in the support, be positioned at the measuring tube two ends and be provided with the catoptron that is connected with support, be equiped with transducer in the top of the catoptron table body relatively, and seal with transducer O type circle, the gasket ring that transducer is equipped with by the upper end, end cap, loam cake compress, described table body top connects dial plate base and as a whole, the instrument cassette holder is housed on the dial plate base, the instrument cassette holder is fixed with Cross Recess Head Screw and loam cake, by dial plate base O type circle and the sealing of instrument cassette holder, the integraph and instrument cassette holder one side that have heat energy table probe are hinged, constitute ultrasonic calorimeter.
Above-mentioned master controller is the MSP430F413 single-chip microcomputer, is provided with power module, button control module, memory module, read-write card module, infrared communication module, MCU processing and control module, Wiegand signal acquisition module and LCD MODULE.The Wiegand signal acquisition module is gathered the flow information in the measuring tube, and the output terminal of Wiegand signal acquisition module is connected with the I/O mouth signal of MCU processing and control module; The temperature-measuring module collection is inflow temperature and return water temperature respectively, and temperature-measuring module is connected with the I/O mouth signal of MCU processing and control module; The output terminal of button control module is connected with the I/O mouth signal of MCU processing and control module; The input end of LCD MODULE is connected with the I/O mouth signal of MCU processing and control module; Memory module, read-write card module and infrared communication module are connected with the I/O mouth signal of MCU processing and control module respectively; Power module provides power supply for button control module, read-write card module, MCU processing and control module and Wiegand signal acquisition module.
The utlity model has that volume is little, low in energy consumption, advantage of high precision, it supports usb communication mode, uses the M-bus load mode and has realized that cold and hot design heavily switches, for heat metering provides new approaches.
Description of drawings
Fig. 1 is the utility model ultrasonic calorimeter synoptic diagram.
Embodiment
Ultra-low power consumption intelligent control high-precision ultrasonic calorimeter comprises ultrasonic calorimeter, master controller.Described ultrasonic calorimeter comprises table body 1, support 2, measuring tube 3, catoptron 5, transducer 7, integraph 18.Described support 2 is contained in the table body 1, and support 2 two ends are with O type circle 4 and 1 sealing of table body, and support 2 is by register pin 11 location in table body 1 of table body 1 upper end of packing into, and register pin 11 is fixing with table body 1 with holding screw 13, and by 12 sealings of register pin O type circle.Described measuring tube 3 is contained in the support 2, be positioned at measuring tube 3 two ends and be provided with the catoptron 5 that is connected with support, be equiped with transducer 7 in the top of the catoptron 5 table body relatively, and with 6 sealings of transducer O type circle, the gasket ring 8 that transducer 7 is equipped with by the upper end, end cap 9, loam cake 10 compresses, described table body 1 top connects dial plate base 14 and as a whole, instrument cassette holder 16 is housed on the dial plate base 14, instrument cassette holder 16 is fixing with loam cake 10 with Cross Recess Head Screw 17, by dial plate base O type circle 15 and 16 sealings of instrument cassette holder, the integraph 18 that has heat energy table probe is hinged with instrument cassette holder 16 1 sides, constitutes ultrasonic calorimeter.Described master controller is the MSP430F413 single-chip microcomputer, is provided with power module, button control module, memory module, read-write card module, infrared communication module, MCU processing and control module, Wiegand signal acquisition module and LCD MODULE.The Wiegand signal acquisition module is gathered the flow information in the measuring tube, and the output terminal of Wiegand signal acquisition module is connected with the I/O mouth signal of MCU processing and control module; Temperature-measuring module is gathered inflow temperature and return water temperature respectively, and temperature-measuring module is connected with the I/O mouth signal of MCU processing and control module; The output terminal of button control module is connected with the I/O mouth signal of MCU processing and control module; The input end of LCD MODULE is connected with the I/O mouth signal of MCU processing and control module; Memory module, read-write card module and infrared communication module are connected with the I/O mouth signal of MCU processing and control module respectively; Power module provides power supply for button control module, read-write card module, MCU processing and control module and Wiegand signal acquisition module.
The present invention
Figure 945455DEST_PATH_IMAGE001
Adopted repeatedly action of low-voltage pulse shooting techniques continuously, the power consumption when greatly having reduced ultrasonic work; Designed double T selecting frequency filtering network amplifier that brand-new asymmetric RC constitutes as automatic gain amplifier, the undesired signal that guaranteed under the distortionless situation of echoed signal filtering has effectively been amplified faint echoed signal.
Figure 340664DEST_PATH_IMAGE002
The charge-discharge circuit of designing uniqueness is used for asking connecing measures ultrasound wave time difference method scheme, has solved counter accuracy of timekeeping problem under little caliber, the low flow condition.Adopted the response time is short, performance is high Ptl000 thermal resistance as temperature sensor, solved the thermometric response time difference bigger problem that lags behind, made that simultaneously measuring signal to noise ratio (S/N ratio) has improved 2～10 times.The internal comparator that carries in conjunction with single-chip microcomputer and former existing theory have realized the high precision analogue conversion from having created class ∑ one △ algorithm.
Figure 155036DEST_PATH_IMAGE003
The Wiegand signal acquisition module is gathered ducted flow information, and the output terminal of Wiegand signal acquisition module is connected with the I/O mouth signal of MCU processing and control module; Inflow temperature and return water temperature are gathered in the temperature-measuring module collection respectively; The output terminal of button control module is connected with the I/O mouth signal of MCU processing and control module; The input end of LCD MODULE is connected with the I/O mouth signal of MCU processing and control module; Temperature-measuring module, memory module, valve control module, read-write card module and infrared communication module are connected with the I/O mouth signal of MCU processing and control module respectively; Power module provides power supply for button control module, valve control module, read-write card module, MCU processing and control module and Wiegand signal acquisition module.
Figure 289083DEST_PATH_IMAGE004
After adopting 32 single-chip microcomputers of Cortex-M3 core design, stronger than 430 traditional single-chip microcomputer processing poweies, merit
Consume lowlyer, wakeup time is shorter under the low-power consumption mode, has lowered the power consumption of circuit greatly, and static working current is less than 4 μ A, and the general work electric current reaches energy-saving effect less than the serviceable life that 12 μ A. have prolonged battery.
Figure 556117DEST_PATH_IMAGE005
Circuit is more compact simply, power consumption is lower, precision is higher.Algorithm by setting up the calorimeter mathematical model, selecting the heat enthalpy value method to handle as data has designed the high precision calorimeter based on the MSP430 microprocessor.In order to reduce power consumption, shorten the working time of CPU as far as possible, utilize each mode of operation of MSP430, reasonably switch and utilize the I/O mouth that module for power supply is controlled, above-mentioned formation ultra-low power consumption intelligent control high-precision ultrasonic calorimeter.

Claims (2)

1. ultra-low power consumption intelligent is controlled the high-precision ultrasonic calorimeter, comprise ultrasonic calorimeter, master controller, described ultrasonic calorimeter comprises table body (1), support (2), measuring tube (3), catoptron (5), transducer (7), integraph (18), it is characterized in that described support (2) is contained in the table body (1), support (2) two ends are with O type circle (4) and table body (1) sealing, support (2) is by register pin (11) location in table body (1) of table body (1) upper end of packing into, register pin (11) is fixing with holding screw (13) and table body (1), and by register pin O type circle (12) sealing, measuring tube (3) is contained in the support (2), be positioned at measuring tube (3) two ends and be provided with the catoptron (5) that is connected with support, be equiped with transducer (7) in the top of catoptron (5) the table body relatively, and seal with transducer O type circle (6), the gasket ring (8) that transducer (7) is equipped with by the upper end, end cap (9), loam cake (10) compresses, table body (1) top connects dial plate base (14) and as a whole, instrument cassette holder (16) is housed on the dial plate base (14), instrument cassette holder (16) is fixing with Cross Recess Head Screw (17) and loam cake (10), by dial plate base O type circle (15) and instrument cassette holder (16) sealing, the integraph (18) that has heat energy table probe is hinged with instrument cassette holder (16) one sides, constitutes ultrasonic calorimeter.
2. ultra-low power consumption intelligent according to claim 1 is controlled the high-precision ultrasonic calorimeter, it is characterized in that described master controller is the MSP430F413 single-chip microcomputer, be provided with power module, button control module, memory module, read-write card module, infrared communication module, MCU processing and control module, Wiegand signal acquisition module and LCD MODULE, the Wiegand signal acquisition module is gathered the flow information in the measuring tube, and the output terminal of Wiegand signal acquisition module is connected with the I/O mouth signal of MCU processing and control module; Temperature-measuring module is gathered inflow temperature and return water temperature respectively, and temperature-measuring module is connected with the I/O mouth signal of MCU processing and control module; The output terminal of button control module is connected with the I/O mouth signal of MCU processing and control module; The input end of LCD MODULE is connected with the I/O mouth signal of MCU processing and control module; Memory module, read-write card module and infrared communication module are connected with the I/O mouth signal of MCU processing and control module respectively; Power module provides power supply for button control module, read-write card module, MCU processing and control module and Wiegand signal acquisition module.
CN 201320238719 2013-05-07 2013-05-07 Ultra-low-power intelligent-control high-precision ultrasonic heat meter Expired - Lifetime CN203224312U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320238719 CN203224312U (en) 2013-05-07 2013-05-07 Ultra-low-power intelligent-control high-precision ultrasonic heat meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320238719 CN203224312U (en) 2013-05-07 2013-05-07 Ultra-low-power intelligent-control high-precision ultrasonic heat meter

Publications (1)

Publication Number Publication Date
CN203224312U true CN203224312U (en) 2013-10-02

Family

ID=49251315

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320238719 Expired - Lifetime CN203224312U (en) 2013-05-07 2013-05-07 Ultra-low-power intelligent-control high-precision ultrasonic heat meter

Country Status (1)

Country Link
CN (1) CN203224312U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103257002A (en) * 2013-05-07 2013-08-21 沈阳市航宇星仪表有限责任公司 Ultra-low-power-consumption intelligent-control high-precision ultrasonic heat meter
CN104062035A (en) * 2014-06-05 2014-09-24 中国航天科技集团公司第五研究院第五一三研究所 Main control circuit of heat meter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103257002A (en) * 2013-05-07 2013-08-21 沈阳市航宇星仪表有限责任公司 Ultra-low-power-consumption intelligent-control high-precision ultrasonic heat meter
CN104062035A (en) * 2014-06-05 2014-09-24 中国航天科技集团公司第五研究院第五一三研究所 Main control circuit of heat meter
CN104062035B (en) * 2014-06-05 2016-08-24 中国航天科技集团公司第五研究院第五一三研究所 The governor circuit of calorimeter

Similar Documents

Publication Publication Date Title
CN201281639Y (en) Ultrasonic heat energy meter
CN105758478A (en) Stainless-steel ultrasonic water meter
CN107389160B (en) Detection device and detection method for detecting gas meter card
CN103257002A (en) Ultra-low-power-consumption intelligent-control high-precision ultrasonic heat meter
CN203224312U (en) Ultra-low-power intelligent-control high-precision ultrasonic heat meter
CN203772794U (en) Portable PH meter calibration device
CN105758477A (en) Wireless valve control ultrasonic water meter
CN201653579U (en) Portable intelligent temperature difference measuring instrument
CN202041329U (en) Ultrasonic heat meter
CN104964767A (en) Low-energy-consumption and high-precision heat metering device
CN106092274A (en) A kind of diaphragm gas meter rapid verification method based on auto-correlation algorithm
CN202209965U (en) Flow meter
CN205228682U (en) Ultrasonic wave calorimeter based on pressure gauge
CN205373784U (en) Balanced calculating system of fluid meter utensil and fluid
CN102706485A (en) Ultrasonic heat meter with double flowmeters
CN204924500U (en) Integral type electromagnetism calorimeter
CN204903250U (en) Tail gas automatic collection device
CN101907500A (en) Ultrasonic heat meter with arc shaped upper part of cross section of inner hole of base meter
CN203414207U (en) High-accuracy metering supersonic wave calorimeter
CN202676326U (en) Low power consumption heat meter
CN102810226B (en) Low-power-consumption high-precision heat meter
CN206906536U (en) Ultrasonic water meter PCB circuit on-line measuring devices
CN206339271U (en) A kind of high precision wireless ultrasonic liquid flow meter
CN202677516U (en) Prepaid ultrasonic wave heat meter
Zheng et al. An innovative principle in self-calibration by dual ultrasonic sensor and application in rain gauge

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
CP01 Change in the name or title of a patent holder

Address after: 110045 Liaoning Province, Shenyang City District Civil Street No. 50-1

Patentee after: LIAONING HANGYUXING INSTRUMENT NETWORK TECHNOLOGY CO.,LTD.

Address before: 110045 Liaoning Province, Shenyang City District Civil Street No. 50-1

Patentee before: SHENYANG CITY HANGYUXING INSTRUMENT Co.,Ltd.

CP03 Change of name, title or address

Address after: 110000 No. 68-d2, guizhuxiang street, Sujiatun District, Shenyang City, Liaoning Province

Patentee after: Shuifa hangyuxing IOT Technology (Liaoning) Co.,Ltd.

Address before: 110045 No. 50-1 Civilian Street, Dadong District, Shenyang City, Liaoning Province

Patentee before: LIAONING HANGYUXING INSTRUMENT NETWORK TECHNOLOGY CO.,LTD.

CP03 Change of name, title or address
CX01 Expiry of patent term

Granted publication date: 20131002

CX01 Expiry of patent term