CN201233286Y - Ultrasonic thermal metering device - Google Patents
Ultrasonic thermal metering device Download PDFInfo
- Publication number
- CN201233286Y CN201233286Y CNU2008200140647U CN200820014064U CN201233286Y CN 201233286 Y CN201233286 Y CN 201233286Y CN U2008200140647 U CNU2008200140647 U CN U2008200140647U CN 200820014064 U CN200820014064 U CN 200820014064U CN 201233286 Y CN201233286 Y CN 201233286Y
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- meter
- gsm
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- heat
- intake tunnel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model belongs to the field of a heat metering device and particularly relates to an ultrasonic heat metering device, comprising a meter reading terminal, a GSM/GPRS network and a detection control center; wherein, a water inlet channel (2) of the heat meter (2) adopts an Omega type structure; transducer assembly bins (4, 4') are arranged at a position which is level with a top channel of the water inlet channel (2); assembly bins of temperature sensors (5, 5') are positioned at a position at which the water inlet channel (2) and a water outlet channel (3) are communicated with each other; output interfaces of the transducers and temperature sensors are connected with a data interface of the meter; a data transmission interface of the heat meter is connected with an input port of a modem of GSM/GPRS network of the meter reading terminal; an output port of a modem of GSM/GPRS network of the meter reading terminal is connected with a modem of GSM/GPRS network of a detection control terminal through the GSM/GPRS network; the port of the modem of GSM/GPRS network of the detection control terminal is connected with that of a transmission terminal of meter reading information.
Description
Technical field
The utility model belongs to the thermal gauge field, relates in particular to a kind of ultrasonic heat measuring apparatus.
Background technology
The heat energy table is mainly used in the consumption of metering user system capacity, can measure thermal energy consumption, also can measure cold energy consumption.At present, there are following characteristics in the heat energy table that occurs on the market:
1, existing heat energy table (comprising ultrasonic heat energy meter) all is the flow measurement chamber that is made by metal material or installs nonmetallic gauge line additional in measurement chamber.Because the actual worker of the medium of present domestic heating system is spacious to be that impurity is many, bubble is many, metallic ion is many, cause the easy fouling of metallic cavity, produce sound wave distortion turbulent, that bubble is received sound wave emissions (reception) system in the heat energy table at cavity after installing nonmetallic pipe additional, volume (quality) the flow distortion of calculating (computing formula of volumetric flow rate be will measure pipeline sectional area as constant, well imagine if incrustation changes the sectional area consequence).Sound wave emissions (reception) mode of existing ultrasonic heat energy meter adopts the Z type, utilizes the tube wall reflection or install the velocity contrast that reflection unit calculates sound wave additional in pipeline.As long as tube wall or reflecting material fouling will influence the accuracy of metering equally.Make narrow and small its design of actual flow cavity space itself increase the pressure loss of fluid greatly owing to install reflection unit additional in the chamber by the heat energy table.
2, the flow metering chamber of existing ultrasonic heat energy meter adopts straight length to be not easy to accurately install the position of ultrasonic emitting and receiving trap, measuring channel produces turbulent flow and makes it actual flow---center flow velocity is doubtful in real energy measurement pipeline, measures inaccurate.
3, the flow metering chamber of existing indivedual ultrasonic heat energy meters adopts the ∏ type at ∏ type one word end ultrasonic emitting (reception) device-transducer to be installed respectively, has solved the problem of fluid-velocity survey distortion.But because of its pipeline be ∏ type fluid to flow through ∏ type ∏ end be the right angle, fluid will produce turbulent, cause the flow measurement accuracy to guarantee.
4, the temperature survey of existing heat energy table (comprising ultrasonic heat energy meter) is carried out separately, is installed in outside the table body, can artificially be damaged unavoidably, increases user's cost.
5, existing heat energy table (comprising ultrasonic heat energy meter) is calculating the duty of all not considering measurement instrument itself on the principle, thus its to measure the result be interim, and degree of confidence can't guarantee in high level.
6, existing heat energy table (comprising ultrasonic heat energy meter) is not all considered user's thermal equilibrium on structural design, the thermal equilibrium of each unit is regulated in system, not only make the hot population equilibrium of system, can also make user's energy consumption of same homalographic (the environment for use condition is approximate) similar, totally energy-conservation, more can realize the long-range profound management such as bolt of opening.
The utility model content
The utility model is intended to overcome the deficiencies in the prior art part and a kind of measuring accuracy height is provided, and non-scaling in the fluid cavity is low in energy consumption, uses easy to maintenancely, has anti-theft feature, and antijamming capability is strong, can carry out the ultrasonic heat measuring apparatus that remote detection is controlled.
For achieving the above object, the utility model is achieved in that
A kind of ultrasonic heat measuring apparatus, it comprises meter reading terminal, the GSM/GPRS network of being furnished with heat meter and detects control center; Described heat meter comprises the housing that contains the display part, is fitted to intake tunnel and exhalant canal in the housing; Described intake tunnel adopts Ω type structure; In described housing with the intake tunnel top duct mutually mean place be furnished with transducer assembling storehouse; The position that communicates with intake tunnel and exhalant canal in described housing is furnished with temperature sensor assembling storehouse; In the described transducer assembling storehouse in transducer and the temperature sensor assembling storehouse in the output port of temperature sensor and the meter reading terminal data-interface of heat meter join; Described detection control center comprises single-chip microcomputer, hot meter, detects control end GSM/GPRS/ net modulator-demodular unit and amr message transmission terminal; The transmit port of described amr message transmission terminal connects the port of single-chip microcomputer and hot meter; The port of described single-chip microcomputer and the port of hot meter join; Described meter reading terminal comprises heat meter and meter reading terminal GSM/GPRS net modulator-demodular unit; The data transmission port of described heat meter connects the input port of meter reading terminal GSM/GPRS net modulator-demodular unit; The output port of described meter reading terminal GSM/GPRS net modulator-demodular unit detects control end GSM/GPRS net modulator-demodular unit through the GSM/GPRS network insertion; The port of described detection control end GSM/GPRS net modulator-demodular unit and the port of amr message transmission terminal join.
As a kind of preferred version, detection described in the utility model control center also is provided with detection control apparatus and charging and inquiry unit; Described detection control apparatus and charging and inquiry unit are connected to the transmit port of single-chip microcomputer and hot meter.
Meter reading terminal described in the utility model also is furnished with meter-copy device; The FPDP of described heat meter is joined through the input port of meter-copy device and meter reading terminal GSM/GPRS net modulator-demodular unit.
The axis in transducer assembling described in the utility model storehouse and the axis of intake tunnel top duct are overlapping.
The radius of curvature R of each bend of intake tunnel described in the utility model all equates and satisfies: R 〉=4d, d are the diameter of intake tunnel top duct.
The utility model can be furnished with solenoid valve on described intake tunnel and exhalant canal; The data-interface of heat meter joins in the FPDP of described solenoid valve and the meter reading terminal.
The main part activity of the utility model display part and housing connects.
Housing described in the utility model can adopt nonmetallic materials to make.
The port diameter of intake tunnel described in the utility model is greater than the diameter of intake tunnel top duct.
In addition, the utility model can be furnished with battery compartment in described housing.
The utility model measuring accuracy height, non-scaling in the fluid cavity, low in energy consumption, use easy to maintenancely, have anti-theft feature, antijamming capability is strong, can carry out remote detection and control, and compared with prior art has following characteristics:
1, measurement chamber is used nonmetal Ω type, with the design of function solid types such as temperature sensor, control, calculating, uses the RS485 bus, with on-the-spot (long-range) control device of being uploaded to of continuous data, condition execution instruction.
2, the water return pipeline that advances in measuring apparatus is cast into nonmetal electrical ball valve realization thermal equilibrium (flow) control function.
3, scene (long-range) control device that the extensive integrated CPU of use high speed, high capacity RAM and peripheral circuit, embedded GPRS communication module, CATV (cable television) interface module etc. are made can carry out degree of confidence analysis, storage, warning to the continuous data of measuring apparatus; Carry out user's supervisory instruction, open bolt, regulate thermal equilibrium (flow conciliation), storage data (dividing season, the moon, temperature etc.) by customer requirements
4, utilize popularization, the CATV (cable television) two-way interaction of GMS/GPRS network, the cheapness of internet and company's existing network server hard disc combine, the client software of the special exploitation of use company, as long as the user lands corporate server, input IP opens the software operation interface, the input password, enter the information interface of user's special use,, carry out the operation (opening bolt, thermal equilibrium adjusting etc.) of different levels according to the authority difference.
Elemental user (resident) direct-reading operating position at the scene can also be understood use information on CATV (cable television), also can arrive the user interface of company's site, input user profile (ID, and be unique), inquiry, with company's interaction.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.Protection domain of the present utility model will not only be confined to the statement of following content.
Fig. 1 is the one-piece construction synoptic diagram of the utility model heat meter;
Fig. 2 be the utility model heat meter Fig. 1 part along A-A to cut-open view;
Fig. 3 be the utility model heat meter Fig. 1 part along B-B to cut-open view;
Fig. 4 be the utility model heat meter Fig. 1 part along C-C to cut-open view;
Fig. 5 is the utility model hop theory diagram;
Fig. 6 is that each components and parts of the utility model meter-copy device connect block diagram;
Fig. 7 is the utility model power unit schematic block circuit diagram.
Embodiment
Shown in Fig. 1～5, the ultrasonic heat measuring apparatus comprises meter reading terminal, the GSM/GPRS network of being furnished with heat meter and detects control center; Described heat meter comprises the housing 1 that contains display part 9, is fitted to intake tunnel 2 and exhalant canal 3 in the housing 1; Described intake tunnel 2 adopts Ω type structure; In described housing 1 with intake tunnel 2 top ducts mutually mean place be furnished with transducer assembling storehouse 4,4`; The position that communicates with intake tunnel 2 and exhalant canal 3 in described housing 1 is furnished with temperature sensor assembling storehouse 5,5`; Among described transducer assembling storehouse 4, the 4` among transducer and temperature sensor assembling storehouse 5, the 5` in the output port of temperature sensor and the meter reading terminal data-interface of heat meter join; Described detection control center comprises single-chip microcomputer, hot meter, detects control end GSM/GPRS/ net modulator-demodular unit and amr message transmission terminal; The transmit port of described amr message transmission terminal connects the port of single-chip microcomputer and hot meter; The port of described single-chip microcomputer and the port of hot meter join; Described meter reading terminal comprises heat meter and meter reading terminal GSM/GPRS net modulator-demodular unit; The data transmission port of described heat meter connects the input port of meter reading terminal GSM/GPRS net modulator-demodular unit; The output port of described meter reading terminal GSM/GPRS net modulator-demodular unit detects control end GSM/GPRS net modulator-demodular unit through the GSM/GPRS network insertion; The port of described detection control end GSM/GPRS net modulator-demodular unit and the port of amr message transmission terminal join; Described detection control center also is provided with detection control apparatus and charging and inquiry unit; Described detection control apparatus and charging and inquiry unit are connected to the transmit port of single-chip microcomputer and hot meter; Described meter reading terminal also is furnished with meter-copy device; The FPDP of described heat meter is joined through the input port of meter-copy device and meter reading terminal GSM/GPRS net modulator-demodular unit; The axis of described transducer assembling storehouse 4,4` and the axis of intake tunnel 2 top ducts are overlapping; The radius of curvature R of described intake tunnel 2 each bend all equates and satisfies: R 〉=4d, d are the diameter of intake tunnel 2 top ducts; On described intake tunnel 2 and exhalant canal 3, is furnished with solenoid valve 6; The data-interface of heat meter joins in the FPDP of described solenoid valve 6 and the meter reading terminal; Display part 9 connects with main part 7 activities of housing 1; Described housing 1 adopts nonmetallic materials to make; The port diameter of described intake tunnel 2 is greater than the diameter of intake tunnel 2 top ducts; In described housing 1, is furnished with battery compartment 8.Fig. 7 is the utility model power unit schematic block circuit diagram.
As Fig. 6, meter-copy device of the present utility model comprises heat meter adapter, data address control bus, CPU and interface circuit, heat meter is by heat meter adapter and data address control bus access interface circuit input end and CPU, heat meter can adopt the electronic type heat meter of pulse output, the heat meter adapter comprises impulse meter and electric-controlled switch, electric-controlled switch receives meter-copy device instruction, switch user transmission ﹠ distribution pipeline.Interface circuit can be finished data-switching and the buffer memory between meter reading terminal GSM/GPRS net modulator-demodular unit and the CPU; The output terminal of interface circuit inserts meter reading terminal GSM/GPRS net modulator-demodular unit, be provided with the FLASH storer in the meter-copy device, heat meter inserts the FLASH storer by heat meter adapter and data address control bus, the FLASH storer adopts the non-loss storer of power down data, it can the data to heat meter be stored under power-down conditions, and the assurance data are not lost.
The utility model in use, send the message of checking meter by detecting control center to the amr message transmission terminal, the amr message transmission terminal sends meter reading instruction by the communications protocol of checking meter to detecting control end GSM/GPRS/ net modulator-demodular unit, meter reading terminal is after receiving meter reading instruction, at first by user's heat meter to heat meter adapter output signal, the heat meter adapter is handled this signal, CPU will become amr message after will handling from the pulse signal of adapter, reach the detection control end GSM/GPRS/ net modulator-demodular unit that detects in the control center by the GSM/GPRS net, this modulator-demodular unit transfers to detection control apparatus and charging and inquiry unit by the amr message transmission terminal with this amr message and handles, and finishes the whole work of checking meter.
The utility model enters single-chip microcomputer from the data-signal of meter reading terminal collection and carries out computing and processing, accurately detects the high hot metering signal of degree of confidence, enters computing of single-chip microcomputer heat and function treatment again.Be composed of time, date program on the single-chip microcomputer, by high capacity serial reservoir the integrated flux of every day stored, and write down this date, an accumulation all day heat just becomes total flow.At last by LCDs show date, total amount of heat and instantaneous delivery.Perhaps can be by the operation of day heat search key, show that the daily flow on certain date, fault get rid of or the like, above function all can be carried out operated from a distance at the online service device that company provides by the user.
The formula that the energy of existing (ultrasound wave) heat energy table calculates is:
In the formula: Q---the heat [kJ] of release
C---the mass rate [kg/s] of thermal liquid in the heat energy table of flowing through
△ h---the specific enthalpy value difference [kJ/kg] of the temperature in thermal liquid corresponding with outlet temperature in the heat exchange loop, the enthalpy and the density meter of water are seen related data.
T---the time [s]
In the formula: Q---the heat [J or kWh] of release
The volume that V---thermal liquid flows through [m3]
△ θ---the temperature difference in thermal liquid porch and exit in the heat exchange loop [℃]
K---hot coefficient, it is the function [J/m3 ° C or kWh/m3 ° C] of thermal liquid under relevant temperature, the temperature difference and pressure, the hot coefficient k value of water is seen related data.
Above-mentioned formula (1), (2) can be chosen use wantonly, when using hot coefficient table, allow linear interpolation.Volume metering position in the formula (2) is in the exit of heat exchange loop, if the density correction should be carried out in the porch of heat exchange loop in actual volume metering position.
q
mComputing method have a variety of claims is that medium is when being water, utilize the transmission speed of sound wave in water constant, and the characteristic of temperature influence not, calculate flow by sound collecting, ultrasonic type heat energy table is that (sound wave is propagated in fluid by measure the mistiming that ultrasound wave propagates in hot water, the downbeam acoustic wave propagation velocity can increase, and countercurrent direction then reduces, and same propagation distance just has the different travel-times).Thereby the relation of utilizing the difference of velocity of propagation and detected fluid flow velocity is asked for flow velocity and is derived flow.Because it measures inside cavity without any movable member,, be difficult for stopping up so the composition or the impurity content of medium do not had strict requirement.
Ultrasonic heat metering system: form by application software of two (three) big hardware (device).
1, heat metering device (common name integral type ultrasonic heat energy meter) is measured the transducer, pipeline, integrating instrument of water inlet, return water temperature, velocity of medium, the heat energy table that gathers together with the user.Thereby it is to utilize ultrasonic flow sensor and temperature sensor measurement water supply flow and confession, the measurement of return water temperature difference and show the instrument of current through the heat energy that heat-exchange system discharged or absorbed that the ultrasound wave heat calculates.
2, current velocity controller: in advancing water return pipeline, embed flow speed controller respectively, according to user environment variation, administrative authority's instruction control flow velocity
3, heat metering device, current velocity controller integrated (this letter of authorization is emphasized, and is non-metallic) are reached the multi-purpose purpose of realization.
4, nonmetal integral type heat metering device: system does not have metal with the device of measured medium contact, adopts the nonmetal accessory that is not easy by abominable water quality corrosion to form.(PVC, PPO, PC etc.)
5 the utility model increase on original energy computing formula
Concept of confidence has only the data of Zhi Xin Du ≧ 95% to adopt and can store, upload, otherwise reports to the police.
6, on-the-spot (long-range) control device: form by GPRS remote-transmission module, continuous data inventory analysis module, RS485 data acquisition module, central processing unit and usb data output interface (far infrared data output interface module)
7, user administration software: the management software on the WEB server that the user provides by the utility model people is right, and on-the-spot (long-range) control device sends supervisory instruction, and operation heat metering device, volume control device form the complete thermal metering system.
Claims (10)
1, a kind of ultrasonic heat measuring apparatus is characterized in that: comprise meter reading terminal, the GSM/GPRS network of being furnished with heat meter and detect control center; Described heat meter comprises the housing (1) that contains display part (9), is fitted to intake tunnel (2) and exhalant canal (3) in the housing (1); Described intake tunnel (2) adopts Ω type structure; In described housing (1) with intake tunnel (2) top duct mutually mean place be furnished with transducer assembling storehouse (4,4`); The position that communicates with intake tunnel (2) and exhalant canal (3) in described housing (1) is furnished with temperature sensor assembling storehouse (5,5`); In transducer and the temperature sensor assembling storehouse in the described transducer assembling storehouse (4,4`) (5,5`) in the output port of temperature sensor and the meter reading terminal data-interface of heat meter join; Described detection control center comprises single-chip microcomputer, hot meter, detects control end GSM/GPRS/ net modulator-demodular unit and amr message transmission terminal; The transmit port of described amr message transmission terminal connects the port of single-chip microcomputer and hot meter; The port of described single-chip microcomputer and the port of hot meter join; Described meter reading terminal comprises heat meter and meter reading terminal GSM/GPRS net modulator-demodular unit; The data transmission port of described heat meter connects the input port of meter reading terminal GSM/GPRS net modulator-demodular unit; The output port of described meter reading terminal GSM/GPRS net modulator-demodular unit detects control end GSM/GPRS net modulator-demodular unit through the GSM/GPRS network insertion; The port of described detection control end GSM/GPRS net modulator-demodular unit and the port of amr message transmission terminal join.
2, ultrasonic heat measuring apparatus according to claim 1 is characterized in that: described detection control center also is provided with detection control apparatus and charging and inquiry unit; Described detection control apparatus and charging and inquiry unit are connected to the transmit port of single-chip microcomputer and hot meter.
3, ultrasonic heat measuring apparatus according to claim 1 and 2, it is characterized in that: described meter reading terminal also is furnished with meter-copy device; The FPDP of described heat meter is joined through the input port of meter-copy device and meter reading terminal GSM/GPRS net modulator-demodular unit.
4, ultrasonic heat measuring apparatus according to claim 3 is characterized in that: the axis of described transducer assembling storehouse (4,4`) and the axis of intake tunnel (2) top duct are overlapping.
5, ultrasonic heat measuring apparatus according to claim 4 is characterized in that: the radius of curvature R of each bend of described intake tunnel (2) all equates and satisfies: R 〉=4d, d are the diameter of intake tunnel (2) top duct.
6, ultrasonic heat measuring apparatus according to claim 5 is characterized in that: be furnished with solenoid valve (6) on described intake tunnel (2) and exhalant canal (3); The data-interface of heat meter joins in the FPDP of described solenoid valve (6) and the meter reading terminal.
7, ultrasonic heat measuring apparatus according to claim 6 is characterized in that: display part (9) connect with main part (7) activity of housing (1).
8, ultrasonic heat measuring apparatus according to claim 7 is characterized in that: described housing (1) adopts nonmetallic materials to make.
9, ultrasonic heat measuring apparatus according to claim 8 is characterized in that: the port diameter of described intake tunnel (2) is greater than the diameter of intake tunnel (2) top duct.
10, ultrasonic heat measuring apparatus according to claim 9 is characterized in that: be furnished with battery compartment (8) in described housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200140647U CN201233286Y (en) | 2008-07-17 | 2008-07-17 | Ultrasonic thermal metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200140647U CN201233286Y (en) | 2008-07-17 | 2008-07-17 | Ultrasonic thermal metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201233286Y true CN201233286Y (en) | 2009-05-06 |
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ID=40619668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200140647U Expired - Lifetime CN201233286Y (en) | 2008-07-17 | 2008-07-17 | Ultrasonic thermal metering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201233286Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101629858B (en) * | 2008-07-17 | 2011-04-13 | 大连迈克流体控制技术有限公司 | Ultrasonic heat metering system |
| CN103712715A (en) * | 2013-12-25 | 2014-04-09 | 北京华电滢欣科技有限公司 | Heat-energy measurement device and heat-energy measurement method |
-
2008
- 2008-07-17 CN CNU2008200140647U patent/CN201233286Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101629858B (en) * | 2008-07-17 | 2011-04-13 | 大连迈克流体控制技术有限公司 | Ultrasonic heat metering system |
| CN103712715A (en) * | 2013-12-25 | 2014-04-09 | 北京华电滢欣科技有限公司 | Heat-energy measurement device and heat-energy measurement method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090506 Effective date of abandoning: 20080717 |