CN1975357A - Multi-flux non-magnet measuring device - Google Patents
Multi-flux non-magnet measuring device Download PDFInfo
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- CN1975357A CN1975357A CN 200610102169 CN200610102169A CN1975357A CN 1975357 A CN1975357 A CN 1975357A CN 200610102169 CN200610102169 CN 200610102169 CN 200610102169 A CN200610102169 A CN 200610102169A CN 1975357 A CN1975357 A CN 1975357A
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Abstract
This invention disclosed a heat measuring device which contains base meter, meter core, linker, shell, shell cover, trigger sheet metal, impeller, liquid crystal display, circuit panel, sensor and lead. The stream sensor was impeller style, the temperature sensor was partnership and the MPU technology was adopted. The information collected by the sensor was converted and controlled by A/D and transmitted to the computer. The data was calculated by enthalpy potential method and displayed by the LCD. It works efficiently and precisely. And also, the structure was compact, the intensity was high and the life-span was long. Furthermore, it was protected from electromagnetic interference.
Description
Technical field
The present invention does not have the magnetic thermal gauge for a kind of multithread bundle, belongs to the technical field of heating equipment, central heating, metering of heat supplied on a household basis.
Background technology
China's northern area industry and civil heating mostly adopt forms such as boiler circulating hot water, central heating circulating hot water, very big waste and irrationality have been caused by the area charge, in the heat supply system, also just become crucial problem by the charge of heat household metering, the heat metering measurement mechanism has also just become the key and the important evidence of meterage, and technical indicators such as its measuring accuracy, job stability have seemed extremely important.
At present; the heat measuring meter of domestic production and use mostly is that the magnetic-type calorimeter is arranged; owing in the heat supply hot water a lot of impurity are arranged; especially metallic impurity; regular meeting is adsorbed on the magnetic head of calorimeter; thereby cause the inaccurate of image data, generally after using the general time, will make calorimeter in paralyzed state, and anti-electromagnetic interference capability is poor, power consumption is big, measuring accuracy is low, the life-span is short.
Heat measuring meter mainly is made up of integrating instrument, flow sensor, pairing temperature sensor and associated components, the deficiency that mostly has design defect, selects device for use and use, can not fully satisfy highly reliable, high stable, high-performance, the high precision of heat measuring meter and the needs that work long hours, all not ideal enough.
Summary of the invention
Goal of the invention
Purpose of the present invention is exactly at disadvantages of background technology, design a kind of novel multithread bundle magnetism-free type thermal gauge, one-piece construction adopts no magnetic design, integrating instrument adopts enthalpy difference value computing method, flow sensor adopts multithread bundle vane type non-magnetic sensor, sheet metal flow triggering technique, temperature sensor adopts inlet, outlet pairing to use, and adopts microcomputer treatment technology, online programming design, enthalpy potential method metering, liquid crystal display, makes thermal gauge reach no magnetic interference, accurate measurement, stable and reliable for performance, the purpose that increases the service life.
Technical scheme
Primary structure of the present invention is made up of base table, base table core body, coupling ring, casing, cabinet cover, triggering sheet metal, impeller, LCDs, circuit board, sensor, lead; The top of base table 1 is coupling ring 5, and the top of coupling ring 5 is casing 6, and the top of casing 6 is cabinet cover 7, and the top of cabinet cover 7 is LCDs 8, and the inside of cabinet cover 7 is circuit board 36; The sidepiece of base table 1 is provided with flow sensor 2, flow sensor 2 is by lead and circuit board 36 UNICOMs, circuit board 36 is by connecting wire jointing temp sensor 37,51, temperature sensor 37 UNICOM's feed pipes, temperature sensor 51 UNICOM's return pipes, the left end of base table 1 are that water inlet pipe interface 3, right-hand member are rising pipe interface 4 and UNICOM's heat supplying pipeline.
Described coupling ring 5 is annular, and inside, a left side is base table hole 12, right inner chassis hole 13, awl inclined hole 14, positive uniform screw 15,16,17,18.
Described casing 6 is rectangular, in the middle of positive is mounting hole 19, upper left quarter is provided with and patches groove 20, periphery is provided with screw 23,24,25,26, upper left quarter is provided with through wires hole 21,22, the uniform locating piece 27,28,29,30,31,32 in interior middle part, locating piece 32 tops are shelves pin 35, and interior about the angle of going up is provided with link stopper 33,34.
Described cabinet cover 7 is rectangular, is provided with LCDs 8 in the middle of positive, and right lower quadrant is provided with pilot lamp 9, is provided with mounting hole 38,39,40,41 around inner, and centre is circuit board 36, and fixed by bolt 42,43,44,45.
Described circuit board 36 is formed integrated circuit by Controlled by Microcomputer IC circuit 1, key circuit IC2, programmed circuit IC3, display screen IC circuit 4, resistor brightness contrast regulating circuit IC5, power supply voltage stabilizing supervisory circuit IC6, temperature collection circuit IC7, temperature correction and multi-way switch circuit IC8, oscillatory circuit IC9, reset circuit IC10, flow pulse input circuit IC11; Key circuit IC2, reset circuit IC10, programmed circuit IC3, oscillatory circuit IC9, display screen IC circuit 4, resistor brightness contrast regulating circuit IC5 connect with Controlled by Microcomputer IC circuit 1, form and regulate control circuit; Flow pulse input circuit IC11, power supply voltage stabilizing supervisory circuit IC6, temperature collection circuit IC7, temperature correction and multi-way switch circuit IC8 connect and form operating circuit with Controlled by Microcomputer IC circuit 1; Power supply voltage stabilizing and supervisory circuit IC6 connect power end VCC end, the earth terminal of each parallel circuit by lead, form power supply circuit.
Described temperature survey metering adopts the enthalpy differential technique to calculate, and it is as follows to measure computing method:
1. left end water inlet pipe interface 3, the right-hand member rising pipe interface 4 with base table 1 inserts heat supplying pipeline;
2. vane type non-magnetic flow quantity sensor 2 is started working, and discharge numerical value is transferred to the Controlled by Microcomputer IC circuit 1 of measurement mechanism;
3. temperature sensor 37 inserts the hot water inlet pipe, and gives Controlled by Microcomputer IC circuit 1 with the inflow temperature information transmission that records;
4. temperature sensor 51 inserts return pipe, and gives Controlled by Microcomputer IC circuit 1 with the return water temperature information transmission that records;
5. Controlled by Microcomputer IC circuit 1 discharge that water flow sensing unit 2, temperature sensor 37,51 are recorded, water inlet water temperature, backwater water temperature information are carried out analog-converted, calculating and are shown by LCDs: hot water flow, hot water temperature's value;
6. hot water flow, temperature computation method are as follows:
The enthalpy differential technique calculates:
In the formula: Q---release heat
The thermal liquid mass rate of qm---the calorimeter of flowing through, units/h
Δ h---the specific enthalpy value difference that the heat exchange loop temperature in is corresponding with the outlet temperature thermal liquid
D τ---the flow time
It is as follows that described LCDs is provided with video data:
Heat accumulative: the kwh of unit, normal resolution 1kwh, calibration resolution 1wh
Integrated flow: the m of unit
3, resolution 0.01m during operate as normal
3, calibration resolution 0.00004m
3
Flow: the m of unit
3/ h, resolution 0.01m
3/ h
Inflow temperature: unit ℃, 0.01 ℃ of resolution
Return water temperature: unit ℃, 0.01 ℃ of resolution
The temperature difference: unit ℃, 0.01 ℃ of resolution
Time: the h of unit (hour), resolution 1h
Heat supply running state indication: impulse code
Date: 8 figure place dates
Each driving coupling in the described base table core body, be that axle 49 is equipped with in the centre position in the base table core chamber 72 of base table core body 46, and it is fixing by metal (upper 47,48, axle 49 tops are equipped with and are triggered sheet metal 50, impeller 64,65 is equipped with at axle 49 middle parts, base table core body 46 top symmetries are equipped with telefault 66,67, and connect base table core chamber 72 right part UNICOM water inlets 70, left part UNICOM water delivering orifice 71 by lead-in wire 68,69 with flow sensor 2.
Described triggering sheet metal 50 is monosymmetric sector structure, and the centre is an axis hole 52, and both sides are flabellum 53,54, and thickness is 0.5mm thin type copper sheet.
Described base table power supply is a low pressure dynamic management power supply, and supply voltage is 3V, and when the temperature difference≤3 ℃, the base table power supply is in little power consumption state, and supply current is≤4 μ A; When the temperature difference 〉=3 ℃, when flow sensor has output, supply current is≤25 μ A; The temperature acquisition time is 1 time/3min, and supply current is≤2mA during collecting temperature.
Described temperature sensor 37,51 is the PT1000 platinum sensor, switch, amplify, be transferred to Controlled by Microcomputer IC circuit 1 by calibrated resistance, switch and the measuring resistance comparison by multichannel, finish temperature survey, calibration, temperature survey, calibration range are 0-100 ℃.
Beneficial effect
The present invention compares with background technology has tangible advance, it has overcome the deficiencies in the prior art, new technology and design have been adopted, water flow sensing unit has adopted vane type not have the magnetic water flow sensing unit, the temperature sensor pairing is used, gather simultaneously and supply water, the return water temperature value, adopt sheet metal to trigger in the impeller non-magnetic sensor, control circuit adopts integrated microprocessor CPU control, the information of three-way sensor collection is carried out routine processes by computing machine, computations control is carried out data computation with the enthalpy differential technique, self calibration A/D converter conversion continuously, and show its Various types of data by LCDs LCD, the charge of central heat supplying heat metering is converted, realized informationization, sequencing, robotization, this device project organization compactness, easy to install, there is not magnetization, no electromagnetic interference (EMI), accurate measurement, speed is fast, stable and reliable for performance, long service life can prolong 2-3 doubly than the existing measuring apparatus life-span, is very good multithread bundle, magnetism-free type, calorimetry, calculate, display device.
Description of drawings
Fig. 1 is the one-piece construction front view
Fig. 2 is the one-piece construction vertical view
Fig. 3 is the one-piece construction side view
Fig. 4 is the coupling ring front view
Fig. 5 is the A-A sectional view of Fig. 4
Fig. 6 is the casing front view
Fig. 7 is the casing vertical view
Fig. 8 is the casing rear view
Fig. 9 is the cabinet cover front view
Figure 10 is the cabinet cover vertical view
Figure 11 is the cabinet cover rear view
Figure 12 is each the driving coupling constitutional diagram of base table core body
Figure 13 is for triggering the sheet metal front view
Figure 14 is for triggering the sheet metal vertical view
Figure 15 is the calorimetry process flow diagram
Figure 16 is the measurement mechanism circuit diagram
Figure 17 is the one-piece construction connecting relation location drawing
Figure 18 is measurement mechanism and heat supply system coupled situation figure
Shown in the figure, piece number, code name inventory are as follows:
1, base table, 2, flow sensor, 3, the water inlet pipe interface, 4, the rising pipe interface, 5, coupling ring, 6, casing, 7, cabinet cover, 8, LCDs, 9, pilot lamp, 10, through wires hole, 11, through wires hole, 12, the base table hole, 13, chassis hole, 14, the awl inclined hole, 15, screw, 16, screw, 17, screw, 18, screw, 19, mounting hole, 20, patch groove, 21, through wires hole, 22, through wires hole, 23, screw, 24, screw, 25, screw, 26, screw, 27, locating piece, 28, locating piece, 29, locating piece, 30, locating piece, 31, locating piece, 32, locating piece, 33, link stopper, 34, link stopper, 35, the shelves pin, 36, circuit board, 37, temperature sensor, 38, mounting hole, 39 mounting holes, 40, mounting hole, 41, mounting hole, 42, bolt, 43, bolt, 44, bolt, 45, bolt, 46, the base table core body, 47, bearing, 48, bearing, 49, axle, 50, trigger sheet metal, 51, temperature sensor, 52, axis hole, 53, flabellum, 54, flabellum, 55, feed pipe, 56, feed water valve, 57, measurement mechanism, 58, feed water valve+sensing port, 59, the heating system, 60, back-water valve (BWV)+sensing port, 61, return pipe, 62, lead, 63, lead, 64, impeller, 65, impeller, 66, telefault, 67, telefault, 68, lead-in wire, 69, lead-in wire, 70, water inlet, 71, water delivering orifice, 72, base table core chamber.
Circuit diagram code name inventory:
VCC, power end, R, resistance, C, electric capacity, D, diode, Q, triode, J, connector, U, module, CRY, oscillating crystal, GND, earth terminal, EC, electrochemical capacitor, P, terminal, AD, analog conversion module, RST, restorer, LCD, LCDs, PT, platinum sensor, BT, battery, PB, button.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing:
Shown in Fig. 1,2,3, be one-piece construction figure, base table 1 is the carrier of multi-flux non-magnet measuring device, measurement mechanism is installed in the top of base table 1, coupling ring 5, casing 6, cabinet cover 7 are installed successively, cabinet cover 7 is provided with display panels, shows each measurement data, and the water inlet pipe interface 3 of left end, the rising pipe interface 4 of right-hand member will connect with heat supplying pipeline firmly; Flow sensor 2 is the vane type non-magnetic sensor, is installed in the sidepiece of base table 1, and current will trigger sheet metal 50 during work, impeller 64,65 revolutions once trigger sheet metal 50 once, pulsed quantity be 25 pulses/liter, during maximum flow, the wheel rotation frequency is 35HZ to the maximum; Through wires hole 10,11 is by connecting wire jointing temp sensor 37,51, temperature sensor 37 inserts the sensing port of supply channel, temperature sensor 51 inserts the sensing port of water return pipeline, measurement mechanism can record the temperature flow information of picked-up heating system simultaneously, water flow sensor 2 picked-up hot water flow information, temperature sensor 37 obtains the feed pipe temperature information, temperature sensor 51 obtains the return pipe temperature information, three road information aggregatings are in circuit board 36, calculate through microcomputer CPU enthalpy difference value, the final various information that obtains heating, and by LCDs 8 demonstrations.
Coupling ring 5, casing 6, cabinet cover 7 and each connector, securing member want intensity good, can make of aluminum alloy materials or high-intensity plastic material, and each mouth of pipe is unimpeded, and lead will adopt shielded cable, waterproof, anti-highly basic to corrode, and connector will patch firmly.
The flow-compensated technology of non-linear segmentation:
In the flow measurement process in calorimeter, what flow sensor was exported is the flow pulse number, and flow and umber of pulse are not linear, relevant with flow velocity, can adopt digital revised law, number of pulses is revised, convert flow then to, modification method is to use the On-line Timing Plan Selection method, corresponding to flow velocity, and between umber of pulse and the flow a corresponding curve is arranged in the set time umber of pulse, this curve is divided into a plurality of sections, each a flow pulse number is just tabled look-up according to previous flow velocity and is determined this corresponding flow, and the flow that obtains so just can guarantee its accuracy, has eliminated the deviation that mechanical base table occurs in measuring process.
The dynamic and intelligent power management techniques:
At Chinese northern area, having only 4～5 months in 1 year is the heating phase, and the most of the time is idle, be in idle condition, be in idle condition substantially, can allow calorimeter be in the super low-power consumption state at non-heating period at the non-heating period calorimeter, has only clock in work, the whole consumption≤4uA that boasts of one's bit of contribution; In case find to have flow and the temperature difference 〉=3 ℃, can return to normal operating conditions, metering circuit is started working, per 3 minutes probe temperatures once, by management reduces the power consumption of total system greatly to the power supply dynamic and intelligent, guarantee that calorimeter can work long hours more than 5 years under the powered battery state, satisfied the national standard requirement.
Dynamic real-time temperature online collimation technique:
Temperature sensor 37,51, the PT1000 platinum sensor is generally selected in temperature survey for use, though PT1000 itself is very stable, but have deviation in manufacturing process, some parasitic on the line in addition resistance also may cause some influences to thermometric, can adopt measuring resistance comparison way, come the Real-time and Dynamic base measuring temperature by the measuring resistance high-precision, that higher grade, the temperature that PT1000 is measured is exactly actual temperature, guarantees that thermometric has excellent precision.
Noncontact non-magnetic flow amount sensing technology:
Water quality is very poor in the Chinese present heating system, oxidation, corrosion problem ubiquity, contain a large amount of harmful chemicals in the water, also have and various flowmeter is had destructive impurity, flowmeter is the critical piece of calorimeter, flow metering sensing technology relative complex, in order effectively to prevent the influence of iron rust to water meter, adopt no magnetic sensing technology, half has copper sheet its internal impeller, two inductance have been adorned in the outside that second half no copper sheet, impeller are enclosed in the water and water is isolated, the electromagnetic induction circuit is distinguished impeller location by measuring having or not of copper sheet, just realized the measurement of flow by the diverse location of measuring impeller, this flow metering method does not have mechanical gear yet, no magnetic, wear-resisting, corrosion-resistant, can guarantee that product has higher reliability.
Linear interpolation density and enthalpy computing technique:
In the actual heat metering, to table look-up according to observed temperature and obtain corresponding density and enthalpy constant, the substitution formula can calculate heat, and temperature measurement accuracy is high more, and it is accurate more to measure, the shared storage space of tables of data is also big more, for this reason, adopt approximate treatment technology such as linear interpolation, by calculating corresponding enthalpy and density, thereby draw instantaneous heat, this method had not only reduced the storage space of tables of data but also had guaranteed the accuracy of heat Calculation.
Shown in Fig. 4,5, be coupling ring 5 structural drawing, inside, a left side is base table hole 12, and right inside is basic shell hole 13, awl inclined hole 14, positive uniform screw 15,16,17,18, and each one wants accurately to cooperate moderate.
Shown in Fig. 6,7,8, be casing 6 structural drawing, mounting hole 19 is a center mounting hole, and locating piece 27,28,29,30,31,32 is formed circular location, patches groove 20 and cabinet cover 7 adapteds.
Shown in Fig. 9,10,11, be cabinet cover 7 structural drawing, the front is LCDs 8, pilot lamp 9, innerly is circuit board 36.
Shown in Figure 12, for each one in the base table core body connects working state figure, in the base table core chamber 72 in the base table core body 46 impeller 64 is housed, 65, trigger sheet metal 50, axle 49, after the hot water current of water inlet 70 enter core chamber 70, impact impeller 64,65, and the triggering sheet metal 50 that drives on the axle 49 triggers telefault 66,67, by going between 68,69 are transferred to flow sensor 2, the every impact of current once, sheet metal triggers once, flow information of water can be transferred to micro-computer controller IC1, and each installation site is rationally moderate, impeller 64,65, sheet metal 50, axle 49 will rotate flexibly.
Shown in Figure 13,14, for triggering sheet metal 50 structural drawing, middle sheet metal is a thin type for axis hole 52, both sides are flabellum 53,54, makes of the metal copper sheet, and thickness is advisable with 0.5mm.
Shown in Figure 15, be the measurement mechanism workflow diagram, water flow sensing unit 2, supply water temperature sensor 37, return water temperature sensor 51 picked-up discharges, coolant-temperature gage information, through measurement mechanism programmed control, calculating, conversion, and by LCDs 8 demonstration Various types of data, finish the overall process of measurement, informationization, sequencing, Computer Processing are one, realize automatic measurement, the calculating of heat.
Shown in Figure 16, be the measurement mechanism circuit diagram, by the one-chip computer CPU of Controlled by Microcomputer IC circuit 1, pass through joint Terminal, UNICOM each parallel circuit IC2, IC3, IC4, IC5, IC6, IC7, IC8, IC9, IC10, IC11 form whole control circuit, and VCC is a power end, GND is an earth terminal, note wiring safety, connector will patch firmly, and each device is selected, Rational Parameters connects and wants compact.
Figure 17 shows that the one-piece construction three-dimensional plot, can find out among the figure, each parts position relation, and by this state installation, debugging.
Shown in Figure 180, be measurement mechanism installation site working state figure, measurement mechanism is installed, job order is: feed pipe 55---feed water valve 56---measurement mechanism 57---feed water valve+sensing port 58---heating system 59---back-water valve (BWV)+sensing port 60---lead 63---measurement mechanism 57---return pipe 61, measurement mechanism 57 connects feed water valve+sensing port 58 by lead 62, and measurement mechanism 57 connects back-water valve (BWV)+sensing port 60 by lead 63.
Claims (10)
1, a kind of multi-flux non-magnet measuring device is characterized in that: primary structure of the present invention is made up of base table, coupling ring, casing, cabinet cover, LCDs, circuit board, sensor, lead; The top of base table (1) is coupling ring (5), and the top of coupling ring (5) is casing (6), and the top of casing (6) is cabinet cover (7), and the outside of cabinet cover (7) is LCDs (8), and the inside of cabinet cover (7) is circuit board (16); The left side of base table (1) is provided with flow sensor (2), flow sensor (2) is by lead and circuit board (36) UNICOM, circuit board (36) is by connecting wire jointing temp sensor (37,51), temperature sensor (37) UNICOM feed pipe, temperature sensor (51) UNICOM return pipe, the left end water inlet pipe interface (3) of base table (1), right-hand member are rising pipe interface (4) UNICOM heat supplying pipeline.
2, a kind of multi-flux non-magnet measuring device according to claim 1, it is characterized in that: described casing (6) is rectangular, in the middle of positive is mounting hole (19), upper left quarter is provided with and patches groove (20), periphery is provided with screw (23,24,25,26), and upper left quarter is provided with through wires hole (21,22), the uniform locating piece in interior middle part (27,28,29,30,31,32), locating piece (32) top is shelves pins (35), and interior upper corner is provided with link stopper (33,34).
3, a kind of multi-flux non-magnet measuring device according to claim 1, it is characterized in that: described cabinet cover (7) is rectangular, be provided with LCDs (8) in the middle of positive, right lower quadrant is provided with pilot lamp (9), be provided with mounting hole (38,39,40,41) around inner, the centre is circuit board (36), and fixing by bolt (42,43,44,45).
4, a kind of multi-flux non-magnet measuring device according to claim 1, it is characterized in that: described circuit board (36), form integrated circuit by Controlled by Microcomputer circuit (IC1), key circuit (IC2), programmed circuit (IC3), display screen circuit (IC4), resistor brightness contrast regulating circuit (IC5), power supply voltage stabilizing supervisory circuit (IC6), temperature collection circuit (IC7), temperature correction and multi-way switch circuit (IC8), oscillatory circuit (IC9), reset circuit (IC10), flow pulse input circuit (IC11); Key circuit (IC2), reset circuit (IC10), programmed circuit (IC3), oscillatory circuit (IC9), display screen circuit ((IC4)), resistor brightness contrast regulating circuit (IC5) connect with Controlled by Microcomputer circuit (IC1), form and regulate control circuit; Flow pulse input circuit (IC11), power supply voltage stabilizing supervisory circuit (IC6), temperature collection circuit (IC7), temperature correction and multi-way switch circuit (IC8) connect and form operating circuit with Controlled by Microcomputer circuit (IC1); Power supply voltage stabilizing and supervisory circuit (IC6) connect power end VCC end, the earth terminal of each parallel circuit by lead, form power supply circuit.
5, a kind of multi-flux non-magnet measuring device according to claim 1 is characterized in that: described temperature survey metering adopts the enthalpy differential technique to calculate, and it is as follows to measure computing method:
1. left end water inlet pipe interface (3), the right-hand member rising pipe interface (4) with base table (1) inserts heat supplying pipeline;
2. vane type non-magnetic flow quantity sensor (2) is started working, and discharge numerical value is transferred to the Controlled by Microcomputer circuit (IC1) of measurement mechanism;
3. temperature sensor (37) inserts the hot water inlet pipe, and gives Controlled by Microcomputer circuit (IC1) with the inflow temperature information transmission that records;
4. temperature sensor (51) inserts return pipe, and gives Controlled by Microcomputer circuit (IC1) with the return water temperature information transmission that records;
5. Controlled by Microcomputer circuit (IC1) discharge that water flow sensing unit (2), temperature sensor (37,51) are recorded, water inlet water temperature, backwater water temperature information are carried out analog-converted, calculating and are shown by LCDs: hot water flow, hot water temperature's value;
6. hot water flow, temperature computation method are as follows:
Enthalpy potential method is calculated:
In the formula: Q---release heat z
The thermal liquid mass rate of qm---the calorimeter of flowing through, units/h
Δ h---the specific enthalpy difference that the heat exchange loop temperature in is corresponding with the outlet temperature thermal liquid
D τ---the flow time
6, a kind of multi-flux non-magnet measuring device according to claim 1, it is characterized in that: it is as follows that described LCDs is provided with video data:
Heat accumulative: the kwh of unit, normal resolution 1kwh, calibration resolution 1wh
Integrated flow: the m of unit
3, resolution 0.01m during operate as normal
3, calibration resolution 0.00004m
3
Flow: the m of unit
3/ h, resolution 0.01m
3/ h
Inflow temperature: unit ℃, 0.01 ℃ of resolution
Return water temperature: unit ℃, 0.01 ℃ of resolution
The temperature difference: unit ℃, 0.01 ℃ of resolution
Time: the h of unit (hour), resolution 1h
Heat supply running state indication: impulse code
Date: 8 figure place dates
7, a kind of multi-flux non-magnet measuring device according to claim 1, it is characterized in that: each driving coupling in the described base table core body, be that axle (49) is equipped with in the centre position in the base table core chamber (72) of base table core body (46), and by metal (upper (47,48) fixing, axle (49) top is equipped with and is triggered sheet metal (50), impeller (64 is equipped with at axle (49) middle part, 65), base table core body (46) top symmetry is equipped with telefault (66,67), and by lead-in wire (68,69) connect base table core chamber (72) right part UNICOM water inlet (70) with flow sensor (2), left part UNICOM water delivering orifice (71).
8, a kind of multi-flux non-magnet measuring device according to claim 1 is characterized in that: described triggering sheet metal 50 is monosymmetric sector structure, and the centre is an axis hole 52, and both sides are flabellum 53,54, and thickness is 0.5mm thin type copper sheet.
9, a kind of multi-flux non-magnet measuring device according to claim 1, it is characterized in that: described base table power supply is a low pressure dynamic management power supply, and supply voltage is 3V, when the temperature difference≤3 ℃, the base table power supply is in little power consumption state, and supply current is≤4 μ A; When the temperature difference 〉=3 ℃, when flow sensor has output, supply current is≤25 μ A; The temperature acquisition time is 1 time/3min, and supply current is≤2mA during collecting temperature.
10, a kind of multi-flux non-magnet measuring device according to claim 1, it is characterized in that: described temperature sensor (37,51) is the PT1000 platinum sensor, switch, amplify, be transferred to Controlled by Microcomputer circuit (IC1) by calibrated resistance, switch and the measuring resistance comparison by multichannel, finish temperature survey, calibration, temperature survey, calibration range are 0-100 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101021693A CN100478661C (en) | 2006-11-16 | 2006-11-16 | Multi-flux non-magnet measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101021693A CN100478661C (en) | 2006-11-16 | 2006-11-16 | Multi-flux non-magnet measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1975357A true CN1975357A (en) | 2007-06-06 |
| CN100478661C CN100478661C (en) | 2009-04-15 |
Family
ID=38125585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101021693A Expired - Fee Related CN100478661C (en) | 2006-11-16 | 2006-11-16 | Multi-flux non-magnet measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100478661C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017847A (en) * | 2011-09-22 | 2013-04-03 | 湖南常德牌水表制造有限公司 | Signal transmission and calculation method for vortex electronic type water meter and heat meter |
-
2006
- 2006-11-16 CN CNB2006101021693A patent/CN100478661C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017847A (en) * | 2011-09-22 | 2013-04-03 | 湖南常德牌水表制造有限公司 | Signal transmission and calculation method for vortex electronic type water meter and heat meter |
| CN103017847B (en) * | 2011-09-22 | 2016-07-20 | 湖南常德牌水表制造有限公司 | The signal transmission of vortex electronic type water meter and heat energy meter and calculating device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100478661C (en) | 2009-04-15 |
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