CN201654892U - Nonmagnetic prepayment heat meter - Google Patents
Nonmagnetic prepayment heat meter Download PDFInfo
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- CN201654892U CN201654892U CN2009202804416U CN200920280441U CN201654892U CN 201654892 U CN201654892 U CN 201654892U CN 2009202804416 U CN2009202804416 U CN 2009202804416U CN 200920280441 U CN200920280441 U CN 200920280441U CN 201654892 U CN201654892 U CN 201654892U
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- circuit
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- temperature sensor
- blade wheel
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000000523 sample Substances 0.000 claims abstract description 10
- 239000003990 capacitor Substances 0.000 claims description 24
- 239000004973 liquid crystal related substance Substances 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 3
- 230000003534 oscillatory effect Effects 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract 2
- 239000010931 gold Substances 0.000 abstract 2
- 229910052737 gold Inorganic materials 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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Abstract
The utility model relates to a nonmagnetic prepayment heat meter, which belongs to the technical filed of heat (cold) supply metering control instruments. The utility model solves the problems of heat meter metering precision influence and management complication of the heat meter because of the adoption of a magnetic-sensing sensor. The nonmagnetic prepayment heat meter consists of a filter screen, a tangential water inlet groove, a water inlet opening, an impeller chamber lower cover, an impeller, a semicircular gold diaphragm, an impeller chamber upper cover, a meter base, an inductance probe, a meter case, a circuit board, an LCD integrating display, a meter cover, a meter outer cover, a battery compartment, a speed changing box, a DC permanent magnet micromotor, a ball valve shaft, a ball valve core, a water outlet opening, a water inlet temperature sensor and a return water temperature sensor, wherein a singlechip measures flow rate signals through the semicircular gold diaphragm and the inductance probe, water temperature signals of the inlet water and the return water are collected through the temperature sensors, in addition, the heat value is metered by an integration algorithm, the functions of control, prepayment and the like are realized through circuits, and the utility model improves the modern level of the heat supply management payment, and has good economic and social benefits.
Description
Affiliated technical field
The utility model belongs to heat supply (cold) measure control instrument technical field.
Background technology
Reform along with China's dwelling house distribution system and heat supply system, the needs that the incompatible modernization of traditional heat supply and heating charging pattern requires, both be unfavorable for energy-conservation, and charge method also not science, unreasonablely brought inconvenience for administrative authority and user, the heat meter flowmeter adopts magneto-dependent sensor more at present simultaneously, relatively poor because of water-quality ratio in the heat supplying pipeline, environmental facies are to more abominable, thereby have influenced the precision of heat meter flow on large program very.Therefore a kind of magnetism-free type Prepayment Heat Meter of special development, this product is carried out the way to manage of " paying dues earlier; the back is with hot ", user's heat adopts presses meterage, thoroughly solved many contradiction that long-term puzzlement user and heating management charge two sides exist, solved the coarse problem of metering simultaneously, both improved the modernization level of heating management charge because of adopting magneto-dependent sensor to bring, improve the precision of calorimeter again, had good economic benefit and social benefit.
Summary of the invention
In order to overcome the defective of existing calorimeter technology, a kind of suitable China's national situation of special invention adopts the magnetism-free type heat meter flow, is furnished with software and has the magnetism-free type smart card prepaid calorimeter of smart card.
The technical solution of the utility model is to realize like this, in conjunction with the accompanying drawings: screen pack 1 among Fig. 1, tangential intake chamber 2, water inlet 3, blade wheel chamber's lower cover 4, impeller 5, semicircle golden diaphragm 6, blade wheel chamber's loam cake 7, inductance probe 9, ball valve axle 18, ball valve core 19 is formed magnetism-free type Prepayment Heat Meter flowmeter A with water delivering orifice 20, it is characterized in that, blade wheel chamber's loam cake 7 is formed blade wheel chamber with blade wheel chamber's lower cover 4, impeller 5 is housed in the blade wheel chamber, be inlaid with semicircle golden diaphragm 6 on the impeller 5, screen pack 1 is stuck in the outer survey of blade wheel chamber's lower cover 4, blade wheel chamber's lower cover 4 has tangential intake chamber 2, inductance probe 9 is housed on blade wheel chamber's loam cake 7, water inlet 3, water delivering orifice 20 is at the two ends of no magnetic heat meter flow A, ball valve core 19 is equipped with at water delivering orifice 20 places, ball valve core 19 and 18 vertical linking to each other of ball valve axle; Table base 8, watch case 10, circuit board 11, LCD integrating display 12, table covers 13, off-balancesheet cover 14, battery compartment 15, wheel box 16, DC permanent magnet micromotor 17, inflow temperature sensor 21 is formed magnetism-free type Prepayment Heat Meter control section B with return water temperature sensor 22, it is characterized in that, ball valve axle 18 directly links to each other with wheel box 16 among the magnetism-free type Prepayment Heat Meter flowmeter A, it directly over wheel box 16 battery compartment 15, wheel box 16, battery compartment 15 all is contained in the watch case 10, and watch case 10 is enclosed within on the magnetism-free type Prepayment Heat Meter flowmeter A, inflow temperature sensor 21, return water temperature sensor 22 is all in the outside of watch case 10, join by lead-in wire and circuit board 11, in the left side of battery compartment 15 is that table covers 13, circuit board 11 is fixed on table and covers in 13, opening table is LCD integrating display 12 below covering 13, cover 13 and be off-balancesheet cover 14 above the battery compartment 15 at table, wheel box 16 by a plurality of gearing mesh together, by a rated voltage is that the DC permanent magnet micromotor 17 of 3.6V is made prime mover, adopt Involutes Gears Transmission, arrive ball valve axle 18 through six grades of decelerations (speed ratio: 1: 1800), it adopts the two way release technology, promptly driving-chain is thrown off and closure automatically in the precalculated position by mechanical transmission mechanism, realize that ball valve axle 18 stops the rotation and carries out reverse rotation at assigned position, drive valve and carry out the opening and closing action, inflow temperature sensor 21 and return water temperature sensor 22 can adopt platinum resistance thermometer sensor, Pt1000, its wire length is decided on installation requirement, and arrow is a water (flow) direction among the figure; Fig. 2 is in order to realize data transmission and control, it is characterized in that, single-chip microcomputer 430F435 links to each other with the circuit 32 of winning the confidence with reset circuit 23, manual key circuit 24, water inlet return water temperature sensor circuit 25, oscillatory circuit 26, LCD liquid crystal display circuit 27, power circuit 28, deck circuit 29, switch valve circuit 30, warning circuit 31 respectively, and wherein reset circuit 23 is made up of resistance R 0, capacitor C 1 and diode D0; Manual switch circuit 24 is made up of resistance R 5, R6, capacitor C 4, C5, button KEY, DATA; Water inlet return water temperature sensor circuit 25 is made up of crystal oscillator G2, resistance R 1, slide rheostat RS1, RS2, capacitor C 2, polar capacitor E1; LCD liquid crystal display circuit 27 is made up of resistance R 2, R3, R4, capacitor C 3 and J1; Power circuit 28 is made up of resistance R 7, R8, R9, R24, diode D1, D2, D3, capacitor C 9, C10, C11, C12, polar capacitor E2, J3 and V1 HT7133-1; Deck circuit 29 is made up of J2 IC42, resistance R 14～R18, triode P0; Switch valve circuit 30 is made up of triode P1, P2, N1～N4, resistance R 10～R13, voltage stabilizing diode DW1, DW2, capacitor C 8 and J4 DJF; Warning circuit 31 is made up of triode N5, resistance R 19, R25, hummer S1 SPEAKER; The circuit 32 of winning the confidence is made up of resistance R 26 and QS SIF; Principle of work of the present utility model and workflow: after the user utilizes intelligence to snap into corresponding management department purchase heat, subscriber card inserted in the deck and with data input to single-chip microcomputer, to detect power supply normal and when the heat purchase volume is arranged when single-chip microcomputer, machine operation in the Micro Controller Unit (MCU) driving calorimeter flow meter specially, open the motor valve, water makes inductance probe measure flow signal from water inlet inflow promotion impeller and sends to single-chip microcomputer, single-chip microcomputer is gathered the into water temperature signal of return water temperature sensor simultaneously, calculate the calorie value that is consumed by the single-chip microcomputer integration then, and show by the integrating display.Otherwise valve-off can't be with heat and, information such as card mistake or fault under-voltage by liquid crystal display, and corresponding warning circuit can give the alarm and point out the user to purchase card or under-voltage.
The beneficial effects of the utility model are: heat meter flow has adopted magnetism-free type to gather flow signal, prevented that those impurity that adsorbed by magnetisable material are attached on the impeller of flowmeter, thereby under the relatively poor situation of water quality, guaranteed the precision of calorimeter, adopt platinum resistance thermometer sensor, Pt1000 as the temperature sampling sensor simultaneously, utilize smart card as the prepaid management system, utilize integral algorithm metering calorie value by single-chip microcomputer, has automatic gauge, control, the automatic hold function of power down data, both improved the modernization level of heating management charge, improved the precision of calorimeter again, satisfy user's demand, had good economic and social benefit.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is that the utility model product is faced diagrammatic cross-section.
Fig. 2 is the utility model product circuit theory structure synoptic diagram.
Embodiment
Table base 8, watch case 10, road plate 11, LCD integrating display 12 tables cover 13, off-balancesheet cover 14, battery compartment 15, wheel box 16, electric inflow temperature sensor 21 and return water temperature sensor 22 are installed according to the requirement of Fig. 1.Current enter from water inlet 3, process filter screen 1 enters blade wheel chamber along the tangential intake chamber 2 of blade wheel chamber, in blade wheel chamber, produce and rotatablely move, promote impeller 5 rotations after water delivering orifice 20 flows out heat meter flow A, blade wheel chamber's loam cake 7 tops are provided with an inductance probe 9 that produces oscillator signal, semicircle golden diaphragm 6 on the impeller 5 produces oscillator signal when rotating with impeller 5, and QS links to each other in the circuit 21 of winning the confidence among the inductance probe 9 that produces oscillator signal and Fig. 3; Among Fig. 3,1 pin of single-chip microcomputer U0,100 pin connect positive source, 72 pin of single-chip microcomputer U0 link to each other with QS the 2nd pin by resistance R 26, QS the 3rd pin links to each other with positive source, QS STF the 1st pin ground connection, 98 pin of single-chip microcomputer U0,99 pin ground connection, 9 pin, 8 pin, 88 pin, 89 pin are connected to crystal oscillator G1 respectively, G2,12～30 pin of single-chip microcomputer U0 link to each other with 1～19 pin of the J1 of LCD liquid crystal display circuit respectively, 20～23 pin of J1 are connected to 52～55 pin of single-chip microcomputer U0 respectively, 57 pin of single-chip microcomputer U0 are connected to ground by 56 pin and 56 pin that resistance R 4 meets single-chip microcomputer U0,58 pin of single-chip microcomputer U0 are connected to 57 pin of single-chip microcomputer U0 by resistance R 2, be connected to 59 pin of single-chip microcomputer U0 and then be connected to ground by R3 by capacitor C 3,46～49 pin of single-chip microcomputer U0 respectively with 1 of J2,3～5 pin join, and be connected to power end by resistance R 14～R17 respectively, 2 pin of J2,7 pin ground connection, 6 pin power ends and the triode P0 collector of J2 join, triode P0 emitter connects high level, triode P0 base stage is connected to 50 pin of single-chip microcomputer U0 by resistance R 18,51 pin of single-chip microcomputer U0 are connected to the base stage of triode N5 by resistance R 19, the grounded emitter of triode N5, the collector of triode N5 is received the end of loudspeaker S1 by resistance R 25, the other end of loudspeaker S1 is connected to power end, 72 pin of single-chip microcomputer U0,73 pin are connected to button KEY and DATA and difference C5 in parallel respectively, pass through resistance R 6 behind the C4 separately, R5 is connected to power end, other end ground connection, 77 pin of single-chip microcomputer U0,78 pin are respectively by slide rheostat RS2, RS1 is then by capacitor C 2, be connected to ground after the E1 parallel connection, 81 pin of single-chip microcomputer U0 are connected to ground in succession and by E1 by resistance R 1 and 79 pin, 86 pin of single-chip microcomputer U0,87 pin are respectively by capacitor C 6, C7 is connected to ground, by resistance R 22, R23 is connected to power end, 86 pin also are connected to 1 pin of D by resistance R 21, the 2 pin ground connection of D, 87 pin of U0 are connected to the collector of triode PN1 by R20, the PN1 base stage is connected to 1 pin of Q1 and passes through diode D10 negative pole-positive pole respectively, capacitor C C1 is connected to earth terminal 2 pin of Q1 and the emitter of triode PN1, electric capacity E0, C0 is connected on respectively between power supply 1 pin and ground 99 pin of single-chip microcomputer U0, resistance R 0 with also be connected to after capacitor C 1 is connected between power supply 1 pin and ground 99 pin, diode D0 negative pole termination power end, 94 pin of positive terminal and single-chip microcomputer U0 join and also are connected to simultaneously between R0 and the C1,95 pin of single-chip microcomputer U0 are by capacitor C 11, resistance R 9 is ground connection respectively, by resistance R 8, R7 is connected to 1 pin of J3,1 pin of J3 joins with diode D1～D3 respectively by resistance R 7, D1 is connected to 2 pin of V1 by resistance R 24,3 pin of V1 connect power end and are connected to ground by capacitor C 12, the 1 pin ground connection of V1, diode D3 is by electric capacity E2, C9 is connected to ground respectively, be connected to triode P1 emitter, the P1 base stage is connected to triode N3 collector by resistance R 11, the N3 base stage is connected to 62 pin of single-chip microcomputer U0 by resistance R 10, the P1 collector is connected to the collector of N2, the N3 emitter is connected to the base stage of N1, the N1 emitter is connected to N2 emitter and ground connection, the N1 collector is connected to 2 pin that the P2 collector is connected to J4,1 pin of J4 is connected to triode N2 collector, the N2 base stage links to each other with the N4 emitter, the N4 collector links to each other with the P2 base stage by resistance R 12, the P2 emitter is by diode D2 negative pole-positive pole, resistance R 7 is connected to 1 pin of J3, the N4 base stage is joined diode DW1 by 63 pin of resistance R 13 and U0, be connected in parallel on 1 pin of J4 after the DW2 series connection with capacitor C 8, between 2 pin.In manufacturing process, reasonably arrange circuit board and import corresponding program to single-chip microcomputer, install, connect, debug according to accompanying drawing, can reach the above-mentioned functions requirement.
Claims (2)
1. magnetism-free type Prepayment Heat Meter, it is characterized in that, by screen pack (1), tangential intake chamber (2), water inlet (3), blade wheel chamber's lower cover (4), impeller (5), semicircle golden diaphragm (6), blade wheel chamber's loam cake (7), inductance probe (9), ball valve axle (18), ball valve core (19) and water delivering orifice (20) are formed magnetism-free type Prepayment Heat Meter flowmeter (A), table base (8), watch case (10), circuit board (11), LCD integrating display (12), table lid (13), off-balancesheet cover (14), battery compartment (15), wheel box (16), DC permanent magnet micromotor (17) inflow temperature sensor (21), return water temperature sensor (22), form magnetism-free type Prepayment Heat Meter control section (B); Blade wheel chamber's loam cake (7) is formed blade wheel chamber with blade wheel chamber's lower cover (4), impeller (5) is housed in the blade wheel chamber, be inlaid with semicircle golden diaphragm (6) on the impeller (5), screen pack (1) is stuck in the outer survey of blade wheel chamber's lower cover (4), blade wheel chamber's lower cover (4) has tangential intake chamber (2), inductance probe (9) is housed on blade wheel chamber's loam cake (7), water inlet (3), water delivering orifice (20) are at the two ends of magnetism-free type Prepayment Heat Meter flowmeter (A), water delivering orifice (20) locates to be equipped with ball valve core (19), ball valve core (19) and vertical linking to each other of ball valve axle (18); Ball valve axle (18) directly links to each other with wheel box (16), directly over wheel box (16) battery compartment (15), wheel box (16), battery compartment (15) all is contained in the watch case (10), and watch case (10) is enclosed within on the magnetism-free type Prepayment Heat Meter flowmeter (A), inflow temperature sensor (21), return water temperature sensor (22) is all in the outside of watch case (10), join by lead-in wire and circuit board (11), in the left side of battery compartment (15) is table lid (13), circuit board (11) is fixed in the table lid (13), open and show below the lid (13) to be LCD integrating display (12), to show lid (13) and be off-balancesheet cover (14) above the battery compartment (15).
2. a kind of magnetism-free type Prepayment Heat Meter as claimed in claim 1, it is characterized in that, also has a single-chip microcomputer 430F435, single-chip microcomputer 430F435 links to each other with the circuit of winning the confidence (32) with reset circuit (23), manual key circuit (24), water inlet return water temperature sensor circuit (25), oscillatory circuit (26), LCD liquid crystal display circuit (27), power circuit (28), deck circuit (29), switch valve circuit (30), warning circuit (31) respectively, and wherein reset circuit (23) is made up of resistance R 0, capacitor C 1 and diode D0; Manual switch circuit (24) is made up of resistance R 5, R6, capacitor C 4, C5, button KEY, DATA; Water inlet return water temperature sensor circuit (25) is made up of crystal oscillator G2, resistance R 1, slide rheostat RS1, RS2, capacitor C 2, polar capacitor E1; LCD liquid crystal display circuit (27) is made up of resistance R 2, R3, R4, capacitor C 3 and J1; Power circuit (28) is made up of resistance R 7, R8, R9, R24, diode D1, D2, D3, capacitor C 9, C10, C11, C12, polar capacitor E2, J3 and V1 HT7133-1; Deck circuit (29) is made up of J2 IC42, resistance R 14～R18, triode P0; Switch valve circuit (30) is made up of triode P1, P2, N1～N4, resistance R 10～R13, voltage stabilizing diode DW1, DW2, capacitor C 8 and J4DJF; Warning circuit (31) is made up of triode N5, resistance R 19, R25, hummer S1 SPEAKER; The circuit (32) of winning the confidence is made up of resistance R 26 and QS SIF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202804416U CN201654892U (en) | 2009-12-04 | 2009-12-04 | Nonmagnetic prepayment heat meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202804416U CN201654892U (en) | 2009-12-04 | 2009-12-04 | Nonmagnetic prepayment heat meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201654892U true CN201654892U (en) | 2010-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202804416U Expired - Fee Related CN201654892U (en) | 2009-12-04 | 2009-12-04 | Nonmagnetic prepayment heat meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201654892U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938175A (en) * | 2012-10-22 | 2013-02-20 | 宁波甬港仪表有限公司 | Heat flow meter |
-
2009
- 2009-12-04 CN CN2009202804416U patent/CN201654892U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938175A (en) * | 2012-10-22 | 2013-02-20 | 宁波甬港仪表有限公司 | Heat flow meter |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG SARON INTELLIGENT TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHUANG GE Effective date: 20110422 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110422 Address after: 250101 Shandong city of Ji'nan province high tech Zone Fung Road No. 554, block E South 304-2 environmental science and Technology Park Patentee after: Shandong Saron Intelligent Technology Co., Ltd. Address before: 250101 Shandong city of Ji'nan province high tech Zone Fung Road No. 554, block E South 304-2 environmental science and Technology Park Patentee before: Zhuang Ge |
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