CN100410975C

CN100410975C - Energy-saving heat meter with multi-user time shared display

Info

Publication number: CN100410975C
Application number: CNB2006100131107A
Authority: CN
Inventors: 陈为康
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-01-24
Filing date: 2006-01-24
Publication date: 2008-08-13
Anticipated expiration: 2026-01-24
Also published as: CN1804914A

Abstract

The present invention relates to an energy-saving heat meter with multi-user time sharing display. A temperature parameter (namely, an electromotive force) of each user in a meter input circuit in a building, which is collected by temperature sensors 1, 2, and a transmission cable 3, is directly sent to a 16-path analog switch 4, orders set by a single chip computer 7 use a time partitioning method to orderly gate different users, and after processed by an amplifier 5, an A/D converter 6 and the single chip computer 7, the data is sent to a liquid crystal display device 8; the displaying time is set by the single chip computer 7, and the heat consumption of each family is orderly and circularly displayed, for instance, the 101 family is displayed at the first second, the 102 family is displayed at the second, and the 201 family is displayed at the third second. The present invention has the advantage that a plurality of users share one heat meter which can display the heat consumption of each user in a time-shared way, and has the advantages of high ratio of performance to cost, simple structure, wide applicability, beautiful appearance, less space occupation, convenient management and low cost.

Description

The energy-saving heat meter that multi-subscriber time shared shows

Technical field:

The present invention relates to a kind of hotlist, particularly relate to the energy-saving heat meter that a kind of multi-subscriber time shared shows.

Background technology:

As everyone knows, in central heating, the most usable floor areas of pressing house of the charging method of heating calculate charge at present, when room temperature is too high, the user can only door window cooling or barrier gate, not only wasted energy but also science not, to country with unfavorable per family, current China proposes the reform policy of the compulsory execution of " household metering; room temperature is regulated " in the heat supply reform, kind of a hotlist is arranged both at home and abroad, and error is big, maintenance capacity is big, metering is just had a strong impact on, and hotlist both domestic and external is flow and takes advantage of the thermal type hotlist, and user's heating system must form loop, measure hot water flow, because be subjected to the influence of water quality, forbidden present domestic a kind of digital intelligent hotlist that has and measure, can with computer networking, automatically teletransmission is checked meter, and can manage concentratedly, but can only be that Every household has an ammeter, so the cost height, the user is difficult to accept.

Summary of the invention:

Fundamental purpose of the present invention is to overcome above deficiency and provides a kind of volume little, can with computer networking, the energy Long-distance Control, a particularly multi-user shared hotlist can show the energy-saving heat meter that the multi-subscriber time shared of different user consumption of calorie shows at different time.

The technical solution adopted for the present invention to solve the technical problems is: it is by transmission cable, logic switch, amplifier, transducer, single-chip microcomputer, LCD, interface, remote transmission device, voltage changer, power supply 1.5 (DC) is formed, temperature sensor is placed in the confession of every group of heating radiator, the return pipe place, and be connected with temperature sensor on being installed in wall, be connected with logic switch again, logic switch, amplifier, the A/D A-D converter, 12 single-chip microcomputers, LCD connects successively, and be connected with the property terminal by interface, it is characterized in that: adopt 16 path analoging switch, it is connected with the A/D A-D converter through amplifier, the A/D A-D converter is connected with single-chip microcomputer, and single-chip microcomputer is connected with interface with LCD; The shared hotlist of a plurality of users, LCD are provided in the heat that different time shows that different user consumes.

The present invention can also adopt following technical measures: described 16 path analoging switch are integrated circuit modules, can adopt i.e. 3 * 16-8 * 16=48-128 the passage input of 3-8 piece.

Advantage and good effect that the present invention has are: it has broken through the measuring principle that traditional hotlist is measured flow and heat content difference, the many interference of heating hot water water quality inferiority and impurity have been eradicated to the flowmeter measurement of discharge, meet national conditions, adaptability is strong, heating system there is not specific (special) requirements, two-pipe system all is suitable for vertical single-main distribution, is used for newly-built dwelling house, can save a large amount of construction costs, old housing reform made then can make full use of indoor original piping system and heat radiator, needn't perforating skid plate through walls, do not disturb residents, the improvement project amount is little, save a huge sum of money, but a multi-user shared hotlist timesharing shows the heat that each user consumes, and has improved the ratio of performance to price, and is simple in structure, good looking appearance, it is little to take up space, and is convenient to management, and cost is low.

Description of drawings:

Fig. 1 is a structure circuit block diagram representation of the present invention.

Fig. 2 is that single tube heating system sensor is installed and the circuit connection diagram.

Fig. 3 is that the two-pipe heating system sensor is installed and the circuit connection diagram.

Among Fig. 1-Fig. 3: 1. temperature sensor, 2. temperature sensor, 3. transmission cable, 4.16 path analoging switch, 5. amplifier, 6.A/D A-D converter, 7. single-chip microcomputer, 8. multi-subscriber time shared LCD, 9. interface, 10. voltage changer, 11. remote transmission devices, 12. power supplys.

Embodiment:

Now enumerate following examples for further understanding summary of the invention characteristics of the present invention and effect, and conjunction with figs. is described in detail as follows, sees also Fig. 1-Fig. 3.

Embodiment 1:

With the one-pipe heating system is example, as Fig. 1, shown in Figure 2: the present invention is by temperature sensor 1 and 2, transmission cable 3,16 path analoging switch 4, amplifier 5, A/D A-D converter 6, single-chip microcomputer 7, multi-subscriber time shared LCD 8, interface 9, voltage changer 10, remote transmission device 11 and power supply 1.5V (DC) 12 form, the design concept of this hotlist is identical with the ZL03258472.5 hotlist, be to pay upright leaf theorem according to heat transfer principle, in isotropic medium, the hot-fluid in any place is to transmit along the direction of temperature, the heat Q that transmits in its unit interval is directly proportional with the sectional area that temperature degree of falling reaches perpendicular to the heat conduction direction, promptly

Q＝-λgradt·F (W)

For unit area

＝——＝-λgradt＝-λ——(W/m ²)

This hotlist is that the heat dissipation capacity with the heat radiation of the NONLINEAR HEAT TRANSFER funtcional relationship integrating of the heat dissipation capacity of indoor heat radiator and room temperature realizes that heating measures by the family, it has broken through the measuring principle that traditional hotlist is measured flow and heat content difference, has eradicated the many interference to the flowmeter measurement of discharge of heating hot water water quality inferiority and impurity.

On this basis, the present invention in the instrument input circuit by transmission cable 3 with the building in the confession of the indoor every group of heat radiator of all users, on the return pipe and the temperature parameter that collects of the temperature sensor of installing respectively on the wall 1 and 2, directly deliver on 16 path analoging switch 4,16 path analoging switch 4 are according to each gating one paths of single-chip microcomputer 7 predefined instructions, press different user gating another one passage successively with the time split plot design, because, after the brownout that transmits this moment must amplify through amplifier 5, carry out data processing through A/D A-D converter 6 and single-chip microcomputer 7 programmings, and result of calculation delivered on the multi-subscriber time shared LCD 8 by the time integration, the time that each household shows can be set by single-chip microcomputer 7, as demonstration in the 1st second 101 families 5 degree, showed 102 families, 10 degree on the 2nd second, showed on the 3rd second that--order of----showed the heat that each household consumed to 201 families, 12 degree, and circulation shows constantly accumulation, like this, only can reflect the heat that a plurality of users consume with a hotlist, arrive the property center by remote transmission device 11 teletransmissions, realize Long-distance Control, teletransmission is checked meter, help centralized management, power supply 12 adopts 1.5V (DC) battery to promote into 6V (DC) through voltage changer 10, thereby eliminated the interference that has a power failure, saved the energy, but one of ammeter quantity first floor also can several floors one, are placed in the corridor to get final product.16 path analoging switch 4 are integrated circuit modules, can adopt i.e. 3 * 16-8 * 16=48-128 the passage input of 3-8 piece, and the realization multi-user data is gathered a multi-user shared hotlist.

Its advantage is: can make full use of indoor original piping system and heat radiator, newly-built dwelling house and old housing reform are made all and can be used, the improvement project amount is little, all be suitable for for two-pipe system and vertical single-main distribution, a multi-user shared hotlist has reduced the consumption of hotlist, improved the ratio of performance to price, simple in structure, adaptability is strong, can save a huge sum of money, good looking appearance, it is little to take up space, and is convenient to centralized management, and cost is low.

Embodiment 2:

With two-tube heating system is example, and as Fig. 1, shown in Figure 3: design concept and principle of work, advantage are all identical with embodiment 1.

Claims

1. the energy-saving heat meter that shows of a multi-subscriber time shared, it is by temperature sensor, transmission cable, logic switch, amplifier, the A/D A-D converter, 12 single-chip microcomputers, LCD, interface, remote transmission device, voltage changer, 1.5V direct supply is formed, temperature sensor is placed in the confession of every group of heating radiator, the return pipe place, and be connected with temperature sensor on being installed in wall, be connected with logic switch again, logic switch, amplifier, the A/D A-D converter, 12 single-chip microcomputers, LCD connects successively, and be connected with the property terminal by interface, it is characterized in that: described logic switch adopts 4067 types, 16 path analoging switch (4), it is connected with A/D A-D converter (6) through amplifier (5), A/D A-D converter (6) is connected with single-chip microcomputer (7), and single-chip microcomputer (7) is connected with interface (9) with LCD (8); The shared hotlist of a plurality of users, LCD (8) are provided in the heat that different time shows that different user consumes.

2. the energy-saving heat meter that multi-subscriber time shared according to claim 1 shows, it is characterized in that: described 16 path analoging switch (4) are integrated circuit modules, can adopt the 3-8 piece is 3 * 16---8 * 16=48-128 passage input.