CN2415353Y

CN2415353Y - Hot-water heating calorimeter capable of avoiding fraudulent use of water

Info

Publication number: CN2415353Y
Application number: CN 00210720
Authority: CN
Inventors: 王兴文; 高义
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-01-28
Filing date: 2000-01-28
Publication date: 2001-01-17
Anticipated expiration: 2010-01-28

Abstract

The utility model discloses a hot water heating calorimeter capable of avoiding fraudulent use of water, which is simultaneously provided with a water inlet meter body and a return water meter body, which have the same structure, wherein, a flow quantity sensor and a heat sensor, which are in the casing bodies of the water inlet meter body and the return water meter body, are connected with an electronic processor, the electronic processor is arranged in the outer cover of the electronic processor of the water inlet meter body, and a heat-insulating layer is arranged between the circuit board of the electronic processor and a press cover; an impeller wheel, which is in the casing of the water inlet meter body, is supported by a center, and is arranged in the outer sleeve of a machine core, a stainless steel body is arranged on the upper part of the impeller wheel, and a displaying keyboard controller is connected with the electronic processor through a serial data line. The utility model can simultaneously carry out counting and quality monitoring on heating hot water, can prevent a user from stealing water, and effectively solves the problems of the impurities and the corrosion of the heating hot water.

Description

Water-stealing-preventing hot water heating calorimeter

The utility model belongs to the technology of instrument and meter field, particularly a kind of hot water heating heat measuring meter of water-stealing-preventing.

At present, the most impeller tip that adopt of heat meter are installed magnet ring, by magnetic drives drive shape chamber upper gear reduction gear, utilize magnetic induction tongue tube at last and produce traffic pulse again, measure.Because impurity is more in the domestic heating hot water, iron rust slag particularly, these materials very easily are pasted on the impeller magnetic, make the impeller generation resistance that moves in turn, influence the flow metering precision, in addition, some heating unit drops into corrosive substance in heating hot water, these materials are very strong to magnet ring corrosivity, heat meter very easily is damaged in operational process, in addition, owing to there is not the water-stealing-preventing device, when making the user steal water, the heating hot water of loss can not measure.

In view of the foregoing, the purpose of this utility model is to provide a kind of and can measures user's hot water heat that heats, and heating quality is carried out detection by quantitative, can also steal the water-stealing-preventing hot water heating calorimeter of water measuring fixed amount to the user.

The purpose of this utility model be achieved in that the utility model by the intake gauge body, return water gauge body, electronic processors, display keyboard controller and form, electronic processors is installed in the intake gauge body; The intake gauge body is in full accord with time water gauge body inner structure, the intake gauge body is by top, impeller, screen pack, body of stainless steel, the movement overcoat, gland, flow sensor, thermal sensor, thermofin, the electronic processors outer cover, gland, gland nut, O-ring seal, housing, water inlet, water delivering orifice is formed, the two ends of housing are provided with water inlet and water delivering orifice, advance, water delivering orifice adopts the centering type structure, end at water inlet is provided with screen pack, movement is housed in the housing, movement is by impeller, top, movement overcoat and body of stainless steel constitute, impeller is contained in the movement overcoat by top support, body of stainless steel is contained in upper impeller, movement puts corresponding housing outward and is provided with into, apopore, impeller can rotate freely, movement is encapsulated in the housing by gland, seal by O-ring seal between gland and housing, gland is pressed on the housing by gland nut, flow sensor and thermal sensor are installed on the gland, and by lead connection electronic processors, electronic processors is contained in the electronic processors outer cover, be installed on the housing by gland, be added with thermofin in the middle of the circuit board of electronic processors and the gland; The flow sensor and the thermal sensor that return in the water gauge body connect electronic processors by lead; The display keyboard controller connects electronic processors by serial data line, can be installed in the intake gauge body or separately to install.

Electronic processors comprise pulse signal amplification circuit, counting circuit and and change serializer circuit, cpu control circuit, comparer A, comparer B, integrating circuit, eeprom memory, RTC clock circuit, lithium battery, the flow sensor that flow sensor in the intake gauge body reaches back in the water gauge body is connected in the pulse signal amplification circuit input end, the Transistor-Transistor Logic level signal feeding counting circuit of being exported by pulse signal amplification circuit reaches and the commentaries on classics serializer circuit, sends into cpu control circuit by the serial signal that counting circuit reaches and the commentaries on classics serializer circuit is exported; Temperature sensor in the intake gauge body reach back the inverting input that millivolt signal that the interior temperature sensor of water gauge body exports inserts comparer A and comparer B respectively; The sawtooth signal of integrating circuit output inserts the input end in the same way of comparer A and comparer B, and the output pulse width signal of comparer A and comparer B is sent into two timer control input ports of cpu control circuit; The work Enable Pin of integrating circuit is connected on the I/O port of cpu control circuit; Eeprom memory and RTC clock circuit are directly controlled by cpu control circuit, electronic processors by lithium battery as power supply.

During the work of water-stealing-preventing hot water heating heat energy table, heating hot water is entered in the housing die cavity through screen pack by the water inlet of intake gauge body housing, cover in the movement outward by movement, impact impeller, make the impeller rotation, and then flow out through water delivering orifice, impeller is in rotation, the body of stainless steel of upper impeller rotates synchronously with impeller, make the flow sensor induction send pulse signal, by lead pulse signal is sent to electronic processors and carries out data processing, simultaneously also will heat hot water temperature's signal of thermal sensor sends to electronic processors and traffic pulse processing respectively synchronously, and hot water measures and quality monitoring to heating; When the user stole water, heating hot water entered back water gauge body simultaneously, calculated by electronic processors that into water and circling water flow rate are poor, stole water as if the user, and difference in flow is non-vanishing, thereby the heating hot water of losing is measured.

The utility model is compared with original heat meter, the intake gauge body is housed simultaneously reaches back water gauge body, can prevent that the user from stealing water; In addition, flow sensor is adopted in the flow signal sampling, the traffic pulse that produces by the direct inductive flow sensor of stainless steel steel body on the impeller, its all devices that are immersed in the heating hot water are no magnetic material, efficiently solve the problem of impurity and corrosion in the heating hot water, increase the service life.

Further specify the utility model embodiment below in conjunction with accompanying drawing.

Fig. 1 is the utility model structural representation;

Fig. 2 is the utility model electronic processors circuit connecting figure.

Number in the figure is as follows: 1, intake gauge body; 2, return water gauge body; 3, electronic processors; 4, top; 5, impeller; 6, screen pack; 7, body of stainless steel; 8, movement overcoat; 9, gland; 10, flow sensor; 11, thermal sensor; 12, thermofin; 13, electronic processors outer cover; 14, gland; 15, gland nut; 16, O-ring seal; 17, housing; 18, water inlet; 19, water delivering orifice; 20, display keyboard controller.

As shown in Figure 1, the utility model is by intake gauge body 1, return water gauge body 2, electronic processors 3, display keyboard controller 20 is formed, electronic processors 3 is installed in back in the water gauge body 2, return water gauge body 3 by top 4, impeller 5, screen pack 6, body of stainless steel 7, movement overcoat 8, gland 9, flow sensor 10, thermal sensor 11, thermofin 12, electronic processors outer cover 13, gland 14, gland nut 15, O-ring seal 16, housing 17, water inlet 18, water delivering orifice 19 is formed, housing 17 two ends are provided with water inlet 18 and water delivering orifice 19, water inlet 18, water delivering orifice 19 adopts the centering type structure, be provided with screen pack 6 in the end of water inlet 18, in the housing 17 movement is housed, movement is by impeller 5, top 4, movement overcoat 8 and signal magnet 7 constitute, impeller 5 supports by top 4 and is contained in the movement overcoat 8, body of stainless steel 7 is contained in impeller 5 tops, corresponding housing 17 is provided with on the movement overcoat 8, apopore, impeller 5 can rotate freely, movement is encapsulated in the housing 17 by gland 9,17 of gland 9 and housings are by O-ring seal 16 sealings, gland 9 is pressed on the housing 17 by gland nut 5, flow sensor 10 and thermal sensor 11 are installed on the gland 9, and by lead connection electronic processors 8, electronic processors 3 is contained in the electronic processors outer cover 13, be installed on the housing 17 electronic processors 3 and the gland 9 middle thermofins 12 that are added with by gland 14; The flow sensor and the thermal sensor that return in the water gauge body 2 connect electronic processors 3 by lead; Display keyboard controller 20 connects electronic processors by serial data line, can be installed in the intake gauge body 2 or separately to install.

As shown in Figure 2, electronic processors comprise pulse signal amplification circuit, counting circuit and and change serializer circuit, cpu control circuit, comparer A, comparer B, integrating circuit, eeprom memory, RTC clock circuit, lithium battery, the flow sensor that flow sensor in the intake gauge body reaches back in the water gauge body is connected in the pulse signal amplification circuit input end, the Transistor-Transistor Logic level signal feeding counting circuit of being exported by the electromagnetic pulse amplifying circuit reaches and the commentaries on classics serializer circuit, sends into cpu control circuit by the serial signal that counting circuit reaches and the commentaries on classics serializer circuit is exported; Temperature sensor in the intake gauge body reach back the inverting input that millivolt signal that the interior temperature sensor of water gauge body exports inserts comparer A and comparer B respectively; The sawtooth signal of integrating circuit output inserts the input end in the same way of comparer A and comparer B, and the output pulse width signal of comparer A and comparer B is sent into two timer control input ports of cpu control circuit; The work Enable Pin of integrating circuit is connected on the I/O port of cpu control circuit; Eeprom memory and RTC clock circuit are directly controlled by cpu control circuit, and electronic processors is made power supply by lithium battery.

Claims

1, a kind of water-stealing-preventing hot water heating calorimeter, by the intake gauge body, return water gauge body, electronic processors, the display keyboard controller is formed, it is characterized in that: electronic processors is installed in the intake gauge body, the intake gauge body is by top, impeller, screen pack, body of stainless steel, the movement overcoat, gland, flow sensor, thermal sensor, thermofin, the electronic processors outer cover, gland, gland nut, O-ring seal, housing, water inlet, water delivering orifice is formed, advancing of housing two ends, water delivering orifice adopts the centering type structure, end at water inlet is provided with screen pack, movement is housed in the housing, movement is by impeller, top, movement overcoat and body of stainless steel constitute, impeller is contained in the movement overcoat by top support, body of stainless steel is contained in upper impeller, movement is encapsulated in the housing by gland, flow sensor and thermal sensor are installed on the gland, and connection electronic processors, electronic processors is contained in the electronic processors outer cover, be added with thermofin in the middle of the circuit board of electronic processors and the gland, the flow sensor that returns in the water gauge body connects electronic processors with thermal sensor, the display keyboard controller connects electronic processors by serial data line, and the display keyboard controller can be installed in the intake gauge body or separately and install.

2, water-stealing-preventing hot water heating calorimeter according to claim 1, it is characterized in that: described electronic processors comprises pulse signal amplification circuit, counting circuit reaches and the commentaries on classics serializer circuit, cpu control circuit, comparer A, comparer B, integrating circuit, eeprom memory, the RTC clock circuit, the flow sensor that flow sensor in the intake gauge body reaches back in the water gauge body is connected in the pulse signal amplification circuit input end, the Transistor-Transistor Logic level signal feeding counting circuit of being exported by pulse signal amplification circuit reaches and the commentaries on classics serializer circuit, sends into cpu control circuit by the serial signal that counting circuit reaches and the commentaries on classics serializer circuit is exported; Temperature sensor in the intake gauge body reach back the inverting input that millivolt signal that the interior temperature sensor of water gauge body exports inserts comparer A and comparer B respectively; The sawtooth signal of integrating circuit output inserts the input end in the same way of comparer A and comparer B, and the output pulse width signal of comparer A and comparer B is sent into two timer control input ports of cpu control circuit; The work Enable Pin of integrating circuit is connected on the I/O port of cpu control circuit; Eeprom memory and RTC clock circuit are directly controlled by cpu control circuit.