CN103837265A - Integrated prepayment type ultrasonic heat meter - Google Patents
Integrated prepayment type ultrasonic heat meter Download PDFInfo
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- CN103837265A CN103837265A CN201410094937.XA CN201410094937A CN103837265A CN 103837265 A CN103837265 A CN 103837265A CN 201410094937 A CN201410094937 A CN 201410094937A CN 103837265 A CN103837265 A CN 103837265A
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Abstract
The invention discloses an integrated prepayment type ultrasonic heat meter which comprises an ultrasonic flow meter, a matched temperature sensor, a calculator, a card reader and a control valve. A meter core unit of the ultrasonic flow meter and a valve element unit of the control valve are arranged in the same shell, the front portion of the shell is provided with a water inlet, the water inlet is provided with outer tube threads of a connection pipeline, the meter core unit of the ultrasonic flow meter is arranged in an inner cavity of the middle portion of the shell, the valve element unit of the control valve is disposed in an inner cavity of the rear portion of the shell, the tail end of the shell is provided with a hole and is connected with the front portion of an end cap of the control valve through threads, the rear portion of the end cap of the control valve is provided with a water outlet, and the water outlet is provided with outer tube threads of the connection pipeline. By means of the design of the integrated structure, the meter core unit of the ultrasonic flow meter and the valve element unit of the control valve are arranged in the same shell, so that the heat meter is convenient to disassemble, assemble and maintain, the end cap of the control valve and the shell are sealed through a sealing ring, and metering precision and use reliability of the prepayment type ultrasonic heat meter are improved.
Description
Technical field
The present invention relates to a kind of calorimeter, particularly a kind of pre-payment type ultrasonic calorimeter of integral type.
Background technology
At present, calorimeter is for measuring and showing that current discharge or absorb the instrument of thermal energy through heat-exchange system.The flow of the physical quantity that it records by two kinds of sensors---thermal barrier and the temperature of import and export, then compensation and the integral and calculating of passing through density and heat enthalpy value, just can obtain calorie value.It is a kind of take microprocessor and high-precision sensor as basic electromechanical integrated product, and its principle of work is: pairing temperature sensor is arranged on respectively on the Inlet and outlet pipe of heat exchange loop, flow sensor is arranged on entrance or outlet; Flow sensor sends flow signal, and pairing temperature sensor provides the temperature signal of entrance and exit, and counter gathers flow signal and temperature signal; Through calculating, demonstrate the calorie value that thermal liquid discharges to outlet from entrance.Calorimeter can be divided into common metering type and pre-payment type according to way of paying, and the former measures the actual use of user in heating cycle heat energy, collects the charges, for first using rear paid-type according to variable; The latter's pre-payment type calorimeter has IC-card pre paid functionality, post-pay paystation, and according to the input of payment amount control heat energy, more convenient heat supply center and user management and operation, be the pattern of modern management, is also future thrust.Prepayment Heat Meter is the intelligent Prepayment Heat Meter with IC-card reader device and operation valve device, mainly comprise: flow sensor, pairing temperature sensor, counter, reader device and operation valve, bi-directional dsc data and information between calorimeter and heating management system, realize heat metering and hot pre paid functionality, after first buying heat, use heat, after user pays the fees to administrative authority, administrative authority writes purchased calorie value in IC-card, user in card in data entry form after, the heat supply of table automatic valve opening, after purchase volume is finished, table valve-closing stops heat, thereby avoid charging dispute and visit and check meter.
Current pre-payment type ultrasonic calorimeter, its ultrasonic flow meter generally separates and manufactures and designs with operation valve, need to connect as one by screw thread etc., then accesses in heat supply pipeline.It is loosening that this structure is easy to occur being threaded in the installation of calorimeter or maintenance process, and then cause seepage, is not easy to safeguard and use.
Summary of the invention
The present invention provides a kind of pre-payment type ultrasonic calorimeter that prevents seepage and be convenient to the integral type of safeguarding for solving the technical matters existing in known technology.
The technical scheme that the present invention takes for the technical matters existing in solution known technology is: a kind of pre-payment type ultrasonic calorimeter of integral type, comprise ultrasonic flow meter, pairing temperature sensor, counter, reader device and operation valve, the watch core unit of described ultrasonic flow meter and the spool unit of described operation valve are installed in same housing, described housing front portion is provided with water inlet, described water inlet is provided with the external pipe thread of connecting tube, described housing middle part inner chamber is installed the watch core unit of described ultrasonic flow meter, described housing rear portion inner chamber is installed the spool unit of described operation valve, the perforate of described housing tail end is also threaded connection with the end cap front portion of described operation valve, the end cap rear portion of described operation valve is provided with water delivering orifice, described water delivering orifice is provided with the external pipe thread of connecting tube.
The present invention can also adopt following technical scheme:
The STRTHD that is threaded between the end cap front portion of described housing tail end and described operation valve is connected.
The pipe thread that is threaded between the end cap front portion of described housing tail end and described operation valve is connected.
Described housing middle part is also provided with the mounting hole of one of described pairing temperature sensor of assembling.
Described water delivering orifice endoporus xsect be shaped as interior sexangle or interior octagon.
Described housing tail end has internal thread hole; The end cap of described operation valve is tubular body, its front portion is provided with the external thread matching with described housing tail end internal thread hole, inner side in the middle and outside are equipped with a circular step, outside its anterior external thread and middle part, between circular step, are provided with exterior annular o-ring groove.
Outside the middle part of the end cap of described operation valve, between circular step and rear portion external pipe thread, its outside surface is provided with reinforcement.
Advantage and good effect that the present invention has are:
Adopt the structural design of the integral type of ultrasonic flow meter and operation valve, the spool unit of the watch core unit of described ultrasonic flow meter and described operation valve is installed in same housing, avoid the flowmeter of traditional pre-payment type ultrasonic calorimeter and controlled independently drawback of valve housing: between two independent case, being threaded connection, easily because thread looseness causes the seepage between flowmeter and operation valve; By the end cap that is easy to the operation valve of changing simple in structure, the housing that the parts such as the watch core unit of ultrasonic flow meter and the spool unit of operation valve have been installed is connected with pipeline, be convenient to dismounting and maintenance, between the end cap of operation valve and this housing, be threaded connection, and junction adopts the packoff processing such as O-ring seal, improve measuring accuracy and the dependability of pre-payment type ultrasonic calorimeter; Outside the end cap of operation valve, circular step is designed to hexagon or eight prismatic, or water delivering orifice endoporus xsect be shaped as interior sexangle or interior octagon, be convenient to wrench operated and install the end cap of operation valve; Disconnected position at the end cap of operation valve arranges reinforcement, can improve on the one hand the intensity of the end cap of operation valve, can make specific purpose tool for the end cap of operation valve is installed according to reinforcement on the other hand; The length direction of the end cap of operation valve can be according to pipe condition adjustment, adaptive different installation operating mode.
Accompanying drawing explanation
Fig. 1 is the structural representation of housing of the present invention;
Fig. 2 is the cross-sectional view of the end cap of operation valve of the present invention;
Fig. 3 is the cross-sectional view of housing of the present invention while being connected with the end cap of operation valve;
Fig. 4 is the external structure schematic diagram of pre-payment type ultrasonic calorimeter.
In figure: 1, housing front portion; 2, housing middle part; 3, housing rear portion; 4, housing tail end; 5, the end cap of operation valve; 6, the anterior external thread of the end cap of operation valve; 7, outside, the end cap of operation valve middle part circular step; 8, the end cap of operation valve middle part exterior annular o-ring groove; 9, inner side, the end cap of operation valve middle part circular step; 10, the end cap of operation valve middle part interior annular o-ring groove; 11, reinforcement; 12, the end cap water delivering orifice of operation valve, 13, the mounting hole of temperature sensor; 14, housing; 15, temperature sensor.
Embodiment
For further understanding summary of the invention of the present invention, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1～Fig. 4, a kind of pre-payment type ultrasonic calorimeter of integral type, comprise ultrasonic flow meter, pairing temperature sensor, counter, reader device and operation valve, the watch core unit of described ultrasonic flow meter and the spool unit of described operation valve are installed in same housing 14, described housing front portion 1 is provided with water inlet, the outer wall of described water inlet is provided with the external pipe thread of connecting tube, the inner chamber at described housing middle part 2 is installed the watch core unit of described ultrasonic flow meter, described housing rear portion 3 inner chambers are installed the spool unit of described operation valve, described housing tail end 4 perforates are also threaded connection with end cap 5 front portions of described operation valve, end cap 5 rear portions of described operation valve are provided with water delivering orifice 12, the outer wall of described water delivering orifice 12 is provided with the external pipe thread of connecting tube.
Wherein: being threaded between end cap 5 front portions of described operation valve and described housing tail end 4 can be STRTHD and be connected, and also can be pipe thread and connects.
Further, described housing middle part 2 also can be provided with the mounting hole 13 of fitting temperature sensor 15, and one of temperature sensor 15 is described pairing temperature sensor.
Further, the end cap of operation valve is installed for ease of wrench operated, the shape of the endoporus xsect of the water delivering orifice 12 of the end cap of operation valve can be interior sexangle or interior octagon.
On the basis of the above, the end cap 5 of described operation valve can be tubular body, described housing tail end 4 can have internal thread hole, end cap 5 front portions at described operation valve are provided with the external thread 6 matching with the internal thread hole of described housing tail end 4, inner side and outside at end cap 5 middle parts of described operation valve all can be provided with a circular step, outside the anterior external thread 6 of end cap 5 of described operation valve and middle part, between circular step 7, can be provided with exterior annular o-ring groove 8, inside end cap 5 middle parts of described operation valve, on the front end face of circular step 9, approach step root position and have interior annular o-ring groove 10, the interior corresponding O-ring seal that is equipped with of o-ring groove 8 and o-ring groove 10, in the time that described housing tail end 4 is connected with end cap 5 front threads 6 of described operation valve, in the end face junction of the outside circular step of the end cap 5 of described housing tail end 4 and described operation valve, seal by O-ring seal being housed at exterior annular o-ring groove 8, can effectively prevent seepage, further, in described enclosure interior, the end face junction of the inner side circular step of the spool unit of described operation valve and the end cap 5 of described operation valve, seal by O-ring seal being housed at interior annular o-ring groove 10, realize the effective sealing between the end cap of operation valve and the spool unit of enclosure interior operation valve, the effect of sealing is better.
Further, for ease of wrench operated, the end cap of operation valve is installed, circular step 7 can be hexagon or eight prismatic outside the middle part of the end cap of described operation valve.
Further, outside the middle part of the end cap of described operation valve between circular step and rear portion external pipe thread, its outside surface can be provided with reinforcement 11, can improve on the one hand the intensity of the end cap of operation valve, can make specific purpose tool for the end cap of operation valve is installed according to reinforcement on the other hand.
Principle of work of the present invention:
On the end cap 5 of operation valve, there is o-ring groove 8, install after O-ring seal, then be installed on housing 14, realized the effective sealing between end cap and the housing of operation valve, avoided seepage.
Total length after housing 14 is connected with the end cap 5 of operation valve is the length of pre-payment type ultrasonic calorimeter.Show size table long and mouth piece screw thread that be connected with pipeline as follows:
Claims (7)
1. the pre-payment type ultrasonic calorimeter of an integral type, comprise ultrasonic flow meter, pairing temperature sensor, counter, reader device and operation valve, it is characterized in that, the watch core unit of described ultrasonic flow meter and the spool unit of described operation valve are installed in same housing, described housing front portion is provided with water inlet, described water inlet is provided with the external pipe thread of connecting tube, described housing middle part inner chamber is installed the watch core unit of described ultrasonic flow meter, described housing rear portion inner chamber is installed the spool unit of described operation valve, the perforate of described housing tail end is also threaded connection with the end cap front portion of described operation valve, the end cap rear portion of described operation valve is provided with water delivering orifice, described water delivering orifice is provided with the external pipe thread of connecting tube.
2. the pre-payment type ultrasonic calorimeter of integral type according to claim 1, is characterized in that, the STRTHD that is threaded between the end cap front portion of described housing tail end and described operation valve is connected.
3. the pre-payment type ultrasonic calorimeter of integral type according to claim 1, is characterized in that, the pipe thread that is threaded between the end cap front portion of described housing tail end and described operation valve is connected.
4. the pre-payment type ultrasonic calorimeter of integral type according to claim 1, is characterized in that, described housing middle part is also provided with the mounting hole of one of described pairing temperature sensor of assembling.
5. the pre-payment type ultrasonic calorimeter of integral type according to claim 1, is characterized in that, described water delivering orifice endoporus xsect be shaped as interior sexangle or interior octagon.
6. according to the pre-payment type ultrasonic calorimeter of the arbitrary described integral type of claim 1 to 5, it is characterized in that, described housing tail end has internal thread hole; The end cap of described operation valve is tubular body, its front portion is provided with the external thread matching with described housing tail end internal thread hole, inner side in the middle and outside are equipped with a circular step, outside its anterior external thread and middle part, between circular step, are provided with exterior annular o-ring groove.
7. the pre-payment type ultrasonic calorimeter of integral type according to claim 6, is characterized in that, outside the middle part of the end cap of described operation valve, between circular step and rear portion external pipe thread, its outside surface is provided with reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410094937.XA CN103837265B (en) | 2014-03-14 | 2014-03-14 | A kind of pre-payment type ultrasonic calorimeter of integral type |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410094937.XA CN103837265B (en) | 2014-03-14 | 2014-03-14 | A kind of pre-payment type ultrasonic calorimeter of integral type |
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| CN103837265A true CN103837265A (en) | 2014-06-04 |
| CN103837265B CN103837265B (en) | 2016-09-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953303A (en) * | 2016-06-20 | 2016-09-21 | 常熟莎博智能仪表有限公司 | Combined intelligent meter and valve integrated machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201637513U (en) * | 2009-12-01 | 2010-11-17 | 李建国 | Ultrasonic prepaying heat meter |
| CN102313581A (en) * | 2011-09-22 | 2012-01-11 | 湖南常德牌水表制造有限公司 | Waterproof vortex electronic water meter and heat meter |
| CN202339601U (en) * | 2011-04-12 | 2012-07-18 | 耿哲 | Intelligent ultrasonic heat meter |
| CN102831716A (en) * | 2012-08-27 | 2012-12-19 | 曲宝源 | Low-voltage-loss column type ultrasonic heat meter for prepayment spherical expansion chamber |
| CN203772453U (en) * | 2014-03-14 | 2014-08-13 | 天津万华股份有限公司 | Integrated prepayment-type ultrasonic heat meter |
-
2014
- 2014-03-14 CN CN201410094937.XA patent/CN103837265B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201637513U (en) * | 2009-12-01 | 2010-11-17 | 李建国 | Ultrasonic prepaying heat meter |
| CN202339601U (en) * | 2011-04-12 | 2012-07-18 | 耿哲 | Intelligent ultrasonic heat meter |
| CN102313581A (en) * | 2011-09-22 | 2012-01-11 | 湖南常德牌水表制造有限公司 | Waterproof vortex electronic water meter and heat meter |
| CN102831716A (en) * | 2012-08-27 | 2012-12-19 | 曲宝源 | Low-voltage-loss column type ultrasonic heat meter for prepayment spherical expansion chamber |
| CN203772453U (en) * | 2014-03-14 | 2014-08-13 | 天津万华股份有限公司 | Integrated prepayment-type ultrasonic heat meter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953303A (en) * | 2016-06-20 | 2016-09-21 | 常熟莎博智能仪表有限公司 | Combined intelligent meter and valve integrated machine |
| CN105953303B (en) * | 2016-06-20 | 2018-10-09 | 常熟莎博智能仪表有限公司 | A kind of knockdown intelligent meter valve all-in-one machine |
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| Publication number | Publication date |
|---|---|
| CN103837265B (en) | 2016-09-14 |
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