CN203772453U - Integrated prepayment-type ultrasonic heat meter - Google Patents
Integrated prepayment-type ultrasonic heat meter Download PDFInfo
- Publication number
- CN203772453U CN203772453U CN201420116677.7U CN201420116677U CN203772453U CN 203772453 U CN203772453 U CN 203772453U CN 201420116677 U CN201420116677 U CN 201420116677U CN 203772453 U CN203772453 U CN 203772453U
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- CN
- China
- Prior art keywords
- operation valve
- end cap
- type ultrasonic
- described housing
- core unit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an integrated prepayment-type ultrasonic heat meter which includes an ultrasonic flowmeter, paired temperature sensors, a calculator, a card reading device and a control valve. A meter core unit of the ultrasonic flowmeter and a valve core unit of the control valve are both installed in the same casing. The front part of the casing is provided with a water inlet port. The water inlet port is provided with an outer pipe thread which for pipe connection. The meter core unit of the ultrasonic flowmeter is installed in an inner cavity at the middle of the casing. The valve core unit of the control valve is installed in an inner cavity at the rear part of the casing. The tail end of the casing is provided with a hole and connected with the front part of an end cover of the control valve through a thread. The rear part of the end cover of the control valve is provided with a water outlet port. The water outlet port is provided with an outer pipe thread for pipe connection. The integrated prepayment-type ultrasonic heat meter adopts an integrated structural design, and the meter core unit of the ultrasonic flowmeter and the valve core unit of the control valve are both installed in the same casing so as to facilitate disassembly and maintenance; and a seal ring is adopted to seal the end cover of the control valve and the casing so that the measurement precision and use reliability of the prepayment-type ultrasonic heat meter are improved.
Description
Technical field
The utility model 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 that a kind of to take microprocessor and high-precision sensor be 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, according to variable, collects the charges, and is paid-type after first using; The latter's pre-payment type calorimeter has IC-card pre paid functionality, and post-pay paystation is controlled the input of heat energy according to payment amount, and 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 utility model provides a kind of pre-payment type ultrasonic calorimeter of the integral type that prevents seepage and be convenient to safeguard for solving the technical matters existing in known technology.
The technical scheme that the utility model is taked 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 utility model 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 the good effect that the utlity model 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, avoided 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 replacing simple in structure, the housing that the watch core unit of ultrasonic flow meter and the parts such as 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 packoffs such as O-ring seal to process, and has improved 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 the end cap that wrench operated is installed 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 utility model;
Fig. 2 is the cross-sectional view of the end cap of operation valve of the present utility model;
Fig. 3 is the cross-sectional view of housing of the present utility model 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 is anterior; 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 utility model, 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: the end cap of described operation valve 5 anterior with described housing tail end 4 between be threaded and can be STRTHD and be connected, also can be pipe thread connection.
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, when described housing tail end 4 is connected with end cap 5 front threads 6 of described operation valve, end face junction at the outside circular step of the end cap 5 of described housing tail end 4 and described operation valve, by O-ring seal being housed at exterior annular o-ring groove 8, seal, 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, by O-ring seal being housed at interior annular o-ring groove 10, seal, realized 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, the end cap of operation valve is installed for ease of wrench operated, 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 utility model:
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 end cap of operation valve and the effective sealing between housing, 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 |
|---|---|---|---|
| CN201420116677.7U CN203772453U (en) | 2014-03-14 | 2014-03-14 | Integrated prepayment-type ultrasonic heat meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420116677.7U CN203772453U (en) | 2014-03-14 | 2014-03-14 | Integrated prepayment-type ultrasonic heat meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203772453U true CN203772453U (en) | 2014-08-13 |
Family
ID=51289631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420116677.7U Expired - Fee Related CN203772453U (en) | 2014-03-14 | 2014-03-14 | Integrated prepayment-type ultrasonic heat meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203772453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837265A (en) * | 2014-03-14 | 2014-06-04 | 天津万华股份有限公司 | Integrated prepayment type ultrasonic heat meter |
-
2014
- 2014-03-14 CN CN201420116677.7U patent/CN203772453U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837265A (en) * | 2014-03-14 | 2014-06-04 | 天津万华股份有限公司 | Integrated prepayment type ultrasonic heat meter |
| CN103837265B (en) * | 2014-03-14 | 2016-09-14 | 天津万华股份有限公司 | A kind of pre-payment type ultrasonic calorimeter of integral type |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20170314 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |