CN103926024A - Multi-channel multi-functional ultrasonic heat and cold amount meter - Google Patents

Multi-channel multi-functional ultrasonic heat and cold amount meter Download PDF

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Publication number
CN103926024A
CN103926024A CN201410131482.4A CN201410131482A CN103926024A CN 103926024 A CN103926024 A CN 103926024A CN 201410131482 A CN201410131482 A CN 201410131482A CN 103926024 A CN103926024 A CN 103926024A
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CN
China
Prior art keywords
cover
gauge outfit
meter
transducer
mounting hole
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Application number
CN201410131482.4A
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Chinese (zh)
Inventor
王军
姜力群
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北京艾科瑞能源科技有限公司
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Priority to CN201410131482.4A priority Critical patent/CN103926024A/en
Publication of CN103926024A publication Critical patent/CN103926024A/en

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Abstract

The invention relates to a multi-channel multi-functional ultrasonic heat and cold amount meter. The heat and cold amount meter comprises a meter body, a meter head upper cover, a meter head lower cover and a temperature sensor. A glass window is arranged at the top of the meter head upper cover, a circuit board is arranged inside the meter head upper cover, the meter head upper cover is connected with the meter head lower cover through fixing screws, a pipeline extending downwards is arranged on the meter head lower cover, the meter body is in a hollow pipeline shape, and the two ends of the meter body are provided with a water inlet and a water outlet respectively. Transducer installation holes are formed in the two sides of the meter body, ultrasonic transducers are installed in the transducer installation holes, and wire penetrating holes are connected above the transducer installation holes and connected with the pipeline of the meter head lower cover, and the meter body is further provided with a temperature measuring hole and a pressure measuring hole. Through kinds of seal and protection treatment, the protection grade of the product reaches the level of IP68, and the heat and cold amount meter can normally work under kinds of environments and is particularly suitable for occasions of an unstable water field, a severe using environment and a turbid sewage medium environment.

Description

The hot cold meter of a kind of multi-track multifunctional ultrasonic type

Technical field

The present invention relates to the hot cold meter of a kind of multi-track multifunctional ultrasonic type, relate in particular to a kind of hot cold meter of measuring the interior flow of circulatory mediator of the circulation system and the multi-functional high-protection level of quality with multichannel ultrasonic wave principle.

Background technology

Development along with Sinomania metering industry, extend multiple metering and energy-conserving product, as stipulated in < < JGJ173-2009 heat metering technical manual > >: radiator heat distributes meter method, calorimeter method, flow temperature method, make-and-break time area-method etc. for family, and every kind of metering method demand heavy caliber ultrasonic calorimeter all, as the clearing of building or the node of heat sharing or foundation.

And on market, a lot of or heavy caliber ultrasonic type calorimeter import or domestic be installed in recent years, according to service condition, substantially there is the problem of following several respects:

1,, regardless of newly-built pipe network or old pipe network, a lot of all reserved positions that heavy caliber ultrasonic type calorimeter is installed, so a lot of scene does not all meet installation requirement, cause the WATER AS FLOW MEDIUM field of the calorimeter measurement of flowing through unstable, thereby cause metering inaccurate.

2, a lot of calorimeters of installing are in the market all single metering effects, along with the energy-conservation enforcement of country's heat metering, people more and more find that single measuring instrument is very little to energy-conservation effect, can only play the effect that progressively promotes consciousness, and will possess energy-conservation effect, must possess metering and control function, and can gather official website upward pressure or other data.So the instrument of single function of measuring is more and more difficult to satisfy the demands.

3, because heating network is all built and is located in the ground, so calorimeter is substantially all arranged in independent underground pipe well, it is also relatively good that some areas require strict some construction to compare standard protective, but most pipe well is substantially non-watertight, dustproof, also just caused a lot of calorimeters very short time after installation to be just immersed in water or to cover in dust, after having grown service time, can cause calorimeter to use even and scrap.

Summary of the invention

Technical matters to be solved by this invention is to provide the hot cold meter of a kind of multi-track multifunctional ultrasonic type, has overcome deficiency of the prior art, realizes the feature accurate, multi-functional, high-protection level of measuring.

The technical scheme that the present invention solves the problems of the technologies described above is as follows: the hot cold meter of a kind of multi-track multifunctional ultrasonic type, comprise table body, gauge outfit upper cover, gauge outfit lower cover and temperature sensor, the top of described gauge outfit upper cover is provided with glass vision panel, the inside of described gauge outfit upper cover is provided with wiring board, the bottom of described gauge outfit upper cover is connected with the top of gauge outfit lower cover by upper and lower covers fixed screw, the bottom of described gauge outfit lower cover is provided with the pipeline to downward-extension, described table body is the pipe-like of hollow, two ends are respectively equipped with water inlet and water delivering orifice, the both sides of described table body are provided with and the transducer mounting hole of showing body and being connected, in described transducer mounting hole, ultrasonic transducer is installed, the top of described transducer mounting hole is connected with through wires hole, described through wires hole is connected with the pipeline of gauge outfit lower cover bottom, the lead-in wire of described ultrasonic transducer enters gauge outfit lower cover by through wires hole (built-in type), upwards be connected with the wiring board of gauge outfit upper cover inside again, described table body is also provided with and pressure tap and the thermometer hole showing body and be communicated with, the bottom of described temperature sensor extend in table body by thermometer hole.

The present invention increases pressure tap (pressure acquisition point) on the pipeline of table body, can gather ductwork pressure, for adjusting hydraulic equilibrium, provides foundation; In product function, reserved MBUS, RS485,4-20mA various communication interfaces simultaneously, by 4-20mA communication interface, can combine with electric flow control valve (equalizing valve), realized timesharing subregion, pre-payment etc. and control function.

Described circuit board gathers flow signal and temperature signal, adopts multichannel technology, can improve accuracy and the power of test to different water field of measurement.The model of described temperature sensor can adopt PT1000.Described circuit board has multiple power supply mode, multiple communication function interface, by pressure tap, gather pressure, thermometer hole collecting temperature, simultaneously the 4-20mA interface on circuit board can connection traffic variable valve and is exported control signal, can realize heavy construction, public building, school etc. and control for the timesharing subregion of thermal region, reach energy-conservation object.The whole embedding of described whole table assembling test completing circuit plate portion, the barrier propterty of deducting a percentage again.

On the basis of technique scheme, the present invention can also do following improvement.

Further, the top movable of described gauge outfit upper cover is connected with gauge outfit turning and that cover on it and renovates.

The beneficial effect that adopts above-mentioned further technical scheme is that gauge outfit renovates is the protective device of gauge outfit glass vision panel, can prevent and treat weight and pound or trample.

Further, the top of described gauge outfit upper cover is also provided with gauge outfit face and pastes, and described gauge outfit face pastes the surrounding that is positioned at glass vision panel.

The beneficial effect that adopts above-mentioned further technical scheme is that the subsides of gauge outfit face have effect attractive in appearance and sealing.

Further, the top of described gauge outfit upper cover is fixedly connected with glass vision panel pressing plate, above described glass vision panel pressing plate, be coated with circuit board face and paste, described glass vision panel is arranged on circuit board face and sticks, and between described glass vision panel and gauge outfit upper cover, is provided with glass vision panel O-ring seal.

Further, between the bottom of described gauge outfit upper cover and the top of gauge outfit lower cover, be provided with gauge outfit upper and lower covers O-ring seal.

Further, the bottom of described gauge outfit lower cover is also provided with the water joint for signal wire access.

The beneficial effect that adopts above-mentioned further technical scheme is that the present invention increases multiple power supply mode, multiplex communication modes, valve control interface on functional interface, can realize metering and control service simultaneously, realize timesharing subregion control, according to temperature control voluntarily, the several functions such as pre-payment control, play energy-conservation time convenient management and save cost.

Further, in the downward extended pipeline in described gauge outfit lower cover bottom, be provided with connecting link, the top of described connecting link is connected with gauge outfit lower cover, and the bottom of described connecting link is directly connected with table body through through wires hole, and the junction of described through wires hole and gauge outfit lower cover bottom pipe is provided with polytetrafluoroethylsealed sealed pad.

The beneficial effect that adopts above-mentioned further technical scheme is that connecting link is fixedly connected with gauge outfit lower cover with table body, and polytetrafluoroethylsealed sealed pad can play the effect of sealing.Polytetrafluoroethylsealed sealed pad by teflon rod, pipe, plate through mechanical turning or cut the flat shim that forms, V-arrangement pad, piston ring, ball valve packing ring etc. and there is the superperformances such as corrosion-resistant, anti-aging and non-conductive.

Further, the number of described transducer mounting hole is one, two or four, is respectively monophony transducer mounting hole, two-channel transducer mounting hole or quadraphonic transducer mounting hole.

The beneficial effect that adopts above-mentioned further technical scheme be this invention pipe design can monophony, two-channel, quadrophonic mould, there is the features such as sample frequency is high, measurement interface is wide, overcome because of water field shakiness cause metering inaccurate problem, the position of the reserved stabilier in the direction of simultaneously intaking tube wall inner side, stablizes water field in case of the situation of water field very severe also can install stabilier additional in current the place ahead.

Further, described ultrasonic transducer overcoat has transducer pressure ring, and front end is also provided with transducer O-ring seal.

Further, the external stability of described transducer mounting hole is connected with the transducer cover plate for sealing, and is also provided with transducer cover plate for sealing pad between described transducer mounting hole and transducer cover plate.

On product circuit plate of the present invention, master chip adopts 32 EFM32 of Energy Micro company, and extremely low power consumption and high performance arithmetic speed, ensure long-time reliably working; Flow temperature acquisition chip adopts the GP21 special chip of German ACAM company to support the use, and can mate the ultrasonic flow meter of any bore.By great many of experiments and long-time steady operation, fiduciary level of the present invention reaches 100%, and all technical meets the requirement of the measurement verification regulations JJG225-2001 of the People's Republic of China (PRC) and CJ128-2007 calorimeter industry standard.

The present invention, adopt hot investment casting one-shot forming, material adopts 304 stainless steels, adopts modular mold designs, the upper and lower symmetric design in the external cavity upper surface left and right sides has eight or four circular clear openings, for the transmission/reception of multichannel ultrasonic signal---ultrasonic transducer is installed; And in the reserved position that stabilier is installed of water inlet direction, for being installed, stabilier stablizes water field; Because the circulatory mediator in cavity is the carrier as ultrasound signal transmission, so when stable the flowing of circulatory mediator energy also just guaranteed the stable transfer of ultrasonic signal, by multichannel technology, can measure again the flow of a plurality of surface levels, so just can reach the object of precise and stable metering.In sum, this invention flowmeter has the effect of multichannel accurate measurement, current stabilization, can improve measuring accuracy and Measurement sensibility.

The present invention just fully takes into account the protective of product at the beginning of design, and flow signal line adopts built-in type structure, temperature signal line to adopt the mode of sheath; The joining place of parts adopts rubber seal, polytetrafluoroethylsealed sealed, waterproof plug, embedding multiple means to guarantee the degree of protection of product everywhere.

The present invention is according to use experience in the past and the present situation in industry, by various sealings, protective, process, make the degree of protection of product reach the level of IP68, can under multiple environment, normally work, be especially applicable to unstable in water field, environment for use is severe, use under muddy dirt media environment.

The invention has the beneficial effects as follows: product of the present invention is considered domestic Industry working environment, the comprehensive shortcoming optimal design of product in the past, can forever move use, life-span is long, the ratio of performance to price is high, reduces later stage operating cost, indirectly for country has saved resource; Product of the present invention, guaranteeing, under the prerequisite of maximum working pressure (MWP), to adopt the maximized optimal design of stainless steel, makes factorial lumber material less, and promotes measurement quality, directly for country economizes on resources; Product of the present invention has good degree of protection, is applicable to most domestic environment for use at present, uses efficiency-cost ratio high; Product of the present invention is extendible multiple functional, different functions can be integrated together, and can be applicable to different customer demands, reduces investment outlay simultaneously.

Accompanying drawing explanation

Fig. 1 is the whole assembling of the present invention schematic diagram;

Fig. 2 is elevation cross-sectional view of the present invention;

Fig. 3 is side cutaway view of the present invention;

Fig. 4 is monophony table body stereographic map of the present invention;

Fig. 5 is two-channel table body stereographic map of the present invention;

Fig. 6 is quadraphonic table body stereographic map of the present invention.

In accompanying drawing, the list of parts of each label representative is as follows:

1, gauge outfit is renovated, 2, gauge outfit face pastes, 3, gauge outfit upper cover, 4, glass vision panel O-ring seal, 5, glass vision panel, 6, circuit board face pastes, 7, glass vision panel pressing plate, 8, circuit board, 9, connecting link, 10, gauge outfit upper and lower covers O-ring seal, 11, temperature sensor, 12, gauge outfit lower cover, 13, water joint, 14, table body, 15, upper and lower covers fixed screw, 16, polytetrafluoroethylsealed sealed pad, 17, thermometer hole, 18, through wires hole, 19, transducer O-ring seal, 20, ultrasonic transducer, 21, transducer pressure ring, 22, transducer cover plate for sealing pad, 23, transducer cover plate, 24, pressure tap, 25, quadraphonic transducer mounting hole, 26, monophony transducer mounting hole, 27, two-channel transducer mounting hole.

Embodiment

Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.

As Fig. 1, shown in 2 and 3, the hot cold meter of a kind of multi-track multifunctional ultrasonic type, comprise table body 14, gauge outfit upper cover 3, gauge outfit lower cover 12 and temperature sensor 11, the top of described gauge outfit upper cover 3 is provided with glass vision panel 5, the inside of described gauge outfit upper cover 3 is provided with wiring board 8, the bottom of described gauge outfit upper cover 3 is connected with the top of gauge outfit lower cover 12 by upper and lower covers fixed screw 15, the bottom of described gauge outfit lower cover 12 is provided with the pipeline to downward-extension, described table body 14 is the pipe-like of hollow, two ends are respectively equipped with water inlet and water delivering orifice, the both sides of described table body 14 are provided with and the transducer mounting hole of showing body 14 and being connected, in described transducer mounting hole, ultrasonic transducer 20 is installed, the top of described transducer mounting hole is connected with through wires hole 18, described through wires hole 18 is connected with the pipeline of gauge outfit lower cover 12 bottoms, the lead-in wire of described ultrasonic transducer 20 enters gauge outfit lower cover 12 by through wires hole 18, upwards be connected with the wiring board 8 of gauge outfit upper cover 3 inside again, described table body 14 is also provided with and pressure tap 24 and the thermometer hole 17 showing body 14 and be communicated with, the bottom of described temperature sensor 11 extend in table body 14 by thermometer hole 17.

Described pressure tap 24, for reserved solid construction out, if need pressure measurement, punches, and connects manograph gaging pressure.

The top movable of described gauge outfit upper cover 3 is connected with gauge outfit turning and that cover on it and renovates 1.It is the protective device of gauge outfit glass vision panel 5 that described gauge outfit renovates 1, can prevent and treat weight and pound or trample.

The top of described gauge outfit upper cover 3 is also provided with gauge outfit face and pastes 2, and described gauge outfit face subsides 2 are positioned at the surrounding of glass vision panel 5, has effect attractive in appearance and sealing.

The top of described gauge outfit upper cover 1 is fixedly connected with glass vision panel pressing plate 7, described glass vision panel pressing plate 7 is coated with circuit board face above and pastes 6, described glass vision panel 5 is arranged on circuit board face and pastes on 6, between described glass vision panel 5 and gauge outfit upper cover 3, is provided with glass vision panel O-ring seal 4.

Between the top of the bottom of described gauge outfit upper cover 3 and gauge outfit lower cover 12, be provided with gauge outfit upper and lower covers O-ring seal 10.

The bottom of described gauge outfit lower cover 12 is also provided with the water joint 13 for signal wire access.

In the described gauge outfit lower cover 12 downward extended pipelines in bottom, be provided with connecting link 9, the top of described connecting link 9 is connected with gauge outfit lower cover 12, the bottom of described connecting link 9 is directly connected with table body 14 through through wires hole 18, and described through wires hole 18 is provided with polytetrafluoroethylsealed sealed pad 16 with the junction of gauge outfit lower cover 12 bottom pipe.Described connecting link 9 is fixedly connected with gauge outfit lower cover 12 with table body 14, polytetrafluoroethylsealed sealed pad 16 can play the effect of sealing.

As shown in Fig. 4,5 and 6, the number of described transducer mounting hole is one, two or four, is respectively monophony transducer mounting hole 26, two-channel transducer mounting hole 27 or quadraphonic transducer mounting hole 25.This invention pipe design can monophony, two-channel, quadrophonic mould, there is the features such as sample frequency is high, measurement interface is wide, overcome because of water field shakiness cause metering inaccurate problem, the position of the reserved stabilier in the direction of simultaneously intaking tube wall inner side, stablizes water field in case of the situation of water field very severe also can install stabilier additional in current the place ahead.

Described ultrasonic transducer 20 overcoats have transducer pressure ring 21, and front end is also provided with transducer O-ring seal 19.

The external stability of described transducer mounting hole is connected with the transducer cover plate 23 for sealing, and is also provided with transducer cover plate for sealing pad 22 between described transducer mounting hole and transducer cover plate 23.

The present invention increases pressure tap 24(pressure acquisition point on the pipeline of table body 14), can gather ductwork pressure, for adjusting hydraulic equilibrium, provide foundation; In product function, reserved MBUS, RS485,4-20mA various communication interfaces simultaneously, by 4-20mA communication interface, can combine with electric flow control valve (equalizing valve), realized timesharing subregion, pre-payment etc. and control function.

Described circuit board 8 gathers flow signal and temperature signal, adopts multichannel technology, can improve accuracy and the power of test to different water field of measurement.The model of described temperature sensor 11 can adopt PT1000.Described circuit board 8 has multiple power supply mode, multiple communication function interface, by pressure tap 24, gather pressure, thermometer hole 17 collecting temperatures, simultaneously the 4-20mA interface on circuit board can connection traffic variable valve and is exported control signal, can realize heavy construction, public building, school etc. and control for the timesharing subregion of thermal region, reach energy-conservation object.The whole embedding of described whole table assembling test completing circuit plate portion, the barrier propterty of deducting a percentage again.

The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (10)

1. the hot cold meter of multi-track multifunctional ultrasonic type, comprise table body (14), gauge outfit upper cover (3), gauge outfit lower cover (12) and temperature sensor (11), the top of described gauge outfit upper cover (3) is provided with glass vision panel (5), the inside of described gauge outfit upper cover (3) is provided with wiring board (8), the bottom of described gauge outfit upper cover (3) is connected with the top of gauge outfit lower cover (12) by upper and lower covers fixed screw (15), it is characterized in that, the bottom of described gauge outfit lower cover (12) is provided with the pipeline to downward-extension, described table body (14) is the pipe-like of hollow, two ends are respectively equipped with water inlet and water delivering orifice, the both sides of described table body (14) are provided with and the transducer mounting hole of showing body (14) and being connected, ultrasonic transducer (20) is installed in described transducer mounting hole, the top of described transducer mounting hole is connected with through wires hole (18), described through wires hole (18) is connected with the pipeline of gauge outfit lower cover (12) bottom, the lead-in wire of described ultrasonic transducer (20) enters gauge outfit lower cover (12) by through wires hole (18), upwards be connected with the wiring board (8) of gauge outfit upper cover (3) inside again, described table body (14) is also provided with and pressure tap (24) and the thermometer hole (17) showing body (14) and be communicated with, the bottom of described temperature sensor (11) extend in table body (14) by thermometer hole (17).
2. the hot cold meter of multi-track multifunctional ultrasonic type according to claim 1, is characterized in that, the top movable of described gauge outfit upper cover (3) is connected with gauge outfit turning and that cover on it and renovates (1).
3. the hot cold meter of multi-track multifunctional ultrasonic type according to claim 1, is characterized in that, the top of described gauge outfit upper cover (3) is also provided with gauge outfit face and pastes (2), and described gauge outfit face pastes the surrounding that (2) are positioned at glass vision panel (5).
4. the hot cold meter of multi-track multifunctional ultrasonic type according to claim 1, it is characterized in that, the top of described gauge outfit upper cover (1) is fixedly connected with glass vision panel pressing plate (7), described glass vision panel pressing plate (7) is coated with circuit board face above and pastes (6), described glass vision panel (5) is arranged on circuit board face and pastes (6) above, between described glass vision panel (5) and gauge outfit upper cover (3), is provided with glass vision panel O-ring seal (4).
5. the hot cold meter of multi-track multifunctional ultrasonic type according to claim 1, is characterized in that, between the bottom of described gauge outfit upper cover (3) and the top of gauge outfit lower cover (12), is provided with gauge outfit upper and lower covers O-ring seal (10).
6. the hot cold meter of multi-track multifunctional ultrasonic type according to claim 1, is characterized in that, the bottom of described gauge outfit lower cover (12) is also provided with the water joint (13) for signal wire access.
7. the hot cold meter of multi-track multifunctional ultrasonic type according to claim 1, it is characterized in that, in the downward extended pipeline in described gauge outfit lower cover (12) bottom, be provided with connecting link (9), the top of described connecting link (9) is connected with gauge outfit lower cover (12), the bottom of described connecting link (9) is directly connected with table body (14) through through wires hole (18), and described through wires hole (18) is provided with polytetrafluoroethylsealed sealed pad (16) with the junction of gauge outfit lower cover (12) bottom pipe.
8. according to the hot cold meter of multi-track multifunctional ultrasonic type described in claim 1 to 7 any one, it is characterized in that, the number of described transducer mounting hole is one, two or four, is respectively monophony transducer mounting hole (26), two-channel transducer mounting hole (27) or quadraphonic transducer mounting hole (25).
9. according to the hot cold meter of multi-track multifunctional ultrasonic type described in claim 1 to 7 any one, it is characterized in that, described ultrasonic transducer (20) overcoat has transducer pressure ring (21), and front end is also provided with transducer O-ring seal (19).
10. according to the hot cold meter of multi-track multifunctional ultrasonic type described in claim 1 to 7 any one, it is characterized in that, the external stability of described transducer mounting hole is connected with the transducer cover plate (23) for sealing, and between described transducer mounting hole and transducer cover plate (23), is also provided with transducer cover plate for sealing pad (22).
CN201410131482.4A 2014-04-02 2014-04-02 Multi-channel multi-functional ultrasonic heat and cold amount meter CN103926024A (en)

Priority Applications (1)

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CN103926024A true CN103926024A (en) 2014-07-16

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104457872A (en) * 2014-12-25 2015-03-25 重庆市伟岸测器制造股份有限公司 Multifunctional water meter body installation structure
CN104501888A (en) * 2014-12-25 2015-04-08 重庆市伟岸测器制造股份有限公司 Multifunctional water meter

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104457872A (en) * 2014-12-25 2015-03-25 重庆市伟岸测器制造股份有限公司 Multifunctional water meter body installation structure
CN104501888A (en) * 2014-12-25 2015-04-08 重庆市伟岸测器制造股份有限公司 Multifunctional water meter
CN104501888B (en) * 2014-12-25 2018-07-24 重庆市伟岸测器制造股份有限公司 Multifunctional watermeter
CN104457872B (en) * 2014-12-25 2018-08-31 重庆市伟岸测器制造股份有限公司 A kind of multifunctional watermeter table mounting structure

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Application publication date: 20140716