CN202471153U - Intelligent gas roots flow meter - Google Patents
Intelligent gas roots flow meter Download PDFInfo
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- CN202471153U CN202471153U CN2012200214187U CN201220021418U CN202471153U CN 202471153 U CN202471153 U CN 202471153U CN 2012200214187 U CN2012200214187 U CN 2012200214187U CN 201220021418 U CN201220021418 U CN 201220021418U CN 202471153 U CN202471153 U CN 202471153U
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Abstract
The utility model discloses an intelligent gas roots flow meter, which integrates mechanical transmission and an intelligent integration corrector. A machine is connected through a flexible magnet, and is used for converting magnetic signals to pulse signals for output; the pulse signals are intelligently corrected by an intelligent integration instrument for compensating; and a phenomenon of stealing gas can be effectively prevented through an electromagnetic principle of a reed pipe. The intelligent gas roots flow meter provided by the utility model is simple, novel and small in structure. According to the intelligent gas roots flow meter, the mechanical transmission and the intelligent integration corrector can be ingeniously integrated; the time for assembling the intelligent gas roots flow meter with the more compact structure is saved; and the phenomenon of stealing the gas by illegal means can be effectively prevented.
Description
Technical field
The positive displacement metering instrument device national standard name that the utility model relates to gas medium flow in a kind of cubing closed conduct is called gas waist wheel (Roots) flowmeter, is specifically related to a kind of measurement that is used for gases such as rock gas, coal gas, inert gas, air.
Background technology
Gas waist wheel (Roots) flowmeter is a kind of positive displacement instrument of measuring gas medium flow in the closed conduct.Its with its precision is high, range ability is wide, volume is little, in light weight, installation and maintenance convenient, use reliable and durable characteristics such as serviceable life; The Trade Measures that is widely used in city gas is specially adapted to the Trade Measures of big gas users such as office, school, enterprises and institutions, hotel, restaurant.Also can be used for occasions such as the analytic accounting amount, gas distribution station of various raw material of industry gas, main supply station.
Existing gas roots flowmeter is divided into following three kinds: A: single mechanical type, B: single electron type, the dynamo-electric mixed type of C.Wherein dynamo-electric mixed type is widely used owing to its multiple functional advantage.But the gas roots flowmeter of dynamo-electric mixed type is in design production process technology complicacy, and cost is high, and it also exists round malicious sabotage easily to usurp the combustion gas problem of resource in practical application simultaneously.
Referring to Fig. 1, existing gas roots flowmeter is that the 300 fens two parts in mechanical display part 200 and electronics display part are formed, and is positioned at the two ends of underlying table 100, and the correction of electronic section is unstable relatively, and the phenomenon of losing signal is often arranged; Secondly, when having the client only to need the electron type flowmeter, the lawless person utilizes strong magnetic interference correction instrument operate as normal, usurps combustion gas.
The utility model content
The utility model is directed against the existing existing problem of gas roots flowmeter, and a kind of intelligent gas roots flowmeter is provided.The utility model combines mechano-electronic, when improving the various performances of product, reduces whole manufacturing cost again, satisfies user's demand greatly.
In order to achieve the above object, the utility model adopts following technical scheme:
Intelligent gas roots flowmeter; Comprise a housing; Be provided with two waist wheels, mechanical counter, intelligent integral-counting instrument, magnetic coupling gearing, the transmitting gear of a pair of mutual seamless engagement, driving gear set, magnet steel, signal transducer in the said housing; Said a pair of transmitting gear is meshing with each other and keeps two waists to take turns continuous unremitting run-in synchronism; The mechanical motion that said magnetic coupling gearing matches with transmitting gear waist wheel drives output to driving gear set and magnet steel through the magnetic coupling, and than being converted into the flow value that shows shown in the mechanical counter, said driving gear set drives said magnet steel generation circular motion to said driving gear set synchronously through corresponding rotation; Said pulse signal sensor obtains the signal that the magnet steel motion is produced, and reaches intelligent integral-counting instrument; Said intelligent integral-counting instrument carries out real time temperature, pressure compensation calculates, and gained actual standard flow is shown through display screen.
In the embodiment of the utility model, said intelligent integral-counting instrument also comprises the tongue tube burglary-resisting system, and said tongue tube burglary-resisting system and intelligent integral-counting instrument join, and matches with said mechanical counter.
Further, said magnetic coupling gearing comprises drive sleeve, magnet ring and magnetic core, and said drive sleeve matches with said transmitting gear, and said magnet ring is set on the drive sleeve, and said magnetic core matches with magnet ring and carries out the transmission of non-contact type magnetic.
Further, said driving gear set is made up of plastic gear.
Further, be embedded with a retainer on the said driving gear set.
Further, said pulse signal sensor is Wei root sensor or magneto-dependent sensor.
Further, said intelligent integral-counting instrument is placed on the housing through rotary components, can orientation angle the rotation gauge outfit, reach that flowmeter is enterprising to be gone out to install down or the visual transition that the right side goes out to install is advanced on a left side.
Further again, head-shield on the said intelligent integral-counting instrument and rotary components are the transparent plastic body.
The utility model that obtains according to such scheme compared with prior art has the following advantages:
1, more compact, the stable performance of structure, structure is unique, novel;
2, the machinery demonstration is presented in the same instrument housing with electronics.
3, prevent that other people from malice illegally usurping combustion gas;
4, improved production efficiency greatly, and metering performance is more stable;
5, can realize that the circumference that shows rotates at any angle, be convenient to reading, practical.
Description of drawings
Further specify the utility model below in conjunction with accompanying drawing and embodiment.
Fig. 1 is the structural representation of existing conventional art.
Fig. 2 is the one-piece construction synoptic diagram of the utility model.
Fig. 3 is inner partial schematic diagram.
Fig. 4 is the partial schematic diagram of synchrodrive.
Fig. 5 is an intelligent integral-counting instrument whole interior partial view.
Fig. 6 is a partial enlarged view.
Fig. 7 is 4: 1 enlarged drawings of A part among the figure.
The primary clustering symbol description:
The 100-underlying table; 200-machinery display part; 300-electronics display part;
The 1-intelligent integral-counting instrument; The 2-rotary components; The 3-end cap; 4-base table ingredient; The combination of 5-waist wheel; The synchromesh gear of 6/7-pair of meshing; 8-deceleration assembly; The 9-baffle plate; The 10-mechanical counter; 11-liquid crystal display display screen; The 12-tongue tube; The magnet steel that 13-rotates synchronously; 14-picks up the pulse signal sensor of pulse; The 15-magnet ring; The 16-magnetic core.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 2-7; The intelligent gas roots flowmeter that the utility model provides mainly comprises a housing and is arranged on two waists wheel 5, mechanical counter 10, intelligent integral-counting instrument 1, magnetic coupling gearing, a pair of transmitting gear 6,7, driving gear set 8, magnet steel 13, the pulse signal sensor 14 in the housing.
Referring to Fig. 4, two waists wheel 5 is vertically mounted in the housing, and keeps continuous unremitting run-in synchronism through the transmitting gear 6,7 of a pair of mutual seamless engagement.
Referring to Fig. 3, the mechanical motion that magnetic coupling gearing matches with transmitting gear waist wheel 5 drives output to driving gear set 8 through the magnetic coupling.
Referring to Fig. 6 and Fig. 7, magnet steel 13 is fixed in the first order transmission, and its number is decided according to actual conditions, is generally four, and magnet steel 13 is rotated by driving gear set 8 drives synchronously, and pulse signal sensor 14 is arranged near the magnet steel simultaneously.Thereby in the motion process that magnet steel 13 rotates synchronously, cutting magnetic line, and the fluctuating signal that is produced reached intelligent integral-counting instrument 1.
At this moment, intelligent integral-counting instrument 1 carries out real time temperature, pressure compensation calculates, and the gained actual flow is shown through LCDs 11 (as shown in Figure 5).
Above-mentioned the utility model that obtains combines mechanicalness counter 10 and intelligent flow integrator 1 integral body; In the spatial accommodation of minimum; Both accomplished the transmission of mechanical count; Again original large-scale integrating instrument has been carried out technological improvement. dwindle original volume size greatly, can the two effectively be contained in desirable space enclosure interior.
Referring to Fig. 3; Magnetic coupling gearing comprises drive sleeve (not demonstrating among the figure), magnet ring 15 and magnetic core 16 in the utility model; Wherein drive sleeve matches with transmitting gear 6,7, and magnet ring 15 is set on the drive sleeve, and magnetic core 16 matches with magnet ring 15 and carries out the transmission of non-contact type magnetic.The inner magnetic coupling transmission of base table 4 (referring to Fig. 2) has effectively avoided the driven motion effective isolation of driving part and gear to open thus, reduces direct friction, makes transmission more sensitive, thereby has prolonged the serviceable life of product greatly.
In the utility model, in intelligent integral-counting instrument, also be provided with the tongue tube burglary-resisting system, this tongue tube burglary-resisting system is mainly an electromagnetic type tongue tube 12, and itself and intelligent integral-counting instrument 1 join, and match with mechanical counter 10.The tongue tube burglary-resisting system is placed in the mechanical counter below, and tongue tube 12 and 1 pair of intelligent integral-counting instrument are connected, and tongue tube touches, and drives integrating instrument work, and the electromagnetic type tongue tube very effectively and has cleverly been avoided the conventional phenomenon of usurping combustion gas.
Moreover; Driving gear set 8 in the utility model is made up of the all-plastic gear; It has cast out original metallic gear reduction transmission, replacement be the all-plastic gear, adopt special-purpose gear type plastics; One has directly reduced production cost, and two have reduced the noise problem in the flowmeter use.
The utility model with the bolster compression moulding of mechanical driving part on whole gauge outfit chassis; And on this; For the little axle that prevents Support Gear receives the torsional interaction stress deformation, above with corrosion resistant plate positioning module (or retainer) 9 location, to guarantee gear-driven stability.
Referring to Fig. 2, the utility model is provided with rotary components 2 at intelligent integral-counting instrument 1 and 3 of flowmeter end caps.This rotary components 2 is the dish that is rotatably connected; Through this dish that is rotatably connected be convenient to the client use a left side advance the right side go out with enterprising under go out in, can rotate the instrument display direction flexibly, be convenient to the reading flow numerical quantity; Rotation that can circumferencial direction ± 150 ° angle, and use very convenient.
Intelligent gas Roots type flowmeter based on such scheme obtains is exported the magnetosensitive signal through mechanical magnetic coupling transducing part, and by output shaft high rotational speed being slowed down through gear reducer (gear set) shows through the integrated flux of character wheel with reality; In this simultaneously, by the magnet steel of synchronous rotation, pulse signal is participated in computing in the lump through Wei root sensor input intelligent integral-counting instrument.Thereby obtain gas buildup flow value more accurately.
Based on such scheme, the practical implementation of the utility model is following:
Inside cavity two vertically arranged waist wheel 5 combinations are through the gear 6,7 of pair of meshing; Keep run-in synchronism and do not interfere; Synchronous rotation is studded with the drive sleeve of magnet ring 15 through gear drive to middle part, and the non-contact type magnetic transmission of magnet ring 16 and magnetic core is converted into the rotation of waist wheel combination the circular motion of integrating instrument inner teeth wheels 8.
The utility model unites two into one mechano-electronic, and the downside that shows at machinery has the tongue tube of installation, opens/close work through leaning on the metal patch on the character wheel, thus the work of conducting correction instrument, and under the idle situation of machinery, electronic section quits work automatically; On the contrary, in electronics correction instrument fault, but do not influence mechanical counter operate as normal, the flow value under the mark condition that can convert through the internal data of integrating instrument.
More than show and described the advantage of ultimate principle, principal character and the utility model of the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the instructions that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (8)
1. intelligent gas roots flowmeter; Mainly comprise a housing; It is characterized in that, be provided with two waist wheels, mechanical counter, intelligent flow-integrating instrument, magnetic coupling gearing, the transmitting gear of a pair of mutual seamless engagement, driving gear set, magnet steel, pulse signal sensor in the said housing; Said a pair of transmitting gear is meshing with each other and keeps two waists to take turns continuous unremitting run-in synchronism; The mechanical motion that said magnetic coupling gearing matches with described a pair of transmitting gear waist wheel drives output to driving gear set and magnet steel through magnetic, and said driving gear set is converted into the flow value that shows shown in the mechanical counter through corresponding ratio of gear; Said driving gear set drives said magnet steel synchronously and produces circular motion, and said pulse signal sensor obtains the signal that the magnet steel motion is produced, and reaches intelligent integral-counting instrument; Said intelligent integral-counting instrument carries out real time temperature, pressure compensation calculates, and the gained actual flow is shown through display screen.
2. intelligent gas roots flowmeter according to claim 1 is characterized in that, said intelligent integrating instrument also comprises the tongue tube burglary-resisting system; Said tongue tube burglary-resisting system and intelligent integral-counting instrument join, and match with said mechanical counter.
3. intelligent gas roots flowmeter according to claim 1; It is characterized in that; Said magnetic coupling gearing comprises drive sleeve, magnet ring and magnetic core; Said drive sleeve matches with said transmission gear, and said magnet ring is set on the drive sleeve, and said magnetic core matches with magnet ring and carries out the transmission of non-contact type magnetic.
4. intelligent gas roots flowmeter according to claim 1 is characterized in that said driving gear set is made up of plastic gear.
5. intelligent gas roots flowmeter according to claim 1 is characterized in that, is embedded with a retainer on the said driving gear set.
6. intelligent gas roots flowmeter according to claim 1 is characterized in that, said pulse signal sensor is Wei root sensor or magneto-dependent sensor.
7. intelligent gas roots flowmeter according to claim 1; It is characterized in that; Said intelligent integral-counting instrument connects through rotary components and is placed on the flowmeter shell, can orientation angle rotation gauge outfit, reach that flowmeter is enterprising to be gone out to install down or the visual transition that the right side goes out to install is advanced on a left side.
8. intelligent gas roots flowmeter according to claim 7 is characterized in that, head-shield on the said intelligent integral-counting instrument and rotary components are the transparent plastic body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200214187U CN202471153U (en) | 2012-01-17 | 2012-01-17 | Intelligent gas roots flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200214187U CN202471153U (en) | 2012-01-17 | 2012-01-17 | Intelligent gas roots flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202471153U true CN202471153U (en) | 2012-10-03 |
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ID=46919307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200214187U Expired - Lifetime CN202471153U (en) | 2012-01-17 | 2012-01-17 | Intelligent gas roots flow meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202471153U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156898A (en) * | 2015-07-09 | 2015-12-16 | 罗美特（上海）自动化仪表股份有限公司 | Intelligent flow measurement centralized control device |
| TWI563223B (en) * | 2015-12-22 | 2016-12-21 | ||
| CN106248156A (en) * | 2016-10-16 | 2016-12-21 | 浙江苍南仪表集团有限公司 | The wide range gas flow measurement circuit of low-power consumption self diagnosis |
| CN107607167A (en) * | 2017-07-05 | 2018-01-19 | 上海埃科燃气测控设备有限公司 | The built-in multi-faceted gas roots flowmeter of temperature and pressure compensation |
| CN109341737A (en) * | 2018-11-21 | 2019-02-15 | 金卡智能集团股份有限公司 | Intelligent metering instrument brush sample count structure |
-
2012
- 2012-01-17 CN CN2012200214187U patent/CN202471153U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156898A (en) * | 2015-07-09 | 2015-12-16 | 罗美特（上海）自动化仪表股份有限公司 | Intelligent flow measurement centralized control device |
| TWI563223B (en) * | 2015-12-22 | 2016-12-21 | ||
| CN106248156A (en) * | 2016-10-16 | 2016-12-21 | 浙江苍南仪表集团有限公司 | The wide range gas flow measurement circuit of low-power consumption self diagnosis |
| CN106248156B (en) * | 2016-10-16 | 2019-12-06 | 浙江苍南仪表集团股份有限公司 | wide-range gas flow measuring circuit with low power consumption and self-diagnosis |
| CN107607167A (en) * | 2017-07-05 | 2018-01-19 | 上海埃科燃气测控设备有限公司 | The built-in multi-faceted gas roots flowmeter of temperature and pressure compensation |
| CN109341737A (en) * | 2018-11-21 | 2019-02-15 | 金卡智能集团股份有限公司 | Intelligent metering instrument brush sample count structure |
| CN109341737B (en) * | 2018-11-21 | 2024-04-12 | 金卡智能集团股份有限公司 | Brush sampling counting structure of intelligent metering instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |
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| CX01 | Expiry of patent term |