CN203857998U - Novel connecting structure of electromagnetic encoder and flow meter - Google Patents
Novel connecting structure of electromagnetic encoder and flow meter Download PDFInfo
- Publication number
- CN203857998U CN203857998U CN201420287732.9U CN201420287732U CN203857998U CN 203857998 U CN203857998 U CN 203857998U CN 201420287732 U CN201420287732 U CN 201420287732U CN 203857998 U CN203857998 U CN 203857998U
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- Prior art keywords
- encoder
- flowmeter
- circuit board
- transmission shaft
- electromagnetic
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- Expired - Lifetime
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- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 claims description 8
- 238000005538 encapsulation Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 6
- 238000005470 impregnation Methods 0.000 abstract 1
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 15
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000002463 transducing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model discloses a novel connecting structure of an electromagnetic encoder and a flow meter. The novel connecting structure comprises an encoder shell (2), a circuit board (3), a sensor chip (4), a sensor magnet (5), an oil cylinder cover (6), a sealing ring (7), a transmission shaft (8) and a flow meter shell (9). The circuit board (3) is fixed to the bottom of an upper cylindrical cavity (11), and the sensor chip (4) is arranged on the circuit board (3). The top end of the transmission shaft (8) is fixedly provided with the sensor magnet (5), and the oil cylinder cover (6), the sealing ring (7) and the flow meter shell (9) completely seal the transmission shaft (8) and the sensor magnet (5). According to the novel connecting structure of the electromagnetic encoder and the flow meter, the sensor magnet is installed at the top end of the transmission shaft and sealed in the non-movement protruding oil cylinder cover, the possibility of oil leakage and oil impregnation between the flow meter and the encoder is reduced, maintaining and repairing are convenient, meanwhile, the encoder structure is not provided with movement parts, and therefore the encoder structure is simpler and more stable.
Description
Technical field
The utility model belongs to refuel and refuels pulse signal process field in machinery, particularly relates to the improvement of the syndeton of electromagnetic encoder and flowmeter.
Background technology
Existing electromagnetic type scrambler is the one-piece construction that housing and main shaft are assembled into one, and adopts connecting shaft cover to be connected (as Fig. 1) with flowmeter.Scrambler main shaft top embeds sensor magnet is installed, and flowmeter driving shaft rotarily drives scrambler main shaft and rotates, and sensor magnet rotation is sampled and produces signal by the sensor chip of installing on scrambler housing interior circuit board, is used for gathering oil mass.The driving shaft of flowmeter prevents leakage of oil by sealing bearing, but because driving shaft is rotary part, serious wear between driving shaft and sealing bearing, oil in flowmeter will be from the gap leakage between between centers or bearing out, produces extremely dangerous hidden peril of explosion refueling under such bad border, station; In addition because housing and the main shaft of existing electromagnetic type scrambler fit together, all more complicated of structure and assembling procedure, both also produce relative motion unavoidably, cause the unsettled problem of motion.
For this reason, reduce or avoid the possibility of flowmeter leakage of oil, and make more simple and stable, the easy to use and maintenance of syndeton, just become urgent problem.
Summary of the invention
Goal of the invention: overcome the deficiencies in the prior art, design the new Joining Structure of a kind of electromagnetic encoder and flowmeter, reduce or avoid flowmeter leakage of oil, simplified structure, easy to use and maintenance.
Technical scheme: the new Joining Structure of a kind of electromagnetic encoder and flowmeter, comprise encoder housing 1, circuit board 3, sensor chip 4, sensor magnet 5, oil cylinder cover 6, O-ring seal 7, transmission shaft 8, flowmeter shell 9, it is characterized in that, circuit board 3 is fixed on the bottom of encoder housing 1; Circuit board 3 center sensor installation chips 4, chip 4 surface locations are down; Encoder housing 1 and oil cylinder cover 6 clearance fit; Transmission shaft 8 top sensor installation magnets 5, make sensor magnet 5 and transmission shaft 8 synchronous rotaries, correctly export rotating signal to the sensor chip 4 in encoder housing, by its collection and be converted into flow signal; Oil cylinder cover 6, O-ring seal 7 and flowmeter shell 9 seal up transmission shaft 8 and sensor magnet 5 completely, make can not cause leakage of oil because of the long time running wearing and tearing of transmission shaft 8.
In order to make transducing signal transmission reach optimum efficiency, the distance of described sensor magnet 5 upper surfaces and sensor chip 4 is controlled between 3.4mm~3.8mm.
Preferably, described encoder housing 1 inside is with upper cylindrical cavity 11, lower cylindrical cavity 12; The internal diameter of lower cylindrical cavity 12 is consistent with the external diameter of the cylindrical protrusions 61 on oil cylinder cover 6, both clearance fit.
Further, the new Joining Structure of described electromagnetic encoder and flowmeter, also comprise support 2, described support 2 is fixed on 11 li of the upper cylindrical cavities of encoder housing 1, the endless belt 22 on described support 2 tops, at upwards symmetrically arranged three vertical buckles 23 of week, is fixed on whole support 2 and circuit board 3 on the inwall of encoder housing 1 housing.
Preferred, the bottom of two vertical columns 21 in left and right on described support 2 is chi structure, can snap in the mounting hole on circuit board 3, by fixing circuit board 3.
Described encoder housing 1 outside can also be with ring flange 13 for connection.
Described upper cylindrical cavity 11 inside require to carry out encapsulation according to electric property, play explosion-proof, waterproof, the effect that grease proofing and sensor chip is antitheft.
Described groove 81 can be cylindrical cavity, is arranged on the center, top of described transmission shaft 8, and described sensor magnet 5 is right cylinder, closely cooperates with groove 81.
After described scrambler coordinates installation with flowmeter, described transmission shaft 8 rotarily drives top sensor magnet 5 and rotates, the rotating signal of magnet 5 is gathered and converts by the sensor chip in scrambler housing, realize electromagnetic sensor function, complete processing, the control work of flowmeter flow signal.
Advantage of the present utility model and beneficial effect: the utility model is because encoder housing itself is shaftless, sensor magnet is arranged on the top of flowmeter transmission shaft and is sealed in the oil cylinder cover of a nonmotile projection, original in the leakage of oil bringing after axle or bearing wear, oil impregnate problem between minimizing flowmeter and scrambler, be convenient to maintenance; Movement-less part on coder structure simultaneously, structure is simpler and stable; In addition circuit board fixed form be designed to support directly press fixing, more simple and convenient compared with modes such as being spirally connected in the past.
Brief description of the drawings
Fig. 1 is existing electromagnetic type scrambler and flowmeter connecting structure schematic diagram;
Fig. 2 is the utility model electromagnetic type scrambler and flowmeter new Joining Structure embodiment schematic diagram;
Fig. 3 is encoder housing part schematic perspective view in the utility model;
Fig. 4 is the utility model medium-height trestle schematic perspective view.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with the drawings and specific embodiments.
If Fig. 1 is existing electromagnetic type scrambler and flowmeter connecting structure schematic diagram, scrambler main shaft top embeds sensor magnet is installed, flowmeter driving shaft rotarily drives scrambler main shaft and rotates, sensor magnet rotation is sampled and produces signal by the sensor chip of installing on scrambler housing interior circuit board, is used for gathering oil mass.The driving shaft of flowmeter prevents leakage of oil by sealing bearing, but because driving shaft is rotary part, serious wear between driving shaft and sealing bearing, oil in flowmeter will be from the gap leakage between between centers or bearing out, produces extremely dangerous hidden peril of explosion refueling under such bad border, station; In addition because housing and the main shaft of existing electromagnetic type scrambler fit together, all more complicated of structure and assembling procedure, both also produce relative motion unavoidably, cause the unsettled problem of motion.
Fig. 2 is the schematic diagram of the utility model electromagnetic type scrambler and flowmeter new Joining Structure embodiment, the new Joining Structure of a kind of electromagnetic encoder and flowmeter, comprise encoder housing 1, support 2, circuit board 3, sensor chip 4, sensor magnet 5, oil cylinder cover 6, O-ring seal 7, transmission shaft 8, flowmeter shell 9, it is characterized in that, encoder housing 1 inside is with upper cylindrical cavity 11, lower cylindrical cavity 12; Support 2 is fixed on 11 li of the upper cylindrical cavities of encoder housing 1, and circuit board 3 is fixed on to the bottom of upper cylindrical cavity 11; Circuit board 3 center sensor installation chips 4, chip 4 surface locations are down; Upper cylindrical cavity 11 is inner uses epoxy resin encapsulation, plays explosion-proof, waterproof, the effect that grease proofing and sensor chip is antitheft; The internal diameter of lower cylindrical cavity 12 is consistent with the external diameter of the cylindrical protrusions 61 on oil cylinder cover 6, both clearance fit; Transmission shaft 8 tops are provided with groove 81, and the inside fixed installation sensor magnet 5, makes sensor magnet 5 and transmission shaft 8 synchronous rotaries, correctly exports rotating signal to the sensor chip 4 in encoder housing, by its collection and be converted into flow signal; Oil cylinder cover 6, O-ring seal 7 and flowmeter shell 9 seal up transmission shaft 8 and sensor magnet 5 completely, and oil cylinder cover 6, O-ring seal 7 and flowmeter shell 9 maintain static, and make can not cause leakage of oil because of the long time running wearing and tearing of transmission shaft 8.
In order to make transducing signal transmission reach optimum efficiency, the distance of described sensor magnet 5 upper surfaces and sensor chip 4 is controlled between 3.4mm~3.8mm.
Described groove 81 is cylindrical cavity, is arranged on the center, top of described transmission shaft 8, and described sensor magnet 5 is right cylinder, closely cooperates with groove 81.
As shown in Figure 3, described encoder housing 1 outside is with ring flange 13 for connection.
As shown in Figure 4, the endless belt 22 on described support 2 tops, at upwards symmetrically arranged three vertical buckles 23 of week, is fixed on whole support 2 and circuit board 3 on the inwall of encoder housing 1 housing; The bottom of two vertical columns 21 in left and right on described support 2 is chi structure, can snap in the mounting hole on circuit board 3, by fixing circuit board 3.
After described scrambler coordinates installation with flowmeter, described transmission shaft 8 rotarily drives top sensor magnet 5 and rotates, the rotating signal of magnet 5 is gathered and converts by the sensor chip in scrambler housing, realize electromagnetic sensor function, complete processing, the control work of flowmeter flow signal.
The foregoing is only preferred embodiments of the present utility model, not in order to limit the utility model, any amendment of doing, be equal to replacement, improvement etc., within all should being included in system architecture of the present utility model within spirit of the present utility model and principle.
Claims (8)
1. the new Joining Structure of an electromagnetic encoder and flowmeter, comprise encoder housing (1), circuit board (3), sensor chip (4), sensor magnet (5), oil cylinder cover (6), O-ring seal (7), transmission shaft (8), flowmeter shell (9), it is characterized in that, circuit board (3) is fixed on the bottom of encoder housing (1); Circuit board (3) center sensor installation chip (4), chip (4) surface location is down; Encoder housing (1) and oil cylinder cover (6) clearance fit; Transmission shaft (8) top sensor installation magnet (5), makes sensor magnet (5) and transmission shaft (8) synchronous rotary; Oil cylinder cover (6), O-ring seal (7) and flowmeter shell (9) seal up transmission shaft (8) and sensor magnet (5) completely.
2. the new Joining Structure of electromagnetic encoder and flowmeter as claimed in claim 1, is characterized in that, the distance of described sensor magnet (5) upper surface and sensor chip (4) is controlled between 3.4mm~3.8mm.
3. the new Joining Structure of electromagnetic encoder and flowmeter as claimed in claim 1, is characterized in that, described encoder housing (1) is inner with upper cylindrical cavity (11), lower cylindrical cavity (12); The internal diameter of lower cylindrical cavity (12) is consistent with the external diameter of the cylindrical protrusions (61) on oil cylinder cover (6), both clearance fit.
4. the new Joining Structure of electromagnetic encoder and flowmeter as claimed in claim 3, it is characterized in that, also comprise support (2), it is inner that described support (2) is fixed on the upper cylindrical cavity (11) of encoder housing (1), the endless belt (22) on described support (2) top, at upwards symmetrically arranged three vertical buckles (23) of week, is fixed on whole support (2) and circuit board (3) on the inwall of encoder housing (1) housing.
5. the new Joining Structure of electromagnetic encoder and flowmeter as claimed in claim 4, it is characterized in that, the bottom of two vertical columns in left and right (21) on described support (2) is chi structure, can snap in the mounting hole on circuit board (3), circuit board (3) is fixing.
6. the new Joining Structure of electromagnetic encoder and flowmeter as claimed in claim 1, is characterized in that, the outside ring flange (13) with for connection of described encoder housing (1).
7. the new Joining Structure of electromagnetic encoder and flowmeter as claimed in claim 3, is characterized in that, described upper cylindrical cavity (11) is inner requires to carry out encapsulation according to electric property.
8. the new Joining Structure of electromagnetic encoder and flowmeter as claimed in claim 1, it is characterized in that, described groove (81) is cylindrical cavity, be arranged on the center, top of described transmission shaft (8), described sensor magnet (5) is right cylinder, closely cooperates with groove (81).
Priority Applications (1)
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CN201420287732.9U CN203857998U (en) | 2014-05-30 | 2014-05-30 | Novel connecting structure of electromagnetic encoder and flow meter |
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CN201420287732.9U CN203857998U (en) | 2014-05-30 | 2014-05-30 | Novel connecting structure of electromagnetic encoder and flow meter |
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CN203857998U true CN203857998U (en) | 2014-10-01 |
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CN201420287732.9U Expired - Lifetime CN203857998U (en) | 2014-05-30 | 2014-05-30 | Novel connecting structure of electromagnetic encoder and flow meter |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105333928A (en) * | 2015-11-27 | 2016-02-17 | 托肯恒山科技(广州)有限公司 | Fuel metering error adjustment device based on velocity-type flowmeter and anti-cheating method |
-
2014
- 2014-05-30 CN CN201420287732.9U patent/CN203857998U/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105333928A (en) * | 2015-11-27 | 2016-02-17 | 托肯恒山科技(广州)有限公司 | Fuel metering error adjustment device based on velocity-type flowmeter and anti-cheating method |
CN105333928B (en) * | 2015-11-27 | 2018-10-26 | 托肯恒山科技(广州)有限公司 | Fuel metering error adjusting device based on velocity flowmeter and anti-cheating method |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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CX01 | Expiry of patent term |
Granted publication date: 20141001 |