CN201757657U - Non-contact sensing device of fluid meter - Google Patents
Non-contact sensing device of fluid meter Download PDFInfo
- Publication number
- CN201757657U CN201757657U CN2009202176934U CN200920217693U CN201757657U CN 201757657 U CN201757657 U CN 201757657U CN 2009202176934 U CN2009202176934 U CN 2009202176934U CN 200920217693 U CN200920217693 U CN 200920217693U CN 201757657 U CN201757657 U CN 201757657U
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- actuating member
- projector
- fluid meter
- fluid
- sensing apparatus
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Abstract
The utility model provides a non-contact sensing device of a fluid meter, the fluid meter is provided with a body, both ends thereof are respectively the opening ends, a movable member driven by is arranged in the inner hollow part of the fluid meter; the body is provided with an accommodation chamber for arranging a sensing device, which includes an action member and a projector, the action member is driven by the movable member and is subjected to serially displacement movement while being driven by fluid; the projector is installed above the action member and projects signals to the action member, one surface of the action member faced to the projector is separated into at least two areas, and at lease one area can reflect the projected signals, thereby the signal density of the space between the projector and the action member is changed, then the projection power of the projector is influenced, thus the motion status of the action member is sensed and the flowing status of the fluid is correspondingly obtained.
Description
[technical field]
The utility model is about the contactless sensing apparatus of a kind of fluid meter, is meant especially a kind ofly not influenced by external magnetic, but and the contactless sensing apparatus of the fluid meter of sensing fluid flow.
[background technology]
Known, fluid meter is a kind of utensil in order to fluid flow between the metering pipeline.Be provided with a measuring apparatus in the contexture of fluid meter, it includes a tumbler, flowed through by fluid and drives and the flow of rotation to add up to be flowed through.The work that the inter-module of the inner measuring apparatus of early stage fluid meter own drives transmission mutually is main in order to contact (mechanical type) drive, therefore using day long afterwards, can be because of impurities factor affecting in mechanical factor and the fluid, make the drive gearing of inter-module produce error, and then have influence on the sensitivity and the precision of metering.Had afterwards and utilize the contactless fluid meter of Magnetic Induction to produce, it is that the back of set impeller in body is provided with two magnetics in the periphery around the axle center, when fluid promoted wheel rotation, these magnetics were followed synchronous rotation and are produced changes of magnetic field phenomenon (magnetic line of force rotation); Corresponding these magnetics locates to form a seal cavity on the wall body of body elongation moulding, close in it on face of these magnetics a magnetic inductor is installed, changes of magnetic field when rotating to make these magnetics of non-contact inductive every sky, and sensed data is upwards transferred to a display part by a connecting line, calculate flow according to this.
But the above-mentioned known contactless fluid meter of Magnetic Induction that utilizes still exists following disappearance on reality is used:
One, the magnetic of the fluid meter of known Magnetic Induction is subjected to the magnetic or the interference of external powerful magnetic easily, and makes the metering result become inaccurate.
Two, how many known fluid meters all is only applicable to metered flow, and can't be in order to the mobile flow direction of sensing fluid.In fact, under various resource famines and unbalanced situation now, the management unit that has various resources often has the possibility of mutual support or transaction of crucial importance, but be located at fluid meter between pipeline this moment if the senses flow direction of flow, then can support or the situation of transaction in the convenience of certain degree is provided.
[utility model content]
The contactless sensing apparatus of a kind of fluid meter of the utility model, its fundamental purpose provide a kind of contactless sensing apparatus of fluid meter that is not subjected to external effect of magnetic influence; But also provide a kind of contactless sensing apparatus of fluid meter of senses flow direction of flow simultaneously.
The contactless sensing apparatus of a kind of fluid meter of the utility model, fluid meter has a body, two ends respectively are an openend, inside is hollow, and for the movable piece that installing one is moved because of fluid drives, this body has a room, be provided with a sensing apparatus in this room, it is characterized in that: this sensing apparatus comprises an actuating member and a projector, and this actuating member is driven by this movable piece, and interlock is made displacement movement when being subjected to fluid drives; This projector is installed in the actuating member top, and to actuating member projection signal, this actuating member is distinguished at least two zones in the face of on the face of this projector, and have at least a zone to be reflected to the signal that is projected to, make the space between the projector and actuating member that the signal variable density take place, and influence the throwing power of this projector, so the moving situation of this actuating member of sensing, and correspondence is learnt fluid flow.
Wherein, this actuating member displacement movement of done by interlock is a circular motion.
Wherein, this actuating member displacement movement of done by interlock is straight reciprocating motion.
Wherein, this actuating member is handled in the face of the processing that has at least a zone to do the reflection horizon on the face of this projector, and the signal that is projected to is reflected.
Wherein, this actuating member is faced the processing processing that the reflection horizon is done in the zone that has on the face of this projector more than two, and the signal that is projected to is reflected.
Wherein, the reflection horizon on this actuating member zone more than two is to do the identical or different processing of width to handle.
Wherein, the reflection horizon on this actuating member zone more than two is to do the identical or different processing of coating density to handle.
Advantage of the present utility model and effect are: the action that (), this projector are responsible for is to continue the emission signal, and the effect that will reach is that the smooth degree of self launching signal is responded to, the pass of not having any implication except that this and other inter-module fully is, so this projector is not influenced by foreign object or external force fully; As a same reason, this actuating member just only is responsible for carrying out displacement movement, and the pass of also not having any implication with other inter-module is, so this actuating member is not influenced by foreign object or external force equally; (2), the utility model is by the untouchable effect between the projector and actuating member, reaches the action and efficacy that can predict the fluid situation in fluid meter.
[description of drawings]
Shown in Figure 1 is the organigram of the utility model first embodiment
Shown in Figure 2 is the part structure enlarged diagram of the utility model first embodiment
Shown in Figure 3 is the vertical view of actuating member among the utility model first embodiment
It shown in Fig. 4-7 the continuous action synoptic diagram of the utility model first embodiment
Shown in Figure 8 is the organigram of the utility model second embodiment
Shown in Figure 9 is the part structure enlarged diagram of the utility model second embodiment
Shown in Figure 10 is the vertical view of actuating member among the utility model second embodiment
It shown in Figure 11-16 the continuous action synoptic diagram of the utility model second embodiment
Number in the figure is described as follows:
10---fluid meter 11---body
12---openend 13---movable piece
131---axle center 132---bearing
133---tumbler 134---axle center
135---connecting rod 136---axle center
137---locating part 14,14 '---actuating member
15---room 16---space 16---spacing
17---projector 171---connecting line
18---operational part 19---display part
141,142,143,144---zone
141 ', 142 ', 143 ', 144 '---zone
[embodiment]
Below in conjunction with accompanying drawing, the present invention will be further described:
The contactless sensing apparatus of a kind of fluid meter of the utility model, it mainly illustrates the contactless sensing apparatus that is to be installed on the fluid meter, so the contexture of fluid meter obviously promptly is not subjected to arrest limit, all by fluid drives, and can reach the fluid meter of metering effect, be the utility model and include, but for convenience of description, the utility model is enumerated two kinds of fluid meters that are equiped with contactless sensing apparatus as embodiment.
As shown in Figure 1, the utility model first embodiment integral body is to be a fluid meter 10, structure has a body 11 basically, its two end respectively is an openend 12 (all can select to use as water inlet or water outlet), the inside of body 11 is hollow, (for example: impeller) be equiped with a movable piece 13 that can rotate because of fluid drives, the axle center 131 of this movable piece 13 is supported by bearing 132 and is planted and stand on the body 11 inner erectilities up and down of doing, these 131 upper ends, axle center upwards pass to connect behind the body 11 establishes an actuating member 14 that is plate-like, can drive this actuating member 14 when therefore rotate in this axle center 131 and rotate synchronously, and be to make circular motion; Be a room 15 on the top of this body 11, this actuating member 14 promptly is present in this room 15, and top one side of this actuating member 14 is installed with a projector 17 behind the space 16 at interval, and is connected with an operational part 18 by a connecting line 171; The end face of this room 15 is a display part 19, can accept this operational part 18 calculated result that transmits, and doing direct demonstration, or more this calculated result can be shown by the wired or wireless display part that transfers to long distance in addition.In first embodiment, this actuating member 14 and the projector 17 promptly constitute the sensing apparatus of the utility model characteristics jointly.
As shown in Figure 2, this projector 17 is to continue to send signal (can be the signal of ripple and/or energy etc.) in the face of this actuating member 14, and a side of actuating member 14 done directly to throw, therefore the distance in this space 16 must guarantee that the signal of this projector 17 can arrive on the actuating member 14, and this actuating member 14 can be exact in rotate in axle center 131.Then, as shown in Figure 3, this actuating member 14 is that some zones 141 that are dispersion shape are told in the center accepting on the face that (face) this projector 17 directly throws signals with axle center 131,142,143,144 (is example with four zones among Fig. 3, but be not subjected to this to arrest limit), wherein, non-conterminous two zones 142,144 have identical scattering angle (for example to be all b ° mutually, conversion, be that it has identical width), and non-conterminous two zones 141,143 have scattering angle inequality, and (for example one is a °, one is c °, conversion, be that its width is inequality), and in two zones 141 of these width inequality, (among the figure to spill an expression) handled in the processing that can do the reflection horizon on 143, and its effect is reflected usefulness for the signal that this projector 17 is throwed; Comparatively speaking, 142,144 in two zones of same widths can not reflected the signal that is projected to.
What further specify is, the processing in alleged reflection horizon is handled, generally the processing processing mode with coating reflection layer on selected zone is common, but do not get rid of other different processing processing mode is not arranged, and can form a reflection horizon equally so that the signal that is projected to is reflected; Effects such as and formed reflection horizon can be that the identical or different processing of width is handled, and also can be that the identical or different processing of coating density is handled, and all this kind is possible change, and are all claim of the present utility model and include.
First embodiment is using in the operation, when fluid when different openings end 12 flows into, this movable piece 13 and axle center 131 thereof and this actuating member 14 are to have different turning to; For example when fluid be when left side openend shown in Figure 1 12 flows into, this movable piece 13 and axle center 131 thereof are to rotate counterclockwise, and promptly drive this actuating member 14 and also rotate counterclockwise, the signal that makes this projector 17 continue emission can be projected to zone 141,144,143,142 (orders shown in Fig. 4,5,6,7) in regular turn, and detours in regular turn; Identical reason, when fluid when right openings end shown in Figure 1 12 flows into, this movable piece 13 and axle center 131 thereof promptly clockwise rotate, and promptly drive this actuating member 14 and also clockwise rotate, the signal that makes this projector 17 continue emission can be projected to zone 141,142,143,144 (i.e. orders shown in Fig. 4,7,6,5) in regular turn, and detours equally in regular turn.
Rotating counterclockwise with actuating member 14 is that example illustrates this projector 17 and 14 reactions that produced of actuating member.At first, when the signal of being launched when this projector 17 is projected to this zone 141 (as shown in Figure 4), there is the processing of doing the reflection horizon to handle on the face because of this zone 141, mix with the signal that continues to be incident upon so signal can be reflected and to be full of in the scope that this space 16 is separated, cause mix in this scope crowded, therefore this projector 17 can be sensed the emission signal and has some setbacks and increase throwing power, and the time span (corresponding with the width in zone) that has some setbacks of counting; Then, the signal that the projector 17 is launched then be projected to regional 144 o'clock (as shown in Figure 5), not doing the processing in reflection horizon on the face because of this zone 144 handles, so signal can pass through smoothly, therefore being normal (not mixing crowded) in the scope that this space 16 is separated, is smooth and easy so the projector 17 can be sensed the action of emission signal; Continue then to move on to be incident upon (as shown in Figure 6) at regional 143 o'clock, because of being arranged on the face in this zone 143 equally, the processing of doing the reflection horizon handles, mix with the signal that continues to be incident upon so signal is reflected again and to be full of in the scope that this space 16 is separated, it is crowded to cause this space to mix, therefore this projector 17 is promptly sensed the action of emission signal again and is had some setbacks and must increase throwing power, and the time span that counting has some setbacks long (refer to zone 141 relatively); Then, the signal that the projector 17 is launched is to move on to be incident upon (as shown in Figure 7) at regional 142 o'clock, not doing the processing in reflection horizon on the face because of this zone 144 handles, so signal can pass through smoothly, therefore recover normal (not mixing crowded) in the scope that this space 16 is separated, it is very smooth and easy to make the projector 17 sense the action of emission signal.Continuation is then moved on in regular turn again and is incident upon zone 141,144,143,142, so detours, and repeats to present aforesaid inductive action.
Therefore, this projector 17 is as long as the variable power of signal is launched in induction itself, and the sequencings of following difference to change, and can determine the rotation direction of this actuating member 14, and then correspondence goes out flow direction; Simultaneously, the revolution and the rotating speed of this actuating member 14 be can respond to, fluid flow and flow velocity recorded with correspondence because of the projector 17.As shown in Figure 8, the most structures of the utility model second embodiment are identical with first embodiment, so identical assembly numbering is promptly adopted at the identical construction position.Second embodiment is a fluid meter 10, the textural body 11 that comprises, its two end respectively is an openend 12, the inside of body 11 is hollow, (for example: impeller) be equiped with a movable piece 13, can be because of fluid drives rotate, the axle center 131 of this movable piece 13 is supported by bearing 132 and is planted and stand on the body 11 inner erectilities up and down of doing; Be a room 15 on the top of this body 11, these 131 upper ends, axle center pass body 11 backs and connect the tumbler 133 of establishing an off-centre in this rooms 15, rotate synchronously so this axle center 131 can drive this tumbler 133 when rotating, and are to make circular motion; Then, shown in Fig. 9 and 11, this tumbler 133 is connect by an axle center 134 in the end away from this axle center 131 and establishes a connecting rod 135,135 on this connecting rod in away from the end in this axle center 134 by an axle center 136 connect establish an actuating member 14 ', this actuating member 14 ' between between one group of locating part 137; This actuating member 14 ' top one side set firmly a projector 17 behind the space 16 at interval, this projector 17 is to face this actuating member 14 ' continue to send signal (can be the signal of ripple and/or energy etc.), and is connected with an operational part 18 by a connecting line 171; The end face of this room 15 is a display part 19, can accept this operational part 18 calculated result that transmits, and doing direct demonstration, or more this calculated result can be shown by the wired or wireless display part that transfers to long distance in addition.In a second embodiment, this actuating member 14 ' and the projector 17 promptly constitute the sensing apparatus of the utility model characteristics jointly.As shown in figure 10, this actuating member 14 ' on the face of accepting this projector 17 projection signals, distinguish several regions 141 ', 142 ', 143 ', 144 ' (be example with four zones in as Figure 10, but be not subjected to this to arrest limit), wherein, have two zones 141 ', 143 ' on have the processing of doing the reflection horizon to handle (definition in reflection horizon is defined identical with first embodiment), and two zones 141 ', 143 ' on the density of institute's coating reflection layer be to be difference (also can be identical); In addition two zones 142 ', 144 ' on then do not do the reflection horizon processing handle.
Second embodiment is using in the operation, when fluid when different openings end 12 flows into, this movable piece 13 and axle center 131 thereof be identical with first embodiment to have different turning to, and promptly drive this tumbler 133 and make the identical circular motion that turns to, and then by the interlock of this connecting rod 135, and by this group locating part 137 (just as track) restriction, cause this actuating member 14 ' make straight reciprocating motion, thus the signal launched of this projector 17 can be in regular turn zone 141 ', 142 ', 143 ', 144 ', 143 ', 142 ', 141 ' on back and forth projection.Shown in Figure 11-16, when the axle center 134 of this tumbler 133 turns to the leftmost position point of circular motion (as shown in figure 11), this actuating member 14 ' meeting position is in the leftmost position of straight reciprocating motion; Then when the axle center 134 of this tumbler 133 upwards (with direction in scheming, below all with) rotate 90 ° during to the peak position (as shown in figure 12), this actuating member 14 moves to the right via these connecting rod 135 pullings; This axle center 134 turns right 45 ° when spending (as shown in figure 13) then, this actuating member 14 ' can be in more location right; When then this axle center 134 is swung down to farthest right position (as shown in figure 14), this actuating member 14 ' promoted a bit of toward the left side; When this axle center 134 is swung down to lowest point then (as shown in figure 15), this actuating member 14 ' more promoted toward the left side; Then this axle center 134 turns left 45 ° when spending (as shown in figure 16) this actuating member 14 ' can be in more left position; Then promptly return to state shown in Figure 11.Therefore in the induced effect of this tumbler 133 and this connecting rod 135, and under the restriction of this group locating part 137, this actuating member 14 ' can make straight reciprocating motion, so through the accurate dimensions design, make this actuating member 14 ' the proper signal projected area by this projector 17 of reciprocating stroke, make this projector 17 in two zones 141 ', 143 ' by time induction the necessity that increases throwing power is arranged, therefore the and throwing power difference that is increased can determine flow direction.
By above explanation as can be known, the utility model mainly designs installing one sensing apparatus in fluid meter, form jointly by the actuating member and the projector, and actuating member is faced distinguish at least two zones on the face of the projector, and have at least a zone to be reflected to the signal that is projected to, therefore by the projector actuating member that carries out displacement movement (can be circular motion or straight reciprocating motion) is done to continue the action of emission signal, make between this projector and actuating member the space actuating member by the time signal variable density (mixing crowded in the spatial dimension) takes place, make this projector change throwing power, and can respond to the flow condition that records fluid.
Claims (7)
1. contactless sensing apparatus of fluid meter, fluid meter has a body, two ends respectively are an openend, inside is hollow, and for the movable piece that installing one is moved because of fluid drives, this body has a room, be provided with a sensing apparatus in this room, it is characterized in that: this sensing apparatus comprises an actuating member and a projector, and this actuating member is driven by this movable piece, and interlock is made displacement movement when being subjected to fluid drives; This projector is installed in the actuating member top, and to actuating member projection signal, this actuating member is distinguished at least two zones in the face of on the face of this projector, and have at least a zone to be reflected to the signal that is projected to, make the space between the projector and actuating member that the signal variable density take place, and influence the zone of this projector throwing power.
2. the contactless sensing apparatus of fluid meter according to claim 1, it is characterized in that: the displacement movement that this actuating member is done by interlock is a circular motion.
3. the contactless sensing apparatus of fluid meter according to claim 1, it is characterized in that: the displacement movement that this actuating member is done by interlock is straight reciprocating motion.
4. the contactless sensing apparatus of fluid meter according to claim 1 is characterized in that: this actuating member is handled in the face of the processing that has at least a zone to do the reflection horizon on the face of this projector, and the signal that is projected to is reflected.
5. the contactless sensing apparatus of fluid meter according to claim 1 is characterized in that: this actuating member is handled in the face of the processing that has plural zone to do the reflection horizon on the face of this projector, and the signal that is projected to is reflected.
6. the contactless sensing apparatus of fluid meter according to claim 5 is characterized in that: the reflection horizon on the plural zone of this actuating member is to do the identical or different processing of width to handle.
7. the contactless sensing apparatus of fluid meter according to claim 1 is characterized in that: the reflection horizon on the plural zone of this actuating member is to do the identical or different processing of coating density to handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202176934U CN201757657U (en) | 2009-09-30 | 2009-09-30 | Non-contact sensing device of fluid meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202176934U CN201757657U (en) | 2009-09-30 | 2009-09-30 | Non-contact sensing device of fluid meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201757657U true CN201757657U (en) | 2011-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202176934U Expired - Fee Related CN201757657U (en) | 2009-09-30 | 2009-09-30 | Non-contact sensing device of fluid meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201757657U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995271A (en) * | 2009-08-28 | 2011-03-30 | 弓铨企业股份有限公司 | Non-contact sensing mode of flowmeter |
| CN113700957A (en) * | 2021-08-03 | 2021-11-26 | 全卫锋 | Drainage pipe connecting device for municipal works |
-
2009
- 2009-09-30 CN CN2009202176934U patent/CN201757657U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995271A (en) * | 2009-08-28 | 2011-03-30 | 弓铨企业股份有限公司 | Non-contact sensing mode of flowmeter |
| CN113700957A (en) * | 2021-08-03 | 2021-11-26 | 全卫锋 | Drainage pipe connecting device for municipal works |
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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: 20110309 Termination date: 20140930 |
|
| EXPY | Termination of patent right or utility model |