CN215726178U - Dry-type metering sensor and dry-type water meter - Google Patents

Dry-type metering sensor and dry-type water meter Download PDF

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Publication number
CN215726178U
CN215726178U CN202122196743.9U CN202122196743U CN215726178U CN 215726178 U CN215726178 U CN 215726178U CN 202122196743 U CN202122196743 U CN 202122196743U CN 215726178 U CN215726178 U CN 215726178U
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China
Prior art keywords
dry
sensor
hall element
water meter
magnetic steel
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CN202122196743.9U
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Chinese (zh)
Inventor
刘国庆
刘华亮
彭承纬
廖杰
罗立强
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Hunan Changde Water Meter Manufacture Co Ltd
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Hunan Changde Water Meter Manufacture Co Ltd
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Priority to CN202122196743.9U priority Critical patent/CN215726178U/en
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Abstract

The utility model provides a dry-type metering sensor and a dry-type water meter, wherein the dry-type metering sensor comprises a counting mechanism and a sensor box which are arranged on a cover body, a mainboard is arranged in the sensor box, a Hall element is arranged on the mainboard, the Hall element is electrically connected with the counting mechanism, magnetic steel corresponding to the Hall element is arranged in the cover body, at least three magnetic steels are arranged on a magnetic steel tray, the magnetic steel tray is in transmission connection with an impeller through a coaxially arranged gear, and the Hall element judges the rotation direction of the magnetic steel through the sequence of turn-off signals so as to judge the water running direction of the water meter; the dry-type metering sensor provided by the utility model has a simple structure, can accurately meter forward and reverse readings, and solves the problems of reverse rotation of the water meter and water stealing caused by malicious reverse installation of the water meter by a user.

Description

Dry-type metering sensor and dry-type water meter
Technical Field
The utility model belongs to the technical field of intelligent water meters, and particularly relates to a dry metering sensor and a dry water meter.
Background
The existing water meter pulse signal device can only measure the flow passing through the water meter under the condition of the conventional water flow direction, but cannot find the water stealing phenomenon when the water meter is reversely rotated and inversely rotated, and the existing wet-type water meter pulse signal device cannot judge whether the magnetic pointer is forwardly rotated or reversely rotated, so the water stealing phenomenon when the water meter is reversely rotated and inversely rotated cannot be timely found, and the working reliability is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a dry-type metering sensor which has a simple structure, can accurately meter forward and reverse readings, and solves the problems of reverse rotation of a water meter and water stealing caused by malicious reverse installation of the water meter by a user.
In order to achieve the purpose, according to the technical scheme of the utility model, the dry metering sensor comprises a counting mechanism and a sensor box which are arranged on a cover body, wherein a mainboard is arranged in the sensor box, a Hall element is arranged on the mainboard, the Hall element is electrically connected with the counting mechanism, magnetic steels corresponding to the Hall element are arranged in the cover body, at least three magnetic steels are arranged on a magnetic steel tray, the magnetic steel tray is in transmission connection with an impeller through a gear which is coaxially arranged, and the Hall element judges the rotation direction of the magnetic steels through the sequence of turn-off signals so as to judge the water flowing direction of the water meter.
More specifically, the number of the magnetic steels is three.
More specifically, the magnet steel tray is three, and is three the magnet steel is located respectively on the magnet steel tray of three coaxial setting, hall element is three.
More specifically, the three hall elements are arranged in a collinear manner, and the connecting line of any two magnetic steels is not parallel to the connecting lines of the three hall elements.
More specifically, be equipped with the spout on the cover body, be equipped with the slider on the sensor box, the slider can be dismantled with the spout and be connected.
More specifically, the cover body is made of transparent materials.
More specifically, the counting mechanism may display a water volume reading in either a forward or reverse direction.
More specifically, the magnetic steel tray is circular or fan-shaped.
The utility model also provides a dry-type water gauge, foretell dry-type metering sensor.
The utility model has the advantages of simple structure, accurate measurement of forward and reverse readings, convenient and random installation of the water meter, capability of solving the water stealing phenomenon caused by reverse rotation of the water meter and malicious reverse installation of the water meter by a user, capability of avoiding the problem of inconsistency of mechanical readings and electronic readings of the water meter, and capability of removing a mechanical check valve arranged on the water meter and achieving the purpose of saving cost.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the housing shown in FIG. 1;
FIG. 3 is a schematic structural diagram of the magnetic steel shown in FIG. 1;
fig. 4 is a schematic structural diagram of the main board shown in fig. 1.
In the figure, 1, a counting mechanism; 2. a gear; 3. magnetic steel; 31. magnetic steel A; 32. magnetic steel B; 33. magnetic steel C; 4. a Hall element; 41. a hall element a 1; 42. a hall element B1; 43. a hall element C1; 5. a main board; 6. a sensor cartridge; 61. a slider; 7. a magnetic steel tray; 8. a cover body; 81. a chute.
Detailed Description
The technical scheme of the utility model is further described in detail by combining the drawings and the specific embodiments:
referring to fig. 1-4 together, the dry-type metering sensor provided in this embodiment includes a counting mechanism 1 and a sensor box 6 which are disposed on a cover body 8, a main board 5 is disposed in the sensor box 6, a hall element 4 is disposed on the main board 5, the hall element 4 is electrically connected to the counting mechanism 1, a magnetic steel 3 corresponding to the hall element 4 is disposed in the cover body 8, at least three magnetic steels 3 are disposed on a magnetic steel tray 7, the magnetic steel tray 7 is in transmission connection with an impeller through a gear 2 which is coaxially disposed, and the hall element 4 determines a rotation direction of the magnetic steel 3 through a sequence of a turn-off signal, thereby determining a water flowing direction of the water meter.
When the gear 2 carrying the magnetic steel 3 rotates in the positive direction, the induction sequence with the Hall element 4 is A1-B1-C1; when the gear 2 carrying the magnetic steel 3 rotates reversely, the sensing sequence with the Hall element 4 is C1-B1-A1, the main board 5 can automatically judge and record the water amount of forward rotation and reverse rotation, and can be checked through a display screen on the counting mechanism 1, if only two magnetic steels and Hall elements cannot distinguish forward rotation and reverse rotation, if only two magnetic steels and Hall elements are, A1-B1-A1-B1.. the forward rotation and the reverse rotation cannot be distinguished; the dry-type metering sensor provided by the utility model has a simple structure, can accurately meter forward and reverse readings, increases the convenience and the randomness of water meter installation, can solve the phenomenon of water stealing caused by reverse rotation of the water meter and malicious reverse installation of the water meter by a user, can avoid the problem of inconsistency of mechanical readings and electronic readings of the water meter, and can remove a mechanical check valve arranged on the water meter to achieve the purpose of saving cost.
More specifically, three magnet steel 3 is magnet steel A31, magnet steel B32, magnet steel C33 respectively, set up a hall element 4 on the mainboard 5, three magnet steel 3's magnetic flux is different, and all locate on same magnet steel tray 7, magnet steel A, magnet steel B, magnet steel C respond to with same hall element 4 in proper order, when gear 2 forward rotation, with hall element 4's response order be A-B-C, when gear 2 reverse rotation, with hall element 4's response order be C-B-A, mainboard 5 can automatic judgement, the water yield of record corotation and reversal, and can look over through the display screen on the mechanism of counting 1.
More specifically, the number of the magnetic steel trays 7 is three, the magnetic fluxes of the three magnetic steels 3 are the same, the three magnetic steel trays are respectively arranged on the three coaxially arranged magnetic steel trays 7, the main board 5 is provided with three hall elements 4, and the three hall elements 4 are respectively a hall element a 141, a hall element B142 and a hall element C143; when the magnetic steel a, the magnetic steel B and the magnetic steel C are arranged in a collinear manner, connecting lines of any two of the hall element a1, the hall element B1 and the hall element C1 are not parallel to connecting lines of the magnetic steel a, the magnetic steel B and the magnetic steel C, so that induction time differences among the magnetic steel a, the magnetic steel B and the magnetic steel C and corresponding hall element a1, hall element B1 and hall element C1 are guaranteed, and the main board 5 is guaranteed to be capable of accurately judging the direction of water flow.
Or the three hall elements 4 can be arranged in a collinear way, and the connecting line of any two magnetic steels 3 is not parallel to the connecting line of the three hall elements 4; the induction time difference between the magnetic steel A, the magnetic steel B and the magnetic steel C and the corresponding Hall element A1, Hall element B1 and Hall element C1 is ensured, and the main board 5 is ensured to accurately judge the direction of water flow.
More specifically, be equipped with spout 81 on the cover body 8, be equipped with slider 61 on the sensor box 6, slider 61 can be dismantled with spout 81 and be connected, and the staff of being convenient for maintains, changes.
More specifically, the cover 8 is made of a transparent material.
More specifically, the counting mechanism 1 may display forward or reverse rotation.
More specifically, magnet steel tray 7 is circular or fan-shaped, and when magnet steel tray 7 was fan-shaped, need guarantee that holistic focus still is on the axis, avoids gear 2 to incline in rotating for gear 2 steadily rotates in order to ensure that the reading is accurate.
A dry-type water meter, foretell dry-type metering transducer, mainboard 5 judges the direction of rotation of magnet steel 3 according to hall element 4 turn-off signal's order, and then judges that the rivers direction accomplishes relevant plus-minus calculation, can accurate measurement corotation, reversal reading, the convenience and the randomness of water meter installation have been increased, further the count precision of water meter has been improved, both can solve the water meter reversal and the phenomenon of stealing water that the malicious anti-water meter of user brought, can avoid the inconsistent problem of water meter mechanical reading and electronic reading again, the mechanical check valve of dress on the water meter can be removed simultaneously, reach cost-effective purpose.
The above examples are only for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (9)

1. A dry-type metrology sensor, comprising: including locating counting mechanism (1) and sensor box (6) on the cover body (8), be equipped with mainboard (5) in sensor box (6), be equipped with hall element (4) on mainboard (5), hall element (4) and counting mechanism (1) electric connection, be equipped with magnet steel (3) that correspond with hall element (4) in the cover body (8), magnet steel (3) are three at least, and magnet steel (3) are all located on magnet steel tray (7), magnet steel tray (7) are connected with impeller transmission through gear (2) of coaxial setting, hall element (4) judge the direction of rotation of magnet steel (3) through turn-off signal's order, and then judge the direction that the water gauge walked water.
2. A dry-type metrological sensor as claimed in claim 1, wherein: the number of the magnetic steels (3) is three.
3. A dry-type metrological sensor as claimed in claim 2, wherein: the magnetic steel trays (7) are three, three the magnetic steel (3) are respectively arranged on the magnetic steel trays (7) which are coaxially arranged, and the Hall elements (4) are three.
4. A dry metrology sensor as claimed in claim 3 wherein: the three Hall elements (4) are arranged in a collinear manner, and the connecting line of any two magnetic steels (3) is not parallel to the connecting line of the three Hall elements (4).
5. A dry-type metrological sensor as claimed in any one of claims 1 to 4, wherein: the sensor box is characterized in that a sliding groove (81) is formed in the cover body (8), a sliding block (61) is arranged on the sensor box (6), and the sliding block (61) is detachably connected with the sliding groove (81).
6. A dry metrology sensor as claimed in claim 5 wherein: the cover body (8) is made of transparent materials.
7. A dry metrology sensor as described in claim 1, 2, 3, 4 or 6 wherein: the counting mechanism (1) can display forward rotation or reverse rotation.
8. A dry metrology sensor as claimed in claim 7 wherein: the magnetic steel tray (7) is circular or sector.
9. A dry water meter, comprising: comprising a dry-type metrology sensor as claimed in any one of claims 1 to 8.
CN202122196743.9U 2021-09-10 2021-09-10 Dry-type metering sensor and dry-type water meter Active CN215726178U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122196743.9U CN215726178U (en) 2021-09-10 2021-09-10 Dry-type metering sensor and dry-type water meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122196743.9U CN215726178U (en) 2021-09-10 2021-09-10 Dry-type metering sensor and dry-type water meter

Publications (1)

Publication Number Publication Date
CN215726178U true CN215726178U (en) 2022-02-01

Family

ID=80018476

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122196743.9U Active CN215726178U (en) 2021-09-10 2021-09-10 Dry-type metering sensor and dry-type water meter

Country Status (1)

Country Link
CN (1) CN215726178U (en)

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