CN209857986U - Photoelectric signaling water meter - Google Patents

Abstract

The utility model provides a photoelectric type signaling water gauge, including base table and casing, the base table includes the watchcase, the water gauge core, glass and well cover, be equipped with signaling apparatus in the water gauge core, signaling apparatus is the coupling pointer, be equipped with the magnet steel on the coupling pointer, be equipped with on the casing and hold the chamber, it is equipped with signal acquisition device to hold the intracavity, signal acquisition device includes photoelectric counter, photoelectric counter is including responding to the magnet steel, be equipped with positioning mechanism between well cover and the glass, positioning mechanism locates the annular gasket on the glass including the lid, be equipped with the location breach on the internal perisporium of annular gasket, the location breach is located well cover inner circle, when the casing cover was located on the base table, it passes well cover inner circle and is located the location breach to hold the chamber, the magnet steel is connected with. Fix positioning mechanism in well cover, then will hold the chamber and inlay in the location breach, accomplish the accurate positioning of signal acquisition device and signaling apparatus promptly, need not to fix a position the equipment according to operating personnel's experience, reduced operating personnel's the equipment degree of difficulty.

Description

Photoelectric signaling water meter

Technical Field

The utility model relates to a signaling water meter, especially a photoelectric type signaling water meter.

Background

A water meter is a kind of measuring instrument, and is mostly an accumulated flow measurement of water. The existing water meters are all water inlet ends of water plants installed at house doorways of users, and the traditional water meters need workers to observe and record one by one, so that time is wasted; in order to solve the problems, the signaling water meter is produced by the way that a signal acquisition device, a signaling device and a related signal processing device are arranged in the water meter, and the reading of the water meter is sent to a handheld terminal of a worker, so that the worker can obtain the reading of the water meter in batches.

However, the signaling water meter has certain defects: the corresponding degree requirement of the signal acquisition device and the signaling device is very high, the data accuracy collected by the signal acquisition device can be influenced if the signal acquisition device and the signaling device have slight deviation, and the existing signaling water meter, the signal acquisition device and the signaling device are positioned through experience, so that the assembly difficulty of operators is improved, and the data accuracy collected by the signal acquisition device is low.

Disclosure of Invention

In order to solve the defects of the prior art, the utility model aims at providing a photoelectric type signaling water meter can carry out accurate positioning to signal sampling device and signaling device, and the equipment that makes signaling water meter becomes simpler, and the data precision that signal sampling device gathered is higher.

In order to achieve the above object, the utility model relates to a photoelectric signaling water meter, which comprises a base meter and a shell, wherein the base meter comprises a meter shell, a water meter core arranged in the meter shell, glass covered on the water meter core, and a middle cover arranged on the glass and pressing the glass tightly, a signaling device is arranged in the water meter core, a containing cavity is arranged on the shell, a signal acquisition device is arranged in the containing cavity, a positioning mechanism is arranged between the middle cover and the glass, the positioning mechanism comprises a ring-shaped gasket, the ring-shaped gasket is covered on the glass, a positioning notch is arranged on the inner peripheral wall of the ring-shaped gasket, the positioning notch is positioned in the inner ring of the middle cover, the signaling device is a coupling pointer, magnetic steel is arranged on the coupling pointer, the signal acquisition device comprises a photoelectric counter, the photoelectric counter comprises induction magnetic steel, when the shell is covered on the base meter, the containing cavity penetrates through the inner ring of the middle cover and is positioned in the positioning notch, and the magnetic steel is in magnetic coupling connection with the induction magnetic steel.

Further, the size of location breach equals with the size that holds the chamber, hold the chamber card and locate in the location breach, magnet steel and the mutual magnetic coupling of response magnet steel are connected.

Furthermore, the size of location breach is greater than the size that holds the chamber, hold the chamber and pass the well cover inner circle and be located the location breach and rotate certain angle after, the magnet steel with the mutual magnetic coupling of response magnet steel is connected.

Further, after the accommodating cavity rotates by a certain angle, the periphery of the accommodating cavity is abutted to one side of the positioning notch, and the magnetic steel is connected with the induction magnetic steel in a magnetic coupling manner.

Further, the annular gasket includes interconnect's annular body and annular location body, the external diameter of annular location body is less than the external diameter of annular body, the annular body covers on glass, the annular location body is located cover inner circle in the glass top, the location breach is located on the interior circumference of annular location body, still be equipped with at least one breach on the interior circumference of annular location body, be equipped with the pothook on the casing, the pothook with breach looks adaptation, the pothook from last down pass the breach and rotate after certain angle with annular location body looks butt.

Furthermore, the annular positioning body is provided with a positioning rib, the clamping hook is abutted against the positioning rib after rotating for a certain angle, and the magnetic steel is connected with the induction magnetic steel in a magnetic coupling manner.

Furthermore, the annular gasket is provided with a limiting part, the shell is provided with a slot corresponding to the limiting part, and a limiting block is inserted into the slot and fixed with the limiting part.

Furthermore, the limiting part is a limiting notch arranged on the annular gasket, and the limiting block penetrates through the slot and is clamped in the limiting notch; or the limiting part is provided with limiting teeth on the annular gasket, the limiting block is provided with engaging teeth matched with the limiting teeth, and the engaging teeth on the limiting block are engaged with the limiting teeth after being inserted into the slots.

Further, be equipped with a pair of spacing muscle on the ring washer, form the spacing groove between a pair of spacing muscle, be equipped with the location muscle on the casing, after the casing rotated certain angle, the spacing inslot is located to the location muscle card, the magnet steel with the mutual magnetic coupling of response magnet steel is connected.

Further, the photoelectric counter further comprises a shading sheet, an upper light tube plate and a lower light tube plate, wherein the upper light tube plate and the lower light tube plate are arranged on the upper portion and the lower portion of the shading sheet, a plurality of receivers are arranged on the upper light tube plate, a plurality of emitters are arranged on the lower light tube plate, the emitters correspond to the receivers one to one, a plurality of light transmitting openings are formed in the shading sheet, a medium transmitted by the emitters is received by the receivers through the light transmitting openings, and the shading sheet is fixedly connected with the induction magnetic steel.

Compared with the prior art, the beneficial effects of the utility model are that: fix positioning mechanism between well cover and glass, then only need to hold the chamber and inlay in the location breach, can accomplish the accurate positioning of signal acquisition device and signaling apparatus, need not to fix a position the equipment according to operating personnel's experience, reduced operating personnel's the equipment degree of difficulty, improved the precision of signal sampling device data collection.

Drawings

Fig. 1 is a partial structural schematic diagram of embodiment 1.

FIG. 2 is a schematic diagram of the structure of the base table of example 1.

Fig. 3 is an exploded view of fig. 2.

Fig. 4 is a schematic structural diagram of the photoelectric counter.

Fig. 5 is another angular configuration of fig. 4.

Fig. 6 is an exploded view of the photoelectric counter.

FIG. 7 is a schematic diagram showing the structure of a base table in example 2.

Fig. 8 is a partial structural schematic view of the housing.

Fig. 9 is a schematic structural view of the annular gasket in embodiment 2.

FIG. 10 is a partial structural view of embodiment 5.

Fig. 11 is an exploded view of fig. 10.

FIG. 12 is another schematic view of the stopper.

Fig. 13 is another structural schematic diagram of the positioning mechanism.

FIG. 14 is an exploded view of example 6.

Fig. 15 is a schematic structural view of a positioning mechanism in embodiment 6.

Fig. 16 is another schematic configuration diagram of the positioning mechanism in embodiment 6.

Fig. 17 is a schematic structural view of a cartridge in embodiment 6.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1:

as shown in fig. 1 ~ 3 and 14, a photoelectric signaling water meter includes a base meter and a housing 1, the base meter includes a housing 2, a water meter movement 3 disposed in the housing 2, a glass 4 covering the water meter movement 3, a middle cover 5 disposed on the glass 4 and pressing the glass 4, and a positioning mechanism 6 disposed between the middle cover 5 and the glass 4, a signaling device is disposed in the water meter movement 3, the signaling device is a coupling pointer, the coupling pointer is provided with a magnetic steel 32, the positioning mechanism 6 includes a ring washer 61, the ring washer 61 covers the glass 4, a positioning notch 611 is disposed on an inner peripheral wall of the ring washer 61, a part or all of the positioning notch 611 is disposed in the middle cover 5, an inner ring accommodating cavity 11 is disposed on the housing 1, a signal collecting device is disposed in the accommodating cavity 11, when the housing 1 covers the base meter, the accommodating cavity 11 passes through the middle cover 5 and is disposed in the inner ring notch 611, and the coupling pointer is coupled to the signal collecting device.

As shown in fig. 4 ~ 6, the signal collecting device includes a photoelectric counter 12 and a circuit board, the photoelectric counter 12 includes a sensing magnetic steel 121, a light shielding sheet 122, an upper light tube plate 123 and a lower light tube plate 124 disposed above and below the light shielding sheet 122, the upper light tube plate 123 is provided with a plurality of receivers 125, the lower light tube plate 124 is provided with a plurality of emitters 126, the emitters 126 and the receivers 125 are in one-to-one correspondence, the emitters 126 and the receivers 125 are electrically connected to the circuit board, the light shielding sheet 122 is provided with a plurality of light transmitting ports 1221, a medium transmitted by the emitters 126 is received by the receivers 125 through the light transmitting ports 1221, the sensing magnetic steel 121 and the magnetic steel are magnetically coupled to each other, the coupling pointer 32 rotates to drive the magnetic steel 32 to rotate, the sensing magnetic steel 121 rotates with the magnetic steel 32, the sensing magnetic steel 121 drives the light shielding sheet 122 to rotate through the coupling transmission shaft 127, during the rotation of the light shielding sheet 122, the medium transmitted by the emitters 126 is received by the receivers 125 through the light transmitting ports 1221, the emitters 122 are blocked by the light shielding sheet 122, the emitters 126, the light meter reading of the photoelectric counter can be completed according to the preferred embodiment, the water meter can be counted, and the water meter can be counted by the light meter.

Because the middle cover 5 is rotatably connected with the watch case 2, the middle cover 5 can be opened by a large force, and the annular gasket 61 arranged between the middle cover 5 and the glass 4 is not easy to rotate and has good stability.

In this embodiment, the size of the accommodating cavity 11 is equal to the size of the positioning notch 611, the housing 1 covers the base table, the accommodating cavity 11 penetrates through the middle cover 5 from top to bottom and is clamped in the positioning notch 611, at this time, the coupling pointer corresponds to the signal acquisition device, and the magnetic steel 32 is magnetically coupled with the induction magnetic steel 121. The fixing mode between the shell 1 and the base meter is the same as that in the prior art, and is not described herein any more, and a complete water meter can be formed only by conducting lead seals on the shell and the base meter respectively.

Example 2:

as shown in fig. 7 ~ 9, the difference between this embodiment and embodiment 1 is that the size of the accommodating cavity 11 is smaller than the size of the positioning notch 611, the accommodating cavity 11 passes through the middle cover 5 and is located in the positioning notch 611 and rotates by a certain angle, the coupling pointer corresponds to the signal acquisition device, and the magnetic steel is magnetically coupled to the induction magnetic steel 121, so that the size of the positioning notch is increased, and it is not necessary for an operator to align the accommodating cavity 11 and the positioning notch 611, and because the housing 1 is covered on the base meter, the rotation of the housing 1 is only one direction, and it is not necessary for the operator to select the rotation direction, which further reduces the assembly difficulty of the operator, and makes the assembly of the signaling water meter easier and more convenient.

As for the assembly between the case and the base watch, the case can be fixed by the existing methods such as screws and pull feet after covering the case on the base watch and rotating a certain angle, or can be fixed by a brand-new fixing method without screws, and the latter has the following specific structure: as shown in fig. 7 and 9, the annular gasket 61 includes an annular body 612 and an annular positioning body 613 connected to each other, the annular positioning body 613 is in an inverted L shape, the annular positioning body 613 is disposed coaxially with the annular body 612, an outer diameter of the annular positioning body 613 is smaller than an outer diameter of the annular body 612, the annular body 612 covers the glass, the annular positioning body 613 is disposed above the glass 4 in an inner ring of the cover 5 so as to form a rotation space 7 between the annular positioning body 613 and the glass 4, the positioning notch 611 is disposed on an inner circumference of the annular positioning body 613, at least one notch 614 is further disposed on the inner circumference of the annular positioning body 613, the housing 1 is provided with hooks 13, the number of the hooks 13 may be one, or may correspond to one-to-one notches 614, the hooks 13 are adapted to the notches 614, the hooks 13 pass through the notches 614 from top to bottom and can rotate in the rotation space 7, the housing 1 is covered on a base watch, and the hook 13 passes through the notch 614 and rotates a certain angle to abut against the annular positioning body 613. The upper and lower fixation between the casing 1 and the base meter is realized by the butt joint of the hook 13 and the annular positioning body 613, no screws are needed, the assembling procedures are reduced, and the device is more convenient.

Example 3:

this example differs from example 2 in that: the signaling water meter is also provided with a limiting mechanism, so that the shell 1 is prevented from rotating too much or too little, the corresponding degree of the coupling pointer and the signal acquisition device is ensured, and the magnetic coupling transmission effect of the induction magnetic steel and the magnetic steel is ensured, thereby ensuring the metering precision of the water meter.

The limiting mechanism in this embodiment is specifically a sidewall of the positioning notch 611 or an abutting member disposed in the positioning notch 611, the abutting member is generally protruded into the positioning notch 611, the accommodating cavity 11 is prevented from continuing to rotate according to the original rotation direction after abutting against the abutting member, and the sidewall is a special setting condition of the abutting member. Rotate casing 1 drives and holds chamber 11 and rotate with stop gear looks butt, casing 1 rotates to the position promptly, and the coupling pointer corresponds with signal acquisition device, and induction magnet steel 121 and the mutual magnetic coupling of magnet steel are connected.

Example 4:

this example differs from example 3 in that: the limiting mechanism in this embodiment is a positioning rib disposed on the annular positioning body 613, and the positioning rib is located on the rotation track of the hook 13 in the rotation space 7, when the hook is abutted against the positioning rib in the rotation process, i.e. the housing rotates in place, the magnetic steel is magnetically coupled with the induction magnetic steel.

Example 5:

the difference between this embodiment and embodiment 3 is that, as shown in fig. 8 and 10 ~ 13, the limiting mechanism in this embodiment is a limiting portion disposed on the annular gasket 61, the housing 1 is provided with a slot 14 corresponding to the limiting portion, a limiting block 8 is inserted from the slot 14 and fixed to the limiting portion, where the limiting portion may be a limiting notch 615 disposed on the annular gasket 611, the limiting block 8 is inserted through the slot 14 and clamped in the limiting notch 615, the limiting block 8 may be in interference fit with the limiting notch 615 and the slot 14, or may be engaged with the limiting notch 14 by a screw, a positioning pin, or a barb, as shown in fig. 11, in this embodiment, a positioning table 15 is disposed in the slot 14, the positioning table 15 is a protrusion extending from an inner wall of the slot 14 to a center thereof, the slot 14 and the limiting block 8 are in an inverted L shape, the limiting hole 81 is disposed on the limiting block 8, a positioning pin is disposed on the positioning table 15, the positioning pin passes through the positioning hole 81 and the positioning hole 151, so that the limiting block 8 is fixed to the annular gasket 61 and the annular gasket 61, or the positioning pin is disposed on a side surface of the annular gasket 616, or an annular tooth 616, the positioning tooth 82 is disposed on the side surface of the annular gasket 61, or the positioning tooth 82, so that the limiting tooth 82 is disposed on the limiting tooth 616, the limiting tooth 82, the limiting block 8, the positioning ring is disposed on the side surface of the housing 61 or the limiting block 8, or the positioning ring 616, the positioning tooth 82, or the positioning tooth 82, the positioning block 8, the positioning ring is disposed on the side surface of the positioning block 8, or the positioning ring 616, or the positioning tooth 82, the positioning tooth is disposed on the positioning tooth 82, or the positioning tooth, the positioning tooth 82, or the positioning tooth 82, the positioning block 2, or the positioning tooth is disposed on the positioning tooth 82, or the positioning tooth, the positioning tooth 82, or the positioning tooth.

When casing 1 and base table adopt screwless fixed mode to be connected, the stop gear of this embodiment combines together with embodiment 3 or 4 and uses, and the connection effect of casing and base table is more stable, can only set up the lead seal on the slot moreover to make casing and base table can't realize not destroying and demolish, a lead seal just can form a complete water gauge.

The limiting mechanism can also be a pair of limiting ribs arranged on the annular gasket 61, a limiting groove is formed between the pair of limiting ribs, a positioning rib is arranged on the shell 1, the positioning rib is clamped in the limiting groove after the shell 1 rotates for a certain angle, and the coupling pointer is correspondingly coupled with the photoelectric counter. In order to better prevent the positioning rib from separating from the limiting groove, one side of the pair of limiting ribs, which is close to each other, is a plane, and the other side of the pair of limiting ribs, which is far away from each other, is an arc surface.

Example 6:

in order to better fix the ring gasket, the difference between this embodiment and the above embodiment 1 ~ 5 is that, as shown in fig. 14 ~ 17, a cover 62 is further connected to the periphery of the ring gasket 61, the cover 62 is wrapped around the periphery of the glass 4, a fixing portion 63 is provided at the lower end of the cover 62, the fixing portion 63 is fixedly connected with the water meter movement 3 or the meter case 2, and the ring gasket 61 is not rotated after being covered on the glass 4 by the fixing portion 63, so that the positioning effectiveness is further ensured.

The fixing portion 63 includes a fixing ring 631 extending from the lower end of the cover 62 to the axial direction thereof, the fixing ring 631 is sleeved on the outer periphery of the water meter movement 3, at least one clamping block 632 is disposed on the fixing ring 631, a clamping groove is disposed on the water meter movement 3 or the case 2, the clamping groove is matched with the clamping block 632, as shown in fig. 14 ~ 16, when the clamping groove 31 is disposed on the water meter movement 3, the clamping block 632 extends from the inner periphery of the fixing ring 631 to the axial direction thereof, and as shown in fig. 17, when the clamping groove is disposed on the case 2, the clamping block 632 extends downward from the lower end of the fixing ring 631.

Besides the above structure, the fixing portion 63 may also be provided with a plurality of fixing blocks directly at the lower end of the cover 62, and the fixing blocks are directly inserted into the water meter movement 3 or the case 4 to prevent the positioning mechanism from rotating.

The positioning mechanism 6 can be integrated as shown in fig. 15, or can be separated as shown in fig. 16 and 17. When the positioning mechanism 6 is integrated, the positioning mechanism 6 and the glass 4 may be molded integrally, or the glass 4 may be inserted into the positioning mechanism 6 from the annular gasket 61.

Claims (10)

1. The utility model provides a photoelectric type news water gauge, includes base table and casing, the base table includes the watchcase, locates the water gauge core in the watchcase, the glass that the lid was located on the water gauge core and set up on glass and with the well cover that glass compressed tightly, be equipped with the news device in the water gauge core, be equipped with on the casing and hold the chamber, it is equipped with signal acquisition device, its characterized in that to hold the intracavity: be equipped with positioning mechanism between well cover and the glass, positioning mechanism includes the ring washer, the ring washer lid is located on the glass, be equipped with location breach on the internal perisporium of ring washer, location breach is located well cover inner circle, signaling apparatus is the coupling pointer, be equipped with the magnet steel on the coupling pointer, signal acquisition device includes photoelectric counter, photoelectric counter is including the response magnet steel, when the casing cover was located on the base table, it is located the location breach to hold the chamber to pass well cover inner circle, the magnet steel is connected with the mutual magnetic coupling of response magnet steel.

2. The photoelectric signaling water meter of claim 1, wherein: the size of location breach equals with the size that holds the chamber, hold the chamber card and locate in the breach of location.

3. The photoelectric signaling water meter of claim 1, wherein: the size of location breach is greater than the size that holds the chamber, hold the chamber and pass the well cover inner circle and be located the location breach and rotate certain angle after, the magnet steel with the mutual magnetic coupling of response magnet steel is connected.

4. The photoelectric signaling water meter of claim 3, wherein: after the accommodating cavity rotates for a certain angle, the periphery of the accommodating cavity is abutted against one side of the positioning notch.

5. The photoelectric signaling water meter of claim 3, wherein: the annular gasket includes interconnect's annular body and annular location body, the external diameter of annular location body is less than the external diameter of annular body, the annular body covers on glass, the annular location body is located cover inner circle in the glass top, the location breach is located on the interior week of annular location body, still be equipped with at least one breach on the interior week of annular location body, be equipped with the pothook on the casing, the pothook with breach looks adaptation, the pothook from last down pass the breach and rotate after certain angle with annular location body looks butt.

6. The optical signaling water meter of claim 5, wherein: the annular positioning body is provided with a positioning rib, and the clamping hook is abutted against the positioning rib after rotating for a certain angle.

7. The photoelectric signaling water meter of claim 3, wherein: the annular gasket is provided with a limiting part, the shell is provided with a slot corresponding to the limiting part, and a limiting block is inserted into the slot and fixed with the limiting part.

8. The optical signaling water meter of claim 7, wherein: the limiting part is a limiting notch arranged on the annular gasket, and the limiting block penetrates through the slot and is clamped in the limiting notch; or the limiting part is provided with limiting teeth on the annular gasket, the limiting block is provided with engaging teeth matched with the limiting teeth, and the engaging teeth on the limiting block are engaged with the limiting teeth after being inserted into the slots.

9. The photoelectric signaling water meter of claim 3, wherein: the annular gasket is provided with a pair of limiting ribs, a limiting groove is formed between the limiting ribs, the shell is provided with positioning ribs, and the positioning ribs are clamped in the limiting groove after the shell rotates for a certain angle.

10. The photoelectric signaling water meter of claim 1, wherein: the photoelectric counter further comprises a shading sheet, an upper light tube plate and a lower light tube plate, wherein the upper light tube plate and the lower light tube plate are arranged on the upper portion and the lower portion of the shading sheet, a plurality of receivers are arranged on the upper light tube plate, a plurality of emitters are arranged on the lower light tube plate, the emitters correspond to the receivers one to one, a plurality of light transmitting openings are formed in the shading sheet, a medium transmitted by the emitters is received by the receivers through the light transmitting openings, and the shading sheet is fixedly connected with the induction magnetic.