CN109029607B

CN109029607B - Intelligent water meter

Info

Publication number: CN109029607B
Application number: CN201810849597.5A
Authority: CN
Inventors: 李溪竹
Original assignee: Xiamen Longteng Co ltd
Current assignee: Xiamen Longteng Co ltd
Priority date: 2018-07-28
Filing date: 2018-07-28
Publication date: 2020-05-22
Anticipated expiration: 2038-07-28
Also published as: CN109029607A

Abstract

The invention discloses an intelligent water meter, which relates to the field of meters.A water meter is arranged in a shell of the intelligent water meter, and a window for observing a dial plate of the water meter is arranged on the upper end surface of the shell; the inner side wall of the window is provided with an illuminating lamp; a rotary rheostat is annularly arranged in the shell, the rotary rheostat is abutted with a first lead, and a section of insulating sleeve is sleeved on the other side, which is positioned on the rotary rheostat and has the same diameter with the lead abutting point; the upper end of the window is rotatably connected with an adjusting ring, a conductive piece abutted against the rotary rheostat is arranged in the adjusting ring, and a second wire abutted against the conductive piece is arranged in the shell; the conductive piece slides on the annular rotary rheostat and changes the resistance value between the first lead and the second lead; the connecting point of the first wire and the insulating sleeve have the same diameter, so that the brightness of the illuminating lamp is changed circularly from dark to light to dark no matter which direction the adjusting ring rotates; thereby achieving a soft adjustment of the brightness of the illumination lamp.

Description

Intelligent water meter

Technical Field

The invention relates to the field of instruments, in particular to an intelligent water meter.

Background

The intelligent water meter is a novel water meter which measures the water consumption by utilizing the modern microelectronic technology, the modern sensing technology and the intelligent IC card technology and transmits and settles the transaction of water consumption data. Compared with the traditional water meter which only has the functions of flow acquisition and mechanical pointer display of water consumption, the water meter is a great improvement. The intelligent water meter can record and electronically display the water consumption, can control the water consumption according to convention, automatically complete the water fee calculation of the stepped water price, and simultaneously can perform the function of water data storage.

For example, the chinese utility model patent with the publication number CN206431751U discloses an intelligent water meter with power generation and illumination functions, which comprises a water meter base meter, a control unit, a pipeline micro-generator, a rectification circuit, an energy storage circuit, a linear voltage regulator, a power supply start circuit of the linear voltage regulator and an illumination circuit; the pipeline micro-generator is arranged on a pipe joint of the water meter base meter and is used for being pushed by water flow to generate electricity when the water flow flows; the electric energy output by the pipeline micro-generator is injected into the energy storage circuit through the rectifying circuit; one path of the output of the energy storage circuit is connected with the input end of the linear voltage stabilizer, and the other path of the output of the energy storage circuit provides a power supply for the power supply starting circuit of the linear voltage stabilizer; the linear voltage regulator power supply starting circuit is connected with a power supply end of the linear voltage regulator and provides power for the linear voltage regulator according to the operation of a user; the output end of the linear voltage stabilizer is connected with the lighting circuit.

This intelligence water gauge and lighting circuit can convenience of customers look over the water gauge data that is in darker place, nevertheless receives the influence of ambient brightness, and there is the difference in different observers' vision, and the illumination of constant luminance is difficult to see water gauge data to some users probably weak among the lighting circuit, and be used for perhaps illumination too dazzling to some other and produce certain uncomfortable sense to glasses.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an intelligent water meter with a lighting device capable of flexibly adjusting the brightness.

In order to achieve the purpose, the invention provides the following technical scheme:

an intelligent water meter comprises a shell; a water meter and an IC card sensing device are arranged in the shell, and a window for observing a dial plate of the water meter is arranged on the upper end surface of the shell; an illuminating lamp is arranged on the inner side wall of the window and is coupled with a power supply of the IC card sensing device; the rotary rheostat is arranged in the shell in an annular mode, a first elastic sheet is abutted on a winding below the rotary rheostat, a connecting part for the first elastic sheet to be inserted and fixed is arranged on the inner wall of the shell, a first lead is fixedly welded below the first elastic sheet, and a section of insulating sleeve is sleeved on the other side, which is located on the rotary rheostat and has the same diameter as the abutting point of the first lead, of the other side; the upper end of the window is rotatably connected with an adjusting ring, a conductive piece abutted against the rotary rheostat is arranged in the adjusting ring, the conductive piece is abutted against a second elastic piece, the second elastic piece is also fixedly inserted on the connecting part, and a second wire is fixedly welded below the second elastic piece; the first lead and the second lead are connected in series in a power supply loop of the illuminating lamp, the conductive piece is arranged in an annular shape, and a mounting groove for the conductive piece to be embedded into is formed in the lower end surface of the adjusting ring; the lower end face of the conductive piece is provided with a contact abutted to the upper end face of the rotary rheostat, the surface of the rotary rheostat is coated with an insulating protective sleeve, the peripheral wall of the protective sleeve is bonded and fixed on the inner wall of the shell, the upper end face of the protective sleeve is provided with an annular groove for the contact to extend into, and the lower end face of the protective sleeve is provided with a through hole for the first elastic piece to extend into.

With the arrangement, when the adjusting ring is rotated, the conductive piece slides on the annular rotary rheostat, so that the resistance value between the first wire and the second wire is changed, and the effect of changing the brightness of the illuminating lamp is achieved; because the connecting point of the first wire and the insulating sleeve pass through the same diameter, the brightness of the illuminating lamp is changed circularly from dark to light to dark no matter which direction the adjusting ring is rotated; when the conductive piece contacts the insulating sleeve, the lighting lamp is turned off due to the disconnection; therefore, the brightness of the illuminating lamp is softly adjusted, and the conductive piece is arranged into a ring shape, so that the conductive piece can be always kept in contact with the second conducting wire to be conducted when the adjusting ring is rotated; through contact and rotatory rheostat butt for when rotating the adjustable ring, the contact can change along with it with the butt joint point of rotatory rheostat, play the effect that changes the resistance size, thereby realize the effect of adjusting light luminance.

Further setting: the lower end face of the adjusting ring is provided with a fixing ring which is abutted against the lower end face of the conductive piece.

So set up, establish solid fixed ring through adding behind electrically conductive piece embedding mounting groove, play further limiting action to electrically conductive piece, prevent electrically conductive piece and mounting groove and break away from because of not hard up, guarantee mounting structure's reliability.

Further setting: the surface of the adjusting ring is provided with anti-skid grains.

So set up, through adding and establish anti-skidding line, increased the friction between the two when rotating the adjustable ring with the hand, make the rotation action more steady.

Further setting: the inner ring of the adjusting ring extends downwards to form a positioning ring, the positioning ring is rotatably inserted into the inner ring of the protective sleeve, and the lower end of the positioning ring is provided with a clamping hook which is abutted against the lower end of the protective sleeve.

With the arrangement, when the adjusting ring rotates, the outer peripheral wall of the positioning ring and the inner wall of the inner ring of the protective sleeve slide relatively, so that when the adjusting ring normally rotates, the axial direction of the adjusting ring is positioned, and the action of the adjusting ring is more stable; the clamping hook can prevent the adjusting ring from axially separating from the rotary rheostat.

Further setting: the upper end face of the shell is provided with a mounting hole, a spring is arranged in the mounting hole, the upper end of the spring is abutted to a steel ball, and the lower end face of the fixing ring is provided with a limiting hole for the steel ball to enter.

With the arrangement, when the adjusting ring is rotated until the limiting hole is aligned with the steel ball, the steel ball is jacked into the limiting hole under the action of the spring, so that the adjusting ring is limited when the adjusting ring stops rotating; the part can be used for the situation that the lighting lamp is powered off and extinguished after the contact is connected with the insulating sleeve, so that the lighting lamp is prevented from being powered on and emitting light due to accidental operation.

Further setting: the illuminating lamp is an LED lamp strip, and the LED lamp strip is attached to the inner side wall of the window.

Due to the arrangement, the soft LED lamp strip can be well attached to the inner side wall of the window, the bulb and the circuit are completely coated in the flexible plastic, the insulation and waterproof performance is good, and the use is safe; meanwhile, the weather resistance is strong, the cracking is not easy to happen, and the service life is long.

Further setting: a dustproof cover for covering the window is rotatably connected to the shell; the dustproof cover is characterized in that an elastic buckle is arranged on the edge of the dustproof cover, and a fixing groove for the elastic buckle to be clamped in is formed in the shell.

Due to the arrangement, the dust cover is additionally arranged, so that the influence on the observation of the water meter dial plate caused by the dust attached to the window can be effectively avoided; utilize elasticity buckle card to go into the fixed slot, play the fixed action to closed shield, be convenient for open it simultaneously.

In conclusion, the invention has the following beneficial effects:

1. the intelligent water meter can illuminate the instrument panel through the illuminating lamp, so that an observer can conveniently view the dial plate of the water meter;

2. the brightness of the illuminating lamp can be adjusted by rotating the adjusting ring so as to adapt to different environments and the vision requirements of users;

3. when the adjusting ring is rotated, the brightness of the illuminating lamp is changed circularly from dark to light to dark all the time, and the condition of sudden lightening does not exist midway, so that the brightness of the illuminating lamp is adjusted softly, and the phenomenon of dazzling light is avoided.

Drawings

Fig. 1 is a partially exploded view of an intelligent water meter;

FIG. 2 is a partial cross-sectional view of an intelligent water meter illustrating features of its internal conductive structure;

fig. 3 is a partial cross-sectional view of an intelligent water meter showing features of a dust cap and housing.

In the figure: 1. a housing; 2. a water meter; 3. an IC card sensing device; 4. a window; 5. an illuminating lamp; 6. a rotary rheostat; 7. a first conductive line; 8. an insulating layer; 9. an adjusting ring; 10. a conductive member; 11. a second conductive line; 12. mounting grooves; 13. a contact; 14. a fixing ring; 15. anti-skid lines; 16. a protective sleeve; 17. an annular groove; 18. a positioning ring; 19. a hook; 20. mounting holes; 21. a spring; 22. steel balls; 23. a limiting hole; 24. a dust cover; 25. elastic buckle; 26. fixing grooves; 27. a first spring plate; 28. and a second elastic sheet.

Detailed Description

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

An intelligent water meter, as shown in fig. 1, comprises a water meter 2 and an IC card sensing device 3 arranged in a housing 1. Wherein, the upper end face of the shell 1 is arranged right above the dial plate of the water meter 2 and is provided with a round window 4 for observation, the inner side wall of the window 4 is provided with an illuminating lamp 5, and the illuminating lamp 5 and the IC card induction device 3 share one power supply.

With reference to fig. 1 and 2, a closed ring-shaped rotary varistor 6 is further fixedly disposed in the casing, and the rotary varistor 6 is abutted with a first wire 7. Wherein, the winding wire under the rotary rheostat 6 is connected with a first spring plate 27 in an abutting mode, the inner wall of the shell 1 is provided with a connecting part for the first spring plate 27 to be inserted and fixed, and a first lead 7 is fixedly welded under the first spring plate 27. The rotary rheostat 6 is also sleeved with an insulating sleeve, and the insulating sleeve is positioned on the other side of the rotary rheostat 6, which has the same diameter with the wire abutting point of the first wire 7. An insulating adjusting ring 9 is rotatably connected to the upper end of the window 4, a conductive member 10 abutting against the rotary varistor 6 is provided in the adjusting ring 9, and a second conductive wire 11 abutting against the conductive member 10 is provided in the housing 1. The conductive member 10 abuts against the second elastic sheet 28, the second elastic sheet 28 is also inserted and fixed on the connecting portion, and the second wire 11 is welded and fixed below the connecting portion. The first lead 7 and the second lead 11 are both connected in series in a power supply loop of the illuminating lamp 5 to realize the conduction of the power supply of the illuminating lamp 5.

Specifically, referring to fig. 1 and 2, the conductive member 10 is provided in an annular shape, and a lower end surface thereof is provided with a contact 13 having elasticity for winding and abutting against an upper end surface of the rotary varistor 6. A mounting groove 12 into which the conductive member 10 is fitted is formed in the lower end surface of the adjustment ring 9, and a fixing ring 14 that abuts against the lower end surface of the conductive member 10 is fixedly bonded to the lower end surface of the adjustment ring 9. In order to prevent the illumination lamp 5 from being powered on and emitting light due to accidental operation, after the contact 13 is connected with the insulating sleeve and under the condition that the illumination lamp 5 is powered off and extinguished, the upper end surface of the shell 1 is provided with a mounting hole 20, a spring 21 is arranged in the mounting hole 20, the upper end of the spring 21 is abutted with a steel ball 22, and the lower end surface of the fixing ring 14 is provided with a limiting hole 23 for the steel ball 22 to enter.

In order to avoid mutual abrasion caused by direct contact between the winding of the rotary varistor 6 and other components, referring to fig. 1 and 2, the surface of the rotary varistor 6 is coated with an insulating protective sleeve 16, and the outer circumferential wall of the protective sleeve 16 is adhesively fixed on the inner wall of the casing 1. An annular groove 17 into which the contact 13 extends is formed in the upper end surface of the protective sleeve 16, and a through hole into which the first elastic piece 27 extends is formed in the lower end surface. A positioning ring 18 extends downwards from the inner ring of the adjusting ring 9, the positioning ring 18 is rotatably inserted into the inner ring of the protective sleeve 16, and a hook 19 abutting against the lower end of the protective sleeve 16 is arranged at the lower end of the positioning ring 18.

In order to prevent the window 4 from being contaminated by dust and affecting the observation, with reference to fig. 1 and 3, a dust-proof cover 24 for covering the window 4 is further hinged to the housing 1; an elastic clip 25 is provided on the edge of the dust cap 24, and a fixing groove 26 into which the elastic clip 25 is fitted is provided in the housing 1. At the same time, the surface of the adjusting ring 9 is provided with anti-skid lines 15 for facilitating the rotation.

The illuminating lamp 5 can be preferably an LED lamp strip, and the soft LED lamp strip can be well attached to the inner side wall of the window 4 and fixed through adhesive; the bulb and the circuit are completely wrapped in the flexible plastic, so that the lamp has good insulating and waterproof performance and is safe to use; meanwhile, the weather resistance is strong, the cracking is not easy to happen, and the service life is long.

The working principle is as follows: when the adjusting ring 9 is rotated, the contact 13 slides on the annular rotary rheostat 6, so that the resistance value between the first lead 7 and the second lead 11 is changed, and the function of changing the brightness of the illuminating lamp 5 is achieved; because the connecting point of the first lead 7 and the insulating sleeve have the same diameter, no matter which direction the adjusting ring 9 rotates, the brightness of the illuminating lamp 5 is changed circularly from dark to light to dark; when the conductive piece 10 contacts the insulating sleeve, the illuminating lamp 5 is turned off due to the circuit breaking, meanwhile, the part of the steel ball 22 is pushed into the limiting hole 23 by the spring 21, and the adjusting ring 9 stops rotating under the condition of not being influenced by external force; thereby achieving a soft adjustment of the brightness of the illumination lamp 5.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. An intelligent water meter comprises a housing (1); a water meter (2) and an IC card sensing device (3) are arranged in the shell (1), and a window (4) for observing a dial plate of the water meter (2) is arranged on the upper end face of the shell (1); an illuminating lamp (5) is arranged on the inner side wall of the window (4), and the illuminating lamp (5) is coupled with a power supply of the IC card sensing device (3); the method is characterized in that: the rotary rheostat (6) is arranged in an annular mode in the shell (1), a first elastic sheet (27) is abutted on a winding wire below the rotary rheostat (6), a connecting part for inserting and fixing the first elastic sheet (27) is arranged on the inner wall of the shell (1), a first lead (7) is fixedly welded below the first elastic sheet (27), and a section of insulating sleeve is sleeved on the other side, located on the rotary rheostat (6), of the same diameter as the abutting point of the first lead (7); an adjusting ring (9) is rotatably connected to the upper end of the window (4), a conductive piece (10) abutted against the rotary rheostat (6) is arranged in the adjusting ring (9), the conductive piece (10) is abutted against a second elastic sheet (28), the second elastic sheet (28) is also inserted and fixed on the connecting part, and a second wire (11) is welded and fixed below the connecting part; the first lead (7) and the second lead (11) are connected in series in a power supply loop of the illuminating lamp (5), the conductive piece (10) is arranged in an annular shape, and a mounting groove (12) for the conductive piece (10) to be embedded into is formed in the lower end surface of the adjusting ring (9); the lower end face of the conductive piece (10) is provided with a contact (13) abutted to the upper end face of the rotary rheostat (6), the surface of the rotary rheostat (6) is coated with an insulating protective sleeve (16), the peripheral wall of the protective sleeve (16) is bonded and fixed on the inner wall of the shell (1), the upper end face of the protective sleeve (16) is provided with an annular groove (17) for the contact (13) to extend into, and the lower end face of the protective sleeve is provided with a through hole for the first elastic sheet (27) to extend into.

2. An intelligent water meter as set forth in claim 1, wherein: and a fixing ring (14) which is abutted against the lower end surface of the conductive piece (10) is arranged on the lower end surface of the adjusting ring (9).

3. An intelligent water meter as set forth in claim 1, wherein: the surface of the adjusting ring (9) is provided with anti-skid grains (15).

4. An intelligent water meter as set forth in claim 1, wherein: the inner ring of the adjusting ring (9) extends downwards to form a positioning ring (18), the positioning ring (18) is rotatably inserted into the inner ring of the protective sleeve (16), and the lower end of the positioning ring (18) is provided with a clamping hook (19) which is abutted against the lower end of the protective sleeve (16).

5. An intelligent water meter as set forth in claim 2, wherein: the upper end surface of the shell (1) is provided with a mounting hole (20), a spring (21) is arranged in the mounting hole (20), the upper end of the spring (21) is abutted to a steel ball (22), and the lower end surface of the fixing ring (14) is provided with a limiting hole (23) for the steel ball (22) to enter.

6. An intelligent water meter as set forth in claim 1, wherein: the illuminating lamp (5) is an LED lamp strip, and the LED lamp strip is attached to the inner side wall of the window (4).

7. An intelligent water meter as set forth in claim 1, wherein: a dustproof cover (24) for covering the window (4) is rotatably connected to the shell (1); the edge of the dustproof cover (24) is provided with an elastic buckle (25), and the shell (1) is provided with a fixing groove (26) for the elastic buckle (25) to be clamped in.