阅读说明：本技术 一种防火防高温的智能水表 (Fireproof and high-temperature-resistant intelligent water meter ) 是由 杨辉军 刘大和 欧远治 王泽龙 陈杰 于 2020-10-09 设计创作，主要内容包括：本发明公开了一种防火防高温的智能水表,包括水表体和吹风组件；所述水表体包括进水管、电子元件壳体、水表主体和出水管；所述进水管如所述出水管分别连通于所述水表主体的两侧；所述电子元件壳体连接于所述水表主体；所述进水管穿设于所述电子元件壳体；所述电子元件壳体的内部用于设置电子元件；所述水表主体内部开设有连通于所述进水管和所述出水管的主体仓；本发明提出的防火防高温的智能水表,具有出色的降温能力,能够对智能水表的电子元件进行有效的降温,避免出现智能水表的电子元件因高温而造成的运行故障。(The invention discloses a fireproof and high-temperature-resistant intelligent water meter, which comprises a water meter body and a blowing assembly, wherein the blowing assembly is arranged on the water meter body; the water meter body comprises a water inlet pipe, an electronic element shell, a water meter main body and a water outlet pipe; the water inlet pipe and the water outlet pipe are respectively communicated with two sides of the water meter main body; the electronic component shell is connected to the water meter main body; the water inlet pipe penetrates through the electronic element shell; the electronic element shell is internally used for arranging electronic elements; a main body bin communicated with the water inlet pipe and the water outlet pipe is arranged in the water meter main body; the fireproof and high-temperature-resistant intelligent water meter provided by the invention has excellent cooling capacity, can effectively cool the electronic element of the intelligent water meter, and avoids operation faults caused by high temperature of the electronic element of the intelligent water meter.)

1. A fireproof and high-temperature-resistant intelligent water meter is characterized by comprising a water meter body and a blowing assembly; the water meter body comprises a water inlet pipe, an electronic element shell, a water meter main body and a water outlet pipe; the water inlet pipe and the water outlet pipe are respectively communicated with two sides of the water meter main body;

the electronic component shell is connected to the water meter main body; the water inlet pipe penetrates through the electronic element shell; the electronic element shell is internally used for arranging electronic elements; a main body bin communicated with the water inlet pipe and the water outlet pipe is arranged in the water meter main body;

the blowing assembly comprises a sleeve, a first bearing, a second bearing, an outer gear ring, a first motor, a supporting arm, a cross arm, a second motor, a rotating shaft and fan blades;

the sleeve is sleeved on the water inlet pipe and is close to the electronic element shell; the first bearing and the second bearing are coaxially embedded between the inner wall of the sleeve and the outer wall of the water inlet pipe, so that the sleeve is rotatably connected to the water inlet pipe;

the outer gear ring is coaxially and fixedly sleeved at one end of the sleeve far away from the electronic element shell; the first motor is used for driving the outer gear ring to rotate, so that the sleeve is driven to rotate;

the supporting arm is fixedly connected to the outer wall of the sleeve; the supporting arm is vertical to the central axis of the sleeve; the cross arm is connected to one side of the supporting arm facing the electronic component shell; the second motor is arranged on the cross arm; the output shaft of the second motor is coaxially and fixedly connected with the rotating shaft; the fan blades are fixedly sleeved on the rotating shaft.

2. A fire and high temperature resistant intelligent water meter as recited in claim 1, wherein said blower assembly further comprises a first worm and a mounting housing; the mounting shell comprises a first side plate, and a second side plate and a third side plate which are oppositely arranged; the first side plate is fixedly sleeved on the water inlet pipe;

the first side plate is positioned at one end of the sleeve far away from the electronic element shell; the first side plate is perpendicular to the central axis of the water inlet pipe; the second side plate and the third side plate are respectively connected to two sides of the first side plate;

two ends of the first worm rotatably penetrate through the second side plate and the third side plate; the first worm is meshed with the outer gear ring; the first motor is fixedly connected to one side wall of the third side plate, which is far away from the sleeve; and the output shaft of the first motor is coaxially and fixedly connected with the first worm.

3. The fire and high temperature resistant intelligent water meter of claim 2, wherein the first side plate, the second side plate and the third side plate are rectangular; and the second side plate and the third side plate are both perpendicular to the first side plate.

4. A fire and heat resistant intelligent water meter as recited in claim 2, wherein said mounting housing further comprises oppositely disposed fourth and fifth side panels; the fourth side plate is parallel to the fifth side plate; two sides of the fourth side plate are respectively connected to the second side plate and the third side plate; and two sides of the fifth side plate are respectively connected to the second side plate and the third side plate.

5. A fire and high temperature resistant intelligent water meter as recited in claim 2, wherein said mounting housing further comprises a sixth side plate; the sixth side plate is right opposite to the first side plate; the sixth side plate is provided with a through hole; the sleeve is movably arranged through the through hole.

6. A fire and high temperature resistant intelligent water meter as claimed in claim 1, wherein said water meter body further comprises heat dissipating fins; the radiating fins are metal radiating fins; the radiating fins are connected to the electronic element shell; the number of the radiating fins is multiple; the radiating fins are circumferentially distributed on the outer surface of the electronic element shell.

7. The intelligent fire and high temperature water meter of claim 6, wherein each of the heat dissipating fins is coplanar with the central axis of the water inlet pipe.

8. A fire and high temperature resistant intelligent water meter as claimed in claim 1, further comprising a shaking head assembly; the oscillating assembly comprises a motor base, a second worm, a gear, a first fixing rod, a second fixing rod and a connecting rod;

one end of the connecting rod is hinged to one side surface of the cross arm facing the electronic component shell; the other end of the connecting rod is hinged to the eccentric position of the gear;

the second motor is fixedly connected to the motor base; one end of the first fixing rod is connected to the motor base; the other end of the first fixing rod is hinged to one side surface of the cross arm facing the electronic component shell; one end of the second fixing rod is connected to the motor base; the gear is rotatably connected to the other end of the second fixing rod;

the second motor is a motor with double output shafts; an output shaft of the second motor, which is far away from the cross arm, is coaxially and fixedly connected with the rotating shaft; an output shaft of the second motor, which is close to the cross arm, is coaxially and fixedly connected with the second worm; the second worm is meshed with the gear; the second fixing rod and the connecting rod are respectively positioned on two sides of the gear.

9. A fire and heat resistant intelligent water meter as recited in claim 8, wherein said first retaining bar and said second retaining bar are parallel to each other.

10. A fire and heat resistant intelligent water meter as recited in any one of claims 1-9, wherein said first bearing and said second bearing are located adjacent to respective ends of said sleeve; the first bearing is closer to the electronics housing than the second bearing; the second bearing is adjacent the outer ring gear.

Technical Field

The invention relates to the technical field of water meters, in particular to a fireproof and high-temperature-resistant intelligent water meter.

Background

The intelligent water meter is a novel water meter which comprises a modern microelectronic technology, a modern sensing technology and an intelligent IC card technology and can measure the water consumption and carry out water consumption data transmission and settlement transaction; compared with the traditional water meter which only has the functions of flow acquisition and water consumption display of a mechanical pointer, the water meter has more perfect functions.

The intelligent water meter can record and electronically display the water consumption, can control the water consumption according to convention, automatically complete water fee calculation of the stepped water price, and can also perform functions of water consumption data storage and the like.

The existing intelligent water meter is mostly directly installed outdoors, and because the existing intelligent water meter does not have the cooling capacity, the temperature of the water meter can be rapidly increased when the water meter is exposed to the sun in summer; and a plurality of electronic components are arranged inside the intelligent water meter, and the electronic components are easy to cause operation failure due to high temperature.

Disclosure of Invention

The invention mainly aims to provide a fireproof and high-temperature-resistant intelligent water meter, and aims to solve the problem that an electronic element in the intelligent water meter is easy to have operation failure because the existing intelligent water meter does not have the cooling capacity.

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

a fireproof and high-temperature-resistant intelligent water meter comprises a water meter body and a blowing assembly; the water meter body comprises a water inlet pipe, an electronic element shell, a water meter main body and a water outlet pipe; the water inlet pipe and the water outlet pipe are respectively communicated with two sides of the water meter main body;

the electronic component shell is connected to the water meter main body; the water inlet pipe penetrates through the electronic element shell; the electronic element shell is internally used for arranging electronic elements; a main body bin communicated with the water inlet pipe and the water outlet pipe is arranged in the water meter main body;

the blowing assembly comprises a sleeve, a first bearing, a second bearing, an outer gear ring, a first motor, a supporting arm, a cross arm, a second motor, a rotating shaft and fan blades;

the sleeve is sleeved on the water inlet pipe and is close to the electronic element shell; the first bearing and the second bearing are coaxially embedded between the inner wall of the sleeve and the outer wall of the water inlet pipe, so that the sleeve is rotatably connected to the water inlet pipe;

the outer gear ring is coaxially and fixedly sleeved at one end of the sleeve far away from the electronic element shell; the first motor is used for driving the outer gear ring to rotate, so that the sleeve is driven to rotate;

the supporting arm is fixedly connected to the outer wall of the sleeve; the supporting arm is vertical to the central axis of the sleeve; the cross arm is connected to one side of the supporting arm facing the electronic component shell; the second motor is arranged on the cross arm; the output shaft of the second motor is coaxially and fixedly connected with the rotating shaft; the fan blades are fixedly sleeved on the rotating shaft.

Preferably, the blowing assembly further comprises a first worm and a mounting housing; the mounting shell comprises a first side plate, and a second side plate and a third side plate which are oppositely arranged; the first side plate is fixedly sleeved on the water inlet pipe;

the first side plate is positioned at one end of the sleeve far away from the electronic element shell; the first side plate is perpendicular to the central axis of the water inlet pipe; the second side plate and the third side plate are respectively connected to two sides of the first side plate;

two ends of the first worm rotatably penetrate through the second side plate and the third side plate; the first worm is meshed with the outer gear ring; the first motor is fixedly connected to one side wall of the third side plate, which is far away from the sleeve; and the output shaft of the first motor is coaxially and fixedly connected with the first worm.

Preferably, the first side plate, the second side plate and the third side plate are all rectangular; and the second side plate and the third side plate are both perpendicular to the first side plate.

Preferably, the mounting housing further comprises a fourth side plate and a fifth side plate which are oppositely arranged; the fourth side plate is parallel to the fifth side plate; two sides of the fourth side plate are respectively connected to the second side plate and the third side plate; and two sides of the fifth side plate are respectively connected to the second side plate and the third side plate.

Preferably, the mounting housing further comprises a sixth side plate; the sixth side plate is right opposite to the first side plate; the sixth side plate is provided with a through hole; the sleeve is movably arranged through the through hole.

Preferably, the water meter body further comprises a radiating fin; the radiating fins are metal radiating fins; the radiating fins are connected to the electronic element shell; the number of the radiating fins is multiple; the radiating fins are circumferentially distributed on the outer surface of the electronic element shell.

Preferably, each of the heat dissipation fins is coplanar with the central axis of the water inlet pipe.

Preferably, the device also comprises a shaking head assembly; the oscillating assembly comprises a motor base, a second worm, a gear, a first fixing rod, a second fixing rod and a connecting rod;

one end of the connecting rod is hinged to one side surface of the cross arm facing the electronic component shell; the other end of the connecting rod is hinged to the eccentric position of the gear;

the second motor is fixedly connected to the motor base; one end of the first fixing rod is connected to the motor base; the other end of the first fixing rod is hinged to one side surface of the cross arm facing the electronic component shell; one end of the second fixing rod is connected to the motor base; the gear is rotatably connected to the other end of the second fixing rod;

the second motor is a motor with double output shafts; an output shaft of the second motor, which is far away from the cross arm, is coaxially and fixedly connected with the rotating shaft; an output shaft of the second motor, which is close to the cross arm, is coaxially and fixedly connected with the second worm; the second worm is meshed with the gear; the second fixing rod and the connecting rod are respectively positioned on two sides of the gear.

Preferably, the first fixing bar and the second fixing bar are parallel to each other.

Preferably, the first bearing and the second bearing are respectively close to two ends of the sleeve; the first bearing is closer to the electronics housing than the second bearing; the second bearing is adjacent the outer ring gear.

Compared with the prior art, the invention at least has the following beneficial effects:

the fireproof and high-temperature-resistant intelligent water meter has excellent cooling capacity, can effectively cool electronic elements of the intelligent water meter, and avoids operation faults caused by high temperature of the electronic elements of the intelligent water meter; the specific working principle is as follows: when summer or temperature is high, the first motor is started, the first motor drives the outer gear ring to rotate, so that the sleeve is driven to rotate, the supporting arm is driven to rotate, the cross arm rotates around the electronic component shell, meanwhile, the second motor is started, the second motor drives the fan blades to rotate, wind blown out by the fan blades blows the electronic component shell, and therefore heat dissipated by the electronic component shell is taken away, and the electronic component shell is cooled; meanwhile, the cross arm rotates around the electronic component shell, so that the fan blades can rotate around the electronic component shell while blowing air, and multi-angle omnibearing heat dissipation and cooling of the electronic component shell are achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a fireproof and high-temperature-resistant intelligent water meter according to the invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is an enlarged schematic view of a portion B in fig. 1.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				110	Water inlet pipe	120	Electronic component casing
130	Water meter main body	140	Water outlet pipe
				150	Radiating fin	210	Sleeve pipe
220	Mounting housing	221	First side plate
				222	Second side plate	223	Third side plate
224	The fourth side plate	225	The fifth sideBoard
				226	Sixth side plate	230	First motor
240	Second bearing	250	External gear ring
				260	First worm	227	Through hole
310	Support arm	320	Cross arm
				330	Water tank	340	Water pump
350	Water delivery pipe	360	Spray head
				410	Motor base	420	Second electric machine
430	Rotating shaft	440	Fan blade
				450	First fixed link	460	Second worm
470	Gear wheel	480	Second fixing rod
				490	Connecting rod	510	Arc-shaped plate
520	Arc-shaped groove	530	Sliding column
				540	Limiting plate

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a fireproof and high-temperature-resistant intelligent water meter.

Referring to fig. 1 to fig. 3, in an embodiment of a fireproof and high temperature-resistant intelligent water meter (hereinafter, referred to as an intelligent water meter) provided by the present invention, the intelligent water meter includes a water meter body and a blowing assembly; the water meter body comprises a water inlet pipe 110, an electronic element shell 120, a water meter body 130 and a water outlet pipe 140; the water inlet pipe 110, such as the water outlet pipe 140, is respectively connected to both sides of the water meter body 130.

Electronics housing 120 is connected to water meter body 130; the water inlet pipe 110 penetrates through the electronic component housing 120; the inside of the electronic component housing 120 is used to set electronic components (e.g., a sensor for detecting the amount of water and a communication element for transmitting data); the water meter main body 130 is provided therein with a main body chamber communicated with the water inlet pipe 110 and the water outlet pipe 140, which is the existing structure of the intelligent water meter and will not be described again.

The blowing assembly includes a sleeve 210, a first bearing (not shown), a second bearing 240, an outer gear ring 250, a first motor 230, a support arm 310, a cross arm 320, a second motor 420, a rotating shaft 430 and fan blades 440;

the sleeve 210 is sleeved on the water inlet pipe 110 and close to the electronic element shell 120; a first bearing and a second bearing 240 are coaxially embedded between the inner wall of the sleeve 210 and the outer wall of the water inlet pipe 110, and the first bearing and the second bearing 240 share a central axis with the water inlet pipe 110, so that the sleeve 210 is rotatably connected to the water inlet pipe 110.

The outer gear ring 250 is coaxially fixed to one end of the sleeve 210 away from the electronic component housing 120; the first motor 230 is used to drive the outer gear ring 250 to rotate, thereby driving the sleeve 210 to rotate.

The supporting arm 310 is fixedly connected to the outer wall of the sleeve 210; support arm 310 is perpendicular to the central axis of sleeve 210; the cross arm 320 is connected to a side of the support arm 310 facing the electronic component housing 120; the second motor 420 is arranged on the cross arm 320; an output shaft of the second motor 420 is coaxially and fixedly connected with a rotating shaft 430; the fan 440 is fixedly secured to the shaft 430.

The fireproof and high-temperature-resistant intelligent water meter has excellent cooling capacity, can effectively cool electronic elements of the intelligent water meter, and avoids operation faults caused by high temperature of the electronic elements of the intelligent water meter; the specific working principle is as follows: when summer or temperature is high, the first motor 230 is started, the first motor 230 drives the outer gear ring 250 to rotate, so that the sleeve 210 is driven to rotate, the supporting arm 310 is driven to rotate, the cross arm 320 rotates around the electronic component shell 120, meanwhile, the second motor 420 is started, the second motor 420 drives the fan blades 440 to rotate, wind blown out by the fan blades 440 blows the electronic component shell 120, and therefore heat emitted by the electronic component shell 120 is taken away, and the electronic component shell 120 is cooled; meanwhile, since the cross arm 320 rotates around the electronic component housing 120, the fan blade 440 can also rotate around the electronic component housing 120 while blowing air, thereby achieving multi-angle and all-directional heat dissipation and cooling of the electronic component housing 120.

In addition, the blowing assembly further includes a first worm 260 and a mounting case 220; the mounting case 220 includes a first side plate 221, and a second side plate 222 and a third side plate 223 disposed oppositely; the first side plate 221 is fixedly sleeved on the water inlet pipe 110.

The first side plate 221 is located at an end of the casing 210 away from the electronic component housing 120; the first side plate 221 is perpendicular to the central axis of the water inlet pipe 110; the second and third side plates 222 and 223 are respectively connected to both sides of the first side plate 221, and the second and third side plates 222 and 223 are respectively located at both sides of the casing 210.

Both ends of the first worm 260 are rotatably arranged on the second side plate 222 and the third side plate 223; the first worm 260 is meshed with the outer gear ring 250, and the first worm 260 is perpendicular to the central axis of the outer gear ring 250; the first motor 230 is fixedly connected to a side wall of the third side plate 223 far away from the sleeve 210; the output shaft of the first motor 230 is coaxially and fixedly connected to the first worm 260.

Through the technical scheme, the structure that the first motor 230 drives the outer gear ring 250 to rotate is perfected, the worm-driven speed reduction and torque increase effect is good, and the stability is high.

Meanwhile, the first side plate 221, the second side plate 222 and the third side plate 223 are all rectangular; and the second side plate 222 and the third side plate 223 are perpendicular to the first side plate 221.

In addition, the mounting case 220 further includes a fourth side plate 224 and a fifth side plate 225 disposed oppositely; the fourth side panel 224 is parallel to the fifth side panel 225; both sides of the fourth side plate 224 are connected to the second side plate 222 and the third side plate 223, respectively; both sides of the fifth side plate 225 are connected to the second side plate 222 and the third side plate 223, respectively.

The second side plate 222 and the third side plate 223 are both vertically arranged, and the fourth side plate 224 and the fifth side plate 225 are both horizontally arranged; the mounting housing 220 further includes a sixth side plate 226; the sixth side plate 226 is directly opposite to the first side plate 221; the first side plate 221 and the sixth side plate 226 are both vertically arranged; the sixth side plate 226 is provided with a through hole 227; the sleeve 210 is movably disposed through the through hole 227.

Through the technical scheme, the structure of the mounting shell 220 of the intelligent water meter is perfected, so that the working stability of the intelligent water meter is improved.

In addition, the water meter body further comprises heat radiating fins 150; the heat dissipation fins 150 are metal heat dissipation fins 150; the heat dissipation fins 150 are connected to the electronic component housing 120; the number of the heat radiating fins 150 is plural; the heat dissipation fins 150 are circumferentially distributed around the outer surface of the electronic component housing 120.

By providing the heat dissipating fins 150, it is more convenient to dissipate the heat generated by the electronic components inside the electronic component housing 120.

Meanwhile, each of the heat dissipating fins 150 is coplanar with the central axis of the water inlet pipe 110. This arrangement is more advantageous for heat dissipation.

In addition, the intelligent water meter also comprises a shaking head assembly; the head shaking assembly comprises a motor mount 410, a second worm 460, a gear 470, a first fixing lever 450, a second fixing lever 480 and a connecting rod 490.

One end of the link 490 is hinged to a side of the cross arm 320 facing the electronic component housing 120; the other end of the link 490 is hinged to the eccentric of the gear 470.

The second motor 420 is fixedly connected to the motor base 410, the motor base 410 is tubular, and the second motor 420 is fixedly embedded in the motor base 410; one end of the first fixing rod 450 is fixedly connected to the motor base 410; the other end of the first fixing lever 450 is hinged to a side of the cross arm 320 facing the electronic component housing 120; one end of the second fixing rod 480 is fixedly connected to the motor base 410; the gear 470 is rotatably connected to the other end of the second fixing lever 480.

The second motor 420 is a dual output shaft motor; an output shaft of the second motor 420 far away from the cross arm 320 is coaxially and fixedly connected with a rotating shaft 430; the output shaft of the second motor 420 close to the cross arm 320 is coaxially and fixedly connected with a second worm 460; the second worm 460 and the gear 470 are engaged; the second fixing lever 480 and the link 490 are respectively positioned at both sides of the gear 470.

Through the above technical solution, the second motor 420 can rotate around the hinge point of the first fixing rod 450 and the cross arm 320 in a reciprocating manner, and the specific working principle is as follows: as shown in fig. 3, after the second motor 420 is started, the second worm 460 is driven to rotate, so that the driving gear 470 rotates, and under the hinge action of the connecting rod 490, the motor base 410 rotates around the hinge point of the first fixing rod 450 and the cross arm 320, so that the second motor 420 rotates around the hinge point of the first fixing rod 450 and the cross arm 320, and the blowing range of the fan blade 440 is expanded, thereby improving the blowing and heat dissipation effects of the fan blade 440 on the electronic component housing 120.

Meanwhile, the first fixing rod 450 and the second fixing rod 480 are parallel to each other, so that the arrangement structure is more perfect and reasonable. The blowing assembly further includes an arc-shaped plate 510; the arc-shaped plate 510 is connected to a side of the cross arm 320 near the electronic component housing 120; the arc-shaped plate 510 is parallel to the rotating surface of the motor base 410; the arc-shaped plate 510 is provided with an arc-shaped groove 520; the arc groove 520 takes the hinge point of the first fixing rod 450 as the center of a circle; the motor base 410 is connected with a sliding column 530; the sliding column 530 is movably embedded in the arc-shaped groove 520; a limiting plate 540 is connected to one end of the sliding column 530 far away from the motor base 410; the stopper plate 540 serves to prevent the strut 530 from being disengaged from the arc groove 520.

Through above-mentioned technical scheme, through setting up arc 510 and arc wall 520, and then carry on spacingly to the rotation of motor cabinet 410 for whole motor cabinet 410 is more firm when rotating, thereby promotes the practicality of this intelligent water gauge.

In addition, the first and second bearings 240 are respectively close to both ends of the sleeve 210; the first bearing is closer to the electronics housing than the second bearing 240; the second bearing 240 is adjacent the outer gear ring 250. The arrangement is such that the structure of the sleeve 210 rotatably connected to the water inlet pipe 110 is more perfect and reasonable.

Meanwhile, the intelligent water meter also comprises a water spraying assembly, wherein the water spraying assembly comprises a water tank 330, a spray head 360, a water conveying pipe 350 and a water pump 340; the water inlet end of the water pump 340 is communicated with the water tank 330; the water tank 330 is used for storing water; the water tank 330 is fixedly attached to a side of the support arm 310 opposite the cross arm 320.

The number of the water pipes 350 and the number of the nozzles 360 are both multiple (in this embodiment, 3); the number of the water delivery pipes 350 is consistent with that of the spray heads 360; the water delivery pipes 350 correspond to the nozzles 360 one by one; one end of each water pipe 350 is connected to the water outlet end of the water pump 340; the other end of each water pipe 350 is communicated with a corresponding spray head 360; the nozzle 360 is disposed on the supporting arm 310, and the spraying direction of the nozzle 360 faces the electronic device housing 120.

By the technical scheme, after the water pump 340 is started, the water pump 340 can pump out the water in the water tank 330 and spray the water out of the water tank through the spray head 360 to be sprayed on the electronic element shell 120, so that the temperature is reduced (the atomized water drops can take away heat); thereby further promote the heat dissipation cooling ability of this intelligent water gauge.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.