阅读说明：本技术 基于ev3编程系统的自动抄水表系统及其方法 (Automatic water meter reading system and method based on EV3 programming system ) 是由 彭建盛 吴佶松 于 2019-11-28 设计创作，主要内容包括：本发明公开了一种基于EV3编程系统的自动抄水表系统及其方法。一方面本发明提供了一种基于EV3编程系统的自动抄水表系统,包括支架和设置于支架上的机械水表,所述机械水表的初始转针与一转动引出机械水表的引出转轴连接,所述引出转轴与机械水表初始转针连接端的相对另一端和一第一传动齿轮组连接,所述第一传动齿轮组与的减速结构,所述减速结构与旋转角度检测装置连接,从而通过减速结构和旋转角度检测装置形成比例减速测速结构,所述旋转角度检测装置与一EV3主机信号连接。另一方面,本发明提供了一种基于EV3编程系统的自动抄水表方法。通过本发明能够有效节省成本,降低劳动强度,提高工作效率。(The invention discloses automatic water meter reading systems based on EV3 programming systems and a method thereof. the invention provides automatic water meter reading systems based on EV3 programming systems, which comprises a bracket and a mechanical water meter arranged on the bracket, wherein an initial rotating needle of the mechanical water meter is connected with a leading-out rotating shaft which leads out the mechanical water meter by rotation, the leading-out rotating shaft is connected with another end of the initial rotating needle connecting end of the mechanical water meter and a transmission gear set of , the transmission gear set is connected with a deceleration structure, the deceleration structure is connected with a rotation angle detection device, so that a proportional deceleration speed measurement structure is formed by the deceleration structure and the rotation angle detection device, the rotation angle detection device is in signal connection with an EV 3 host computer, and in another aspect, the invention provides automatic water meter reading methods based on the EV3 programming systems.)

The automatic water meter reading system based on the EV3 programming system comprises a support (1) and a mechanical water meter (2) arranged on the support (1), and is characterized in that an initial rotating needle of the mechanical water meter (2) is connected with a leading-out rotating shaft (3) which is used for leading the rotation of the mechanical water meter (2) out of the mechanical water meter (2) through , the leading-out rotating shaft (3) is connected with another end and an -th transmission gear set (4) of the initial rotating needle connecting end of the mechanical water meter (2), the 7-th transmission gear set (4) and are used for reducing the rotating speed of the mechanical water meter (2) so as to reduce a speed reducing structure (6) influencing the rotation of the mechanical water meter (2), the speed reducing structure (6) is connected with a rotating angle detection device (7) for detecting a rotating angle, the speed reducing structure (6) and the rotating angle detection device (7) are both arranged in the support (1) and are connected with the support (1), so that a speed measuring structure (6) and the rotating angle detection device (7) and a speed reducing structure (355639) and a speed detection device (3) are connected with a speed reduction host (368).

2. The automatic water meter reading system based on EV3 programming system of claim 1, characterized in that, the extraction pivot (3) is connected with two sets of the same ratio speed reduction and speed measurement structures through the th transmission gear set (4), two sets of ratio speed reduction and speed measurement structures are symmetrically arranged on both sides of the extraction pivot (3), the th transmission gear set (4) includes three gears respectively arranged on the extraction pivot (3) and the two speed reduction structures (6), the gears on the extraction pivot (3) are respectively engaged with the gears on the two speed reduction structures (6).

3. The automatic copy water meter system based on EV3 programming system of claim 2, characterized in that, the deceleration structure (6) includes a housing (61), a turbine case (62) installed in the housing (61) and a three-stage deceleration structure (63) arranged in the housing (61), the turbine case (62) is provided with a turbine connecting rod (621) and a turbine rotating gear (622) engaged with the turbine connecting rod (621), the end of the turbine connecting rod (621) extends out of the housing (61) and is connected with the -th gear of the -th transmission gear set (4), the turbine rotating gear (622) is engaged with the three-stage deceleration structure (63), and the three-stage deceleration structure (63) is connected with the rotation angle detection device (7).

4. automatic water meter reading system based on EV3 programming system, characterized in that, the three-stage speed reducing structure (63) includes the speed reducing gear set (631) meshing with the turbine rotation gear (622), the second speed reducing gear set (632) connecting with the speed reducing gear set (631) through the speed reducing connecting rod (634), and the third speed reducing gear set (633) connecting with the second speed reducing gear set (632) through the second speed reducing connecting rod (635), the third speed reducing gear set (633) connecting with the rotation angle detecting device (7) through the third speed reducing connecting rod (636), the speed reducing gear set (631), the second speed reducing gear set (632), and the third speed reducing gear set (633) respectively have two gear components meshing for speed reducing ratio adjustment, two gears of the speed reducing gear set (631) connecting with the turbine rotation gear (622) and the ), two gears of the second gear set () connecting rod (634) and the second speed reducing connecting rod (635), and two gears of the second speed reducing gear set (636) connecting rod (636) connecting with the third speed reducing gear set (636).

5. The automatic meter reading system based on EV3 programming system of claim 1 or 2, characterized in that, the rotation angle detection device (7) is a servo motor for measuring the rotation angle.

6. The automatic meter reading system based on EV3 programming system of claim 5, characterized in that, set up the fixed plate (21) for fixing the angle of rotation detection device (7) on the said support (1), there is the second fixed plate (5) for drawing spindle (3) and turbine connecting rod (621) to support between the lower extreme of two said angle of rotation detection devices (7).

7, automatic water meter reading method based on EV3 programming system according to the system of claim 1, characterized in that the method comprises the following steps:

step 1, connecting a mechanical water meter (2) with a water pipe, and starting an EV3 host (8) to work;

step 2, the rotation angle detection device (7) detects and obtains the rotation angle of the mechanical water meter (2) through the speed reduction structure (6) and sends the rotation angle to the EV3 host (8) in real time to calculate the rotation speed according to the speed reduction multiple of the speed reduction structure (6);

and 3, calculating the water charge in real time by the EV3 host (8) according to the set charge calculation mode and the measured rotating speed of the mechanical water meter (2).

8, automatic meter reading method based on EV3 programming system according to the system of claim 7, characterized in that, in step 2, the deceleration multiple of the deceleration structure (6) is 333.3 times.

An automatic meter reading method based on an EV3 programming system according to the system of claim 7 in 9, , characterized in that in step 2, the EV3 host computer (8) averages the measurement signals of two rotation angle detection devices (7).

10, automatic meter reading method based on EV3 programming system according to the system of claim 7, characterized in that, in step 3, the set fee calculation mode is to charge the water consumption by three stages.

Technical Field

The invention belongs to the field of water meter reading, and particularly relates to automatic water meter reading systems based on EV3 programming systems, and automatic water meter reading methods based on EV3 programming systems.

Background

Along with the continuous development of national economic level, the living level of people is improved by steps, and the intelligent demand on basic living facilities is also improved, water is closely related to our life, a tap water company needs to send a large number of workers to copy water meters every month, the situations of less copying, wrong copying, estimated copying, flying copying, missing copying, people's condition copying and the like inevitably occur in the traditional process of copying water meters manually, so that the workload of a waterworks company is increased, economic loss is caused, unnecessary troubles are brought to users, various defects of copying water meters manually are avoided, the intelligent automatic water meter copying is carried out at the right moment, and the water consumption of the users can be monitored to find the situations of running, dripping, leaking and the like.

At present, the application of the traditional mechanical water meter is quite , and if the traditional mechanical water meter is replaced, the cost of a company is greatly increased, therefore, in order to solve the problem that the traditional mechanical water meter needs to be replaced in the process of intelligently reading the water meter, the cost of replacing an old water meter is reduced, the manufacture of intelligent water meters capable of reading data on the basis of the traditional mechanical water meter is an important way for solving the problem, and the generated economic benefit cannot be estimated.

Disclosure of Invention

of the invention is to provide automatic water meter reading systems based on EV3 programming systems, which can effectively save cost, reduce labor intensity and improve working efficiency.

The second purpose of the present invention is to provide control methods of the above system.

To achieve the purpose of , the invention provides automatic water meter reading systems based on EV3 programming systems, which comprise a bracket and a mechanical water meter arranged on the bracket, wherein an initial rotating needle of the mechanical water meter is connected with a leading-out rotating shaft used for leading the rotation of the mechanical water meter out of the mechanical water meter, the leading-out rotating shaft is connected with the other end of the connecting end of the initial rotating needle of the mechanical water meter and a transmission gear set, the transmission gear set is connected with a deceleration structure used for decelerating the rotating speed of the mechanical water meter so as to reduce the influence on the rotation of the mechanical water meter, the deceleration structure is connected with a rotating angle detection device used for detecting a rotating angle, the deceleration structure and the rotating angle detection device are both arranged in the bracket and connected with the bracket, so that a proportional deceleration speed measurement structure is formed by the deceleration structure and the rotating angle detection device, and the rotating angle detection device are in signal.

Preferably, the leading-out rotating shaft is connected with two groups of same proportional speed reduction and speed measurement structures through an -th transmission gear set, the two groups of proportional speed reduction and speed measurement structures are symmetrically arranged on two sides of the leading-out rotating shaft, the -th transmission gear set comprises three gears which are respectively arranged on the leading-out rotating shaft and the two speed reduction structures, and the gears on the leading-out rotating shaft are respectively meshed with the gears on the two speed reduction structures.

Preferably, the speed reduction structure comprises a housing, a turbine box installed in the housing and a three-stage speed reduction structure arranged in the housing, wherein the turbine box is provided with a turbine connecting rod and a turbine rotating gear engaged with the turbine connecting rod, the end of the turbine connecting rod extends out of the housing and is connected with the gear of the transmission gear set, the turbine rotating gear is engaged with the three-stage speed reduction structure, and the three-stage speed reduction structure is connected with the rotation angle detection device.

Preferably, the third reduction structure includes speed reduction gear set engaged with the turbine rotation gear, a second speed reduction gear set connected with speed reduction gear set through speed reduction connecting rod and a third speed reduction gear set connected with the second speed reduction gear set through the second speed reduction connecting rod, the third speed reduction gear set is connected with the rotation angle detection device through the third speed reduction connecting rod, speed reduction gear set, the second speed reduction gear set and the third speed reduction gear set respectively have two gears engaged for speed reduction ratio adjustment to constitute, speed reduction gear set's two gears are connected with turbine rotation gear and speed reduction connecting rod respectively, two gears of the second speed reduction gear set are connected with speed reduction connecting rod and second speed reduction connecting rod respectively, and two gears of the third speed reduction gear set are connected with second speed reduction connecting rod and third speed reduction connecting rod respectively.

Preferably, the rotation angle detection device is a servo motor for measuring the rotation angle.

Preferably, the bracket is provided with a th fixing plate for fixing the rotation angle detection device, and a second fixing plate for supporting the leading-out rotating shaft and the turbine connecting rod is arranged between the lower ends of the two rotation angle detection devices.

In order to achieve the second purpose, the invention provides automatic water meter reading methods based on an EV3 programming system, which comprise the following steps:

step 1, connecting a mechanical water meter with a water pipe, and starting an EV3 host to work;

step 2, the rotation angle detection device obtains the rotation angle of the mechanical water meter through the detection of the deceleration structure and sends the rotation angle to the EV3 host computer in real time to calculate the rotation speed according to the deceleration multiple of the deceleration structure;

and 3, calculating the water fee in real time by the EV3 host according to the set fee calculation mode and the measured rotating speed of the mechanical water meter.

Preferably, in step 2, the deceleration multiple of the deceleration structure is 333.3 times.

Preferably, in step 2, the EV3 master is averaged based on the measurement signals of the two rotation angle detection devices.

Preferably, in step 3, the set fee calculation mode is that the water consumption is charged in three stages in a sectional manner.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, on the basis of the mechanical water meter, the speed reduction structure and the rotation angle detection device are used for carrying out speed reduction test, and the EV3 host is used for carrying out rotation speed calculation, so that the cost can be effectively saved, the labor intensity is reduced, and the working efficiency is improved. According to the invention, two groups of proportional speed reduction and speed measurement structures are arranged to simultaneously measure the speed, and the EV3 host is used for calculating the average value, so that the measurement error caused by the speed reduction gear structure can be effectively reduced, and the measurement precision is improved. According to the invention, the set reduction multiple is formed on the reduction structure, so that the measurement error caused by the reduction gear structure can be effectively reduced, and the measurement precision is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the deceleration structure of the present invention.

Detailed Description

The following describes the technical solution of the present invention in detail in step with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.

As shown in fig. 1-2, the invention provides automatic water meter reading systems based on an EV3 programming system, which include a support 1 and a mechanical water meter 2 arranged on the support 1, an initial rotating needle of the mechanical water meter 2 is connected with a leading rotating shaft 3 for leading the rotation of the mechanical water meter 2 out of the mechanical water meter 2, the leading rotating shaft 3 is connected with another end of a connecting end of the initial rotating needle of the mechanical water meter 2 and a th transmission gear set 4 of , the th transmission gear set 4 is connected with a deceleration structure 6 for decelerating the rotation speed of the mechanical water meter 2 so as to reduce the influence on the rotation of the mechanical water meter 2, the deceleration structure 6 is connected with a rotation angle detection device 7 for detecting a rotation angle, the deceleration structure 6 and the rotation angle detection device 7 are both arranged in the support 1 and connected with the support 1, and a proportional deceleration speed detection structure is formed by the deceleration structure 6 and the rotation angle detection device 7, and the rotation angle detection device 7 is in signal connection with a.

The leading-out rotating shaft 3 is connected with two groups of same proportional speed reducing and measuring structures through an -th transmission gear set 4, the two groups of proportional speed reducing and measuring structures are symmetrically arranged at two sides of the leading-out rotating shaft 3, the -th transmission gear set 4 comprises three gears which are respectively arranged on the leading-out rotating shaft 3 and the two speed reducing structures 6, and the gears on the leading-out rotating shaft 3 are respectively meshed with the gears on the two speed reducing structures 6.

In this embodiment, the bracket 1 may be configured to seal the entire structure within its housing after attachment to the mechanical water meter 2. The EV3 host computer 8 is provided with the control button and starts and the zero clearing control, and EV3 host computer 8 is provided with the display screen and shows real-time rotational speed and water consumption. The rotation angle detection device 7 is signal-connected to the EV3 main unit 8 through a crystal joint. The speed reduction structure 6 and the rotation angle detection device 7 can effectively reduce the influence of the rotation of the motor and the rotation of the gear on the rotation of the mechanical water meter 2, and improve the measurement precision.

The speed reducing structure 6 comprises a shell 61, a turbine box 62 arranged in the shell 61 and a three-stage speed reducing structure 63 arranged in the shell 61, wherein the turbine box 62 is provided with a turbine connecting rod 621 and a turbine rotating gear 622 meshed with the turbine connecting rod 621, the end of the turbine connecting rod 621 extends out of the shell 61 and is connected with a gear of the transmission gear set 4, the turbine rotating gear 622 is meshed with the three-stage speed reducing structure 63, and the three-stage speed reducing structure 63 is connected with the rotation angle detecting device 7.

The three-stage speed reducing structure 63 includes a th speed reducing gear set 631 engaged with the turbine rotation gear 622, a second speed reducing gear set 632 connected with the th speed reducing gear set 631 through a th speed reducing connecting rod 634, and a third speed reducing gear set 633 connected with the second speed reducing gear set 632 through a second speed reducing connecting rod 635, the third speed reducing gear set 633 is connected with the rotation angle detecting device 7 through a third speed reducing connecting rod 636, the th speed reducing gear set 631, the second speed reducing gear set 632, and the third speed reducing gear set 633 are respectively composed of two gears engaged for speed reducing ratio adjustment, the two gears of the th speed reducing gear set 631 are respectively connected with the turbine rotation gear 622 and the th speed reducing connecting rod 634, the two gears of the second speed reducing gear set 632 are respectively connected with the th speed reducing connecting rod 634 and the second speed reducing connecting rod 635, and the two gears of the third speed reducing gear set 633 are respectively connected with the second speed reducing connecting.

The rotation angle detection device 7 is a servo motor for measuring the rotation angle, the bracket 1 is provided with an -th fixing plate 21 for fixing the rotation angle detection device 7, and a second fixing plate 5 for supporting the leading-out rotating shaft 3 and the turbine connecting rod 621 is arranged between the lower ends of the two rotation angle detection devices 7.

In the present embodiment, the reduction gear ratio of the turbine case 62 is 24:1, the th, second and third reduction gear sets 631, 632 and 633 are connected from top to bottom and the reduction gear ratios are 5:3, 3:1 and 5:3, respectively, and the turbine case 62 and the three-stage reduction structure 63 are fixed in the housing 61 by fixing blocks.

The invention also provides automatic water meter reading methods based on the EV3 programming system, which comprise the following steps:

step 1, connecting a mechanical water meter 2 with a water pipe, and starting an EV3 host 8 to work;

step 2, the rotation angle detection device 7 obtains the rotation angle of the mechanical water meter 2 through the detection of the deceleration structure 6 and sends the rotation angle to the EV3 host 8 in real time to calculate the rotation speed according to the deceleration multiple of the deceleration structure 6;

and 3, calculating the water charge in real time by the EV3 host machine 8 according to the set charge calculation mode and the measured rotating speed of the mechanical water meter 2.

In step 2, the deceleration structure 6 has a deceleration multiple of 333.3. In step 2, the EV3 master unit 8 averages the measurement signals from the two rotation angle detection devices 7.

In step 3, the set fee calculation mode is that water consumption is sectionally charged in three stages, the set fee calculation mode can be stage, the average water consumption is not more than 7m3, the water price per cubic meter is 2.27 yuan, the second stage, the average water consumption exceeds 7m3 but not more than 10m3, the water price per cubic meter is 3.41 yuan, and the third stage, the water consumption exceeds 10m3, and the water price per cubic meter is 4.54 yuan.

The foregoing is merely a preferred embodiment of the invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to limit the invention to other embodiments, and to various other combinations, modifications, and environments and may be modified within the scope of the inventive concept as expressed herein, by the teachings or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.