CN212110168U - Non-magnetic induction type water meter - Google Patents
Non-magnetic induction type water meter Download PDFInfo
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- CN212110168U CN212110168U CN202021314772.XU CN202021314772U CN212110168U CN 212110168 U CN212110168 U CN 212110168U CN 202021314772 U CN202021314772 U CN 202021314772U CN 212110168 U CN212110168 U CN 212110168U
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Abstract
The utility model relates to a water gauge technical field discloses a no magnetism induction type water gauge, which comprises a housin, the casing is the bellied casing in the upper and lower both sides of middle part, the both ends of casing are equipped with water inlet and delivery port respectively, the device chamber has been seted up on the upper portion of casing, the fixed axle that is equipped with in bottom in device chamber, the lower extreme of fixed axle rotates and is connected with fan-shaped dish, the lower extreme fixedly connected with sheetmetal of fan-shaped dish, the top of sheetmetal pointer is at the fixed induction coil that is equipped with in bottom in device chamber. The utility model discloses a divide the sector disc into the fan-shaped steel sheet more than two pairs to form the many bit coding that reflects fan-shaped sheetmetal pointer rotational position, because the coding refines, the rotational position that means the fan-shaped sheetmetal pointer that can listen refines more, can correspond a demonstration digit on the character wheel with a plurality of codes, through the judgement to the coding order, can accurately judge the liquid stream circumstances of flowing backwards, and judge the carry condition.
Description
Technical Field
The utility model relates to a water gauge technical field especially relates to a no magnetism induction type water gauge.
Background
The main metering devices of the magnetic induction water meter in the prior art comprise a fan-shaped metal sheet pointer rotating along with liquid flow, an induction coil and a character wheel set rotating along with the fan-shaped metal sheet pointer. When the liquid flows through the water meter, the fan-shaped metal sheet pointer is pushed to rotate, the character wheel is driven to rotate by the fan-shaped metal sheet pointer, and the character wheel reflects the real-time flow by arranging a torque conversion device between the fan-shaped metal sheet pointer and the character wheel group. For the electronic metering part, the magnetic field sensing device detects the rotating position of the fan-shaped metal sheet pointer, and encodes an electric signal formed by sensing to reflect the liquid flow condition, so as to calculate the volume of the liquid flowing through.
The fan-shaped metal sheet pointer rotating along with the liquid flow is only provided with two fan-shaped steel sheets, only 0 code and 1 code can be converted through magnetic induction signals, the formed rotating position codes are few, the accuracy of the corresponding character wheel metering reading is poor, the error is large, and when the backflow situation occurs, the actual situation is not easy to distinguish through the coded data; when a digit carry situation occurs, it is difficult to judge whether the carry should be carried or has already been carried through encoding due to the above-described problem of less encoding. Meanwhile, the situation that the pulse signals on the receiving sector disc of the induction coil are lost due to the fact that the installation height of the induction coil cannot be adjusted according to the actual situation occurs.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a no magnetism induction type water gauge, the utility model discloses a fan-shaped dish divides out fan-shaped steel sheet more than two pairs to form the many bit codes that reflect fan-shaped dish rotational position, because the code refines, the rotational position that means the fan-shaped steel sheet that can listen refines more, can correspond a demonstration digit on the character wheel with a plurality of codes, through the judgement to the coding order, can accurately judge the liquid stream situation of flowing backwards to and judge the carry condition.
The utility model discloses an above-mentioned technical problem is solved to following technical means:
the utility model discloses a non-magnetic induction type water meter, which comprises a shell, wherein the shell is a shell with a middle part protruding upwards and downwards, a water inlet and a water outlet are respectively arranged at two ends of the shell, a device cavity is arranged at the upper part of the shell, a fixed shaft is fixedly arranged at the bottom of the device cavity, the lower end of the fixed shaft is rotatably connected with a fan-shaped disc, the lower end of the fan-shaped disc is fixedly connected with a metal sheet, an induction coil is fixedly arranged at the bottom of the device cavity above the fan-shaped disc, the induction coil penetrates through the device cavity and is fixedly connected with an information conversion device in the device cavity, an MCU processor, a first data output port and a second data output port are also arranged in the device cavity, a display panel is arranged at the top surface of the device cavity, a data display window and a revolution meter are arranged on the display panel, and the, the output end of the MCU processor is respectively connected with the input ends of the first data output port and the second data output port, the output end of the MCU processor is respectively connected with the data display window and the revolution meter, and more than two pairs of fan-shaped steel sheets are arranged on the fan-shaped disc. The display panel is provided with a signal sensing unit, the signal sensing unit is provided with a signal sensing unit output port, and the signal sensing unit is connected with the output end of the MCU processor. The utility model discloses divide the sector disc into the fan-shaped steel sheet more than two pairs to this rotatory a week produces the signal of telecommunication more than two pairs, for example N1S1 is right and N2S2 is right, and specific division method is to piecing together into whole sector disc with the fan-shaped steel sheet. When the fan-shaped disc rotates for one circle, the induction coil detects that 00 codes representing N1 poles and 01 codes representing S1 poles, 10 codes representing N2 poles and 11 codes representing S2 poles can be formed, the rotating position of the fan-shaped steel sheet is reflected by two-bit codes, and the precision is improved by two times. If more fan-shaped steel sheet pairs are arranged, the number of formed codes is more, the rotating position of the fan-shaped steel sheets can be reflected more finely, and the reading precision is further improved. In addition, the sequence of the codes can reflect the rotation direction of the fan-shaped steel sheet, once the situation of liquid flow reversal occurs, the fan-shaped steel sheet is reversed, the situation that the codes do not occur in sequence can occur, the liquid flow reversal problem can be quickly found by detecting the situation through the data MCU processor, and the data is reported to be correspondingly processed. The coding conditions before and after the current coding are found out through the coding sequence, and then the data MCU processor can analyze whether the carry is carried out or the current counting is kept, so that the problem of carry interpretation is effectively solved. Meanwhile, by adding the signal induction unit, when the device runs, the signal induction unit is connected with the external signal equipment to acquire the signal intensity of the induction coil, so that the installation height of the induction coil is adjusted, and the phenomenon that the pulse signal on the induction coil receiving sector disc is lost due to the fact that the installation height of the induction coil cannot be adjusted according to actual conditions in the traditional method is avoided. The intensity of the pulse signal is detected by the signal detection unit, so that the reasonable height of the gap for installing the induction coil is judged.
Furthermore, the metal sheet is arranged concentrically and vertically with the sector disc in the vertical direction. The number of the metal sheets is more than two. More codes reflecting the rotating positions of the fan-shaped steel sheets are formed by dividing more than two pairs of fan-shaped steel sheets on one fan-shaped disc, so that the detection result is more precise, and the electronic reading result is more accurate; the steering of the fan-shaped steel sheet can be accurately judged through the detection sequences of a plurality of codes, so that the flow direction of the liquid flow can be accurately judged, and the counting data is prevented from being influenced by the inversion of the liquid flow; by adding the codes, more accurate basis can be provided for carry judgment, and the problem of carry interpretation is effectively solved.
Further, the first data output port and the second data output interface are RS485 or M-BUS or wireless LORA or NB-IOT internet of things transmission interfaces.
Furthermore, the first data output port and the second data output port are both arranged on the surface of the shell in a protruding mode.
The utility model has the advantages that: the magnetic wheel disc is divided into more than two pairs of signal pairs, so that a multi-bit code reflecting the rotating position of the fan-shaped steel disc is formed, the rotating position of the detectable fan-shaped steel disc is more refined due to the thinning of the code, a plurality of codes can be used for corresponding to one display digit on the character wheel, and the liquid flow backflow situation and the carry situation can be accurately judged by judging the coding sequence.
Drawings
Fig. 1 is a schematic view of the overall structure of a non-magnetic induction water meter according to the present invention;
FIG. 2 is a schematic structural view of the fan-shaped tray surface of the present invention;
wherein: the device comprises a shell 1, a water inlet 10, a device cavity 11, a first data output port 12, a second data output port 13, a display panel 14, a data display window 141, a revolution meter 142, a fixed shaft 2, an induction coil 3, an information conversion device 15, an MCU (microprogrammed control unit) processor 16, a sector disc 4, a sheet metal shaft 41, a sheet metal 42, a signal induction unit 5 and a signal induction unit output port 51.
Detailed Description
The invention will be described in detail with reference to the following drawings and specific embodiments:
as shown in fig. 1-2, a non-magnetic induction water meter of the present invention comprises a housing 1, wherein the housing 1 is a housing with a middle portion protruding upwards and downwards, a water inlet 10 and a water outlet are respectively disposed at two ends of the housing 1, a device cavity 11 is disposed at an upper portion of the housing 1, a fixed shaft 2 is fixedly disposed at a bottom of the device cavity 11, a sector plate 4 is rotatably connected to a lower end of the fixed shaft 2, a metal sheet 42 is fixedly connected to a lower end of the sector plate 4, an induction coil 3 is fixedly disposed at a bottom of the device cavity 11 above the sector plate 4, the induction coil 3 penetrates through the device cavity and is fixedly connected to an information conversion device 15 in the device cavity, an MCU processor 16, a first data output port 12 and a second data output port 13 are further disposed in the device cavity 11, a display panel 14 is disposed on a top surface of the device cavity 11, a data display window 141 and a revolution counter 142 are disposed on the, the output end of the information conversion device 15 is connected with the input end of the MCU processor 16, the output end of the MCU processor 16 is respectively connected with the input ends of the first data output port 12 and the second data output port 13, the output end of the MCU processor 16 is respectively connected with the data display window 141 and the revolution meter 142, and more than two pairs of fan-shaped steel sheets are arranged on the fan-shaped disc 4. Be equipped with signal induction unit 5 on the display panel, be equipped with signal induction unit delivery outlet 51 on the signal induction unit 5, signal induction unit is connected with the output of MCU treater, the utility model discloses divide fan-shaped disc 4 into the fan-shaped steel sheet more than two pairs to this rotatory a week produces the signal of telecommunication more than two pairs, for example N1S1 is right and N2S2 is right, and specific division method is to piecing together into whole fan-shaped disc with the fan-shaped steel sheet. When the fan-shaped disc rotates for one circle, the induction coil detects that 00 codes representing N1 poles and 01 codes representing S1 poles, 10 codes representing N2 poles and 11 codes representing S2 poles can be formed, the rotating position of the fan-shaped steel sheet is reflected by two-bit codes, and the precision is improved by two times. If more fan-shaped steel sheet pairs are arranged, the number of formed codes is more, the rotating position of the fan-shaped steel sheets can be reflected more finely, and the reading precision is further improved. In addition, the sequence of the codes can reflect the rotation direction of the fan-shaped steel sheet, once the situation of liquid flow reversal occurs, the fan-shaped steel sheet is reversed, the situation that the codes do not occur in sequence can occur, the liquid flow reversal problem can be quickly found by detecting the situation through the data MCU processor, and the data is reported to be correspondingly processed. The coding conditions before and after the current coding are found out through the coding sequence, and then the data MCU processor can analyze whether the carry is carried out or the current counting is kept, so that the problem of carry interpretation is effectively solved. Meanwhile, by adding the signal induction unit, when the device runs, the signal induction unit is connected with the external signal equipment to acquire the signal intensity of the induction coil, so that the installation height of the induction coil is adjusted, and the phenomenon that the pulse signal on the induction coil receiving sector disc is lost due to the fact that the installation height of the induction coil cannot be adjusted according to actual conditions in the traditional method is avoided. The intensity of the pulse signal is detected by the signal detection unit, so that the reasonable height of the gap for installing the induction coil is judged.
In this embodiment, the metal sheet 42 is vertically and concentrically arranged with the sector plate 4. The number of the metal sheets 42 is two or more. More codes reflecting the rotating positions of the fan-shaped steel sheets are formed by dividing more than two pairs of fan-shaped steel sheets on one fan-shaped disc 4, so that the detection result is more precise, and the electronic reading result is more accurate; the steering of the fan-shaped steel sheet can be accurately judged through the detection sequences of a plurality of codes, so that the flow direction of the liquid flow can be accurately judged, and the counting data is prevented from being influenced by the inversion of the liquid flow; by adding the codes, more accurate basis can be provided for carry judgment, and the problem of carry interpretation is effectively solved.
In this embodiment, the interfaces between the first data output port 12 and the second data output port 13 are RS485 or M-BUS or wireless LORA or NB-IOT internet of things transmission interfaces.
In this embodiment, the first data output port 12 and the second data output port 13 are both protruded from the surface of the housing 1.
Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (5)
1. A non-magnetic induction type water meter is characterized in that: comprises a shell (1), the shell (1) is a shell with a middle part protruding towards the upper and lower sides, the two ends of the shell (1) are respectively provided with a water inlet (10) and a water outlet, the upper part of the shell (1) is provided with a device cavity (11), the bottom of the device cavity (11) is fixedly provided with a fixed shaft (2), the lower end of the fixed shaft (2) is rotatably connected with a fan-shaped disc (4), the lower end of the fan-shaped disc (4) is fixedly connected with a metal sheet (42), an induction coil (3) is fixedly arranged at the bottom of the device cavity above the fan-shaped disc (4), the induction coil (3) penetrates through the device cavity (11) and is fixedly connected with an information conversion device (15) in the device cavity (11), the device cavity (11) is also internally provided with an MCU processor (16), a first data output port (12) and a second data output port (13), the top surface of the device cavity (11) is provided, be equipped with data display window (141) and revolution table (142) on the display panel, the output of information conversion equipment (15) is connected with the input of MCU treater (16), the output of MCU treater (16) is connected with the input of first data delivery outlet (12) and second data delivery outlet (13) respectively, the output of MCU treater (16) is connected with data display window (141) and revolution table (142) respectively, be equipped with the fan-shaped steel sheet more than two pairs on fan-shaped dish (4), be equipped with signal induction unit (5) on the display panel, be equipped with signal induction unit delivery outlet (51) on the signal induction unit, the signal induction unit is connected with the output of MCU treater (16).
2. A non-magnetic induction water meter as defined in claim 1, further comprising: the metal sheet (42) is arranged concentrically and vertically with the fan-shaped disc (4) in the vertical direction.
3. A non-magnetic induction water meter as claimed in claim 2, further comprising: the metal sheets 42) are two or more.
4. A non-magnetic induction water meter as defined in claim 1, further comprising: the interfaces of the first data output port (12) and the second data output port (13) are RS485 or M-BUS or wireless LORA or NB-IOT internet of things transmission interfaces.
5. A non-magnetic induction water meter as claimed in claim 4, further comprising: the first data output port (12) and the second data output port (13) are arranged on the surface of the shell (1) in a protruding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021314772.XU CN212110168U (en) | 2020-07-07 | 2020-07-07 | Non-magnetic induction type water meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021314772.XU CN212110168U (en) | 2020-07-07 | 2020-07-07 | Non-magnetic induction type water meter |
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| CN212110168U true CN212110168U (en) | 2020-12-08 |
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| CN202021314772.XU Active CN212110168U (en) | 2020-07-07 | 2020-07-07 | Non-magnetic induction type water meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623844A (en) * | 2020-07-07 | 2020-09-04 | 深圳市前海海洋仪表科技有限公司 | Non-magnetic induction type water meter and test method |
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- 2020-07-07 CN CN202021314772.XU patent/CN212110168U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623844A (en) * | 2020-07-07 | 2020-09-04 | 深圳市前海海洋仪表科技有限公司 | Non-magnetic induction type water meter and test method |
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