CN220472721U - Non-magnetic module for water meter - Google Patents

Abstract

The utility model discloses a non-magnetic module for a water meter, which comprises: a module assembly; the module assembly comprises a non-magnetic module and a coil etched on the surface of the non-magnetic module; a connection assembly; the connecting assembly comprises a power ground, a power anode, a control pin, a forward pulse pin, a reverse pulse pin and a reset pin which are arranged on the surface of the non-magnetic module. The utility model uses the coil to detect the rotation angle of the metal sheet below the coil through the mutual matching of the arranged module structure and the connecting structure, thereby realizing complete antimagnetic effect, low power consumption, strong anti-interference performance and more stable use.

Description

Non-magnetic module for water meter

Technical Field

The utility model relates to the technical field of nonmagnetic modules, in particular to a nonmagnetic module for a water meter.

Background

The water meter is an instrument for measuring water flow, is mainly used for measuring accumulated flow of water, has poor anti-magnetic capacity, weaker anti-interference performance and relatively higher power consumption when in use, and can directly lead to lower use precision and influence the measurement precision of the water meter in the long-term use process.

Disclosure of Invention

Therefore, the utility model aims to provide the nonmagnetic module for the water meter, and the purpose of detecting the rotating angle of the metal sheet below the nonmagnetic module by using the coil is achieved through the mutual matching of the arranged module structure and the connecting structure, so that the nonmagnetic module is completely nonmagnetic, low in power consumption, strong in anti-interference performance and stable in use.

In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

a non-magnetic module for a water meter, comprising:

a module assembly;

the module assembly comprises a non-magnetic module and a coil etched on the surface of the non-magnetic module;

a connection assembly;

the connecting assembly comprises a power ground, a power anode, a control pin, a forward pulse pin, a reverse pulse pin and a reset pin which are arranged on the surface of the non-magnetic module.

As a preferable scheme of the nonmagnetic module for the water meter, the utility model is characterized in that a corresponding metal sheet is arranged right below the coil;

wherein, the coil is used for detecting the angle of sheetmetal rotation.

As a preferable scheme of the nonmagnetic module for the water meter, the power ground is common ground of the main board and the small board.

As a preferable scheme of the nonmagnetic module for the water meter, the module assembly is externally powered, the working voltage range of the whole module is 3.0V-3.6V, and the maximum current provided by the main board is more than 10mA.

As an optimal scheme of the nonmagnetic module for the water meter, the error range of the voltage of the control pin and the MCU working voltage is within 0.2V.

As a preferable scheme of the nonmagnetic module for the water meter, the nonmagnetic module resets the module through the reset pin, and saves the operation data in the module.

Compared with the prior art, the utility model has the advantages that:

through the mutual cooperation of the module structure and the connection structure that set up, reach when using, utilize the coil to detect the angle that its below sheetmetal rotates, complete antimagnetic, the power consumption is low, interference immunity is strong, use comparatively stably, when specifically using, no magnetism module contains pull-down resistor, the resistance scope 5K-100K, and forward pulse pin is TTL output state, when having forward pulse output, forward pulse pin output high level pulse, the pulse width is 64 + -5 ms, for output low level when not having forward pulse, reverse pulse pin has reverse pulse output high level pulse, pulse width 64 + -5 ms, other functional characteristics are unanimous completely with forward pulse pin, through reset pin to the module reset, the inside operation data of module is preserved, like this, no magnetism module cooperates with the coil, and combine control pin, forward pulse pin, reverse pulse pin and reset pin's mutual cooperation, utilize the coil to detect the angle that the sheetmetal of its below rotates, stability is stronger.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present utility model, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:

FIG. 1 is a block diagram of the present utility model;

FIG. 2 is a schematic diagram of the metering principle of the present utility model;

FIG. 3 is a timing diagram of the forward pulse pin level output of the present utility model.

In the figure: 100. a module assembly; 110. a non-magnetic module; 120. a coil; 130. a metal sheet; 200. a connection assembly; 210. a power supply ground; 220. a power supply positive electrode; 230. a control pin; 240. a forward pulse pin; 250. reverse pulse pins; 260. and a reset pin.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

In the following detailed description of the embodiments of the present utility model, the cross-sectional view of the device structure is not partially enlarged to a general scale for the convenience of description, and the schematic is merely an example, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

The utility model provides a non-magnetic module for a water meter, which is characterized in that a module structure and a connecting structure are matched with each other, so that the rotating angle of a metal sheet below the non-magnetic module is detected by a coil when the non-magnetic module is used, and the non-magnetic module is completely anti-magnetic, low in power consumption, strong in anti-interference performance and stable in use.

Fig. 1, 2 and 3 are schematic views showing the overall structure of an embodiment of a non-magnetic module for a water meter according to the present utility model, referring to fig. 1, 2 and 3, the main structure of the embodiment includes: the module assembly 100 and the connection assembly 200.

The module assembly 100 is for use with the connection assembly 200;

specifically, the module assembly 100 includes a non-magnetic module 110 and a coil 120 etched on the surface of the non-magnetic module 110, and the connection assembly 200 is installed and used based on the non-magnetic module 110 when in specific use.

The connection assembly 200 is used for non-magnetic stability measurement;

specifically, the connection assembly 200 includes a power ground 210, a power positive electrode 220, a control pin 230, a forward pulse pin 240, a reverse pulse pin 250 and a reset pin 260, which are disposed on the surface of the nonmagnetic module 110, when the nonmagnetic module 110 is specifically used, a pull-down resistor is included in the nonmagnetic module 110, the resistance range is 5K-100K, the forward pulse pin 240 is in a TTL output state, when the forward pulse is output, the forward pulse pin 240 outputs a high level pulse, the pulse width is 64±5ms, when the forward pulse is not output, the reverse pulse pin 250 outputs a high level pulse, the pulse width is 64±5ms, other functional characteristics are completely consistent with the forward pulse pin 240, the module is reset through the reset pin 260, and the operation data in the module is stored, so that the nonmagnetic module 110 is matched with the coil 120, and when the control pin 230, the forward pulse pin 240, the reverse pulse pin 250 and the reset pin 260 are mutually matched, the coil 120 is utilized to detect the rotation angle of the metal sheet 130 below the nonmagnetic module, and the stability is relatively strong.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The advantages of the present utility model have been fully and effectively realized. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the present utility model may be modified or practiced without departing from the principles.

Claims (6)

1. A non-magnetic module for a water meter, comprising:

a module assembly (100);

the module assembly (100) comprises a non-magnetic module (110) and a coil (120) etched on the surface of the non-magnetic module (110);

a connection assembly (200);

the connection assembly (200) comprises a power ground (210), a power positive electrode (220), a control pin (230), a forward pulse pin (240), a reverse pulse pin (250) and a reset pin (260) which are arranged on the surface of the non-magnetic module (110).

2. The non-magnetic module for a water meter according to claim 1, wherein a corresponding metal sheet (130) is provided under the coil (120);

wherein the coil (120) is used for detecting the rotation angle of the metal sheet (130).

3. A non-magnetic module for a water meter according to claim 2, wherein the power ground (210) is a motherboard and a small board common ground.

4. A non-magnetic module for a water meter according to claim 3, wherein the module assembly (100) is externally powered and the entire module operating voltage range is 3.0V-3.6V, the maximum current provided by the motherboard being greater than 10mA.

5. The non-magnetic module for water meter of claim 4, wherein the error range between the voltage of the control pin (230) and the MCU operating voltage is within 0.2V.

6. The non-magnetic module for a water meter of claim 5, wherein: the non-magnetic module (110) resets the module through a reset pin and saves the operation data inside the module.