Electromagnetic water meter structure with replaceable battery

Abstract

The utility model provides a battery-replaceable electromagnetic water meter which comprises a sensor assembly, a converter shell, a circuit board assembly, a remote antenna assembly, a battery assembly, a sealing ring, a display circuit board assembly, a battery bin cover, a battery bin plastic cover, a circuit board bin cover, a circuit board bin plastic cover, a converter bin cover, window glass, a transparent window cover and a partition plate. The electromagnetic water meter converter is mainly suitable for the field of electromagnetic water meters powered by batteries, particularly suitable for converter structural design and process optimization design, and capable of improving the rationality of the whole machine structure, meeting the requirement for independent battery bin design and facilitating on-site battery replacement and is suitable for the electromagnetic water meters powered by the batteries. The battery replacement device can be more suitable for occasions where the battery needs to be replaced regularly and occasions where a longer operation cycle is needed on site.

Description

Technical Field

[0001] The utility model relates to the field of electromagnetic water meter flow measurement, in particular to an electromagnetic water meter structure with replaceable batteries. Background Art

[0002] Electromagnetic water meters are widely used in the water supply industry. They offer advantages such as high accuracy, a wide measuring range, no obstructions, environmental friendliness, and a long lifespan. "GB / T 778.1-2018, Reference Cold Water Meters and Hot Water Meters Part 1: Metrological Requirements and Technical Requirements," stipulates that for water meters with replaceable batteries, battery replacement must not damage the legal metrological seal, the battery compartment must be protected to prevent tampering, and battery replacement must not affect meter performance or parameters. Based on these requirements, we have designed an electromagnetic water meter with a replaceable battery that fully complies with national standards while facilitating battery replacement. The product's IP68 waterproofing and meter performance meet field application requirements, and it features either an internal or external remote antenna for more convenient meter data collection. Summary of the Invention

[0003] The purpose of the utility model is to provide an electromagnetic water meter with a replaceable battery, which is mainly suitable for the field of battery-powered electromagnetic water meters, especially the converter structure design and process optimization design. The use of the utility model can improve the rationality of the overall structure, meet the independent battery compartment design, facilitate on-site battery replacement, and is suitable for battery-powered electromagnetic water meters. The use of the utility model can be more adaptable to occasions where batteries need to be replaced regularly and scenarios where a longer operating cycle is required on site.

[0004] In order to achieve the above-mentioned purpose, the technical solution of the present utility model is as follows:

[0005] An electromagnetic water meter structure with replaceable batteries, comprising a sensor assembly, a converter housing, a remote transmission antenna assembly, a battery assembly, a sealing ring, a display circuit board assembly, a battery compartment cover, a battery compartment plastic cover, a circuit board compartment cover, a circuit board compartment plastic cover, a converter compartment cover, a window glass, a transparent window cover, and a partition, wherein the structure is characterized by:

[0006] The converter is placed on the sensor assembly, with a sealing ring provided between the two;

[0007] The converter housing is provided with a partition to separate the cavity into a circuit board compartment and a battery compartment. The battery compartment and the circuit board compartment are provided with independent stainless steel compartment covers and plastic compartment covers respectively.

[0008] The battery pack is divided into a replaceable battery pack and a built-in battery pack. The built-in battery pack is placed on a partition provided in the converter housing and is located in the circuit board compartment; the replaceable battery pack is placed in the battery compartment provided in the converter housing;

[0009] The battery compartment cover is provided with a screw hole for testing the air tightness of the entire device;

[0010] The circuit board compartment plastic cover and the battery compartment plastic cover are each provided with two oblique lead sealing holes;

[0011] The measuring circuit board assembly is connected to the display circuit board assembly via pins;

[0012] The measuring circuit board assembly is fixed to the circuit board compartment by screws;

[0013] The remote transmission antenna assembly is fixed to the outlet socket of the converter;

[0014] The converter housing is provided with a sealing groove, an O-type sealing ring is provided in the sealing groove, the window glass is pressed on the O-type sealing ring and is tightened via the battery compartment cover;

[0015] The circuit board compartment cover and the circuit board compartment plastic cover are connected by snap fasteners;

[0016] The battery compartment cover and the battery compartment plastic cover are connected by snap fasteners;

[0017] The converter housing is connected to the transparent window cover via a rotating shaft;

[0018] Beneficial effects of the utility model:

[0019] (1) The utility model provides an electromagnetic water meter structure with a replaceable battery, wherein the built-in battery structure and the replaceable battery are used in parallel for power supply, and the meter can be used for normal measurement when the battery is replaced.

[0020] (2) The utility model provides an electromagnetic water meter structure with a replaceable battery. The battery can be replaced without damaging the legal metrological seal, effectively ensuring that the instrument circuit layout is not affected and avoiding interference with the zero point and other factors.

[0021] (3) The utility model provides an electromagnetic water meter structure with a replaceable battery. The battery compartment has protective measures to prevent tampering and effectively improves the efficiency of battery replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] FIG1 is a schematic diagram of the structure of an electromagnetic water meter with replaceable batteries according to the present invention. DETAILED DESCRIPTION

[0023] The technical solution of the present invention is further described in detail below in conjunction with specific implementation methods and accompanying drawings. The protection scope of the present invention will not be limited to the following statements.

[0024] As shown in Figure 1: an electromagnetic water meter structure with replaceable batteries, comprising a sensor assembly (11), a converter housing (10), a remote transmission antenna assembly (8), a measuring circuit board assembly (7), a built-in battery pack (17), a replaceable battery pack (16), a sealing ring, a display circuit board assembly (5), a battery compartment cover (14), a battery compartment plastic cover (12), a circuit board compartment cover (4), a circuit board compartment plastic cover (2), a converter compartment cover, a window glass (3), a transparent window cover (1), and a partition (9).

[0025] The partition is provided in the converter housing to separate the cavity into a circuit board compartment and a battery compartment. Specifically, the battery compartment is located on the front side for convenient battery replacement, and the circuit board compartment is located on the rear side. The battery compartment and the circuit board compartment are respectively provided with independent stainless steel compartment covers and plastic compartment covers.

[0026] The battery pack is divided into a replaceable battery pack and a built-in battery pack. Specifically, the built-in battery pack is placed on a partition provided in the converter housing and is located in the circuit board compartment. The two power supplies are arranged in parallel and are connected to the circuit board through sockets respectively. The built-in battery pack supplies power to the measurement part; the replaceable battery pack is placed in the battery compartment provided in the converter housing. The replaceable battery pack supplies power to the measurement part and the remote transmission part. The replaceable battery pack is independently powered. When the battery pack is replaced, the built-in battery pack can continue to supply power without causing metering interruption. A foam cotton (13) with a single-sided adhesive is pasted on the bottom and top of the replaceable battery pack, and then the pack is inserted into the battery compartment. The battery output line and the circuit board output line are connected through the terminal adapter for quick plugging. The battery compartment cover is then fixed to the converter housing with 4 M5 screws. An M6 screw hole for airtightness test is provided on the battery compartment cover for airtightness test of the whole machine. After the test is completed, the pack is sealed and locked with an M6 plug and an O-ring (15).

[0027] The measuring circuit board assembly is connected to the display circuit board assembly via pins. Specifically, the measuring circuit board includes a measuring module and a remote transmission module, which are connected and locked in the middle with studs.

[0028] The display circuit board is equipped with an LCD and a Bluetooth communication module. The LCD is secured to the display circuit board via a snap-fit mechanism. The converter housing is provided with a sealing groove, with the window glass pressing against an O-ring, which is then tightened via the battery compartment cover and secured to the converter housing with four M5 screws.

[0029] The battery compartment cover and the battery compartment plastic cover are connected by a snap fastener, and the converter housing and the transparent window cover are connected via a rotating shaft. Specifically, the converter housing, the battery compartment cover and the circuit board compartment cover are all made of stainless steel, and the outer layer is provided with an independent battery compartment plastic cover and a circuit board compartment plastic cover, wherein the battery compartment plastic cover is partially overlapped with the circuit board compartment plastic cover.

[0030] The PCB compartment cover has a transparent window mounted on a hinge that can be flipped open. The PCB compartment cover and plastic cover are bayonet-mounted and feature two lead seals with slanted holes for easy installation. The battery compartment plastic cover and its outer plastic housing are bayonet-mounted and feature two lead seals with slanted holes to prevent damage and disassembly.

Claims

1. An electromagnetic water meter structure with a replaceable battery, comprising a sensor assembly, a converter housing, a remote transmission antenna assembly, a battery assembly, a sealing ring, a display circuit board assembly, a battery compartment cover, a battery compartment plastic cover, a circuit board compartment cover, a circuit board compartment plastic cover, a measuring circuit board assembly, a converter compartment cover, a window glass, a transparent window cover, and a partition, characterized by: The converter is placed on the sensor assembly, with a sealing ring provided between the two; The converter housing is provided with a partition to separate the cavity into a circuit board compartment and a battery compartment. The battery compartment and the circuit board compartment are provided with independent stainless steel compartment covers and plastic compartment covers respectively. The battery pack is divided into a replaceable battery pack and a built-in battery pack. The built-in battery pack is placed on a partition provided in the converter housing and is located in the circuit board compartment; the replaceable battery pack is placed in the battery compartment provided in the converter housing; The battery compartment cover is provided with a screw hole for testing the air tightness of the entire device; The circuit board compartment plastic cover and the battery compartment plastic cover are each provided with two oblique lead sealing holes; The measuring circuit board assembly is connected to the display circuit board assembly via pins; The measuring circuit board assembly is fixed to the circuit board compartment by screws; The remote transmission antenna assembly is fixed to the outlet socket of the converter; The converter housing is provided with a sealing groove, an O-type sealing ring is provided in the sealing groove, the window glass is pressed on the O-type sealing ring and is tightened via the battery compartment cover; The circuit board compartment cover and the circuit board compartment plastic cover are connected by snap fasteners; The battery compartment cover and the battery compartment plastic cover are connected by snap fasteners; The converter housing is connected to the transparent window cover via a rotating shaft.

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