Novel electric energy meter case

Abstract

The utility model discloses a novel electric energy meter case, which comprises a replacement module and a meter cover, the replacement module is fixed on the meter cover, the replacement module comprises a replaceable module cover and a replaceable module bottom, and the module cover is fixedly connected with the module bottom. In order to solve the problem that the meter case of the electric energy meter in the prior art can only be singly adapted and cannot be directly replaced, the keyboard and non-keyboard switching can be performed between all types of meters such as a single-phase meter, a three-phase meter and the like, and an expansion function is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of measurement, in particular to a novel electric energy meter case. Background Art

[0002] In the development of electric energy meters, the designs of various types of meters have gradually met the needs of different scenarios and functions. However, the existing electric energy meter case design has certain limitations. In particular, the keyboard and non-keyboard cannot be replaced between all types of meters such as single-phase meters and three-phase meters, which brings many inconveniences to users.

[0003] Since the keyboard and non-keyboard cannot be replaced, users need to choose the appropriate meter type according to actual needs when purchasing an electricity meter. This not only increases the difficulty of purchasing for users, but also in actual use, if users need to change the control method, they cannot replace the meter case. In this way, users may need to purchase a new electricity meter to meet different needs, causing unnecessary waste.

[0004] Public announcement number: CN216209454U, public announcement date: 2022-04-05. It relates to a three-phase electric energy meter, including a bottom shell and a front shell arranged on the bottom shell. The bottom shell is provided with a cavity for placing a circuit board, a terminal seat and a plurality of manganese copper sheets. The circuit board is provided with a main control module and two single-phase metering modules electrically connected to the main control module respectively. The plurality of manganese copper sheets are electrically connected to the circuit board through the terminal seat respectively, and are used for the main control module and the two single-phase metering modules to measure and sample one of the three-phase mains electricity. This solution can only provide the assembly of a three-phase meter and cannot adapt to the situation of multiple electric energy meters. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the prior art that the case of an electric energy meter can only be adapted singly and cannot be directly replaced, and to provide a new electric energy meter case that can switch back and forth between keyboard and non-keyboard between all meter types such as single-phase meters and three-phase meters, and has extended functions.

[0006] In order to achieve the above-mentioned purpose, the solution provided by the utility model is: a new type of electric energy meter case, including: a replacement module and a meter cover, the replacement module is fixed on the meter cover, the replacement module includes a replaceable module cover and a module bottom, and the module cover is fixedly connected to the module bottom.

[0007] Preferably, a sealing groove is provided on one side of the module cover, and a sealing ring is provided in the sealing groove.

[0008] Preferably, a card slot is provided on the other side of the module cover, and the module cover is provided with a plurality of buckles.

[0009] Preferably, a plurality of limit blocks are provided at the bottom of the module, screw slots are provided on the limit blocks, pins are installed at one side of the bottom of the module, and module pillars are fixed at the inner side of the bottom of the module.

[0010] Preferably, a near-infrared lamp and a light strip are installed on the table cover, and the table cover is provided with a viewing window.

[0011] Preferably, an auxiliary terminal is provided at the bottom of the meter cover, a plurality of mounting holes are provided at the top of the meter cover, and a plurality of fixing pillars are provided on the inner side of the meter cover.

[0012] Preferably, a keyboard and a PCB board are arranged between the module cover and the module bottom, the keyboard is provided with a plurality of keys, trigger points are provided for corresponding keys on the PCB board, and key holes are provided for corresponding keys on the module cover.

[0013] Preferably, a plurality of spare key positions are provided on the watch cover.

[0014] The beneficial effects of the utility model are: solving the problem in the prior art that the case of the electric energy meter can only be adapted singly and cannot be directly replaced, the process is convenient, the operation is simple, the keyboard and non-keyboard can be switched back and forth between all meter types such as single-phase meters and three-phase meters, and there are extended functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an overall schematic diagram of the utility model.

[0016] Figure 2 It is an exploded schematic diagram of the IC card replacement module of the utility model.

[0017] Figure 3 It is a schematic diagram of an IC card replacement module of the utility model.

[0018] Figure 4 It is an exploded schematic diagram of a keyboard replacement module of the utility model.

[0019] Figure 5 It is a schematic diagram of a keyboard replacement module of the utility model.

[0020] Figure 6 It is a schematic diagram of the back side of the module cover of the utility model.

[0021] Figure 7 It is a schematic diagram of a keyboard-free replacement module of the utility model.

[0022] Figure 8 It is an exploded schematic diagram of the keyboard-free replacement module of the utility model.

[0023] Fig. 9 It is a schematic diagram of a single-phase card of the present utility model.

[0024] Fig.10 It is a schematic diagram of a three-phase card of the present utility model.

[0025] Fig.11 It is a schematic diagram of a single-phase keyboard of the present utility model.

[0026] Fig.12 It is a schematic diagram of a three-phase keyboard of the utility model.

[0027] Fig.13 It is a single-phase keyboard-free representation diagram of the utility model.

[0028] Fig.14 It is a three-phase keyboardless representation diagram of the utility model.

[0029] Explanation of numbers in the figure: 1-replacement module, 1.1-module cover, 1.11-sealing groove, 1.12-card slot, 1.13-key hole, 1.2-module bottom, 1.21-pin, 1.22-limit block, 1.23-module pillar, 1.3-keyboard, 1.31-button, 1.4PCB board, 2-table cover, 2.1-near infrared lamp, 2.2-auxiliary terminal, 2.3-window, 2.4-light bar, 2.5-fixed pillar, 2.6-mounting hole, 2.7-spare key position, 3-sealing ring. DETAILED DESCRIPTION

[0030] The specific embodiments of the utility model will be described in detail below. It should be noted that the embodiments described here are only part of the embodiments of the utility model, not all of them. Based on the following embodiments, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] The utility model provides the following technical solutions:

[0032] Embodiment 1:

[0033] like Figure 1As shown, a novel electric energy meter case consists of a replacement module 1 and a replaceable meter cover 2. The replacement module 1 is fixed to the rear side of the meter cover 2 with bolts. The replacement module 1 consists of a module cover 1.1 and a module bottom 1.2. The module cover 1.1 is installed on the module bottom 1.2 by four buckles arranged on both sides of the module cover 1.1. A rectangular sealing groove 1.11 is arranged at the periphery of the front side of the module cover 1.1. A sealing ring 3 is installed in the sealing groove 1.11. The sealing ring 3 is arranged at the contact position between the replacement module 1 and the meter cover 2. The electric energy meter is an instrument used to measure and record electric energy consumption. It can be divided into many types according to different application scenarios and functions. The single-phase meter can only connect one live wire and one neutral wire to provide AC 220V power supply. The three-phase meter can connect three live wires and a neutral wire. In addition to providing three sets of AC 220V power supply, it can also provide AC 380V industrial power supply. By replacing different replacement modules 1 and different meter covers 2, it can adapt to different usage conditions. The sealing ring 3 can ensure the overall sealing of the plug-in to prevent water from entering the electric energy meter.

[0034] like Figure 2 , Figure 3 As shown, when the replacement module 1 is an IC card replacement module 1, the replacement module 1 also includes a keyboard 1.3 and a PCB board 1.4, a card swiping indication pattern is sprayed on the module cover 1.1, two key holes 1.13 are arranged at the lower right corner of the module cover 1.1, two buttons 1.31 are arranged on the keyboard 1.3, the two buttons 1.31 and the two key holes 1.13 are installed in alignment, the PCB board 1.4 is provided with two trigger points corresponding to the two buttons 1.31, so that the two buttons 1.31 can work normally, two through holes are arranged on both sides of the PCB board 1.4, and two module pillars 1.23 are arranged on the inner side of the module bottom 1.2, so that the PCB board 1.4 can be fixed on the inner side of the module bottom 1.2.

[0035] like Figure 6 As shown, a card slot 1.12 is provided on the outer peripheral side of the rear side of the module cover 1.1, and the position of the card slot 1.12 corresponds to the installation position of the keyboard 1.3, so that the keyboard 1.3 can be fixed exactly in the card slot 1.12, and three limit blocks 1.22 are provided on the outer peripheral side of the module bottom 1.2. A screw slot is provided in the center of the limit block 1.22. The replacement module 1 is installed on the fixed pillar 2.5 of the table cover 2 through the limit block 1.22, and a pin 1.21 is installed on the left side of the module bottom 1.2 to provide various transmission functions for the replacement module 1.

[0036] like Fig. 9As shown, when the IC card replacement module 1 is applied to a single-phase card meter, this electric energy meter is suitable for measuring single-phase electric energy, and uses a card swiping or button method for measurement and control. It has a prepaid function, and users need to swipe the card to recharge after purchasing electricity. It is suitable for single-phase electricity consumption places such as residences and shops. A window 2.3 is set in the middle and upper part of the meter cover 2 for reading the meter data. Four mounting holes 2.6 are set on both sides above the window 2.3. A light bar 2.4 is installed in the middle of the meter cover 2 below the window 2.3 to indicate the current working status. A near-infrared lamp 2.1 is set at the lower left of the meter cover 2. The near-infrared lamp 2.1 communicates with external equipment through electromagnetic waves to achieve functions such as data transmission and setting calibration. The IC card replacement module 1 is installed at the lower right of the meter cover 2. A number of auxiliary terminals 2.2 are set at the bottom of the meter cover 2 for wiring for MBOS or 485 transmission.

[0037] like Fig.10 As shown, when the IC card replacement module 1 is applied to the three-phase card meter, this electric energy meter is suitable for the measurement of three-phase electric energy, and adopts the card swiping or key pressing method for measurement and control, and has a prepayment function. The user needs to purchase electricity and then swipe the card to recharge, which is suitable for single-phase electricity consumption places such as residences and shops. A window 2.3 and a near-infrared lamp 2.1 are arranged in the middle and upper part of the meter cover 2. The window 2.3 is used to read the meter data, and the near-infrared lamp 2.1 communicates with external equipment through electromagnetic waves to realize functions such as data transmission and setting calibration. Four mounting holes 2.6 are arranged on both sides of the top of the meter cover 2, and a light bar 2.4 is installed under the window 2.3 to indicate the current working status. The IC card replacement module 1 is installed at the lower right of the meter cover 2, and a number of auxiliary terminals 2.2 are arranged at the bottom of the meter cover 2 for wiring for MBOS or 485 transmission.

[0038] Embodiment 2:

[0039] A novel electric energy meter case consists of a replacement module 1 and a replaceable meter cover 2. The replacement module 1 is fixed to the rear side of the meter cover 2 with bolts. The replacement module 1 consists of a module cover 1.1 and a module bottom 1.2. The module cover 1.1 is installed on the module bottom 1.2 by four buckles arranged on both sides of the module cover 1.1. A rectangular sealing groove 1.11 is arranged at the outer periphery of the front side of the module cover 1.1. A sealing ring 3 is installed in the sealing groove 1.11. The sealing ring 3 is arranged at the contact position between the replacement module 1 and the meter cover 2.

[0040] like Figure 4 , Figure 5As shown, when the replacement module 1 is a keyboard replacement module 1, the replacement module 1 also includes a keyboard 1.3 and a PCB board 1.4, twelve key holes 1.13 are set at the lower right corner of the module cover 1.1, and twelve keys 1.31 are set on the keyboard 1.3. The twelve keys 1.31 and the twelve key holes 1.13 are installed in alignment, and the PCB board 1.4 is provided with twelve trigger points corresponding to the twelve keys 1.31, so that the twelve keys 1.31 can work normally, and two through holes are set on both sides of the PCB board 1.4, and two module pillars 1.23 are correspondingly set on the inner side of the module bottom 1.2, so that the PCB board 1.4 can be fixed on the inner side of the module bottom 1.2.

[0041] A card slot 1.12 is provided on the outer peripheral side of the rear side of the module cover 1.1, and the position of the card slot 1.12 corresponds to the installation position of the keyboard 1.3, so that the keyboard 1.3 can be fixed exactly in the card slot 1.12. Three limit blocks 1.22 are provided on the outer peripheral side of the module bottom 1.2, and a screw slot is provided in the center of the limit block 1.22. The replacement module 1 is installed on the fixed pillar 2.5 of the table cover 2 through the limit block 1.22. A pin 1.21 is installed on the left side of the module bottom 1.2 to provide various transmission functions for the replacement module 1.

[0042] like Fig.11 As shown, when the keyboard replacement module 1 is applied to a single-phase keyboard meter, this electric energy meter is suitable for measuring single-phase electric energy, and has functions such as electric energy metering, active and reactive power combination, and bidirectional metering. In addition, it also has a prepayment function, and can realize remote meter reading and management. It is suitable for single-phase electricity consumption places such as residences and shops. A window 2.3 is provided in the middle and upper part of the meter cover 2 for reading the meter data. Four mounting holes 2.6 are provided on both sides above the window 2.3. A light bar 2.4 is installed below the window 2.3 in the middle of the meter cover 2 to indicate the current working status. A near-infrared lamp 2.1 is provided at the lower left of the meter cover 2. The near-infrared lamp 2.1 communicates optically with external equipment through electromagnetic waves to realize functions such as data transmission and setting calibration. The keyboard replacement module 1 is installed at the lower right of the meter cover 2. A plurality of auxiliary terminals 2.2 are provided at the bottom of the meter cover 2 for wiring for MBOS or 485 transmission.

[0043] like Fig.12As shown, when the keyboard replacement module 1 is applied to a three-phase keyboard meter, this electric energy meter is suitable for the measurement of three-phase electric energy, and has functions such as electricity metering, active and reactive power combination, and bidirectional metering. In addition, it also has a prepayment function, and can realize remote meter reading and management. It is suitable for three-phase power consumption places such as industry and commerce. A window 2.3 and a near-infrared lamp 2.1 are arranged in the middle and upper part of the meter cover 2. The window 2.3 is used to read the meter data. The near-infrared lamp 2.1 communicates with external equipment through electromagnetic waves to realize functions such as data transmission and setting calibration. Four mounting holes 2.6 are arranged on both sides of the top of the meter cover 2. A light bar 2.4 is installed under the window 2.3 to indicate the current working status. The keyboard replacement module 1 is installed at the lower right of the meter cover 2. A plurality of auxiliary terminals 2.2 are arranged at the bottom of the meter cover 2 for wiring for MBOS or 485 transmission.

[0044] Embodiment 3:

[0045] A novel electric energy meter case consists of a replacement module 1 and a replaceable meter cover 2. The replacement module 1 is fixed to the rear side of the meter cover 2 with bolts. The replacement module 1 consists of a module cover 1.1 and a module bottom 1.2. The module cover 1.1 is installed on the module bottom 1.2 by four buckles arranged on both sides of the module cover 1.1. A rectangular sealing groove 1.11 is arranged at the outer periphery of the front side of the module cover 1.1. A sealing ring 3 is installed in the sealing groove 1.11. The sealing ring 3 is arranged at the contact position between the replacement module 1 and the meter cover 2.

[0046] like Figure 7 , Figure 8 As shown, when the replacement module 1 is a keyboard-less replacement module 1, two module pillars 1.23 are arranged on the inner side of the module bottom 1.2.

[0047] A card slot 1.12 is provided on the outer peripheral side of the rear side of the module cover 1.1, and three limit blocks 1.22 are provided on the outer peripheral side of the module bottom 1.2. A screw slot is provided in the center of the limit block 1.22. The replacement module 1 is installed on the fixed pillar 2.5 of the table cover 2 through the limit block 1.22. A pin 1.21 is installed on the left side of the module bottom 1.2 to provide various transmission functions for the replacement module 1.

[0048] like Fig.13As shown, when the keyboardless replacement module 1 is applied to a single-phase keyboardless meter, this electric energy meter is suitable for measuring single-phase electric energy, and has functions such as electric energy measurement, forward active power, and reverse active power. It does not have a keyboard input function and can realize remote meter reading and management. It is suitable for single-phase power consumption places such as residences and shops. It is suitable for single-phase power consumption places such as residences and shops. A window 2.3 is provided in the middle and upper part of the meter cover 2 for reading the meter data. Four mounting holes 2.6 are provided on both sides above the window 2.3. A light bar 2.4 is installed below the window 2.3 in the middle of the meter cover 2 to indicate the current working status. A near-infrared lamp 2.1 is provided at the lower left of the meter cover 2. The near-infrared lamp 2.1 communicates optically with external equipment through electromagnetic waves to realize functions such as data transmission and setting calibration. The keyboardless replacement module 1 is installed at the lower right of the meter cover 2. A plurality of auxiliary terminals 2.2 are provided at the bottom of the meter cover 2 for wiring for MBOS or 485 transmission.

[0049] like Fig.14 As shown, when the keyboardless replacement module 1 is applied to a three-phase keyboardless meter, this electric energy meter is suitable for the measurement of three-phase electric energy, and has functions such as electric energy measurement, forward active power, and reverse active power. It does not have a keyboard input function and can realize remote meter reading and management. It is suitable for three-phase power consumption places such as industry and commerce. A window 2.3 and a near-infrared lamp 2.1 are arranged in the middle and upper part of the meter cover 2. The window 2.3 is used to read the meter data. The near-infrared lamp 2.1 communicates with external equipment through electromagnetic waves to realize functions such as data transmission and setting calibration. Four mounting holes 2.6 are arranged on both sides of the top of the meter cover 2. A light bar 2.4 is installed under the window 2.3 to indicate the current working status. The keyboardless replacement module 1 is installed at the lower right of the meter cover 2. A plurality of auxiliary terminals 2.2 are arranged at the bottom of the meter cover 2 for wiring for MBOS or 485 transmission.

[0050] Based on the above embodiments, the present application proposes a new type of electric energy meter case, which is composed of a replacement module 1 and a replaceable meter cover 2. The replacement module 1 is composed of a module cover 1.1 and a module bottom 1.2, which solves the problem in the prior art that the electric energy meter case can only be adapted in a single way and cannot be directly replaced. The process is convenient and the operation is simple. The keyboard and non-keyboard can be switched back and forth between all meter types such as single-phase meter and three-phase meter. The electric energy meter includes a total of six meter types and has extended functions.

[0051] The above shows and describes the basic features, principles and advantages of the utility model. It should be noted that the utility model is not limited to the above embodiments, which are only partial embodiments. Under the premise of not departing from the spirit and scope of the utility model, several improvements and supplements made are deemed to be within the protection scope of the utility model.

Claims

1. A new type of electric energy meter case, characterized in that: include: A replacement module (1) and a table cover (2), wherein the replacement module (1) is fixed on the table cover (2), and the replacement module (1) comprises a replaceable module cover (1.1) and a module bottom (1.2), and the module cover (1.1) is fixedly connected to the module bottom (1.2).

2. According to the novel electric energy meter case as described in claim 1, a sealing groove (1.11) is arranged on one side of the module cover (1.1), and a sealing ring (3) is arranged in the sealing groove (1.11).

3. According to the novel electric energy meter case as described in claim 2, a card slot (1.12) is provided on the other side of the module cover (1.1), and the module cover (1.1) is provided with a plurality of buckles.

4. According to the novel electric energy meter case described in claim 1, the module bottom (1.2) is provided with a plurality of limit blocks (1.22), the limit blocks (1.22) are provided with screw grooves, a pin (1.21) is installed on one side of the module bottom (1.2), and a module support (1.23) is fixed on the inner side of the module bottom (1.2).

5. According to the novel electric energy meter case as described in claim 1, a near-infrared lamp (2.1) and a light strip (2.4) are installed on the meter cover (2), and the meter cover (2) is provided with a window (2.3).

6. According to a new type of electric energy meter case as described in claim 1, an auxiliary terminal (2.2) is arranged at the bottom of the meter cover (2), a plurality of mounting holes (2.6) are arranged at the top of the meter cover (2), and a plurality of fixing pillars (2.5) are arranged on the inner side of the meter cover (2).

7. A new type of electric energy meter case according to any one of claims 1 to 6, wherein a keyboard (1.3) and a PCB board (1.4) are arranged between the module cover (1.1) and the module bottom (1.2), the keyboard (1.3) is provided with a plurality of keys (1.31), the PCB board (1.4) is provided with trigger points corresponding to the keys (1.31), and the module cover (1.1) is provided with key holes (1.13) corresponding to the keys (1.31).

8. A new type of electric energy meter case according to any one of claims 1 to 6, wherein the meter cover (2) is provided with a plurality of spare key positions (2.7).

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