Integrated metering device

Abstract

The utility model discloses an integrated metering device, which comprises a meter box body and a meter box door, and is characterized in that the interior of the meter box body is divided into a first accommodating area and a second accommodating area through an isolation plate; an electric energy meter, an indicating lamp and a line bank are arranged in the first accommodating area; the electric energy meter is connected with the indicating lamp and the line bank. A molded case circuit breaker and a current transformer are arranged in the second accommodating area; the molded case circuit breaker is provided with a wire outlet terminal and a wire inlet terminal; and the current transformer is arranged on the wire inlet terminal. The utility model solves the technical problems that the multi-functional requirement of a large user group cannot be realized and the function is single only through single metering of an electric energy meter in the prior art.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power AMI, in particular to an integrated metering device. Background Art

[0002] With the rapid development of my country's economy, the demand for electricity in all walks of life is increasing. Electricity meters are indispensable in the power supply sector, primarily used to measure power consumption, specify electricity rates, and collect electricity bills. They can also monitor power quality, detect line resistance, and identify short-circuit fault lights, making them crucial for ensuring power supply quality and safe operation. In both domestic and international markets, there are various large-scale user metering needs, some of which are prepaid and require not only accurate metering but also the ability to cut off user electricity use under specific circumstances. However, there is currently no complete solution to accommodate these diverse user needs. Separate metering products such as electricity meters are generally used, or other equipment is adapted. This approach increases the debugging workload of on-site equipment, makes it difficult to optimize the overall layout, and results in low space utilization. Therefore, there is an urgent need to propose an integrated metering device to address the current technical issues of single-function, single-meter measurement, which cannot meet the multifunctional needs of large user groups. Utility Model Content

[0003] The main purpose of the utility model is to propose an integrated metering device, which aims to solve the technical problems that the existing single-function meter cannot meet the multifunctional needs of a large user group and has a single function.

[0004] To achieve the above-mentioned objectives, the present invention provides an integrated metering device, wherein the integrated metering device includes: a meter box body and a meter box door, the meter box body is divided into a first accommodating area and a second accommodating area by an isolation plate; the first accommodating area is provided with an electric energy meter, an indicator light and a terminal block; the electric energy meter is respectively connected to the indicator light and the terminal block; the second accommodating area is provided with a molded case circuit breaker and a current transformer; the molded case circuit breaker is provided with an outlet terminal and an incoming terminal; the current transformer is arranged on the incoming terminal.

[0005] In one of the preferred solutions, the meter box door is provided with a visual window and a door lock.

[0006] In one of the preferred solutions, a neutral line row and a ground line row are further provided in the second accommodating area.

[0007] In one of the preferred solutions, the incoming terminal, the outgoing terminal and the neutral line bar all pass through the through holes at the bottom of the meter box body and are at a distance of more than 25 cm from the bottom of the meter box body.

[0008] In one of the preferred solutions, the terminal block includes an electric energy metering terminal box and signal terminal blocks.

[0009] In one of the preferred solutions, the first accommodating area further includes a voltage transformer, and the voltage transformer is connected to the electric energy metering junction box.

[0010] In one of the preferred solutions, the first accommodating area further includes a surge protector, which is used to suppress lightning overvoltage and operating overvoltage to protect the metering device from damage.

[0011] In one of the preferred solutions, hooks are provided on both sides of the meter box body.

[0012] In one of the preferred solutions, an external antenna is provided on a side of the meter box body close to the first accommodating area.

[0013] In one of the preferred solutions, a detection switch is further provided in the first accommodating area, and the detection switch is used to detect whether the meter box door is opened or closed.

[0014] In the above technical solution of the present invention, the integrated metering device includes: a meter box body and a meter box door, wherein the meter box body is divided into a first accommodating area and a second accommodating area by an isolation plate; an electric energy meter, an indicator light and a terminal block are provided in the first accommodating area; the electric energy meter is connected to the indicator light and the terminal block respectively; a molded case circuit breaker and a current transformer are provided in the second accommodating area; the molded case circuit breaker is provided with an outgoing terminal and an incoming terminal; the current transformer is provided on the incoming terminal. The present invention has a simple structure and is easy to use, and can meet the multifunctional needs of a large user group. The on and off can be freely controlled by the circuit breaker, and remote control is supported. It has a protection function of automatically cutting off the power supply for power grid monitoring such as arrears, overload, and electricity theft, which solves the technical problem that the existing single metering method using only electric energy meters cannot meet the multifunctional needs of a large user group and has a single function. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the implementation methods or the description of the prior art. Obviously, the drawings described below are only some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0016] Figure 1 This is a schematic structural diagram of an integrated metering device according to an embodiment of the present utility model;

[0017] Figure 2 This is a schematic structural diagram of an integrated metering device according to an embodiment of the present utility model.

[0018] Description of Figure Numbers:

[0019] 1. Incoming terminal; 2. Neutral bus; 3. Outgoing terminal; 4. Ground bus; 5. Detection switch; 6. Isolation plate; 7. Meter box body; 8. External antenna; 9. Indicator light; 10. Molded case circuit breaker; 11. Current transformer; 12. Surge protector; 13. Terminal block; 14. Visual window; 15. Door lock; 16. Hook; 17. Meter box door.

[0020] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] It should be noted that all directional indications (such as up, down, etc.) in the implementation mode of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0023] In addition, in this utility model, the terms "first," "second," etc. are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include at least one of such features.

[0024] Moreover, the technical solutions between the various embodiments of the present invention can be combined with each other, but this must be based on the fact that ordinary technicians in this field can implement it. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0025] See also Figure 1-Figure 2According to one aspect of the present invention, the present invention provides an integrated metering device, wherein the integrated metering device includes: a meter box body 7 and a meter box door 17, the meter box body 7 is divided into a first accommodating area and a second accommodating area by an isolation plate 6; the first accommodating area is provided with an electric energy meter, an indicator light 9 and a terminal block 13; the electric energy meter is respectively connected to the indicator light 9 and the terminal block 13; the second accommodating area is provided with a molded case circuit breaker 10 and a current transformer 11; the molded case circuit breaker 10 is provided with an outlet terminal 3 and an incoming terminal 1; the current transformer 11 is arranged on the incoming terminal 1.

[0026] Specifically, in this embodiment, the meter box body 7 and the meter box door 17 are made of IP54 waterproof material, and the meter box door 17 is provided with a visual window 14 and a door lock 15; the door lock 15 is sealed with lead and is used to open or close the meter box door 17; the meter box body 7 supports pole hanging and ground installation, and by providing a visual window 14 on the meter box door 17, the internal operation of the metering device and the display of the indicator light 9 and the electricity meter can be clearly seen through the visual window 14. The indicator light 9 is not directly designed to be outside the meter box body 7, but can be viewed through the visual window 14, which is more conducive to waterproofing; the meter box door 17 can also be set as a fully transparent meter box door 17. In this case, the meter box door 17 does not need to be separately provided with a visual window 14. The present invention does not make specific limitations and can be set according to needs.

[0027] Specifically, in this embodiment, a neutral wire row 2 and a ground wire row 4 are further provided in the second accommodating area; the incoming terminal 1, the outgoing terminal 3 and the neutral wire row 2 all pass through the through hole at the bottom of the meter box body 7 and are greater than 25 cm away from the bottom of the meter box body 7; the incoming terminal 1, the outgoing terminal 3 and the neutral wire row 2 are greater than 25 cm away from the bottom of the meter box body 7 to facilitate the access of cables when the installation is carried out on the ground.

[0028] Specifically, in this embodiment, the electric energy meter adopts a three-phase four-wire CTPT type electric energy meter, which can match the accuracy level and voltage and current specifications as needed; the electric energy meter complies with the STS standard, supports local and remote TOKEN recharge, and prepaid and postpaid switching; the electric energy meter is provided with a plurality of output SO terminals, including three output SO terminals, namely off, on, and com. The off output SO terminal is used for tripping, the on output SO terminal is used for closing, and the com output SO terminal represents the common terminal; in the present invention, the electric energy meter uses an optocoupler to generate pulse output by default. If the model terminal of the electric operating mechanism is active, a matching optocoupler relay should be selected according to the voltage level and driving voltage without modifying the PCB design of the electric energy meter; the electric energy meter is provided with a signal input SI terminal, through which the external meter box is detected; at the same time, the electric energy meter also includes a replaceable public network module, through which the master station system can accept remote control, recharge, configuration, and real-time reporting of fault, power theft, power failure and other signals.

[0029] Specifically, in this embodiment, the indicator light 9 is arranged directly below the visual window 14 on the meter box door 17. The indicator light 9 is an operation and alarm indicator light 9, which is controlled by the electric energy meter to indicate whether the current device is powered on, whether the molded case circuit breaker 10 is tripped, and whether there is an alarm message.

[0030] Specifically, in this embodiment, the terminal block 13 includes an electric energy metering terminal box and a signal terminal; the first accommodating area also includes a voltage transformer, which is connected to the electric energy metering terminal box. The voltage transformer is connected to the electric energy meter through the electric energy metering terminal box. When the voltage transformer is not needed, power is directly taken from the incoming line end of the molded case circuit breaker 10.

[0031] Specifically, in this embodiment, the first accommodating area further includes a surge protector 12, which is used to suppress lightning overvoltage and operating overvoltage to protect the metering device from damage. The surge protector 12 is connected to the voltage circuit.

[0032] Specifically, in this embodiment, the PE terminal of the surge protector 12 and the PE terminal of the current transformer 11 need to be grounded.

[0033] Specifically, in this embodiment, hooks 16 are provided on both sides of the meter box body 7, and the metering device can be hung on a utility pole or a wall through the hooks 16.

[0034] Specifically, in this embodiment, an external antenna 8 is provided on one side of the meter box body 7 close to the first accommodating area. When using wireless communication, when the meter box body 7 is made of metal, an external antenna 8 must be provided and fixed on the side of the meter box body 7. It supports two external antennas 8 for the uplink public network and the downlink wireless network. The external antenna 8 needs to be isolated.

[0035] Specifically, in this embodiment, a detection switch 5 is further provided in the first accommodating area. The detection switch 5 is used to detect whether the meter box door 17 is opened or closed to prevent users from stealing electricity.

[0036] Specifically, in this embodiment, the meter box body 7 is divided into a first accommodating area and a second accommodating area by an isolation plate 6. The isolation plate 6 separates the electric energy meter from the molded case circuit breaker 10, thereby enhancing the safety when operating the electric energy meter.

[0037] Specifically, in this embodiment, at least three current transformers 11 are provided in the second accommodation area of the metering device, and the current transformers 11 are connected to the incoming terminal 1 of the molded case circuit breaker 10 , where CT represents the current transformer 11 .

[0038] Specifically, in this embodiment, the meter box body 7 also includes a plurality of heat dissipation holes, which are symmetrically arranged on the sides of the meter box body 7. By arranging a plurality of heat dissipation holes on the sides of the meter box body 7, air convection is formed to dissipate heat from the metering device; the heat dissipation holes can also be arranged at the top edge of the meter box body 7 facing downward, which can achieve heat dissipation and prevent rainwater from entering.

[0039] The above are only preferred embodiments of the present invention and are not intended to limit the patent scope of the present invention. All equivalent structural transformations made based on the contents of the present invention specification and drawings, or direct / indirect applications in other related technical fields, within the scope of the present invention are included in the patent protection scope of the present invention.

Claims

1. An integrated metering device, characterized in that: include: The meter box body and the meter box door are divided into a first accommodating area and a second accommodating area by an isolation plate; the first accommodating area is provided with an electric energy meter, an indicator light and a terminal block; the electric energy meter is connected to the indicator light and the terminal block respectively; the second accommodating area is provided with a molded case circuit breaker and a current transformer; the molded case circuit breaker is provided with an outgoing terminal and an incoming terminal; the current transformer is arranged on the incoming terminal.

2. An integrated metering device according to claim 1, characterized in that: The meter box door is provided with a visual window and a door lock.

3. An integrated metering device according to any one of claims 1-2, characterized in that: A neutral line row and a ground line row are also provided in the second accommodating area.

4. An integrated metering device according to claim 3, characterized in that: The input terminal, output terminal and neutral line bar all pass through the through holes at the bottom of the meter box body and are more than 25 cm away from the bottom of the meter box body.

5. An integrated metering device according to any one of claims 1-2, characterized in that: The terminal block includes an electric energy metering terminal box and signal terminal blocks.

6. An integrated metering device according to claim 5, characterized in that: The first accommodating area further includes a voltage transformer, which is connected to the electric energy metering junction box.

7. An integrated metering device according to any one of claims 1-2, characterized in that: The first accommodating area further includes a surge protector, which is used to suppress lightning overvoltage and operating overvoltage to protect the metering device from damage.

8. An integrated metering device according to any one of claims 1-2, characterized in that: Hooks are provided on the upper and lower sides of the meter box body.

9. An integrated metering device according to any one of claims 1-2, characterized in that: An external antenna is provided on one side of the meter box body close to the first accommodating area.

10. An integrated metering device according to any one of claims 1-2, characterized in that: A detection switch is also provided in the first accommodating area, and the detection switch is used to detect whether the meter box door is opened or closed.

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