CN211426588U - Electric quantity instrument system comprising voltage sampler and current transformer - Google Patents
Electric quantity instrument system comprising voltage sampler and current transformer Download PDFInfo
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- CN211426588U CN211426588U CN201922335261.XU CN201922335261U CN211426588U CN 211426588 U CN211426588 U CN 211426588U CN 201922335261 U CN201922335261 U CN 201922335261U CN 211426588 U CN211426588 U CN 211426588U
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Abstract
The utility model discloses an electricity meter system comprising a voltage sampler and a current transformer, based on a power distribution cabinet main body comprising a plurality of openings for connecting wires, a wire arranged on the power distribution cabinet main body, a circuit breaker connected with the wire, comprising the voltage sampler arranged on the power distribution cabinet main body, the current transformer arranged on the power distribution cabinet main body and an electricity meter arranged on the power distribution cabinet main body; the electric quantity meter is arranged at the position of an opening of the power distribution cabinet main body, the voltage sampler is arranged at the position of a node of a lead in front of a circuit breaker, and the current transformer is arranged at the position of a node of the lead behind the circuit breaker; the voltage sampler and the current transformer are installed or connected with a wireless transmitter, and the electric quantity meter is provided with a wireless transmitter and a wireless receiver. The electric wire and the insurance are saved, the working time and the labor are saved, the cost is greatly reduced, and the core competitiveness of the project in the shelf life is improved; convenient operation and maintenance, safety and reliability.
Description
Technical Field
The utility model relates to an electric quantity instrument technical field of electric quantity instrument especially relates to an electric quantity instrument system including voltage sampler and current transformer.
Background
At present in the low-voltage distribution cabinet of complete set, the coulometer that uses generally carries out current acquisition through the mutual-inductor is wired, is connected to the backstage through the communication line and carries out the communication, the ubiquitous following problem:
1. current sampling: the mutual inductor is fixedly arranged on the copper bar and is connected to an interface of the electric quantity instrument through a sampling line on the mutual inductor; different installation positions and different lengths and trends of sampling lines are different, so that the scheme is difficult to standardize;
2. voltage sampling: the sampling point is connected to the fuse, and then the fuse is connected to the interface of the electric meter; the voltage sampling of each electric meter must be matched with 3 insurance, the calculated quantity of a large project is huge, and a large amount of installation space in a cabinet is occupied;
3. communication: a common manufacturer connects the communication of the instrument to a reserved terminal, and a user pulls a wire from the terminal to go to a background for monitoring through a special cable channel or a bridge;
4. above several wired accesses, the circuit span is long, and the use amount of electric wire is also not few, increases the cost, and the maintenance of the later stage causes not few difficulties.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
The applicant proposes a coulometer system comprising a voltage sampler and a current transformer, aiming at solving the above problems.
SUMMERY OF THE UTILITY MODEL
In order to meet the requirements, the utility model aims to provide an electric quantity instrument system comprising a voltage sampler and a current transformer, aiming at thoroughly changing the wired connection method of the traditional power distribution cabinet without influencing the use of functions; after the wiring is cancelled, all the interfaces can be cancelled, the appearance structure of the product can be optimized, and the IP grade can be improved; can adopt original trompil size completely in the installation, owing to practiced thrift the use of electric wire, also can use the interior line of walking of cabinet to show neatly more and comfortable, can match and judge electric current or voltage signal.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an electric quantity instrument system comprising a voltage sampler and a current transformer is based on a power distribution cabinet main body comprising a plurality of openings for connecting wires, a lead arranged on the power distribution cabinet main body, and a circuit breaker connected with the lead, and comprises the voltage sampler arranged on the power distribution cabinet main body, the current transformer arranged on the power distribution cabinet main body, and an electric quantity instrument arranged on the power distribution cabinet main body;
the electric quantity meter is arranged at the position of an opening of the power distribution cabinet main body, the voltage sampler is arranged at the position of a node of a lead in front of a circuit breaker, and the current transformer is arranged at the position of a node of the lead behind the circuit breaker;
the voltage sampler and the current transformer are installed or connected with a wireless transmitter, and the electric quantity meter is provided with a wireless transmitter and a wireless receiver.
In one possible embodiment, the number of the voltage samplers is at least 4, and the voltage samplers are respectively installed on the three phase lines and the zero line.
In one possible embodiment, the number of the current transformers is at least 3, and the current transformers are respectively arranged at three phase positions.
In one possible embodiment, the coulometer includes a numerical display panel.
In one possible embodiment, the voltage sampler has a fuse built in.
In one possible embodiment, one end of the current transformer is fixed to the power distribution cabinet main body, and the wire penetrates through the current transformer.
In one possible embodiment, the current transformer is mounted to the cabinet body by fasteners.
In one possible embodiment, the meter sends the acquired signal to a remote monitor via a wireless transmitter.
Compared with the prior art, the beneficial effects of the utility model reside in that: the coulometer system of this scheme of adoption utilizes wireless transmitter and wireless receiver can receive the means of wireless acquisition signal for the coulometer can obtain the numerical value of current transformer and voltage sampler under the condition of not working a telephone switchboard, and shows on display panel, and this scheme has following advantage:
1. the electric wire and the insurance are saved, the working time and the labor are saved, the cost is greatly reduced, and the core competitiveness of the project in the shelf life is improved;
2. the operation and maintenance are convenient, safe and reliable;
3. data are sent to the background monitoring through the wireless transmitting principle of the wireless transmitter, and the data can be digitized, networked and intelligentized in the form, so that multi-platform monitoring and experience are realized.
The invention is further described with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a coulometer system according to the present invention, which includes a voltage sampler and a current transformer;
FIG. 2 is a schematic view of the internal components of the structure of FIG. 1 (with the side housing removed);
fig. 3 is a schematic diagram of a system framework of an embodiment of the coulometer system of the present invention, which includes a voltage sampler and a current transformer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer 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, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
As shown in fig. 1 and fig. 2, for the structure schematic diagram of the specific embodiment of the coulometer system including the voltage sampler and the current transformer provided by the present invention, based on the power distribution cabinet main body 100 including a plurality of openings for connecting wires, the wire 101 installed on the power distribution cabinet main body 100, the circuit breaker 102 connected to the wire 101, the voltage sampler 103 installed on the power distribution cabinet main body 100, the current transformer 104 installed on the power distribution cabinet main body 100, and the coulometer 105 installed on the power distribution cabinet main body 100;
specifically, the electric quantity meter 105 is only used as a display meter in the present embodiment, and is used for displaying electric quantity information.
The electric quantity appearance 105 is installed in the trompil position of switch board main part 100, wherein, because this scheme mainly applies to on the current switch board product, and current switch board belongs to comparatively old and useless equipment mostly, and direct replacement can produce great economic problem, consequently, utilizes the current trompil of switch board main part 100 in this scheme, installs electric quantity appearance 105, and preceding trompil is owing to no longer needing extra line, can seal the processing, also can guarantee the waterproof function of electric quantity appearance or equipment.
The voltage sampler 103 is installed at a node position of the lead 101 in front of the breaker 102, and the current transformer 104 is installed at a node position of the lead 101 in back of the breaker 102;
the voltage sampler 103 and the current transformer 104 are installed or connected with a wireless transmitter, and the electric meter 105 is provided with a wireless transmitter and a wireless receiver.
Specifically, the connection relationship between the voltage sampler 103, the current transformer 104 and the electric meter 105 can be realized by referring to fig. 3, wherein the connection relationship is not required to be realized by a program, the wireless transmitter can be realized by using a radio frequency technology in the prior art, and the wireless receiver can also adopt the same radio frequency receiving circuit, and then the editable logic controller is used for realizing data reception.
Specifically, because the switch board generally is metal material, wireless transmitter, receiver are difficult to pierce through, consequently, the coulometer equipment back should be installed inside the switch board, sets up wireless receiver (like the wiFi receiver) at its back, sets up wireless transmitter (like the WiFi transmitter) at its panel portion (being located the switch board surface to the managers observes), can avoid metal material can not pierce through wireless signal's problem. The internal voltage sampler 103 and current transformer 104 are preferably implemented to send data to the meter 105.
In a preferred embodiment, as shown in fig. 1, 2 and 3, the number of the voltage samplers 103 is at least 4, and the voltage samplers 103 are respectively installed on the three phase lines and the zero line.
As a preferred embodiment, as shown in fig. 1, 2 and 3, the number of the current transformers 104 is at least 3, and the current transformers 104 are respectively installed at three phase positions.
Data obtained by the voltage sampler 103 and the current transformer 104 are used as input of the electric quantity instrument 105 for displaying electric quantity information.
In a preferred embodiment, the meter 105 includes a numerical display panel.
In one possible embodiment, the voltage sampler 103 has a fuse built in.
In a preferred embodiment, one end of the current transformer 104 is fixed to the power distribution cabinet main body 100, and the wire 101 passes through the current transformer 104. The current transformer 104 obtains the magnitude of the current by generating a magnetic induction phenomenon with the wire 104 passing through itself. And sent to the meter 105 by a wireless transmitter.
In one possible embodiment, the current transformer 104 is mounted to the cabinet body 100 by fasteners.
In one possible embodiment, as shown in fig. 3, the meter 105 sends the acquired signal to a remote monitor via a wireless transmitter.
It should be noted that, as will be clear to those skilled in the art, the specific implementation process of the electronic module (unit) may refer to the corresponding description in the foregoing structural embodiment, and for convenience and brevity of description, no further description is provided herein.
Those of ordinary skill in the art will appreciate that the elements of the examples described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention. It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the components and units described above may refer to corresponding parts in the foregoing structural embodiments, and will not be described again here.
In the embodiments provided in the present invention, it should be understood that the disclosed units may be implemented in other manners. For example, the above-described module embodiments are merely illustrative. For example, the division of each unit is only one logic function division, and there may be another division manner in actual implementation. For example, more than one unit or component may be combined or may be integrated into another system, or some features may be omitted, or not implemented.
Various other modifications and changes can be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the protection scope of the present invention.
Claims (8)
1. The coulometer system comprises a voltage sampler and a current transformer, and is based on a power distribution cabinet main body comprising a plurality of openings for connecting wires, a lead arranged on the power distribution cabinet main body and a circuit breaker connected with the lead, and is characterized by comprising the voltage sampler arranged on the power distribution cabinet main body, the current transformer arranged on the power distribution cabinet main body and an coulometer arranged on the power distribution cabinet main body;
the electric quantity meter is arranged at the position of an opening of the power distribution cabinet main body, the voltage sampler is arranged at the position of a node of a lead in front of a circuit breaker, and the current transformer is arranged at the position of a node of the lead behind the circuit breaker;
the voltage sampler and the current transformer are installed or connected with a wireless transmitter, and the electric quantity meter is provided with a wireless transmitter and a wireless receiver.
2. The coulometric system of claim 1, comprising a voltage sampler and a current transformer, wherein the number of voltage samplers is at least 4, the voltage samplers being mounted on the three phase and neutral lines, respectively.
3. The coulometer system of claim 1, wherein the number of current transformers is at least 3, and the current transformers are respectively mounted at three phase positions.
4. The coulometer system of claim 1, comprising a voltage sampler and a current transformer, wherein the coulometer comprises a numerical display panel.
5. The coulometer system of claim 1, wherein the voltage sampler comprises a fuse with a current transformer.
6. The coulometer system of claim 1, wherein the current transformer is fixed to the main body of the power distribution cabinet at one end, and the wire passes through the current transformer.
7. The coulometer system of claim 6, wherein the current transformer is mounted to the power distribution cabinet body by fasteners.
8. The coulometer system of claim 1, comprising a voltage sampler and a current transformer, wherein the coulometer system sends the acquired signal to a remote monitor via a wireless transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922335261.XU CN211426588U (en) | 2019-12-20 | 2019-12-20 | Electric quantity instrument system comprising voltage sampler and current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922335261.XU CN211426588U (en) | 2019-12-20 | 2019-12-20 | Electric quantity instrument system comprising voltage sampler and current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211426588U true CN211426588U (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922335261.XU Active CN211426588U (en) | 2019-12-20 | 2019-12-20 | Electric quantity instrument system comprising voltage sampler and current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211426588U (en) |
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2019
- 2019-12-20 CN CN201922335261.XU patent/CN211426588U/en active Active
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