CN220122351U - Distribution board device and distribution equipment - Google Patents

Abstract

The utility model relates to the technical field of electric automation, in particular to a distribution board device and distribution equipment. The distribution board device includes: the substrate module comprises a PCBA substrate, wherein the PCBA substrate is provided with a prefabricated circuit of an internal wiring; the electrical accessory is used for realizing the application function of the distribution board device, is assembled on the PCBA substrate and is electrically connected through a prefabricated circuit on the PCBA substrate; the structure fixing piece is detachably connected to the substrate module and used for fixing the substrate module and the electric fittings. The method can reduce the complexity of connection between devices and can provide the device expansion function.

Description

Distribution board device and distribution equipment

Technical Field

The utility model relates to the technical field of electric automation, in particular to a distribution board device and distribution equipment.

Background

A switchboard, which may also be referred to as a power distribution cabinet, is a device that concentrates, switches, distributes electrical energy. The distribution board generally consists of a cabinet body, a switch (breaker), a protection device, a monitoring device, an electric energy meter and other secondary components. The device is installed at power stations, substations and power customers with large power consumption. The main purpose of the distribution board is to facilitate power failure and power transmission, play a role in metering and protection and are beneficial to engineering technicians to overhaul when circuit faults occur. In application, the distribution board can be used alone or as a matching device of mechanical equipment. With the increasing demands on various mechanical devices, the processing and manufacturing of the distribution board is also being improved. With the upgrading of electrical components and the improvement of machining level, the quality of the distribution board is greatly improved.

At present, a generally used switchboard device comprises an air switch, a safety device, a relay, a contactor, a PLC, a time relay, a wiring terminal block and the like, and after the switchboard device is designed, the electrical accessories are fixed on an insulating plate or a metal plate and are connected and wired through wires, so that a switchboard circuit is formed, and the function of the switchboard is realized.

However, the conventional switchboard apparatus has the following technical problems:

along with the continuous expansion of the functions of the distribution board device, the connection and layout modes of the devices by adopting the wires can lead to the defects of complex wiring and high layout design difficulty of the conventional distribution board device, and meanwhile, the safety of the distribution board device is also negatively affected.

Disclosure of Invention

In view of this, it is necessary to provide a switchboard apparatus and a power distribution equipment capable of reducing the complexity of connection between devices and providing a device expansion function.

In a first aspect, the present utility model provides a switchboard device comprising:

the substrate module comprises a PCBA substrate, wherein the PCBA substrate is provided with a prefabricated circuit of an internal wiring;

the electrical accessory is used for realizing the application function of the distribution board device, is assembled on the PCBA substrate and is electrically connected through a prefabricated circuit on the PCBA substrate;

the structure fixing piece is detachably connected to the substrate module and used for fixing the substrate module.

In one embodiment, the electrical accessory comprises:

the main incoming line terminal is arranged on the substrate module and is used for realizing connection between the distribution board device and an external conductor;

the total power-on circuit breaker is arranged at the output end of the total wire-in terminal and is used for distributing electric energy and protecting a distribution board device;

the total incoming line grounding terminal is arranged on the substrate module and is electrically connected with a grounding wire of the distribution board device;

and the external output terminal is arranged on the substrate module and is electrically connected with an external load.

In one embodiment, the electrical accessory comprises:

and the surge protector is arranged on the substrate module and is used for protecting surges with instantaneous overvoltage in a distribution board device loop.

In one embodiment, the electrical accessory comprises:

the branch circuit breaker is arranged between the total incoming line terminal and the total incoming line circuit breaker, and the output end of the branch circuit breaker is connected with a first pair of external output terminals and used for independently controlling the power distribution of loads connected with the first pair of external output terminals.

In one embodiment, the electrical accessory comprises:

and the measuring circuit breaker is arranged at the output end of the total power feeding circuit breaker and is connected with measuring equipment at the same time for realizing the measurement of the power consumption of the distribution board device.

In one embodiment, the electrical accessory comprises:

and the current transformer module is arranged between the total power supply circuit breaker and the mutual inductance measuring equipment and is used for realizing current monitoring of the distribution board device.

In one embodiment, the electrical accessory comprises:

the signal processing module is arranged between the total power supply circuit breaker and the power utilization load and is used for processing the current output by the distribution board device;

the signal processing module comprises a filtering unit.

In one embodiment, the electrical accessory comprises:

the controller module is arranged between the output end of the signal processing unit and the power utilization load, and controls the output of a second pair of external output terminals connected with the power utilization load.

In one embodiment, the external output terminal includes:

and the third pair of external output terminals comprise a plurality of interface types, and are directly and/or indirectly connected to the output end of the total power feeding circuit breaker.

In a second aspect, the present utility model provides a power distribution apparatus comprising a switchboard apparatus according to any of the embodiments of the first aspect.

Above-mentioned distribution board equipment can reach following beneficial effect:

including base plate module, electrical accessory and structure mounting in the distribution board equipment, by base plate module as the main part, electrical accessory and structure mounting all set up on base plate module, realize being connected between the electrical accessory through the PCBA base plate that sets up on the base plate module, thereby help making the connection between the electrical accessory in the distribution board equipment, and be connected between electrical accessory and the external load in the distribution board equipment and be realized through the inside layout wiring of PCBA base plate, thereby help reducing the quantity that the wire in the distribution board equipment used, thereby help reducing the security problem such as flying lead that bring because the wire is connected, help improving security and stability in the distribution board equipment use. On the other hand, through the connection between the electrical accessory of PCBA base plate realization, help reducing the design degree of difficulty of distribution board equipment, help providing higher expansibility for distribution board equipment simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments or the conventional techniques of the present utility model, the drawings required for the descriptions of the embodiments or the conventional techniques will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

Fig. 1 is a schematic diagram of a switchboard device according to an embodiment;

FIG. 2 is a schematic illustration of an accessory of a switchboard device in one embodiment;

FIG. 3 is a diagram showing an example of connection of a switchboard device in an embodiment;

fig. 4 is a diagram showing an example of connection of the moving contactor in one embodiment.

Reference numerals illustrate: 1. a substrate module; 2. an electrical accessory; 3. and a structural fixing piece.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Embodiments of the utility model are illustrated in the accompanying drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

It will be understood that the terms first, second, etc. as used herein may be used to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another element. For example, a first resistance may be referred to as a second resistance, and similarly, a second resistance may be referred to as a first resistance, without departing from the scope of the utility model. Both the first resistor and the second resistor are resistors, but they are not the same resistor.

It is to be understood that in the following embodiments, "connected" is understood to mean "electrically connected", "communicatively connected", etc., if the connected circuits, modules, units, etc., have electrical or data transfer between them.

It is understood that "at least one" means one or more and "a plurality" means two or more. "at least part of an element" means part or all of the element.

As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof. Also, the term "and/or" as used in this specification includes any and all combinations of the associated listed items.

The present utility model has been made based on the knowledge and study of the following problems:

the switchboard device that usually uses includes air switch, insurance, relay, contactor, PLC, time relay, binding post row etc. after the switchboard device is designed to accomplish, fix these electrical accessories on insulation board or metal sheet to connect and wiring through the wire, thereby constitute the switchboard circuit, realize the function of switchboard.

However, the present inventors have studied and analyzed it to find that the conventional switchboard device at present has the following technical problems:

along with the continuous expansion of the functions of the distribution board device, the connection and layout modes of the devices by adopting the wires can lead to the defects of complex wiring and high layout design difficulty of the conventional distribution board device, and meanwhile, the safety of the distribution board device is also negatively affected.

In one embodiment, the present utility model provides a switchboard device, which may include, as shown in fig. 1: a substrate module 1, an electrical fitting 2 and a structural fixture 3.

The base module 1 serves as a main body part of a switchboard device for carrying electrical fittings 2 and is fastened to a power distribution system by means of a structural fastening 3. The substrate module 1 comprises a PCBA substrate, which may be a printed wiring board finished product printed according to a predetermined circuit design.

The electrical accessory 2 is used for implementing an application function of the switchboard device, and the electrical accessory 2 may include accessories of various functional categories, such as a transmission type accessory, a safety protection type accessory, a signal processing type accessory, a monitoring type accessory, and the like. Fittings of different specification parameters, such as different measurement ranges, different power levels, etc., may also be included in the same functional category.

The structure fixing member 3 can be used for fixing the substrate module 1 and the electric fitting 2, and in application, the structure fixing member 3 can be used for fixing the substrate module 1 at a mounting position such as a distribution box, a wall body, a cabinet body and the like, and the structure fixing member 3 can also provide an auxiliary fixing effect for enhancing the mounting stability of the electric fitting 2 when the electric fitting 2 is mounted on the substrate module 1. The structural fixing member 3 can be detachably arranged on the base plate module 1 so as to be replaced according to the use requirement of technicians. The structure fixing piece 3 can be a clamping jaw, a screw, a fixing frame, a magnetic attraction buckle and the like.

By realizing the above-mentioned distribution board device, the following beneficial effects can be realized:

the electrical panel equipment comprises a substrate module 1, electrical accessories 2 and a structure fixing piece 3, wherein the substrate module 1 is used as a main body, the electrical accessories 2 and the structure fixing piece 3 are arranged on the substrate module 1, connection between the electrical accessories 2 is realized through a PCBA substrate arranged on the substrate module 1, connection between the electrical accessories 2 in the electrical panel equipment and connection between the electrical accessories 2 and external loads in the electrical panel equipment are realized through internal layout wiring of the PCBA substrate, the number of wires used in the electrical panel equipment is reduced, safety problems such as flying wires caused by wire connection are reduced, and the safety and stability of the electrical panel equipment in use are improved. On the other hand, the connection between the electrical accessories 2 is realized through the PCBA substrate, so that the design difficulty of the distribution board equipment is reduced, and the higher expansibility of the distribution board equipment is provided.

In one embodiment, as can be seen in fig. 2 and 3, the electrical fitting 2 comprises: the device comprises a total incoming line terminal, a total incoming line breaker, a total incoming line grounding terminal and an external output terminal. The terminals may refer to terminals for transmitting electrical signals or transmitting electrical energy, may be wiring copper bars, and the like. The total incoming line terminal is provided on the substrate module 1 and can be used for realizing the connection between the switchboard device and an external conductor, which can be referred to as an external superior power transmission conductor in general. The total incoming circuit breaker is arranged at the output end of the total incoming terminal and can be used for distributing the electric energy input from the total incoming terminal and protecting the distribution board device. The total incoming line grounding terminal can be arranged on the substrate module 1 and electrically connected with the grounding wire of the distribution board device, thereby realizing the grounding of the distribution board device. The external output terminal can be arranged on the substrate module 1 and electrically connected with an external load, so that the distribution board device can output electric energy and supply power to the outside.

In one embodiment, the electrical accessory 2 may include a surge protector, as may be seen in fig. 2 and 3. In particular, a surge protector may be provided on the base plate module 1 for protecting against surges of momentary overvoltage in the switchgear circuit.

In one embodiment, the electrical accessory 2 may include a branch circuit breaker, as may be seen in fig. 2 and 3. Specifically, the output end of the branch circuit breaker is connected to the first pair of external output terminals, so that it can be used to independently control the distribution of the load connected to the first pair of external output terminals. For example, the branch circuit breaker may be a lighting circuit breaker, so that the branch circuit breaker may be connected to the lighting device through the first pair of external output terminals, thereby achieving independent control of the lighting device.

In one embodiment, the electrical accessory 2 may include a measuring circuit breaker, as may be seen in fig. 2 and 3. Specifically, the measuring circuit breaker is arranged at the output end of the total power feeding circuit breaker, and the measuring circuit breaker is simultaneously connected with the measuring equipment and is used for realizing the electric power measurement of the distribution board device. For example, the measuring circuit breaker may be a power meter circuit breaker, and the measuring device may be an external power meter, so that the electric power used by the switchboard device may be monitored and recorded.

In one embodiment, the electrical accessory 2 may include a current transformer module, as may be seen in fig. 2 and 3. Specifically, the current transformer module may be disposed between the total power feeding breaker and the transformer measurement device, for implementing current monitoring of the switchboard device. For example, the current transformer module may include three current transformers, each of which is connected to one single-phase line, so that three-phase balance currents of the switchboard device can be measured through the three current transformers. In addition, the current transformer module can also be used for expanding the range of the thermal relay.

In one embodiment, the electrical accessory 2 may include a signal processing module, as may be seen in fig. 2 and 3. Specifically, the signal processing module may be disposed between the total power supply breaker and the power load, and is configured to process the current output by the switchboard device. The signal processing module may include a filtering unit, a rectifying unit, and the like. The filtering unit can filter the received direct current to prevent the impurity interference signal from interfering the driving signal. In particular, the filtering unit may include a passive filtering circuit and an active filtering circuit. The passive filter circuit can be composed of passive elements (resistor, capacitor and inductor), and the main forms of the passive filter circuit are capacitive filter, inductive filter and duplex filter (including inverted L-shaped filter, LC pi-shaped filter, RC pi-shaped filter and the like). The active filter circuit may also consist of active elements (bipolar, unipolar, integrated op-amp), the main form of which is active RC filtering.

In one embodiment, the electrical accessory 2 may include a controller module, as may be seen in fig. 2 and 3. Specifically, the controller module may be disposed between an output end of the signal processing unit and the electric load, and may be used to control output of a second pair of external output terminals connected to the electric load. The controller module may include a PLC controller, a motion contactor, and the like. Specifically, a connection diagram when the controller module is a moving contactor may be as shown in fig. 4, in which the PLC controller may control the level of run_con1. Specifically, when run_con1 is low, RST and UVW are turned on, and J19 outputs 220V voltage to the external connector. When run_con1 is high, RST and UVW are disconnected and J19 is output to the external connector as 0. The J22 acts as an external connector for the PLC to monitor the working state of the J11 motion contactor.

In one embodiment, as shown in fig. 2 and fig. 3, the external output terminals may include a third pair of external output terminals, where the third pair of external output terminals may refer to expansion terminals that may connect any external load through the external output connection copper bar according to the use requirement of a technician. The third pair of external output terminals may be directly and/or indirectly connected to the output of the total power inlet circuit breaker.

Based on the same inventive concept, the present utility model provides a power distribution device comprising a switchboard device according to any of the embodiments of the first aspect.

It will be appreciated that the above-described one switchboard device may take other forms, not limited to the forms already mentioned in the above-described embodiments, as long as it can achieve the effect of reducing the complexity of the connection between the devices and providing the device expansion function.

In the description of the present specification, reference to the term "some embodiments," "other embodiments," 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 utility model. In this specification, schematic descriptions of the above terms do not necessarily refer to the same embodiment or example.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples merely represent a few embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the present utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of the utility model should be assessed as that of the appended claims.

Claims (10)

1. A switchboard device, characterized in that it comprises:

the substrate module (1), the substrate module (1) comprises a PCBA substrate, and the PCBA substrate is provided with a prefabricated circuit of an internal wiring;

the electrical accessory (2) is used for realizing the application function of the distribution board device, and the electrical accessory (2) is assembled on the PCBA substrate and is electrically connected through a prefabricated circuit on the PCBA substrate;

the structure fixing piece (3), the structure fixing piece (3) can be detachably connected to the substrate module (1) and is used for fixing the substrate module (1) and the electric fitting (2).

2. A switchboard device according to claim 1, characterized in that said electrical accessory (2) comprises:

the main incoming line terminal is arranged on the substrate module (1) and is used for realizing connection between the distribution board device and an external conductor;

the total power-on circuit breaker is arranged at the output end of the total wire-in terminal and is used for distributing electric energy and protecting a distribution board device;

the total incoming line grounding terminal is arranged on the substrate module (1) and is electrically connected with a grounding wire of the distribution board device;

and the external output terminal is arranged on the substrate module (1) and is electrically connected with an external load.

3. A switchboard device according to claim 2, characterized in that said electrical accessory (2) comprises:

and the surge protector is arranged on the base plate module (1) and is used for protecting the surge of instantaneous overvoltage in a distribution board device loop.

4. A switchboard device according to claim 2, characterized in that said electrical accessory (2) comprises:

the branch circuit breaker is arranged between the total incoming line terminal and the total incoming line circuit breaker, and the output end of the branch circuit breaker is connected with a first pair of external output terminals and used for independently controlling the power distribution of loads connected with the first pair of external output terminals.

5. A switchboard device according to claim 2, characterized in that said electrical accessory (2) comprises:

and the measuring circuit breaker is arranged at the output end of the total power feeding circuit breaker and is connected with measuring equipment at the same time for realizing the measurement of the power consumption of the distribution board device.

6. A switchboard device according to claim 2, characterized in that said electrical accessory (2) comprises:

and the current transformer module is arranged between the total power supply circuit breaker and the mutual inductance measuring equipment and is used for realizing current monitoring of the distribution board device.

7. A switchboard device according to claim 2, characterized in that said electrical accessory (2) comprises:

the signal processing module is arranged between the total power supply circuit breaker and the power utilization load and is used for processing the current output by the distribution board device;

the signal processing module comprises a filtering unit.

8. A switchboard device according to claim 7, characterized in that said electrical accessory (2) comprises:

and the controller module is arranged between the output end of the signal processing module and the power utilization load and is used for controlling the output of a second pair of external output terminals connected with the power utilization load.

9. A switchboard apparatus according to claim 2, characterized in that said external output terminal comprises:

and the third pair of external output terminals comprise a plurality of interface types, and are directly and/or indirectly connected to the output end of the total power feeding circuit breaker.

10. A power distribution apparatus comprising a switchboard device as claimed in any of claims 1 to 9.