Combined mining explosion-proof power distribution device

Abstract

The utility model provides a combined mining explosion-proof power distribution device, which comprises an explosion-proof power distribution box, a plurality of partition plates are connected in the explosion-proof power distribution box to form a through-cavity bus chamber, a centralized control chamber, a wire inlet chamber and four feeder chambers, and the centralized control chamber, the wire inlet chamber and the feeder chambers are sequentially arranged. An integrated circuit breaker is installed in the wire inlet chamber and the feeder line chamber, a control device is installed in the centralized control chamber, and six wire holes which are evenly distributed up and down are formed in the partition plates corresponding to the wire inlet chamber and the feeder line chamber respectively. The utility model relates to the technical field of explosion-proof power distribution, in particular to a combined mining explosion-proof power distribution device. Aiming at the defects in the prior art, the utility model develops the combined mining explosion-proof power distribution device which is light in weight, small in size, convenient to transport and convenient to install in a well, and two sets of devices can be arranged together up and down for use as required.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of explosion -proof power distribution, especially relates to a combined mine explosion -proof power distribution device. BACKGROUND

[0002] The space for installing electrical equipment such as underground coal mine chamber, roadway and mining working face is usually very small, so the volume of electrical equipment is limited.

[0003] The traditional mine explosion -proof power distribution device structure is single -table type, through intermediate mother connection or upper and lower combined structure design, the single -table type structure design defects are large area, high ground flatness requirement, many risk factors in the operation process, the main defects of the upper and lower combined mine explosion -proof power distribution device structure design are large volume, large weight, inconvenient transportation, due to the limitation of the cage, it is inconvenient to go down the well, and many small scale mines cannot go down the well.

[0004] The traditional explosion -proof high -voltage vacuum power distribution device is generally used in underground coal mine, and multiple devices are connected through the bus connection cylinder to realize one -segment or multi -segment power supply system, which has the following problems: ① the single high -voltage power distribution device is large in size, and occupies too large roadway area in the underground substation; ② the traditional high -voltage power distribution device connection mode requires absolute horizontal installation, and the foundation and shell are required to be harsh, once the chamber ground is deformed or the shell processing error exists, the power distribution device level may not be ideal, even the joint surface deformation, gap is too large and other problems, and the explosion risk is increased; ③ the single -table structure design manufacturing cost is much higher than that of the combined structure design raw material cost.

[0005] Therefore, in view of the above problems, a combined mine explosion -proof power distribution device is provided to solve the above problems. INVENTION CONTENTS

[0006] The utility model develops a combined mine explosion -proof power distribution device in view of the prior art shortage, the utility model is small in weight, small in volume, convenient to transport and convenient to install in the well.

[0007] The technical scheme for solving the technical problems of the utility model is as follows: the utility model provides a combined mine explosion -proof power distribution device, which comprises: an explosion -proof power distribution box, a plurality of partitions are connected inside to form a through cavity bus chamber, a centralized control chamber, a wire inlet chamber and four feeder chambers, such as Figure 4As shown, the centralized control room, the incoming line room and the feeder room are arranged in sequence, integrated circuit breakers are installed in the incoming line room and the feeder room, control equipment is installed in the centralized control room, and the partition plates corresponding to the incoming line room and the feeder room are respectively provided with six line holes uniformly distributed in the upper and lower parts; a plurality of cable connectors are fixed on the explosion-proof shell of the explosion-proof distribution box through bolt connection, one of the cable connectors is used for connecting the controller, and the remaining cable connectors are respectively connected to the incoming and outgoing bus bars of the corresponding integrated circuit breakers. The device is composed of three parts of integrated solid full insulation, full shielding circuit breaker, full shielding, full insulation hard bus and full insulation wall penetration terminal. The full insulation hard bus is connected through the full insulation wall penetration terminal, and the three positions of conduction, isolation and grounding are directly realized in the circuit breaker. Each part has a grounding function, realizing full grounding of the high-voltage primary circuit. The circuit breaker includes three incoming lines and three outgoing lines, and six line holes are matched therewith.

[0008] As an optimization, symmetrical limiting holes are arranged on the upper and lower sides of the two ends of the explosion-proof distribution box, and limiting fixing pins are matched with the limiting holes. By adopting the limiting fixing pins and the limiting holes, when multiple explosion-proof distribution boxes are needed, they can be quickly installed.

[0009] As an optimization, two sets of the device can be arranged together for use through the limiting fixing pins, and the bus bars of the two sets of devices are connected through the corresponding cable connectors.

[0010] As an optimization, the explosion-proof distribution box is respectively provided with a front door corresponding to the incoming line room and the feeder room, and a group of rear doors corresponding to the bus bar room are fixed and locked by means of an internal hexagonal bolt. This facilitates installation, maintenance, repair and replacement of equipment.

[0011] As an optimization, the explosion-proof distribution box is fixed on the overall base, which plays a role in waterproofing, moisture-proofing and facilitating installation.

[0012] As an optimization, the explosion-proof distribution box is respectively provided with a wire passing hole corresponding to each cable connector, which facilitates wire threading.

[0013] The effects provided in the content of the utility model are only the effects of the embodiments, and are not all the effects of the utility model. The above technical solutions have the following advantages or beneficial effects:

[0014] (1) The device is composed of three parts of integrated solid full insulation, full shielding circuit breaker, full shielding, full insulation hard bus and full insulation wall penetration terminal, and the three positions of conduction, isolation and grounding are directly realized in the circuit breaker. Each part has a grounding function, realizing full grounding of the high-voltage primary circuit. The circuit breaker includes three incoming lines and three outgoing lines, and six line holes are matched therewith.

[0015] (2) The device has small weight and volume, can be stacked, and is double-layer and detachable. For a mine with small cage size, the device can be detached into single layer and lowered into the mine, and after being positioned in the mine, the device is stacked to form double-layer arrangement in the electromechanical chamber, thereby achieving convenient transportation and lowering into the mine. For a mine with thin coal seam, the device can be directly lowered into the electromechanical chamber in single layer.

[0016] (3) The device is provided with positioning columns and limiting holes, so that the two explosion-proof distribution boxes can be quickly installed. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application.

[0018] Figure 1 is an exploded view of the present application.

[0019] Figure 2 is a schematic view of a three-dimensional structure of the present application.

[0020] Figure 3 is a schematic view of an overall base of the present application.

[0021] Figure 4 is a schematic view of a partially cut three-dimensional structure of the present application.

[0022] In the figure: 1, explosion-proof distribution box, 2, front door, 3, cable connector, 4, limiting fixing pin, 5, limiting hole, 6, rear door, 7, overall base, 8, centralized control room, 9, incoming line room, 10, feeder room, 11, partition, 12, wire hole, 13, wire passing hole, 14, busbar room. DETAILED DESCRIPTION

[0023] For the purpose of clearly illustrating the technical features of the present application, the present application will be described in detail below with reference to the specific embodiments and the accompanying drawings. The following disclosure provides many different embodiments or examples for implementing the various structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. In addition, the present application can repeatedly refer to numbers and / or letters in different examples. Such repetition is for the purpose of simplification and clarity, and in itself does not indicate the relationship between the various embodiments and / or settings discussed. It should be noted that the components illustrated in the drawings are not necessarily drawn to scale. The present application omits the description of known components and processing techniques and processes to avoid unnecessary limitations on the present application. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be a fixed connection, or it can be a detachable connection, or an integral connection; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] As Figures 1 to 4 shown, a combined mine explosion-proof power distribution device, comprising: an explosion-proof power distribution box 1, connecting several partitions 11 inside, forming a through cavity bus chamber 14, forming a centralized control chamber 8, a line inlet chamber 9, four feeder chambers 10, as Figure 4As shown, the centralized control room 8, the incoming line room 9 and the feeder room 10 are arranged in sequence, integrated circuit breakers are installed in the incoming line room 9 and the feeder room 10, control equipment is installed in the centralized control room 8, and the partition 11 corresponding to the incoming line room 9 and the feeder room 10 is respectively provided with six line holes 12 uniformly distributed in the upper and lower parts; a plurality of cable connectors 3 are fixed on the explosion-proof housing of the explosion-proof distribution box 1 by bolt connection, one of the cable connectors 3 is used to connect the controller, and the remaining cable connectors 3 are respectively connected to the incoming and outgoing bus bars of the corresponding integrated circuit breakers. The device is composed of three parts: integrated solid full-insulation, full-shield circuit breakers, full-shield, full-insulation rigid bus bars and full-insulation wall-through terminals. The full-insulation rigid bus bars are connected through the full-insulation wall-through terminals, and the three positions of conduction, isolation and grounding are directly realized in the circuit breaker. Each part has a grounding function, realizing full grounding of the high-voltage primary circuit. The circuit breaker includes three incoming lines and three outgoing lines, and six line holes 12 are matched therewith.

[0025] The explosion-proof distribution box 1 is respectively provided with symmetrical limiting holes 5 on the upper and lower sides of both ends, and the limiting fixing pins 4 are matched with the limiting holes 5. By using the limiting fixing pins 4 and the limiting holes 5, when multiple explosion-proof distribution boxes 1 are needed, they can be quickly installed.

[0026] Two sets of the device can be arranged together by the limiting fixing pins 4 and used together, and the bus bars of the two sets of devices are connected through the corresponding cable connectors 3.

[0027] The explosion-proof distribution box 1 is respectively provided with front doors 2 corresponding to the incoming line room 9 and the feeder room 10, and a group of rear doors 6 corresponding to the bus bar room 14 are fixed and locked by internal hexagonal bolts. This facilitates installation, maintenance, repair and replacement of equipment.

[0028] The explosion-proof distribution box 1 is fixed on the overall base 7, which plays a role in waterproofing, moisture-proofing and facilitating installation.

[0029] The explosion-proof distribution box 1 is respectively provided with wire holes 13 corresponding to each cable connector 3, which facilitates wire threading.

[0030] The device is mainly suitable for central, panel and mining area substations in coal mines, large roadway belts, crossheading belts, tunneling working face distribution points, temporary distribution points and other harsh environments with explosion-proof needs.

[0031] Based on the continuous improvement of the mechanization, automation and informatization level of coal production, the continuous investment of various large equipment and high-end equipment makes the scale of coal mine power grid larger and the operation environment more complex. Under the background that the traditional high-voltage vacuum power distribution device has various disadvantages, the research of the primary high-voltage loop of the mine-used explosion-proof power distribution device can greatly improve the safety and reliability of the underground power supply of coal mine, and has important practical significance and value for the construction of safe, efficient, green and intelligent modern mine and the realization of unmanned operation in coal mine. Under the background of promoting intelligent mine construction, double carbon standard and product localization, the market prospect is broad.

[0032] Although the specific embodiments of the utility model have been described above in combination with the drawings, it is not a limitation on the protection scope of the utility model. Various modifications or changes made by those skilled in the art on the basis of the technical scheme of the utility model without creative labor are still within the protection scope of the utility model.

Claims

1. A combined mine explosion-proof power distribution device, characterized in that, Include: Explosion-proof distribution box (1), connecting several partitions (11) to form a through-cavity bus chamber (14), form a centralized control room (8), a incoming line room (9), four feeder rooms (10), arranged in order as the centralized control room (8), the incoming line room (9) and the feeder room (10), the incoming line room (9) and the feeder room (10) are installed integrated circuit breaker, the centralized control room (8) is installed control equipment, the partitions (11) corresponding to the incoming line room (9) and the feeder room (10) are provided with six line holes (12) uniformly distributed above and below, respectively; A plurality of cable connectors (3) are fixed on the explosion-proof housing of the explosion-proof distribution box (1) by bolts, one of the cable connectors (3) is used to connect the controller, and the remaining cable connectors (3) are respectively connected to the incoming and outgoing bus terminals of the corresponding integrated circuit breaker.

2. The combined mine explosion-proof power distribution device according to claim 1, characterized in that: The explosion-proof distribution box (1) is provided with symmetrical limiting holes (5) on the upper and lower sides of both ends, and the limiting fixing pins (4) match the limiting holes (5).

3. The combined mine explosion-proof power distribution device according to claim 2, characterized in that: Two sets of the device can be arranged together by the limiting fixing pins (4) and used together, and the bus bars of the two sets of devices are connected correspondingly through the cable connectors (3).

4. The combined mine explosion-proof power distribution device of claim 1, characterized in that: The explosion-proof distribution box (1) is provided with a front door (2) corresponding to the incoming line room (9) and the feeder room (10), respectively, and a group of rear doors (6) corresponding to the bus chamber (14) are installed on the explosion-proof distribution box (1) and are fixed and locked by internal hexagonal bolts.

5. The combined mine explosion-proof power distribution device of claim 1, characterized in that: The explosion-proof distribution box (1) is fixed on the overall base (7).

6. The combined mine explosion-proof power distribution device of claim 1, characterized in that: The explosion-proof distribution box (1) is provided with a wire hole (13) corresponding to each cable connector (3).

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