阅读说明：本技术 一种双电压连采组合馈电开关 (Double-voltage continuous-mining combined feed switch ) 是由 孙卓 王建伟 张云龙 陈帆 董步州 尹灵通 于 2020-06-20 设计创作，主要内容包括：本发明涉及供配电、通信、自动化控制技术领域,尤其涉及一种双电压连采组合馈电开关,包括箱体外壳、电缆连接器；箱体外壳的内部分隔为1140V隔离开关腔、1140V/400A驱动单元腔、660V隔离开关腔、660V驱动单元腔、低压腔、防爆接线腔、本安接线腔；电缆连接器包括1140V输入侧电缆连接器、1140V输出侧电缆连接器、660V输入侧电缆连接器、660V输出侧电缆连接器。本发明提出了1140V与660V双电压的设计,双电压等级互不干扰,1140V和660V的电压隔爆结构分腔式处理,输入输出侧的电缆连接器不能通用和互换,设备安全性和稳定性高,且自动化程序高。(The invention relates to the technical field of power supply and distribution, communication and automatic control, in particular to a double-voltage continuous-mining combined feed switch, which comprises a box body shell and a cable connector, wherein the box body shell is provided with a first end and a second end; the inner part of the box body shell is divided into a 1140V isolating switch cavity, a 1140V/400A driving unit cavity, a 660V isolating switch cavity, a 660V driving unit cavity, a low-pressure cavity, an explosion-proof wiring cavity and an intrinsic safety wiring cavity; the cable connectors include 1140V input side cable connectors, 1140V output side cable connectors, 660V input side cable connectors, and 660V output side cable connectors. The invention provides a 1140V and 660V double-voltage design, the double-voltage grades are not interfered with each other, the 1140V and 660V voltage explosion-proof structures are processed in a cavity-divided mode, cable connectors on the input side and the output side cannot be used universally and interchanged, the equipment is high in safety and stability, and the automation program is high.)

1. A double-voltage continuous-mining combined feed switch is characterized by comprising a box body shell (1) and a cable connector;

the interior of the box body shell (1) is divided into a 1140V isolating switch cavity (2), a 1140V/400A driving unit cavity (3), a 660V isolating switch cavity (4), a 660V driving unit cavity (5), a low-voltage cavity (6), an explosion-proof wiring cavity (7) and an intrinsic safety wiring cavity (8);

the cable connectors comprise 1140V input side cable connectors (9), 1140V output side cable connectors (10), 660V input side cable connectors (11) and 660V output side cable connectors (12);

a 5-path 1140V output cable connector 10 is arranged on a side plate of the 1140V isolating switch cavity (2), a 4-path 1140V/400A isolating switch (16) is arranged in the cavity, and a 5-path 1140V/400A driving unit (15) and a 4-path 1140V/400A circuit breaker are arranged in the cavity of the 1140V/400A driving unit cavity (3);

a 2-path 660V output cable connector 12 is installed on a side plate of the 660V isolation switch cavity (4), a 2-path 1140V/400A isolation switch (16) is installed in the cavity of the 660V isolation switch cavity, and a 2-path 1140V/400A circuit breaker is installed in the cavity of the 660V driving unit cavity (5);

install PLC control module (17), control computer (18), ann WIFI antenna (13), ann LORA antenna (14) in low-pressure chamber (6).

2. The dual-voltage continuous-mining combined feed switch of claim 1, wherein the 1140V isolating switch cavity (2), the 1140V/400A driving unit cavity (3), the 660V isolating switch cavity (4), the 660V driving unit cavity (5) and the low-voltage cavity (6) are processed in a cavity-divided manner by using an explosion-proof structure.

3. A dual voltage continuous sampling combination feed switch as claimed in claim 1 wherein each 1140V/400A driver unit (15) comprises a processing board and a core board.

4. A dual voltage continuous sampling combined feed switch according to claim 1, characterized in that the control computer (18) is connected with the PLC control module (17) through a TCP/IP interface.

5. A double-voltage continuous-sampling combined feed switch according to claim 4, characterized in that an MP3 voice alarm module is installed in the low-voltage cavity (6).

6. A dual voltage continuous mining combination feed switch according to claim 1, characterized in that the control loop of the low voltage cavity (6) is a dual power supply circuit and is switched by an intermediate relay.

7. The combined feed switch of the claim 1, characterized in that the material of the box outer casing (1) is Q345 steel.

8. The dual-voltage continuous-sampling combined feed switch of claim 1, wherein the 1140V input side cable connector (9), the 1140V output side cable connector (10), the 660V input side cable connector (11) and the 660V output side cable connector (12) are different in size.

Technical Field

The invention relates to the technical field of power supply and distribution, communication and automatic control, in particular to a double-voltage continuous-mining combined feed switch.

Background

At present, most of low-voltage feed switches used in domestic coal mines are monomer feed switches, and are used for supplying power and providing protection functions for loads such as continuous mining machines, digging and anchoring machines, feeding and crushing machines, shuttle cars, anchor rod and anchor cable machines, electric welding machines, water pumps, lighting and the like. The existing feed switch has the following defects:

1. The existing feed switch is mainly a single feed switch, the underground coal mine continuous excavation working face has more equipment, if the single feed is used, the equipment is more laid, the cost is higher, meanwhile, the matching and wiring are more troublesome, and the cable connectors used by the feed switch are more and the cost is higher;

2. in the existing continuous excavation working face, the space of an equipment train is limited, and the space occupied by the installation and matching mode of the existing feed switch is too large, so that the installation of other equipment on the equipment train is influenced;

3. the existing feed switch of the continuous excavation working face has low automation program and can not meet the requirements of the existing intelligent mine.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a double-voltage continuous-sampling combined feed switch.

In order to achieve the purpose, the invention adopts the following technical scheme:

a double-voltage continuous-mining combined feed switch comprises a box body shell and a cable connector; the interior of the box body shell is divided into a 1140V isolating switch cavity, a 1140V/400A driving unit cavity, a 660V isolating switch cavity, a 660V driving unit cavity, a low-pressure cavity, an explosion-proof wiring cavity and an intrinsic safety wiring cavity; the cable connectors comprise 1140V input side cable connectors, 1140V output side cable connectors, 660V input side cable connectors and 660V output side cable connectors; a 5-path 1140V output cable connector 10 is installed on a side plate of the 1140V isolating switch cavity, a 4-path 1140V/400A isolating switch is installed in the cavity, and a 5-path 1140V/400A driving unit and a 4-path 1140V/400A circuit breaker are installed in the cavity of the 1140V/400A driving unit cavity; a 2-path 660V output cable connector 12 is installed on a side plate of the 660V isolation switch cavity, a 2-path 1140V/400A isolation switch is installed in the cavity, and a 2-path 1140V/400A breaker is installed in the cavity of the 660V driving unit cavity; and a PLC control module, a control computer, an intrinsic safety WIFI antenna and an intrinsic safety LORA antenna are arranged in the low-voltage cavity.

Preferably, the 1140V isolating switch cavity, the 1140V/400A driving unit cavity, the 660V isolating switch cavity, the 660V driving unit cavity and the low-pressure cavity are processed in a cavity-separating mode by using an explosion-proof structure.

Preferably, each 1140V/400A drive unit comprises a processing board and a core board.

Preferably, the control computer is connected with the PLC control module through a TCP/IP interface.

Preferably, an MP3 voice alarm module is arranged in the low-pressure cavity.

Preferably, the control loop of the low-voltage cavity is a dual-power circuit and is switched by an intermediate relay.

Preferably, the material of the box body shell is Q345 steel.

Preferably, the 1140V input side cable connector, the 1140V output side cable connector, the 660V input side cable connector and the 660V output side cable connector are different in size.

The invention has the beneficial effects that:

1. the 1140V and 660V double-voltage design is provided, the 1140V and 660V double-voltage grades do not interfere with each other, and the power supply of another voltage cannot be influenced after any one voltage is suddenly stopped.

2. The 1140V and 660V voltage explosion-proof structures are processed in a cavity-divided mode, and meanwhile cable connectors on the input side and the output side cannot be used universally and interchanged, so that misconnection is avoided, and the safety and the stability of equipment are improved.

3. The design of the modularized protection unit is provided, and each drive unit comprises a processing bottom plate and a core plate in a drive unit cavity, so that the protection of each loop is completely independent and does not interfere with each other.

4. The design of the multi-path feed switches with various voltage grades is provided, various devices can be connected in a matching mode, the laying of cables on a working face is reduced, the cost is saved, and meanwhile possible fault nodes are reduced.

Drawings

Fig. 1 is a front three-dimensional structural view of a dual-voltage continuous-sampling combined feed switch according to the present invention;

fig. 2 is a rear three-dimensional structural view of a dual-voltage continuous-sampling combined feed switch according to the present invention;

fig. 3 is a front internal structure view of a dual-voltage continuous-sampling combined feed switch according to the present invention.

In the figure: the device comprises a 1-box shell, a 2-1140V isolating switch cavity, a 3-1140V/400A driving unit cavity, a 4-660V isolating switch cavity, a 5-660V driving unit cavity, a 6-low voltage cavity, a 7-explosion-proof wiring cavity, an 8-intrinsic safety wiring cavity, a 9-1140V input side cable connector, a 10-1140V output side cable connector, an 11-660V input side cable connector, a 12-660V output side cable connector, a 13-intrinsic safety WIFI antenna, a 14-intrinsic safety LORA antenna, a 15-1140V/400A driving unit, a 16-1140V/400A isolating switch, a 17-PLC control module and an 18-control computer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a dual-voltage continuous-mining combined feed switch mainly comprises a box shell 1 and a cable connector;

the interior of the box body shell 1 is divided into a 1140V isolating switch cavity 2, a 1140V/400A driving unit cavity 3, a 660V isolating switch cavity 4, a 660V driving unit cavity 5, a low-voltage cavity 6, an explosion-proof wiring cavity 7 and an intrinsic safety wiring cavity 8;

the cable connectors comprise 1140V input side cable connectors 9, 1140V output side cable connectors 10, 660V input side cable connectors 11 and 660V output side cable connectors 12;

a 5-path 1140V output cable connector 10,1140V is arranged on a side plate of the 1140V isolating switch cavity 2, a 4-path 1140V/400A isolating switch 16 is arranged in the cavity of the 1140V/400A driving unit cavity 2, and a 5-path 1140V/400A driving unit 15 is arranged in the cavity of the 1140V/400A driving unit cavity 3; a 4-way 1140V/400A circuit breaker is arranged in the 1140V/400A driving unit cavity 3;

2 paths of 660V output cable connectors 12 are installed on side plates of a 660V isolation switch cavity 4, 2 paths of 1140V/400A isolation switches 16 are installed in the cavity of the 660V isolation switch cavity 4, and 2 paths of 1140V/400A circuit breakers are installed in the cavity of a 660V driving unit cavity 5;

And a PLC control module 17, a control computer 18, an intrinsic safety WIFI antenna 13 and an intrinsic safety LORA antenna 14 are installed in the low-voltage cavity 6.

In the embodiment, the 1140V isolating switch cavity 2, the 1140V/400A driving unit cavity 3, the 660V isolating switch cavity 4, the 660V driving unit cavity 5 and the low-voltage cavity 6 are processed in a cavity-divided mode by using an explosion-proof structure, and the cavities are connected through connecting terminals, so that the explosion-proof safety can be effectively ensured; the 1140V and 660V double-voltage grades do not interfere with each other, and the power supply of the other voltage cannot be influenced after any one voltage is in emergency stop.

In this embodiment, each 1140V/400A driving unit 15 includes a processing board and a core board, so that each circuit can be completely protected independently without interfering with each other.

In this embodiment, ann's WIFI antenna 13 can connect ann's intelligent terminal or ann's cell-phone, and LORA antenna 14 connects ann's wireless remote control ware, can look over the state information of equipment through intelligent terminal or ann's cell-phone, also can dispose and control equipment through APP simultaneously.

In this embodiment, the PLC control module 17 and the control computer 18 may control and protect a belt along a continuous excavation face, the control computer 18 is connected to the PLC control module 17 through a TCP/IP interface, and configuration software on the control computer 18 may perform functions of parameter configuration, real-time status display, data acquisition and display, data storage, and data query on the device. The PLC control module 17 has functions of data acquisition, information transmission, control command issuing, and the like.

Further, an MP3 voice alarm module is further installed in the low-pressure cavity 6, can be connected with a belt along a line for amplifying a telephone and locking an emergency stop, can replace a sealing-tape machine protection controller, has the sealing-tape machine protection function (seven protection functions of coal piling, emergency stop, speed, deviation, smog, over-temperature water sprinkling and longitudinal tearing), and realizes the integration of voice early warning and broadcasting.

In this embodiment, the control loop of low pressure chamber 6 adopts dual supply redundancy design, switches through auxiliary relay, ensures the operation of control loop 220V power, has guaranteed the stability of low pressure chamber 5 equipment.

As a preferred scheme of the invention, the box body shell 1 is made of Q345 steel, and if different requirements exist, other grades of carbon steel can be used for manufacturing.

As a preferable scheme of the present invention, the 1140V input side cable connectors 9, the 1140V output side cable connectors 10, the 660V input side cable connectors 11, and the 660V output side cable connectors 12 are different in size, and cannot be used universally and interchanged, thereby avoiding wrong connection and improving the safety and stability of the device.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.