CN217157987U

CN217157987U - Low voltage feed interconnection switch

Info

Publication number: CN217157987U
Application number: CN202220989210.8U
Authority: CN
Inventors: 常国辉; 李旺然; 尹良贵; 宗东升; 谢平; 边江; 徐剑; 沈岩; 程双
Original assignee: Huainan Wantai Electric Co ltd
Current assignee: Huainan Wantai Electric Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-08-09
Anticipated expiration: 2032-04-26

Abstract

The utility model discloses a low-voltage feed interconnection switch, which relates to the technical field of feed switches, solves the problem that the installation time is long because the protector of the existing low-voltage feed switch needs to be installed through bolts, and also solves the technical problem that the existing low-voltage feed switch has no heat dissipation function; the fixed block is taken out of the round hole groove, the body of the protector is pulled out of the round hole groove through the fixed columns, so that the whole protector can be pulled out of the mounting groove, a new protector is inserted into the round hole groove through the fixed columns mounted on two sides of the body of the protector, the whole protector is placed into the mounting groove, the fixed block is inserted into the round hole groove to fix the protector, and the new protector is mounted; the whole switch is radiated by radiating holes arranged on two sides of the flameproof shell of the low-voltage feed interconnection switch; the utility model has the advantages of simple structure, low cost and good effect.

Description

Low voltage feed interconnection switch

Technical Field

The utility model belongs to the technical field of the feed switch, specifically be low pressure feed liaison switch.

Background

The complete set of switching device is used for switching on and switching off normal current of a bearing line under a coal mine, can switch on and switch off the bearing abnormal current within a certain time under a specified abnormal circuit condition (such as short circuit), and has an obvious fracture in a primary loop; the switch is generally used as a main switch, a feed-out switch or a branch switch of power distribution in a power grid with the rated voltage of 1140V or below, and can also control a large-capacity motor to start infrequently.

A plurality of low-voltage feed interconnection switches appear on the market at present, the existing low-voltage feed switch is shown in fig. 4, comprises an explosion-proof shell, a circuit breaker and other structures, is internally provided with a low-voltage feed switch protector, is used for controlling the use of the feed of outgoing lines through the matching of various components on the switch, and can carry out leakage protection on the switch; however, the low-voltage feed switch protector on the existing low-voltage feed switch is installed through bolts, so that inconvenience is caused when the low-voltage feed switch protector is replaced, the installation process is slow, certain damage is easily caused to the low-voltage feed switch, and the feed effect is poor; the existing low-voltage feed switch can generate heat under the condition of too long working time, and the whole equipment can be in failure due to overheating of the switch, so that the switch is prevented from being used, the switch needs to be replaced, and the cost is increased; for this purpose, low-voltage feed tie switches are now proposed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. For this reason, the utility model provides a low pressure feed liaison switch, this low pressure feed liaison switch has solved the installation of the low pressure feed switch protector on the current low pressure feed switch and has installed through the bolt, make can produce inconvenient condition when changing low pressure feed switch protector, and the installation process is slower, cause certain damage to low pressure feed switch easily, lead to the problem of feed effect variation, the condition that can appear generating heat under the condition of during operation time overlength of current low pressure feed switch has still been solved, because the overheated condition that can lead to whole equipment to break down even of switch, thereby the obstacle has appeared in the use to the switch, lead to needing to change, the problem of cost has been increaseed.

For realizing the above-mentioned purpose, according to the utility model discloses an embodiment of first aspect provides low pressure feed liaison switch, including the flame proof shell, the louvre has been seted up to the flame proof shell both sides, the louvre is the array distribution in flame proof shell both sides, and the louvre has played fine radiating action to whole low pressure feed switch, the inside mounting groove of having seted up of flame proof shell, the round hole groove has been seted up to the mounting groove both sides, round hole groove one side is equipped with the fixed block, the protector is installed to the mounting groove, and the mounting groove is used for the protector to install, the protector includes organism, display screen and fixed column, install the display screen on the organism, the display screen both sides are equipped with the fixed column, the fixed column is installed on the organism, and the fixed column can insert the round hole groove and fix, and the display screen can provide the work result.

The flame-proof shell is characterized in that a top seat is arranged on the upper surface of the flame-proof shell, grab handles are arranged on two sides of the top seat, a handle is arranged below each grab handle, the handle is arranged on the surface of the flame-proof shell, the handle is convenient to open the flame-proof shell, a buckle is arranged on one side of each handle, the buckle is arranged on the surface of the flame-proof shell, a function button is arranged on one side of each buckle, the function button is arranged on the surface of the flame-proof shell, a limiting block is arranged below each function button, the limiting block is arranged at the bottom of the flame-proof shell, and the limiting block is used for fixing a feed switch.

The explosion-proof shell is provided with a square hole, and one side of the fixing block is provided with a square column.

The square column is embedded into the square hole, and the square column is inserted into the square hole to fix the fixed block.

The fixed block is embedded in the circular hole groove, and the fixed block is embedded in the circular hole groove and then reinforces the protector again.

The fixing column is embedded in the round hole groove, and the length and the width of the cross section of the machine body are smaller than those of the cross section of the mounting groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses when using, when the protector is changed to needs, at first take out from the round hole groove through the fixed block, then extract the organism of protector from the round hole inslot through the fixed column, thereby can extract whole protector from the mounting groove, then the fixed column that new protector passes through the installation of protector organism both sides inserts the round hole inslot, and put into the mounting groove with whole protector, then insert the fixed block into the round hole inslot and fix it, just install new protector, thereby realize the function of simple and easy installation.

2. The whole switch is cooled through the cooling holes formed in the two sides of the explosion-proof shell, so that the function of cooling the switch is achieved.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the present invention;

FIG. 2 is a schematic structural view of the protector of the present invention;

FIG. 3 is a schematic structural view of the fixing block and the square column of the present invention;

fig. 4 is a prior art schematic.

1. An explosion-proof shell; 2. a top seat; 3. a handle; 4. heat dissipation holes; 5. mounting grooves; 6. a circular hole groove; 7. a fixed block; 8. a square column; 9. a protector; 91. a body; 92. a display screen; 93. fixing a column; 10. a handle; 11. buckling; 12. a function button; 13. and a limiting block.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-3, the low-voltage feed interconnection switch includes a flameproof housing 1, heat dissipation holes 4 are formed in two sides of the flameproof housing 1, the heat dissipation holes 4 are distributed in an array on two sides of the flameproof housing 1, it should be further explained that the heat dissipation holes 4 in this embodiment play a good role in dissipating heat of the entire low-voltage feed switch, an installation groove 5 is formed in the flameproof housing 1, circular hole grooves 6 are formed in two sides of the installation groove 5, a fixing block 7 is arranged on one side of the circular hole grooves 6, a protector 9 is installed in the installation groove 5, it should be further explained that the installation groove 5 in this embodiment is used for installing the protector 9, the protector 9 includes a machine body 91, a display screen 92 and fixing posts 93, the display screen 92 is installed on the machine body 91, the fixing posts 93 are arranged on two sides of the display screen 92, and the fixing posts 93 are installed on the machine body 91, it should be further noted that the fixing post 93 in this embodiment can be inserted into the circular hole 6 for fixing, and the display screen 92 can provide the working result.

The utility model discloses a flame proof enclosure, including flame proof enclosure 1, footstock 2, grab handle 3 below, grab handle 10 below, install on flame proof enclosure 1 surface handle 10, need further explain that handle 10 in this embodiment is convenient for open flame proof enclosure 1, handle 10 one side is equipped with buckle 11, buckle 11 is installed on flame proof enclosure 1 surface, buckle 11 one side is equipped with function button 12, function button 12 is installed on flame proof enclosure 1 surface, function button 12 below is equipped with stopper 13, stopper 13 is installed in flame proof enclosure 1 bottom, and what need further explain is that stopper 13 in this embodiment is used for fixing feed switch.

A square hole is formed in the flameproof shell 1, and a square column 8 is installed on one side of the fixing block 7.

The square column 8 is embedded in the square hole, and it should be further described that the square column 8 in this embodiment is inserted into the square hole to fix the fixing block 7.

The fixing block 7 is embedded in the circular hole groove 6, and it should be further described that the protector 9 is reinforced again after the fixing block 7 in this embodiment is embedded in the circular hole groove 6.

The fixing column 93 is embedded in the circular hole groove 6, and the length and width of the cross section of the machine body 91 are smaller than those of the cross section of the mounting groove 5.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the present invention.

Claims

1. The low-voltage feed interconnection switch is characterized in that: including flame proof shell (1), louvre (4) have been seted up to flame proof shell (1) both sides, louvre (4) are the array distribution in flame proof shell (1) both sides, inside mounting groove (5) of having seted up of flame proof shell (1), round hole groove (6) have been seted up to mounting groove (5) both sides, round hole groove (6) one side is equipped with fixed block (7), install protector (9) in mounting groove (5), protector (9) include organism (91), display screen (92) and fixed column (93), install display screen (92) on organism (91), display screen (92) both sides are equipped with fixed column (93), fixed column (93) are installed on organism (91).

2. The low voltage feed tie switch of claim 1, wherein: surface mounting has footstock (2) on flame proof shell (1), grab handle (3) are installed to footstock (2) both sides, grab handle (3) below is equipped with handle (10), install on flame proof shell (1) surface handle (10), handle (10) one side is equipped with buckle (11), buckle (11) are installed on flame proof shell (1) surface, buckle (11) one side is equipped with function button (12), function button (12) are installed on flame proof shell (1) surface, function button (12) below is equipped with stopper (13), stopper (13) are installed in flame proof shell (1) bottom.

3. The low voltage feed tie switch of claim 1, wherein: a square hole is formed in the flame-proof shell (1), and a square column (8) is installed on one side of the fixing block (7);

the square column (8) is embedded in the square hole.

4. A low voltage feed tie switch as claimed in claim 3, wherein: and the fixing block (7) is embedded in the round hole groove (6).

5. The low voltage feed tie switch of claim 1, wherein: the fixing column (93) is embedded in the round hole groove (6), and the length and the width of the cross section of the machine body (91) are smaller than those of the cross section of the mounting groove (5).