CN114487902A - Underground remote point electric leakage test system for coal mine - Google Patents
Underground remote point electric leakage test system for coal mine Download PDFInfo
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- CN114487902A CN114487902A CN202111572185.XA CN202111572185A CN114487902A CN 114487902 A CN114487902 A CN 114487902A CN 202111572185 A CN202111572185 A CN 202111572185A CN 114487902 A CN114487902 A CN 114487902A
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- horn mouth
- coal mine
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- electric leakage
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a far-point electric leakage test system in a coal mine, which comprises a wood board, a fluorescent lamp, an illumination comprehensive protector, an illuminated comprehensive protector, a round leather line, a four-core round leather line and an illumination circuit, wherein an iron sheet box is hung on the wood board, a button is placed in the iron sheet box, the farthest end of the illumination circuit is provided with a grounding electrode and a tee joint, a first horn mouth, a second horn mouth and a third horn mouth are arranged in the tee joint, the first horn mouth is connected with the fluorescent lamp at the farthest end through the round leather line, the second horn mouth is connected with the grounding electrode through the round leather line, and the third horn mouth is connected with the button through the round leather line. According to the invention, a tester does not need to hang a power failure card from the comprehensive protection place to be tested each time, then goes to the test place to perform test operation, then returns to the comprehensive protection place to supply power and runs back and forth repeatedly, and after improvement, the tester directly presses the button switch to perform the test, so that the labor intensity of workers is greatly reduced, the test time is greatly shortened, and the test efficiency is improved.
Description
Technical Field
The invention relates to the field of electric leakage test systems, in particular to a far point electric leakage test system in a coal mine.
Background
The underground system of the coal mine is complex, the number of roadways is large, the battleline is long, so that the lighting comprehensive protection is used more, and the problems of two aspects mainly exist in a remote point electric leakage test:
1. because the most far end of the lighting integrated protection generally only has the electric terminal equipment and does not have a starter or other switches, the difficulty of the electric leakage test of the far point of the lighting integrated protection is very high, part of the sites even cannot be tested, the time is also very long, and the difficulty is very high compared with the electric leakage test of the far point of the feed switch.
2. Because the quantity of the lighting comprehensive protection is large, and each comprehensive protection remote point electric leakage test is long, a large amount of time of an electric manager is occupied, and the explosion-proof inspection time of the mining area is influenced to a certain extent by the normal lighting comprehensive protection complete remote point electric leakage test time.
Disclosure of Invention
The invention aims to solve the defects that the number of lighting integrated protectors is large, each integrated protector remote point electric leakage test is long, and a large amount of time is occupied by an electric supervisor in the prior art, and provides a coal mine underground remote point electric leakage test system.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a colliery is distant point electric leakage test system in pit, includes plank, fluorescent lamp, illumination comprehensive protection, is synthesized by the illumination comprehensive protection, circle rubber-insulated wire, four-core circle rubber-insulated wire and lighting lines, the iron sheet case has been hung on the plank, the button has been placed in the iron sheet case, lighting lines's the farthest end is equipped with earthing pole and tee bend, be equipped with first horn mouth, second horn mouth and third horn mouth in the tee bend, first horn mouth passes through circle rubber-insulated wire and the farthest end the fluorescent lamp is connected, second horn mouth passes through circle rubber-insulated wire and is connected with the earthing pole, third horn mouth passes through circle rubber-insulated wire and is connected with the button.
Preferably, a protective door is arranged on the iron sheet box, locking notch pieces are arranged on the protective door and the iron sheet box, and a safety lock is arranged on each of the locking notch pieces.
Preferably, a resistor is connected in the tee joint, and the resistor is 2000 ohms.
Preferably, the buttons are of the type BZA 1-5/127-2.
Preferably, the round leather threads between the third horn mouth and the button are composed of two strands of four-core round leather threads.
Preferably, the fluorescent lamp, the lighting integrated protection device and the illuminated integrated protection device are connected.
Preferably, the resistor is located between the ground side covered wire and the ground electrode.
The invention has the beneficial effects that:
the invention 1, the tester does not need to hang the power failure card from the comprehensive protection place to be tested each time, then go to the test place to perform test operation, then return to the comprehensive protection place to supply power, run repeatedly, and directly press the button switch to test after improvement, thereby greatly reducing the labor intensity of workers.
2, the testing device is installed when the lighting integrated protection remote power supply equipment is installed, so that the testing can be performed by pressing the button during each test, a large amount of wiring time is saved, the testing time is greatly shortened, and the testing efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a far-point electric leakage test system in a coal mine well according to the present invention.
Fig. 2 is an enlarged schematic structural diagram of a point a of the coal mine underground remote point electric leakage test system provided by the invention.
Reference numbers in the figures: 1 wood board, 2 buttons, 3 iron sheet boxes, 4 fluorescent lamps, 5 lighting integrated protectors, 6 round leather wires, 7 lighted integrated protectors, 8 grounding electrodes, 9 four-core round leather wires, 10 safety locks, 11 resistors and 12 tee joints.
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. 1-2, a far point electric leakage test system in a coal mine comprises a wood board 1, a fluorescent lamp 4, an illumination comprehensive protector 5, an illuminated comprehensive protector 7, a round leather wire 6, a four-core round leather wire 9 and an illumination line, wherein an iron sheet box 3 is hung on the wood board 1, a button 2 is placed in the iron sheet box 3, a grounding electrode 8 and a tee joint 12 are arranged at the farthest end of the illumination line, a standard grounding electrode 8 is arranged at the farthest point of the illumination line for an electric leakage test, the switch load side electricity of the illuminated comprehensive protector 7 to be tested is stopped, and a power failure board is hung;
a first horn mouth, a second horn mouth and a third horn mouth are arranged in the tee joint 12, the first horn mouth is connected with the fluorescent lamp 4 at the farthest end through a round rubber-covered wire 6, the second horn mouth is connected with the grounding electrode 8 through the round rubber-covered wire 6, the third horn mouth is connected with the button 2 through the round rubber-covered wire 6, a protective door is arranged on the iron sheet box 3, locking pieces are respectively arranged on the protective door and the iron sheet box 3, safety locks 10 are arranged on the two locking pieces, the iron sheet box 3 in which the button 2 is arranged is locked through the safety locks 10, and the button 2 switch is prevented from being clicked by other people at will;
the three-way switch 12 is internally connected with a resistor 11 of 2000 ohms, the button 2 is BZA1-5/127-2 in model, a round leather wire 6 between a third horn mouth and the button 2 is composed of two strands of four-core round leather wires 9, the fluorescent lamp 4, the lighting integrated protection 5 and the lighting integrated protection 7 are connected, the resistor 11 is located between the round leather wire 6 on the grounding side and a grounding electrode 8, the 2 kiloohm experimental resistor 11 is connected into the three-way switch 12 and connected between the round leather wire 6 on the grounding side and a binding post, after all the tests are ready, the switch of the lighting integrated protection 7 to be tested is turned on, the test button 2 is turned on, the lighting integrated protection 7 to be tested trips, namely the test is successful, otherwise, the remote point cannot test trip, and reasons should be timely searched for processing.
The working principle is as follows: when the multifunctional coal mine box is used, a BZA1-5/127-2 type button switch (voltage class 127V) is arranged at the farthest point of an illumination line, then a button 2 is placed in a steel sheet box 3, then the steel sheet box 3 is locked through an installation lock 10, and the multifunctional coal mine box is hung on the top wall of a coal mine and is suitable for personnel to operate;
the method comprises the following steps that a standard grounding electrode 8 is arranged at the farthest point of an illumination line and used for an electric leakage test, the switch load side electricity of a tested illumination comprehensive protector 7 is stopped, a power failure board is hung, a BHD-40/660 type small tee 12 is installed at the farthest point of the illumination line, a horn mouth 1 is connected with a farthest end daylight lamp 4 through a round rubber wire 6, a horn mouth 2 is connected with the grounding electrode 8 through the round rubber wire 6, and a horn mouth 3 is connected with a button 2 through the round rubber wire 6;
the 2 kilohm experimental resistor 11 is connected into the tee joint 12 and is connected between the ground side round leather wire 6 and the binding post, after all the tests are ready, the switch of the tested illumination integrated protection 7 is closed, the test button 2 switch is closed, the tested illumination integrated protection 7 trips, namely the test is successful, otherwise, the remote point test tripping does not act, the reason should be timely searched for and processed, after the test is finished, the iron sheet box 3 for placing the button 2 is locked through the safety lock 10, and the button 2 switch is prevented from being optionally clicked by other people.
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.
Claims (7)
1. The utility model provides a colliery is distant point electric leakage test system in pit, its characterized in that includes plank (1), fluorescent lamp (4), illumination comprehensive protection (5), is protected by illumination comprehensive protection (7), circle rubber-insulated wire (6), four-core circle rubber-insulated wire (9) and lighting lines, hang iron sheet case (3) on plank (1), button (2) have been placed in iron sheet case (3), lighting lines's farthest end is equipped with earthing pole (8) and tee bend (12), be equipped with first horn mouth, second horn mouth and third horn mouth in tee bend (12), first horn mouth pass through circle rubber-insulated wire (6) and farthest end fluorescent lamp (4) are connected, the second horn mouth passes through circle rubber-insulated wire (6) and is connected with earthing pole (8), the third horn mouth passes through circle rubber-insulated wire (6) and is connected with button (2).
2. The coal mine underground remote point electric leakage test system according to claim 1, characterized in that a protective door is arranged on the iron sheet box (3), a locking notch sheet is arranged on each of the protective door and the iron sheet box (3), and a safety lock (10) is arranged on each of the two locking notch sheets.
3. The system for testing the electric leakage at the far point in the coal mine well according to claim 1, wherein a resistor (11) is connected in the tee joint (12), and the resistor is 2000 ohms.
4. The coal mine underground remote leakage test system according to claim 1, wherein the button (2) is of BZA1-5/127-2 type.
5. The system for testing the electric leakage at the far point in the underground coal mine according to claim 1, wherein the round leather wire (6) between the third horn mouth and the button (2) consists of two strands of four-core round leather wires (9).
6. The system for testing the leakage of the far point in the underground coal mine according to claim 1, wherein the fluorescent lamp (4), the lighting integrated protector (5) and the illuminated integrated protector (7) are connected.
7. The system for testing the electric leakage at the far point in the underground coal mine according to claim 3, wherein the resistor (11) is positioned between the grounding side round covered wire (6) and the grounding electrode (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111572185.XA CN114487902A (en) | 2021-12-21 | 2021-12-21 | Underground remote point electric leakage test system for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111572185.XA CN114487902A (en) | 2021-12-21 | 2021-12-21 | Underground remote point electric leakage test system for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114487902A true CN114487902A (en) | 2022-05-13 |
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ID=81494207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111572185.XA Pending CN114487902A (en) | 2021-12-21 | 2021-12-21 | Underground remote point electric leakage test system for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114487902A (en) |
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2021
- 2021-12-21 CN CN202111572185.XA patent/CN114487902A/en active Pending
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