CN111479417B - Mining ann's type power supply box - Google Patents

Mining ann's type power supply box Download PDF

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Publication number
CN111479417B
CN111479417B CN202010269976.4A CN202010269976A CN111479417B CN 111479417 B CN111479417 B CN 111479417B CN 202010269976 A CN202010269976 A CN 202010269976A CN 111479417 B CN111479417 B CN 111479417B
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CN
China
Prior art keywords
box
power box
drying
drying chamber
cooling pipe
Prior art date
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Active
Application number
CN202010269976.4A
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Chinese (zh)
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CN111479417A (en
Inventor
徐晓光
刘总
王韵鉴
王方
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Keli Electric Appliance Co ltd
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Suzhou Keli Electric Appliance Co ltd
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Priority to CN202010269976.4A priority Critical patent/CN111479417B/en
Publication of CN111479417A publication Critical patent/CN111479417A/en
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • B01D53/28—Selection of materials for use as drying agents
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0204—Mounting supporting structures on the outside of casings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
    • H05K7/20918—Forced ventilation, e.g. on heat dissipaters coupled to components the components being isolated from air flow, e.g. hollow heat sinks, wind tunnels or funnels

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Power Engineering (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention discloses a mining intrinsic safety type power box, which belongs to the technical field of mining power supply equipment and comprises an outer shell and a power box arranged inside the outer shell, wherein a track is arranged at the back of the outer shell, a plurality of mounting buckles are fixedly arranged on the track, the mounting buckles are fixedly arranged on a wall body through a fixing seat, a drying box is arranged at the top of the power box, an air exhaust box is arranged on one side of the drying box, and a cooling pipe is arranged at the top of the air exhaust box. According to the invention, the exhaust box, the cooling pipe and the drying box are arranged, the first induced draft fan in the exhaust box extracts hot air generated in the power box through the first air inlet pipe and inputs the hot air into the cooling pipe, and the hot air is led out through the second induced draft fan in the drying box, so that the hot air is cooled by the cooling pipe and then enters the power box again after being dried by the drying box, heat can be dissipated timely and effectively, and the damage to the power box caused by heat accumulation is prevented.

Description

Mining ann's type power supply box
Technical Field
The invention relates to an intrinsic safety type power box, in particular to a mining intrinsic safety type power box, and belongs to the technical field of mining power equipment.
Background
The power box mainly provides operation power for a vacuum circuit breaker and other high-voltage switches. The power supply box adopts 220V or 380V input voltage to output direct current through silicon controlled rectifier voltage regulation and rectification, and has the characteristic of outputting direct current voltage with multiple gears and large adjustable current or alternating current voltage to perform the functions of single division and single combination operation.
The existing mining intrinsic safety type power box has the following defects: (1) the existing mining intrinsic safety type power box cannot dissipate heat in time during working and is easy to burn out; (2) once the mining intrinsic safety type power box is installed in the using process, the power box is not easy to move and disassemble and cannot be reused.
Disclosure of Invention
The invention mainly aims to solve the defects of the prior art and provide a mining intrinsic safety type power box.
The purpose of the invention can be achieved by adopting the following technical scheme:
the utility model provides a mining ann's type power supply box, includes the shell body and installs the inside power supply box of shell body, the back of shell body is equipped with the track, fixed mounting has a plurality of installations to detain on the track, the installation is detained and is passed through fixing base fixed mounting on the wall body, the top of power supply box is equipped with the drying cabinet, one side of drying cabinet is equipped with the exhaust chamber, the top of exhaust chamber is equipped with the cooling tube, the installation is detained including removing the dish and installing remove the positive backup pad of dish, the inside fixed mounting of backup pad has the electro-magnet, the spring is installed respectively at the both ends of backup pad, the both ends of spring are equipped with the buckle respectively, the top welding of buckle has the arm-tie, the inside of.
Preferably, the inside of drying box is equipped with first draught fan, the first intake pipe of input fixedly connected with of first draught fan, the other end of first intake pipe inserts the inside of power supply box, the other end of first outlet duct with the one end swing joint of cooling tube is connected.
Preferably, both ends of the cooling pipe are provided with waterproof breathable layers, the cooling pipe is a spiral cold water pipe, and the other end of the first air outlet pipe is in threaded connection with one side of the waterproof breathable layers.
Preferably, the inside of drying cabinet is equipped with the drying box, one side fixed mounting of drying box has the second draught fan, the output of second draught fan pass through the second outlet duct with the power supply box intercommunication.
Preferably, the top of drying box through the third outlet duct with the output intercommunication of cooling tube, the inside of drying box is equipped with first drying chamber, second drying chamber, third drying chamber and fourth drying chamber from left to right in proper order.
Preferably, the first drying chamber is internally provided with calcium chloride, the second drying chamber is internally provided with colloidal starch, the third drying chamber is internally provided with silica gel, and the fourth drying chamber is internally provided with active anhydrous copper sulfate.
Preferably, the rail is a U-shaped rail, and a hook is arranged at the top of the rail.
Preferably, the fixing seat is an inverted T-shaped fixing seat, the three end portions of the fixing seat are provided with mounting holes, and the fixing seat is provided with a clamping groove matched with the mounting buckle.
Preferably, the front surface of the outer shell is provided with a power supply hole plate.
The invention has the beneficial technical effects that: according to the mining intrinsic safety type power box, the power box is provided with the air exhaust box, the cooling pipe and the drying box, the first induced draft fan in the air exhaust box extracts hot air generated in the power box through the first air inlet pipe and inputs the hot air into the cooling pipe, and the hot air is led out through the second induced draft fan in the drying box, so that the hot air is cooled by the cooling pipe, dried by the drying box and re-enters the power box, heat can be timely and effectively dissipated, and the damage of the power box caused by heat accumulation is prevented; the height of the power box can be adjusted according to the installation requirement by arranging the installation buckle and the fixing seat, the position of the power box can be adjusted conveniently by fine adjustment through the installation hole, disassembly is not needed, the clamping groove and the installation buckle are arranged and can be movably connected, and the power box is disassembled by adjusting the length of the spring.
Drawings
Fig. 1 is a perspective view of the overall structure of a preferred embodiment of the mining intrinsic safety type power box according to the invention;
FIG. 2 is a rear schematic view of the overall construction of a preferred embodiment of a mining intrinsically safe power box according to the invention;
fig. 3 is a schematic front view of the overall structure of a preferred embodiment of the mining intrinsically safe power box according to the invention;
FIG. 4 is a schematic structural diagram of an air extraction box and a drying box of a preferred embodiment of the mining intrinsic safety type power box according to the invention;
fig. 5 is a schematic structural diagram of a fixing seat of a preferred embodiment of the mining intrinsic safety type power box according to the invention;
FIG. 6 is a schematic structural diagram of a drying box of a preferred embodiment of the mining intrinsic safety type power box according to the invention;
fig. 7 is a schematic diagram of a mounting buckle structure of a preferred embodiment of the mining intrinsic safety type power box according to the invention.
In the figure: 1-outer shell, 2-power box, 3-drying box, 4-drying box, 5-cooling pipe, 6-air extraction box, 7-first air outlet pipe, 8-first induced draft fan, 9-first air inlet pipe, 10-second induced draft fan, 11-waterproof breathable layer, 12-second air outlet pipe, 13-third air outlet pipe, 14-third drying chamber, 15-second drying chamber, 16-first drying chamber, 17-movable plate, 18-support plate, 19-installation buckle, 20-electromagnet, 21-buckle, 22-pulling plate, 23-telescopic cylinder, 24-spring, 25-hook, 26-rail, 28-fixed seat, 29-installation hole, 30-clamping groove, 31-power supply connection hole and 32-fourth drying chamber.
Detailed Description
In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1 to 7, the mining intrinsic safety type power box provided in this embodiment includes an outer shell 1 and a power box 2 installed inside the outer shell 1, a rail 26 is provided at the back of the outer shell 1, a plurality of installation buckles 19 are fixedly installed on the rail 26, the installation buckles 19 are fixedly installed on a wall through a fixing seat 28, a drying box 3 is provided at the top of the power box 2, an air extracting box 6 is provided at one side of the drying box 3, and a cooling pipe 5 is provided at the top of the air extracting box 6. The mounting buckle 19 comprises a moving disc 17 and a supporting plate 18 mounted on the front face of the moving disc 17, an electromagnet 20 is fixedly mounted inside the supporting plate 18, springs 24 are mounted at two ends of the supporting plate 18 respectively, buckles 21 are arranged at two ends of the springs 24 respectively, a pulling plate 22 is welded at the tops of the buckles 21, and a telescopic cylinder 23 is arranged inside the springs 24. The mining intrinsic safety type power box is provided with an air exhaust box 6, a cooling pipe 5 and a drying box 3, a first induced draft fan 8 in the air exhaust box 6 exhausts hot air generated in the power box 2 through a first air inlet pipe 9 and inputs the hot air into the cooling pipe 5, and the hot air is led out through a second induced draft fan 10 in the drying box 3, so that the hot air is cooled by the cooling pipe 5 and then enters the power box 2 again after being dried by a drying box 4, heat can be dissipated timely and effectively, and the power box is prevented from being damaged due to heat accumulation; the mining intrinsic safety type power box is provided with the mounting buckle 19 and the fixing seat 28, the height of the power box can be adjusted freely according to mounting requirements, meanwhile, the position of the power box can be adjusted conveniently through the mounting hole 29, dismounting is not needed, the clamping groove 30 and the mounting buckle 19 can be movably connected, and dismounting of the power box is achieved through the length of the adjusting spring 24.
In this embodiment, as shown in fig. 1 and 4, the inside of drying box 4 is equipped with first draught fan 8, and the input end fixedly connected with of first draught fan 8 has first intake pipe 9, and the other end of first intake pipe 9 inserts the inside of power supply box 2, and the other end of first outlet duct 7 is connected with the one end swing joint of cooling tube 5. Both ends of cooling tube 5 all are equipped with waterproof ventilative layer 11, and cooling tube 5 is the heliciform cold water pipe, and the other end threaded connection of first outlet duct 7 is in one side of waterproof ventilative layer 11. The inside of drying cabinet 3 is equipped with drying box 4, and one side fixed mounting of drying box 4 has second draught fan 10, and the output of second draught fan 10 passes through second outlet duct 12 and power supply box 2 intercommunication. The top of the drying box 4 is communicated with the output end of the cooling pipe 5 through a third air outlet pipe 13, and a first drying chamber 16, a second drying chamber 15, a third drying chamber 14 and a fourth drying chamber 32 are sequentially arranged in the drying box 4 from left to right. The first drying chamber 16 is filled with calcium chloride, the second drying chamber 15 is filled with colloidal starch, the third drying chamber 14 is filled with silica gel, and the fourth drying chamber 32 is filled with active anhydrous copper sulfate. Be equipped with cooling tube 5 and be equipped with waterproof ventilative layer 11 in the inside of cooling tube 5 and prevent that rivers from flowing, the input of cooling tube 5 is located the bottom of cooling tube 5 simultaneously, and the output is located the top of cooling tube 5, and the gas after the second draught fan 10 of being convenient for will cool off is taken out. Calcium chloride is added into the first drying chamber 16, colloidal starch is placed into the second drying chamber 15, silica gel is arranged into the third drying chamber 14, active anhydrous copper sulfate is placed into the fourth drying chamber 32, cooling gas containing water vapor can be dried, and excessive water is prevented from entering the power box 2 to cause electric leakage of the power box.
In the present embodiment, as shown in fig. 1 and 7, the rail 26 is a U-shaped rail, and a hook 25 is provided on the top of the rail 26. The fixing seat 28 is an inverted T-shaped fixing seat, the three end portions of the fixing seat 28 are provided with mounting holes 29, and the fixing seat 28 is provided with a clamping groove 30 matched with the mounting buckle 19. The front surface of the outer shell 1 is provided with a power supply jack panel 31. The installation buckle 19 is arranged, the springs 24 are arranged at the two ends of the installation buckle 19, the installation of the power box is facilitated due to the fact that the installation buckle 19 can conveniently stretch back and forth, meanwhile, the electromagnet 20 is arranged and can be used for positioning the power box, when the power box reaches the designated position, the electromagnet 20 is electrified, the electromagnet 20 is tightly attracted to the rail 26, the power box is conveniently positioned, and the installation buckle 19 is prevented from sliding inside the rail 26.
In this embodiment, as shown in fig. 1 to 7, the working process of the mining intrinsic safety type power box provided in this embodiment is as follows:
step 1: the fixing seat 28 is fixed on the wall body through a nut, and the mounting buckle 19 is inserted into the clamping groove 30;
step 2: the position of the mounting buckle 19 on the rail 26 is adjusted according to the using height of the power box;
and step 3: starting a first induced draft fan 8, pumping hot gas generated in the power box 2 through a first air inlet pipe 9, and inputting the hot gas into the cooling pipe 5;
and 4, step 4: the second draught fan 10 in the drying box 3 is started to pump out the gas in the cooling pipe 5, so that the hot gas is cooled by the cooling pipe 5 and then enters the power box 2 again after being dried by four layers in the drying box 4, and heat dissipation is achieved.
In conclusion, in this embodiment, according to the mining intrinsic safety type power supply box of this embodiment, the mining intrinsic safety type power supply box that this embodiment provided is equipped with cooling tube 5 and is equipped with waterproof ventilative layer 11 in the inside of cooling tube 5 and prevents that rivers from flowing out, and the input of cooling tube 5 is located the bottom of cooling tube 5 simultaneously, and the output is located the top of cooling tube 5, and the gas after the second draught fan 10 of being convenient for will cool off is taken out. The installation buckle 19 is arranged, the springs 24 are arranged at the two ends of the installation buckle 19, the installation of the power box is facilitated due to the fact that the installation buckle 19 can conveniently stretch back and forth, meanwhile, the electromagnet 20 is arranged and can be used for positioning the power box, when the power box reaches the designated position, the electromagnet 20 is electrified, the electromagnet 20 is tightly attracted to the rail 26, the power box is conveniently positioned, and the installation buckle 19 is prevented from sliding inside the rail 26. Calcium chloride is added into the first drying chamber 16, colloidal starch is placed into the second drying chamber 15, silica gel is arranged into the third drying chamber 14, active anhydrous copper sulfate is placed into the fourth drying chamber 32, cooling gas containing water vapor can be dried, and excessive water is prevented from entering the power box 2 to cause electric leakage of the power box.
The above description is only for the purpose of illustrating the present invention and is not intended to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution of the present invention and its conception within the scope of the present invention.

Claims (7)

1. The mining intrinsic safety type power box is characterized by comprising an outer shell (1) and a power box (2) installed inside the outer shell (1), wherein a track (26) is arranged at the back of the outer shell (1), a plurality of installation buckles (19) are fixedly installed on the track (26), the installation buckles (19) are fixedly installed on a wall body through a fixing seat (28), a drying box (3) is arranged at the top of the power box (2), an air extraction box (6) is arranged on one side of the drying box (3), a cooling pipe (5) is arranged at the top of the air extraction box (6), the installation buckles (19) comprise a moving plate (17) and a supporting plate (18) installed on the front side of the moving plate (17), an electromagnet (20) is fixedly installed inside the supporting plate (18), and springs (24) are installed at two ends of the supporting plate (18) respectively, the two ends of the spring (24) are respectively provided with a buckle (21), the top of the buckle (21) is welded with a pulling plate (22), the inside of the spring (24) is provided with a telescopic cylinder (23), the inside of the drying box (3) is provided with a drying box (4), one side of the drying box (4) is fixedly provided with a second induced draft fan (10), the output end of the second induced draft fan (10) is communicated with the power box (2) through a second outlet pipe (12), the top of the drying box (4) is communicated with the output end of the cooling pipe (5) through a third outlet pipe (13), the inside of the exhaust box (6) is provided with a first induced draft fan (8), the input end of the first induced draft fan (8) is fixedly connected with a first air inlet pipe (9), the output end of the first induced draft fan (8) is fixedly connected with a first outlet pipe (7), the other end of the first air inlet pipe (9) is inserted into the power box (2), the other end of the first air outlet pipe (7) is movably connected with one end of the cooling pipe (5).
2. The mining intrinsic safety type power box according to claim 1, characterized in that both ends of the cooling pipe (5) are provided with waterproof and breathable layers (11), the cooling pipe (5) is a spiral cold water pipe, and the other end of the first air outlet pipe (7) is connected to one side of the waterproof and breathable layers (11) in a threaded manner.
3. The mining intrinsic safety type power box according to claim 1, characterized in that a first drying chamber (16), a second drying chamber (15), a third drying chamber (14) and a fourth drying chamber (32) are arranged inside the drying box (4) from left to right in sequence.
4. The mining intrinsic safety type power box of claim 3, wherein the first drying chamber (16) is internally provided with calcium chloride, the second drying chamber (15) is internally provided with colloidal starch, the third drying chamber (14) is internally provided with silica gel, and the fourth drying chamber (32) is internally provided with active anhydrous copper sulfate.
5. The mining intrinsically safe power box of claim 1, characterized in that the rail (26) is a U-shaped rail, and a hook (25) is arranged at the top of the rail (26).
6. The mining intrinsic safety type power box according to claim 1, characterized in that the fixing seat (28) is an inverted T-shaped fixing seat, three ends of the fixing seat (28) are provided with mounting holes (29), and the fixing seat (28) is provided with a clamping groove (30) matched with the mounting buckle (19).
7. The mining intrinsically safe power box of claim 1, characterized in that the front face of the outer shell (1) is provided with a power socket plate (31).
CN202010269976.4A 2020-04-08 2020-04-08 Mining ann's type power supply box Active CN111479417B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010269976.4A CN111479417B (en) 2020-04-08 2020-04-08 Mining ann's type power supply box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010269976.4A CN111479417B (en) 2020-04-08 2020-04-08 Mining ann's type power supply box

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CN111479417A CN111479417A (en) 2020-07-31
CN111479417B true CN111479417B (en) 2021-05-18

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Publication number Priority date Publication date Assignee Title
CN113483237A (en) * 2021-05-25 2021-10-08 宿州科力电器有限公司 Mining self-lifting power control box

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DE202004018857U1 (en) * 2004-12-07 2005-02-24 Abb Patent Gmbh Sheet metal housing for rail-guided pluggable measurement and control components has housing with two identical, essentially C-shaped shells and rear wall; top and cover plates are double-walled with guide rails on inner plates
CN201749405U (en) * 2010-08-19 2011-02-16 金翔 Wall-mounted case
EP2667692B1 (en) * 2012-05-21 2016-10-12 Pentair Technical Solutions GmbH Device for clamping a circuit board module in a fixing nut
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