CN106026681A - Electric control cabinet - Google Patents
Electric control cabinet Download PDFInfo
- Publication number
- CN106026681A CN106026681A CN201610588287.3A CN201610588287A CN106026681A CN 106026681 A CN106026681 A CN 106026681A CN 201610588287 A CN201610588287 A CN 201610588287A CN 106026681 A CN106026681 A CN 106026681A
- Authority
- CN
- China
- Prior art keywords
- front door
- bearing pin
- box body
- hole
- ring flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
-
- 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
- H02M1/00—Details of apparatus for conversion
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
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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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
-
- 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
- H05K5/0208—Interlock mechanisms; Means for avoiding unauthorised use or function, e.g. tamperproof
-
- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/0221—Locks; Latches
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Security & Cryptography (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a frequency converter control cabinet, which comprises a bottom support and is characterized in that the bottom support is provided with a left box body and a right box body thereon, the left box body is provided with a left front door, the right box body is provided with a right front door, a right side plate of the left box body and a left side plate of the right box body are flange plates, the flange plates are fixed through bolts, and an unlocking mechanism with a simple structure is installed between the left front door and the right front door. The electric control cabinet has the beneficial effects that a control box shell adopts a left cavity and a right cavity, processing is carried out conveniently because of cavity partition, the cavities are assembled into the control box shell by the bolts after being processed, a frequency converter is arranged in the shell, the device is small in size and easy to be arranged; and secondly, the left front door and the right front door are provided with the unlocking mechanism therebetween, the left front door can be opened through the unlocking mechanism after the right front door is opened, and the point is even more important particularly because the left front door is a strong current cavity, thereby preventing an explosion accident caused by opening the strong current cavity mistakenly without disconnecting the power.
Description
The application is China's 2014 applyings date December 26, application number CN201410823235.0, the divisional application of entitled " a kind of two-chamber explosion-proof frequency converter switch board ".
Technical field
The present invention relates to a kind of control chamber, particularly relate to a kind of electrical control cabinet.
Background technology
Control chamber is application converter technique and microelectric technique, controls the control electronics of ac motor by changing motor working power Frequency Patterns.Variable frequency regulating speed control case is mainly used in has methane and coal dust environment, the underground coal mine of non-corrosiveness gas; to exchange 50Hz; the corresponding three-phase squirrel-cage induction motor of rated voltage 660V or 1140V carries out soft start, soft stop, rotating, speed regulation etc. and controls, and protects motor and relevant circuit.The inertia energy of load can be fed back to electrical network by four-quadrant regulator cubicle, and has regeneration function and braking function, it is adaptable to have the occasions such as the potential energy load of electrical energy regeneration and energy-conserving and environment-protective demand and the anxious large inertia load slowed down.The similar applications such as belt conveyer, scrapper conveyor, water pump and lifting of winch it are mainly used in colliery.Four-quadrant two-chamber explosion-proof frequency converter switch board possesses these advantages, is therefore widely used in inflammable and explosive property places such as underground coal mine dust atmospheres.Relative to common converter, four-quadrant regulator cubicle faced by environment harsher, especially to the installability of complete machine structure and maintainable require higher.And the current many employings of four-quadrant explosion-proof frequency converter are split type, not only inconvenience is installed and safeguarded to movement, and volume is big, is difficult to arrange, and the device of not safeguard protection.
Summary of the invention
For above-mentioned prior art problem, the present invention provides a kind of electrical control cabinet, has that volume is little, is easily worked, easily arranges, advantage that safety is high.
To achieve these goals, the technical solution used in the present invention is: a kind of electrical control cabinet, including left box body and right case, left box body is provided with left front door, right case is provided with right front door, the right plate of described left box body and the left plate of right case are ring flange, and it is bolted ring flange, between described left front door and right front door, unlocking mechanism is installed, described unlocking mechanism is a bearing pin, bearing pin is arranged in a through hole of ring flange, horizontally slip along through hole after making bearing pin energy, the right side wall of left front door has the pin-and-hole that can insert bearing pin one end, the other end of bearing pin and the left side wall of right front door stay gap-contact, described bearing pin has external screw thread, there is in the through hole of ring flange the female thread coordinated with bearing pin.
Described left box body and right case are mounted on side door-opening mechanism.
Described left box body is forceful electric power chamber, and described right case is light current chamber.
The pars intermedia of described bearing pin has the hole for installing lock body, and hole, in the left side of ring flange, hole is provided with lock body.
nullThe present invention plays and provides the benefit that: control chamber housing uses a left side、Right chamber，Owing to being a point chamber，It is easy to processing，It is assembled into control chamber housing with bolt after processing，Owing to converter is arranged in a housing，This device has the little easy layout of volume，Secondly unlocking mechanism is installed between left front door and right front door，It is switched on right front door，Left front door just can be opened by unlocking mechanism，Particularly left front door is forceful electric power chamber，This is the most necessary，Prevent not having power-off to open forceful electric power chamber the most by mistake and cause an explosion accident,Unlocking mechanism is a threaded bearing pin，Define pin-and-hole-bearing pin-ring flange-right front door，This system mutually restricted，Simple in construction，Cheap，Easily manufacture，Only open right front door，Rotary pin shaft moves right，The end body of bearing pin departs from the pin-and-hole of left front door right side wall，Left front door just can be opened by side door-opening mechanism，The outside that the helicitic texture of bearing pin makes bearing pin can be fixed on ring flange is difficult to drop，In rotary moving，Reliable convenient，This device is additionally provided with enforcement functionalities，Lock body is installed in the middle of bearing pin，Must have the staff of key take away lock body can rotary pin shaft，And then unlatching left front door，Place external staff and arbitrarily open casing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is that unlocking mechanism is connected figure with the local of left and right casing.
In figure: 1, collet, 2, left box body, 3, right case, 4, left front door, 5, right front door, 6, side door-opening mechanism, 7, ring flange, 8, bearing pin, 41, pin-and-hole, 81, nut, 82, lock body.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As depicted in figs. 1 and 2, the present invention includes a collet 1, and described collet 1 is provided with left box body 2 and right case 3, and left box body 2 is provided with left front door 4, right case 3 is provided with right front door 5, the right plate of described left box body 2 and the left plate of right case 3 are ring flange 7, and ring flange 7 is the shape of the side adapting to casing, the most square, there is through hole centre, surrounding does not have multiple bolt mouth, and is bolted ring flange, is provided with unlocking mechanism between described left front door 4 and right front door 5.
Described unlocking mechanism is a bearing pin 8, the outer rim of ring flange 7 is prominent left box body 2 and the tank surface of right case 3, and the outer rim of ring flange 7 has a through hole that can accommodate bearing pin 8, bearing pin 8 has external screw thread, there is in the through hole of ring flange the female thread coordinated with bearing pin 8, slide along through hole spiral after making bearing pin 8 energy, the right side wall of left front door 4 has the pin-and-hole 41 that can insert bearing pin 8 one end, the other end of bearing pin 8 and the left side wall gap-contact of right front door 5, the both sides of bearing pin 8 are provided with nut 81, nut 81 is apart from about 2 to 5 centimetres, the outer end of bearing pin 8, the end making nut 81 not affect bearing pin 8 is inserted in pin-and-hole 41.Bolt can preferably prevent bearing pin 8 landing, if change bearing pin 8 or need not bearing pin 8, turns on nut 81, and bearing pin 8 just can be extracted out from the through hole of the outer rim of ring flange 7.
Described left box body 2 and right case 3 are mounted on side door-opening mechanism 6.
Control chamber housing uses left and right chamber, owing to being a point chamber, it is simple to processing, is assembled into control chamber housing with bolt after processing, and owing to converter is arranged in a housing, this device has the little easy layout of volume,
The right plate of left box body 2 and the left plate of right case 3 use ring flange, it is possible to observe the inside overall condition of the casing on opposite more intuitively, be provided with unlocking mechanism between left front door and right front door,
Owing to the outer rim of ring flange is prominent left box body and the tank surface of right case, and the outer rim of ring flange has a through hole that can accommodate bearing pin, horizontally slip along through hole after making bearing pin energy, the right side wall of left front door has the pin-and-hole that can insert bearing pin one end, the other end of bearing pin and the left side wall gap-contact of right front door, such structure makes the bearing pin can locked left front door tightly, must first open right front door, after right front door moves, slide along through hole spiral to the right after bearing pin energy, bearing pin separates with the pin-and-hole of left front door, left front door just can be directly opened by the side door-opening mechanism of left box body.Particularly described left box body is forceful electric power chamber, described right case is light current chamber, such structure just seems even more important, forceful electric power chamber cannot be random open, the most charged in the case of, the inflammable and explosive property place such as underground coal mine dust atmosphere is easier to blast occur, pass through mutual interlocking gear, in the case of light current chamber opens power-off, just can open forceful electric power chamber, prevent maintainer from causing danger because of maloperation.This device is also provided with lock body on bearing pin, it is necessary to open lock body ability slidiing pin, it is to avoid external staff arbitrarily opens casing.
Claims (4)
1. an electrical control cabinet, it is characterized in that, including left box body and right case, left box body is provided with left front door, right case is provided with right front door, the right plate of described left box body and the left plate of right case are ring flange, and it is bolted ring flange, between described left front door and right front door, unlocking mechanism is installed, described unlocking mechanism is a bearing pin, bearing pin is arranged in a through hole of ring flange, horizontally slip along through hole after making bearing pin energy, the right side wall of left front door has the pin-and-hole that can insert bearing pin one end, the other end of bearing pin and the left side wall of right front door stay gap-contact, described bearing pin has external screw thread, there is in the through hole of ring flange the female thread coordinated with bearing pin.
A kind of electrical control cabinet the most according to claim 1,It is characterized in that, described left box body and right case are mounted on side door-opening mechanism.
A kind of electrical control cabinet the most according to claim 1,It is characterized in that, described left box body is forceful electric power chamber, and described right case is light current chamber.
A kind of electrical control cabinet the most according to claim 1,It is characterized in that, the pars intermedia of described bearing pin has the hole for installing lock body, and hole, in the left side of ring flange, hole is provided with lock body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610588287.3A CN106026681A (en) | 2014-12-26 | 2014-12-26 | Electric control cabinet |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610588287.3A CN106026681A (en) | 2014-12-26 | 2014-12-26 | Electric control cabinet |
| CN201410823235.0A CN104506020A (en) | 2014-12-26 | 2014-12-26 | Double-cavity explosion-proof frequency converter control cabinet |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410823235.0A Division CN104506020A (en) | 2014-12-26 | 2014-12-26 | Double-cavity explosion-proof frequency converter control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106026681A true CN106026681A (en) | 2016-10-12 |
Family
ID=52947748
Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610588287.3A Pending CN106026681A (en) | 2014-12-26 | 2014-12-26 | Electric control cabinet |
| CN201610588286.9A Pending CN106026680A (en) | 2014-12-26 | 2014-12-26 | Misoperation preventing electric control cabinet |
| CN201610588273.1A Pending CN106059263A (en) | 2014-12-26 | 2014-12-26 | Frequency converter control cabinet |
| CN201610593391.1A Pending CN106059264A (en) | 2014-12-26 | 2014-12-26 | Double cavity electric control cabinet |
| CN201610593392.6A Pending CN106059265A (en) | 2014-12-26 | 2014-12-26 | Frequency converter control cabinet for preventing mal-operations |
| CN201410823235.0A Pending CN104506020A (en) | 2014-12-26 | 2014-12-26 | Double-cavity explosion-proof frequency converter control cabinet |
Family Applications After (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610588286.9A Pending CN106026680A (en) | 2014-12-26 | 2014-12-26 | Misoperation preventing electric control cabinet |
| CN201610588273.1A Pending CN106059263A (en) | 2014-12-26 | 2014-12-26 | Frequency converter control cabinet |
| CN201610593391.1A Pending CN106059264A (en) | 2014-12-26 | 2014-12-26 | Double cavity electric control cabinet |
| CN201610593392.6A Pending CN106059265A (en) | 2014-12-26 | 2014-12-26 | Frequency converter control cabinet for preventing mal-operations |
| CN201410823235.0A Pending CN104506020A (en) | 2014-12-26 | 2014-12-26 | Double-cavity explosion-proof frequency converter control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (6) | CN106026681A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106068070A (en) * | 2016-06-06 | 2016-11-02 | 辽宁工程技术大学 | A kind of colliery cools down electric cabinet automatically with five cavate flame proofs |
| CN109301717B (en) * | 2018-10-23 | 2019-12-31 | 浙江欧菲克斯交通科技有限公司 | Double-body power supply control box |
| CN114844369B (en) * | 2022-04-21 | 2022-11-08 | 山东博诚电气有限公司 | Combined casing of high-voltage AC frequency converter for mine |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2083796U (en) * | 1990-11-22 | 1991-08-28 | 淄博通用电器研究所 | Mechanical locking device protecting mistake enter charged chamber |
| KR0121851Y1 (en) * | 1995-04-24 | 1998-08-17 | 김광호 | Anti-theft device for a presonal computer |
| CN201060785Y (en) * | 2007-07-20 | 2008-05-14 | 江苏八达真空电气有限公司 | Mine anti-explosive switch dual-door locking device |
| CN201533113U (en) * | 2009-09-28 | 2010-07-21 | 三一重型装备有限公司 | Explosion-proof intrinsically safe electric control cabinet for heading machine |
| CN201570788U (en) * | 2009-10-13 | 2010-09-01 | 河南森源电气股份有限公司 | Cabinet door interlocking device of switch cabinet |
| CN102280279A (en) * | 2011-05-18 | 2011-12-14 | 山西汾西机电有限公司 | Double door interlocking device used in underground coal mine |
| CN102208761B (en) * | 2011-06-01 | 2014-01-15 | 太原惠特科技有限公司 | Double-quick-opening-door multi-isolating switch cabinet locking mechanism |
| CN202217926U (en) * | 2011-07-19 | 2012-05-09 | 河南森源电气股份有限公司 | Front-door interlocking device with maintenance channel switch cabinet |
| CN202353439U (en) * | 2011-11-24 | 2012-07-25 | 徐州英威腾电气设备有限公司 | Frequency converter and shell body thereof |
| CN203554332U (en) * | 2013-11-22 | 2014-04-16 | 大同市百易通科技发展有限公司 | Mine-used flameproof and intrinsically safe-type high-voltage multi-circuit electromagnetic starter |
| CN203691213U (en) * | 2014-01-03 | 2014-07-02 | 武汉合康防爆电气有限公司 | Four-quadrant explosion-proof frequency converter installation device |
-
2014
- 2014-12-26 CN CN201610588287.3A patent/CN106026681A/en active Pending
- 2014-12-26 CN CN201610588286.9A patent/CN106026680A/en active Pending
- 2014-12-26 CN CN201610588273.1A patent/CN106059263A/en active Pending
- 2014-12-26 CN CN201610593391.1A patent/CN106059264A/en active Pending
- 2014-12-26 CN CN201610593392.6A patent/CN106059265A/en active Pending
- 2014-12-26 CN CN201410823235.0A patent/CN104506020A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN104506020A (en) | 2015-04-08 |
| CN106026680A (en) | 2016-10-12 |
| CN106059263A (en) | 2016-10-26 |
| CN106059264A (en) | 2016-10-26 |
| CN106059265A (en) | 2016-10-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161012 |