CN106059263A - Frequency converter control cabinet - Google Patents

Frequency converter control cabinet Download PDF

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Publication number
CN106059263A
CN106059263A CN201610588273.1A CN201610588273A CN106059263A CN 106059263 A CN106059263 A CN 106059263A CN 201610588273 A CN201610588273 A CN 201610588273A CN 106059263 A CN106059263 A CN 106059263A
Authority
CN
China
Prior art keywords
front door
bearing pin
hole
control cabinet
frequency converter
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
Application number
CN201610588273.1A
Other languages
Chinese (zh)
Inventor
孙欣
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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610588273.1A priority Critical patent/CN106059263A/en
Publication of CN106059263A publication Critical patent/CN106059263A/en
Pending legal-status Critical Current

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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
    • 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 present invention discloses a frequency converter control cabinet. The cabinet comprises a collet which is provided with a left casing and a right casing, the left casing is provided with a left front door, the right casing is provided with a right front door, the right side plate and the left casing and the left side plate of the right casing are flanges which are fixed through bolts, and an unlock mechanism with simple structure is installed between the left front door and the right front door. The control cabinet housing has a left cavity and a right cavity so as to facilitate processing, the bolts are assembled to a control cabinet housing at processing, because the frequency converter is arranged in the housing, the device has small size and easy to arrange, the unlock mechanism is installed between the left front door and the right front door, the right front door must be opened, and the unlock mechanism can open the right front door, and especially the left front door is a heavy current cavity which is very necessary so as to avoid blast accidents caused by opening the heavy current cavity by mistake without power off.

Description

A kind of frequency converter control cabinet
The application is China's 2014 applyings date December 26, application number CN201410823235.0, entitled " a kind of Two-chamber explosion-proof frequency converter switch board " divisional application.
Technical field
The present invention relates to a kind of control chamber, particularly relate to a kind of frequency converter control cabinet.
Background technology
Variable frequency regulating speed control case is application converter technique and microelectric technique, by changing motor working power Frequency Patterns Control the control electronics of ac motor.Variable frequency regulating speed control case is mainly used in has methane and coal dust environment, nothing The underground coal mine of corrosive gas, to exchange 50Hz, rated voltage 660V or the corresponding three-phase squirrel-cage induction motor of 1140V Carry out soft start, soft stop, rotating, speed regulation etc. to control, and motor and relevant circuit are protected.Four-quadrant is rationed the power supply The inertia energy of load can be fed back to electrical network by gas holder, and has regeneration function and braking function, it is adaptable to have electrical energy regeneration The occasions such as the large inertia load loaded with the potential energy of energy-conserving and environment-protective demand and suddenly slow down.It is mainly used in belt-conveying in colliery The similar applications such as machine, scrapper conveyor, water pump and lifting of winch.Four-quadrant two-chamber explosion-proof frequency converter switch board possesses these advantages, because of This is widely used in inflammable and explosive property places such as underground coal mine dust atmospheres.Relative to common converter, four-quadrant is electric Cabinet faced by environment harsher, especially to the installability of complete machine structure and maintainable require higher.And current four The many employings of quadrant explosion-proof frequency converter are split type, and not only inconvenience is installed and safeguarded to movement, and volume is big, are difficult to arrange, and also There is no the device of safeguard protection.
Summary of the invention
For above-mentioned prior art problem, the present invention provides a kind of frequency converter control cabinet, have that volume is little, be easily worked, Easily arrange, advantage that safety is high.
To achieve these goals, the technical solution used in the present invention is: a kind of frequency converter control cabinet, including a collet, Being provided with left box body and right case on described collet, left box body is provided with left front door, and right case is provided with right front door, described The right plate of left box body and the left plate of right case are ring flange, and are bolted ring flange, described left front door and Being provided with unlocking mechanism between right front door, described unlocking mechanism is a bearing pin, and bearing pin is arranged in a through hole of ring flange, makes Horizontally slip along through hole after bearing pin energy, the right side wall of left front door has the pin-and-hole that can insert bearing pin one end, another of bearing pin End stays gap-contact, described bearing pin to have external screw thread with the left side wall of right front door, has and join with bearing pin in the through hole of ring flange The female thread closed.
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.
The present invention plays and provides the benefit that: control chamber housing uses left and right chamber, owing to being a point chamber, it is simple to processing, processing Being assembled into control chamber housing with bolt afterwards, 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 necessary to open right front door, just can be opened by unlocking mechanism left front Door, particularly left front door is forceful electric power chamber, and this is the most necessary, prevents not having power-off to open forceful electric power chamber the most by mistake and cause quick-fried Fried accident, unlocking mechanism is a threaded bearing pin, defines pin-and-hole-bearing pin-ring flange-right front door, and this mutually restricts System, simple in construction, cheap, easily manufacture, only open right front door, rotary pin shaft moves right, the end body of bearing pin Departing from the pin-and-hole of left front door right side wall, left front door just can be opened by side door-opening mechanism, and the helicitic texture of bearing pin makes bearing pin energy The outside being enough fixed on ring flange is difficult to drop, in rotary moving, reliably facilitates, and this device is additionally provided with enforcement functionalities, in bearing pin Between lock body is installed, it is necessary to have the staff of key take away lock body can rotary pin shaft, and then open left front door, outside placement Portion personnel 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, flange Dish, 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, Left box body 2 is provided with left front door 4, and right case 3 is provided with right front door 5, the right plate of described left box body 2 and a left side for right case 3 Side plate is ring flange 7, and ring flange 7 is the shape of the side adapting to casing, and the most square, centre has through hole, surrounding not to have Multiple bolt mouths, and it is bolted ring flange, between described left front door 4 and right front door 5, unlocking mechanism is installed.
Described unlocking mechanism is a bearing pin 8, and the outer rim of ring flange 7 is prominent left box body 2 and the casing table of right case 3 Face, and the outer rim of ring flange 7 has a through hole that can accommodate bearing pin 8, and bearing pin 8 has external screw thread, tool in the through hole of ring flange There is the female thread coordinated with bearing pin 8 so that sliding along through hole spiral after bearing pin 8 energy, the right side wall of left front door 4 has and can insert The left side wall gap-contact of the pin-and-hole 41 of bearing pin 8 one end, the other end of bearing pin 8 and right front door 5, the both sides of bearing pin 8 are provided with spiral shell Female 81, nut 81 is apart from about 2 to 5 centimetres, the outer end of bearing pin 8 so that nut 81 does not affect the end of bearing pin 8 and inserts pin-and-hole In 41.Bolt can preferably prevent bearing pin 8 landing, if change bearing pin 8 or need not bearing pin 8, turns on nut 81, pin Axle 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 shell with bolt after processing Body, 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 casing on opposite more intuitively Inside overall condition, unlocking mechanism is installed 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 one and can hold Receive the through hole of bearing pin so that horizontally slipping along through hole after bearing pin energy, the right side wall of left front door has and can insert bearing pin one end Pin-and-hole, the left side wall gap-contact of the other end of bearing pin and right front door, such structure makes the bearing pin can a locked left side tightly Qianmen, it is necessary to first open right front door, after right front door moves, slides along through hole spiral to the right after bearing pin energy, bearing pin and left front door Pin-and-hole separates, and just can directly be opened left front door 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, and such structure just seems even more important, and what forceful electric power chamber cannot be random beats 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, by interlocking Mechanism, in the case of light current chamber opens power-off, just can open forceful electric power chamber, prevent maintainer from endangering because of maloperation Danger.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 case Body.

Claims (4)

1. a frequency converter control cabinet, it is characterised in that include a collet, described collet is provided with left box body and right case Body, left box body is provided with left front door, and right case is provided with right front door, the right plate of described left box body and the left plate of right case It is ring flange, and is bolted ring flange, unlocking mechanism is installed between described left front door and right front door, described Unlocking mechanism is a bearing pin, and bearing pin is arranged in a through hole of ring flange so that horizontally slip along through hole after bearing pin energy, left front The right side wall of door has the pin-and-hole that can insert bearing pin one end, and the other end of bearing pin and the left side wall of right front door stay gap-contact, institute The bearing pin stated has external screw thread, has the female thread coordinated with bearing pin in the through hole of ring flange.
A kind of frequency converter control cabinet the most according to claim 1, it is characterised in that described left box body and right case are all pacified Equipped with side door-opening mechanism.
A kind of frequency converter control cabinet the most according to claim 1, it is characterised in that described left box body is forceful electric power chamber, Described right case is light current chamber.
A kind of frequency converter control cabinet the most according to claim 1, it is characterised in that the pars intermedia of described bearing pin has use In the hole of installation lock body, hole, in the left side of ring flange, hole is provided with lock body.
CN201610588273.1A 2014-12-26 2014-12-26 Frequency converter control cabinet Pending CN106059263A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610588273.1A CN106059263A (en) 2014-12-26 2014-12-26 Frequency converter control cabinet

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610588273.1A CN106059263A (en) 2014-12-26 2014-12-26 Frequency converter 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
CN106059263A true CN106059263A (en) 2016-10-26

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
CN201610588273.1A Pending CN106059263A (en) 2014-12-26 2014-12-26 Frequency converter control cabinet
CN201610593392.6A Pending CN106059265A (en) 2014-12-26 2014-12-26 Frequency converter control cabinet for preventing mal-operations
CN201610588286.9A Pending CN106026680A (en) 2014-12-26 2014-12-26 Misoperation preventing electric control cabinet
CN201610593391.1A Pending CN106059264A (en) 2014-12-26 2014-12-26 Double cavity electric control cabinet
CN201410823235.0A Pending CN104506020A (en) 2014-12-26 2014-12-26 Double-cavity explosion-proof frequency converter control cabinet

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201610588287.3A Pending CN106026681A (en) 2014-12-26 2014-12-26 Electric control cabinet

Family Applications After (4)

Application Number Title Priority Date Filing Date
CN201610593392.6A Pending CN106059265A (en) 2014-12-26 2014-12-26 Frequency converter control cabinet for preventing mal-operations
CN201610588286.9A Pending CN106026680A (en) 2014-12-26 2014-12-26 Misoperation preventing electric control cabinet
CN201610593391.1A Pending CN106059264A (en) 2014-12-26 2014-12-26 Double cavity electric control cabinet
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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114844369A (en) * 2022-04-21 2022-08-02 山东博诚电气有限公司 Combined casing of high-voltage AC frequency converter for mine

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* Cited by examiner, † Cited by third party
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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

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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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114844369A (en) * 2022-04-21 2022-08-02 山东博诚电气有限公司 Combined casing of high-voltage AC frequency converter for mine
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

Also Published As

Publication number Publication date
CN106026681A (en) 2016-10-12
CN104506020A (en) 2015-04-08
CN106059264A (en) 2016-10-26
CN106026680A (en) 2016-10-12
CN106059265A (en) 2016-10-26

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PB01 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20161026

WD01 Invention patent application deemed withdrawn after publication