CN106330001A - Explosion-proof type frequency conversion control box - Google Patents
Explosion-proof type frequency conversion control box Download PDFInfo
- Publication number
- CN106330001A CN106330001A CN201610780297.7A CN201610780297A CN106330001A CN 106330001 A CN106330001 A CN 106330001A CN 201610780297 A CN201610780297 A CN 201610780297A CN 106330001 A CN106330001 A CN 106330001A
- Authority
- CN
- China
- Prior art keywords
- explosion
- frequency conversion
- proof
- conversion control
- control chamber
- 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
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 8
- 239000007858 starting material Substances 0.000 claims abstract description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 241000555745 Sciuridae Species 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/02—Details of starting control
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention proposes an explosion-proof type frequency conversion control box, and the control box comprises a box body. The interior of the box body is provided with an explosion-proof type main cavity, and the interior of the main cavity is provided with a frequency converter. The box body is provided with a switching door, and the switching door is provided with a speed regulator and a starter. The speed regulator and the starter are connected with the frequency converter. The bottom of the box body is provided with a control motor, and the frequency converter is connected with the control motor. The control box is provided with an explosion-proof surface, guarantees the use safety, and is convenient for installation and maintenance.
Description
Technical field
The invention belongs to field, particularly to a kind of explosion-proof frequency conversion control chamber.
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 ore deposit
The inertia energy of load can be fed back to electrical network with flameproof and intrinsic safety type variable frequency speed control control chamber, and have regeneration function
And braking function, it is adaptable to there are the fields 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
Close.The similar applications such as belt conveyer, scrapper conveyor, water pump and lifting of winch it are mainly used in colliery.Four-quadrant mine explosion-suppression is held concurrently
Essential safe type variable frequency regulating speed control case possesses these advantages, is therefore widely used in inflammable at underground coal mine dust atmosphere etc.
Explosion hazard place.Relative to common converter, four-quadrant mine flameproof and intrinsic safety type variable frequency speed control control chamber faced by
Environment is harsher, and especially installability and maintainable requirement to complete machine structure is higher.And the explosion-proof change of current four-quadrant
Frequently the many employings of device are split type, and not only inconvenience is installed and safeguarded to movement, and volume is big, are difficult to arrange, and do not have safeguard protection
Device.
Therefore, a kind of explosion-proof frequency conversion control chamber is needed now badly, it is possible to be provided with flame proof surface, it is ensured that the safety of use,
Simultaneously facilitate installation to safeguard.
Summary of the invention
The present invention proposes a kind of explosion-proof frequency conversion control chamber, solves VFC case flame proof effect in prior art and pays no attention to
Think, and install and the problem of maintenance inconvenience.
The technical scheme is that and be achieved in that: explosion-proof frequency conversion control chamber, including casing, be provided with in casing every
The main chamber of quick-fried type, main intracavity is provided with converter, and casing is provided with switch gate, and switch gate is provided with speed regulator and starting
Device, speed regulator and trigger connect converter, and box bottom is provided with control motor, and converter connects control motor.
As one preferred embodiment, casing includes housing and cap, and housing uses Plate Welding molding, housing with
Using bolt firm between cap, switch gate is articulated with the side of casing.
As one preferred embodiment, A.C. contactor and thermorelay it are additionally provided with in casing.
As one preferred embodiment, cap includes a flame proof depression, is provided with axle sleeve, outside axle sleeve in flame proof depression
Being provided with bent plate, flame proof sunk surface is provided with ring flange, and ring flange is connected with lid, and lid has flame proof surface.
As one preferred embodiment, casing top is provided with some lifting bolts, and some lifting bolts are at casing
Side view is not located along the same line.
As one preferred embodiment, sealing rubber strip it is provided with between housing and cap.
As one preferred embodiment, box bottom is provided with leg, and leg upper bottom portion is provided with installation liner plate,
It is bolted between foot and installation liner plate.
As one preferred embodiment, speed regulator and trigger are respectively arranged with speed governing button and start button, shell
Speed governing button hole hole and start button hole it is provided with on body.
As one preferred embodiment, in casing, it is provided with wire connection cavity, is provided with electric power incoming line in wire connection cavity and bears
Setting out line, wire connection cavity outer cover is provided with wire connection cavity lid.
As one preferred embodiment, flame proof lid includes a flame proof depression, is provided with some nuts in flame proof depression,
Flame proof sunk surface is provided with ring flange, and ring flange is connected with lid, and lid has flame proof surface.
As one preferred embodiment, casing is provided with incoming line and line outlet, incoming line and line outlet to arrange
Having screw thread to join steel pipe, screw thread joins steel pipe and incoming line and line outlet screw-threaded engagement is buckled number and buckled more than or equal to 5, and threaded engagement precision is not
Less than 6H, roughness RA is more than or equal to 3.2 μm.
As one preferred embodiment, flame proof length surface is more than or equal to 25mm, and thickness is more than or equal to 9mm.
After have employed technique scheme, the invention has the beneficial effects as follows: the cap surface of housing can be utilized well
The explosion suppresion surface arranged, until flame proof effect well so that it is 1st district containing explosive gas mixture, 2nd district can be suitable for, thus
Startup and the stopping of three-phase squirrel cage type motor can be controlled well, complete frequency conversion, transship, disconnected mutually and the protection merit of decompression
Energy.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the left view structural representation of the present invention；
Fig. 3 is the rearview of the present invention；
Fig. 4 is the structural representation of inventive shell.
In figure, 1-split pin；2-hinge；3-rotating shaft；4-interior angle screw；5-packing ring；8-casing；9-housing；10-seals rubber
Adhesive tape；11-lid；12-lifting bolt；13-bolt；15-installs liner plate；21-flange；22-axle sleeve；23-bent plate；24-lid.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Explosion-proof frequency conversion control chamber as Figure 1-4, including casing 8, is provided with the main chamber of flame-proof type, main chamber in casing 8
Inside it is provided with converter, casing 8 is provided with switch gate, switch gate is provided with speed regulator and starter, speed regulator and startup
Device connects converter, is provided with control motor bottom casing 8, and converter connects control motor.
Casing 8 includes that housing 9 and cap, housing 9 use Plate Welding molding, uses bolt 13 between housing 9 and cap
Firm, switch gate is articulated with the side of casing 8, and housing 9 is provided with rotating shaft 3, rotating shaft 3 cottering 1, split pin 1 position
By the hinged switch gate of hinge 2, by interior angle screw 4 fixed hinge 2 and switch gate, bottom interior angle screw 4, it is provided with packing ring 5.
Same housing 9 edge is also equipped with soket head cap screw, is provided with packing ring 5 bottom soket head cap screw.
A.C. contactor and thermorelay it is additionally provided with in casing 8.
Cap includes a flame proof depression, is provided with axle sleeve 22 in flame proof depression, and axle sleeve 22 is outside equipped with bent plate 23, and flame proof is recessed
Sunken surface configuration has flange 21 dish, flange 21 dish to be connected with lid 24, and lid 24 has flame proof surface.
Casing 8 top is provided with some lifting bolts 12, and some lifting bolts 12 are not positioned at same in casing 8 side view
On straight line.
Sealing rubber strip 10 it is provided with between housing 9 and cap.
Being provided with leg bottom casing 8, leg upper bottom portion is provided with installation liner plate 15, logical between leg and installation liner plate 15
Cross bolt 13 to fix.
Speed regulator and trigger are respectively arranged with speed governing button and start button, and housing 9 is provided with speed governing button hole hole
With start button hole.
Being provided with wire connection cavity in casing 8, be provided with electric power incoming line and load outlet in wire connection cavity, wire connection cavity outer cover is provided with
Wire connection cavity lid.
Flame proof lid includes a flame proof depression, is provided with some nuts in flame proof depression, and flame proof sunk surface is provided with flange
21 dishes, flange 21 dish is connected with lid 24, and lid 24 has flame proof surface.
Being provided with incoming line and line outlet, incoming line and line outlet on casing 8 to be provided with screw thread and join steel pipe, screw thread joins steel pipe
Being threaded engagement button number with incoming line and line outlet to detain more than or equal to 5, threaded engagement precision is not less than 6H, and roughness RA is more than or equal to
3.2μm。
Flame proof length surface is more than or equal to 25mm, and thickness is more than or equal to 9mm.
Control chamber must carry out before installing checking for damaging, and when confirming without damaging, just can install and use.Control chamber is necessary
Right angle setting, gradient is less than 15 °, otherwise, can affect device and normally work.Control chamber is installed and used and must be carried out ground connection.
It is the most consistent with its nameplate data that controlled motor should conscientiously be proofreaded before use by control chamber.Control chamber is opened when wiring
The lid of wire connection cavity, receives intracavity relevant position by wiring diagram respectively the cable of electric power incoming line, load outlet, confirms errorless bonnet
The lid of good wire connection cavity.Control chamber wiring complete to confirm errorless after, during the lid of lid wire connection cavity, note the cleaning of explosion suppresion surface, forbidden to have
Scratch, collide with.Measure after fastening bolt 13 whether its gap ic meets the requirements prescribed.The housing 9 of control chamber and the flame proof of lid
Composition surface must remain clean and intact, does not allows corrosion occur, collide with and scratch.Control chamber maintenance or install time,
Front level power supply should be first turned off can carry out.
The operation principle of this explosion-proof frequency conversion control chamber is: can utilize well housing 9 cap surface configuration every
Quick-fried, until flame proof effect well so that it is 1st district containing explosive gas mixture, 2nd district can be suitable for such that it is able to very well
Ground controls the startup of three-phase squirrel cage type motor and stopping, completing frequency conversion, transship, disconnected mutually and the defencive function of decompression.
These are only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. explosion-proof frequency conversion control chamber, including casing, it is characterised in that be provided with the main chamber of flame-proof type in described casing, described
Main intracavity is provided with converter, and described casing is provided with switch gate, and described switch gate is provided with speed regulator and starter, institute
Stating speed regulator and trigger connects described converter, described box bottom is provided with control motor, and described converter connects described
Control motor.
Explosion-proof frequency conversion control chamber the most according to claim 1, it is characterised in that described casing includes housing and cap,
Described housing uses Plate Welding molding, uses bolt firm between described housing and cap, and described switch gate is articulated with casing
Side.
Explosion-proof frequency conversion control chamber the most according to claim 2, it is characterised in that described cap includes a flame proof depression,
Being provided with axle sleeve in described flame proof depression, described axle sleeve is outside equipped with bent plate, and described flame proof sunk surface is provided with ring flange, institute
Stating ring flange and be connected with lid, described lid has flame proof surface.
Explosion-proof frequency conversion control chamber the most according to claim 3, it is characterised in that be additionally provided with exchange in described casing and connect
Tentaculum and thermorelay.
Explosion-proof frequency conversion control chamber the most according to claim 4, it is characterised in that described casing top is provided with some hanging
Ring screw, described some lifting bolts are not located along the same line in case-side view.
Explosion-proof frequency conversion control chamber the most according to claim 5, it is characterised in that be provided with between described housing and cap
Sealing rubber strip.
Explosion-proof frequency conversion control chamber the most according to claim 6, it is characterised in that described box bottom is provided with leg,
Described leg upper bottom portion is provided with installation liner plate, is bolted between described leg and installation liner plate.
Explosion-proof frequency conversion control chamber the most according to claim 7, it is characterised in that described speed regulator and trigger set respectively
It is equipped with speed governing button and start button, described housing is provided with speed governing button hole hole and start button hole.
Explosion-proof frequency conversion control chamber the most according to claim 8, it is characterised in that be provided with wire connection cavity in described casing,
Being provided with electric power incoming line and load outlet in described wire connection cavity, described wire connection cavity outer cover is provided with wire connection cavity lid.
Explosion-proof frequency conversion control chamber the most according to claim 9, it is characterised in that described flame proof length surface is more than
In 25mm, thickness is more than or equal to 9mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610780297.7A CN106330001A (en) | 2016-08-31 | 2016-08-31 | Explosion-proof type frequency conversion control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610780297.7A CN106330001A (en) | 2016-08-31 | 2016-08-31 | Explosion-proof type frequency conversion control box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106330001A true CN106330001A (en) | 2017-01-11 |
Family
ID=57789712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610780297.7A Pending CN106330001A (en) | 2016-08-31 | 2016-08-31 | Explosion-proof type frequency conversion control box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106330001A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05168189A (en) * | 1991-12-10 | 1993-07-02 | Mitsubishi Electric Corp | Brake for explosionproof three-phase induction motor |
| CN201869086U (en) * | 2010-11-09 | 2011-06-15 | 焦作华飞电子电器股份有限公司 | Multifunctional explosion-proof casing for high-voltage explosion-proof frequency converter |
| CN202713226U (en) * | 2012-08-27 | 2013-01-30 | 山东能源电器股份有限公司 | Intelligent load tracking mine-used flameproof frequency-conversion speed-adjusting device |
| CN202737806U (en) * | 2012-08-27 | 2013-02-13 | 山东能源电器股份有限公司 | Mine explosion-proof driver integrating frequency converter and electric motor |
| CN203211305U (en) * | 2012-12-28 | 2013-09-25 | 巨大矿业有限公司 | Flameproof frequency converter for storage battery electric locomotive |
-
2016
- 2016-08-31 CN CN201610780297.7A patent/CN106330001A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05168189A (en) * | 1991-12-10 | 1993-07-02 | Mitsubishi Electric Corp | Brake for explosionproof three-phase induction motor |
| CN201869086U (en) * | 2010-11-09 | 2011-06-15 | 焦作华飞电子电器股份有限公司 | Multifunctional explosion-proof casing for high-voltage explosion-proof frequency converter |
| CN202713226U (en) * | 2012-08-27 | 2013-01-30 | 山东能源电器股份有限公司 | Intelligent load tracking mine-used flameproof frequency-conversion speed-adjusting device |
| CN202737806U (en) * | 2012-08-27 | 2013-02-13 | 山东能源电器股份有限公司 | Mine explosion-proof driver integrating frequency converter and electric motor |
| CN203211305U (en) * | 2012-12-28 | 2013-09-25 | 巨大矿业有限公司 | Flameproof frequency converter for storage battery electric locomotive |
Non-Patent Citations (2)
| Title |
|---|
| 中国电器工业协会: "《防爆电器产品手册》", 31 May 2010, 机械工业出版社 * |
| 王宏: "《安全仪器监测工 从入门到精通》", 30 April 2012, 煤炭工业出版社 * |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170111 |