CN206266104U - A kind of explosion-proof crane explosion-proof feedback unit and explosion-proof crane - Google Patents
A kind of explosion-proof crane explosion-proof feedback unit and explosion-proof crane Download PDFInfo
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- CN206266104U CN206266104U CN201621295950.2U CN201621295950U CN206266104U CN 206266104 U CN206266104 U CN 206266104U CN 201621295950 U CN201621295950 U CN 201621295950U CN 206266104 U CN206266104 U CN 206266104U
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- feedback unit
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Abstract
The utility model discloses a kind of explosion-proof crane explosion-proof feedback unit and explosion-proof crane, the inversion module for being connected with the DC output end of frequency converter by wave filter is provided with casing, the output end of inversion module is connected through current transformer with one end of reactor, the other end of reactor is connected with contactor, the output end of contactor is used to be connected with power network, and circuit board is additionally provided with casing；Inversion module is fixedly connected by heat-conducting layer with the inner plate surface of casing, and wave filter, current transformer, reactor and contactor are directly fixedly connected with the inner plate surface of casing, and circuit board is fixedly connected on the inner plate surface of the casing by pillar.The inversion module of main heater element in casing is contacted fixation by explosion-proof feedback unit of the present utility model by heat-conducting layer with the inner plate surface of casing, the heat transfer produced by heat-conducting layer, casing to outside casing, by the temperature in the Thermal conductivity explosion-proof box body of reduction of heat-conducting layer.
Description
Technical field
The utility model belongs to energy feedback field, and in particular to a kind of explosion-proof crane explosion-proof feedback unit and explosion-proof
Crane.
Background technology
It is the automaticity for improving industry, reduces labor operation intensity, is reseted what inflammable and explosive to etc. place used
Standby more and more, country is to the explosion-proof with strict requirements of this kind of place.Explosion-proof crane is exactly to apply in this kind of place
A kind of common equipment.
Explosion-proof crane is in addition to security performance necessary to possessing general crane, it is necessary to explosion-proof performance.It is existing
There is the electrical explosion proof of crane typically in the form of flame-proof type, exactly by all components there may be the environmental gas that ignite
It is placed on special explosion-proof chamber（Explosion-proof tank）It is interior.
In addition, the continuous improvement with industrial production to crane speed regulation performance requirement, traditional crane speed regulation mode
The wound-rotor asynchronous motor of use needs collector ring and brush, and they require periodic maintenance, is caused by collector ring and brush
Failure it is relatively conventional, along with a large amount of relays, the use of contactor, cause on-site maintenance amount larger, the event of governing system
Barrier rate is higher, and the comprehensive technical indexes of governing system are poor, and industrial particular/special requirement can not be met.AC frequency conversion
Speed adjusting technique in the extensive use of industrial quarters, be the crane that drives of AC asynchronous motor on a large scale, speed governing in high quality carries
Brand-new scheme is supplied.
On the explosion-proof crane using frequency control, if using the control principle of common frequency hoisting machine, by energy consumption
Braking resistor, because braking resistor volume is big, it is impossible in explosion-proof electric control box, brakes electricity in addition in explosion-proof control box
Resistance caloric value is big, it is impossible to ensure the temperature of control cabinet plate face.Therefore, most of explosion-proof crane uses feedback unit, feedback system
Moving cell can be the produced regenerative electric energy feedback in speed regulation process of motor to power network, without reusing external braking electricity
Resistance, energy-conserving and environment-protective.The product carries reactor and noise filter, directly can be used with power network docking, it is ensured that frequency converter is normal
Operate in maximum power save mode.Feedback unit small volume, easily can be positioned in explosion-proof tank, but such set-up mode
Also have the shortcomings that it is certain, be exactly when feedback unit runs produced heat be closed in explosion-proof chamber, it is difficult to distribute, case
Interior to produce temperature higher, the performance to feedback unit has a huge impact, or even to drop appearance and use, and increases product
Cost.
Therefore, it is necessary to carry out structure improvement with explosion-proof feedback unit to explosion-proof crane, quickly can exclude in casing
Heat, reduce temperature, it is ensured that the service behaviour of equipment.
Utility model content
The purpose of this utility model is directed to above-mentioned the deficiencies in the prior art, and provides a kind of explosion-proof crane with explosion-proof time
Feedback unit, with solve heat in existing explosion-proof feedback unit case cannot exclude cause case body temperature it is higher influence device workability
The problem of energy, while providing a kind of explosion-proof crane using the explosion-proof feedback unit.
In order to solve the above technical problems, the technical scheme that the utility model is used is：A kind of explosion-proof crane is provided
Use explosion-proof feedback unit, including the casing enclosed by multiple metallic plates, be provided with the casing for by wave filter with
The inversion module of the DC output end connection of frequency converter, the output end of the inversion module passes through current transformer with reactor
One end connects, and the other end of the reactor is connected with contactor, and the output end of the contactor is used to be connected with power network, described
Circuit board is additionally provided with casing；The inversion module is fixedly connected by heat-conducting layer with the inner plate surface of the casing, the filtering
The inner plate surface of device, current transformer, reactor and contactor with the casing is directly fixedly connected, and the circuit board is by branch
Post is fixedly connected on the inner plate surface of the casing.
In a preferred embodiment, the heat-conducting layer is heat conduction silicone or thermal conductive silicon lipid layer.
In a preferred embodiment, it is additionally provided with the casing for by the fan of the air Uniform Flow in casing, institute
State the top that fan is fixed in the casing.
In a preferred embodiment, the casing includes foreboard, biside plate, backboard, top board and base plate, the inversion mould
The inner plate surface of block, wave filter, current transformer, reactor, contactor and circuit board with the backboard is fixedly connected.
In a preferred embodiment, the heat for will be transmitted on backboard is fixed with the outer plate surface of the backboard and is accelerated
The radiator of diffusion.
In a preferred embodiment, the electric capacity for filtering and storing electric energy, the electric capacity institute are additionally provided with the casing
Installing plate be fixedly connected with the inner plate surface of the backboard by corresponding pillar.
In a preferred embodiment, the two ends of the reactor are electrically connected by copper bar with inversion module, contactor respectively.
In a preferred embodiment, the metallic plate is aluminium sheet.
In a preferred embodiment, the circuit board includes main control board, charging circuit board and voltage detecting circuit plate.
The utility model additionally provides the explosion-proof crane of the explosion-proof feedback unit of said structure.
The beneficial effects of the utility model are：
The inversion module of main heater element in casing is passed through heat-conducting layer and case by explosion-proof feedback unit of the present utility model
The inner plate surface contact of body is fixed, outside the heat transfer produced by heat-conducting layer, casing to casing, by the good of heat-conducting layer
Temperature in the explosion-proof box body of good heat conductivility reduction.
Outside the enclosure sets radiator increases area of dissipation, further enhances radiating effect.
By the fan that is set in casing can rapidly air flow, it is to avoid the local heating of box house.
Brief description of the drawings
Fig. 1 is the cut-away drawing of the explosion-proof feedback unit embodiment of the application；
Fig. 2 is the external structure schematic diagram of the explosion-proof feedback unit embodiment of the application；
Fig. 3 is the explosion-proof feedback unit embodiment internal structure front view of the application；
Fig. 4 is the structure chart of the second installing plate embodiment in Fig. 3；
Fig. 5 is the structure chart of the 3rd installing plate embodiment in Fig. 3；
Fig. 6 is the side view of Fig. 3.
Specific embodiment
For the ease of understanding the utility model, below in conjunction with the accompanying drawings and specific embodiment, the utility model is carried out more detailed
Thin explanation.Preferred embodiment of the present utility model is given in accompanying drawing.But, the utility model can be with many different
Form is realized, however it is not limited to embodiment described by this specification.On the contrary, the purpose for providing these embodiments is made to this
The understanding of the disclosure of utility model is more thorough comprehensive.
It should be noted that unless otherwise defined, all of technology that this specification is used and scientific terminology with belong to
The implication that those skilled in the art of the present utility model are generally understood that is identical.Of the present utility model used in the description
Term be intended merely to describe specific embodiment purpose, be not intended to limit the utility model.What this specification was used
Term "and/or" includes the arbitrary and all of combination of one or more related Listed Items.
A kind of embodiment of the explosion-proof feedback unit of explosion-proof crane is provided such as Fig. 1~6, as seen from the figure, this is explosion-proof time
Feedback unit includes the casing 20 enclosed by multiple metallic plates, is provided with for by fuse 8, the and of wave filter 1 in casing 20
The inversion module 3 that diode 9 is connected with the DC output end of frequency converter, the output end of inversion module 3 through current transformer 4 with
One end connection of reactor 7, the other end of reactor is connected with contactor 5, and the output end of contactor 5 is used to be connected with power network；
Circuit board is additionally provided with the casing, the circuit board includes main control board 201, charging circuit board 202 and voltage detecting circuit plate
203, the electrical connection of each electric elements is realized by wire, copper bar and corresponding plug in casing.Because inversion module 3 is main
Heater members, therefore passed through heat-conducting layer and be fixedly connected with the inner plate surface of casing, wave filter 1, current transformer 4, reactance
Device 7 and contactor 5 are directly fixedly connected with the inner plate surface of casing, and circuit board is fixedly connected on the inner panel of casing by pillar
On face.
The heat-conducting layer of the present embodiment is heat conduction silicone or thermal conductive silicon lipid layer, and heat conductive silica gel or heat-conducting silicone grease are all high-end
Heat conduction compound, with superpower heat-conducting effect.In radiating and heat conduction application, even two very bright and clean planes of plate face
Can all there is space to occur when contacting with each other, the air in these spaces is the non-conductor of heat, can hinder heat to fin
Conduction.And heat conductive silica gel and heat-conducting silicone grease can be very good to fill the gap of contact surface, air is extruded into contact surface, make contact
Face is preferably fully contacted, and is truly realized aspectant contact.Inversion module 3 is coated into heat conductive silica gel or heat-conducting silicone grease is fixed on
On casing inner plate surface, the heat that feedback unit is produced when running is set to be delivered to outside casing by heat-conducting layer silicone grease, casing, to reach
To the purpose for reducing explosion-proof the temperature inside the box.
The casing 20 is made up of foreboard 21, biside plate, backboard 19, top board and base plate, inversion module 3, filtering in casing
The inner plate surface of device 1, current transformer 4, reactor 7, contactor 5 and circuit board with backboard 19 is fixedly connected.As shown in Fig. 2
The radiator 18 that the heat for will be transmitted on backboard accelerates diffusion is fixed with the outer plate surface of backboard, the radiator is multilayer
Hollow gilled radiator, can increasing heat radiation area, after the heat of box house is transmitted on radiator by backboard, can
It is diffused rapidly in air, further enhances radiating effect.
Further, it is additionally provided with casing for by the fan 11 of the air Uniform Flow in casing, the fan to be fixed on
Top in casing, the air-flow Accelerating running in casing is made by the effect of fan, in energy dissipation to whole casing, by case
Each plate face of body is outwards conducted, and area of dissipation is increased indirectly, further enhancing heat dispersion, it is to avoid box house
Local heating.
As illustrated in figures 3-6, the layout of each device of box house is as follows：Radiator 18 passes through the hole 12 opened up on backboard 19
Outer plate surface with backboard is connected；It is fixed with fan 11 on the inner plate surface of backboard 19 successively from top to bottom, it is vacantly solid by pillar 22
Fixed main circuit board 201, the inversion module 3 fixed by heat conduction silicone or thermal conductive silicon lipid layer, fixed by corresponding pillar
The first installing plate 13, current transformer 4, reactor 7, the second installing plate 16 fixed by corresponding pillar, by correspondence
Pillar the 3rd installing plate 17, wave filter 1, fuse 8 and the contactor 5 fixed.Wherein, the first installing plate 13 be fixed with for
Filtering and the electric capacity 10 of storage electric energy, are fixed with copper bar 6 and are filled for carrying out charge control to electric capacity on the second installing plate 16
Electric circuit board 202, diode 9 is fixed with the 3rd installing plate 17 and during for detecting grid-connected line voltage value voltage detecting electricity
Road plate 203.The two ends of reactor 7 are electrically connected by copper bar 6 with inversion module 3, contactor 5 respectively, the terminals of current transformer 4
It is connected with main circuit board 201 by corresponding plug.
The metallic plate of the present embodiment is aluminium sheet, with good heat dispersion.
The utility model additionally provides a kind of explosion-proof crane using above-mentioned explosion-proof feedback unit.
Explosion-proof feedback unit of the present utility model is by the inversion module of main heater element by heat-conducting layer and casing
Plate face contact is fixed, outside the heat transfer produced by heat-conducting layer, casing to casing, by the good heat conductive of heat-conducting layer
Temperature in the explosion-proof box body of performance reduction.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure transformation made using the utility model specification and accompanying drawing content, or directly or indirectly it is used in other correlations
Technical field, is included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of explosion-proof feedback unit of explosion-proof crane, including the casing enclosed by multiple metallic plates, it is characterised in that
The inversion module for being connected with the DC output end of frequency converter by wave filter is provided with the casing, the inversion module
Output end is connected through current transformer with one end of reactor, and the other end of the reactor is connected with contactor, described to connect
The output end of tentaculum is used to be connected with power network, and circuit board is additionally provided with the casing；The inversion module passes through heat-conducting layer and institute
The inner plate surface for stating casing is fixedly connected, the wave filter, current transformer, reactor and contactor with the inner panel of the casing
Face is directly fixedly connected, and the circuit board is fixedly connected on the inner plate surface of the casing by pillar.
2. the explosion-proof feedback unit of explosion-proof crane according to claim 1, it is characterised in that the heat-conducting layer is heat conduction
Layer of silica gel or thermal conductive silicon lipid layer.
3. the explosion-proof feedback unit of explosion-proof crane according to claim 2, it is characterised in that be additionally provided with the casing
For by the fan of the air Uniform Flow in casing, the top that the fan is fixed in the casing.
4. the explosion-proof feedback unit of the explosion-proof crane according to Claims 2 or 3, it is characterised in that the casing includes
Foreboard, biside plate, backboard, top board and base plate, the inversion module, wave filter, current transformer, reactor, contactor and electricity
Inner plate surface of the road plate with the backboard is fixedly connected.
5. the explosion-proof feedback unit of explosion-proof crane according to claim 4, it is characterised in that the outer plate surface of the backboard
On be fixed with the radiator for accelerating diffusion for the heat that will be transmitted on backboard.
6. the explosion-proof feedback unit of explosion-proof crane according to claim 5, it is characterised in that be additionally provided with the casing
Electric capacity for filtering and storing electric energy, the installing plate where the electric capacity passes through the inner plate surface of corresponding pillar and the backboard
It is fixedly connected.
7. the explosion-proof feedback unit of explosion-proof crane according to claim 6, it is characterised in that the two ends of the reactor
Electrically connected with inversion module, contactor by copper bar respectively.
8. the explosion-proof feedback unit of explosion-proof crane according to claim 7, it is characterised in that the metallic plate is aluminium
Plate.
9. the explosion-proof feedback unit of explosion-proof crane according to claim 8, it is characterised in that the circuit board includes master
Control circuit board, charging circuit board and voltage detecting circuit plate.
10. a kind of explosion-proof crane, including the explosion-proof feedback unit as described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621295950.2U CN206266104U (en) | 2016-11-30 | 2016-11-30 | A kind of explosion-proof crane explosion-proof feedback unit and explosion-proof crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621295950.2U CN206266104U (en) | 2016-11-30 | 2016-11-30 | A kind of explosion-proof crane explosion-proof feedback unit and explosion-proof crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206266104U true CN206266104U (en) | 2017-06-20 |
Family
ID=59042263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621295950.2U Active CN206266104U (en) | 2016-11-30 | 2016-11-30 | A kind of explosion-proof crane explosion-proof feedback unit and explosion-proof crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206266104U (en) |
-
2016
- 2016-11-30 CN CN201621295950.2U patent/CN206266104U/en active Active
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