CN108551753A - A kind of totally-enclosed Power Quality Comprehensive Treatment Device - Google Patents
A kind of totally-enclosed Power Quality Comprehensive Treatment Device Download PDFInfo
- Publication number
- CN108551753A CN108551753A CN201810626790.2A CN201810626790A CN108551753A CN 108551753 A CN108551753 A CN 108551753A CN 201810626790 A CN201810626790 A CN 201810626790A CN 108551753 A CN108551753 A CN 108551753A
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- Prior art keywords
- heat
- cabinet
- conducting layer
- semiconductor refrigerating
- totally
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Classifications
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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
-
- 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
- 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
- H05K5/0213—Venting apertures; Constructional details thereof
-
- 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
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
-
- 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
- H05K5/03—Covers
-
- 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
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
-
- 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
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20409—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The present invention relates to a kind of totally-enclosed Power Quality Comprehensive Treatment Devices, the device includes cabinet, current transforming unit, control unit, power module and built-in radiating module, temperature sensor is set on current transforming unit, the built-in radiating module is by the first heat-conducting layer for being set gradually in the bottom of current transforming unit, semiconductor refrigerating element, second heat-conducting layer is constituted, the inner surface in cabinet is arranged in second heat-conducting layer, the semiconductor refrigerating element is chill surface close to the position of the first heat-conducting layer, the semiconductor refrigerating element is heating face close to the position of the second heat-conducting layer, the built-in radiating module is sealingly disposed in cabinet, the current transforming unit is fixed in a manner of pressing the built-in radiating module on the inside of cabinet.The device need not be by way of installing radiator fan or cooling blower, but directly integration unit is administered in electric energy and be internally integrated an inner radiation device, under the premise of not increasing device overall volume size, it is not necessary that air holes is arranged in apparatus surface, it ensure that the sealing effect inside and outside device, the stability and reliability of the equipment running process of raising.
Description
Technical field
The present invention relates to power quality harnessed synthetically fields more particularly to a kind of totally-enclosed power quality harnessed synthetically to fill
It sets.
Background technology
One ideal electric system should be with constant frequency and sinusoidal waveform, by defined voltage level（Nominal voltage）It is right
Customer power supply.In three-phase alternating current Force system, the voltage and current of each phase should be at that amplitude is equal in magnitude, phase mutual deviation 120o
Symmetry status.Due to each element of system（Generator, transformer, circuit etc.）Parameter is not ideal linearity or symmetrical,
Load character is different and random variation, in addition not perfect and operation operation, external interference and the various failures etc. of control measures
Reason, it is practical in this perfect condition in and be not present, and thereby produce each in operation of power networks, electrical equipment and electricity consumption
The problem of kind various kinds, also just produce the concept of power quality.
Distribution network electric energy quality problem is mainly reflected in several aspects：1）Three-phase load unbalance；2）Power factor is unqualified；
3）Harmonic content is exceeded.Power Quality Comprehensive Treatment Device is based on electric electronic current change technology, and integrated application high frequency active is inverse
Power electronic technique and the automatic control technologys such as change, PWM rectifications, self-adaptive wavelet base, compensation precision is high, and real-time is good, tool
Standby self-adaptive wavelet base ability collects the multiple functions such as Dynamic reactive power optimization, three-phase imbalance improvement, dynamic active filtering in one
Body.
Sealing effect directly affects electric energy and administers the stability of integration unit operation, reliability, due to device operational process
In need to radiate to electronic device, traditional electric energy administer comprehensive treatment device generally use forced air cooling heat dissipation
Mode is exactly to be radiated by air is flowed and dried using cooling blower mode in Chinese patent ZL201520536488.X.
But using this radiating mode, since in fan rotation process, external demand forms air flowing in device, to need to fill
Setting air holes is set, external dust can enter fan and module cabinet inside therewith, and be attached on the Air Filter of air outlet,
After long-play, since fan and Air Filter are covered with dust all over, the radiating efficiency of fan can be gradually influenced；Dust, corruption simultaneously
It, also can be to sensitive components, such as drawing for power electronic devices after corrosion gas, wet gas or foreign matter enter module cabinet inside
Foot reliability impacts, and reduces the service life of whole device.At this point, electric energy administers the sealing effect drop of integration unit entirety
It is low, influence device operation stability and reliability.Except this, when fan high-speed rotation, larger noise is will produce, to people around
Work and life bring certain influence.
Invention content
For overcome the deficiencies in the prior art, the present invention provides a kind of totally-enclosed Power Quality Comprehensive Treatment Device and its
Application method, which need not be by way of installing radiator fan or cooling blower, but directly administers and integrate in electric energy
Device is internally integrated an inner radiation device, under the premise of not increasing device overall volume size, without in apparatus surface
Air holes is set, ensure that the sealing effect inside and outside device, the stability and reliability of the equipment running process of raising.For in solution
Technical problem is stated, the technical solution adopted in the present invention is：A kind of totally-enclosed Power Quality Comprehensive Treatment Device, including machine are provided
Case, current transforming unit, control unit and power module, it is characterised in that：Further include built-in radiating module, temperature is set on current transforming unit
Sensor is spent, the built-in radiating module is first by the first heat-conducting layer, the semiconductor refrigerating set gradually in the bottom of current transforming unit
Part, the second heat-conducting layer are constituted, and the inner surface in cabinet is arranged in the second heat-conducting layer, and the semiconductor refrigerating element is led close to first
The position of thermosphere is chill surface, and the semiconductor refrigerating element is heating face close to the position of the second heat-conducting layer, described built-in scattered
Thermal modules are sealingly disposed in cabinet, and the current transforming unit is fixed at cabinet in a manner of pressing the built-in radiating module
Inside.
Further, the cabinet is cooling cabinet, including upper cover and lower cover, upper and lower cover be detachably fixed connection, institute
The joint edge for stating upper cover body and lower cover is provided with U-channel, and groove is embedded in sealing rubber strip, and the four of the upper cover and lower cover
While being fastened by bolt, ensures the smooth engagement of contact surface, and press the sealing rubber strip in groove, achieve the effect that dustproof and waterproof.
Further, the cabinet side is arranged waterproof vent valve, the waterproof vent valve can prevent dust, water it is logical
It crosses, stress of the air by the waterproof vent valve for outer chamber in balanced seal babinet.
Further, superelevation filling ceramic powder and 30 μm of ultra-thin glass fibres are filled in the first heat-conducting layer and the second heat-conducting layer
Tie up composite material.
Further, the current transforming unit is made of the identical converter plant of multiple structures, the bottom of the converter plant
Semiconductor refrigerating element be connected in parallel, provide DC power supply by power module.
Further, first heat-conducting layer and the second heat-conducting layer are set as Heat Conduction Material, are provided on the outside of the cabinet
Cooling fin.
Further, the inner surface of the cabinet passes through the flat process of milling, is arranged on the outside of cabinet and grasps handle.
The heat of the application method of totally-enclosed Power Quality Comprehensive Treatment Device, current transforming unit is transmitted by the first heat-conducting layer
To the chill surface of semiconductor refrigerating element；Control unit sends out scattered according to the temperature information of temperature sensor monitors to current transforming unit
After heat instruction, semiconductor refrigerating element is started to work, and the heat of its chill surface is conducted to heating face, the temperature of chill surface is made
It reduces, by the existing temperature difference between current transforming unit and the chill surface of semiconductor refrigerating element, the heat of the current transforming unit can
With quick release to semiconductor refrigerating element.
Further, the cabinet outer surface is provided with cooling fin, and semiconductor refrigerating element heats the heat in face by the
Two heat-conducting layers are conducted to cooling cabinet, are conducted to the cooling fin of the cooling cabinet outer surface by tank wall, then pass through outside
Natural air convection current, heat is taken away.
Compared with prior art, the beneficial effects of the invention are as follows：
It will improve, lead to the problem of leakproofness, poor reliability existing for Power Quality Comprehensive Treatment Device traditional in the prior art
The mode for being internally integrated heat dissipation is crossed, entire cabinet can take hermetically sealed design, improve the stabilization that internal component uses process
Property, while reducing the noise that setting operational process generates；External environment out of office is needed to use comprehensive power quality according to application scenario
When controlling device, dust impurity and water is preferably avoided to enter cabinet inside, improve service life of equipment, reduces manual maintenance
Workload；Compared to traditional radiating mode, the heat dissipation of the comprehensive power quality device of totally-enclosed of the invention is more efficient, effect
Fruit is more preferable, and can reduce the heat dissipation area that conventional apparatus is arranged outside cabinet simultaneously, and the volume and weight of whole device subtracts
Small, the structure of device is compacter, and appearance is compact and flexible.
Description of the drawings
Fig. 1 is the cooling cabinet surface structure stereogram of the totally-enclosed Power Quality Comprehensive Treatment Device of the present invention.
Fig. 2 is the internal structure of the box of the totally-enclosed Power Quality Comprehensive Treatment Device of the present invention.
Fig. 3 is cooling cabinet lower cover longitudinal sectional view and the part of the totally-enclosed Power Quality Comprehensive Treatment Device of the present invention
Enlarged drawing.
1-current transforming unit, 2-fastening screws, 3-cooling fins, the 4-the second heat-conducting layer, the 5-the first heat-conducting layer, 6-power supplys
Module, 7-control units, 8-semiconductor refrigerating elements, 9-bolts, 10-upper covers, 11-lower covers, 12-filter units,
13-temperature sensors, 14-cooling cabinets, 15-U shape grooves, 16- grasping handles, 17- pre-charge resistances, 18- filter resistances,
The chill surface of 19- semiconductor refrigerating elements, the heating face of 20- semiconductor refrigerating elements.
Specific implementation mode
The present invention is specifically described below in conjunction with attached drawing in order to illustrate more clearly of technical scheme of the present invention,
Embodiments of the present invention are not limited thereto.
Embodiment reference attached drawing 1 and attached drawing 2, a kind of totally-enclosed Power Quality Comprehensive Treatment Device, including cooling cabinet 14,
Current transforming unit 1, filter unit 12, temperature sensor 13, control unit 7 and power module 6.With reference to attached drawing 3, in current transforming unit 1
The bottom of upper setting temperature sensor, current transforming unit 1 sets gradually the first heat-conducting layer 5, semiconductor refrigerating element 8, the second heat conduction
Layer 4, the second heat-conducting layer 4 is arranged in cabinet inner surface, and current transforming unit 1 is fixedly mounted on the inner surface of cooling cabinet 14, cabinet
Outer surface is corresponding to be provided with external cooling element.
Preferably, current transforming unit 1 includes three converter plants, and three deflector structures are identical, the first heat-conducting layer 5 and the
Two heat-conducting layers 4 are set as Heat Conduction Material, and three semiconductor refrigerating elements 8 of three converter plant bottoms are connected in parallel, by power supply
Module 6 provides DC power supply.It is provided with ON-OFF control circuit between semiconductor refrigerating element 8 and power module 6.
Preferably, the Heat Conduction Material of the first heat-conducting layer 5 and the second heat-conducting layer 4 is super using superelevation filling ceramic powder and 30 μm
Thin glass fibrous composite.
In another embodiment, cooling cabinet 14 is closed by upper cover 10 and the lid of lower cover 11, and inner surface passes through the flat work of milling
The joint edge of skill processing, upper cover 10 and lower cover 11 is provided with U-channel 15, and groove is embedded in sealing rubber strip.Upper cover 10, lower cover
11 four sides are fastened by eight bolts 9, are ensured the smooth engagement of contact surface, and press the sealing rubber strip in groove, are reached dust-proof
The effect of waterproof.
Current transforming unit 1 is fixedly mounted on the inner surface of the cooling cabinet 14 by the fastening screw 2 of four corners, fixed
Later, the semiconductor refrigerating element 8 is pressed between current transforming unit 1 and the inner surface of cooling cabinet 14.
The filter unit 12 of totally-enclosed Power Quality Comprehensive Treatment Device use dosing technology, by 12 embedding of filter unit in
In rectangle metal box, and it is fixedly mounted with the inner surface of cooling cabinet 14.Filter resistance 18 is close to the cooling cabinet 14
Upper interior surface is installed, and pre-charge resistance 17 is close to the lower interior surface top installation of the cooling cabinet 14.Cooling cabinet 14
Outside be also provided with grasp handle 16.
Preferably, waterproof vent valve is set in the side of cabinet 14, the waterproof vent valve can prevent dust, water it is logical
It crosses, air can pass through the stress for outer chamber in balanced seal babinet.
The application method of totally-enclosed Power Quality Comprehensive Treatment Device is as follows：The heat of current transforming unit 1 passes through the first heat conduction
Layer 5 is transmitted to the chill surface of semiconductor refrigerating element 8；Control unit 7 is sent out according to the temperature information that temperature sensor 13 monitors
Go out after heat dissipation instruction, semiconductor refrigerating element 8 is started to work, and the heat of its chill surface is conducted to heating face, chill surface is made
Temperature reduce, there are the temperature difference, the heats of current transforming unit 1 between current transforming unit 1 and the chill surface of semiconductor refrigerating element 8 at this time
It can be with quick release to semiconductor refrigerating element 8.
Semiconductor refrigerating element 8 heats the heat in face by the second heat-conducting layer 4, conducts to cooling cabinet 14, passes through tank wall
It conducts to the cooling fin 3 of 14 outer surface of the cooling cabinet, then by external natural air convection current, heat is taken away.
Technical concept, principle and the feature of above-described embodiment only to illustrate the invention, its object is to allow be familiar with this skill
The people of art cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to this
The equivalent transformation or modification that the Spirit Essence of invention main technical schemes is done, should all cover protection scope of the present invention it
It is interior.
Claims (9)
1. a kind of totally-enclosed Power Quality Comprehensive Treatment Device, including cabinet, current transforming unit, control unit and power module,
It is characterized in that：Further include built-in radiating module, temperature sensor is set on current transforming unit, and the built-in radiating module is by unsteady flow
The first heat-conducting layer that the bottom of unit is set gradually, semiconductor refrigerating element, the second heat-conducting layer are constituted, and the setting of the second heat-conducting layer exists
The inner surface of cabinet, the semiconductor refrigerating element are chill surface, the semiconductor refrigerating close to the position of the first heat-conducting layer
Element is heating face close to the position of the second heat-conducting layer, and the built-in radiating module is sealingly disposed in cabinet, the unsteady flow list
Member is fixed in a manner of pressing the built-in radiating module on the inside of cabinet.
2. a kind of totally-enclosed Power Quality Comprehensive Treatment Device as described in claim 1, it is characterised in that：The cabinet is scattered
Heat engine case, including upper cover and lower cover, upper and lower cover are detachably fixed connection, and the joint edge of the upper cover body and lower cover is opened
There is a U-channel, groove is embedded in sealing rubber strip, and four sides of the upper cover and lower cover are fastened by bolt, ensure that contact surface is smooth
Engagement, and press the sealing rubber strip in groove, achieve the effect that dustproof and waterproof.
3. a kind of totally-enclosed Power Quality Comprehensive Treatment Device as described in claim 1, it is characterised in that：The cabinet side
Waterproof vent valve is set, and the waterproof vent valve can prevent dust, water from passing through, and air is used for by the waterproof vent valve
The stress of outer chamber in balanced seal babinet.
4. a kind of totally-enclosed Power Quality Comprehensive Treatment Device as described in claim 1, it is characterised in that：First heat-conducting layer and
Filling superelevation filling ceramic powder and 30 μm of ultra-thin glass fibrous composites in second heat-conducting layer.
5. a kind of totally-enclosed Power Quality Comprehensive Treatment Device as described in claim 1, it is characterised in that：The current transforming unit
It is made of the identical converter plant of multiple structures, the semiconductor refrigerating element of the bottom of the converter plant is connected in parallel, by electricity
Source module provides DC power supply.
6. a kind of totally-enclosed Power Quality Comprehensive Treatment Device as described in claim 1, it is characterised in that：First heat conduction
Layer and the second heat-conducting layer are set as Heat Conduction Material, and cooling fin is provided on the outside of the cabinet.
7. a kind of totally-enclosed Power Quality Comprehensive Treatment Device as claimed in claim 2, it is characterised in that：The cabinet it is interior
The flat process of milling is passed through on surface, is arranged on the outside of cabinet and is grasped handle.
8. a kind of application method of totally-enclosed Power Quality Comprehensive Treatment Device as described in claim 1, it is characterised in that：Institute
The heat for stating current transforming unit is transmitted to the chill surface of semiconductor refrigerating element by the first heat-conducting layer；Control unit is passed according to temperature
After sensor monitors that the temperature information of current transforming unit sends out heat dissipation instruction, semiconductor refrigerating element is started to work, and is freezed
The heat in face is conducted to heating face, so that the temperature of chill surface is reduced, is passed through the chill surface of current transforming unit and semiconductor refrigerating element
Between the existing temperature difference, the heat of the current transforming unit can be with quick release to semiconductor refrigerating element.
9. a kind of application method of totally-enclosed Power Quality Comprehensive Treatment Device as claimed in claim 8, it is characterised in that：Institute
It states cabinet outer surface and is provided with cooling fin, the heat that semiconductor refrigerating element heats face passes through the second heat-conducting layer, conduction to heat dissipation
Cabinet is conducted by tank wall to the cooling fin of the cooling cabinet outer surface, then by external natural air convection current, by heat
It takes away.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810626790.2A CN108551753A (en) | 2018-06-19 | 2018-06-19 | A kind of totally-enclosed Power Quality Comprehensive Treatment Device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810626790.2A CN108551753A (en) | 2018-06-19 | 2018-06-19 | A kind of totally-enclosed Power Quality Comprehensive Treatment Device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108551753A true CN108551753A (en) | 2018-09-18 |
Family
ID=63493698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810626790.2A Pending CN108551753A (en) | 2018-06-19 | 2018-06-19 | A kind of totally-enclosed Power Quality Comprehensive Treatment Device |
Country Status (1)
| Country | Link |
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| CN (1) | CN108551753A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109152306A (en) * | 2018-10-16 | 2019-01-04 | 郑州云海信息技术有限公司 | A kind of electronic equipment and its cabinet |
| CN110707569A (en) * | 2019-10-18 | 2020-01-17 | 积成电子股份有限公司 | Heat dissipation method based on direct-contact heat conduction and barrier flow guiding |
| DE102022102871A1 (en) | 2021-02-10 | 2022-08-11 | Michael Pfeiffer | Energy supply device for an electrical device, such as a moisture-proof light, in particular for greenhouses |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109152306A (en) * | 2018-10-16 | 2019-01-04 | 郑州云海信息技术有限公司 | A kind of electronic equipment and its cabinet |
| CN110707569A (en) * | 2019-10-18 | 2020-01-17 | 积成电子股份有限公司 | Heat dissipation method based on direct-contact heat conduction and barrier flow guiding |
| DE102022102871A1 (en) | 2021-02-10 | 2022-08-11 | Michael Pfeiffer | Energy supply device for an electrical device, such as a moisture-proof light, in particular for greenhouses |
| EP4043786A1 (en) | 2021-02-10 | 2022-08-17 | Uwe Remus | Power supply device for an electrical device such as a moisture-proof lamp, in particular for greenhouses |
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