CN105873420A - Independent air duct structure of frequency converter - Google Patents
Independent air duct structure of frequency converter Download PDFInfo
- Publication number
- CN105873420A CN105873420A CN201610362824.2A CN201610362824A CN105873420A CN 105873420 A CN105873420 A CN 105873420A CN 201610362824 A CN201610362824 A CN 201610362824A CN 105873420 A CN105873420 A CN 105873420A
- Authority
- CN
- China
- Prior art keywords
- air duct
- heat
- separate cavities
- converter
- assembly
- 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.)
- Granted
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Classifications
-
- 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
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
- H05K7/20918—Forced ventilation, e.g. on heat dissipaters coupled to components the components being isolated from air flow, e.g. hollow heat sinks, wind tunnels or funnels
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention belongs to the technical field of frequency converters and provides an independent air duct structure of a frequency converter. The independent air duct structure comprises a casing assembly, a control assembly connected in the casing assembly and a forced heat exchange assembly, wherein the control assembly comprises a capacitance plate and a PCB (printed circuit board), a plurality of capacitance parts are connected on the capacitance plate, a first insulation cavity capable of accommodating the PCB and multiple second isolation cavities which can accommodate the capacitance parts and extend downwards along the bottom of the first isolation cavity are formed in the casing assembly, the first isolation cavity and the second isolation cavities are isolated from the forced heat exchange assembly, the forced heat exchange assembly is provided with a heat exchange air duct, and the outer walls of the second isolation cavities are adjacent to the heat exchange air duct or the outer walls of the second isolation cavities are located in the heat exchange air duct. Accordingly, the problem that a circuit board in an existing frequency converter is easily affected with damp or dust is easily accumulated on the circuit board can be solved by means of the design.
Description
Technical field
The invention belongs to converter technology field, particularly relate to the independent ventiduct structure of a kind of converter.
Background technology
Converter is a kind of supply core component that can control electricity consumption or power according to the demand that machine is actual,
Its high energy saving makes converter be widely used in industry-by-industry, and converter is generally connected to the machine of outdoor
In device, and then its residing environment is relatively more severe, thus the circuit board in causing converter is often by cargo sweat
Or laying dust causes the problems such as short circuit, simultaneously in order to ensure the continuous firing of converter, often set in converter
Put heat dissipation wind channel, but the setting of heat dissipation wind channel tend to so that outside moisture or dust are blown on circuit board,
And heat dissipation wind channel and the completely isolated meeting of circuit board make heat dispersion reduce, the overall dimensions meeting of converter simultaneously
Become big.
Summary of the invention
It is an object of the invention to provide the independent ventiduct structure of a kind of converter, it is intended to solve existing frequency conversion
Circuit board in device easily makes moist or the problem of laying dust.
The present invention is so to solve: the independent ventiduct structure of a kind of converter, including housing unit, connection
Control assembly in described housing unit and forced heat-exchanging assembly, described control assembly include capacitor board and
Pcb board, described capacitor board connects and has multiple capacitive element, be provided with and can house described PCB in described housing unit
First separate cavities of plate and multiple that house described capacitive element and downwardly extend bottom described first separate cavities
The second separate cavities, described first separate cavities and described second separate cavities isolate with described forced heat-exchanging assembly,
Described forced heat-exchanging assembly has heat exchanging air duct, and the outer wall of described second containing cavity is adjacent with described heat exchanging air duct
Or the outer wall of described second containing cavity is positioned at described heat exchanging air duct.
The technique effect that the independent ventiduct structure of the converter that the present invention provides has relative to existing technology is:
By arranging the first separate cavities and the second separate cavities in housing unit, and then assembly and heat exchanging air duct will be controlled
Separate, and then when can avoid heat exchange, moisture or dust enter into and cause short circuit, simultaneously on control assembly
Adjacent with heat exchanging air duct or the second containing cavity the outer wall of the outer wall of the second containing cavity being equipped with capacitive element is positioned at
In heat exchanging air duct, and then the heat that by forced heat-exchanging, capacitive element can be spread out of by the second separate cavities outer wall
Take away, thus ensure that and change heat availability, additionally, this second containing cavity is arranged on around heat exchanging air duct
And then the space in housing unit can be made full use of while heat exchange ensureing, it is to avoid setting of heat exchanging air duct
Put so that the volume of converter is excessive.
Accompanying drawing explanation
Fig. 1 is the structure broken away view one of the independent ventiduct structure of the converter that the embodiment of the present invention provides.
Fig. 2 is the structure broken away view two of the independent ventiduct structure of the converter that the embodiment of the present invention provides.
Fig. 3 is the structure chart of the middle cover in the converter that the embodiment of the present invention provides.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein
Only in order to explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, and it can
With directly on another element or be connected on this another element.When an element is known as " even
It is connected to " another element, it can be directly to another element or be indirectly connected to this another yuan
On part.
Also, it should be noted the orientation term such as left and right, upper and lower in the embodiment of the present invention, it is only mutual
For relative concept or with the normal operating condition of product as reference, and should not be regarded as restrictive
's.
Refer to shown in accompanying drawing 1 to Fig. 3, in embodiments of the present invention, it is provided that the independent wind of a kind of converter
Road structure, the control assembly 30 including housing unit 10, being connected in housing unit 10 and forced heat-exchanging group
Part 20, this control assembly 30 includes capacitor board 302 and pcb board 301, simultaneously on this capacitor board 302
Connecting and have multiple capacitive element 3021, this capacitive element 3021 is preferably and controls parts highly maximum on assembly 30,
It is provided with in this housing unit 10 and can house the first separate cavities 1022 of pcb board 301 and multiple house electricity
Holding the second separate cavities 1023 of part 3021, this second separate cavities 1023 is along the bottom of the first separate cavities 1022
Being downwardly extending, this first separate cavities 1022 and the second separate cavities 1023 are isolated with forced heat-exchanging assembly 20,
Namely steam in forced heat-exchanging assembly 20 or dust etc. cannot be introduced into controlling in assembly 30, but this control
Between assembly 30 processed and forced heat-exchanging assembly 20 the most heat insulation, the first separate cavities 1022 and the second isolation on the contrary
The material of the cavity wall in chamber 1023 is preferably the material that heat exchange property is good, and this forced heat-exchanging assembly 20 includes heat exchange
Air channel 201, the outer wall of this second separate cavities 1023 is adjacent with heat exchanging air duct 201 or the second separate cavities 1023
Outer wall be positioned at heat exchanging air duct 201, herein, if the quantity of capacitive element 3021 is more, then the second separate cavities
1023 parts are positioned at heat exchanging air duct 201, and another part is positioned at the both sides of heat exchanging air duct 201, so sets
Meter can ensure that the space in housing unit 10 also makes full use of heat exchanging air duct 201 while making full use of and carries out
Heat exchange so that the use of converter is more lasting and in hgher efficiency.
The independent ventiduct structure of the converter more than designed, by arranging the first separate cavities in housing unit 10
1022 and second separate cavities 1023, and then control assembly 30 is separated with heat exchanging air duct 201, and then permissible
When avoiding heat exchange, moisture or dust enter into and cause short circuit on control assembly 30, are equipped with capacitive element simultaneously
The outer wall of second separate cavities 1023 of 3021 is adjacent with heat exchanging air duct 201 or outside the second separate cavities 1023
Wall is positioned at heat exchanging air duct 201, and then by forced heat-exchanging, capacitive element 3021 can be passed through the second separate cavities
The heat that 1023 outer walls spread out of is taken away, thus ensure that and change heat availability, additionally, this second separate cavities 1023
It is arranged on the surrounding of heat exchanging air duct 201 and then housing unit 10 can be made full use of while ensureing heat exchange
In space, it is to avoid the setting of heat exchanging air duct 201 makes the volume of converter excessive.
Specifically, as shown in Figure 1 to Figure 3, in embodiments of the present invention, this housing unit 10 includes successively
Upper cover 101, middle cover 102 and the bottom 103 connected, namely this upper cover 101 is connected with middle cover 102, in this
Lid 102 is connected with bottom 103, and between upper cover 101 and middle cover 102, and at middle cover 102 and
Being also associated with waterproof sealing gasket between lower cover, this first separate cavities 1022 and the second separate cavities 1023 are equal simultaneously
It is arranged on middle cover 102, namely this control assembly 30 is connected between upper cover 101 and middle cover 102, this reality
Execute this preferably rectangular frame like structure of middle cover 102 in example, this first separate cavities 1022 and second separate cavities 1023
All inner recess at middle cover 102 are formed, namely this first separate cavities 1022 and the second separate cavities 1023
Bottom 103 direction is pointed in depression direction along upper cover 101 direction, in so design can ensure that middle cover 102
Space makes full use of, it is to avoid converter oversize.
Specifically, as shown in Figure 1 to Figure 3, in embodiments of the present invention, this second separate cavities 1023 is along
Downwardly extend bottom one separate cavities 1022 and form, and multiple second separate cavities 1023 is distributed in heat exchanging air duct 201
Both sides, in the present embodiment, the quantity of this second separate cavities 1023 is preferably two, and two second every
It is distributed in the both sides of heat exchanging air duct 201 from chamber 1023, or the cavity wall composition of this second separate cavities 1023 changes
The sidewall of hot-flow flue 201, the material of the cavity wall of the second separate cavities 1023 uses the material of high-cooling property simultaneously,
So design can ensure that the heat in the second separate cavities 1023 can distribute quickly, and then ensures to become
Frequently the running that device is high-efficiency continuous.
Specifically, as shown in Figure 1 to Figure 3, in embodiments of the present invention, this forced heat-exchanging assembly 20 includes
The hot-swappable fans 202 being connected on middle cover 102 and the heat exchanger 203 corresponding with hot-swappable fans 202, should
Heat exchanger 203 is connected to control between assembly 30 and bottom 103, this hot-swappable fans 202 and heat exchanger simultaneously
203 two ends laying respectively at heat exchanging air duct 201, so can be designed so that hot-swappable fans 202 will control group
The heat produced on part 30 and pass on heat exchanger 203 blows out in converter through heat exchanging air duct 201, Jin Erqi
Effect to forced heat-exchanging.
In the present embodiment, as shown in Figure 1 to Figure 3, this heat exchanging air duct 201 is preferably along middle cover 102
Side caves inward formation, and this hot-swappable fans 202 is connected to heat exchanging air duct 201 near middle cover 102
On the port of side, in the present embodiment, this hot-swappable fans 202 is preferably detachably connected on this heat exchanging air duct
On the port of 201, and the cavity wall of this second separate cavities 1023 is positioned at hot-swappable fans 202 and heat exchanger 203
Between, so can be designed so that the wind blowing to hot-swappable fans 202 in heat exchanger 203 entered the second separate cavities
1023 cavity wall time can further the heat of this cavity wall be taken away.
Specifically, as shown in Figure 1 to Figure 3, in embodiments of the present invention, this hot-swappable fans 202 is preferably
Tube-axial fan, and the air-out direction of hot-swappable fans 202 deviates from heat exchanging air duct 201, so can ensure that
Continuous negative pressure in heat exchanging air duct 201, and then do not have in can ensure that heat exchanging air duct 201 and heat exchanger 203
Dust enters and has influence on the efficiency of heat exchange, and meanwhile this heat exchanger 203 also includes positive heat exchanging air channel 201
Multiple heat exchange fins 2032 being parallel to each other, this heat exchange fin 2032 the effect that can increase heat exchange is set
Rate.
Specifically, as shown in Figure 1 to Figure 3, in embodiments of the present invention, this control assembly 30 also includes even
Being connected on the pcb board 301 in the first separate cavities 1022, this pcb board 301 electrically connects with capacitor board 302,
And the bottom of this second separate cavities 1023 is further opened with being available for what heat exchanger 203 was connected with pcb board 301
Opening 1024, this heat exchanger 203 also includes the connecting plate 2031 being arranged on upper end, this connecting plate 2031 simultaneously
And it is also associated with heat radiation between interference fits between opening 1024, and connecting plate 2031 and pcb board 301
Sheet, this fin is preferably the viscosity radiating silica gel sheet linked together by adjacent two parts.
In the present embodiment, as shown in Figure 1 to Figure 3, the spacing middle cover 102 that is connected to of this pcb board 301
In first separate cavities 1022, the bottom periphery of this first separate cavities 1022 is provided with boss 1025, this PCB
To link slot 3011 should be provided with by boss 1025 on plate 301 and capacitor board 302, by this link slot 3011
Corresponding with boss 1025, and then pcb board 301 and capacitive element 3021 can be located by connecting on easily
In first separate cavities 1022 and the second separate cavities 1023
Specifically, as shown in Figure 1 to Figure 3, in embodiments of the present invention, right on the side of this upper cover 101
Pcb board 301 is answered to be further opened with the first heat dissipating grid 1011, simultaneously corresponding on the side of this middle cover 102
Capacitive element 3021 offers the second heat dissipating grid 1021, and the second heat dissipating grid 1021 is positioned at the second separate cavities
On the sidewall of 1023, and then the electronic component on this pcb board 301 can be by this first heat dissipating grid 1011
Carrying out natural heat dissipation, the heat exchanger 203 by connecting below pcb board 301 carries out mechanical forced heat exchange simultaneously；
This capacitive element 3021 can carry out natural heat dissipation by the second heat dissipating grid 1021, it is also possible to by second every
Cavity wall from chamber 1023 carries out auxiliary heat dissipation, and in so can ensure that whole converter, heat radiation is more efficient, enters
And can ensure that the continuous firing of converter.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention
Protection domain within.
Claims (10)
1. the independent ventiduct structure of a converter, it is characterised in that: include housing unit, be connected to described
Control assembly in housing unit and forced heat-exchanging assembly, described control assembly includes capacitor board and pcb board,
Connect on described capacitor board and have multiple capacitive element, be provided with in described housing unit and can house the of described pcb board
One separate cavities and multiple house described capacitive element and along second downwardly extended bottom described first separate cavities
Separate cavities, described first separate cavities and described second separate cavities and described forced heat-exchanging assembly are isolated, described by force
Heat-exchanging component processed has heat exchanging air duct, and the outer wall of described second containing cavity is adjacent with described heat exchanging air duct or described
The outer wall of the second containing cavity is positioned at described heat exchanging air duct.
2. the independent ventiduct structure of converter as claimed in claim 1, it is characterised in that: described housing group
Part includes upper cover, middle cover and the bottom being sequentially connected with, and between described upper cover and described middle cover and described middle cover
And it is also respectively connected with waterproof sealing gasket, described first separate cavities and described second separate cavities between described lower cover
It is arranged on inside described middle cover.
3. the independent ventiduct structure of converter as claimed in claim 2, it is characterised in that: described second every
Form along extending vertically downward bottom described first separate cavities from chamber, and multiple described second separate cavities is distributed in
The both sides of described heat exchanging air duct.
4. the independent ventiduct structure of converter as claimed in claim 3, it is characterised in that: described pressure is changed
Hot assembly include being connected to described in the hot-swappable fans that covers and the heat exchanger corresponding with described hot-swappable fans,
Described hot-swappable fans and described heat exchanger lay respectively at the two ends of described heat exchanging air duct.
5. the independent ventiduct structure of converter as claimed in claim 4, it is characterised in that: described heat exchange wind
Road caves inward along the side of described middle cover formation, and described hot-swappable fans to be connected to described heat exchanging air duct close
On the port of the side of described middle cover.
6. the independent ventiduct structure of converter as claimed in claim 4, it is characterised in that: described heat exchange wind
Fan is tube-axial fan, and the air-out direction of described hot-swappable fans deviates from described heat exchanging air duct, described heat exchanger
Including just multiple heat exchange fins being parallel to each other to described heat exchanging air duct.
7. the independent ventiduct structure of the converter as described in any one of claim 2-6, it is characterised in that: institute
State pcb board to electrically connect with described capacitor board, and be further opened with bottom described second separate cavities for described heat exchanger
The opening being connected with described pcb board.
8. the independent ventiduct structure of converter as claimed in claim 7, it is characterised in that: described heat exchanger
Also include the connecting plate being arranged on upper end, interference fits between described connecting plate and described opening, described connection
It is also associated with fin between plate and described pcb board.
9. the independent ventiduct structure of converter as claimed in claim 8, it is characterised in that: described upper cover
On side, corresponding described pcb board is further opened with the first heat dissipating grid.
10. the independent ventiduct structure of converter as claimed in claim 9, it is characterised in that: described middle cover
Side on corresponding described capacitive element offer the second heat dissipating grid, described second heat dissipating grid is positioned at described
On the sidewall of two separate cavities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610362824.2A CN105873420B (en) | 2016-05-27 | 2016-05-27 | A kind of independent ventiduct structure of frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610362824.2A CN105873420B (en) | 2016-05-27 | 2016-05-27 | A kind of independent ventiduct structure of frequency converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105873420A true CN105873420A (en) | 2016-08-17 |
| CN105873420B CN105873420B (en) | 2018-09-28 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610362824.2A Active CN105873420B (en) | 2016-05-27 | 2016-05-27 | A kind of independent ventiduct structure of frequency converter |
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| CN (1) | CN105873420B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602884A (en) * | 2016-12-13 | 2017-04-26 | 华远电气股份有限公司 | Variable-frequency drive with independent air duct structure and assembling process thereof |
| CN109600018A (en) * | 2017-09-28 | 2019-04-09 | 西门子公司 | A kind of current transformer |
| US20190239382A1 (en) * | 2018-01-29 | 2019-08-01 | Lsis Co., Ltd. | Device for driving motor |
| CN110336515A (en) * | 2018-03-30 | 2019-10-15 | 瀚德万安(上海)电控制动系统有限公司 | Motor control module, actuator and electro-mechanical brake apparatus |
| WO2024124891A1 (en) * | 2022-12-16 | 2024-06-20 | 苏州汇川控制技术有限公司 | Frequency converter movement and frequency converter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109600018A (en) * | 2017-09-28 | 2019-04-09 | 西门子公司 | A kind of current transformer |
| CN109600018B (en) * | 2017-09-28 | 2021-01-01 | 西门子公司 | Current transformer |
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| CN110336515B (en) * | 2018-03-30 | 2021-12-28 | 瀚德万安(上海)电控制动系统有限公司 | Motor control module, actuator and electromechanical brake device |
| WO2024124891A1 (en) * | 2022-12-16 | 2024-06-20 | 苏州汇川控制技术有限公司 | Frequency converter movement and frequency converter |
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| Publication number | Publication date |
|---|---|
| CN105873420B (en) | 2018-09-28 |
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