CN109842276A - Frequency converter and air conditioner - Google Patents
Frequency converter and air conditioner Download PDFInfo
- Publication number
- CN109842276A CN109842276A CN201910105898.1A CN201910105898A CN109842276A CN 109842276 A CN109842276 A CN 109842276A CN 201910105898 A CN201910105898 A CN 201910105898A CN 109842276 A CN109842276 A CN 109842276A
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- Prior art keywords
- module chamber
- air
- frequency converter
- chamber
- cool
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- 238000001816 cooling Methods 0.000 claims abstract description 38
- 230000017525 heat dissipation Effects 0.000 claims abstract description 10
- 238000007791 dehumidification Methods 0.000 claims description 49
- 238000009423 ventilation Methods 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of frequency converter and air conditioners, the frequency converter (100) includes cabinet body, air cooling equipment and muti-piece air-duct clapboard (16), cabinet chamber is separated into the multiple module chambers for being used to install disparate modules respectively by air-duct clapboard described in muti-piece (16), the air-duct clapboard (16) of each module chamber is equipped with respective module chamber air inlet and module chamber air outlet, the cabinet is intracavitary to be formed with the circulating current channel for flowing through each the module chamber air inlet and the module chamber air outlet, the air cooling equipment is arranged in the circulating current channel.Circulating current channel is arranged by using air-duct clapboard in frequency converter of the invention in cabinet chamber, realizes the circulation cooling in cabinet chamber, is conducive to improve the heat dissipation effect of frequency converter, reduce its operating noise and save it to produce installation cost.
Description
Technical field
The present invention relates to air-conditioning technical fields, and in particular, to a kind of frequency converter and air conditioner.
Background technique
Existing frequency converter generallys use air-cooled or water-cooling structure and radiates, and reduces internal element with this and crosses cause thermal damage
Risk, to improve stability and reliability.
But since the cooling workload demand of frequency converter is big, when being radiated using air-cooled technology, need volume larger
Blower enough air outputs could be provided, the overall volume so as to cause fan noise and frequency converter is bigger than normal.In addition, in blower
When air draft, to avoid the environment temperature of unit from increasing, need additionally to be arranged in computer room air-conditioning system, thus increase heat dissipation at
This.
On the other hand, when being radiated using Water Cooling Technology, it usually needs external water system makes when reaching certain
After duration, scale will form in water supply pipe, so as to cause heat transfer effect variation.Further, since the conductivity of water is higher,
Once water supply pipe leaks, it will lead to the short circuit of frequency converter, so as to cause the damage of internal element, reliability is inclined
It is low.
Summary of the invention
In view of the above drawbacks of the prior art or insufficient, the present invention provides a kind of frequency converter and air conditioners, can adopt
Under the premise of being radiated with air cooling equipment, the heat dissipation effect of frequency converter is promoted, reduce its operating noise and saves its production installation
Cost.
To achieve the above object, the present invention provides a kind of frequency converter, the frequency converter includes cabinet body, air cooling equipment and more
Cabinet chamber is separated into the multiple module chambers for being used to install disparate modules respectively by block air-duct clapboard, air-duct clapboard described in muti-piece, respectively
The air-duct clapboard of a module chamber is equipped with respective module chamber air inlet and module chamber air outlet, the cabinet
It is intracavitary to be formed with the circulating current channel for flowing through each the module chamber air inlet and the module chamber air outlet, the wind
Device for cooling is arranged in the circulating current channel.
Optionally, the air cooling equipment includes blower and the cool-down dehumidification radiator for cool-down dehumidification.
Optionally, the module chamber includes cool-down dehumidification module chamber, and the bottom of the cool-down dehumidification module chamber is set
There is the air cooling equipment.
Optionally, the cabinet body in a rectangular parallelepiped shape, the cabinet body top panel of the air-duct clapboard and the cabinet body, cabinet floor
Plate, cabinet body front panel, cabinet body rear panel and one of cabinet body side panel limit the cool-down dehumidification module chamber jointly.
Optionally, the cool-down dehumidification radiator is mounted between the blower and the cabinet body side panel or described
Assembling is between the cool-down dehumidification radiator and the cabinet body side panel or the cool-down dehumidification radiator and described
Blower is installed on the air-duct clapboard of the cool-down dehumidification module chamber.
Optionally, on the module chamber air outlet and the module chamber air inlet of the cool-down dehumidification module chamber
On the lower air-duct clapboard that the cool-down dehumidification module chamber is arranged in, the assembling is in the cool-down dehumidification cavity block
On the module chamber air inlet of room.
Optionally, the module chamber includes the first functional module chamber, the second functional module chamber, third functional module
Chamber and the 4th functional module chamber, the first functional module chamber, the second functional module chamber and the third function
Energy module chamber is set gradually up and down and the left and right sides is adjacent to the cool-down dehumidification module chamber and the 4th function respectively
Module chamber；
Wherein, the first functional module chamber, the second functional module chamber and the third functional module chamber
Respectively by the respective module chamber air inlet and the module chamber air outlet and the cool-down dehumidification module chamber and
The 4th functional module chamber airflow connection.
Optionally, the frequency converter include the master control borad being arranged in the first functional module chamber and IGBT module,
The capacitance module that is arranged in the second functional module chamber, the diode being arranged in the third functional module chamber and
Contactor and the breaker being arranged in the 4th functional module chamber, the third functional module chamber and the described 4th
Reactor is equipped between functional module chamber.
Optionally, the frequency converter includes IGBT radiator for radiating to the IGBT module and for described two
The diode radiating device of pole pipe heat dissipation.
Optionally, the module chamber air inlet and the module chamber air outlet are the adjustable ventilation of pore size
Hole.
In addition, the present invention also provides a kind of air conditioners using above-mentioned frequency converter.
Frequency converter of the invention in housing cavity by being arranged circulating current channel and in the circulating air using partition
Air cooling equipment is set in circulation road, the exhaust air rate requirement to air cooling equipment can be substantially reduced, and can be realized circulation cooling, therefore
Heat dissipation effect stability and high efficiency.Further, since to the reduction that exhaust air rate requires, the operating noise of the air cooling equipment is reduced and fills
The size set is reduced, to improve the reliability of frequency converter, and is saved it and is produced installation cost.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the frequency converter in a specific embodiment of the invention.
Description of symbols:
100 frequency converters
1 cool-down dehumidification module chamber, 2 first functional module chamber
3 second functional module chamber, 4 third functional module chamber
5 the 4th functional module chamber, 6 ventilation hole
7 blower, 8 cool-down dehumidification radiator
9 master control borad, 10 IGBT module
11 capacitance module, 12 diode
13 contactor, 14 breaker
15 reactor, 16 air-duct clapboard
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is usually needle
For direction shown in the drawings either for it is vertical, on vertical or gravity direction for each component mutual alignment relation
Word is described.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Referring to Fig.1, the present invention provides a kind of frequency converters 100.The frequency converter 100 includes cabinet body, air cooling equipment and muti-piece
Air-duct clapboard 16.Wherein, cabinet chamber is separated into multiple module chambers by muti-piece air-duct clapboard 16, and multiple module chambers are respectively used to pacify
Different modules, such as various circuit function modules etc. are filled, and the air-duct clapboard 16 of modules chamber is equipped with respective
Module chamber air inlet and module chamber air outlet (i.e. ventilation hole 6).By the way that the structure is arranged, being formed in cabinet chamber can be flowed through
The circulating current channel of modules chamber air inlet and module chamber air outlet, the arrow direction in diagram are indicated in a kind of reality
Apply the air current flow direction in the circulating current channel in mode.In addition, being equipped with air cooling equipment in the circulating current channel.
In the course of work of frequency converter 100, the functional module in some module chambers can generate heat, at this time air-cooled dress
Set it is in running order, from the air outlet of air cooling equipment be discharged cold wind can pass through modules chamber air inlet and module chamber
Air outlet flows in different module chambers, and is finally back to the exhausting end of air cooling equipment, to form above-mentioned be used for
The circulating current channel of cooling.
As it can be seen that air cooling equipment is lasting and steady to the cooling of each functional module due to the presence in circulating current channel
Fixed, in addition (heat-blocking action) relatively independent between modules chamber, can guarantee have suitable work in each chamber always
Make environment temperature, prevent from generating condensation due to local overcooling, to avoid frequency converter short-circuit, greatly improves the work of frequency converter
Reliability.
In addition, compared with existing frequency converter, under the premise of reaching same heat dissipation effect, frequency converter of the invention
The exhaust air rate of air cooling equipment in 100 is smaller, this means that the operating noise of air cooling equipment of the invention is smaller, and can design
At smaller volume, to save the production installation cost of frequency converter.
To sum up, to have that good heat dissipation effect, operating noise are small and production installation cost is low etc. excellent for frequency converter of the invention
Point.
In some embodiments, module chamber includes the cool-down dehumidification module chamber 1 for installing above-mentioned air cooling equipment,
Certainly, air cooling equipment is also mountable in other module chambers, without the cool-down dehumidification module chamber 1 being separately provided.By
Lasting vibration can be generated during the work time in air cooling equipment, it is unfavorable to 100 bring of frequency converter to minimize the vibration
It influences, air cooling equipment can be arranged in the bottom position of cool-down dehumidification module chamber 1, to improve the monolithic stability of frequency converter
Property.
It, can be based on being separated out module chamber as much as possible with air-duct clapboard 16 as few as possible to save production cost
Principle determines required 16 quantity of air-duct clapboard.Furthermore want the relative position and connection between each module chamber of reasonable Arrangement
Structure accelerates the heat transfer rate in channel, to further increase scattered to minimize the gas-flow resistance in circulating current channel
The thermal efficiency.
Therefore, in the above-described embodiment, the cabinet body of frequency converter 100 can be set to rectangular-shape, and using air duct every
Plate 16, cabinet body top panel, cabinet floor plate, cabinet body front panel, cabinet body rear panel and one of cabinet body side panel limit jointly
Make cool-down dehumidification module chamber 1.It should be noted that cabinet body front panel can be the pivot door body of cabinet body.Alternatively, before cabinet body
Panel can be the partition for being arranged in and pivoting between door body and cool-down dehumidification module chamber 1.By utilizing the different panels of cabinet body,
The quantity of air-duct clapboard 16 can be effectively saved, and the avris position in cabinet body inner cavity is arranged in cool-down dehumidification module chamber 1,
Can convenient for other module chambers reasonable Arrangement be connected to.
In addition, air cooling equipment includes blower 7 and cool-down dehumidification radiator 8, which may be provided at blower
7 air outlet or exhausting end can be followed under the driving of blower 7 by the cryogenic gas after cooling of cool-down dehumidification radiator 8
Ring airflow channel quickly flows.And in the above-described embodiment, cool-down dehumidification radiator 8 is mountable in blower 7 and cabinet body side
Perhaps blower 7 is mountable between cool-down dehumidification radiator 8 and cabinet body side panel or 8 He of cool-down dehumidification radiator between plate
Blower 7 is mountable on the air-duct clapboard 16 of cool-down dehumidification module chamber 1.
Further, the module chamber air outlet of cool-down dehumidification module chamber 1 and module chamber air inlet it is setting up and down
On the air-duct clapboard 16 of cool-down dehumidification module chamber 1, blower 7 is mounted on the module chamber air inlet of cool-down dehumidification module chamber 1
On.Under such configuration, it can effectively avoid blower 7 to be blown to the condensed water on cool-down dehumidification radiator 8 in neighbouring module chamber,
Prevent other function module from short circuit occur, to improve the stability and reliability of frequency converter 100.Alternatively, being possible in blower 7
In the case that condensed water on cool-down dehumidification radiator 8 to be blown to neighbouring module chamber, corresponding water proof knot can be additionally set
Structure.
Below by the arragement construction of each module chamber of the frequency converter 100 in illustrating as to exemplary theory of the invention
It is bright, in fact, the modules chamber in frequency converter 100 of the invention may be configured as other different arragement constructions, but necessary
Guarantee to form the circulating current channel for being used for cooling in cabinet body inner cavity.
Referring to Fig.1, module chamber further includes the first functional module chamber 2, the second functional module chamber 3, third function mould
Block chamber 4 and the 4th functional module chamber 5.Specifically, the first functional module chamber 2, the second functional module chamber 3 and
Three functional module chambers 4 are from top to bottom set gradually and the left and right sides is adjacent to cool-down dehumidification module chamber 1 and the 4th function respectively
It can module chamber 5.
Wherein, the first functional module chamber 2, the second functional module chamber 3 and third functional module chamber 4 pass through respective
Ventilation hole 6 be connected to respectively with cool-down dehumidification module chamber 1 and the 4th functional module chamber 5.
Under the working condition of frequency converter 100, the cold wind being discharged from the outlet side of air cooling equipment is from cool-down dehumidification cavity block
After room 1 is blown out, it is divided into two-way to flow to the first functional module chamber 2 and the second functional module chamber 3 respectively.And then, from
First functional module chamber 2 and the cold wind of the second functional module chamber 3 blowout converge to the 4th functional module chamber 5.Then, from
The cold wind of 4th functional module chamber 5 blowout by being back to the exhausting end of air cooling equipment after third functional module chamber 4, thus
Complete primary heat dissipation cyclic process.
Specifically, frequency converter 100 includes the master control borad 9 being arranged in the first functional module chamber 2 and IGBT module 10, sets
It sets in capacitance module 11, the diode 12 that is arranged in third functional module chamber 4 and the contact in the second functional module chamber 3
Device 13 and the breaker 14 being arranged in the 4th functional module chamber 5, in addition, in third functional module chamber 4 and the 4th function
Reactor 15 can be additionally provided between module chamber 5.
It should be noted that IGBT module 10, capacitance module 11 and diode 12 are calorific value in frequency converter 100
Relatively large functional module needs to avoid the environment temperature in individual module chamber excessively high by three functional modules two
Two are spaced apart.Therefore, IGBT module 10 is arranged in the first functional module chamber the frequency converter 100 in embodiment illustrated
It is arranged in the second functional module chamber 3 in 2, by capacitance module 11 and diode 12 is arranged in third functional module chamber
In 4.
Further, preferably that capacitance module 11 is single since the volume of capacitance module 11 and breaker 14 is relatively large
Solely it is arranged in the second functional module chamber 3, and breaker 14 is provided separately in the 4th functional module chamber 5 with convenient
External power supply.
And the lesser functional module of volume and calorific value can combination settings be in the same chamber according to the actual situation.Such as
In said structure, can be by master control borad 9 and 10 combination settings of IGBT module in the first functional module chamber 2, and it can be by two
Pole pipe 12 and 13 combination settings of contactor are in third functional module chamber 4.
And for reactor 15, since its volume is relatively large, bottom position (third function mould can be disposed at
Between block chamber 4 and the 4th functional module chamber 5) to increase mounting stability, to make each functional module in frequency converter 100
With relatively reasonable arragement construction.
IGBT module 10 biggish for calorific value and diode 12, it is scattered to further increase can be also respectively set radiator
Thermal velocity.For example, the settable IGBT radiator for radiating to IGBT module 10 and two poles for radiating to diode 12
Tube radiator.
Further, it is also possible to distribute different air quantity according to the calorific value in disparate modules chamber, module chamber air inlet at this time
It is adjustable with the pore size of module chamber air outlet (i.e. ventilation hole 6), each function in high temperature and humidity can be effectively prevent
Energy module generates condensed water, to improve the reliability of frequency converter 100.
The present invention also provides a kind of air conditioner using above-mentioned frequency converter 100, which has good heat dissipation effect, work
Make the advantages such as noise is small and production installation cost is low.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (11)
1. a kind of frequency converter, which is characterized in that the frequency converter (100) includes cabinet body, air cooling equipment and muti-piece air-duct clapboard
(16), cabinet chamber is separated into the multiple module chambers for being used to install disparate modules respectively by air-duct clapboard described in muti-piece (16), each
The air-duct clapboard (16) of the module chamber is equipped with respective module chamber air inlet and module chamber air outlet, described
Cabinet is intracavitary to be formed with the circulating current channel for flowing through each the module chamber air inlet and the module chamber air outlet, described
Air cooling equipment is arranged in the circulating current channel.
2. frequency converter according to claim 1, which is characterized in that the air cooling equipment includes blower (7) and for cooling down
The cool-down dehumidification radiator (8) of dehumidifying.
3. frequency converter according to claim 2, which is characterized in that the module chamber includes cool-down dehumidification module chamber
(1), the bottom of the cool-down dehumidification module chamber (1) is equipped with the air cooling equipment.
4. frequency converter according to claim 3, which is characterized in that the cabinet body in a rectangular parallelepiped shape, the air-duct clapboard
(16) with the cabinet body top panel of the cabinet body, cabinet floor plate, cabinet body front panel, cabinet body rear panel and one of cabinet body side
Panel limits the cool-down dehumidification module chamber (1) jointly.
5. frequency converter according to claim 4, which is characterized in that the cool-down dehumidification radiator (8) is mounted on the wind
Between machine (7) and the cabinet body side panel or the blower (7) is mounted on the cool-down dehumidification radiator (8) and the cabinet
Between the panel of side or the cool-down dehumidification radiator (8) and the blower (7) are installed in the cool-down dehumidification cavity block
On the air-duct clapboard (16) of room (1).
6. frequency converter according to claim 4, which is characterized in that the module of the cool-down dehumidification module chamber (1)
Chamber air outlet and the module chamber air inlet air-duct clapboard setting up and down in the cool-down dehumidification module chamber (1)
(16) on, the blower (7) is mounted on the module chamber air inlet of the cool-down dehumidification module chamber (1).
7. frequency converter according to claim 6, which is characterized in that the module chamber includes the first functional module chamber
(2), the second functional module chamber (3), third functional module chamber (4) and the 4th functional module chamber (5), first function
Module chamber (2), the second functional module chamber (3) and the third functional module chamber (4) set gradually up and down and a left side
Right two sides are adjacent to the cool-down dehumidification module chamber (1) and the 4th functional module chamber (5) respectively；
Wherein, the first functional module chamber (2), the second functional module chamber (3) and the third functional module chamber
Room (4) passes through the respective module chamber air inlet and the module chamber air outlet and the cool-down dehumidification cavity block respectively
Room (1) and the 4th functional module chamber (5) airflow connection.
8. frequency converter according to claim 7, which is characterized in that the frequency converter (100) includes being arranged described first
Master control borad (9) and IGBT module (10), setting in functional module chamber (2) is in the second functional module chamber (3)
Capacitance module (11), the diode (12) being arranged in the third functional module chamber (4) and contactor (13) and setting
Breaker (14) in the 4th functional module chamber (5), the third functional module chamber (4) and the 4th function
Reactor (15) are equipped between module chamber (5).
9. frequency converter according to claim 8, which is characterized in that the frequency converter (100) includes for the IGBT
The IGBT radiator of module (10) heat dissipation and the diode radiating device for being used to radiate to the diode (12).
10. frequency converter described according to claim 1~any one of 9, which is characterized in that the module chamber air inlet and
The module chamber air outlet is the adjustable ventilation hole of pore size (6).
11. a kind of air conditioner, which is characterized in that the air conditioner include according to claim 1~any one of 10 described in
Frequency converter (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910105898.1A CN109842276A (en) | 2019-02-01 | 2019-02-01 | Frequency converter and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910105898.1A CN109842276A (en) | 2019-02-01 | 2019-02-01 | Frequency converter and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109842276A true CN109842276A (en) | 2019-06-04 |
Family
ID=66884519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910105898.1A Pending CN109842276A (en) | 2019-02-01 | 2019-02-01 | Frequency converter and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109842276A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112087120A (en) * | 2019-06-14 | 2020-12-15 | 株洲中车时代电气股份有限公司 | Auxiliary converter |
| CN112351637A (en) * | 2019-08-09 | 2021-02-09 | 株洲中车时代电气股份有限公司 | Converter with heat dissipation noise elimination wind channel |
| CN113719907A (en) * | 2021-09-29 | 2021-11-30 | 珠海格力电器股份有限公司 | Dehumidification device and air conditioner with same |
| CN113784585A (en) * | 2021-08-25 | 2021-12-10 | 西安航天精密机电研究所 | High-integration, multifunctional and miniaturized satellite-rocket inertial measurement unit heat dissipation system |
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| CN101299571A (en) * | 2008-03-14 | 2008-11-05 | 北京合康亿盛科技有限公司 | Circulation cold air apparatus for high voltage frequency conversion equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112087120A (en) * | 2019-06-14 | 2020-12-15 | 株洲中车时代电气股份有限公司 | Auxiliary converter |
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| CN113784585A (en) * | 2021-08-25 | 2021-12-10 | 西安航天精密机电研究所 | High-integration, multifunctional and miniaturized satellite-rocket inertial measurement unit heat dissipation system |
| CN113719907A (en) * | 2021-09-29 | 2021-11-30 | 珠海格力电器股份有限公司 | Dehumidification device and air conditioner with same |
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Effective date of registration: 20210219 Address after: 200080 Room C, 14th floor, 309 Tanggu Road, Hongkou District, Shanghai Applicant after: Shanghai Meikong Intelligent Building Co.,Ltd. Applicant after: GD MIDEA HEATING & VENTILATING EQUIPMENT Co.,Ltd. Address before: 528311 Penglai Road Industrial Avenue, Beijiao Town, Shunde District, Foshan City, Guangdong Province Applicant before: GD MIDEA HEATING & VENTILATING EQUIPMENT Co.,Ltd. Applicant before: MIDEA GROUP Co.,Ltd. |