CN207475391U - A kind of switch board - Google Patents
A kind of switch board Download PDFInfo
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- CN207475391U CN207475391U CN201721331795.XU CN201721331795U CN207475391U CN 207475391 U CN207475391 U CN 207475391U CN 201721331795 U CN201721331795 U CN 201721331795U CN 207475391 U CN207475391 U CN 207475391U
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- frequency converter
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Abstract
The utility model is related to electrifications to control, and discloses a kind of switch board.Switch board in the utility model, including：Cabinet and frequency converter unit；Cabinet includes cabinet ontology and cabinet door, and the forepart of the cabinet ontology is detachably connected with the cabinet door, and the top position of the back surfaces of the cabinet ontology is provided with the first air outlet, and first air outlet installation is used for the first protective device of waterproof and dustproof；Frequency converter unit is placed on the inside of the cabinet ontology, frequency converter unit includes the first fan and housing, the top position setting fan mouth of first surface in housing, fan mouth position is for installing first fan, and first surface is bonded with the back surfaces of cabinet ontology and first fan is embedded in the first air outlet.The utility model embodiment so that switch board not only has high-grade protection, but also can realize stable heat dissipation performance, so as to improve the service life of switch board.
Description
Technical field
The utility model is related to electrifications to control, more particularly to a kind of switch board.
Background technology
With the development of economy and society, frequency converter is widely used in all trades and professions as a kind of energy-saving equipment, and not
Of the same trade and requirement of the different application field to frequency converter use environment is also inconsistent.As mine industry requirement frequency converter can be in ash
Dirt assemble and the stronger environment of corrosivity in use, air conditioner industry requirement frequency converter can make in the rainy environment of more dirt outdoors
With.Severe and changeable use environment requires frequency converter, and both with dust reduction capability again with water-proof function, this requires frequency conversions
The degree of protection system of device or switch board can reach more than IP44 degree of protection.Degree of protection (INGRESS PROTECTION,
Referred to as " IP ") it is made of (such as two numbers：IP ××s classification standard), the 1st digital representation solid protective grade prevents
The foreign objects such as dust intrusion grade, the 2nd digital representation liquid-state protective grade, be blocks moisture, waterproof intrusion tightness, number
Word is bigger to represent that its degree of protection is higher；For example, IP44 degree of protection represents：First 4 expression prevents diameter more than 1mm's
Line or tablet or diameter are more than the solid of 1mm；Second 4 expression, splashproof or any direction splashing should be without adverse effects.
Frequency converter or switch board are while the degree of protection for reaching IP44, it is also necessary to the heat dissipation of frequency converter or switch board
Performance is stable, reliable.Inventor has found that at least there are the following problems in the prior art：At present the frequency-conversion control cabinet used into
Air outlet employs interior outer double-layer structure, wherein, intermediate bilayer is interlayer cavity, and this structure one side windage is big, is unfavorable for
On the other hand heat dissipation can not reach the high-protection level of IP44.Some frequency converters use layered shaping, and radiator layer is not done
Protection, and use the radiator fan of IP44 degree of protection；Electronic component layer is designed using airtight cavity, but in airtight cavity
Component Wen Sheng higher, it is unfavorable to the service life.Some switch boards employ the processing of high-protection level, still, frequency converter work
When the hot wind of frequency converter unit is exhausted directly in switch board, influence the service life of other components cabinet Nei.
Utility model content
The purpose of this utility model is to provide a kind of switch boards so that switch board not only has high-grade protection, but also energy
Stable heat dissipation performance is realized, so as to improve the service life of switch board.
In order to solve the above technical problems, the embodiment of the utility model provides a kind of switch board, including：Cabinet and change
Frequency device unit；Cabinet includes cabinet ontology and cabinet door, and the forepart of the cabinet ontology is detachably connected with the cabinet door, the cabinet ontology
The top positions of back surfaces be provided with the first air outlet, first air outlet installation for waterproof and dustproof the first protection
Device, wherein, the back of the cabinet ontology is parallel with the forepart of the cabinet ontology opposite, the back surfaces of the cabinet ontology it is upper
Orientation is set to the back surfaces of the cabinet ontology close to the position of the cabinet bodies top；Frequency converter unit is placed on the cabinet sheet
The inside of body, frequency converter unit include the first fan and housing, and the top position of the first surface in housing sets fan mouth,
Fan mouth position is for installing first fan, and first surface is bonded with the back surfaces of cabinet ontology and first fan
The first air outlet is embedded in, wherein, the top position of first surface is top position of the first surface close to the housing.
The utility model embodiment in terms of existing technologies, passes through the back surfaces of the cabinet ontology in switch board
First air outlet is set, ensures that the heat in the switch board is discharged by the first air outlet, in addition, the first air outlet
Installation is used for the first protective device of waterproof and dustproof, and the first protective device ensures the switch board while proper heat reduction also
It is waterproof and dust-proof, so as to protect the equipment in switch board that can also be worked normally in the case of extraneous bad environments, realize
The heat dissipation performance stablized.In addition, due to the formant that heat generates in frequency converter unit in order to control cabinet, inside frequency converter
The first fan is provided with, the first fan is mounted on the fan mouth position of the top position of the first surface in housing, and the first table
Face is bonded with the back surfaces of the cabinet ontology and the first fan is embedded in the first air outlet so that the first fan is by cabinet ontology
Interior heat discharges switch board by the first air outlet, ensures that the heat generated in cabinet is not interfered in switch board
Other devices realize the efficient heat sinking function of switch board, so as to improve the service life of switch board.
In addition, frequency converter unit further includes：Demarcation strip, rectification heat-sink unit, inversion heat-sink unit and electrolytic capacitor unit；
Demarcation strip, rectification heat-sink unit, inversion heat-sink unit and electrolytic capacitor unit are arranged in the housing of frequency converter unit；Separate
Plate is divided into frequency converter unit front end area and frequency converter unit rear end region for place space in the housing by frequency converter unit
Domain, frequency converter unit front end area place electrolytic capacitor unit, and frequency converter unit back-end region places rectification heat-sink unit, inversion
Heat-sink unit, and rectification heat-sink unit and inversion heat-sink unit are fixed on demarcation strip.In frequency converter unit, rectification heat dissipation is single
Member and inversion heat-sink unit are the main heat sink unit in frequency converter unit, by demarcation strip, by electrolytic capacitor unit with it is whole
Wandering hot cell and inversion heat-sink unit separate so that the heat that rectification heat-sink unit and inversion heat-sink unit generate will not
Electrolytic capacitor unit is had an impact, it is ensured that electrolytic capacitor unit normally radiates, and further enhances dissipating for switch board
Hot function.
In addition, the housing bottom of frequency converter unit sets the first ventilation opening and the second ventilation opening；First ventilation opening, which is located at, to be become
Frequency device unit front end area, the second ventilation opening are located at frequency converter unit back-end region.By the way that the first ventilation opening and second is set to lead to
Air port so that demarcation strip is coordinated to realize rational allocation of the amount of air by the first ventilation opening and the second ventilation opening, improve switch board
Radiating efficiency.
In addition, frequency converter unit further includes：Reactor；Reactor is placed on frequency converter unit front end area, and face
One ventilation opening.Since the heat that reactor generates is small, reactor is placed on frequency converter unit front end area, passes through the first ventilation
Mouth heat dissipation, effectively radiates to frequency converter using the first ventilation opening, further improves the heat dissipation performance of switch board.
In addition, switch board further includes：Main control unit；The first side of main control unit position and frequency converter unit is apart
First pre-determined distance；The second side of cabinet ontology sets the second air outlet, and the second air outlet installs the second protective device,
In, first side is opposite with second side.The first side of main control unit position and frequency converter at a distance of the first pre-determined distance,
So that the heat that frequency converter unit generates does not interfere with main control unit, similarly, the heat that main control unit generates will not influence to become
Frequency device unit, in addition, the second air outlet of second side that the heat that main control unit generates passes through cabinet ontology discharges the control
Cabinet.
In addition, the first protective device includes：First fan guard, the first air filtration cotton, metal plate and waterproof sealing washer；The
One air filtration cotton is mounted on inside the first fan guard, and the first fan guard is fixed on metal plate, and metal plate is fixed on the cabinet ontology
The first air outlet position, the waterproof sealing washer is between metal plate and cabinet ontology.First fan guard is for protection first
Fan, the first air filtration cotton are used for waterproof, and in addition the first fan guard is fixed on metal plate, and metal plate is fixed on the cabinet ontology
First air outlet position, it is ensured that the fastness that the first fan guard is installed on cabinet ontology, it is not easily to fall off, meanwhile, using anti-
Water-stop washer further ensures that the water outside cabinet is not easy to flow into the first fan guard and influence the intrinsic device of cabinet.
In addition, the second protective device, including：Radiator fan, the second fan guard, the second air filtration cotton；Second air mistake
Filter pulp is mounted on inside the second fan guard, and radiator fan is mounted on second fan guard；Second fan guard is fixed on cabinet
Second air outlet position of ontology.Second fan guard protects radiator fan, and the second air filtration cotton is for waterproof and prevents
Dirt.
In addition, the bottom of cabinet ontology sets the first air inlet, the first air inlet installation third protective device, third protection
Device includes the first shutter, the second shutter and third air filtration cotton；Third air filtration cotton is mounted on the first shutter
And second between shutter, the first shutter and the second shutter is are detachably connected.Third air filtration cotton is used for waterproof, together
When, third air filtration cotton is mounted between the first shutter and the second shutter, it is ensured that the ventilation quantity of the first air inlet, and
It prevents from entering water from the first air inlet, the first shutter and the second shutter, which use, to be detachably connected so that can be replaced at any time
Third air filtration cotton when the first shutter or the second shutter are damaged, can flexibly be replaced, without third is prevented
Protection unit integral replacing, saves use cost.
In addition, the bottom of frequency converter unit and the bottom of cabinet ontology are before the second pre-determined distance, frequency converter unit
Portion and the forepart of cabinet ontology are at a distance of third pre-determined distance.Second pre-determined distance and third pre-determined distance so that main control unit
Heat cabinet ontology is quickly discharged by the first air inlet and the second ventilation opening.
In addition, the top setting draw ring of cabinet ontology, hangs for switch board and installs.The setting of draw ring so that switch board
Using the mounting means of suspension, facilitate air inlet and the second ventilation opening air draft of the first air inlet.
Description of the drawings
Fig. 1 is according to the overall structure diagram of switch board a kind of in the utility model first embodiment；
Fig. 2 is according to the dimensional structure diagram at the back side of switch board a kind of in the utility model first embodiment；
Fig. 3 is the structural representation installed according to the first fan in switch board a kind of in the utility model first embodiment
Figure；
Fig. 4 is the structural representation according to the first protective device of switch board a kind of in the utility model first embodiment
Figure；
Fig. 5 is the structural representation according to the second protective device of switch board a kind of in the utility model first embodiment
Figure；
Fig. 6 is the knot according to the second protective device A-A sections of switch board a kind of in the utility model first embodiment
Structure schematic diagram；
Fig. 7 is the structural representation according to the third protective device of switch board a kind of in the utility model first embodiment
Figure；
Fig. 8 is according to the structure diagram of the frequency converter unit of switch board a kind of in the utility model second embodiment；
Fig. 9 is according to the bottom plan view of the frequency converter unit of switch board a kind of in the utility model second embodiment.
Specific embodiment
It is new to this practicality below in conjunction with attached drawing to make the purpose of this utility model, technical solution and advantage clearer
Each embodiment of type is explained in detail.It is however, it will be understood by those skilled in the art that each in the utility model
In embodiment, in order to make the reader understand this application better, many technical details are proposed.But even if without these skills
Art details and various changes and modifications based on the following respective embodiments can also realize that each claim of the application is required and protect
The technical solution of shield.
The first embodiment of the utility model is related to a kind of switch board.As shown in Figure 1 to Figure 3, switch board includes：Cabinet
Body 10 and frequency converter unit 20.As shown in Fig. 2, cabinet 10 includes cabinet ontology 101 and cabinet door 102, before the cabinet ontology 101
Portion is detachably connected with the cabinet door 102, and the top position of the back surfaces 1011 of the cabinet ontology 101 is provided with the first outlet air
Mouthful, first air outlet installation is used for the first protective device 1013 of waterproof and dustproof, wherein, the back of the cabinet ontology 101
Parallel with the forepart of the cabinet ontology 101 opposite, the top position of the back surfaces 1011 of the cabinet ontology 101 is the cabinet sheet
The back surfaces 1011 of body 101 are close to the position at 101 top of cabinet ontology.
Specifically, in the forepart of cabinet ontology 101 such as Fig. 1 (being not drawn into the shell of cabinet ontology, shell refers to Fig. 2)
It is shown, it is perpendicular to the position of horizontal plane and face forward, cabinet ontology 101 is the shape of cuboid, and cabinet ontology 101 removes
Forepart does not have outside shell, there is shell in remaining face, to protect the device in cabinet ontology 101, and conveniently replaces cabinet at any time
Device in ontology 101 installs cabinet door in the forepart of cabinet ontology 101, and cabinet door 102 and the forepart of cabinet ontology 101 are detachable
Connection.The forepart of cabinet ontology 101 is parallel with back opposite, in the top position of the back surfaces 1011 of the cabinet ontology 101
First air outlet is set, and first air outlet installation is used for the first protective device 1013 of waterproof and dustproof.First air outlet
Shape is identical with the shape of the first protective device 1013, protective device as shown in Figure 2, is rectangular shape, wherein, the
One protective device 1013 can be Rainproof louver window, and Rainproof louver window not only can effectively stop rainwater and throw cabinet ontology 101 into
It is interior, and cascade will not be formed in the windward side of entire shutter, so as to ensure normal air-conditioning requirement.
Frequency converter unit 20 is placed on the inside of the cabinet ontology 101, and frequency converter unit 20 includes the first fan 201 and shell
Body, the top position setting fan mouth of the first surface 203 in housing, fan mouth position is used to install first fan
201, first surface 203 is bonded with the back surfaces of cabinet ontology 101 and first fan 201 is embedded in the first air outlet,
In, the top position of first surface 203 is top position of the first surface 203 close to the housing.
Specifically, the shape of frequency converter unit 20 is roughly the same with the shape of the switch board and frequency converter unit 20 is less than
Cabinet ontology 101, so that frequency converter unit 20 can be placed on the inside of cabinet ontology 101.First surface 203 and cabinet ontology
101 back surfaces 1011 are bonded, i.e. the back surfaces 1011 of the first surface 203 of frequency converter unit 20 and cabinet ontology 101
Gapless.It should be noted that, wind identical with the shape of the first fan 201 in the shape of fan mouth that first surface 203 opens up
Fan mouth size be not easy it is excessive, convenient for the installation of the first fan 201.The number of first fan 201 can be one or 2
More than a, in present embodiment, the number of the first fan 201 is not limited, is carried out by taking 4 the first fans as an example in present embodiment
Explanation.The number of fan mouth is identical with the number of the first fan, and 4 the first fan arrangements are in a row to be sequentially arranged at corresponding wind
Kou Chu positions, the arrangement mode as shown in the first fan in Fig. 3 are fanned, Fig. 3 is the part that frequency converter unit 20 installs the first fan
Structure diagram.
It is noted that the horizontally arranged mode of the first fan 201 is set, the area of the first air outlet should can be big
In the area of all first fans 201, for example, it is assumed that the area of first fan is a square centimeters, frequency converter unit 20
4 the first fans of installation in housing, then, the area of the first air outlet is for 4a square centimeters and more than 4a square centimeters.
First fan 201 is embedded in the first air outlet, and the first fan 201 is direct by the heat generated in frequency converter unit 20
Cabinet ontology 10 is discharged by the first air outlet, so as to ensure that the heat generated in frequency converter unit 20 does not interfere with cabinet sheet
Other internal devices avoid the possibility that other devices damage due to temperature is excessively high, so as to enhance the use longevity of switch board
Life.
One possible embodiment, the first protective device 1013 include：First fan guard 10131, the first air filtration
Cotton 10132, metal plate 10133 and waterproof sealing washer 10134.First air filtration cotton 10132 is mounted on the first fan guard 10131
Inside, the first fan guard 10131 are fixed on metal plate 10133, and metal plate 10133 is fixed on the first air outlet of cabinet ontology 101
Position, waterproof sealing washer 10134 is between metal plate 10132 and cabinet ontology 101.Specific structure is as shown in Figure 4.
Specifically, as shown in Figure 4, the number of the first fan guard 10131 can be 1 or 2 or more, wherein,
The number of first fan guard 10131 is identical with the number of the first fan 201, and first fan guard 10131 can cover completely
One the first fan 201, so as to which the first fan 201 be protected to be not easy to be compromised.Meanwhile it is installed inside the first fan guard 10131
First air filtration cotton 10132, prevents the water in humid air from entering in switch board, keeps the dry environment in switch board.Metal plate
Gold 10133 is fixed on using screw on cabinet ontology 101.Waterproof sealing washer 10134 is as shown in the B-B sectional views in Fig. 4, position
Between metal plate 10133 and cabinet ontology 101, prevent the water on cabinet ontology from being flowed into switch board by metal plate.
In one possible embodiment, switch board further includes：Main control unit 30；30 position of main control unit and frequency conversion
The first side 204 of device unit 20 is at a distance of the first pre-determined distance；The second side 1014 of cabinet ontology 101 sets the second outlet air
Mouthful, the second air outlet installs the second protective device 1016, wherein, first side 204 is opposite with second side 1014.
Specifically, as shown in Figure 1 and Figure 2, the first side 204 of main control unit 30 and frequency converter unit 20 is at a distance of the
One pre-determined distance, the first pre-determined distance can voluntarily be set according to actual needs, for example, the first pre-determined distance is 10 centimetres or 20 lis
Meter or more.The side of opposite cabinet ontology 101 parallel with first side 204 is second side 1014, can be in second side
1014 top position sets the second air outlet, and the installation of the second air outlet is used for the second protective device 1016 of waterproof and dustproof,
Second protective device 1016 can be Rainproof louver window, prevent the splashing of rainwater.Second protective device 1016 can directly be inlayed
In the position of the second air outlet.
In one possible embodiment, as shown in Figure 5 to Figure 6, the second protective device 1016 includes：Radiator fan
10161st, the second fan guard 10162, the second air filtration cotton 10163；Second air filtration cotton 10163 is mounted on the second fan guard
Inside 10162, radiator fan 10161 is mounted on the second fan guard 10162；Second fan guard 10162 is fixed on cabinet ontology
101 the second air outlet is put.
Specifically, as shown in Fig. 5 to Fig. 6, after Fig. 5 is assembled for the second fan guard 10162 with radiator fan 10161
Schematic diagram, the second fan guard 10162 pass through screw lock with radiator fan 10161, it is ensured that radiator fan is in the operating condition
Safety.As shown in fig. 6, the second air filtration cotton 10163 is installed inside the second fan guard 10162, for preventing what is splashed
Moisture in water, humid air and for dust-proof.In addition, the second fan guard 10162 also protects radiator fan 10161, prevent
The splashing of rainwater prevents the entrance of water, while also protection radiator fan 10161 is not easy to be damaged.Fig. 6 is the signal of radiator fan
Scheme, the A-A diagrammatic cross-sections in Fig. 6, it can be seen that the peace of the second air filtration cotton 10163 and the second fan guard 10162 in Fig. 6
Holding position, the second air filtration cotton 10163 are close to 10162 interior surface of the second fan guard, to prevent the entrance of rainwater, dust.
In one possible embodiment, the bottom of cabinet ontology 101 sets the first air inlet, the first air inlet installation the
Three protective devices 10171, third protective device 10171 include：First shutter:101711st, the second shutter 101712 and
Three air filtration cottons 101713；Third air filtration cotton 101713 is mounted on the first shutter 101711 and the second shutter
Between 101712, the first shutter 101711 and the second shutter 101712 is are detachably connected.
Specifically, the first air inlet is arranged on the bottom of cabinet ontology 101, phase parallel with the bottom of frequency converter unit 20
It is right, meanwhile, the size of the first air inlet can be more than the size of the bottom of frequency converter unit 20, as shown in fig. 1.Third
Protection places 10171 schematic diagram shown in Fig. 7, to place the between the first shutter 101711 and the second shutter 101712
Three air filtration cottons 101713, the first shutter 101711 and the second shutter 101713 by screw lock, and the 100th
The shapes and sizes of 101711 and second shutter 101713 of leaf window are equal.Third protective device 10171 is fixed on by screw
The position of first air inlet.
It is noted that the bottom of frequency converter unit 20 and the bottom of cabinet ontology 101 become at a distance of the second pre-determined distance
The forepart of frequency device unit 20 is with the forepart of cabinet ontology 101 at a distance of third pre-determined distance.The bottom of frequency converter unit 20 and cabinet
The bottom of ontology 101 facilitates the first air inlet to enter the wind, forepart and the cabinet ontology of frequency converter unit 20 at a distance of the second pre-determined distance
101 forepart facilitates the first air inlet to enter the wind, while also can help to 20 housing of frequency converter unit at a distance of third pre-determined distance
Heat dissipation.Wherein, the second pre-determined distance is less than third pre-determined distance, for example, third pre-determined distance can be 100 to 120 millimeters, then
Second pre-determined distance is 70 millimeters.
In addition, the top setting draw ring 40 of cabinet ontology 101, hangs for switch board and installs.As shown in fig. 1, in cabinet
Four angles at the top of body ontology 101 set a draw ring 40 respectively, so that switch board is installed in suspension；Meanwhile hang installation
It is entered the wind convenient for the first air inlet.
In terms of existing technologies, the switch board that present embodiment provides, passes through the back of the body of the cabinet ontology in switch board
Portion surface sets the first air outlet, ensures that the heat in the switch board is discharged by the first air outlet, in addition, first
Air outlet installation for waterproof and dustproof the first protective device, the first protective device ensure the switch board in proper heat reduction
While can also waterproof and dustproof, so as to protect the equipment in switch board also can normal work in the case of extraneous bad environments
Make, realize stable heat dissipation performance.In addition, due to the formant that heat generates in frequency converter unit in order to control cabinet, becoming
Frequency device is internally provided with the first fan, and the first fan is mounted on the fan mouth position of the top position of the first surface in housing,
And first surface is bonded with the back surfaces of the cabinet ontology and the first fan is embedded in the first air outlet so that the first fan will
The intrinsic heat of cabinet discharges switch board by the first air outlet, ensures that the heat generated in cabinet does not interfere with control
Other devices in cabinet processed realize the efficient heat sinking function of switch board, so as to improve the service life of switch board.
The second embodiment of the utility model is related to a kind of switch board.Second embodiment be first embodiment into
One step is improved, and is mainly theed improvement is that：In the utility model second embodiment, frequency converter unit 20 further includes：Separate
Plate 204, rectification heat-sink unit 205, inversion heat-sink unit 206 and electrolytic capacitor unit 207.Specific structure is as shown in Figure 8.
Demarcation strip 204, rectification heat-sink unit 205, inversion heat-sink unit 206 and electrolytic capacitor unit 207 are arranged on frequency conversion
In the housing of device unit 20；Demarcation strip 204 is used to place space in the housing of frequency converter unit 20 being divided into frequency converter unit
Front end area 208 and frequency converter unit back-end region 209, frequency converter unit front end area 208 place electrolytic capacitor unit 207,
Frequency converter unit back-end region 209 places rectification heat-sink unit 205, inversion heat-sink unit 206, and 205 He of rectification heat-sink unit
Inversion heat-sink unit 206 is fixed on demarcation strip 204.
Specifically, demarcation strip 204 should have athermanous characteristic, prevent rectification heat-sink unit 205, inversion heat dissipation single
The heat that member 206 distributes influences electrolytic capacitor unit.When frequency converter unit 20 is normally placed in cabinet ontology 101, separate
Place space in the housing of frequency converter unit 20 is divided into former and later two regions by plate 204, in frequency converter unit front end area 208
Electrolytic capacitor unit 207 is inside placed, as shown in Figure 9.Wherein electrolytic capacitor unit 207 includes：Electrolytic capacitor and electrolysis
Capacitance bracket, electrolytic capacitor are mounted on electrolytic capacitor stent.Rectification heat-sink unit 205 includes：Rectification unit and radiator, it is whole
Unit be installed on a heat sink is flowed, radiator is fixed on demarcation strip 204.Inversion heat-sink unit 206 includes：Inversion unit and dissipate
Hot device, inversion unit be installed on a heat sink, radiator are fixed on demarcation strip 204.
In one possible embodiment, the first ventilation opening of housing bottom setting 2021 and second of frequency converter unit 20 is logical
Air port 2022；First ventilation opening 2021 is located at frequency converter unit front end area 208, and the second ventilation opening 2022 is located at frequency converter unit
Back-end region 209.
Specifically, the first ventilation opening 2021 and the second ventilation opening 2022 are separated by demarcation strip 204, logical by first
The air inlet of air port 2021 is used cooperatively with the first fan 201, and the device positioned at frequency converter unit front end area is contributed to radiate；Pass through
Second ventilation opening 2022 is entered the wind, and is used cooperatively with the first fan 201, and the device positioned at frequency converter unit back-end region is contributed to dissipate
Heat.As shown in Figure 9, Fig. 9 is overlooked for 20 bottom of frequency converter unit for the position of first ventilation opening 2021 and the second ventilation opening 2022
Figure.The reasonable disposition of air quantity is realized by the first ventilation opening 2021 and the second ventilation opening 2022.
It is noted that frequency converter unit 20 further includes：Reactor 230；Before reactor 230 is placed on frequency converter unit
End regions 208, and the first ventilation opening of face 2021.Reactor 230 can also generate heat, and reactor 230 is placed on frequency converter
Unit front end area 208.The process of heat dissipation is in frequency converter：First ventilation opening 2021 and the second ventilation opening 2022 are entered the wind respectively,
First fan is mounted on the top position of the back surfaces in the housing of frequency converter unit 20, by the first fan, drives wind
Flowing, so as to fulfill the heat dissipation to frequency converter front end area 208 and frequency converter back-end region 209.
The switch board provided in present embodiment, by setting demarcation strip in frequency converter unit, isolation rectification heat dissipation is single
The heat that member and inversion heat-sink unit distribute, avoiding the heat that rectification heat-sink unit and inversion heat-sink unit distribute makes electrolysis electric
Hold the electrolytic capacitor temperature raising in unit, so as to improve the service life of electrolytic capacitor unit.In addition, rectification heat-sink unit
It is separately positioned with inversion heat-sink unit, the direct superposition between inversion unit and rectification unit calorific value is avoided, influences to radiate
Effect.Coordinate the first ventilation opening and the second ventilation opening simultaneously, realize the reasonable disposition of air quantity；In addition, due to frequency converter unit
For main heat-sink unit, heat dissipation effect is high, and the heat that reactor generates is far smaller than rectification unit and inversion unit production
Therefore raw heat, reactor is directly placed in frequency converter unit, can effectively be filled using the heat dissipation of frequency converter unit
It puts, improves the heat dissipation effect of entire switch board.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific implementation of the utility model
Example, and in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit of the utility model
And range.
Claims (10)
1. a kind of switch board, which is characterized in that including：Cabinet and frequency converter unit；
The cabinet includes cabinet ontology and cabinet door, and forepart and the cabinet door of the cabinet ontology are detachably connected, the cabinet
The top position of the back surfaces of body ontology is provided with the first air outlet, and the first air outlet installation is for waterproof and dustproof
First protective device, wherein, the back of the cabinet ontology is parallel with the forepart of the cabinet ontology opposite, the cabinet ontology
Back surfaces top position for the cabinet ontology back surfaces close to the position of the cabinet bodies top；
The frequency converter unit is placed on the inside of the cabinet ontology, and the frequency converter unit includes the first fan and housing,
The top position setting fan mouth of first surface in the housing, the fan mouth position is used to install described first
Fan, the first surface is bonded with the back surfaces of the cabinet ontology and first fan is embedded in first outlet air
Mouthful, wherein, the top position of the first surface is top position of the first surface close to the housing.
2. switch board according to claim 1, which is characterized in that frequency converter unit further includes：Demarcation strip, rectification heat dissipation are single
Member, inversion heat-sink unit and electrolytic capacitor unit；
The demarcation strip, the rectification heat-sink unit, the inversion heat-sink unit and the electrolytic capacitor unit are arranged on described
In the housing of frequency converter unit；
The demarcation strip, for by space where in the housing of the frequency converter unit be divided into frequency converter unit front end area and
Frequency converter unit back-end region, the frequency converter unit front end area place the electrolytic capacitor unit, the frequency converter unit
Back-end region places the rectification heat-sink unit, the inversion heat-sink unit, and the rectification heat-sink unit and inversion heat dissipation are single
Member is fixed on the demarcation strip.
3. switch board according to claim 2, which is characterized in that the housing bottom setting first of the frequency converter unit is logical
Air port and the second ventilation opening；
First ventilation opening is located at the frequency converter unit front end area, and second ventilation opening is located at the frequency converter unit
Back-end region.
4. switch board according to claim 3, which is characterized in that the frequency converter unit further includes：Reactor；The electricity
Anti- device is placed on the frequency converter unit front end area, and the first ventilation opening described in face.
5. switch board according to claim 1, which is characterized in that the switch board further includes：Main control unit；
The first side of the main control unit position and the frequency converter unit is at a distance of the first pre-determined distance；
The second side of the cabinet ontology sets the second air outlet, and second air outlet installs the second protective device, wherein,
The first side is opposite with the second side.
6. switch board according to any one of claim 1 to 4, which is characterized in that first protective device includes：The
One fan guard, the first air filtration cotton, metal plate and waterproof sealing washer；
The first air filtration cotton is mounted on inside first fan guard, and first fan guard is fixed on the metal plate
On, the metal plate is fixed on first air outlet position of the cabinet ontology, and the waterproof sealing washer is located at the metal plate
Between golden and described cabinet ontology.
7. switch board according to claim 5, which is characterized in that second protective device, including：Radiator fan,
Two fan guards, the second air filtration cotton；
The second air filtration cotton is mounted on inside second fan guard, and the radiator fan is mounted on second fan
On cover；
Second fan guard is fixed on second air outlet position of cabinet ontology.
8. switch board according to claim 1, which is characterized in that the bottom of the cabinet ontology sets the first air inlet,
First air inlet installs third protective device, and the third protective device includes the first shutter, the second shutter and the
Three air filtration cottons；
The third air filtration cotton is mounted between first shutter and second shutter, first shutter
With second shutter to be detachably connected.
9. switch board according to claim 8, which is characterized in that the bottom of the frequency converter unit and the cabinet ontology
Bottom at a distance of the second pre-determined distance, the forepart of the forepart of the frequency converter unit and the cabinet ontology at a distance of third preset away from
From.
10. the switch board according to any one of claim 7 to 9, which is characterized in that the top setting of the cabinet ontology
Draw ring hangs for the switch board and installs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721331795.XU CN207475391U (en) | 2017-10-17 | 2017-10-17 | A kind of switch board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721331795.XU CN207475391U (en) | 2017-10-17 | 2017-10-17 | A kind of switch board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207475391U true CN207475391U (en) | 2018-06-08 |
Family
ID=62267027
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721331795.XU Active CN207475391U (en) | 2017-10-17 | 2017-10-17 | A kind of switch board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207475391U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834813A (en) * | 2017-10-17 | 2018-03-23 | 上海辛格林纳新时达电机有限公司 | A kind of switch board |
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2017
- 2017-10-17 CN CN201721331795.XU patent/CN207475391U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834813A (en) * | 2017-10-17 | 2018-03-23 | 上海辛格林纳新时达电机有限公司 | A kind of switch board |
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