CN109560714A - Charger and it includes power device - Google Patents
Charger and it includes power device Download PDFInfo
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- CN109560714A CN109560714A CN201811645190.7A CN201811645190A CN109560714A CN 109560714 A CN109560714 A CN 109560714A CN 201811645190 A CN201811645190 A CN 201811645190A CN 109560714 A CN109560714 A CN 109560714A
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- Prior art keywords
- power device
- igbt
- power module
- connect
- component
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provide a kind of charger and it includes power device, wherein, the power device includes: the double surface radiators and power module for heat dissipation, power module is used to carry out voltage conversion to the voltage of input power device, electric energy is provided for the equipment on vehicle, power module includes multiple components, and multiple components are arranged in the position overhauled on the substrate of double surface radiators.Power device provided by the present invention is arranged in the two sides of the substrate of radiator by the multiple components for including by power module, all components are made to be both exposed to the position that can directly overhaul, when power module breaks down, directly component can be dismantled, be overhauled, on the basis of ensure that the heat dissipation performance of power device, maintainability is substantially increased.
Description
Technical field
The present invention relates to technical field of electricity more particularly to a kind of charger and it includes power device.
Background technique
The charger of vehicle can to AuCT export three-phase alternating current or vehicle DC bus output compared with
High direct current is converted, thus on vehicle battery and other electrical equipments electric energy is provided.Since charger exists
Heat can be generated during work, in order to guarantee the stabilization of charger electric property, therefore, by the power module of charger with
Radiator combines, and is radiated by power module of the radiator to charger.
In the prior art, the component for needing to radiate in the power module of charger is mounted on spreader surface first,
Then, a frame is set above the component for needing to radiate, on the frame by the installation of remaining component.For example, Fig. 1
A kind of power module of charger and the general assembly schematic diagram of radiator are shown.
But the component of above-mentioned power module and the assembling mode of radiator at least have the following deficiencies: to go out in power module
When existing failure, the disassembly process of component is complicated, causes maintainable lower.
Summary of the invention
The present invention provide a kind of charger and it includes power device, to improve the maintainability of power device.
On the one hand, the present invention provides a kind of power device, and applied to the charger of vehicle, which includes: to be used for
The double surface radiators and power module of heat dissipation；
Wherein, the power module is used to carry out voltage conversion to the voltage for inputting the power device, is the vehicle
On equipment provide electric energy；
The power module includes multiple components, and multiple components are arranged on the substrate of the double surface radiators
The position overhauled.
Further, the double surface radiators are two-sided heat-pipe radiator.
Further, the power device further include: sheet metal component；
The sheet metal component is used for the component is fixed on the substrate.
Further, multiple components include: first voltage sensor, protection submodule, the first IGBT, second
IGBT, the first current sensor, capacitance, high-frequency isolation transformer, rectification submodule；
Wherein, the first voltage sensor, the protection submodule, the first IGBT and the 2nd IGBT are mutual
Parallel connection, for detecting the voltage signal for inputting the power device, the protection submodule is used for the first voltage sensor
The power device is protected；
The output end of first IGBT is connected to the height by first current sensor and the capacitance
The first input end of frequency isolating transformer, the output end of the second input terminal of the high-frequency isolation transformer and the 2nd IGBT
Connection；
The input terminal of the rectification submodule is connect with the output end of the high-frequency isolation transformer, the rectification submodule
Output end of the output end as the power module, what the rectification submodule was used to export the high-frequency isolation transformer
Signal is rectified.
Further, the protection submodule includes: discharge resistance, the first Support Capacitor and the second Support Capacitor；It is described
Discharge resistance, first Support Capacitor and second Support Capacitor are connected in parallel with each other；
The power device further include: IGBT busbar and capacitor bus-bar；
The first IGBT is connect with the 2nd IGBT by the IGBT busbar；
First Support Capacitor is connect with second Support Capacitor by the capacitor bus-bar, and the capacitor is female
Row connect with the IGBT busbar.
Further, the power device further include: surging capacitive absorption plate；
The surging capacitive absorption plate is connect by the IGBT busbar with the first IGBT, the 2nd IBGT, institute
Surging capacitive absorption plate is stated for absorbing at least one in following signals component:
Spiking when the first IGBT and the 2nd IGBT in running order；
Input the AC compounent in the signal of the first IGBT and the 2nd IGBT.
Further, the power device further include: three-phase rectification bridge；
Wherein, the three-phase rectification bridge is connect by rectifying busbar with the first IGBT, and the three-phase rectification bridge is
Dismountable component, the three-phase rectification bridge are used to the alternating current that the AuCT of the vehicle exports being converted to direct current
Electricity.
Further, the power device further include: plug；
The power device is connect by the plug with the other equipment on the vehicle.
Further, the quantity of the power module is at least two.
Second aspect, the present invention also provides a kind of chargers, including power device described in first aspect.
The present invention provide a kind of charger and it includes power device, wherein the power device includes: for heat dissipation
Double surface radiators and power module, power module are used to carry out voltage conversion to the voltage of input power device, are on vehicle
Equipment electric energy is provided, power module includes multiple components, multiple components be arranged on the substrate of double surface radiators can
The position of maintenance.Power device provided by the present invention is arranged in radiator by the multiple components for including by power module
The two sides of substrate makes all components be both exposed to the position that can directly overhaul, can be directly right when power module breaks down
Component carries out disassembly maintenance, on the basis of ensure that the heat dissipation performance of power device, substantially increases maintainability.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do one simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the general assembly schematic diagram of the power module of charger and radiator in the prior art；
Fig. 2 is the structural schematic diagram of power device embodiment one provided by the invention；
Fig. 3 is the structural schematic diagram of two-sided heat-pipe radiator embodiment one provided by the invention；
Fig. 4 is the connection schematic diagram of sheet metal component provided by the invention and double surface radiators；
Fig. 5 A is the circuit diagram of power module in power device provided by the invention；
Fig. 5 B is the schematic layout pattern in the first face of power device provided by the invention；
Fig. 5 C is the schematic layout pattern in the second face of power device provided by the invention；
Fig. 5 D is the left view of power device provided by the invention；
Fig. 5 E is the oblique view of power device provided by the invention；
Fig. 5 F is the top view of power device provided by the invention；
Fig. 6 is the structural schematic diagram of charger embodiment one provided by the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Description and claims of this specification and term " first ", " second ", " third " " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage
The data that solution uses in this way are interchangeable under appropriate circumstances, so that the embodiment of the present invention described herein for example can be to remove
Sequence other than those of illustrating or describe herein is implemented.In addition, term " includes " and " having " and theirs is any
Deformation, it is intended that cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, system, production
Product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for this
A little process, methods, the other step or units of product or equipment inherently.
The three-phase alternating current or subway DC bus for the 380V that the charger of railcar can export AuCT
The direct current of the 1500V or 750V of output are converted to the direct current of the high quality of 110V or 240V, thus on railcar
Battery or other equipment provide electric energy.Transformer is typically required between the input of the front end of charger and rear end output to carry out
Electrical isolation.In the prior art, usually there are two types of mode, one is the mode of high-frequency isolation power supply, another kind is not control or phase
Control the mode of rectification.
When carrying out electrical isolation by the way of high-frequency isolation power supply, in order to guarantee charger module or part
When component breaks down, charger still is able to work normally, and is usually designed to the redundant circuit of double copies, therefore, causes to relate to
And component it is more many and diverse.Further, in order to guarantee electric property, heat dissipation performance, usually first by the power module of charger
A frame is arranged in the top for the component for needing to radiate later in the middle surface for needing the component to radiate to be mounted on radiator,
Again on the frame by the installation of remaining component.Since more component is in spreader surface arranged stacked, in fact it could happen that
The arranged stacked of multilayer, in this case, some components failure in power module or power module need to carry out
When maintenance, efficiency is lower, maintainable poor.
And using do not control or phase control rectifier by the way of carry out electrical isolation when, since related component number is less,
And the heat of the diode and thyristor rectifier generation in power module is smaller, and component is first usually mounted on radiator
On, control circuit board is mounted on to the top of component again later, is protected by protective cover.Using not controlling or phase control rectifier
Mode, although maintainability greatly enhances, the front end of power module needs transformer, and rear end needs direct current
Anti- device, therefore, the overall weight of charger can greatly increase, it is difficult to meet the light-weighted requirement of vehicle.In addition, using not controlling or
The mode of phase control rectifier is only applicable to convert the three-phase alternating current that the AuCT of 380V exports to the mode of direct current, right
It can not be applicable in the direct current for the high quality that the direct current of 1500V or 750V are converted to 110V or 240V.
Based on defect existing in the prior art, the present invention provides a kind of power device, to improve tieing up for power device
Shield property.
Fig. 2 is the structural schematic diagram of the embodiment one of power device provided by the invention.As shown in Fig. 2, the present embodiment
Power device 20 includes: 21 power module 22 of double surface radiators.
Wherein, double surface radiators 21 are used to carry out radiating treatment to power module.
Power module 22 is used to carry out voltage conversion to the voltage of input power device 20, mentions for the other equipment on vehicle
For electric energy.
Power module 22 include multiple components 23, multiple components 23 be arranged on the substrate of double surface radiators 21 can
The position of maintenance.It should be noted that the component 23 in the present embodiment can be independent electronic as such as capacitor, resistance
Component is also possible to can be realized the form of the integrated circuit daughter board of certain function.
Since power module 22 needs to carry out voltage conversion to the alternating current or direct current of input power device 20, and need
Electrical isolation is carried out using high-frequency isolation transformer, therefore, related component 23 is more.By more 23 row of component
When being distributed on the substrate of two-side radiation, avoid 23 arranged superposed of component, thus make all components 23 be exposed to can directly into
The position of row disassembly and maintenance.
Specifically, the multiple components 23 for including by power module 22 are arranged in the tow sides of substrate, and make multiple
Component 23 is mutually staggered in the tow sides of substrate, is conducive to that radiator is made full use of to radiate.It is only shown in Fig. 2 two-sided
The arrangement signal of the upper component 23 of wherein one side of radiator 21, its is similar for component 23 on the another side of double surface radiators 21.
A kind of possible implementation, above-mentioned double surface radiators 21 are two-sided heat-pipe radiator.Wherein, Fig. 3 is the present invention
The structural schematic diagram of the two-sided heat-pipe radiator embodiment one provided.As shown in figure 3, two-sided heat-pipe radiator 30 includes: substrate
31 and pedestal 32.
It wherein, include the preferable heat pipe 33 of conductivity of heat in substrate 31, extension of the heat pipe 33 on the outside of substrate 31 is the bottom of by
Corresponding through-hole in seat 32 is pierced by, and heat pipe 33 well connects between through-hole on the extension in 31 outside of substrate and pedestal 32
Touching, so that the heat in heat pipe 33 is quickly conducted into pedestal 32.
Heat pipe 33 is a kind of fabulous artificial component of conductivity of heat, and common heat pipe consists of three parts: main body is an envelope
There are a small amount of working media and capillary structure in the metal tube closed, inside, and the air and other sundries in metal tube must foreclose.
Using two-sided 33 radiator of heat pipe compared to for common radiator, heat transfer property is more preferable, and radiating efficiency is higher.?
All components 23 of power module 22 are subjected to rational deployment on two-sided 33 radiator of heat pipe, are exposed to all components 23
The position that can be directly overhauled improves the maintainability of charger.
In the present embodiment, which includes: the double surface radiators and power module for heat dissipation, and power module is used
Voltage conversion is carried out in the voltage to input power device, provides electric energy for the equipment on vehicle, power module includes multiple members
Device, multiple components are arranged in the position overhauled on the substrate of double surface radiators.Power device provided by the present invention
The two sides of the substrate of radiator is arranged in by the multiple components for including by power module, being both exposed to all components can
The position directly dismantled and overhauled can directly dismantle component when power module breaks down, be overhauled, guaranteed
On the basis of the heat dissipation performance of power device, maintainability is substantially increased.
During vehicle driving, it may be shaken because of vehicle, it may appear that be arranged in the component of 31 tow sides of substrate
23 the case where being fallen from substrate 31, it is also possible to because vehicle shakes, it may appear that the connection between the component 23 being connected disconnects
The case where.
Therefore, on the basis of embodiment shown in Fig. 2, optionally, power device 20 further include: sheet metal component 34, sheet metal component
34 for fixed on the substrate 31 by the component 23 of power device 20.
A kind of possible implementation, the wherein one side of sheet metal component 34 and the first face of the pedestal 32 of double surface radiators 21 are solid
Fixed connection, and substrate 31 protrudes into the interior hollow section of sheet metal component 34.Wherein, Fig. 4 be sheet metal component provided by the invention with it is two-sided
The connection schematic diagram of radiator.
Optionally, company can be fixed in the first face of the pedestal 32 of sheet metal component 34 and double surface radiators 21 by fixation member
It connects.For example, fixation portions part can be screw bolt and nut.Certainly, fixation member can also be other types, as long as can have
The function that sheet metal component 34 is fixedly connected with the pedestal 32 of double surface radiators 21.The present embodiment for sheet metal component 34 with it is two-sided
The mode that the pedestal 32 of radiator 21 is fixedly connected is with no restrictions.
Further, it is suitable to be provided between the tow sides of substrate 31 and the inside of the sheet metal component 34 of corresponding surface
Distance, to assist component 23 is fixed and will not to cause to squeeze to component 23, while sheet metal component 34 also can be to inside
Component 23 play the role of protection, enhance the integral strength of power device 20.
Further, it is also provided with aperture on sheet metal component 34, for cabling, binding between component 23, so that power
The internal wiring layout of device 20 is more neat, is conducive to the maintenance in later period.
In addition, since sheet metal component has, light-weight, intensity is high, can be used in electromagnetic shielding, at low cost, scale of mass production
Can be good the features such as.The integral strength of power device can not only be enhanced, and power device provided herein is in volume production
Production efficiency is higher.
The technical solution of embodiment shown in Fig. 2 is described in detail using a specific embodiment below.Fig. 5 A is
The circuit diagram of power module in power device provided by the invention, Fig. 5 B are the first face of power device provided by the invention
Schematic layout pattern, Fig. 5 C is the schematic layout pattern in the second face of power device provided by the invention, and Fig. 5 D provides for the present invention
Power device left view, Fig. 5 E be power device provided by the invention oblique view, Fig. 5 F be power provided by the invention
The top view of device.
As shown in Figure 5A, multiple components of the power module of the present embodiment include: first voltage sensor TV1, protection
Submodule 51, the first insulated gate bipolar transistor IGBT, the second insulated gate bipolar transistor IGBT, the first current sensor
TA1, capacitance C3, high-frequency isolation transformer 52, rectification submodule 53.The first IGBT is referred to as IGBT1 below, second
IGBT is referred to as IGBT2.
Wherein, first voltage sensor TV1, protection submodule 51, IGBT1 and IGBT2 are parallel with one another, first voltage sensing
Device TV1 is used to detect the voltage signal of input power device, and protection submodule 51 is for protecting power device.
A kind of possible implementation, protection submodule 51 includes: discharge resistance R1, the first Support Capacitor C1 and second
Capacitor C2 is supportted, wherein discharge resistance R1, the first Support Capacitor C1 and the second Support Capacitor C2 are connected in parallel with each other.Certainly, it protects
Protecting submodule 51 can also be other ways of realization, the invention is not limited in this regard.
Optionally, the first Support Capacitor C1 and the second Support Capacitor C2 is cylinder type dry type film Support Capacitor, the
The capacitance size of one Support Capacitor C1 and the second Support Capacitor C2 can be set according to the actual demand of power module.Certainly,
First Support Capacitor C1 and the second Support Capacitor C2 can also be other kinds of Support Capacitor, and the present invention is without limitation.
It further, is the stability for enhancing the first Support Capacitor C1 and the second Support Capacitor C2, it can be by fixing clasp by first
Support capacitor C1 and the second Support Capacitor C2 is fixed on substrate.
The output end of IGBT1 is connected to high-frequency isolation transformer 52 by the first current sensor TA1 and capacitance C3
First input end, the output end of the second input terminal of high-frequency isolation transformer 52 and IGBT2 connects.
Wherein, high-frequency isolation transformer 52 can use integrated standalone module in the prior art, as long as having energy
The function of electrical isolation is carried out between enough front end inputs and rear end output to charger.High frequency shown in the present embodiment
It may also include other devices in transformer, such as: current sensor, voltage sensor export high-frequency isolation transformer 52
Electric signal is detected, and the signal that can be will test is sent to the control module of charger.
The input terminal of rectification submodule 53 is connect with the output end of high-frequency isolation transformer 52, rectifies the output of submodule 53
The output end as power module is held, the signal that rectification submodule 53 is used to export high-frequency isolation transformer 52 rectifies.
Wherein, rectification submodule 53 includes: the first rectifier diode D42, the first absorption resistance R45, the second two poles of rectification
Pipe D43, the second absorption resistance R46.Specifically, the first output end of high-frequency isolation transformer 52 through the first absorption resistance R45 with
The first end of diode absorption plate 54 connects, and the first output end of high-frequency isolation transformer 52 and the first rectifier diode D42
Anode connection, the cathode of the first rectifier diode D42 connect with the second end of diode absorption plate 54, high-frequency isolation transformer
52 second output terminal is connect through the second rectifier diode D43 with the second end of diode absorption plate 54, and high-frequency isolation transformation
The second output terminal of device 52 is connected to the third end of diode absorption plate 54, the second two poles of rectification by the second absorption resistance R46
The cathode of pipe D43 is connect with the second end of diode absorption plate 54.
First rectifier diode D42 and the second rectifier diode D43 is used for the signal exported to high-frequency isolation transformer 52
It is rectified, the first absorption resistance R45 and the second absorption resistance R46, which are used to cooperating after 54 pairs of diode absorption plate rectifications, to be exported
Signal is filtered absorption processing.
A kind of possible implementation, above-mentioned power device further include: IGBT busbar 55 (being not shown in Fig. 5 A) and capacitor
Busbar 56 (is not shown) in Fig. 5 A.
Specifically, IGBT1 is connect with IGBT2 by IGBT busbar 55, by capacitor bus-bar 56 by the first Support Capacitor
C1 is connect with the second Support Capacitor C2, and capacitor bus-bar 56 is connect with IGBT busbar 55.
IGBT1 is connect with IGBT2 using IGBT busbar 55, using capacitor bus-bar 56 by the first Support Capacitor C1 and second
Support Capacitor C2 connection, reduces the quantity of scrappy cable, so that the integral layout of power device is more compact, can reduce function
The outer dimension of rate device and play the role of loss of weight.
Optionally, power device further include: surging capacitive absorption plate 57 (is not shown) in Fig. 5 A, wherein surging capacitor is inhaled
Plate 57 is received to connect by IGBT busbar 55 with IGBT1, IGBT2.Surging capacitive absorption plate 57 is for absorbing in following signals component
At least one of: spiking when IGBT1 and IGBT2 in running order, the friendship in the signal of input IGBT1 and IGBT2
Flow component.
Specifically, there is the resistance capaciting absorpting circuit for absorbing the above signal component on surging capacitive absorption plate 57.Capacitance-resistance is inhaled
Resistance capaciting absorpting circuit in the prior art can be used in the specific implementation form for receiving circuit.
Optionally, power device further include: three-phase rectification bridge 58 (is not shown) in Fig. 5 A, wherein three-phase rectification bridge 58 is logical
Over commutation busbar 581 is connect with IGBT1, and three-phase rectification bridge 58 is dismountable component, and three-phase rectification bridge 58 is used for vehicle
AuCT output alternating current be converted to direct current.A kind of possible implementation, three-phase rectification bridge 58 can be by 6
Diode composition, connection type with it is similar in the prior art.
In practical applications, since power device may connect AuCT, it is also possible to subway DC bus is connected, when
When power device connects AuCT, the alternating current that AuCT exports is converted by direct current by three-phase rectification bridge 58
Electricity carries out voltage conversion to the direct current that three-phase rectification bridge 58 exports by aforementioned circuit again later.
Three-phase rectification bridge 58 is connect with IGBT1 by rectification busbar 581, reduces connection cables, is conducive to power dress
Middle route rational deployment is set, and three-phase rectification bridge 58 is dismountable component, in power device and AuCT and subway
When switching between DC bus, switching efficiency is faster.
It should be noted that three-phase rectification bridge 58 and IGBT1 is connected in parallel, i.e., three-phase rectification bridge 58 also with IGBT2, protection
Submodule 51, first voltage sensor TV1 are connected in parallel.
In the present embodiment, in such a way that component is attached by different types of busbar, reduces connection cables, keep away
The possibility that manual operation is made a fault is exempted from, and quality of connection is higher.
Optionally, power device further include: temperature relay 59 and temperature sensor 510.(temperature is not showed that in Fig. 5 A
Spend relay 59 and temperature sensor 510)
Temperature sensor 510 is used to acquire the temperature of double surface radiators, and temperature relay 59 is used in double surface radiators temperature
Degree carries out relay protection when being more than preset threshold.Temperature sensor 510 and temperature relay 59 are all set in double surface radiators
On substrate.
Optionally, power device further include: plug 511, power device pass through the other equipment on plug 511 and vehicle
Connection.A kind of possible implementation, the type of plug 511 are 20 core plugs 511.
It should be noted that charger may also include control module, control module is used for according in above-mentioned power module
The testing result of first voltage sensor TV1 and/or the first current sensor TA1 control IGBT1, IGBT2.Therefore,
Power device needs to be attached between control module.Certainly, control module can also be with the module of other in charger or vehicle
Other equipment connection on, and these equipment or module are controlled.
A kind of possible implementation, control module may include driving plate mainboard 512 and the auxiliary plate 513 of driving plate.Driving
For plate mainboard 512 by driving line to connect with the auxiliary plate 513 of driving plate, driving line can be along the sheet metal component right above driving plate mainboard 512
Edge fix, guarantee power device in connection cables stabilization.
Specifically, the first current sensor TA1 in power device is connected to plug 511, and the cable wire by cable
Sheet metal component right above the first current sensor TA1 is fixed.
First voltage sensor TV1 in power device is connect by cable with plug 511, and the cable is passed along voltage
Sheet metal component right above sensor is fixed.
Above-mentioned temperature relay 59 and temperature sensor 510 are connect by cable with plug 511, and the cable is along each
It is fixed from the sheet metal component of surface.
The component that needs in power module are connect with external equipment is connected to plug 511, and plug 511 passes through power
The wherein side entirety outlet of device, the outlet of centrality facilitate the wiring and subsequent maintenance of charger entirety.
Optionally, the quantity of power module is at least two.Settable at least two power module in power device, and
Two power modules are mutually indepedent, so that power module has interchangeability and identity, ensure that the redundancy performance of power device.
Next, with the quantity of power module for one, to multiple components in power module in double surface radiators
Layout on substrate describes in detail.
Fig. 5 B is the schematic layout pattern in the first face of power device provided by the invention.As shown in Figure 5 B, driving plate mainboard
512 are set to the upper left hand corner section in the first face of substrate, and first voltage sensor TV1 is set to the right side of driving plate mainboard 512,
Rectification busbar 581 is set to the lower half portion in the first face of substrate, and rectifies busbar 581 close to the left side in the first face of substrate,
Diode absorption plate 54 is set to the middle position of the lower half portion in the first face of substrate, and discharge resistance R1 is set to diode absorption
The right side of plate 54.
Optionally, settable first poly (methyl methacrylate) plate 514, and the first poly (methyl methacrylate) plate 514 and driving plate mainboard 512 are mutual
In parallel, the first poly (methyl methacrylate) plate 514 can protect driving plate mainboard 512 and voltage sensor, avoid people and driving plate mainboard 512
And/or first voltage sensor directly contacts.
Driving plate mainboard 512, diode absorption plate 54, rectification busbar 581 and the first poly (methyl methacrylate) plate 514 can pass through
Fixation member is fixed on substrate.Fixation member can be screw bolt and nut, and fixation member may be setting-up piece and bolt.
Fixation member may be other types, and the present invention is without limitation.
Further, also output switching copper bar 515, output switching copper bar can be set in the leftmost side in the first face of substrate
515 side for the input terminal and output end that rectify submodule to be led to the first face of substrate by exporting switching copper bar 515
Face facilitates the connection of other modules in rectification submodule and charger.
Further, first insulated terminal can be set in the lower section of output switching copper bar 515 and arranges 516, the first insulated terminal
Row 516 connect with output switching copper bar 515, and the first insulated terminal row 516 is for fixing one end of output switching copper bar 515.
Fig. 5 C is the schematic layout pattern in the second face of power device provided by the invention.As shown in Figure 5 C, driving plate is auxiliary
Plate 513 is set to the middle position of the top half in the second face of substrate, as far as possible keep with driving plate mainboard 512 substrate just
Anti- two sides mutually staggers, so that guarantee driving plate mainboard 512 and the auxiliary plate 513 of driving plate has good heat dissipation.
Surging capacitive absorption plate 57 and the auxiliary plate 513 of driving plate are overlapped, and surging capacitive absorption plate 57 and driving plate
Auxiliary plate 513 is parallel to each other.
A kind of possible implementation, the position of IGBT1, IGBT2 can refer to shown in Fig. 5 F, be set to the second face of substrate
The top of the middle auxiliary plate 513 of driving plate, and it is fixed on the second face of substrate.
Further, the first Support Capacitor C1 and the second Support Capacitor C2 are set to the lower half in the second face of substrate
Point, and the first Support Capacitor C1 and the second Support Capacitor C2 is close to the right side in the second face of substrate.Capacitor bus-bar 56 is set to drive
Position between the auxiliary plate 513 of movable plate and the first Support Capacitor C1 and the second Support Capacitor C2.
Further, it can be used by fixing clasp 518 by the fixation of the first Support Capacitor C1 and the second Support Capacitor C2
Fixing clasp 518 can enhance the stability of the first Support Capacitor C1 and the second Support Capacitor C2.
Further, the second insulated terminal can be set in the rightmost side in the second face of substrate and arranges 517, and the second insulating end
Son row 517 and output switching copper bar 515 between crimp fixations, wherein the second insulated terminal arrange 517 be used for by IGBT busbar 55 with
And the associated connections point of rectification busbar 581 is fixed.
In addition, it is necessary to explanation, the upper left position in the first face of substrate is additionally provided with capacitance C3, in substrate
The second face upper left position be arranged plug 511, the plug 511 be 20 core plugs 511.
Further, also second poly (methyl methacrylate) plate 519 can be set in the front of output switching copper bar 515, second is organic
Glass plate 519 can be avoided the wiring point of power module directly and human contact, play the role of security protection.
Fig. 5 D is the left view of power device provided by the invention, wherein the position of capacitance C3 and plug 511 can join
According to shown in Fig. 5 D.
Further, Fig. 5 E is the oblique view of power device provided by the invention, as shown in fig. 5e, the first rectifier diode
D42, the second rectifier diode D43, the first absorption resistance R45 and the second absorption resistance R46 cloth Chong Die with diode absorption plate 54
It sets, the first rectifier diode D42, the second rectifier diode D43, the first absorption resistance R45 and the second absorption resistance R46 are respectively provided with
In the lower section of diode absorption plate 54.
Optionally, power device further include: circuit board mounting box 520, circuit board mounting box 520 is for installing driving plate
Mainboard 512, first voltage sensor TV1, the first poly (methyl methacrylate) plate 514.Can effectively it guarantee between circuit board and circuit
Plate is to the insulation performance between charger shell.
Optionally, also rubber sheath 521 can be set in the inside of the passed through hole of connection cables, for protecting connecting line
Cable is avoided because of friction damage cable.It should be noted that merely exemplary explanation is inside the passed through hole of connection cables in Fig. 5 E
The case where rubber sheath is arranged, may also set up rubber sheath on the inside of other holes of the power device, for protecting connecting line
Cable.
Optionally, one or more binding seats 522 can be also set on substrate, and the position of binding seat 522 can be according to demand
Suitable position is selected, can guarantee the specification of cabling.Illustratively, binding can be set in the first face of substrate or the second face
Seat, as shown in fig. 5e, can be arranged binding seat 522, at the substrate of temperature relay top position to guarantee cabling specification；Example
Property, also binding seat 522 can be set in the side of substrate, as shown in Fig. 5 F, settable three binding seats 522, and three bundles
Line seat can be uniformly distributed.Certainly, the also uneven distribution of binding seat 522.Certainly, it can also be set according to actual needs in other positions
Binding seat is set, position shown in Fig. 5 E and 5F is not restricted to.
In Fig. 5 B to Fig. 5 F embodiment, by using two-sided heat-pipe radiator, and in the substrate of two-sided heat-pipe radiator
Multiple components of two sides arrangement power module, so that all components are all exposed to the position that can directly overhaul.Power mould
The component that needs in block are connect with external equipment is connected to plug, and plug is integrally gone out by the wherein side of power device
Line.
Further, internal main circuit line is completed by using capacitor bus-bar, IGBT busbar.First rectifier diode,
Using busbar and monolith electricity between two rectifier diodes and the first absorption resistance R45 engaged therewith, the second absorption resistance R46
Road plate completes connection, reduces the quantity of scrappy cable.IGBT1, IGBT2 and matched surging capacitive absorption plate also use
Busbar and a monolith circuit board complete connection.The mode being attached above by busbar, reduces Internal cable, so that power
The assembling and maintenance of device all become simpler light.
IGBT1 and IGBT2 are set by the top distribution of the substrate in double surface radiators, two pole of the first rectification is set in lower part distribution
Pipe, the second rectifier diode and rectifier bridge, the layout type of component are more reasonable.
Further, dismountable rectifier bridge is arranged by the front end of the power module in charger, rectifier bridge passes through rectification
Busbar is connect with power module, and the function that the alternating current of the AuCT output to vehicle is rectified can be realized.Favorably
It is switched between automobile auxiliary current transformer and subway DC bus in charger power module, applicability is stronger.
Fig. 6 is the structural schematic diagram of charger embodiment one provided by the invention.As shown in fig. 6, the charger 60 includes:
Power device 61.
Wherein, the specific implementation of power device can be as shown in Fig. 2 or Fig. 5 A-5E.
The charger of the present embodiment realizes that philosophy and technique effect is similar, and details are not described herein again.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of power device, which is characterized in that applied to the charger of vehicle, the power device includes: for heat dissipation
Double surface radiators and power module；
Wherein, the power module is used to carry out voltage conversion to the voltage for inputting the power device, is on the vehicle
Equipment provides electric energy；
The power module includes multiple components, multiple components be arranged on the substrate of the double surface radiators can
The position of maintenance.
2. power device according to claim 1, which is characterized in that the double surface radiators are two-sided heat-pipe radiator.
3. power device according to claim 1, which is characterized in that further include: sheet metal component；
The sheet metal component is used for the component is fixed on the substrate.
4. power device according to claim 1, which is characterized in that multiple components include: first voltage sensing
Device, protection submodule, the first insulated gate bipolar transistor IGBT, the second insulated gate bipolar transistor IGBT, the first electric current
Sensor, capacitance, high-frequency isolation transformer, rectification submodule；
Wherein, the first voltage sensor, the protection submodule, the first IGBT and the 2nd IGBT be mutually simultaneously
Connection, for detect the voltage signal for inputting the power device, the protection submodule is used for pair the first voltage sensor
The power device is protected；
The output end of first IGBT by first current sensor and the capacitance be connected to the high frequency every
The output end of first input end from transformer, the second input terminal of the high-frequency isolation transformer and the 2nd IGBT connect
It connects；
The input terminal of the rectification submodule is connect with the output end of the high-frequency isolation transformer, described to rectify the defeated of submodule
Output end of the outlet as the power module, the signal that the rectification submodule is used to export the high-frequency isolation transformer
It is rectified.
5. power device according to claim 4, which is characterized in that the protection submodule includes: discharge resistance, first
Support Capacitor and the second Support Capacitor；The discharge resistance, first Support Capacitor and second Support Capacitor are mutual
It is connected in parallel；
The power device further include: IGBT busbar and capacitor bus-bar；
The first IGBT is connect with the 2nd IGBT by the IGBT busbar；
First Support Capacitor is connect with second Support Capacitor by the capacitor bus-bar, and the capacitor bus-bar with
The IGBT busbar connection.
6. power device according to claim 5, which is characterized in that further include: surging capacitive absorption plate；
The surging capacitive absorption plate is connect by the IGBT busbar with the first IGBT, the 2nd IBGT, described prominent
Wave capacitive absorption plate is used to absorb at least one in following signals component:
Spiking when the first IGBT and the 2nd IGBT in running order；
Input the AC compounent in the signal of the first IGBT and the 2nd IGBT.
7. power device according to claim 4, which is characterized in that the power device further include: three-phase rectification bridge；
Wherein, the three-phase rectification bridge is connect by rectifying busbar with the first IGBT, and the three-phase rectification bridge is removable
The component unloaded, the three-phase rectification bridge are used to the alternating current that the AuCT of the vehicle exports being converted to direct current.
8. power device according to any one of claims 1 to 7, which is characterized in that further include: plug；
The power device is connect by the plug with the other equipment on the vehicle.
9. power device according to any one of claims 1 to 7, which is characterized in that the quantity of the power module is extremely
It is two few.
10. a kind of charger, which is characterized in that including power device as described in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811645190.7A CN109560714B (en) | 2018-12-29 | 2018-12-29 | Charger and power device comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811645190.7A CN109560714B (en) | 2018-12-29 | 2018-12-29 | Charger and power device comprising same |
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| CN109560714A true CN109560714A (en) | 2019-04-02 |
| CN109560714B CN109560714B (en) | 2024-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811645190.7A Active CN109560714B (en) | 2018-12-29 | 2018-12-29 | Charger and power device comprising same |
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| CN111934523A (en) * | 2020-08-20 | 2020-11-13 | 广东电网有限责任公司电力科学研究院 | Power module based on modular carborundum device |
| CN113949291A (en) * | 2021-10-28 | 2022-01-18 | 南京南瑞继保工程技术有限公司 | A distributed power flow controller power unit |
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|---|---|
| CN109560714B (en) | 2024-08-09 |
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