CN110335755A - The water cooling thin-film capacitor and electric machine controller of integrated safety filter capacitor - Google Patents
The water cooling thin-film capacitor and electric machine controller of integrated safety filter capacitor Download PDFInfo
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- CN110335755A CN110335755A CN201910713175.XA CN201910713175A CN110335755A CN 110335755 A CN110335755 A CN 110335755A CN 201910713175 A CN201910713175 A CN 201910713175A CN 110335755 A CN110335755 A CN 110335755A
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- 239000003990 capacitor Substances 0.000 title claims abstract description 264
- 239000010409 thin film Substances 0.000 title claims abstract description 60
- 238000001816 cooling Methods 0.000 title claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 40
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910052802 copper Inorganic materials 0.000 claims abstract description 48
- 239000010949 copper Substances 0.000 claims abstract description 48
- 239000000498 cooling water Substances 0.000 claims abstract description 25
- 229920000297 Rayon Polymers 0.000 claims abstract description 16
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 16
- 238000005538 encapsulation Methods 0.000 claims abstract description 15
- 230000005611 electricity Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 4
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 235000010724 Wisteria floribunda Nutrition 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/08—Cooling arrangements; Heating arrangements; Ventilating arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/224—Housing; Encapsulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/228—Terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/33—Thin- or thick-film capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/38—Multiple capacitors, i.e. structural combinations of fixed capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/40—Structural combinations of fixed capacitors with other electric elements, the structure mainly consisting of a capacitor, e.g. RC combinations
Abstract
The present invention relates to electric machine controller thin-film capacitor technical field more particularly to a kind of the water cooling thin-film capacitors and electric machine controller of integrated safety filter capacitor；Including capacitor shell, capacitor ontology is installed in the capacitor shell；Multiple cooling water pipes are also laid in the capacitor shell；It is integrally fixed between the inner wall of the capacitor shell and each capacitor ontology and each cooling water pipe by encapsulation filling blob of viscose；The both ends of the capacitor ontology are symmetrically arranged with direct current input copper bar；X/Y capacitor filter plate and ferrite common mode inductance are set on the direct current input copper bar.The water cooling thin-film capacitor and electric machine controller of integrated safety filter capacitor disclosed in this invention, capacitor input terminal copper bar symmetry arrangement may be selected either side and access electric machine controller input terminal, improve the adaptability of product；Integrated ferrite common mode inductance and X/Y safety condenser network plate, improve the performance reliability of thin-film capacitor.
Description
Technical field
The present invention relates to electric machine controller thin-film capacitor technical field more particularly to a kind of integrated safety filter capacitors
Water cooling thin-film capacitor and electric machine controller.
Background technique
Though the thin-film capacitor of electric machine controller application is customized development, have a single function, input signal needs additional designs
Filter escorts for it, improves the design difficulty of electric machine controller complete machine, increases manufacturing cost, wastes
A large amount of effective application spaces of complete machine.For this purpose, a kind of ad hoc novel thin film capacitor for counting integrated safety filter capacitor of this public company, is used
To solve above-mentioned problem.X/Y capacitor is all safety capacitor, inhibits interference.X capacitor, which generally connects, is inputting positive and negative interpolar, suppression
DM EMI processed, Y capacitance connect between input electrode and ground, inhibit common mode interference.Ferrite common mode inductance is for inhibiting positive and negative
Common mode interference between pole.Without these means of filtering and device, the EMC degree of protection of electric machine controller is by not country
It examines, also can not just sell.Meanwhile it being limited to material cost and material property, the heatproof of current thin film capacitor can only accomplish
105 DEG C, the other component heatproof of electric machine controller can achieve 125 DEG C, and thin-film capacitor, which has become, promotes electric machine controller function
The most short slab of the rate upper limit, therefore, providing good cooler environment for thin-film capacitor is the technology exploration being compelled to do instantly.
Chinese patent CN2018206307163 discloses a kind of installation of thin-film capacitor and radiator structure, including controller master
Shell, controller main casing bottom are equipped with thin-film capacitor mounting groove, place thin-film capacitor, film in thin-film capacitor mounting groove
Capacitive head is equipped with the water-cooled plate being fixedly connected with controller main casing, and the water-cooled plate compresses thin-film capacitor.The water-cooled plate
A thermal conductive silicon rubber mat is equipped between thin-film capacitor.Between the bottom of the thin-film capacitor and avris, with thin-film capacitor mounting groove
It is fixed by injecting casting glue.Thin-film capacitor passes through the direct encapsulating of casting glue into controller main casing in this programme, together
When top water-cooled plate can compress capacitor further to ensure fixed reliability, thermal conductive silicon is equipped between thin-film capacitor and water-cooled plate
Rubber mat is to improve thermal coefficient；Its lap of capacitor and body clearance are filled by casting glue simultaneously, the radiating efficiency of entire scheme
It is higher, it is more preferable for capacitor heat dissipation effect, thin-film capacitor operating temperature can be effectively reduced, improve the capacitor service life.
However, above structure is not easy to the installation of the component of electric machine controller, installation speed in integrally-built arrangement
Degree is slow, can not monitoring film capacitor operating temperature；Simultaneously as the defect of structure arrangement, whole radiating efficiency are not
It is highly desirable.
Therefore, to solve the above-mentioned problems, it is badly in need of inventing a kind of water cooling thin-film capacitor of new integrated safety filter capacitor
And electric machine controller.
Summary of the invention
It is an object of the invention to: the water cooling thin-film capacitor and electric machine controller of a kind of integrated safety filter capacitor are provided,
Compact-sized, space utilization rate is high；System power-density is high, at low cost, good heat dissipation effect.
The present invention provides following proposals:
A kind of water cooling thin-film capacitor of integrated safety filter capacitor, including capacitor shell are equipped in the capacitor shell
Multiple capacitor ontologies in spacing side by side setting；Multiple cooling water pipes are also laid in the capacitor shell；The capacitor shell
Inner wall and each capacitor ontology and each cooling water pipe between by encapsulation filling blob of viscose be integrally fixed；The cooling
The upper end tube nozzle of water pipe stretches out the encapsulation and fills blob of viscose, and company corresponding with the outlet pass for being set to the capacitor case top
It is logical, the connection corresponding with the outlet pass for being set to the capacitor housing bottom of the lower end nozzle of the cooling water pipe；
The both ends of the capacitor ontology are symmetrically arranged with direct current input copper bar, and the direct current input copper bar stretches out the encapsulation and fills out
Blob of viscose is filled to be threaded on the capacitor shell；X/Y capacitor filter plate and ferrite are set on the direct current input copper bar
Common mode inductance, the X/Y capacitor filter plate are fixed with the capacitor shell, the ferrite common mode inductance and the capacitor
Ontology is fixed；The capacitor of the capacitor ontology exports the C-shaped setting of copper bar.
Preferably, the X/Y capacitor filter plate includes X capacitor and Y capacitance, the first capacitor plate of the X capacitor with
The anode electrical connection of the direct current input copper bar, the negative electricity of the second capacitor board of the X capacitor and direct current input copper bar
Connection；The first capacitor plate of the Y capacitance and the anode and cathode of direct current input copper bar are electrically connected, the Y capacitance
The second capacitor plate earthing.
Preferably, the capacitor output copper bar includes riser and the first transverse slat for being connected to the same side end of the riser
With the second transverse slat, the other end of first transverse slat is connect with the capacitor ontology, and the other end of second transverse slat is in cantilever
Setting, second transverse slat are equipped with connection screw thread hole.
Preferably, the cooling water pipe penetrates through in the short transverse of the capacitor shell.
Preferably, the direct current input copper bar is directly connected to direct current plug connector.
Preferably, the capacitor shell is equipped with for fixed fixing leg, and the fixing leg, which is equipped with, fixes
Hole.
Preferably, temperature sensor is packaged on the capacitor ontology.
Preferably, the bottom plate of the capacitor shell uses galvanized steel plain sheet, and the top plate and side wall of the capacitor shell are all made of
Plastic material.
Preferably, the top plate of the capacitor shell and side wall are in integrated die cast.
Further, the present invention also provides a kind of electric machine controller, the water including the integrated safety filter capacitor
Cold thin-film capacitor.
It is that the present invention generates the utility model has the advantages that
The water cooling thin-film capacitor and electric machine controller of integrated safety filter capacitor disclosed in this invention, including capacitor shell
Body is equipped with multiple capacitor ontologies in spacing side by side setting in the capacitor shell；It is also laid in the capacitor shell more
A cooling water pipe；Pass through encapsulation filling between the inner wall of the capacitor shell and each capacitor ontology and each cooling water pipe
Blob of viscose is integrally fixed；The upper end tube nozzle of the cooling water pipe stretches out the encapsulation filling blob of viscose, and be set to the capacitor
The corresponding connection of the outlet pass of case top, the lower end nozzle of the cooling water pipe and the water flowing for being set to the capacitor housing bottom
The corresponding connection of mouth；The both ends of the capacitor ontology are symmetrically arranged with direct current input copper bar, and the direct current input copper bar stretches out the envelope
Filling is filled blob of viscose and is threaded on the capacitor shell；X/Y capacitor filter plate and iron are set on the direct current input copper bar
Oxysome common mode inductance, the X/Y capacitor filter plate are fixed with the capacitor shell, the ferrite common mode inductance with it is described
Capacitor ontology is fixed；The capacitor of the capacitor ontology exports the C-shaped setting of copper bar；Capacitor input terminal copper bar symmetry arrangement, root
According to overall wire sheaves connection and reasonable arrangement, either side may be selected and access electric machine controller input terminal, improve the adaptability of product；Collection
At ferrite common mode inductance and X/Y safety condenser network plate, the performance reliability of thin-film capacitor is improved, meanwhile, also reduce electricity
The design difficulty of machine controller, improves space utilization rate；Capacitor output copper bar terminal is designed to c-type, directly and IGBT module
It is connected, saves switching part, reduce conduction loss；Capacitor shell self construction water cooling road, collocation Fuji M653IGBT module are answered
It is water-cooling channel around capacitor for electric machine controller for motor vehicle product, so that capacitor is realized real water cooling, greatly change
The working environment of thin-film capacitor has been apt to it, has improved the high temperature resistant grade of capacitor, to the upper limit of the power for promoting electric machine controller complete machine
Provide strong hardware supported.
Detailed description of the invention
Fig. 1 is the structural schematic diagram (perspective view) of the water cooling thin-film capacitor of integrated safety filter capacitor of the invention.
Fig. 2 is the structural schematic diagram (cross-sectional view) of the water cooling thin-film capacitor of integrated safety filter capacitor of the invention.
Fig. 3 is the structural schematic diagram (top view) of the water cooling thin-film capacitor of integrated safety filter capacitor of the invention.
Fig. 4 is the structural schematic diagram (perspective view) of electric machine controller of the invention.
Fig. 5 is the structural schematic diagram (cross-sectional view) of electric machine controller of the invention.
Fig. 6 is the structural schematic diagram (perspective view) of X/Y capacitor filter plate of the invention.
Fig. 7 is the structural schematic diagram (perspective view) of ferrite common mode inductance of the invention.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Referring to shown in Fig. 1 to Fig. 3, a kind of water cooling thin-film capacitor of integrated safety filter capacitor, including capacitor shell 1, institute
It states and multiple capacitor ontologies in spacing side by side setting is installed in capacitor shell；Multiple coolings are also laid in the capacitor shell
Water pipe 2；Pass through encapsulation filling blob of viscose 3 between the inner wall of the capacitor shell and each capacitor ontology and each cooling water pipe
It is integrally fixed；The upper end tube nozzle of the cooling water pipe stretches out the encapsulation filling blob of viscose, and be set to the capacitor shell
The corresponding connection of the outlet pass at top, the lower end nozzle of the cooling water pipe and the outlet pass pair for being set to the capacitor housing bottom
It should be connected to；The both ends of the capacitor ontology are symmetrically arranged with direct current input copper bar 4, and the direct current input copper bar stretches out the encapsulation and fills out
Blob of viscose is filled to be threaded on the capacitor shell；X/Y capacitor filter plate 5 and ferrite are set on the direct current input copper bar
Common mode inductance 6, the X/Y capacitor filter plate are fixed with the capacitor shell, the ferrite common mode inductance and the electricity
Hold ontology to fix；The capacitor of the capacitor ontology exports the C-shaped setting of copper bar 7.The X/Y capacitor filter plate includes X electricity
Hold and Y capacitance, the first capacitor plate of the X capacitor are electrically connected with the anode of direct current input copper bar, the second of the X capacitor
Capacitor board is electrically connected with the cathode of direct current input copper bar；The first capacitor plate and the direct current of the Y capacitance input copper bar
Anode and cathode be electrically connected, the second capacitor plate earthing of the Y capacitance.For the specific of X/Y capacitor filter plate
Structure and circuit connecting relation do not indicate in figure, are well-known technique, are not repeated herein.The capacitor exports copper bar
Riser 8 and the first transverse slat 9 and the second transverse slat 10 for being connected to the same side end of the riser, the other end of first transverse slat
It is connect with the capacitor ontology, the other end of second transverse slat is arranged in cantilever, and second transverse slat is equipped with connection screw thread
Hole 11.
Referring to shown in Fig. 1 to Fig. 3 and Fig. 6 and Fig. 7, the cooling water pipe passes through in the short transverse of the capacitor shell
It is logical.The direct current input copper bar is directly connected to direct current plug connector, and big expression in figure is well-known technique, is not repeated herein.Institute
It states capacitor shell to be equipped with for fixed fixing leg 12, the fixing leg is equipped with fixation hole 13.The capacitor sheet
It is packaged with temperature sensor on body, the specific location in blob of viscose is filled in the encapsulation for capacitor ontology and temperature sensor,
It is not indicated in figure, is well-known technique, is not repeated herein.The bottom plate of the capacitor shell uses galvanized steel plain sheet, the capacitor shell
The top plate and side wall of body are all made of plastic material.The top plate and side wall of the capacitor shell are in integrated die cast.
Referring to fig. 4 and shown in Fig. 5, the present embodiment additionally provides a kind of electric machine controller, filters including the integrated safety
The water cooling thin-film capacitor of wave capacitor, the capacitor shell top are equipped with IGBT module 14, the upper end of the cooling water pipe and institute
The cooling chamber 15 stated in IGBT module is connected to, for cooling down to IGBT module and thin-film capacitor；The IGBT mould
The model Fuji M653IGBT of block.
The water cooling thin-film capacitor and electric machine controller of integrated safety filter capacitor described in the present embodiment, including capacitor shell
Body is equipped with multiple capacitor ontologies in spacing side by side setting in the capacitor shell；It is also laid in the capacitor shell more
A cooling water pipe；Pass through encapsulation filling between the inner wall of the capacitor shell and each capacitor ontology and each cooling water pipe
Blob of viscose is integrally fixed；The upper end tube nozzle of the cooling water pipe stretches out the encapsulation filling blob of viscose, and be set to the capacitor
The corresponding connection of the outlet pass of case top, the lower end nozzle of the cooling water pipe and the water flowing for being set to the capacitor housing bottom
The corresponding connection of mouth；The both ends of the capacitor ontology are symmetrically arranged with direct current input copper bar, and the direct current input copper bar stretches out the envelope
Filling is filled blob of viscose and is threaded on the capacitor shell；X/Y capacitor filter plate and iron are set on the direct current input copper bar
Oxysome common mode inductance, the X/Y capacitor filter plate are fixed with the capacitor shell, the ferrite common mode inductance with it is described
Capacitor ontology is fixed；The capacitor of the capacitor ontology exports the C-shaped setting of copper bar；Capacitor input terminal copper bar symmetry arrangement, root
According to overall wire sheaves connection and reasonable arrangement, either side may be selected and access electric machine controller input terminal, improve the adaptability of product；Collection
At ferrite common mode inductance and X/Y safety condenser network plate, the performance reliability of thin-film capacitor is improved, meanwhile, also reduce electricity
The design difficulty of machine controller, improves space utilization rate；Capacitor output copper bar terminal is designed to c-type, directly and IGBT module
It is connected, saves switching part, reduce conduction loss；Capacitor shell self construction water cooling road, collocation Fuji M653IGBT module are answered
It is water-cooling channel around capacitor for electric machine controller for motor vehicle product, so that capacitor is realized real water cooling, greatly change
The working environment of thin-film capacitor has been apt to it, has improved the high temperature resistant grade of capacitor, to the upper limit of the power for promoting electric machine controller complete machine
Provide strong hardware supported.
The water cooling thin-film capacitor and electric machine controller of integrated safety filter capacitor described in the present embodiment are thin in order to improve
The radiating efficiency of membrane capacitance, effectively control temperature rise, spy design cooling water channel in this integrated capacitance ontology, make capacitance profile in water
Around road, capacitor cooling efficiency is improved, so that capacitor is realized real water cooling, greatly improves the working environment of thin-film capacitor,
The high temperature resistant grade of capacitor is improved, strong hardware supported is provided to the upper limit of the power for promoting electric machine controller complete machine.
It is disposed with temperature sensor inside capacitor, capacitor overheat protector mechanism is set, the service life of thin-film capacitor is improved.The present embodiment
Bold and beneficial positive trial has been carried out to the power density for improving drive motor controller product, to breaking industrial barrier and
That reinforces related components system further attempts to provide innovative thinking.
The water cooling thin-film capacitor and electric machine controller of integrated safety filter capacitor described in the present embodiment, capacitor input terminal
Copper bar symmetry arrangement may be selected either side and access electric machine controller input terminal, improve according to overall wire sheaves connection and reasonable arrangement
The adaptability of product；Integrated ferrite common mode inductance and X/Y safety condenser network plate, improve the reliable performance of thin-film capacitor
Property；Meanwhile the design difficulty of electric machine controller is also reduced, improve space utilization rate；DC input terminal and quick connector
It is directly connected to, cancels switching copper bar, reduce conduction loss, improve overall efficiency；Capacitor output copper bar terminal is designed to c-type, directly
It connects and is connected with IGBT module, save switching part, reduce conduction loss.
The water cooling thin-film capacitor and electric machine controller of integrated safety filter capacitor described in the present embodiment, in thin-film capacitor
Temperature sensor is arranged in portion, so that capacitor is in good operating temperature range always, so that complete machine is reached higher at a temperature of 105 DEG C
The peak power upper limit；IGBT module and the stacked arrangement of thin-film capacitor, the two is integrated, improves product integrated level, has
Conducive to the power density for improving complete machine；Capacitor bottom plate is metal material, improves the heat loss through conduction efficiency of thin-film capacitor；Structure is tight
It gathers, space utilization rate is high；System power-density is high, at low cost, is applicable to setting for new-energy automobile electric machine controller product
Meter exploitation.
The water cooling thin-film capacitor and electric machine controller of integrated safety filter capacitor described in the present embodiment, installation process
Are as follows: ferrite common mode inductance is passed through into the mounting hole being arranged on capacitor shell first and is set on the direct current input copper bar,
And it is fixed with the capacitor ontology；Then the X/Y capacitor filter sleeve-board is inputted on copper bar loaded on the direct current,
And it is fixed with capacitor shell；Direct current input copper bar is directly connected to direct current plug connector finally, IGBT module is pacified
Top loaded on the capacitor shell.
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 water cooling thin-film capacitor of integrated safety filter capacitor, it is characterised in that: including capacitor shell, the capacitor shell
Multiple capacitor ontologies in spacing side by side setting are inside installed；Multiple cooling water pipes are also laid in the capacitor shell；It is described
It is integrally fixed between the inner wall of capacitor shell and each capacitor ontology and each cooling water pipe by encapsulation filling blob of viscose；
The upper end tube nozzle of the cooling water pipe stretches out the encapsulation filling blob of viscose, and with the outlet pass that is set to the capacitor case top
Corresponding connection, the connection corresponding with the outlet pass for being set to the capacitor housing bottom of the lower end nozzle of the cooling water pipe；
The both ends of the capacitor ontology are symmetrically arranged with direct current input copper bar, and the direct current input copper bar stretches out the encapsulation and fills glue
Block is threaded on the capacitor shell；X/Y capacitor filter plate and ferrite common mode are set on the direct current input copper bar
Inductance, the X/Y capacitor filter plate are fixed with the capacitor shell, the ferrite common mode inductance and the capacitor ontology
It is fixed；The capacitor of the capacitor ontology exports the C-shaped setting of copper bar.
2. the water cooling thin-film capacitor of integrated safety filter capacitor according to claim 1, it is characterised in that: the X/Y electricity
Capacitor filter circuit board includes X capacitor and Y capacitance, the anode electricity of the first capacitor plate of the X capacitor and direct current input copper bar
Second capacitor board of connection, the X capacitor is electrically connected with the cathode of direct current input copper bar；The first capacitor of the Y capacitance
The anode and cathode of plate and direct current input copper bar are electrically connected, the second capacitor plate earthing of the Y capacitance.
3. the water cooling thin-film capacitor of integrated safety filter capacitor according to claim 2, it is characterised in that: the capacitor is defeated
Copper bar includes riser and the first transverse slat and the second transverse slat for being connected to the same side end of the riser out, first transverse slat
The other end is connect with the capacitor ontology, and the other end of second transverse slat is arranged in cantilever, and second transverse slat, which is equipped with, to be connected
Connect threaded hole.
4. the water cooling thin-film capacitor of integrated safety filter capacitor according to claim 3, it is characterised in that: the cooling water
Pipe penetrates through in the short transverse of the capacitor shell.
5. the water cooling thin-film capacitor of integrated safety filter capacitor according to claim 4, it is characterised in that: the direct current is defeated
Enter copper bar to be directly connected to direct current plug connector.
6. the water cooling thin-film capacitor of integrated safety filter capacitor according to claim 5, it is characterised in that: the capacitor shell
Body is equipped with for fixed fixing leg, and the fixing leg is equipped with fixation hole.
7. the water cooling thin-film capacitor of integrated safety filter capacitor according to claim 6, it is characterised in that: the capacitor sheet
Temperature sensor is packaged on body.
8. the water cooling thin-film capacitor of integrated safety filter capacitor according to claim 7, it is characterised in that: the capacitor shell
The bottom plate of body uses galvanized steel plain sheet, and the top plate and side wall of the capacitor shell are all made of plastic material.
9. the water cooling thin-film capacitor of integrated safety filter capacitor according to claim 8, it is characterised in that: the capacitor shell
The top plate and side wall of body are in integrated die cast.
10. a kind of electric machine controller, it is characterised in that: including according to claim 1 in -9 it is any as described in the filter of integrated safety
The water cooling thin-film capacitor of wave capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910713175.XA CN110335755A (en) | 2019-08-02 | 2019-08-02 | The water cooling thin-film capacitor and electric machine controller of integrated safety filter capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910713175.XA CN110335755A (en) | 2019-08-02 | 2019-08-02 | The water cooling thin-film capacitor and electric machine controller of integrated safety filter capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110335755A true CN110335755A (en) | 2019-10-15 |
Family
ID=68148513
Family Applications (1)
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| CN201910713175.XA Pending CN110335755A (en) | 2019-08-02 | 2019-08-02 | The water cooling thin-film capacitor and electric machine controller of integrated safety filter capacitor |
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