WO2007126082A1 - キャパシタモジュール - Google Patents
キャパシタモジュール Download PDFInfo
- Publication number
- WO2007126082A1 WO2007126082A1 PCT/JP2007/059248 JP2007059248W WO2007126082A1 WO 2007126082 A1 WO2007126082 A1 WO 2007126082A1 JP 2007059248 W JP2007059248 W JP 2007059248W WO 2007126082 A1 WO2007126082 A1 WO 2007126082A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- capacitor
- capacitor module
- radiator
- fixing
- cover
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 337
- 238000001816 cooling Methods 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 26
- 239000011810 insulating material Substances 0.000 claims description 15
- 239000007769 metal material Substances 0.000 claims description 8
- 239000002826 coolant Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 18
- 230000017525 heat dissipation Effects 0.000 abstract description 15
- 229910052751 metal Inorganic materials 0.000 description 25
- 239000002184 metal Substances 0.000 description 25
- 239000000498 cooling water Substances 0.000 description 10
- 229910052782 aluminium Inorganic materials 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000000465 moulding Methods 0.000 description 6
- 238000010292 electrical insulation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005482 strain hardening Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/14—Structural combinations or circuits for modifying, or compensating for, electric characteristics of electrolytic capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/10—Multiple hybrid or EDL capacitors, e.g. arrays or modules
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/78—Cases; Housings; Encapsulations; Mountings
- H01G11/82—Fixing or assembling a capacitive element in a housing, e.g. mounting electrodes, current collectors or terminals in containers or encapsulations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/02—Mountings
- H01G2/04—Mountings specially adapted for mounting on a chassis
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/26—Structural combinations of electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices with each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/28—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the electric energy storing means, e.g. batteries or capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Definitions
- the present invention relates to a capacitor module in which a plurality of capacitors are connected.
- a capacitor element As a conventional capacitor, there is one configured by inserting a capacitor element inside a metal case.
- the metal case has a cylindrical shape with one end closed and the other end opened. After the capacitor element is inserted into the metal case, the other end is closed by a terminal plate.
- the terminal plate has an external terminal connected to the internal terminal of the capacitor element, and is fixed to the opening edge of the metal case (for example, see Patent Document 1).
- Patent Document 1 Japanese Patent Application Laid-Open No. 2002-252151
- Patent Document 2 Japanese Patent Laid-Open No. 2005-26219
- the caypacita itself does not have a fixing structure.
- the capacitor is placed on the bottom plate of the module housing, and a presser fitting is arranged at the opening edge of the metal case in each capacitor, and the capacitor is sandwiched between the presser fitting and the module housing.
- a method of fixing with can be considered.
- the fixing method in which the capacitor is sandwiched between the module housing and the module housing through the presser fitting as described above is not necessarily preferable in terms of reliability and durability when vibration is repeatedly applied. That's not true. In particular, very large vibrations such as construction machinery occur. When used under repetitive conditions, the above-mentioned problems become more prominent, and the capacitor may drop off the module housing force due to displacement of the presser.
- the capacitor module it is not preferable to apply the capacitor module to change the vehicle body appearance of the construction machine because the manufacturing cost of the construction machine increases. That is, downsizing of the capacitor module is required to save space. However, if the capacitance of the capacitor is reduced, the amount of heat generated increases due to the internal loss of the capacitor element, so that a suitable heat dissipation structure is desired here as well.
- the present invention has been made in view of the above, and is capable of fixing a capacitor while ensuring reliability and durability even under a condition in which vibration is applied, and the internal temperature of the capacitor.
- An object of the present invention is to provide a capacitor module capable of obtaining a heat dissipation structure suitable for an increase in the temperature.
- a capacitor module according to the present invention is configured such that an outer bottom wall portion of a capacitor case for storing a capacitor element is formed thicker than the other walls,
- the capacitor is provided with a screw hole in the bottom wall portion, and a plurality of the capacitors are provided, and the capacitor is fixed to the heat radiator by screwing a fixing screw into the screw hole.
- the capacitor module according to the present invention is characterized in that, in the above invention, the heat radiating body includes a cooling passage through which a cooling medium is circulated.
- the capacitor module according to the present invention is based on the above invention!
- the heat radiator is formed of a metal material, and a sheet material made of an insulating material is interposed between the outer wall surface of the capacitor and the heat radiator.
- the capacitor module according to the present invention is characterized in that, in the above-described invention, an interposition material that also serves as an insulating material is interposed between the fixing screw and the heat radiator.
- the capacitor module according to the present invention is characterized in that, in the above invention, the capacitor is covered with a cover.
- the capacitor module according to the present invention is characterized in that, in the above invention, the capacitor and the fixing screw are covered with a cover.
- the capacitor module according to the present invention is characterized in that, in the above invention, the cover is formed of a metal material.
- a sheet material as an insulating material is interposed between the connection fitting for electrically connecting the plurality of capacitors and the cover. It is characterized by.
- a temperature sensor for detecting the temperature of the capacitor is provided on the inner side of the cover, and each of the temperature is detected according to the temperature detected by the temperature sensor.
- a controller for charge / discharge control of the capacitor is attached to the outside of the cover.
- the capacitor module according to the present invention is characterized in that, in the above-mentioned invention, the temperature sensor is provided in a connection fitting for electrically connecting the capacitor.
- the capacitor module according to the present invention is characterized in that, in the above invention, a booster for boosting the output voltage of the capacitor is provided.
- the capacitor module according to the present invention is characterized in that, in the above-described invention, the heat dissipating member is provided with legs having a vibration-proof rubber force.
- a capacitor module according to the present invention is a capacitor in which an outer bottom wall portion of a capacitor case that houses a capacitor element is formed thicker than the other wall, and a screw hole is provided in the outer bottom wall portion. A plurality of capacitors were provided, and the capacitors were fixed to the radiator by screwing fixing screws into the screw holes. As a result, it is possible to secure the capacitor with reliability and durability even when it is used under conditions in which very large vibrations are repeatedly applied, such as when a capacitor module is mounted on a construction machine. .
- the screwing of the fixing screw into the screw hole improves the adhesion of the outer wall surface of the capacitor case to the fixing surface of the radiator, so the heat generated by the capacitor is appropriately transmitted to the radiator to dissipate the capacitor. be able to. That is, it is possible to obtain a heat dissipation structure suitable for an increase in the internal temperature of the capacitor.
- the heat radiating body includes a cooling passage through which a cooling medium flows in the cross section.
- the cooling medium can further dissipate heat from the capacitor. That is, a more suitable heat dissipation structure can be obtained as the internal temperature of the capacitor increases.
- the heat dissipating body from a metal material and interposing a sheet material made of an insulating material between the outer wall surface of the capacitor and the heat dissipating body, the electrical insulation of the capacitor is maintained while maintaining the heat dissipating structure. Can be improved.
- the fixing screw is formed of an insulating material, it is possible to improve the electrical insulation of the capacitor while maintaining the heat dissipation structure.
- the cover by forming the cover with a metal material, the heat generated by the capacitor is dissipated through the cover, so that the heat dissipation performance of the capacitor can be improved.
- connection fitting for electrically connecting a plurality of capacitors and the cover
- the heat generated by the capacitor is dissipated through the connection fitting cover and the cover. Therefore, the heat dissipation performance of the capacitor can be improved.
- a controller that performs charge / discharge control of each capacitor according to the temperature detected by the temperature sensor is attached to the outside of the cover. Capacitor control can be performed according to heat generation, and the safety of the capacitor module can be improved. Further, by attaching a controller for controlling the capacitor to the outside of the cover, a capacitor module including the controller can be obtained. That is, for example, a capacitor module can be mounted with a controller on a construction machine or the like. [0031] Further, since the temperature of the connecting metal part is substantially equal to the temperature inside the capacitor, ideal control can be performed by attaching a temperature sensor to the connecting metal part. This eliminates the need to embed a temperature sensor inside the capacitor.
- FIG. 1 is a schematic diagram showing an example of a construction machine to which the present invention is applied.
- FIG. 2 is a schematic view of the capacitor module as seen from the plane.
- FIG. 3 is a sectional view taken along line III-III in FIG.
- FIG. 4 is a cross-sectional view showing a capacitor.
- FIG. 5 is a longitudinal sectional view showing a mold.
- FIG. 6 is a plan view showing a mold.
- FIG. 7 is a conceptual diagram showing a process for forming a capacitor case.
- FIG. 8 is a conceptual diagram showing a process of molding a capacitor case.
- FIG. 9 is a conceptual diagram showing a process for forming a capacitor case.
- FIG. 10 is a conceptual diagram showing a cured state of the capacitor case.
- FIG. 11 is a cross-sectional view showing another form of the capacitor.
- FIG. 12 is a cross-sectional view showing another form of the capacitor.
- FIG. 13 is a cross-sectional view showing another form of the capacitor.
- FIG. 14 is a cross-sectional view showing another form of the capacitor.
- FIG. 15 is a conceptual diagram showing another form of the capacitor module.
- FIG. 1 is a schematic view showing an example of a construction machine to which the present invention is applied.
- a hydraulic excavator 100 is taken as an example of a construction machine.
- This excavator 100 uses motors 102A and 102B in addition to the engine 101 as a drive system.
- the assist motor 102A and the turning motor 102B are used!
- the assist motor 102A is directly connected to the output shaft of the engine 101.
- the engine 101 This is to assist the engine 101 so as to improve the responsiveness to the operation of the operator when the work is immediately performed when the rotational speed of the engine is reduced.
- the turning motor 102B is provided in the turning part 104 disposed so as to be rotatable around a turning axis provided substantially perpendicular to the self-running part 103, and is used for turning the turning part 104.
- the capacitor module 1 according to the present invention is connected to the assist motor 102A and the turning motor 102B.
- the capacitor module 1 supplies electric power to the assist motor 102A and the swing motor 102B, while storing electric power generated by the assist motor 102A and the swing motor 102B.
- FIG. 2 is a schematic view of the capacitor module seen from the plane
- FIG. 3 is a cross-sectional view along III III in FIG. 2
- FIG. 4 is a cross-sectional view showing the capacitor.
- the capacitor module 1 is provided by connecting a plurality of capacitors 2 as shown in FIG. 2 and FIG.
- the capacitor 2 is generally composed of a capacitor case 22 that accommodates the capacitor element 21 and a terminal plate 23.
- the capacitor element 21 is formed by laminating a plurality of positive electrodes and negative electrodes with a separator interposed therebetween.
- the positive electrode and the negative electrode are constituted by sandwiching a collector electrode made of a metal foil (for example, an aluminum foil) between activated carbon sheets and impregnated with an electrolyte.
- Capacitor element 21 has internal terminal 211 extending from each electrode inside capacitor case 22.
- the capacitor case 22 also has a light metal (for example, aluminum) force, and forms a bottomed cylindrical container with a closed bottom and an open top.
- the terminal board 23 is fixed to the capacitor case 22 in a state where the upper opening of the capacitor case 22 is closed.
- the positive and negative external terminals 231 provided on the terminal plate 23 are connected to the internal terminals 211 of the capacitor element 21 inside the capacitor case 22.
- the capacitor 2 is a substantially prismatic body, and is fixed to the fixed surface when the capacitor module 1 is formed on the outer bottom wall surface of the bottom wall portion (one wall) 221 in the capacitor case 22. Screw holes 222 are provided.
- the screw hole 222 is formed as a female screw hole that opens downward. Further, the wall thickness of the bottom wall portion 221 of the capacitor case 22 provided with the screw holes 222 is formed to be thicker than other walls such as side walls.
- FIG. 5 is a longitudinal sectional view showing the mold
- FIG. 6 is a plan view showing the mold
- FIGS. 7 to 9 show the process of molding the capacitor case.
- FIG. 10 is a conceptual diagram showing the cured state of the capacitor case.
- the capacitor case 22 is formed by impact molding with the outer mold 201 and the inner mold 202 shown in FIG.
- the outer mold 201 has a cavity 2011 that opens upward and has an opening in which four rectangular corners are formed in an arc as shown in FIG.
- a cylindrical first protrusion 2012 that extends upward at a substantially center
- a cylindrical second protrusion 2013 that extends upward in a form surrounding the first protrusion 2012, Is provided.
- the first protrusion 2012 is formed so as to protrude longer than the second protrusion 2013.
- the inner mold 202 extends downward toward the opening of the cavity 2011 of the outer mold 201, and the lower end of the inner mold 202 is shown in FIG.
- the inner mold 202 is provided to be movable up and down relatively with respect to the outer mold 201.
- the raised portion becomes the side wall portion of the molded capacitor case 22 (see FIG. 10).
- the column portion 2021 of the inner mold 202 is inserted into the cavity 2011 of the outer mold 201, and the first protrusion is formed between the lower end surface and the inner bottom surface of the cavity 2011. It can be stopped with a predetermined interval H2 including the protruding length of 2012. That is, the bottom wall portion 221 of the capacitor case 22 having a predetermined interval H2 is formed (see FIG. 10).
- the inner mold 202 is raised so as to be removed from the outer mold 201, and the outer case 201 and the capacitor case 22 molded from the inner mold 202 are taken out.
- the molded capacitor case 22 has an interval H2 between the outer mold 201 and the inner mold 202 as the wall thickness.
- the container has a bottom wall portion 221 that closes and the bottom portion is closed and the upper portion is opened.
- the portion where the soft metal M is fluidized by compression is work-hardened.
- an interval H2 is provided between the outer mold 201 and the inner mold 202 to increase the thickness of the bottom wall 221, compression is not transmitted by the interval H2. Therefore, it does not fully fluidize and is difficult to cure. Therefore, if the screw hole 222 is formed on the outer bottom wall surface of the bottom wall portion 221 formed in this way as described later, the strength of the screw hole 222 cannot be obtained.
- the first protrusion 2012 and the second protrusion 2013 provided on the outer mold 201 are interposed to apply an impact force to the soft metal M
- the first protrusion 2012 and the second protrusion In order to avoid 2013, soft metal M will fluidize and work harden. That is, the strength of the screw hole 222 is improved by forming the screw hole 222 in the work-hardened portion as will be described later.
- the degree of work hardening increases as the amount of movement when the soft metal M is fluidized increases. Specifically, as shown in FIG. 10, a portion near the first protrusion 2012 and the second protrusion 2013 and a portion protruding from the cavity 2011 of the outer mold 201 are large in work hardening (G1).
- the part slightly separated from the first protrusion 2012 and the second protrusion 2013 and the part before protruding from the cavity 2011 are in process hardening (G2).
- the part of the cavity 2011 that has the largest wall thickness is the small work hardening (G3).
- the bottom wall portion 221 of the material is work-hardened.
- the screw hole 222 is formed in the bottom wall portion 221 of the capacitor case 22.
- the screw hole 222 is formed using the hole provided in the outer bottom wall surface of the bottom wall portion 221 by the first protrusion 2012.
- the hole portion is a portion having a large work hardening (G1), so that the strength of the screw hole 222 is improved.
- the strength around the screw hole 222 is improved by the second protrusion 2013.
- the opening of the capacitor case 22 is formed into a wide mouth. In this way, the capacitor case 22 is formed.
- the capacitor element 21 is accommodated in the capacitor case 22, and the terminal plate 23 is fitted into the opening of the capacitor case 22 having a wide opening. Block the top opening. And the opening of the capacitor case 22 The edge is narrowed inward to fix the terminal plate 23 and the opening edge of the capacitor case 22 to each other. In this way, the capacitor 2 is formed.
- the capacitor module 1 has a heat radiator 3 for fixing the capacitor 2.
- the radiator 3 is formed in a plate shape with a fixed surface (fixed surface) 31 for fixing the capacitor 2 as an upper surface.
- the heat release body 3 is made of aluminum, which is a light metal having a relatively high thermal conductivity.
- the radiator 3 is provided with a plurality of through holes 32 penetrating in the vertical direction.
- the through hole 32 is for passing a fixing screw 4 for fixing the capacitor 2.
- the fixing screw 4 fixes the capacitor 2 to the fixing surface 31 by allowing the lower surface force of the radiator 3 to pass through the through hole 32 and screwing into the screw hole 222 provided in the bottom wall portion 221 of the capacitor 2.
- a thermally conductive insulating material (for example, a key element) is provided between the outer bottom wall surface of the bottom wall portion 221 of the capacitor 2 and the fixed surface 31 of the radiator 3. ) Sheet material 41 is interposed.
- This sheet material 41 is interposed between the outer bottom wall surface of the bottom wall portion 221 of the capacitor 2 and the fixed surface 31 when the capacitor 2 is fixed to the fixed surface 31, and connects the capacitor 2 and the fixed surface 31. It is arranged in an insulated and non-contact state, and acts to transmit heat generated by the capacitor 2 to the radiator 3. Further, an interposing material 42 made of an insulating material (for example, a synthetic resin material) is interposed between the fixing screw 4 that fixes the capacitor 2 to the fixing surface 31 and the through hole 32 of the heat dissipating body 3. .
- the interposition material 42 is formed in a cylindrical shape so as to be inserted into the through hole 32, and has a flange that engages with the lower opening of the through hole 32. That is, when the capacitor 2 is fixed to the fixing surface 31 with the fixing screw 4, the intervening material 42 is interposed between the fixing screw 4 and the through hole 32 to insulate the fixing screw 4 and the through hole 32 from each other. Place in contact.
- a plurality of capacitors 2 are fixed in a manner aligned vertically and horizontally with respect to the fixing surface 31 of the radiator 3.
- Each capacitor 2 is arranged so that the external terminal 231 on the positive electrode side and the external terminal 231 on the negative electrode side face each other in the rows and columns shown in FIG.
- the external terminals 231 having different polarities are connected to each other by a connection fitting 51. That is, in the present embodiment, each capacitor 2 is connected in series by the connection fitting 51.
- Each capacitor 2 is provided with a balance circuit 52 so as to straddle each external terminal 231.
- the balance circuit 52 regulates the voltage of the capacitor element 21 within a predetermined range. It is intended.
- a female screw hole (not shown) is provided at the upper end of the external terminal 231 of the capacitor 2, and the connection fitting 51 and the balance circuit are connected by a male screw (not shown) screwed into the female screw hole. 52 is installed.
- the side wall surface of each capacitor 2 is covered with a film made of an insulating material (for example, a synthetic resin material) to improve electrical insulation.
- an upper cover (cover) 61 is provided on the fixing surface (upper surface) 31 of the radiator 3.
- the upper force bar 61 has a shape covering all the capacitors 2 fixed to the fixing surface 31, and is formed of aluminum which is a light metal having a relatively high thermal conductivity.
- a lower cover (cover) 62 is provided on the lower surface of the radiator 3.
- the lower cover 62 has a shape that covers all the fixing screws 4 that pass through the lower surface of the heat radiating body 3, and has a relatively high thermal conductivity.
- the lower cover 62 is made of aluminum which is a light metal.
- the upper cover 61 and the lower cover 62 are fixed to the radiator 3 with screws (not shown) so as to sandwich the radiator 3 therebetween.
- the upper cover 61 and the lower cover 62 are not limited to the force described in the example of aluminum, and may be formed of other members.
- a controller 71 for controlling the capacitor 2 is fixed to the outer upper surface of the upper cover 61.
- the controller 71 is a control unit in which a controller, a power converter, a booster and the like are integrated.
- the controller performs charge / discharge control of the capacitor 2.
- the voltage conversion converts the DC power output from the capacitor 2 into AC power and supplies it to the assist motor 102A and the swing motor 102B, or converts the AC power output from the assist motor 102A and the swing motor 102B into DC power. This is to be converted to, and supplied to the capacitor 2.
- the booster boosts the voltage of the power output from the capacitor 2.
- a connector 73 is interposed in the electrical wiring 72 that connects the capacitor 2 and the controller 71. The connector 73 can be removed during maintenance of the capacitor 2 and the controller 71 described later to ensure the safety of maintenance work. Further, although not shown in the figure, the electric wiring 72 is provided with a fuse.
- a temperature sensor 9 that detects the external temperature of the capacitor 2 is connected to the controller of the controller 71.
- the temperature sensor 9 is located inside the upper cover 61 that covers the capacitor 2. It is a region, and is provided on the connection fitting 51 at a substantially central position of the aligned capacitors 2. That is, the controller 71 performs charge / discharge control of the capacitor 2 in accordance with the external temperature of the capacitor 2 detected by the temperature sensor 9 in the inner region of the upper cover 61. Specifically, when the external temperature of the capacitor 2 exceeds the preset temperature set by the controller 71, a warning is given, or the temperature rise is reduced by reducing the charge / discharge rate of the capacitor 2, or Stop charging / discharging of capacitor 2. Note that a plurality of temperature sensors 9 may be provided inside the upper cover 61. This allows the temperature sensor 9 to be calibrated, thereby improving the temperature detection accuracy.
- the cooling passage 33 passes through the lower side of each capacitor 2 aligned and fixed to the fixing surface 31 of the radiator 3 and avoids the through hole 32 and extends along the fixing surface 31 of the radiator 3.
- the cooling passage 33 has a plurality of parallel ends connected to each other, and the other end is separated into two sides, one of which is a water inlet 331 and the other is a water outlet 332. It is formed so as to open.
- the radiator 3 is divided into three parts: an extrusion molding part in which the cooling passage 33 is formed in parallel, and two machining parts in which each end side of the cooling passage 33 is formed. Each machined part is joined to the extruded part by welding. Further, the heat radiating body 3 may have an integral casing structure.
- Each end of the cooling pipe 83 is connected to the water inlet 331 and the water outlet 332 of the cooling passage 33.
- a pump 81 and a cooler (for example, a radiator) 82 are arranged in the cooling pipe 83. That is, the cooling water is circulated by the pump 81 via the cooling pipe 83 and the cooling passage 33, and the circulated cooling water is cooled by the cooler 82.
- the force described in the state where the capacitor 2 array is mounted in parallel with respect to the cooling passage 33 is not limited to this, and the capacitor 2 array is mounted in a state orthogonal to the cooling passage 33. Moyo.
- the cooling pipe 83 is provided via the controller 71. Further, the cooling pipe 83 is provided via the turning motor 102B. That is, the cooling water cooled by the cooler 82 by the pump 81 is passed through the cooling passage 33 of the radiator 3, the controller 71, and the turning motor 102B. Then, it is returned to the cooler 82 and circulated. Here, the cooling water having the lowest temperature cooled by the cooler 82 is first sent to the cooling passage 33 of the radiator 3 and then sent in the order of the controller 71 and the turning motor 102B.
- the cooling water with the lowest temperature is sent to the radiator 3 first, giving priority to the heat radiation of the capacitor 2 with the lowest heat resistant temperature, and then radiating heat from the controller 71 and the swing motor 102B in the order of the lowest heat resistant temperature.
- the cooling pipe 83 is disposed integrally with the electric wiring 72 between the water outlet 332 of the cooling passage 33 and the controller 71. For this reason, the piping space of the cooling pipe 83 and the wiring space of the electric wiring 72 are shared to save space.
- the heat radiating body 3 is attached to the hydraulic excavator (attached portion) 100 via the legs 10 that also have a vibration proof rubber force.
- the capacitor 2 described above is provided with the screw hole 222 for fixing the fixing surface 31 of the radiator 3 to the outer wall surface of the capacitor case 22 that accommodates the capacitor element 21.
- the capacitor 2 can be fixed to the fixing surface 31 with the fixing screw 4, so that it is reliable and durable even when used under conditions where extremely large vibrations are repeatedly applied, such as a hydraulic excavator (construction machine) 100. It is possible to secure the capacitor and fix the capacitor 2.
- the capacitor 2 described above is connected to the fixing surface 31 of the radiator 3 with respect to the outer bottom wall surface of the capacitor case 22 in which the external terminal 231 that houses the capacitor element 21 and is connected to the capacitor element 21 is disposed on the upper side.
- the screw hole 222 for fixing was provided.
- the bottom of the capacitor 2 with the external terminal 231 placed thereon can be fixed to the fixing surface 31 by the fixing screw 4, a plurality of capacitors 2 can be aligned and fixed to the fixing surface 31. .
- the capacitor module 1 can be made compact and small.
- the bottom wall portion (one wall) 221 of the capacitor case 22 is formed thicker than the wall thickness of the other wall, and a screw hole 222 is provided in the bottom wall portion 221.
- the screw hole is sufficiently deep, and it is possible to secure it on the fixed surface with further reliability and durability.
- a convex portion 243 may be formed on the bottom wall portion 241 of the capacitor case 24, and a screw hole 242 may be provided on the outer bottom wall surface of the convex portion 243.
- the convex portion 243 is formed in a non-circular columnar shape, when the capacitor 11 is fixed to the heat radiating body 3, the positioning of the direction of the electrode of the external terminal 231 is facilitated, and the capacitor module to which the capacitor 11 is applied. As a result, it is possible to improve the assembly of the capacitor 11 and to prevent the capacitor 11 from rotating when the fixing screw 4 is tightened.
- the capacitor 12 shown in FIG. 12 may be applied as the capacitor.
- a screw hole 252 is provided on the outer bottom wall surface of the bottom wall portion 251 of the capacitor case 25 included in the capacitor 12, and an engaging portion 253 that engages with the fixing surface 31 side of the radiator 3 is provided.
- the engaging portion 253 shown in FIG. 12 is provided as a concave portion.
- the engaging portion 253 is not limited to the concave portion shown in FIG. 12, and may be a convex portion.
- the engaged portion may be prepared on the fixed surface 31 in accordance with the form of the engaging portion 253.
- the engaging portion 253 is not limited to the position shown in FIG. 12, and may be provided at the edge portion of the outer bottom wall surface.
- a capacitor 13 having a screw hole 262 at a position away from the center of the outer bottom wall surface of the bottom wall portion 261 of the capacitor case 26 may be applied. Yes.
- the capacitor 13 is fixed to the heat radiating body 3, it is possible to facilitate the positioning of the direction of the electrode of the external terminal 231 and to improve the assembling property of the capacitor module to which the capacitor 13 is applied.
- a capacitor 14 in which a balance circuit 52 that regulates the voltage of the capacitor element 21 within a predetermined range may be used.
- a screw hole 272 is provided at the center of the outer bottom wall surface of the bottom wall portion 271 of the capacitor case 27.
- a male screw is inserted into a female screw hole (not shown) provided at the upper end of the external terminal 231. (Not shown), but if the balance circuit 52 is provided in the capacitor case 27 in advance, the work for mounting the balance circuit 52 is eliminated, so that the assembly of the capacitor module to which the capacitor 14 is applied is improved. It becomes possible.
- a plurality of screw holes may be provided in the force capacitor case shown in the drawing as a configuration in which one screw hole is provided in the capacitor case.
- the above-described manufacturing method of the capacitor 2 includes a bottomed cylindrical capacitor case in which an impact force is applied to the soft metal M loaded in the cavity 2011 of the outer mold 201 by the inner mold 202.
- the soft metal M is fluidized by the concave and convex portions including the first protrusion 2012 and the second protrusion 2013 provided on the inner bottom surface of the cavity 2011 of the outer mold 201.
- the bottom wall portion 221 of the capacitor case 22 is hardened by the above, and the screw hole 222 and the screw hole 222 are formed by forming the screw hole 222 on the outer bottom wall surface of the capacitor case 22 that has been processed and hardened. The strength of can be increased.
- the capacitor module 1 described above includes a capacitor 2 having a screw hole 222 for fixing to the outer wall surface of the capacitor case 22 that accommodates the capacitor element 21, and a fixing screw 4 screwed into the screw hole 222 of the capacitor case 22.
- the heat sink 3 is provided with a plurality of capacitors 2 fixed together.
- the screwing of the fixing screw 4 into the screw hole 222 improves the adhesion of the outer bottom wall surface of the capacitor case 22 to the fixing surface 31 of the radiator 3, so that the heat generated by the capacitor 2 is transferred to the radiator 3. It is possible to dissipate heat of the capacitor 2 by appropriately communicating. In other words, it is possible to obtain a heat dissipation structure suitable for the rise in the internal temperature of the capacitor 2.
- the capacitor 2 is external to the upper part of the capacitor case 22.
- a terminal 231 is arranged, and a screw hole 222 is formed on the outer bottom wall surface of the capacitor case 22.
- the bottom of the capacitor case 22 with the external terminal 231 placed on the top can be fixed to the fixing surface 31 of the radiator 3 with the fixing screw 4, so that a plurality of capacitors 2 are aligned and fixed to the fixing surface 31 This makes it possible to reduce the size of the module.
- the capacitor module 1 is provided in the cross section of the heat radiating body 3, and passes a cooling passage 33 through which cooling water (cooling medium) flows, a cooler 82 for cooling the cooling water, and a cooling water cooler. And a pump 81 that leads from 82 to the cooling passage 33.
- the heat dissipation of the capacitor 2 can be further promoted by the cooling water.
- a more suitable heat dissipation structure can be obtained as the internal temperature of the capacitor 2 increases.
- the heat radiating body 3 is formed of a metal material, and a sheet material 41, which is an insulating material, is interposed between the outer bottom wall surface of the capacitor 2 and the fixing surface 31 of the heat radiating body 3.
- an interposing material 42 such as an insulating material is interposed between the fixing screw 4 and the radiator 3.
- the capacitor module 1 covers the capacitor 2 and the fixing screw 4 with upper and lower covers (force bars) 61 and 62. As a result, a drip-proof structure and a dust-proof structure for the capacitor 2 can be obtained.
- the capacitor module 1 is provided with a temperature sensor 9 for detecting the temperature of the capacitor 2 inside the upper force bar 61, and performs charge / discharge control of each capacitor 2 according to the temperature detected by the temperature sensor 9.
- a controller 71 is attached to the outside of the upper cover 61. As a result, it is possible to control the capacitor 2 according to heat generation, and it is possible to improve the safety of the capacitor module 1. Further, by attaching the controller 71 for controlling the capacitor 2 to the outside of the cover, the capacitor module 1 including the controller 71 can be obtained. That is, for example, the capacitor module 1 can be mounted together with the controller 71 on a construction machine or the like.
- the capacitor module 1 is provided with a booster that boosts the output voltage of the capacitor 2. As a result, the capacitance “number” charge / discharge voltage of the capacitor 2 is reduced and the capacitor module is reduced. This makes it possible to save space in the first rule. That is, for example, the capacitor module 1 can be mounted in an empty space without changing the appearance of the hydraulic excavator (construction machine) 100.
- the capacitor module 1 is provided with a leg 10 having a vibration-proof rubber force on the radiator 3.
- Capacitor module 1 can be installed with good performance and durability.
- FIG. 15 is a conceptual diagram showing another form of the capacitor module.
- the capacitor module 15 shown in FIG. 15 has a configuration in which a sheet material 53 that also serves as an insulating material is interposed between an upper cover 61 and a connection fitting 51.
- the connection fitting 51 is formed of a metal material (for example, aluminum) having a relatively high thermal conductivity.
- a capacitor 14 (see FIG. 14) having a balance circuit 52 provided in the capacitor case 27 is applied. It is.
- the balance circuit 52 may be provided outside the connection case 51 outside the capacitor case 27.
- the capacitor module 15 configured in this manner dissipates the heat generated by the capacitor 14 from the connection fitting 51 through the upper cover 61, so that the heat dissipation performance of the capacitor 14 can be improved.
- the present invention is suitable for a construction machine to which very large vibrations are repeatedly applied.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Inverter Devices (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0818772A GB2450826B (en) | 2006-04-27 | 2007-04-27 | Capacitor module |
JP2008513309A JP4837730B2 (ja) | 2006-04-27 | 2007-04-27 | キャパシタモジュール |
US12/226,617 US8149567B2 (en) | 2006-04-27 | 2007-04-27 | Capacitor module |
CN2007800149438A CN101432829B (zh) | 2006-04-27 | 2007-04-27 | 电容器模块 |
DE112007000991T DE112007000991B4 (de) | 2006-04-27 | 2007-04-27 | Kondensatormodul |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006123765 | 2006-04-27 | ||
JP2006-123765 | 2006-04-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007126082A1 true WO2007126082A1 (ja) | 2007-11-08 |
Family
ID=38655602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/059248 WO2007126082A1 (ja) | 2006-04-27 | 2007-04-27 | キャパシタモジュール |
Country Status (7)
Country | Link |
---|---|
US (1) | US8149567B2 (ja) |
JP (1) | JP4837730B2 (ja) |
KR (1) | KR101015080B1 (ja) |
CN (1) | CN101432829B (ja) |
DE (1) | DE112007000991B4 (ja) |
GB (1) | GB2450826B (ja) |
WO (1) | WO2007126082A1 (ja) |
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JP2009193985A (ja) * | 2008-02-12 | 2009-08-27 | Nichicon Corp | ネジ端子形電子部品およびその固定構造 |
WO2009119235A1 (ja) * | 2008-03-25 | 2009-10-01 | 株式会社小松製作所 | キャパシタモジュール |
WO2012102108A1 (ja) * | 2011-01-26 | 2012-08-02 | 住友重機械工業株式会社 | ショベル |
CN104064351A (zh) * | 2013-03-20 | 2014-09-24 | 株式会社电装 | 具有温度传感器的电容器模块 |
JP2018538773A (ja) * | 2015-11-26 | 2018-12-27 | ザップゴー リミテッド | 携帯型電子機器 |
JP2020526035A (ja) * | 2017-06-30 | 2020-08-27 | エイブイエックス コーポレイション | ウルトラキャパシタモジュールのための平衡回路からの熱放散 |
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DE102008046324A1 (de) | 2008-08-29 | 2010-04-01 | Stribel Production Gmbh | Spannungsversorgung |
DE102008056962A1 (de) | 2008-11-03 | 2010-05-06 | Stribel Production Gmbh | System zur Überwachung von Kondensatorzellen |
DE102008062657A1 (de) * | 2008-12-04 | 2010-06-10 | Stribel Production Gmbh | Energiespeichereinrichtung |
CN101840779B (zh) * | 2010-05-13 | 2011-08-24 | 安徽铜峰电子股份有限公司 | 油浸式水冷大功率电力电子电容器 |
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EP2456040A1 (de) | 2010-11-19 | 2012-05-23 | Flextronic Int.Kft | Schaltung zum Speichern elektrischer Energie |
KR101718167B1 (ko) * | 2010-12-24 | 2017-03-21 | 두산인프라코어 주식회사 | 에너지 저장 장치 및 이를 사용하는 건설 기계 |
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KR20120093620A (ko) * | 2011-02-15 | 2012-08-23 | 삼성전기주식회사 | 캐패시터 모듈 |
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US9727511B2 (en) | 2011-12-30 | 2017-08-08 | Bedrock Automation Platforms Inc. | Input/output module with multi-channel switching capability |
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JP6421601B2 (ja) * | 2015-01-08 | 2018-11-14 | 株式会社オートネットワーク技術研究所 | キャパシタモジュール |
JP6347768B2 (ja) * | 2015-01-22 | 2018-06-27 | カルソニックカンセイ株式会社 | コンデンサ構造 |
KR102217985B1 (ko) * | 2015-07-17 | 2021-02-19 | 엘에스엠트론 주식회사 | 승압기 일체형 울트라 커패시터 모듈 |
CN109155195B (zh) * | 2016-05-25 | 2020-10-30 | 松下知识产权经营株式会社 | 电容器 |
CN106024418B (zh) * | 2016-08-09 | 2018-11-20 | 上海展枭新能源科技有限公司 | 一种锂离子电容器模组 |
DE102016223256A1 (de) | 2016-11-24 | 2018-05-24 | Robert Bosch Gmbh | Kondensator, insbesondere Zwischenkreiskondensator für ein Mehrphasensystem |
CN109490671A (zh) * | 2018-12-05 | 2019-03-19 | 格力电器(武汉)有限公司 | 一种电容器耐久性试验测试装置 |
US11239521B2 (en) * | 2019-04-22 | 2022-02-01 | Transportation Ip Holdings, Llc | Electrical power delivery system with a support structure |
DE102021210521A1 (de) | 2021-09-22 | 2023-03-23 | Zf Friedrichshafen Ag | Kondensatoreinheit für eine Leistungselektronik sowie Leistungselektronikanordnung mit der Kondensatoreinheit |
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- 2007-04-27 CN CN2007800149438A patent/CN101432829B/zh not_active Expired - Fee Related
- 2007-04-27 US US12/226,617 patent/US8149567B2/en not_active Expired - Fee Related
- 2007-04-27 KR KR1020087026095A patent/KR101015080B1/ko not_active IP Right Cessation
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Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009193985A (ja) * | 2008-02-12 | 2009-08-27 | Nichicon Corp | ネジ端子形電子部品およびその固定構造 |
WO2009119235A1 (ja) * | 2008-03-25 | 2009-10-01 | 株式会社小松製作所 | キャパシタモジュール |
JP2009231749A (ja) * | 2008-03-25 | 2009-10-08 | Komatsu Ltd | キャパシタモジュール |
DE112009000653T5 (de) | 2008-03-25 | 2011-02-17 | Komatsu Ltd. | Kondensatormodul |
JPWO2012102108A1 (ja) * | 2011-01-26 | 2014-06-30 | 住友重機械工業株式会社 | ショベル |
CN103339326A (zh) * | 2011-01-26 | 2013-10-02 | 住友重机械工业株式会社 | 挖土机 |
WO2012102108A1 (ja) * | 2011-01-26 | 2012-08-02 | 住友重機械工業株式会社 | ショベル |
CN103339326B (zh) * | 2011-01-26 | 2016-03-16 | 住友重机械工业株式会社 | 挖土机 |
JP5968228B2 (ja) * | 2011-01-26 | 2016-08-10 | 住友重機械工業株式会社 | ショベル |
US9657457B2 (en) | 2011-01-26 | 2017-05-23 | Sumitomo Heavy Industries, Ltd. | Shovel |
CN104064351A (zh) * | 2013-03-20 | 2014-09-24 | 株式会社电装 | 具有温度传感器的电容器模块 |
JP2018538773A (ja) * | 2015-11-26 | 2018-12-27 | ザップゴー リミテッド | 携帯型電子機器 |
JP2020526035A (ja) * | 2017-06-30 | 2020-08-27 | エイブイエックス コーポレイション | ウルトラキャパシタモジュールのための平衡回路からの熱放散 |
JP7209650B2 (ja) | 2017-06-30 | 2023-01-20 | キョーセラ・エイブイエックス・コンポーネンツ・コーポレーション | ウルトラキャパシタモジュールのための平衡回路からの熱放散 |
Also Published As
Publication number | Publication date |
---|---|
US8149567B2 (en) | 2012-04-03 |
GB0818772D0 (en) | 2008-11-19 |
JP4837730B2 (ja) | 2011-12-14 |
KR101015080B1 (ko) | 2011-02-16 |
GB2450826A (en) | 2009-01-07 |
GB2450826B (en) | 2011-10-26 |
DE112007000991T5 (de) | 2009-03-12 |
JPWO2007126082A1 (ja) | 2009-09-10 |
CN101432829B (zh) | 2013-05-08 |
KR20080111505A (ko) | 2008-12-23 |
US20100060243A1 (en) | 2010-03-11 |
CN101432829A (zh) | 2009-05-13 |
DE112007000991B4 (de) | 2010-10-21 |
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