CN110739862A - Power module of charger - Google Patents
Power module of charger Download PDFInfo
- Publication number
- CN110739862A CN110739862A CN201810801621.8A CN201810801621A CN110739862A CN 110739862 A CN110739862 A CN 110739862A CN 201810801621 A CN201810801621 A CN 201810801621A CN 110739862 A CN110739862 A CN 110739862A
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- Prior art keywords
- module
- power module
- charger power
- busbar
- capacitor
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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
- H05K7/209—Heat transfer by conduction from internal heat source to heat radiating structure
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides charger power modules which comprise a radiator, an inversion module, a th bus bar, an isolation module, a second bus bar and a rectification module, wherein the radiator comprises a base plate and radiating fins, the inversion module, the isolation module and the rectification module are fixed on the base plate, the inversion module is connected with the isolation module through a th bus bar, the rectification module is connected with the isolation module through the second bus bar, stray inductance in a circuit is reduced, and quality of direct current output by the charger power module is improved.
Description
Technical Field
The invention relates to the technical field of charger converters, in particular to charger power modules.
Background
Compared with other public transportation, the urban rail transit has the advantages of large running energy, low energy consumption, small pollution, land occupation saving and the like, and is intensive transportation modes which accord with the development of modern cities.
The charger power module is used for converting 380V three-phase alternating current output by the auxiliary converter into 10V or 24V high-quality direct current; or the input electricity of the 1500V or 750V direct current bus is converted into high-quality direct current of 110V or 24V. The main elements of the charger power module comprise a high-frequency transformer, a filter reactor, a front-end inversion module, a rear-end rectification module and the like. In the charger power module in the prior art, the elements are connected with each other by copper bars.
However, the stray inductance inside the power module is increased by the copper bar connection mode, and the quality of the direct current output by the power module of the charger is not high.
Disclosure of Invention
The invention provides charger power modules, which are used for improving the quality of direct current output by the charger power modules.
The invention provides kinds of charger power module, including:
the device comprises a radiator, an inversion module, an th bus bar, an isolation module, a second bus bar and a rectification module;
the heat radiator comprises a substrate and heat radiating fins, the inversion module, the isolation module and the rectification module are fixed on the substrate, the inversion module is connected with the isolation module through an th busbar, and the rectification module is connected with the isolation module through a second busbar.
Optionally, the charger power module further includes: a three-phase rectifier bridge;
the three-phase rectifier bridge is fixed on the substrate and connected with the inverter module through the th busbar, and the three-phase rectifier bridge is used for converting alternating current into direct current and inputting the direct current to the inverter module through the th busbar.
Optionally, the charger power module further includes: a cube frame;
the square body frame is matched with the base plate in size, and square spaces are enclosed by the square body frame and the base plate and are used for accommodating the inverter module, the th bus bar, the isolation module, the second bus bar and the rectification module;
the inversion module includes: the driving circuit comprises edge gate bipolar transistors IGBT, a driving board main board and a driving board auxiliary board; the IGBT and the driving board auxiliary board are fixed on the substrate; the driving board main board is fixed on the side face of the square frame and is connected with the IGBT through the driving board auxiliary board.
Optionally, the charger power module further includes: a surge capacitor absorption plate;
the surge capacitor absorption plate is detachably connected with the IGBT through the th busbar and is used for absorbing a surge capacitor of an IGBT working peak.
Optionally, the charger power module further includes: a support capacitor and a blocking capacitor;
the support capacitor is a cylindrical dry-type thin film support capacitor and is connected with the IGBT through the th busbar, the support capacitor is used for maintaining the voltage of the direct current input side of the IGBT, the blocking capacitor is connected with the IGBT through the th busbar and is connected with the isolation module through the th busbar, and the blocking capacitor is used for blocking the direct current component output by the inverter module.
Optionally, the charger power module further includes: diode absorption plate and absorption resistor;
the diode absorption plate is detachably connected with the rectifying module through the second busbar; the absorption resistor is fixed on the substrate and connected with the diode absorption plate, and the diode absorption plate and the absorption resistor are used for filtering the rectifying module.
Optionally, the charger power module further includes: the current sensor, the switching copper bar and the power cable pass through a wall sleeve;
the current sensor is connected with the output end of the rectifying module through the second busbar, and the current sensor is exposed outside the power module of the charger through the switching copper bar and the power cable wall bushing.
Optionally, the charger power module further comprises an th voltage sensor and a second voltage sensor;
the th voltage sensor is connected to the access bus of the inversion module and used for detecting the voltage on the access bus of the inversion module, and the second voltage sensor is connected to the access bus of the rectification module and used for detecting the voltage on the access bus of the rectification module.
Optionally, the charger power module further includes: a temperature sensor and a temperature relay;
the temperature sensor and the temperature relay are fixed on the substrate, and the temperature sensor is used for detecting the temperature in the radiator; and the temperature relay is connected with the temperature sensor and used for turning off the power supply of the charger power module when the radiator is overheated.
Optionally, the charger power module further includes: a control line connector;
the control line connector is arranged at the top of the square frame and used for transmitting signals detected by the current sensor, the th voltage sensor, the second pressure sensor and the temperature sensor to a control cabinet.
According to the charger power module, the radiator, the inversion module, the th bus bar, the isolation module, the second bus bar and the rectification module are arranged, the base plate and the radiating fins are arranged in the radiator, the inversion module, the isolation module and the rectification module are fixed on the base plate, the inversion module is connected with the isolation module through the th bus bar, and the rectification module is connected with the isolation module through the second bus bar, so that stray inductance in a circuit is reduced, and the quality of direct current output by the charger power module is improved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a charger power module provided by the present invention;
fig. 2 is a schematic view of another structure of an embodiment of the charger power module provided by the present invention;
fig. 3 is a schematic structural diagram of a second embodiment of the charger power module provided by the present invention;
fig. 4a is a schematic structural diagram of a third embodiment of a charger power module provided in the present invention;
fig. 4b is a schematic structural diagram of another of the third embodiment of the charger power module provided by the present invention;
fig. 5a is a schematic structural diagram of a fourth embodiment of a charger power module provided by the present invention;
fig. 5b is a schematic structural diagram of another according to a fourth embodiment of the charger power module provided by the present invention;
fig. 5c is a structural schematic diagram of another of the fourth embodiment of the charger power module provided by the present invention;
fig. 6a is a schematic structural diagram of a fifth embodiment of a charger power module provided by the present invention;
fig. 6b is a schematic structural diagram of another of a fifth embodiment of the charger power module provided by the present invention;
fig. 6c is a structural schematic diagram of another according to a fifth embodiment of the charger power module provided by the present invention.
Description of reference numerals:
10: a heat sink;
101: a substrate;
102: a heat dissipating fin;
11: an inversion module;
th bus bar;
13: an isolation module;
14: a second busbar;
15: a rectification module;
16: a three-phase rectifier bridge;
17: a cube frame;
18: a gate-edge bipolar transistor IGBT; 19: a drive board main board;
20: a drive plate auxiliary plate;
21, a drive plate adapter plate;
22, a drive plate mounting box;
23: a surge capacitor absorption plate;
24: a support capacitor;
25: a blocking capacitor;
26: a capacitive chuck;
27: a long screw;
28: a capacitor mounting plate;
29: a discharge resistor;
30: a diode absorption plate;
31: an absorption resistance;
32: a current sensor;
33: transferring copper bars;
34: a power cable passes through a wall sleeve;
th voltage sensor;
36: a second voltage sensor;
37: a control line connector;
38: a temperature sensor;
39: a temperature relay.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" shall be construed , for example, as being fixedly connected, detachably connected, or in a body, mechanically connected, electrically connected or communicable with each other, directly connected, or indirectly connected through an intermediary.
The charger power module can convert 380V three-phase alternating current output by the auxiliary converter into 10V or 24V high-quality direct current; or the input electricity of the 1500V or 750V direct current bus is converted into high-quality direct current of 110V or 24V; the vehicle-mounted power supply system is not only responsible for charging a vehicle-mounted storage battery, but also needs to provide electric energy for direct-current electric equipment such as a control system, a lighting system, an air compressor, vehicle-mounted signals and communication equipment. The main elements of the charger power module comprise a high-frequency transformer, a filter reactor, a front-end inversion module, a rear-end rectification module and the like. In the prior art, a high-frequency transformer and a filter reactor are in an independent state, and elements contained in a charger power module are connected by adopting a copper bar.
However, when the high-frequency transformer and the filter reactor are in an independent state, the space occupied by the high-frequency transformer and the space occupied by the high-frequency transformer occupy a charger power module, the wiring between the high-frequency transformer and the filter reactor is inconvenient, and the stray inductance in the power module is increased due to the adoption of copper bar connection among elements contained in the charger power module, so that the quality of the direct current output by the charger power module is low.
The following describes the technical solution of the present invention and how to solve the above technical problems with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present invention will be described below with reference to the accompanying drawings.
Fig. 1 is a schematic perspective view of an embodiment of the charger power module provided by the present invention, fig. 2 is a schematic perspective view of another of an embodiment of the charger power module provided by the present invention, and as shown in fig. 1 and fig. 2, the charger power module provided by the present invention includes a heat sink 10, an inverter module 11, a th bus bar 12, an isolation module 13, a second bus bar 14, and a rectifier module 15, wherein the heat sink 10 includes a substrate 101 and heat dissipation fins 102, the inverter module 11, the isolation module 13, and the rectifier module 15 are fixed on the substrate 101, the inverter module 11 is connected to the isolation module 13 through the th bus bar 12, and the rectifier module 15 is connected to the isolation module 13 through the second bus bar 14.
Optionally, the heat sink 10 may be an aluminum substrate profile; the base plate 101 of the heat sink 10 is used for fixing each component in the charger power module, and the heat dissipation fins 102 are used for dissipating heat generated by each component in the charger power module.
The inverter module 11 is fixed on a substrate 101 of the radiator 10 and used for converting input direct current into alternating current, the inverter module 11 is connected with an isolation module 13 through a bus bar 12 and inputting the converted alternating current into the isolation module 13 through a bus bar 12, the isolation module 13 is fixed on the substrate 101 and comprises a high-frequency transformer and a filter reactor, the high-frequency transformer and the filter reactor are integrated in a body, the alternating current is input into a rectifier module 15 through a second bus bar 14 after being acted by the isolation module 13, the rectifier module 15 is fixed on the substrate 101 and integrates the input alternating current into direct current for outputting and supplying power to external equipment, and the rectifier module 15 is connected with the isolation module 13 through a bus bar 12 because the high-frequency transformer and the filter reactor in the isolation module 13 are integrated with a body, so that space in a power module of a charger is saved, wiring complexity between the high-frequency transformer and the filter reactor is reduced.
Alternatively, the inverter module 11 in fig. 1 is only illustrated schematically, and the inverter module 11 may be any device capable of converting direct current power connected to the inverter module 11 into alternating current power.
According to the charger power module provided by the embodiment, the radiator, the inversion module, the th bus bar, the isolation module, the second bus bar and the rectification module are arranged, the base plate and the radiating fins are arranged in the radiator, the inversion module, the isolation module and the rectification module are fixed on the base plate, the inversion module is connected with the isolation module through the th bus bar, and the rectification module is connected with the isolation module through the second bus bar, so that stray inductance in a circuit is reduced, and the quality of direct current output by the charger power module is improved.
Fig. 3 is a schematic structural diagram of a second embodiment of the charger power module according to the present invention, in order to convert an input ac into a dc before the inverter module 11 performs inversion, on the basis of the above embodiment, the charger power module further includes a three-phase rectifier bridge 16, where the three-phase rectifier bridge 16 is fixed on the substrate 101 and connected to the inverter module 11 through the th bus bar 12, and the three-phase rectifier bridge 16 is configured to convert an ac into a dc and input the dc into the inverter module 11 through the th bus bar 12.
The alternating current input into the charger power module is introduced into the three-phase rectifier bridge 16 through the external wiring terminal, and is connected to the input end of the inverter module 11 through the direct current output end of the three-phase rectifier bridge 16 after the rectification action of the three-phase rectifier bridge 16, and is converted into high-quality direct current output through the actions of the inverter module 11, the rectifier module 15 and the like in step , so that the three-phase rectifier bridge 16 can convert the alternating current input into the charger power module into direct current firstly, and then the direct current is converted into high-quality direct current required by external equipment through the actions of other elements, the utilization rate of the charger power module is improved, meanwhile, the direct current output end of the three-phase rectifier bridge 16 is connected with the input end of the inverter module 11 through the bus bar 12, and the complexity of connection between the three-.
It should be noted that: when the current input into the charger power module is direct current, the direct current input power can be directly connected to the direct current output point of the three-phase rectifier bridge; therefore, the charger power module provided by the embodiment can convert the accessed alternating current into high-quality direct current required by external equipment for output, and can also convert the direct current into high-quality direct current required by the external equipment for output; that is, the charger power module provided by this embodiment can support the input power in two modes, i.e., direct current and alternating current.
According to the charger power module provided by the embodiment, the three-phase rectifier bridge is arranged and fixed on the base plate, and the three-phase rectifier bridge is connected with the inverter module through the th bus bar, so that alternating current input into the charger power module can be firstly converted into direct current by the three-phase rectifier bridge, and then converted into high-quality direct current required by external equipment through the action of other elements, the utilization rate of the charger power module is improved, meanwhile, the direct current output end of the three-phase rectifier bridge is connected with the input end of the inverter module through the th bus bar, and the complexity of connection between the three-phase rectifier bridge and the inverter module can be reduced.
Fig. 4a is a schematic structural diagram of a third embodiment of the charger power module, and in order to facilitate arrangement of elements in the charger power module, as shown in fig. 4a, on the basis of the third embodiment, the charger power module further includes a square frame 17, where the size of the square frame 17 is matched with that of the substrate 101, and the square frame 17 and the substrate 101 enclose square spaces for accommodating the inverter module 11, the bus bar 12, the isolation module 13, the second bus bar 14, and the rectifier module 15;
optionally, the size of the square frame 17 may be set according to the specific size of each element in the charger power module; the frame is arranged to be a square body, so that the arrangement of elements in the charger power module is more compact, and the size of the whole charger power module is reduced.
Fig. 4b is another schematic structural diagram of a third embodiment of the charger power module provided by the present invention, and as realizable modes of the inverter module 11, referring to fig. 4b, the charger power module in the present embodiment includes an edge gate bipolar transistor IGBT18, a driving board main board 19, and a driving board auxiliary board 20, the IGBT18 and the driving board auxiliary board 20 are fixed on the substrate 101, and the driving board main board 19 is fixed on the side surface of the square frame 17 and connected to the IGBT18 through the driving board auxiliary board 20.
With reference to fig. 4b, in order to make the installation of the driving board main board 19 more firm, on the basis of the foregoing embodiment, the charger power module provided in this embodiment may further include: a drive plate adapter plate 21 and a drive plate mounting box 22;
the driving board mounting box 22 is used for mounting the driving board main board 19, and the driving board adapter board 21 is used for connecting the driving board mounting box 22 with the side surface of the square frame 17; optionally, the drive plate mounting box 22, the drive plate adapter plate 21 and the side surface of the square frame 17 may be fixed by a threaded connection; the driving board main board 19 is installed in the driving board installation box 22, so that the installation of the driving board main board 19 is more stable; and the drive plate mounting box 22, the drive plate adapter plate 21 and the side surface of the square frame 17 are detachably connected, so that the drive plate main plate 19 can be taken down more conveniently when the drive plate main plate 19 needs to be maintained.
In order to absorb the surge capacitor of the operating peak of the IGBT18, as shown in fig. 4b, the charger power module provided by this embodiment may further include a surge capacitor absorption plate 23, where the surge capacitor absorption plate 23 is detachably connected to the IGBT18 through the th bus bar 12, and the surge capacitor absorption plate 23 is configured to absorb the surge capacitor of the operating peak of the IGBT 18.
The charger power module provided by the embodiment can enable elements in the charger power module to be arranged more compactly by arranging the square frame, so that the size of the whole charger power module is reduced, meanwhile, the drive board transfer board and the drive board mounting box are arranged, so that the drive board main board is mounted more stably, the drive board mounting box, the drive board transfer board and the side face of the square frame are detachably connected, when the drive board main board needs to be maintained, the drive board main board is more conveniently taken down, meanwhile, the surge capacitor absorption board is arranged, and the surge capacitor absorption board is detachably connected with the IGBT through the th busbar, so that the surge capacitor of the IGBT working peak can be absorbed, and the safety of the IGBT is enhanced.
Fig. 5a is a schematic structural diagram of a fourth embodiment of the charger power module provided by the present invention, as shown in fig. 5a, the charger power module further includes a supporting capacitor 24 and a dc blocking capacitor 25, the supporting capacitor 24 is a cylindrical dry-type thin film supporting capacitor 24, the supporting capacitor 24 is connected to the IGBT18 through the bus bar 12, the supporting capacitor 24 is used for voltage holding at the dc input side of the IGBT18, the dc blocking capacitor 25 is connected to the IGBT18 through the bus bar 12 and is connected to the isolation module 13 through the bus bar 12, and the dc blocking capacitor 25 is used for blocking a dc component output by the inverter module 11.
The support capacitor 24 is a cylindrical dry film support capacitor 24, so that the flexibility is higher compared with an -type cast capacitor, and the support capacitor 24 is fixed at a vacant position above the IGBT18 and arranged in parallel with the IGBT18, so that the internal space of a power module of the charger is saved.
Fig. 5b is another schematic structural diagram of a fourth embodiment of the charger power module provided by the present invention, and in order to clamp and fix the supporting capacitor 24, referring to fig. 5b, the charger power module provided by the present embodiment further includes a capacitor chuck 26, a long screw 27, and a capacitor mounting plate 28;
the end of the supporting capacitor 24 is mounted in the capacitor chuck 26, the capacitor chuck 26 is detachably fixed on the th busbar 12, the other end of the supporting capacitor 24 is connected with the capacitor mounting plate 28, the capacitor mounting plate 28 is fixed on the side face of the square frame 17, the long screws 27 are arranged between the capacitor chuck 26 and the capacitor mounting plate 28 in parallel, the number of the long screws 27 is multiple, and the long screws 27 can fasten the supporting capacitor 24 between the th busbar 12 and the side face of the square frame 17, so that the stability of the supporting capacitor 24 is improved.
Fig. 5c is a structural schematic view of another of the fourth embodiment of the charger power module provided by the present invention, and in order to discharge the electric quantity discharged from the dc blocking capacitor 25, referring to fig. 5c, the charger power module provided by the present embodiment further includes a discharge resistor 29, where the discharge resistor 29 is fixed on the substrate 101, and is connected to the dc blocking capacitor 25 through a th bus bar 12, and is used for discharging the electric quantity stored in the dc blocking capacitor 25 after shutdown.
The blocking capacitor 25 is disposed on a side surface of the square frame 17, and optionally, the blocking capacitor 25 is connected to the isolation module 13 through the th busbar 12, so as to block a dc component output by the inverter module 11.
The charger power module that this embodiment provided is through setting up support capacitor to establish support capacitor to the dry film support capacitor of drum type, compare in style pouring electric capacity, the flexibility is higher, simultaneously, through setting up electric capacity chuck, long screw rod and electric capacity mounting panel, increased support capacitor's stability.
Fig. 6a is a schematic structural diagram of a fifth embodiment of the charger power module provided by the present invention, and in order to filter the rectifying module 15, as shown in fig. 6a, on the basis of the foregoing embodiment, the charger power module provided by the present embodiment further includes: diode absorption plate 30 and absorption resistor 31; the diode absorption plate 30 is detachably connected with the rectifier module 15 through the second busbar 14; the absorption resistor 31 is fixed on the substrate 101 and connected to the diode absorption plate 30, and the diode absorption plate 30 and the absorption resistor 31 are used for filtering the rectifier module 15.
Alternatively, the rectifying module 15 may be a rectifying circuit composed of diodes; the diode absorption plate 30 is connected with the rectifying circuit through the second bus bar 14, and the absorption resistor 31 is also connected with the diode absorption plate 30 through the second bus bar 14; the diode absorption plate 30 and the absorption resistor 31 are used in cooperation, so that interference signals in the rectifying circuit can be filtered, and the quality of the output current of the rectifying module 15 is enhanced.
Fig. 6b is another schematic structural diagram of a fifth embodiment of the charger power module according to the present invention, and in order to detect the magnitude of the current output by the charger power module, as shown in fig. 6b, the charger power module according to the present embodiment further includes a current sensor 32, a through copper bar 33, and an electric power cable wall bushing 34, where the current sensor 32 is connected to the output end of the rectifying module 15 through the second busbar 14, and the current sensor 32 is exposed outside the charger power module through the through copper bar 33 and the electric power cable wall bushing 34.
The current sensor 32 is connected to the output end of the rectifier module 15, the end of the switching copper bar 33 is connected with the current sensor 32, the other end of the switching copper bar 33 is connected with the power cable wall bushing 34, the power cable wall bushing 34 is fixed on side faces of the square frame 17, the current sensor 32 exposes the wiring point outside the charger power module through the power cable wall bushing 34, and the current sensor 32 can detect the current at the output end of the rectifier module 15, so that a user can judge whether the circuit is normal according to the current detected by the current sensor 32.
Optionally, in order to detect the voltage on the access bus of the inverter module 11 and the voltage on the output bus of the rectifier module 15, with reference to fig. 6b, the charger power module provided in this embodiment further includes an -th voltage sensor 35 and a second voltage sensor 36, where the -th voltage sensor 35 is connected to the access bus of the inverter module 11 and is configured to detect the voltage on the access bus of the inverter module 11, and the second voltage sensor 36 is connected to the output bus of the rectifier module 15 and is configured to detect the voltage on the output bus of the rectifier module 15, and the -th voltage sensor 35 and the second voltage sensor 36 have a smaller volume and occupy a smaller space, and are more conveniently integrated inside the charger power module.
Alternatively, the voltage sensor 35 and the second voltage sensor 36 may be electromagnetic induction type sensors, or may also be capacitive voltage division type sensors, which is not limited in the present invention.
Optionally, in order to detect the temperature inside the heat sink 10, referring to fig. 6a, the charger power module provided in this embodiment further includes: a temperature sensor 38; the temperature sensor 38 is fixed on the substrate 101, and is used for detecting the temperature in the heat sink 10.
Fig. 6c is a structural schematic view of another of the fifth embodiment of the charger power module provided by the present invention, and in order to prevent the influence on each element when the heat sink 10 is overheated, as shown in fig. 6c, a temperature relay 39 may be further disposed in the charger power module, and the temperature sensor 38 and the temperature relay 39 are used in cooperation to perform relay protection when the heat sink 10 is overheated.
Optionally, in order to transmit the information detected by the current sensor 32, the th voltage sensor 35, the second voltage sensor 36 and the temperature sensor to the control chassis, referring to fig. 6b, the charger power module provided in this embodiment further includes a control line connector 37, where the control line connector 37 is disposed at the top of the square frame 17 and is used to transmit the signals detected by the current sensor, the th voltage sensor, the second voltage sensor and the temperature sensor to the control chassis.
The charger power module provided by the embodiment can filter interference signals in the rectifier module by arranging the diode absorption plate and the absorption resistor, so that the quality of current output by the rectifier module is enhanced, meanwhile, a user can detect the current at the output end of the rectifier module by arranging the current sensor, meanwhile, the th voltage sensor and the second voltage sensor can detect the voltage on an access bus of the inverter module and the voltage on an output bus of the rectifier module, meanwhile, the temperature in the radiator can be detected by arranging the temperature sensor and the temperature relay, and relay protection is carried out when the radiator is overheated, meanwhile, signals detected by the current sensor, the th voltage sensor, the second voltage sensor and the temperature sensor can be transmitted to the control cabinet by arranging the control line connector.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1, charger power module, its characterized in that includes:
the device comprises a radiator, an inversion module, an th bus bar, an isolation module, a second bus bar and a rectification module;
the heat radiator comprises a substrate and heat radiating fins, the inversion module, the isolation module and the rectification module are fixed on the substrate, the inversion module is connected with the isolation module through an th busbar, and the rectification module is connected with the isolation module through a second busbar.
2. The charger power module of claim 1, further comprising: a three-phase rectifier bridge;
the three-phase rectifier bridge is fixed on the substrate and connected with the inverter module through the th busbar, and the three-phase rectifier bridge is used for converting alternating current into direct current and inputting the direct current to the inverter module through the th busbar.
3. The charger power module of claim 1, further comprising: a cube frame;
the square body frame is matched with the base plate in size, and square spaces are enclosed by the square body frame and the base plate and are used for accommodating the inverter module, the th bus bar, the isolation module, the second bus bar and the rectification module;
the inversion module includes: the driving circuit comprises edge gate bipolar transistors IGBT, a driving board main board and a driving board auxiliary board; the IGBT and the driving board auxiliary board are fixed on the substrate; the driving board main board is fixed on the side face of the square frame and is connected with the IGBT through the driving board auxiliary board.
4. The charger power module according to claim 3, wherein said inverter module further comprises: a surge capacitor absorption plate;
the surge capacitor absorption plate is detachably connected with the IGBT through the th busbar and is used for absorbing a surge capacitor of an IGBT working peak.
5. The charger power module of claim 3, further comprising: a support capacitor and a blocking capacitor;
the support capacitor is a cylindrical dry-type thin film support capacitor and is connected with the IGBT through the th busbar, the support capacitor is used for maintaining the voltage of the direct current input side of the IGBT, the blocking capacitor is connected with the IGBT through the th busbar and is connected with the isolation module through the th busbar, and the blocking capacitor is used for blocking the direct current component output by the inverter module.
6. The charger power module of claim 1, further comprising: diode absorption plate and absorption resistor;
the diode absorption plate is detachably connected with the rectifying module through the second busbar; the absorption resistor is fixed on the substrate and connected with the diode absorption plate, and the diode absorption plate and the absorption resistor are used for filtering the rectifying module.
7. The charger power module of claim 3, further comprising: the current sensor, the switching copper bar and the power cable pass through a wall sleeve;
the current sensor is connected with the output end of the rectifying module through the second busbar, and the current sensor is exposed outside the power module of the charger through the switching copper bar and the power cable wall bushing.
8. The charger power module according to claim 7, further comprising an th voltage sensor and a second voltage sensor;
the th voltage sensor is connected to the access bus of the inversion module and used for detecting the voltage on the access bus of the inversion module, and the second voltage sensor is connected to the access bus of the rectification module and used for detecting the voltage on the access bus of the rectification module.
9. The charger power module of claim 8, further comprising: a temperature sensor and a temperature relay;
the temperature sensor and the temperature relay are fixed on the substrate, and the temperature sensor is used for detecting the temperature in the radiator; and the temperature relay is connected with the temperature sensor and used for turning off the power supply of the charger power module when the radiator is overheated.
10. The charger power module of claim 9, further comprising: a control line connector;
the control line connector is arranged at the top of the square frame and used for transmitting signals detected by the current sensor, the th voltage sensor, the second voltage sensor and the temperature sensor to a control cabinet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810801621.8A CN110739862B (en) | 2018-07-20 | 2018-07-20 | Power module of charger |
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| CN201810801621.8A CN110739862B (en) | 2018-07-20 | 2018-07-20 | Power module of charger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115118124A (en) * | 2022-06-08 | 2022-09-27 | 北京交通大学 | AC-DC power supply converter power module |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4180824A1 (en) * | 2021-11-12 | 2023-05-17 | Future Systems Besitz GmbH | Function enhancement control cabinet busbar module |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201438674U (en) * | 2009-08-10 | 2010-04-14 | 中国北车集团大同电力机车有限责任公司 | Battery charger power device |
| CN102832813A (en) * | 2012-09-21 | 2012-12-19 | 湖南南车时代电动汽车股份有限公司 | Arrangement structure of main electrical components inside bidirectional charger for electric vehicle |
| CN203522506U (en) * | 2013-10-23 | 2014-04-02 | 北京京铁信达铁路设备有限公司 | Auxiliary conversion charger module |
| CN104218812A (en) * | 2014-09-26 | 2014-12-17 | 永济新时速电机电器有限责任公司 | Battery charger power unit based on double-tube parallel connection |
| CN204068729U (en) * | 2014-09-11 | 2014-12-31 | 株洲南车时代电气股份有限公司 | The integrated charger of a kind of city rail vehicle |
| CN104600783A (en) * | 2014-12-25 | 2015-05-06 | 株洲南车时代电气股份有限公司 | Charger |
| CN206807092U (en) * | 2017-06-14 | 2017-12-26 | 深圳市英威腾交通技术有限公司 | A kind of charger |
-
2018
- 2018-07-20 CN CN201810801621.8A patent/CN110739862B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201438674U (en) * | 2009-08-10 | 2010-04-14 | 中国北车集团大同电力机车有限责任公司 | Battery charger power device |
| CN102832813A (en) * | 2012-09-21 | 2012-12-19 | 湖南南车时代电动汽车股份有限公司 | Arrangement structure of main electrical components inside bidirectional charger for electric vehicle |
| CN203522506U (en) * | 2013-10-23 | 2014-04-02 | 北京京铁信达铁路设备有限公司 | Auxiliary conversion charger module |
| CN204068729U (en) * | 2014-09-11 | 2014-12-31 | 株洲南车时代电气股份有限公司 | The integrated charger of a kind of city rail vehicle |
| CN104218812A (en) * | 2014-09-26 | 2014-12-17 | 永济新时速电机电器有限责任公司 | Battery charger power unit based on double-tube parallel connection |
| CN104600783A (en) * | 2014-12-25 | 2015-05-06 | 株洲南车时代电气股份有限公司 | Charger |
| CN206807092U (en) * | 2017-06-14 | 2017-12-26 | 深圳市英威腾交通技术有限公司 | A kind of charger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115118124A (en) * | 2022-06-08 | 2022-09-27 | 北京交通大学 | AC-DC power supply converter power module |
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| CN110739862B (en) | 2021-02-02 |
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