Power module of charger
阅读说明:本技术 充电机功率模块 (Power module of charger ) 是由 王宏宝 程斌 李岩 石运卓 于 2018-07-20 设计创作,主要内容包括:本发明提供一种充电机功率模块,包括:散热器、逆变模块、第一母排、隔离模块、第二母排和整流模块;其中,所述散热器包括基板和散热翅片,所述逆变模块、所述隔离模块和所述整流模块固定在所述基板上;所述逆变模块通过第一母排和所述隔离模块连接;所述整流模块通过第二母排和所述隔离模块连接;该充电机功率模块降低了电路中的杂散电感,提高了充电机功率模块输出的直流电的质量。(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.)
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.
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
Optionally, the
The
Alternatively, the
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
The alternating current input into the charger power module is introduced into 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
optionally, the size of the
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
With reference to fig. 4b, in order to make the installation of the driving board
the driving
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
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
The
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
the end of the supporting
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
The blocking
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:
Alternatively, the rectifying module 15 may be a rectifying circuit composed of diodes; the
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
The
Optionally, in order to detect the voltage on the access bus of the
Alternatively, the
Optionally, in order to detect the temperature inside the
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
Optionally, in order to transmit the information detected by the
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.
- 上一篇:一种医用注射器针头装配设备
- 下一篇:电力转换器