CN211183847U - Hydrogen energy fuel cell air compressor motor controller - Google Patents
Hydrogen energy fuel cell air compressor motor controller Download PDFInfo
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- CN211183847U CN211183847U CN202020031082.7U CN202020031082U CN211183847U CN 211183847 U CN211183847 U CN 211183847U CN 202020031082 U CN202020031082 U CN 202020031082U CN 211183847 U CN211183847 U CN 211183847U
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- box body
- copper bar
- motor controller
- fuel cell
- air compressor
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Abstract
The utility model provides a hydrogen energy fuel cell air compressor machine motor controller, including the box, install input module, DC-L INK electric capacity, IGBT module and the output module who constitutes control major loop in proper order in the box, input module has and installs the 2PIN high-voltage connector in the box up, 2PIN high-voltage connector is connected with the crooked ascending input electricity of input copper bar subassembly, the box corresponds to one side of input is equipped with the installation handle hole, insert in the installation handle hole and be cylindric anti-falling sheath, input copper bar subassembly adopts injection moulding mode preparation, has moulded case and copper bar, be formed with the shaping groove on the moulded case, be fixed with ann rule electric capacity and magnetic ring in the shaping groove, ann rule electric capacity and magnetic ring constitute filter circuit, be equipped with the welding PIN on the copper bar, ann rule electric capacity with resistance welding's mode with the welding PIN of copper bar is connected the utility model has the advantages of voltage, electric current wide range, power density is high, heat dispersion.
Description
Technical Field
The utility model relates to a hydrogen energy automobile industry especially relates to a hydrogen energy fuel cell air compressor machine controller.
Background
Under the conditions that petroleum resources are increasingly deficient and environmental pollution is increasingly serious, the hydrogen energy automobile industry is widely developed and valued. With the continuous development of the hydrogen energy automobile industry, on one hand, the internal space of the automobile is more and more compact, and the power density requirement of the whole automobile on a hydrogen energy fuel cell power supply system is higher and higher. Therefore, the motor controller of the air compressor, which is one of the important components of the hydrogen energy fuel cell, is required to have the volume as small as possible and the power density as high as possible so as to meet the requirement of the whole vehicle on the arrangement space. On the other hand, because the hydrogen energy automobile industry is not completely developed, the current hydrogen energy fuel cell air compressor motor controller is mostly concentrated in the power range within 20Kw, and the high-power air compressor motor controller products on the market are deficient. Therefore, a hydrogen energy fuel cell air compressor motor controller with wide voltage and current range, high power density and good heat dissipation performance is urgently needed to be designed so as to meet the requirements of the industry on the arrangement space and high power of the whole vehicle.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above problem, provide a voltage, electric current wide range, power density is high, the hydrogen energy fuel cell air compressor machine controller that heat dispersion is good.
In order to achieve the above object, the utility model adopts the following technical scheme:
a motor controller of a hydrogen energy fuel cell air compressor comprises a box body, wherein an input module, a DC-L INK capacitor, an IGBT module and an output module which sequentially form a control main loop are arranged in the box body, and the motor controller is characterized in that:
the input module is provided with a 2PIN high-voltage connector which is upwards arranged on the box body, and the 2PIN high-voltage connector is electrically connected with the upwards bent input end of the input copper bar assembly; a mounting operation hole is formed in one side, corresponding to the input end, of the box body, and a cylindrical anti-falling sheath is inserted into the mounting operation hole;
the input copper bar assembly is manufactured in an injection molding mode and is provided with a plastic shell and a copper bar, a forming groove is formed in the plastic shell, a safety capacitor and a magnetic ring are fixed in the forming groove, the safety capacitor and the magnetic ring form a filter circuit, welding pins are arranged on the copper bar, and the safety capacitor is connected with the welding pins of the copper bar in a resistance welding mode.
The hydrogen energy fuel cell air compressor machine motor controller, wherein:
the DC-L INK capacitor is fixed in the box body, and the input end of the DC-L INK capacitor is electrically connected with the output end of the input copper bar assembly through a bolt;
the IGBT module is fixed in the box body, and the input end of the IGBT module is electrically connected with the output end of the DC-L INK capacitor;
the output module is electrically connected with the output end of the IGBT module.
The hydrogen energy fuel cell air compressor machine motor controller, wherein: the input copper bar assembly is further designed with an independent grounding copper bar, and the grounding copper bar is connected with a grounding pin of the safety capacitor.
The motor controller of the hydrogen energy fuel cell air compressor is characterized in that a heat dissipation water channel is arranged on the outer side of the box body and sealed by a water channel cover plate, the heat dissipation water channel forms water channel circulation through a water inlet/outlet pipe, and the DC-L INK capacitor is opposite to the IGBT module and the heat dissipation water channel.
The hydrogen energy fuel cell air compressor machine motor controller, wherein: and a heat radiation fin plate and/or a heat radiation needle are/is formed in the heat radiation water channel in a die casting mode.
The hydrogen energy fuel cell air compressor machine motor controller, wherein: the water channel cover plate is manufactured in a blanking forming mode and is connected with the box body into a whole in a friction stir welding mode.
The hydrogen energy fuel cell air compressor machine motor controller, wherein: the water inlet/outlet pipe adopts a double-layer radial sealing structure, and the flange surface of the water inlet/outlet pipe is fixed on the box body by adopting a single screw.
The hydrogen energy fuel cell air compressor machine motor controller, wherein: the output module comprises a three-phase copper bar, a current sensor and a 3PIN high-voltage quick-plug connector;
the current sensor is fixed on the three-phase copper bar in a single body form;
the three-phase copper bar is bent upwards by 90 degrees so as to be electrically connected with the output end of the 3PIN high-voltage quick-plug connector which is upwards arranged on the box body; and one side of the box body, which corresponds to the output end of the 3PIN high-voltage quick-plug connector, is provided with an installation operation hole, and a cylindrical anti-falling sheath is inserted into the installation operation hole.
The hydrogen energy fuel cell air compressor machine motor controller, wherein: and sealing rubber strips formed in an automatic dispensing mode are arranged on sealing surfaces of each cover plate and the corresponding mounting operation hole.
The hydrogen energy fuel cell air compressor machine motor controller, wherein: the box body is formed by connecting an upper box body and a lower box body in a sealing manner, and sealing rubber strips formed in an automatic dispensing manner are arranged on the sealing surfaces of the upper box body and the lower box body.
Compared with the prior art, the utility model discloses the beneficial effect who has is: wide voltage and current range, high power density and good heat radiation performance.
Drawings
Fig. 1 is a schematic diagram of an input module structure.
Fig. 2 is a schematic diagram of an output module structure.
Fig. 3 is a schematic view of the upper case structure.
Fig. 4 is a schematic view of the lower case structure.
Fig. 5 is a schematic view of a heat sink channel structure.
Fig. 6 is an exploded view of the overall structure of the present invention.
Fig. 7 is an assembled external view of the present invention.
The reference numerals indicate that 1 is an upper box body, 1-2 is an anti-falling sheath, 1-3 is a cover plate, 1-4 is an installation operation hole, 2 is a DC-L INK capacitor, 3 is an input module, 3-1 is a high-voltage connector, 3-2 is an input copper bar assembly, 3-3 is an installation capacitor, 3-4 is a grounding copper bar, 4 is a lower box body, 4-1 is a lower box body, 4-2 is a water inlet/outlet pipe, 4-3 is a vent valve, 4-4 is a heat dissipation water channel, 4-5 is a water channel cover plate, 5 is an IGBT module, 6 is an output module, 6-1 is a high-voltage connector, 6-2 is a current sensor, 6-3 is a three-phase copper bar, 6-4 is a current sampling connector, and 10 is a low-voltage signal port connector.
Detailed Description
As shown in FIG. 6, the utility model provides a hydrogen energy fuel cell air compressor machine motor controller, close the box by last box 1 and lower box 4 relatively, play the effect of water-cooling heat dissipation and spare part installation base member, the box internal fixation has input module 3, DC-L INK electric capacity 2, IGBT module 5 and the output module 6 that constitute the control major loop, still is fixed with parts such as shield plate 9, control panel 8 and low-voltage signal port connector 10, the direct current that comes from the battery package flows into the control major loop through input module 3, exports by output module 6 after the contravariant, control panel 8 realizes signal intercommunication through the pencil with IGBT module 5, shield plate 9 arranges between control panel 8 and IGBT module 5, realizes the electromagnetic shield.
As shown in fig. 1 and 6, the input module 3 has a 2PIN high-voltage connector 3-1 mounted on the upper box 1, and the 2PIN high-voltage connector 3-1 is electrically connected with the input end of the input copper bar assembly 3-2 downwards through a bolt; it should be noted that the input copper bar assembly 3-2 has an integrated port EMI filter circuit (the EMI filter circuit is highly integrated with the input copper bar assembly, which not only ensures a good filtering effect, but also saves the design space), and the filter devices include a safety capacitor, a magnetic ring and other devices; specifically, the input copper bar assembly 3-2 is manufactured in an injection molding mode and is provided with a plastic shell and a copper bar, a molding groove is formed in the plastic shell, the safety capacitor 3-3 and the magnetic ring are embedded into the molding groove to be fixed, and fixing glue is further arranged in the molding groove to improve stability; moreover, a welding pin is arranged on the copper bar, and the safety capacitor 3-3 is electrically connected with the welding pin on the copper bar in a resistance welding mode; in order to meet the grounding requirement of the safety capacitor 3-3, an independent grounding copper bar 3-4 is further designed, and the grounding copper bar 3-4 is connected with a grounding pin of the safety capacitor 3-3;
as shown in fig. 6, the DC-L INK capacitor 2 is fixed inside the lower case 4, the input end of the DC-L INK capacitor is electrically connected to the output end of the input copper bar assembly 3-2 through a bolt, and a heat conducting medium is coated between the bottom of the DC-L INK capacitor 2 and the lower case 4, so as to achieve a good heat dissipation effect;
as shown in fig. 6, three sets of IGBT modules 5 are fixed inside the lower case 4, the input ends of the IGBT modules are electrically connected to the output end of the DC-L INK capacitor 2, a PCBA board integrated with a driving circuit is welded above the IGBT modules 5, and a heat conducting medium is coated between the lower surface of the IGBT modules and the lower case 4, so as to achieve a good heat dissipation effect;
as shown in fig. 2 and 6, the output module 6 is electrically connected to the output end of the IGBT module 5, and includes U, V, W three-phase copper bars 6-3 and a current sensor 6-2 fixed on U, W two-phase copper bars (the current sensor 6-2 is fixed in a sampling single form, and such a selection and layout is adopted, so that a design space is reasonably applied, and a better space compactness can be obtained), the current sensor 6-2 is electrically connected to a current sampling harness 6-4, the U, V, W three-phase copper bars 6-3 are electrically connected to a 3PIN high-voltage connector 6-1 fixed on the upper box 1 through bolts, and inverted three-phase electricity is transmitted to an air compressor motor through the 3PIN high-voltage connector 6-1;
as shown in fig. 6, the shielding plate 9 is disposed above the IGBT module 5 and fixed to the lower case 4 by screws;
as shown in fig. 6, the control board 8 is fixed on the shielding plate 9, the control board 8 is provided with a plurality of signal traffic ports, and signal interaction is realized by plugging the current sampling wire harness 6-4; the control panel 8 is fixed on the shielding plate 9, so that the control panel 8 and the shielding plate 9 form modularization, miniaturization and compact design are easy to realize, and better space compactness can be obtained;
as shown in figure 5, the outer side of the lower box body 4-1 is provided with an S-shaped heat-radiating water channel 4-4 and is sealed by a water channel cover plate 4-5 (the water channel cover plate 4-5 is preferably manufactured by adopting a blanking forming mode and is connected with the lower box body 4-1 into a whole by a friction stir welding mode without an auxiliary sealing design and a cover plate installation design, so that the stability of a heat-radiating system is ensured, and the design space is also saved), the heat-radiating water channel 4-4 forms a water path circulation through a water inlet/outlet pipe 4-2, the DC-L INK capacitor 2 is opposite to the IGBT module 5 and the position of the heat-radiating water channel 4-4, the DC-L INK capacitor 2 and the IGBT module 5 can be cooled in time and quickly by the water path circulation in the heat-radiating water channel 4-4, and a heat-radiating fin plate and/or a heat-radiating needle are formed in the heat-radiating water channel 4-4 by a die-casting mode, so that the excellent heat-radiating effect can be achieved, the vent valve 4-3 communicated with the inner part of the box body is arranged on one side of the lower box body 4-1, the inner part of the box body can be maintained, the breathing effect can be maintained, the inner part of the lower box body is maintained, and the;
as shown in fig. 1, 2 and 6, in order to obtain better space compactness, the 2PIN high-voltage connector 3-1 of the input module 3 and the 3PIN high-voltage connector 6-1 of the output module 6 are upward led out, the input copper busbar assembly 3-2 is bent 90 degrees to be upward electrically connected with the 2PIN high-voltage connector 3-1 of the input module 3, and the U, V, W three-phase copper busbar assembly 6-3 is bent 90 degrees to be upward electrically connected with the 3PIN high-voltage connector 6-1 of the output module 6.
As shown in fig. 1, 4 and 6, the 2PIN high-voltage connector 3-1 of the input module 3 and the 3PIN high-voltage connector 6-1 of the output module 6 (both preferably adopt quick-plug connectors to obtain better space compactness) need to be mounted on the outer side of the upper box 1 by screws, so that the top side of the upper box body 1-1 is provided with mounting surfaces corresponding to the 2PIN high-voltage connector 3-1 of the input module 3 and the 3PIN high-voltage connector 6-1 of the output module 6 respectively; the lower ends of the 2PIN high-voltage connector 3-1 of the input module 3 and the 3PIN high-voltage connector 6-1 of the output module 6 are connected with corresponding copper bars through bolts, so that the situation that the bolts fall into the box body in the installation process is avoided, and the connection operation of the bolts is also facilitated, the utility model discloses installation operation holes 1-4 are arranged beside each installation surface, a screwing tool can go deep into the box body through the installation operation holes 1-4 to complete the screwing operation of the bolts, a cylindrical anti-falling sheath 1-2 (preferably adopting plastic material injection molding) is inserted into each installation operation hole 1-4, and the bolts can be prevented from falling into the box body in the bolt screwing process by completing the screwing operation of the bolts in the anti-falling sheath 1-2; of course, the installation operation holes 1-4 are also sealed by cover plates 1-3 to ensure the sealing property in the box body;
in order to meet the sealing performance of the box body, sealing rubber strips are arranged between the upper box body 1 and the lower box body 4 and between the cover plate 1-3 and the installation operation hole 1-4 (the sealing rubber strips are preferably formed in a dispensing mode, and a complete sealing rubber strip is formed after a dispensing colloid is cured);
the foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A motor controller of a hydrogen energy fuel cell air compressor comprises a box body, wherein an input module, a DC-L INK capacitor, an IGBT module and an output module which sequentially form a control main loop are arranged in the box body, and the motor controller is characterized in that:
the input module is provided with a 2PIN high-voltage connector which is upwards arranged on the box body, and the 2PIN high-voltage connector is electrically connected with the upwards bent input end of the input copper bar assembly; a mounting operation hole is formed in one side, corresponding to the input end, of the box body, and a cylindrical anti-falling sheath is inserted into the mounting operation hole;
the input copper bar assembly is manufactured in an injection molding mode and is provided with a plastic shell and a copper bar, a forming groove is formed in the plastic shell, a safety capacitor and a magnetic ring are fixed in the forming groove, the safety capacitor and the magnetic ring form a filter circuit, welding pins are arranged on the copper bar, and the safety capacitor is connected with the welding pins of the copper bar in a resistance welding mode.
2. The motor controller for the air compressor of the hydrogen-powered fuel cell as claimed in claim 1, wherein a heat dissipation water channel is formed at an outer side of the case and sealed by a water channel cover plate, the heat dissipation water channel forms a water channel circulation through a water inlet/outlet pipe, and the DC-L INK capacitor is opposite to the IGBT module and the heat dissipation water channel.
3. The hydrogen energy fuel cell air compressor motor controller of claim 2, wherein: and a heat radiation fin plate and/or a heat radiation needle are/is formed in the heat radiation water channel in a die casting mode.
4. The hydrogen energy fuel cell air compressor motor controller of claim 2, wherein: the water channel cover plate is manufactured in a blanking forming mode and is connected with the box body into a whole in a friction stir welding mode.
5. The hydrogen energy fuel cell air compressor motor controller of claim 2, wherein: the water inlet/outlet pipe adopts a double-layer radial sealing structure, and the flange surface of the water inlet/outlet pipe is fixed on the box body by adopting a single screw.
6. The hydrogen energy fuel cell air compressor motor controller of claim 1, wherein: the output module comprises a three-phase copper bar, a current sensor and a 3PIN high-voltage quick-plug connector;
the current sensor is fixed on the three-phase copper bar in a single body form;
the three-phase copper bar is bent upwards by 90 degrees so as to be electrically connected with the output end of the 3PIN high-voltage quick-plug connector which is upwards arranged on the box body; and one side of the box body, which corresponds to the output end of the 3PIN high-voltage quick-plug connector, is provided with an installation operation hole, and a cylindrical anti-falling sheath is inserted into the installation operation hole.
7. The hydrogen energy fuel cell air compressor motor controller of claim 6, wherein: and sealing rubber strips formed in an automatic dispensing mode are arranged on sealing surfaces of each cover plate and the corresponding mounting operation hole.
8. The hydrogen energy fuel cell air compressor motor controller of claim 1, wherein: the box body is formed by connecting an upper box body and a lower box body in a sealing manner, and sealing rubber strips formed in an automatic dispensing manner are arranged on the sealing surfaces of the upper box body and the lower box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020031082.7U CN211183847U (en) | 2020-01-07 | 2020-01-07 | Hydrogen energy fuel cell air compressor motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020031082.7U CN211183847U (en) | 2020-01-07 | 2020-01-07 | Hydrogen energy fuel cell air compressor motor controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211183847U true CN211183847U (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020031082.7U Active CN211183847U (en) | 2020-01-07 | 2020-01-07 | Hydrogen energy fuel cell air compressor motor controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211183847U (en) |
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2020
- 2020-01-07 CN CN202020031082.7U patent/CN211183847U/en active Active
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