CN203491854U - Power module of increased-safety brushless excitation synchronous motor - Google Patents
Power module of increased-safety brushless excitation synchronous motor Download PDFInfo
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- CN203491854U CN203491854U CN201320587504.9U CN201320587504U CN203491854U CN 203491854 U CN203491854 U CN 203491854U CN 201320587504 U CN201320587504 U CN 201320587504U CN 203491854 U CN203491854 U CN 203491854U
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Abstract
The utility model discloses a power module of an increased-safety brushless excitation synchronous motor. The power module comprises a silicon controlled rectifier, a diode, and an aluminum radiator pedestal. The silicon controlled rectifier and the first electrode of the diode are connected in series through the aluminum radiator pedestal. The power module is characterized in that the power module further comprises a fuse which is fixed on the aluminum radiator pedestal and provided with a first wiring screw rod, and the first wiring screw rod is employed to lead out the series connection point of the silicon controlled rectifier and the first electrode of the diode. According to the utility model, by connecting the fuse to the series connection point of the silicon controlled rectifier and the diode and using the fusing protection characteristics of the fuse, the generation of exciter damage phenomena due to exciter short circuits caused by damages of the silicon controlled rectifier or the diode can be effectively prevented.
Description
Technical field
The utility model relates to the power model on a kind of rotating rectifier that is applied in enhanced brushless excitation synchronization motor.
Background technology
The power device of enhanced brushless excitation synchronization motor was independent installation in the past, and the semiconductor device of taking mostly is bolt type, and wiring is loaded down with trivial details, took up room large, and trouble is installed, and heat dispersion is poor.Be improved to afterwards integral module, and solved wiring loaded down with trivial details, large problem takes up room.But this improvement also exists structural design unreasonable, and mechanical strength is low, lack the problems such as power device safe precaution measure.
Secondly, be applied in power device on synchronous motor because being subject to the caloric value that runs up of motor large, and the centrifugal force being subject to is also large, if can not effectively solve the stability in its heat dispersion and running, will greatly affect the useful life of power device, rate of breakdown also can be very high, once and break down, check that difficulty is large.
Utility model content
The utility model independently installs for power device in the past taking up room greatly of existing, wiring is loaded down with trivial details, heat dispersion is poor, the safeguard protection of inactivity device, the mechanical strength that integral module after improvement is installed existence is low, the safeguard protection of inactivity device, unreasonable structure problem, designed and developed a kind of power model that is applied in enhanced brushless excitation synchronization motor, it collects power device, radiator and explosion-proof fuse are, simplified wiring, reduced space hold, increased heat dispersion, also increased power device safety precaution function, greatly be reduced in the spoilage of power device in equipment fault situation, and the probability of the exciter Damage by Short Circuit of following after power device damage.
The technical scheme that the utility model provides is:
A kind of power model of enhanced brushless excitation synchronization motor, comprise: a controllable silicon, a diode and an Aluminium Radiator base, the first electrode of described controllable silicon and described diode is connected in series by described Aluminium Radiator base, wherein, also comprises:
Fuse, it is fixed on described Aluminium Radiator base and is provided with the first wiring screw rod, by described the first wiring screw rod, the serial connection point of the first electrode of described controllable silicon and described diode is drawn.
Preferably, described power model also comprises: two copper post radiating blocks, and each copper post radiating block includes:
A columned copper post, its upper surface is provided with a circular heavy stand structure, and the below of described heavy stand structure is provided with screw;
Multilayer copper sheet, which is provided with and can pass the through hole of described copper post, and have an identical seamed edge;
Wherein, the seamed edge of described multilayer copper sheet alignment, and aim at described fuse, described multilayer copper sheet is through described copper post and along the axial uniform welding of described copper post.
Preferably, described power model also comprises: the second wiring screw rod and the 3rd wiring screw rod;
Described the second wiring screw rod and the 3rd wiring screw rod are provided with the annular protrusion matching with the heavy stand structure of described copper post radiating block, and a side screw rod of described annular protrusion is provided with the screw thread matching with the screw of described copper post radiating block;
Described the second wiring screw rod and the 3rd wiring screw rod are threaded onto respectively on described two copper post radiating blocks.
Preferably, described Aluminium Radiator base is provided with a plane and the polylith aluminium flake vertical with described plane, and the cross section of described plane and described polylith aluminium flake is comb teeth-shaped;
The first electrode of described controllable silicon and described diode is connected in series by the first plane of its tube core separately and the plane of described foot of radiator being close to fixing realization.
Preferably, the second electrode of described controllable silicon and described diode is drawn by described the second wiring screw rod and the 3rd wiring screw rod after the copper post lower surface of the second plane of its tube core separately and described two copper post radiating blocks is close to.
Preferably, the opposite side screw rod of the annular protrusion of described the second wiring screw rod and the 3rd wiring screw rod all order passes the first insulating case, spherical spring steel plate, butterfly pad and the second insulating case, on four angles of wherein said butterfly pad, offer via hole, each via hole is the set bolt to described foot of radiator plane through a screw-in all.
Preferably, described the first insulating case and the second insulating case are in the form of annular discs;
The center of circle of described the first insulating case is provided with can pass described the second wiring screw rod and the first circular hole of the 3rd wiring screw rod and the first joint pin being communicated with described the first circular hole, and described the first joint pin is positioned at a side of described the first insulating case;
The center of circle of described the second insulating case is provided with can pass described the second wiring screw rod and the second circular hole of the 3rd wiring screw rod and the second joint pin being communicated with described the second circular hole, and described the second joint pin is positioned at a side of described the second insulating case;
Wherein, described the second joint pin is set in described the first joint pin periphery, and fixes by epoxy resin, and meanwhile, described spherical spring steel plate and described butterfly pad are all through described the second joint pin.
Preferably, the disc surfaces of described the first insulating case offers at least one first cannelure, and the disc surfaces of described the second insulating case offers at least one second cannelure.
Preferably, described foot of radiator plane is provided with collets, which is provided with SCR control utmost point binding post, and described silicon controlled is controlled the utmost point and is connected to described binding post;
The first electrode of described controllable silicon tube core is described silicon controlled anode, and the second electrode is described silicon controlled negative electrode;
The negative electrode that the first electrode of described diode chip is described diode, the anode that the second electrode is described diode.
Preferably, described fuse adopts the fuse of explosion-proof type, is arranged with one deck insulating case in its periphery, also spaced apart by one deck insulation board between described insulating case and described fuse.
Power model described in the utility model integrates power device (controllable silicon and diode), radiator and explosion-proof fuse, has following advantage:
One, adopt explosion-proof fuse, utilized the fuse protection characteristic of fuse, avoided the exciter short circuit that causes after damaging due to power device, damaged exciter.
Two, utilized the good conductivity of Aluminium Radiator base to simplify the wiring of power device in the rotating rectifier of synchronous motor, reduced space hold, facilitated production, reduced line service amount and reduced the difficulty checking after fault, the heat that has simultaneously utilized thermal diffusivity that Aluminium Radiator is good to disperse to a certain extent power device to send;
Three, the other end at power device has adopted the larger thinner fin of multilayer made of copper, and its thermal diffusivity is better than aluminum thermal diffusivity, and the heat dispersion of power device is further provided;
They are four years old, above copper radiating block, be provided with insulating material, spherical spring steel plate and butterfly pad, by adopting butterfly pad that power device is together fixed on and has realized the stability that power device runs up in process at motor on foot of radiator together with radiating block, by the power that adopts spherical spring steel plate to utilize the cambered surface on it that set bolt is imposed on dish pad, can effectively be disperseed, make electrolysis stressed more even, after making butterfly pad compress, be difficult for damaged simultaneously, when adopting insulating material to guarantee that wiring screw rod is reliably drawn and effective insulation of butterfly pad and spherical spring steel plate,
Five, take into full account its security protection distance under explosion-proof environment, be embodied in following three aspects::
The one, the increase of considering copper fin can make the arcing distance between itself and fuse inadequate, so be arranged to seamed edge structure at the side copper sheet near fuse, is further sheathed insulating case on explosion-proof fuse;
The 2nd, by between the insulating case of explosion-proof fuse and itself, also by insulation board, separate, it can not directly be discharged with multiple layer of copper fin, effectively increased wiring screw rod on it and the creepage distance between copper radiating rib simultaneously;
The 3rd, on the first insulating case, the second insulating case, offer cannelure, effectively increased on copper radiating rib and butterfly pad the creepage distance between set bolt on set bolt, wiring screw rod and butterfly pad;
By the detailed design of above three aspects:, make the disclosed power model of the utility model increase insulating reliability, thereby improved explosion-proof performance, can well be applied on the motor of explosion-proof type, be on enhanced brushless excitation synchronization motor, met requirement of explosion proof.
Accompanying drawing explanation
Fig. 1 is the structural representation of power model described in the utility model.
Fig. 2 is the vertical view of the power model described in Fig. 1.
Fig. 3 is the right view of the power model described in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, to make those skilled in the art can implement according to this with reference to specification word.
As Figure 1-3, the utility model provides a kind of power model of enhanced brushless excitation synchronization motor, comprise: controllable silicon 1, diode 2 and an Aluminium Radiator base 3, the first electrode of described controllable silicon and described diode is connected in series by described Aluminium Radiator base, wherein, also comprise:
Fuse 4, it is fixed on described Aluminium Radiator base and is provided with the first wiring screw rod 5, by described the first wiring screw rod, the serial connection point of the first electrode of described controllable silicon and described diode is drawn.
Wherein, controllable silicon and diode adopt flat, and two planes of its tube core represent two electrodes, i.e. negative electrode and anode, and controllable silicon also includes the control utmost point certainly.
Described fuse adopts the fuse of explosion-proof type, is applicable to move under factory's explosion-proof environment, is arranged with one deck insulating case 6 in its periphery, also spaced apart by one deck insulation board 7 between described insulating case and described fuse.The design of described insulating case 6 and described insulation board 7 has avoided multiple layer of copper fin and the first wiring screw rod 5 on it directly to discharge, increase the creepage distance between multiple layer of copper fin and the first wiring screw rod 5 on it, further guaranteed its insulating reliability.
As depicted in figs. 1 and 2, the power model that the utility model provides also comprises: two copper post radiating blocks 8, and each copper post radiating block includes:
A columned copper post 801, its upper surface is provided with a circular heavy stand structure 802, and the below of described heavy stand structure is provided with screw 803;
Multilayer copper sheet 804, which is provided with and can pass the through hole of described copper post, and have an identical seamed edge 805;
Wherein, the seamed edge of described multilayer copper sheet alignment, and aim at described fuse, described multilayer copper sheet is through described copper post and along the axial uniform welding of described copper post.
Here, the utility model is provided with an identical seamed edge on multilayer copper sheet, and make it aim at described fuse, in order to increase the safe-discharge distance between fuse and copper sheet, preferably, the utility model is sheathed one deck insulating case 6 in the periphery of fuse also, has prevented the generation of electric discharge phenomena, further, by separating by insulation board between insulating case 6 and fuse, improved insulating reliability.
Meanwhile, adopted special welding procedure that multilayer copper sheet is welded on copper post, the design of copper sheet has obviously utilized the good heat dispersion of copper, the heat radiation that has improved largely power device.
Preferably, described power model also comprises: the second wiring screw rod 15 and the 3rd wiring screw rod 16;
Described the second wiring screw rod and the 3rd wiring screw rod are provided with the annular protrusion matching with the heavy stand structure 802 of described copper post radiating block, and a side screw rod of described annular protrusion is provided with the screw thread matching with the screw of described copper post radiating block; Described the second wiring screw rod 15 and the 3rd wiring screw rod 16 are threaded onto respectively on described two copper post radiating blocks.In the utility model, in wiring screw rod, the design of annular protrusion has increased the conductive contact area of wiring screw rod and copper post radiating block, has strengthened between the two to electrical connection.
As shown in Figure 3, in the utility model, described Aluminium Radiator base 3 is provided with a plane 301 and the polylith aluminium flake 302 vertical with described plane, and the cross section of described plane 301 and described polylith aluminium flake 302 is comb teeth-shaped.Such design has increased the path of circulation of air, has increased area of dissipation, and heat dispersion is improved.
The first electrode of described controllable silicon and described diode is connected in series by the first plane of its tube core separately and the plane of described foot of radiator being close to fixing realization, and the second electrode of described controllable silicon and described diode is drawn by described the second wiring screw rod 15 and the 3rd wiring screw rod 16 after the copper post lower surface of the second plane of its tube core separately and described two copper post radiating blocks 8 is close to.Owing to being threaded connection between described the second wiring screw rod 15 and the 3rd wiring screw rod 16 and the copper post that conducts electricity very well, and the heavy stand structure by the annular protrusion on it and copper post radiating block is in contact with one another, increased conductive contact area, guaranteed that it is electrically connected reliably.As shown in Figure 1, in the utility model, the first electrode of described controllable silicon tube core is described silicon controlled anode, and the second electrode is described silicon controlled negative electrode; The negative electrode that the first electrode of described diode chip is described diode, the anode that the second electrode is described diode.
The utility model is connected silicon controlled anode with the negative electrode of diode, just make when the power model providing with the utility model is done the rectifying bridge arm of synchronous motor, the silicon controlled negative electrode on three power models can be linked together, and common cathode connects.Such connected mode just makes control module only need a lead-in wire just controllable silicon can be triggered, and has obviously so further simplified again electrical connection.As shown in Figure 1, described foot of radiator plane is provided with collets 17, which is provided with SCR control utmost point binding post 18, and described silicon controlled is controlled the utmost point and is connected to described binding post 18.
As shown in Figure 1, the opposite side screw rod of the annular protrusion 20 of described the second wiring screw rod 15 and the 3rd wiring screw rod 16 all order passes the first insulating case 9, spherical spring steel plate 10, butterfly pad 11 and the second insulating case 12, on four angles of wherein said butterfly pad, offer via hole, each via hole is the set bolt 19 to described foot of radiator plane through a screw-in all.In the utility model, by adopting butterfly pad that power device is fixed on and has realized the stability that power device runs up in process at motor on foot of radiator, by the power that adopts spherical spring steel plate to utilize the cambered surface on it that set bolt is imposed on dish pad, can effectively be disperseed, make electrolysis stressed more even, after making butterfly pad compress, be difficult for simultaneously damaged, when adopting insulating material to guarantee that wiring screw rod is reliably drawn and effective insulation of butterfly pad and spherical spring steel plate.Preferably, described the first insulating case 9 and the second insulating case 12 are in the form of annular discs;
The center of circle of described the first insulating case 9 is provided with can pass described the second wiring screw rod 15 and the first circular hole of the 3rd wiring screw rod 16 and the first joint pin (not shown) being communicated with described the first circular hole, described the first joint pin is positioned at a side of described the first insulating case, and offers at least one first cannelure 13 in disc surfaces;
The center of circle of described the second insulating case 12 is provided with can pass described the second wiring screw rod 15 and the second circular hole of the 3rd wiring screw rod 16 and the second joint pin (not shown) being communicated with described the second circular hole, described the second joint pin is positioned at a side of described the second insulating case, and offers at least one first cannelure 14 in disc surfaces;
Wherein, described the second joint pin is set in described the first joint pin periphery, and fixes by epoxy resin, and meanwhile, described spherical spring steel plate and described butterfly pad are all through described the second joint pin.
Wherein, the offering of the first cannelure 13, the second cannelure 14 equally effectively increased on copper radiating rib and butterfly pad the creepage distance between set bolt on set bolt, wiring screw rod and butterfly pad, and the power model that the utility model provides well be applied in explosion protection system.
In the utility model, described the first wiring screw rod 5, the second wiring screw rod 15 and described the 3rd wiring screw rod 16 can preferentially adopt copper material M10 screw rod, when with outer lead wiring, can pass through double nut fixing cord, guarantee that it is electrically connected reliably, strengthened mechanical strength simultaneously.
Although embodiment of the present utility model is open as above, but it is not restricted to listed utilization in specification and execution mode, it can be applied to the various fields of the present utility model that are applicable to completely, for those skilled in the art, can easily realize other modification, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend of describing.
Claims (10)
1. the power model of an enhanced brushless excitation synchronization motor, comprise: a controllable silicon, a diode and an Aluminium Radiator base, the first electrode of described controllable silicon and described diode is connected in series by described Aluminium Radiator base, it is characterized in that, also comprises:
Fuse, it is fixed on described Aluminium Radiator base and is provided with the first wiring screw rod, by described the first wiring screw rod, the serial connection point of the first electrode of described controllable silicon and described diode is drawn.
2. the power model of enhanced brushless excitation synchronization motor as claimed in claim 1, is characterized in that, also comprises: two copper post radiating blocks, and each copper post radiating block includes:
A columned copper post, its upper surface is provided with a circular heavy stand structure, and the below of described heavy stand structure is provided with screw;
Multilayer copper sheet, which is provided with and can pass the through hole of described copper post, and have an identical seamed edge;
Wherein, the seamed edge of described multilayer copper sheet alignment, and aim at described fuse, described multilayer copper sheet is through described copper post and along the axial uniform welding of described copper post.
3. the power model of enhanced brushless excitation synchronization motor as claimed in claim 2, is characterized in that, also comprises: the second wiring screw rod and the 3rd wiring screw rod;
Described the second wiring screw rod and the 3rd wiring screw rod are provided with the annular protrusion matching with the heavy stand structure of described copper post radiating block, and a side screw rod of described annular protrusion is provided with the screw thread matching with the screw of described copper post radiating block;
Described the second wiring screw rod and the 3rd wiring screw rod are threaded onto respectively on described two copper post radiating blocks.
4. the power model of enhanced brushless excitation synchronization motor as claimed in claim 3, it is characterized in that, described Aluminium Radiator base is provided with a plane and the polylith aluminium flake vertical with described plane, and the cross section of described plane and described polylith aluminium flake is comb teeth-shaped;
The first electrode of described controllable silicon and described diode is connected in series by the first plane of its tube core separately and the plane of described foot of radiator being close to fixing realization.
5. the power model of enhanced brushless excitation synchronization motor as claimed in claim 4, it is characterized in that, the second electrode of described controllable silicon and described diode is drawn by described the second wiring screw rod and the 3rd wiring screw rod after the copper post lower surface of the second plane of its tube core separately and described two copper post radiating blocks is close to.
6. the power model of enhanced brushless excitation synchronization motor as claimed in claim 3, it is characterized in that, the opposite side screw rod of the annular protrusion of described the second wiring screw rod and the 3rd wiring screw rod all order passes the first insulating case, spherical spring steel plate, butterfly pad and the second insulating case, on four angles of wherein said butterfly pad, offer via hole, each via hole is the set bolt to described foot of radiator plane through a screw-in all.
7. the power model of enhanced brushless excitation synchronization motor as claimed in claim 6, is characterized in that, described the first insulating case and the second insulating case are in the form of annular discs;
The center of circle of described the first insulating case is provided with can pass described the second wiring screw rod and the first circular hole of the 3rd wiring screw rod and the first joint pin being communicated with described the first circular hole, and described the first joint pin is positioned at a side of described the first insulating case;
The center of circle of described the second insulating case is provided with can pass described the second wiring screw rod and the second circular hole of the 3rd wiring screw rod and the second joint pin being communicated with described the second circular hole, and described the second joint pin is positioned at a side of described the second insulating case;
Wherein, described the second joint pin is set in described the first joint pin periphery, and fixes by epoxy resin, and meanwhile, described spherical spring steel plate and described butterfly pad are all through described the second joint pin.
8. the power model of enhanced brushless excitation synchronization motor as claimed in claim 7, it is characterized in that, the disc surfaces of described the first insulating case offers at least one first cannelure, and the disc surfaces of described the second insulating case offers at least one second cannelure.
9. the power model of enhanced brushless excitation synchronization motor as claimed in claim 5, it is characterized in that, described foot of radiator plane is provided with collets, which is provided with SCR control utmost point binding post, and described silicon controlled is controlled the utmost point and is connected to described binding post;
The first electrode of described controllable silicon tube core is described silicon controlled anode, and the second electrode is described silicon controlled negative electrode;
The negative electrode that the first electrode of described diode chip is described diode, the anode that the second electrode is described diode.
10. the power model of the enhanced brushless excitation synchronization motor as described in claim 1-9 any one, it is characterized in that, described fuse adopts the fuse of explosion-proof type, in its periphery, be arranged with one deck insulating case, also spaced apart by one deck insulation board between described insulating case and described fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320587504.9U CN203491854U (en) | 2013-09-23 | 2013-09-23 | Power module of increased-safety brushless excitation synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320587504.9U CN203491854U (en) | 2013-09-23 | 2013-09-23 | Power module of increased-safety brushless excitation synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203491854U true CN203491854U (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320587504.9U Expired - Lifetime CN203491854U (en) | 2013-09-23 | 2013-09-23 | Power module of increased-safety brushless excitation synchronous motor |
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| Country | Link |
|---|---|
| CN (1) | CN203491854U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022209765A1 (en) * | 2021-03-29 | 2022-10-06 | 株式会社富士通ゼネラル | Electric motor |
-
2013
- 2013-09-23 CN CN201320587504.9U patent/CN203491854U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022209765A1 (en) * | 2021-03-29 | 2022-10-06 | 株式会社富士通ゼネラル | Electric motor |
| JP2022152646A (en) * | 2021-03-29 | 2022-10-12 | 株式会社富士通ゼネラル | Electric motor |
| JP7255622B2 (en) | 2021-03-29 | 2023-04-11 | 株式会社富士通ゼネラル | Electric motor |
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Granted publication date: 20140319 |