CN204947777U - A kind of variable-frequency motor - Google Patents
A kind of variable-frequency motor Download PDFInfo
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- CN204947777U CN204947777U CN201520644477.3U CN201520644477U CN204947777U CN 204947777 U CN204947777 U CN 204947777U CN 201520644477 U CN201520644477 U CN 201520644477U CN 204947777 U CN204947777 U CN 204947777U
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Abstract
The utility model discloses a kind of variable-frequency motor, comprise shell, stator, rotor, fan blade and frequency conversion control circuit, described rotor has motor shaft, described fan blade is fixed on the fan blade end of described motor shaft, described shell is formed with frequency changer circuit control room near the end of described fan blade, described frequency conversion control circuit is arranged in described frequency changer circuit control room, and described motor shaft is through described frequency changer circuit control room.Realize the overall volume reducing variable-frequency motor, improve integrated level and the reliability of variable-frequency motor.
Description
Technical field
The utility model relates to a kind of variable-frequency motor, specifically, is a kind of compact conformation, and outward appearance is exquisite, easy to use, a kind of variable-frequency motor of conserve space and cost.
Background technology
At present, variable-frequency motor is applied very extensive in water supply industry, but existing most variable-frequency motors commercially all simply carry additionally a frequency converter realization outside common electric machine.Although this variable-frequency motor achieves variable frequency control, owing to being carry additionally frequency converter on common electric machine basis, manufacturing cost is high, motor overall dimension is comparatively large, and outward appearance is coarse, takes up room large, carrying is inconvenient, causes that variable-frequency motor volume of the prior art is comparatively large, integrated level is low and poor reliability.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of variable-frequency motor, in solution prior art, the volume of variable-frequency motor is comparatively large, integrated level is low and the defect that reliability is poor, realize the overall volume reducing variable-frequency motor, improve integrated level and the reliability of variable-frequency motor.
The technical scheme that the utility model provides is, a kind of variable-frequency motor, comprise shell, stator, rotor, fan blade and frequency conversion control circuit, described rotor has motor shaft, described fan blade is fixed on the fan blade end of described motor shaft, it is characterized in that, described shell is formed with frequency changer circuit control room near the end of described fan blade, described frequency conversion control circuit is arranged in described frequency changer circuit control room, and described motor shaft is through described frequency changer circuit control room.
Further, described shell is also provided with heat radiation end cap and support platform, described shell has step inner cavity structure, described support platform has ladder cylindrical structure, described support platform is arranged in the step inner cavity structure of described shell, described heat radiation end cap is fixed on described shell, described shell, forms described frequency changer circuit control room between described support platform and described heat radiation end cap.
Further, the outside of described heat radiation end cap is provided with fin, and described frequency conversion control circuit is fixed on described radiating end and covers.
Further, described frequency changer circuit control room is also provided with fan.
Further, fluted in described support platform, described fan is arranged in described groove.
Further, stop sleeve is provided with between described heat radiation end cap and described support platform.
Further, described heat radiation end cap and described support platform are respectively arranged with counterbore, the both ends of described stop sleeve are inserted in corresponding described counterbore.
Further, described radiating end covers and is provided with the first through wires hole, and described shell is provided with terminal box, described terminal box is provided with the second through wires hole, and described first through wires hole is connected with described second through wires hole by wire barrel.
Compared with prior art, advantage of the present utility model and beneficial effect are: the variable-frequency motor that the utility model provides, by forming frequency changer circuit control room on the shell of motor, frequency conversion control circuit can be corresponding be arranged on frequency changer circuit control room, frequency changer circuit control room is on the one hand for being assembled in shell by integrated for frequency conversion control circuit, frequency changer circuit control room is also for distributing the heat that frequency conversion control circuit produces on the other hand, to meet the cooling requirements of frequency conversion control circuit, and frequency conversion control circuit is integrated in shell, the portion in the enclosure that realizes completes wiring and connects, and do not need to carry out in the outside of shell wiring, in use procedure, fault point is less, improve the reliability of variable-frequency motor, in addition, because motor shaft is through frequency changer circuit control room, frequency changer circuit control room by make full use of motor shaft overhanging go out the space of shell to install the parts such as frequency conversion control circuit, such that the overall volume of variable-frequency motor is compacter, integrated level is higher, effectively reduce the overall volume of variable-frequency motor.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the explosive view of the utility model variable-frequency motor embodiment.
In figure, blast cap (1), fan blade (2), bolt a(3), heat radiation end cap (4), frequency conversion control circuit (5), bolt b(6), stop sleeve (7), bolt c(8), fan (9), support platform (10), shell 11, oil nozzle (12), bolt d(13), wire barrel (14).
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the present embodiment variable-frequency motor, basic module is based on common electric machine, there is shell (11), stator, rotor, fan blade (2), the parts compositions such as blast cap (1), wherein, the mechanical parts such as stators and rotators are arranged in the main cavity of shell (11), improvement is: an end of shell (11) will be formed with the frequency changer circuit control room for installing frequency conversion control circuit 5, frequency changer circuit control room and main cavity are separated, can avoid in stators and rotators running, the impact such as electromagnetic interference or heat radiation is produced on the frequency conversion control circuit 5 in frequency changer circuit control room.
Concrete, the present embodiment variable-frequency motor, primarily of blast cap (1), fan blade (2), bolt a(3), heat radiation end cap (4), frequency conversion control circuit (5), bolt b(6), stop sleeve (7), bolt c(8), fan (9), support platform (10), motor (11), oil nozzle (12), bolt d(13) and wire barrel (14) composition, during variable-frequency motor final assembly, first motor (11) sections fit is completed, support platform (10) is loaded in motor (11) shell, by oil nozzle (12) and bolt d(13) fixing, fan (9) is put into support platform (10) square groove, by bolt c(8) fixing, stop sleeve (7) is put into the circular counter bore of support platform (10) upper surface, frequency conversion control circuit (5) is put into the inner chamber of heat radiation end cap (4), by bolt b(6) fixing, wire barrel (14) lower end is inserted in the through wires hole of motor (11) terminal box upper surface, the seam of the heat radiation end cap (4) that frequency conversion control circuit (5) is housed is alignd with the seam of motor (11), the through wires hole of heat radiation end cap (4) leading portion aligns with wire barrel (14) upper end, heat radiation end cap (4) is installed on motor (11), by bolt a(3) fixing, fan blade (2) is installed to motor (11) motor shaft fan blade end, blast cap (1) is installed in heat radiation end cap (4).Frequency conversion control circuit is loaded motor internal, saves space, reduce costs, make frequency conversion motor structure compact, outward appearance is exquisite, easy to use, promotes the use of on a large scale and can save space, saves engineering cost.
On common electric machine basis, original motor upper end cover is transformed into the heat radiation end cap with radiator structure, heat radiation end cap is made of aluminum, and the thermal conductivity of aluminium is high, adds heat radiation end cap uniform fin, is conducive to distributing of heat in variable-frequency motor; In motor housing, install support platform additional, form frequency changer circuit control room with heat radiation end cap, motor housing, frequency conversion control circuit is arranged in frequency conversion control circuit control room, with electromechanics spaced-apart; Support platform is equipped with a radiator fan, the heat in control room is discharged to outside control room, reduce and control indoor temperature; The through wires hole that control line in control room is covered by radiating end with the power line in connection box for motor, wire barrel are connected with the through wires hole in terminal box, various wiring is avoided to be exposed to outside variable-frequency motor, prevent steam from entering in variable-frequency motor by through wires hole, make variable-frequency motor outward appearance exquisiteness attractive in appearance; Because various wiring connects when variable-frequency motor is assembled, only need external power cord be received in terminal box during use, easy to use.By above-mentioned design everywhere and improvement, make frequency conversion motor structure compact, outward appearance is exquisite, and easy to use, motor apparent size is identical with common electric machine, the conserve space while of reducing manufacturing cost.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (8)
1. a variable-frequency motor, it is characterized in that, comprise shell, stator, rotor, fan blade and frequency conversion control circuit, described rotor has motor shaft, described fan blade is fixed on the fan blade end of described motor shaft, described shell is formed with frequency changer circuit control room near the end of described fan blade, and described frequency conversion control circuit is arranged in described frequency changer circuit control room, and described motor shaft is through described frequency changer circuit control room.
2. variable-frequency motor according to claim 1, it is characterized in that, described shell is also provided with heat radiation end cap and support platform, described shell has step inner cavity structure, described support platform has ladder cylindrical structure, described support platform is arranged in the step inner cavity structure of described shell, and described heat radiation end cap is fixed on described shell, described shell, forms described frequency changer circuit control room between described support platform and described heat radiation end cap.
3. variable-frequency motor according to claim 2, is characterized in that, the outside of described heat radiation end cap is provided with fin, and described frequency conversion control circuit is fixed on described radiating end and covers.
4. variable-frequency motor according to claim 2, is characterized in that, described frequency changer circuit control room is also provided with fan.
5. variable-frequency motor according to claim 4, is characterized in that, fluted in described support platform, and described fan is arranged in described groove.
6. variable-frequency motor according to claim 2, is characterized in that, is provided with stop sleeve between described heat radiation end cap and described support platform.
7. variable-frequency motor according to claim 6, is characterized in that, described heat radiation end cap and described support platform are respectively arranged with counterbore, and the both ends of described stop sleeve are inserted in corresponding described counterbore.
8. variable-frequency motor according to claim 6, it is characterized in that, described radiating end covers and is provided with the first through wires hole, and described shell is provided with terminal box, described terminal box is provided with the second through wires hole, described first through wires hole is connected with described second through wires hole by wire barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520644477.3U CN204947777U (en) | 2015-08-25 | 2015-08-25 | A kind of variable-frequency motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520644477.3U CN204947777U (en) | 2015-08-25 | 2015-08-25 | A kind of variable-frequency motor |
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| Publication Number | Publication Date |
|---|---|
| CN204947777U true CN204947777U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520644477.3U Active CN204947777U (en) | 2015-08-25 | 2015-08-25 | A kind of variable-frequency motor |
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| CN (1) | CN204947777U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099043A (en) * | 2014-10-10 | 2015-11-25 | 青岛三利智能动力有限公司 | Variable-frequency motor |
| CN108757489A (en) * | 2018-05-25 | 2018-11-06 | 浙江东音泵业股份有限公司 | A kind of pump integrated form frequency-changing control system |
-
2015
- 2015-08-25 CN CN201520644477.3U patent/CN204947777U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099043A (en) * | 2014-10-10 | 2015-11-25 | 青岛三利智能动力有限公司 | Variable-frequency motor |
| CN105099043B (en) * | 2014-10-10 | 2018-02-23 | 青岛三利智能动力有限公司 | A kind of variable-frequency motor |
| CN108757489A (en) * | 2018-05-25 | 2018-11-06 | 浙江东音泵业股份有限公司 | A kind of pump integrated form frequency-changing control system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |