CN204967580U - A micro direct current motor for desk goes up and down - Google Patents
A micro direct current motor for desk goes up and down Download PDFInfo
- Publication number
- CN204967580U CN204967580U CN201520643149.1U CN201520643149U CN204967580U CN 204967580 U CN204967580 U CN 204967580U CN 201520643149 U CN201520643149 U CN 201520643149U CN 204967580 U CN204967580 U CN 204967580U
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- China
- Prior art keywords
- fixed
- pcb board
- micromotor
- chip
- middle cover
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Abstract
The utility model discloses a micro direct current motor for desk goes up and down relates to motor technical field, including iron -clad (1), end cover (2), well lid (3), stator (4) and rotor subassembly (5) well lid (3) fixed be equipped with PCB board (31), PCB board (31) are including two hall element (32) for calculate the position and the speed of rotor subassembly (5), PCB board (31) still include inductance (33) and electric capacity (34) for the electromagnetic interference who restraines the motor. The utility model discloses integrated on a PCB board with original position sensor and electromagnetic interference suppression circuit, processing technology is simple for the PCB plate structure, can realize automated production to the motor is convenient more, nimble in the installation and maintenance engineering.
Description
Technical field
The utility model relates to technical field of motors, especially a kind of DC micromotor for desk lifting.
Background technology
At present on the market, the motor of most of desk lifting adopts servomotor or stepping motor, and these two kinds of motor cost costlinesses, cost performance is low, is not easy to marketing.The motor of part desk lifting adopts additional encoder and position to pass device to realize the lifting of desk, and this kind of structure needs additional EMC to suppress circuit, and just cause and install complexity, production efficiency is low.
The permanent-magnet brushless DC electric machine of a kind of hall position sensor and controller integral is disclosed in Chinese utility model patent specification CN102163903B, hall position sensor and electric machine controller are produced on same circuit board by this motor, improve the radiating condition of hall position sensor, can prevent hall position sensor from damaging because of overheated, reduce the repair rate of brshless DC motor, improve the reliability of motor, this structure is applicable to large-scale brushless electric machine, but there is brushless motor for small-sized, electric machine structure is complicated, in use also can there is electromagnetic interference phenomenon in commutator.
Utility model content
The utility model proposes a kind of DC micromotor for desk lifting, solve existing electric machine structure complicated, mounting process is loaded down with trivial details and in use easily produce the problem of electromagnetic interference phenomenon.
The technical solution of the utility model is achieved in that
A kind of DC micromotor for desk lifting, comprise iron-clad, end cap, middle cover, stators and rotators assembly, described end cap and iron-clad are fixed, and described middle cover is fixed on end cap, and described stator is fitted on iron-clad inwall, described rotor is arranged in the hollow part of iron-clad, described middle cover is fixed with pcb board, and described pcb board comprises two Hall elements, for calculating position and the speed of coating rotor, described pcb board also comprises inductance and electric capacity, for suppressing the electromagnetic interference of motor.
As preferably, described rotor assembly comprises coating rotor, chip, commutator, described chip and commutator are all fixed on coating rotor, described chip is wound around enamelled wire, the top of described commutator is provided with a magnet ring, described magnet ring is fixed on described coating rotor, position and the rate signal of rotor are provided to Hall element, described chip is fixed with a piezo-resistance, one end of described piezo-resistance is soldered on described commutator by solder, the other end connects | be connected to described chip, described piezo-resistance is for reducing the electromagnetic interference of motor, one end of described chip is also fixed with balance glue.
As preferably, the manhole of described middle cover is monosymmetric is provided with brush pot, carbon is provided with in described brush pot, also fixed leg is provided with in described middle cover, this fixed leg is wound with spring, and brush pot inside can be stretched in one end of spring, and top is pressed on described carbon, is released in the direction of carbon to manhole.
As preferably, in described end cap, be provided with oiliness bearing.
The utility model is by providing a kind of DC micromotor for desk lifting, its beneficial effect is: original position transducer and electromagnetic interference suppression circuit are integrated on a pcb board, pcb board structure processing technology is simple, automated production can be realized, and motor is more convenient and flexible in installation and maintenance engineering.
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 only 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 general structure installation diagram of the present utility model;
Fig. 2 is the cutaway view of middle cover 3 in Fig. 1;
Fig. 3 is the cutaway view of Fig. 1 rotor assembly 5;
Fig. 4 is the cutaway view of end cap 2 in Fig. 1.
In figure: 1-iron-clad; 2-end cap; 3-middle cover; 4-stator; 5-rotor assembly; 21-oiliness bearing; 31-PCB plate; 32-Hall element; 33-inductance; 34-electric capacity; 35-brush pot; 36-carbon; 37-fixed leg; 38-spring; 51-applies rotor; 52-chip; 53-commutator; 54-enamelled wire; 55-magnet ring; 56-piezo-resistance; 57-solder; 58-balances glue.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only 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.
A kind of DC micromotor for desk lifting as shown in Figure 1, is made up of iron-clad 1, end cap 2, middle cover 3, stator 4 and rotor assembly 5.
As shown in Figure 2, be fixed with pcb board 31 at described middle cover 3, pcb board (31) comprises two Hall elements (32), for calculating position and the speed of rotor assembly 5, pcb board 31 also comprises inductance 33 and electric capacity 34, for suppressing the electromagnetic interference of motor.Be provided with brush pot 35 the manhole of middle cover 3 is monosymmetric, be provided with carbon 36 in brush pot 35, spring 38 top is pressed on carbon 36, and spring 38 is fixed on fixed leg 37, and the direction of carbon 36 to manhole is released by spring 38.
As shown in Figure 3, rotor assembly 5 is by coating rotor 51, chip 52 and commutator 53 are formed, chip 52 and commutator 53 are all fixed on coating rotor 51, chip 52 is wound around enamelled wire 54, the top of commutator 53 is provided with a magnet ring 55, magnet ring 55 is fixed in coating rotor (51), magnet ring can provide position and the rate signal of rotor to Hall element, chip 52 is also fixed with a piezo-resistance 56, one end of piezo-resistance 56 is welded on commutator 53 by solder 57, the other end is connected to chip 52, for reducing the electromagnetic interference of motor, balance glue is also provided with in one end of chip 52.
As shown in Figure 4, end cap 2 being provided with oiliness bearing 21, playing supporting role to the coating rotor rotational movement of motor, is realize the fulcrum that electric energy conversion is become mechanical energy by motor.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (6)
1. the DC micromotor for desk lifting, comprise iron-clad (1), end cap (2), middle cover (3), stator (4) and rotor assembly (5), described end cap (2) is fixed with iron-clad (1), described middle cover (3) is fixed on end cap (2), described stator (4) is fitted on iron-clad (1) inwall, described rotor assembly (5) is arranged in the hollow part of iron-clad (1), it is characterized in that: described middle cover (3) is fixed with pcb board (31), described pcb board (31) comprises two Hall elements (32), for calculating position and the speed of rotor assembly (5), described pcb board (31) also comprises inductance (33) and electric capacity (34), for suppressing the electromagnetic interference of motor.
2. a kind of DC micromotor for desk lifting according to claim 1, it is characterized in that: described rotor assembly (5) comprises coating rotor (51), chip (52), commutator (53), described chip (52) and commutator (53) are all fixed in coating rotor (51), described chip (52) is wound around enamelled wire (54), the top of described commutator (53) is provided with a magnet ring (55), and described magnet ring (55) is fixed on described coating rotor (51).
3. a kind of DC micromotor for desk lifting according to claim 2, it is characterized in that: described chip (52) is fixed with a piezo-resistance (56), one end of described piezo-resistance (56) is soldered on described commutator (53) by solder (57), and the other end is connected to described chip (52).
4. a kind of DC micromotor for desk lifting according to claim 2, is characterized in that: one end of described chip (52) is also fixed with balance glue (58).
5. a kind of DC micromotor for desk lifting according to claim 1, it is characterized in that: the manhole of described middle cover (3) is monosymmetric is provided with brush pot (35), carbon (36) is provided with in described brush pot (35), fixed leg (37) is also provided with in described middle cover (3), this fixed leg (37) is wound with spring (38), and brush pot (35) inside can be stretched in one end of spring (38), and top is pressed on described carbon (36), is released in the direction of carbon (36) to manhole.
6. a kind of DC micromotor for desk lifting according to claim 1, is characterized in that: be provided with oiliness bearing (21) in described end cap (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520643149.1U CN204967580U (en) | 2015-08-24 | 2015-08-24 | A micro direct current motor for desk goes up and down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520643149.1U CN204967580U (en) | 2015-08-24 | 2015-08-24 | A micro direct current motor for desk goes up and down |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204967580U true CN204967580U (en) | 2016-01-13 |
Family
ID=55062620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520643149.1U Expired - Fee Related CN204967580U (en) | 2015-08-24 | 2015-08-24 | A micro direct current motor for desk goes up and down |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204967580U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499738A (en) * | 2016-01-21 | 2016-04-20 | 深圳市科美达自动化设备有限公司 | Tin soldering method for commutator pin of carbon brush motor rotor |
| CN108903239A (en) * | 2018-08-10 | 2018-11-30 | 常州天安尼康达电器有限公司 | Same table |
-
2015
- 2015-08-24 CN CN201520643149.1U patent/CN204967580U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499738A (en) * | 2016-01-21 | 2016-04-20 | 深圳市科美达自动化设备有限公司 | Tin soldering method for commutator pin of carbon brush motor rotor |
| CN105499738B (en) * | 2016-01-21 | 2017-12-29 | 深圳市科美达自动化设备有限公司 | The tin-soldering method of carbon brush motor rotor commutator pin |
| CN108903239A (en) * | 2018-08-10 | 2018-11-30 | 常州天安尼康达电器有限公司 | Same table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20210824 |