CN202405983U - Series-excited motor equipped with electromagnetic velocity measuring device - Google Patents
Series-excited motor equipped with electromagnetic velocity measuring device Download PDFInfo
- Publication number
- CN202405983U CN202405983U CN2011204930868U CN201120493086U CN202405983U CN 202405983 U CN202405983 U CN 202405983U CN 2011204930868 U CN2011204930868 U CN 2011204930868U CN 201120493086 U CN201120493086 U CN 201120493086U CN 202405983 U CN202405983 U CN 202405983U
- Authority
- CN
- China
- Prior art keywords
- measuring device
- speed measuring
- series
- coil rack
- series machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001816 cooling Methods 0.000 claims abstract description 21
- 230000005674 electromagnetic induction Effects 0.000 claims description 25
- 239000007769 metal material Substances 0.000 claims description 17
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract 3
- 230000033228 biological regulation Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Abstract
A series-excited motor equipped with an electromagnetic velocity measuring device comprises a rotor assembly, a voltage regulating circuit, the electromagnetic velocity measuring device, a front rack, a rear rack and a stator assembly which is installed between the front rack and the rear rack, wherein the rotor assembly comprises a shaft and a metal cooling fan blade which is installed at the rear end of the shaft; the metal cooling fan blade is located inside the rear rack after assembly; and the electromagnetic velocity measuring device is radially close to the outer end of the metal cooling fan blade, is fixed on the rear rack, and outputs electric signals which are transmitted to the voltage regulating circuit. The series-excited motor fully uses its own parts as revolving speed signal sources, and the electromagnetic velocity measuring device can automatically detect the revolving speed of the series-excited motor and outputs electric signals to the voltage regulating circuit for operation according to the revolving speed when the series-excited motor operates, so that the series-excited motor has proper operating voltage, can rotate in the ideal revolving speed and has the advantages of being low in noise, simple in structure, low in cost, high in action precision, high in reliability and the like.
Description
[technical field]
The utility model relates to small-power AC/DC universal series machine, detects the device of this motor speed when particularly relating to series machine work automatically, relates in particular to the series machine of equipment electromagnetism speed measuring device.
[background technology]
Prior art U series; Being the small-power series machine of AC/DC universal, is a kind of motor of extensive use in the modern household electrical equipment, has the advantage that volume is little, rotating speed is high; But also brought very big noise in the time of its high speed rotating; Rotating speed was very high when especially load was light, and noise is very big, and the noise that therefore how to reduce series machine is the problem that present urgent need solves.Prior art adopts the way that reduces voltage to reduce the rotating speed of series machine usually; Thereby can reduce noise; Because the voltage of average family is fixed; Just require series machine to have the function of automatic Regulation, and that the prerequisite of automatic Regulation is a rotating speed is known, could regulation voltage according to known rotating speed.Prior art is on the axle of series machine, to fix a magnet ring as the tach signal source; In series machine, Hall element is set again near this magnet ring place; Obtain the Hall voltage of variation and it is flowed to voltage regulator circuit, accomplish the automatic detection of series machine rotating speed.This mode has following shortcoming:
1, magnet ring complex structure, cost is higher;
2, the operation precision of Hall element is higher to the ambient temperature dependence, and reliability is relatively poor.
[utility model content]
The technical problem that the utility model will solve is to avoid the weak point of above-mentioned prior art and a kind of series machine of equipping the electromagnetism speed measuring device is provided; This series machine is owing to be equipped with the electromagnetism speed measuring device; With the electromagnetic induction is the basis; The part that makes full use of series machine itself can detect its rotating speed as the tach signal source automatically when series machine is worked, export signal of telecommunication to voltage regulator circuit work according to this rotating speed again; Make series machine that a suitable operating voltage arranged; Thereby make this series machine with more satisfactory rotational speed, reach the purpose that reduces noise, noise is little, simple in structure, cost is lower, operation precision is high and the reliability advantages of higher thereby have.
The technical scheme that the utility model solve the technical problem employing is:
A kind of series machine of equipping the electromagnetism speed measuring device is provided, comprises rotor assembly, voltage regulator circuit and forward and backward support, and be installed on the stator module between this forward and backward support; Said rotor assembly comprises axle and the metal material cooling fan blade that is installed on this shaft rear end; After the assembling, said metal material cooling fan blade is positioned at said after-poppet; Said series machine also comprises the electromagnetism speed measuring device, and this electromagnetism speed measuring device is radially near said metal material cooling fan blade outer end, and is fixed on the said after-poppet, and its output signal of telecommunication sends said voltage regulator circuit to.
Or a kind of series machine of equipping the electromagnetism speed measuring device comprises rotor assembly, voltage regulator circuit and forward and backward support, and is installed on the stator module between this forward and backward support; Said rotor assembly comprises axle; Said series machine also comprises the electromagnetism speed measuring device; Said shaft rear end is provided with flat position, and after the assembling, this flat position is positioned at said after-poppet; Said electromagnetism speed measuring device is radially located near the flat position of said axle, and is fixed on the said after-poppet, and the signal of telecommunication of its output sends said voltage regulator circuit to.
Said electromagnetism speed measuring device comprises shell, permanent magnet stem stem, coil rack and is wrapped in the electromagnetic induction coil on this coil rack, and two pieces of binding post sheets that are electrically connected respectively with said electromagnetic induction coil two ends; Said coil rack is fixing, and this coil rack is provided with central through hole in the enclosure, and said permanent magnet stem stem inserts the central through hole internal fixation of said coil rack.
Compare with prior art, the beneficial effect of the series machine of the utility model equipment electromagnetism speed measuring device is:
1, the part that utilizes series machine itself is as the tach signal source, do not need the magnet ring of prior art dress usefulness, has advantages such as simple in structure, assembling compactness and cost are lower;
2, substitute the Hall element of prior art with electromagnetic induction coil, have the high and reliability advantages of higher of operation precision;
3, noise is little.
In sum; The utility model series machine is the basis with the electromagnetic induction owing to be equipped with the electromagnetism speed measuring device, and the part that makes full use of series machine itself is as the tach signal source;, series machine can detect its rotating speed automatically when working; Export signal of telecommunication to voltage regulator circuit work according to this rotating speed again, make series machine that a suitable operating voltage arranged, thereby make this series machine with more satisfactory rotational speed; Reach the purpose that reduces noise, noise is little, simple in structure, cost is lower, operation precision is high and the reliability advantages of higher thereby have.
[description of drawings]
Fig. 1 is the main sketch map of looking of orthographic projection of the series machine preferred embodiment one of the utility model equipment electromagnetism speed measuring device;
Fig. 2 is that the rotor assembly of the said preferred embodiment one of Fig. 1 and the position of electromagnetism speed measuring device concern the main sketch map of looking of orthographic projection;
Fig. 3 is the axonometric projection sketch map of said electromagnetism speed measuring device;
Fig. 4 is the axonometric projection sketch map of another direction of electromagnetism speed measuring device shown in Figure 3;
Fig. 5 is the orthographic projection cross-sectional schematic of Fig. 3, electromagnetism speed measuring device shown in Figure 4;
Fig. 6 is the orthographic projection schematic top plan view of electromagnetism speed measuring device shown in Figure 5;
Fig. 7 is that rotor assembly and the position of electromagnetism speed measuring device of the series machine preferred embodiment two of the utility model equipment electromagnetism speed measuring device concerns the main sketch map of looking of orthographic projection;
Fig. 8 is the main sketch map of looking of the orthographic projection of the said series machine of Fig. 7.
[embodiment]
Below in conjunction with each accompanying drawing the utility model is done further explain.
Preferred embodiment one:
Referring to Fig. 1 to Fig. 6, a kind of series machine of equipping the electromagnetism speed measuring device comprises rotor assembly 10, voltage regulator circuit and forward and backward support 20,30, and is installed on this forward and backward support 20, the stator module between 30 40; Said rotor assembly 10 comprises axle 11 and the metal material cooling fan blade 12 that is installed on this 11 rear end; After the assembling, said metal material cooling fan blade 12 is positioned at said after-poppet 30; Said series machine also comprises electromagnetism speed measuring device 50, and this electromagnetism speed measuring device 50 is radially near said metal material cooling fan blade 12 outer ends, and is fixed on the said after-poppet 30, and its output signal of telecommunication sends said voltage regulator circuit to.As passing through respectively with two pieces of screws 60 outside the electromagnetism speed measuring device 50 behind two through holes 511,512 on the shell 51, electromagnetism speed measuring device 50 is fixed on the said after-poppet 30.
Referring to Fig. 3 to Fig. 6; Said electromagnetism speed measuring device 50 comprises shell 51, permanent magnet stem stem 52, coil rack 53 and is wrapped in the electromagnetic induction coil 54 on this coil rack 53, and two pieces of binding post sheets 55 that are electrically connected respectively with said electromagnetic induction coil 54 two ends; Said coil rack 53 is fixed in the shell 51, and this coil rack 53 is provided with central through hole 531, and said permanent magnet stem stem 52 inserts central through hole 531 internal fixation of said coil rack 53.
Present embodiment is to utilize the metal material cooling fan blade 12 of series machine itself to be used as the tach signal source.
Preferred embodiment two:
Referring to Fig. 3 to Fig. 8, present embodiment is substantially the same with preferred embodiment one, and difference is:
1, there is not metal material cooling fan blade 12; Therefore be provided with flat position 111 in said axle 11 rear ends, this flat position 111 is positioned at said after-poppet 30; Utilize this flat position 111 on 11 to be used as the tach signal source;
2, said electromagnetism speed measuring device 50 is radially near 111 places, flat position of said axle 11, and also is to be fixed on the said after-poppet 30.
The two big characteristics of the utility model are simply described below again:
One, tach signal source: the tach signal source is directed to rotor assembly 10;
1. referring to Fig. 1 and Fig. 2, the series machine that has is provided with the metal material cooling fan blade 12 that is fixed on the axle 11, and this metal material cooling fan blade 12 just can be used as the tach signal source; This moment, said metal material cooling fan blade 12 both can play the effect of cooling, can play the effect of revolution speed sensing again, had improved the utilance of material;
2. or; Referring to Fig. 7 and Fig. 8; If series machine does not have the metal material cooling fan blade, a flat position 111 then can be set in axle 11 suitable positions, this flat position 111 is that axle 11 rear end surfaces at rotor assembly 10 mill out a concave surface; Increase also can be used as the tach signal source with the air gap between said permanent magnet stem stem 52 end faces.
The tach signal source of prior art is fixing magnet ring on the axle of series machine, and this magnet ring is a permanent magnetism, and its complex structure and cost are higher.
Two, electromagnetic induction device: this electromagnetism speed measuring device is that the basis is designed with the electromagnetic induction.Series machine rotation, when the metal material cooling fan blade 12 on the axle 11 of series machine during near the magnetic core 52 of electromagnetism speed measuring device, the electromagnetic induction that the electromagnetic induction coil 54 of electromagnetism speed measuring device is produced is stronger, and the induced potential of its generation is also just higher; And when metal material cooling fan blade 12 leaves magnetic core 52, the electromagnetic induction that electromagnetic induction coil 54 is produced a little less than, the induced potential of its generation is also just lower; Like this, series machine whenever revolves and turns around, and the size of the induced potential that electromagnetic induction coil 54 is produced just changes once; Rotating speed is just sent to voltage regulator circuit by electromagnetic induction device with the form of the signal of telecommunication; Just can accomplish the automatic detection of series machine rotating speed, this signal of telecommunication trigger voltage regulating circuit work, thus make this series machine with more satisfactory rotational speed; Reach the purpose that reduces noise, the measurement of rotating speed that has also just formed said series machine is to the self-regulating process of rotating speed.Or, series machine rotation, when the flat position on the axle 11 of series machine 111 during near magnetic core 52 because magnetic core 52 is far away with the distance of axle 11, the electromagnetic induction that electromagnetic induction coil 54 is produced a little less than, the induced potential of its generation is also just lower; And when the non-flat bit position of axle on 11 during near magnetic core 52, the close together of magnetic core 52 and axle 11, the electromagnetic induction that electromagnetic induction coil 54 is produced is stronger, and the induced potential of its generation is also just higher; Like this, series machine whenever revolves and turns around, and the size of the induced potential that electromagnetic induction coil 54 is produced just changes once; Rotating speed is just sent to voltage regulator circuit by electromagnetic induction device with the form of the signal of telecommunication; Just can accomplish the automatic detection of series machine rotating speed, this signal of telecommunication trigger voltage regulating circuit work, thus make this series machine with more satisfactory rotational speed; Reach the purpose that reduces noise, the measurement of rotating speed that has also just formed said series machine is to the self-regulating process of rotating speed.
Prior art is the induced potential that obtains to change near magnet ring with Hall element, but the operation precision of Hall element is higher to the ambient temperature dependence, and its reliability is also relatively poor.
The above embodiment has only expressed the preferred implementation of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim; Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection range of the utility model; Therefore, all equivalents and modifications of being done with the utility model claim scope all should belong to the covering scope of the utility model claim.
Claims (4)
1. a series machine of equipping the electromagnetism speed measuring device comprises rotor assembly (10), voltage regulator circuit and forward and backward support (20,30), and is installed on the stator module (40) between this forward and backward support (20,30); Said rotor assembly (10) comprises axle (11) and is installed on the metal material cooling fan blade (12) of this axle (11) rear end; After the assembling, said metal material cooling fan blade (12) is positioned at said after-poppet (30); It is characterized in that:
Also comprise electromagnetism speed measuring device (50), this electromagnetism speed measuring device (50) is radially near said metal material cooling fan blade (12) outer end, and is fixed on the said after-poppet (30), and its output signal of telecommunication sends said voltage regulator circuit to.
2. the series machine of equipment electromagnetism speed measuring device according to claim 1 is characterized in that:
Said electromagnetism speed measuring device (50) comprises shell (51), permanent magnet stem stem (52), coil rack (53) and is wrapped in the electromagnetic induction coil (54) on this coil rack (53), and the two pieces of binding post sheets (55) that are electrically connected respectively with said electromagnetic induction coil (54) two ends; Said coil rack (53) is fixed in the shell (51), and this coil rack (53) is provided with central through hole (531), and said permanent magnet stem stem (52) inserts central through hole (531) internal fixation of said coil rack (53).
3. a series machine of equipping the electromagnetism speed measuring device comprises rotor assembly (10), voltage regulator circuit and forward and backward support (20,30), and is installed on the stator module (40) between this forward and backward support (20,30); Said rotor assembly (10) comprises axle (11); It is characterized in that:
Also comprise electromagnetism speed measuring device (50); Said axle (11) rear end is provided with flat position (111), and after the assembling, this flat position (111) is positioned at said after-poppet (30); Said electromagnetism speed measuring device (50) is radially located near the flat position (111) of said axle (11), and is fixed on the said after-poppet (30), and the signal of telecommunication of its output sends said voltage regulator circuit to.
4. the series machine of equipment electromagnetism speed measuring device according to claim 3 is characterized in that:
Said electromagnetism speed measuring device (50) comprises shell (51), permanent magnet stem stem (52), coil rack (53) and is wrapped in the electromagnetic induction coil (54) on this coil rack (53), and the two pieces of binding post sheets (55) that are electrically connected respectively with said electromagnetic induction coil (54) two ends; Said coil rack (53) is fixed in the shell (51), and this coil rack (53) is provided with central through hole (531), and said permanent magnet stem stem (52) inserts central through hole (531) internal fixation of said coil rack (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204930868U CN202405983U (en) | 2011-11-30 | 2011-11-30 | Series-excited motor equipped with electromagnetic velocity measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204930868U CN202405983U (en) | 2011-11-30 | 2011-11-30 | Series-excited motor equipped with electromagnetic velocity measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202405983U true CN202405983U (en) | 2012-08-29 |
Family
ID=46703599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204930868U Expired - Fee Related CN202405983U (en) | 2011-11-30 | 2011-11-30 | Series-excited motor equipped with electromagnetic velocity measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202405983U (en) |
-
2011
- 2011-11-30 CN CN2011204930868U patent/CN202405983U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106208545A (en) | Amorphous alloy core body permanent-magnet brushless DC electric machine | |
| CN203574521U (en) | Three-phase brushless direct current motor | |
| CN204168095U (en) | Pawl pole electromagnetism and permanent magnetism compound rectifier excitation Blast Furnace Top Gas Recovery Turbine Unit (TRT) | |
| CN205753868U (en) | Automobile electric booster steering system Brushless DC Motor Position sensing device | |
| CN202798553U (en) | Position sensor for brushless direct current motor | |
| CN202405983U (en) | Series-excited motor equipped with electromagnetic velocity measuring device | |
| CN208272820U (en) | Desk permanent-magnet synchronizes exhaust blower motor | |
| CN203645515U (en) | External rotor permanent magnet synchronous motor of industrial big fan | |
| CN1286253C (en) | Non-stator iron core brushless DC motor | |
| CN203537206U (en) | Double-rotor rare-earth permanent-magnetic brushless direct-current motor position sensor | |
| CN203522488U (en) | Coreless direct current brushless motor used for steering engine | |
| CN205977422U (en) | Non -contact inlet manifold runner controller | |
| CN106300844B (en) | array motor | |
| CN109450142A (en) | A kind of integrated printed-armature motor of integrated magnetic encoder | |
| CN201893672U (en) | Dual-head alternating current permanent magnet synchronous main shaft motor | |
| CN209593207U (en) | Magnetic circuit structure of direct current brushless motor | |
| CN201918847U (en) | Motor power improving structure of spindle | |
| CN204706995U (en) | A kind of permanent magnetism compound machine | |
| CN206302227U (en) | High-speed rotating motor capable of being accurately positioned | |
| CN209948926U (en) | Brushless DC motor for key making machine | |
| CN203398968U (en) | Permanent magnet direct current brushless motor structure | |
| CN202889152U (en) | Single-phase alternating-current permanent magnet motor | |
| CN202160083U (en) | Permanent-magnet direct current motor capable of being operated and controlled synchronously | |
| CN202652026U (en) | Self-speed-measurement permanent magnet synchronous motor | |
| CN207664849U (en) | A kind of soy bean milk making machine brushless motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 518104 Guangdong city of Shenzhen province Baoan District manhole Street manhole West Maan Shan Industrial Park, Tai Tong Industrial Zone No. 1, No. 2, No. 3 Patentee after: Dongming Shenzhen electromechanical Limited by Share Ltd Address before: 518104 Guangdong city of Shenzhen Province in Western Baoan District manhole Maan Shan Industrial Park Ditang Industrial Zone No. 2 Patentee before: Dongming Mechanical and Electrical (Shenzhen) Co., Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Series-excited motor equipped with electromagnetic velocity measuring device Effective date of registration: 20180612 Granted publication date: 20120829 Pledgee: Shenzhen Baode letter Internet Nationwide Financial Services Inc Pledgor: Dongming Shenzhen electromechanical Limited by Share Ltd Registration number: 2018980000072 |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180613 Granted publication date: 20120829 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210613 Granted publication date: 20120829 |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210613 Granted publication date: 20120829 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20211130 Granted publication date: 20120829 |
|
| 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: 20120829 Termination date: 20181130 |