CN2409894Y - Isolating impedance-changing speed regulator for suction cleaner - Google Patents
Isolating impedance-changing speed regulator for suction cleaner Download PDFInfo
- Publication number
- CN2409894Y CN2409894Y CN 99253375 CN99253375U CN2409894Y CN 2409894 Y CN2409894 Y CN 2409894Y CN 99253375 CN99253375 CN 99253375 CN 99253375 U CN99253375 U CN 99253375U CN 2409894 Y CN2409894 Y CN 2409894Y
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- Prior art keywords
- vacuum cleaner
- bcr
- isolated form
- electric capacity
- resistance
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- 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
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- Control Of Ac Motors In General (AREA)
- Electric Vacuum Cleaner (AREA)
Abstract
The utility model relates to an isolating impedance-changing speed regulator for a suction cleaner, which comprises a bidirectional thyristor (BCR), a bidirectional trigger diode (D), a capacitor (C2), and the charging circuit of the capacitor (C2), wherein, the bidirectional thyristor (BCR) is connected in series with a motor of a suction cleaner; one end of the bidirectional trigger diode (D) is connected to the control pole of the bidirectional thyristor (BCR), and the other end of the bidirectional trigger diode (D) is connected with the capacitor C2. The utility model is characterized in that the charging circuit is connected in series with the primary pole of the isolating transformer (B), and the secondary pole of the isolating transformer (B) is connected with a variable impedor. The utility model can be used for the speed regulation of the handle of the suction cleaner. The utility model has the advantages of simple structure and high reliability. The utility model conforms to the requirements of safety certification.
Description
The utility model relates to dust catcher, is specifically related to a kind of speed regulator of dust catcher.
The speed-regulating function of existing dust catcher on installation and operation format, mainly is divided into two kinds: the one, and speed regulator is installed on the dust catcher body together with functional unit, and operation is also carried out on body, is called the body speed governing; The 2nd, the speed regulator major part is installed in the body, functional unit is installed on the handle of hose, functional unit links to each other with speed regulator in the body by the lead that is embedded in the hose, operation can realize the speed governing to dust catcher on lever operated parts, and this mode is called the handle speed governing.Body speed regulator commonly used is a kind of thyristor speed control circuit, comprise bidirectional triode thyristor, bidirectional trigger diode, electric capacity and the charge circuit that constitutes by resistance, potentiometer, bidirectional triode thyristor is connected with motor of dust collector, one end of bidirectional trigger diode is connected to the control utmost point of bidirectional triode thyristor, the other end links to each other with electric capacity, realizes the speed governing of dust catcher by regulator potentiometer.Handle speed regulator commonly used comprises isolating transformer, speed regulating control waveshaping circuit, manual mode operation part, control signal coupling circuit and drive circuit, supply with the required power supply of weak control circuit by isolating transformer, the formation of speed regulating control signal and manual mode operation are all finished in the light current circuit, and light current speed regulating control signal is by the executive component again drive motors work of isolation coupling circuit transmission to strong power part.Aforementioned body governor structure is simple, but operation part belongs to the forceful electric power circuit, do not meet the safety certification requirement when being used for the handle speed governing, and the handle speed regulator of design has adopted twice strong and weak electricity to isolate for this reason, the control circuit at light current place by rectifying and wave-filtering, zero cross signal detect, variable angle of flow control signal forms etc., and several parts are formed, structure is complicated, causes circuit reliability decline and cost higher.
The utility model purpose provides a kind ofly can be used for that handle speed governing, circuit structure are simple, good reliability, meet the vacuum cleaner speed changer that safety certification requires.
For achieving the above object, the technical solution adopted in the utility model is: a kind of isolated form impedance vacuum cleaner speed changer, the charge circuit that comprises bidirectional triode thyristor, bidirectional trigger diode, electric capacity and electric capacity, bidirectional triode thyristor is connected with motor of dust collector, one end of bidirectional trigger diode is connected to the control utmost point of bidirectional triode thyristor, the other end links to each other with electric capacity, is in series with the elementary of an isolating transformer in the described charge circuit, and a secondary and variableimpedance of isolating transformer links to each other.
In the technique scheme, described variableimpedance can be potentiometer, also can be the variable equivalent resistance that is made of electronic circuit.
Further technical scheme can the resistance that is provided with in parallel with described electric capacity.
In the technique scheme, for satisfying the needs of safety certification, described resistance is in series by two resistance, and described electric capacity is formed by two capacitances in series.
In the technique scheme, an end of described charge circuit can be connected to motor and silicon controlled junction, and in order to give the circuit supply behind the isolating transformer, a end that also can described charge circuit directly is connected with power supply.
The utility model operation principle is:
In the circuit of existing body speed regulator, referring to accompanying drawing 1, by the regulator potentiometer control silicon controlled angle of flow, reach the purpose of speed governing, in the technical solution of the utility model, with a no-load voltage ratio is n: 1 isolating transformer and the alternative original potentiometer of isolation speed governing part that variableimpedance is formed, and the elementary position that is connected on former potentiometer of isolating transformer, the secondary variableimpedance that connects is (as potentiometer R
W2), the impedance that is reflected to primary can be similar to thinks Z
Elementary=n
2R
W2, because R
W2Be a variable resistor, then Z
ElementaryBe a variableimpedance also, work as Z
ElementaryWith R
W2Variation and when changing, the time constant of this partial circuit and the corresponding silicon controlled angle of flow also change thereupon, thereby reached speed-regulating function.Because introducing the inductance composition, the access of transformer causes the circuit instability in order to prevent, can a resistance in parallel with electric capacity, and the Q value of reduction circuit.
Because the technique scheme utilization, the utility model compared with prior art has following advantage:
1, because the utility model has only been realized the isolation speed governing with an isolating transformer and a few components, compare with existing handle speed regulator, structure is greatly simplified.
2, because the element that the utility model uses is less, isolating transformer is compared low in energy consumption with existing handle speed regulator, improved the reliability of transformer.
3, compare with existing manual speed regulator, circuit structure is simplified, and cost only is about 60 percent of original handle control speed regulator.
Accompanying drawing 1 is the circuit theory diagrams of existing dust catcher body speed regulator;
Accompanying drawing 2 is the principle schematic of existing dust catcher isolated form handle speed regulator;
Accompanying drawing 3 is the circuit theory schematic diagram of the utility model embodiment one;
Accompanying drawing 4 is the circuit theory diagrams of the utility model embodiment two;
Accompanying drawing 5 is the circuit theory diagrams of the utility model embodiment three.
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment one: shown in accompanying drawing 3, a kind of isolated form impedance vacuum cleaner speed changer comprises bidirectional triode thyristor BCR, bidirectional trigger diode D, capacitor C
2, resistance R
2And capacitor C
2Charge circuit, bidirectional triode thyristor BCR connects with motor of dust collector M, the end of bidirectional trigger diode D is connected to the control utmost point, the other end and the capacitor C of bidirectional triode thyristor BCR
2Link to each other resistance R
2With capacitor C
2Parallel connection is in series with the elementary of an isolating transformer B in the described charge circuit, the secondary and potentiometer R of isolating transformer B
W2Link to each other, an end of described charge circuit is connected to the junction of motor M and bidirectional triode thyristor BCR.
Embodiment two: shown in accompanying drawing 4, and a kind of and embodiment one similar isolated form impedance vacuum cleaner speed changer, wherein said resistance R
2By two resistance R
2And R
3Be in series described electric capacity [C
2] by two capacitor C
2And C
3Be in series resistance R elementary also in parallel of isolating transformer
4, resistance R
4Value can be in hundreds of kilo-ohm, capacitor C
1Select the electric capacity that has certification mark for use.This embodiment meets the requirement of safety certification, will make short-circuit test one by one to the common components of no safety certification during owing to safety certification, thereby to R
2And C
3Select for use two elements to substitute.R wherein
4The initial minimum power that can regulate alignment circuit that is provided with make circuit more stable simultaneously.
Embodiment three: shown in accompanying drawing 5, a kind of isolated form impedance vacuum cleaner speed changer comprises the capacitor C of bidirectional triode thyristor BCR, bidirectional trigger diode D, two series connection
2, C
3, two series connection resistance R
2, R
3With the charge circuit of electric capacity, bidirectional triode thyristor BCR connects with motor of dust collector M, and the end of bidirectional trigger diode D is connected to the control utmost point, the other end and the capacitor C of bidirectional triode thyristor BCR
2Link to each other resistance R
2With capacitor C
2In parallel, be in series with the elementary of an isolating transformer B in the described charge circuit, the secondary equivalent variable impedance circuit that is connected to band LED power (rotating speed) Presentation Function of isolating transformer B, one end of described charge circuit directly is connected with power supply, above-mentioned equivalent variable impedance circuit mainly constitutes a current source by triode BG, by regulating R
W2Resistance can change current value and promptly change secondary equivalent resistance, thereby change primary impedance, reach the purpose of speed governing, choose reasonable divider resistance R
7, R
8, R
9, R
10Resistance can make when current source current changes from small to large LED
1, LED
2, LED
3, LED
4Brighten one by one, reach the purpose that power (rotating speed) shows.
Claims (7)
1, a kind of isolated form impedance vacuum cleaner speed changer comprises bidirectional triode thyristor [BCR], bidirectional trigger diode [D], electric capacity [C
2] and electric capacity [C
2] charge circuit, bidirectional triode thyristor [BCR] is connected with motor of dust collector [M], an end of bidirectional trigger diode [D] is connected to the control utmost point of bidirectional triode thyristor [BCR], the other end and electric capacity [C
2] link to each other, it is characterized in that: be in series with the elementary of an isolating transformer [B] in the described charge circuit, a secondary and variableimpedance of isolating transformer [B] links to each other.
2, isolated form impedance vacuum cleaner speed changer as claimed in claim 1, it is characterized in that: described variableimpedance is potentiometer [R
W2].
3, isolated form impedance vacuum cleaner speed changer as claimed in claim 1 is characterized in that: the variable equivalent resistance of described variableimpedance for being made of electronic circuit.
4, as claim 1 or 2 or 3 described isolated form impedance vacuum cleaner speed changers, it is characterized in that: also be provided with resistance [R
2], it and described electric capacity [C
2] parallel connection.
5, isolated form impedance vacuum cleaner speed changer as claimed in claim 4 is characterized in that: described resistance [R
2] be in series described electric capacity [C by two resistance
2] form by two capacitances in series.
6, isolated form impedance vacuum cleaner speed changer as claimed in claim 1 is characterized in that: an end of described charge circuit is connected to the junction of motor [M] and bidirectional triode thyristor [BCR].
7, isolated form impedance vacuum cleaner speed changer as claimed in claim 1 is characterized in that: an end of described charge circuit directly is connected with power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99253375 CN2409894Y (en) | 1999-11-17 | 1999-11-17 | Isolating impedance-changing speed regulator for suction cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99253375 CN2409894Y (en) | 1999-11-17 | 1999-11-17 | Isolating impedance-changing speed regulator for suction cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2409894Y true CN2409894Y (en) | 2000-12-13 |
Family
ID=34037284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99253375 Expired - Fee Related CN2409894Y (en) | 1999-11-17 | 1999-11-17 | Isolating impedance-changing speed regulator for suction cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2409894Y (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7601188B2 (en) | 2005-12-10 | 2009-10-13 | Lg Electronics Inc. | Vacuum cleaner |
| CN101316543B (en) * | 2005-11-29 | 2010-06-16 | Kos技术股份有限公司 | Portable household appliance |
| US7749295B2 (en) | 2005-12-10 | 2010-07-06 | Lg Electronics Inc. | Vacuum cleaner with removable dust collector, and methods of operating the same |
| US7770253B2 (en) | 2005-12-10 | 2010-08-10 | Lg Electronics Inc. | Vacuum cleaner with removable dust collector, and methods of operating the same |
| US7785396B2 (en) | 2005-12-10 | 2010-08-31 | Lg Electronics Inc. | Vacuum cleaner with removable dust collector, and methods of operating the same |
| CN101141907B (en) * | 2005-03-18 | 2010-09-08 | 沃维克股份有限公司 | Vacuum cleaner comprising a simple signal transmission device arranged between the handle and/or attachment and the base part |
| CN101138478B (en) * | 2006-09-06 | 2010-09-29 | Lg电子株式会社 | Method of controlling vacuum cleaner |
| US7958598B2 (en) | 2007-01-24 | 2011-06-14 | Lg Electronics Inc. | Vacuum cleaner |
| US7987551B2 (en) | 2005-12-10 | 2011-08-02 | Lg Electronics Inc. | Vacuum cleaner |
| US7992252B2 (en) | 2009-02-12 | 2011-08-09 | Lg Electronics Inc. | Vacuum cleaner |
| US8012250B2 (en) | 2005-12-10 | 2011-09-06 | Lg Electronics Inc. | Vacuum cleaner |
| US8151409B2 (en) | 2009-02-26 | 2012-04-10 | Lg Electronics Inc. | Vacuum cleaner |
| US8281455B2 (en) | 2005-12-10 | 2012-10-09 | Lg Electronics Inc. | Vacuum cleaner |
| US8404034B2 (en) | 2005-12-10 | 2013-03-26 | Lg Electronics Inc. | Vacuum cleaner and method of controlling the same |
| US8544143B2 (en) | 2005-12-10 | 2013-10-01 | Lg Electronics Inc. | Vacuum cleaner with removable dust collector, and methods of operating the same |
| US8713752B2 (en) | 2009-03-13 | 2014-05-06 | Lg Electronics Inc. | Vacuum cleaner |
| US8978197B2 (en) | 2009-03-13 | 2015-03-17 | Lg Electronics Inc. | Vacuum cleaner |
| CN112128798A (en) * | 2020-09-27 | 2020-12-25 | 上海交通大学 | An ignition device with controllable energy, pulse width and frequency |
-
1999
- 1999-11-17 CN CN 99253375 patent/CN2409894Y/en not_active Expired - Fee Related
Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101141907B (en) * | 2005-03-18 | 2010-09-08 | 沃维克股份有限公司 | Vacuum cleaner comprising a simple signal transmission device arranged between the handle and/or attachment and the base part |
| CN101316543B (en) * | 2005-11-29 | 2010-06-16 | Kos技术股份有限公司 | Portable household appliance |
| US8021452B2 (en) | 2005-12-10 | 2011-09-20 | Lg Electronics Inc. | Vacuum cleaner with removable dust collector, and methods of operating the same |
| US8312593B2 (en) | 2005-12-10 | 2012-11-20 | Lg Electronics Inc. | Vacuum cleaner with removable dust collector, and methods of operating the same |
| US7785396B2 (en) | 2005-12-10 | 2010-08-31 | Lg Electronics Inc. | Vacuum cleaner with removable dust collector, and methods of operating the same |
| US7749295B2 (en) | 2005-12-10 | 2010-07-06 | Lg Electronics Inc. | Vacuum cleaner with removable dust collector, and methods of operating the same |
| US8043410B2 (en) | 2005-12-10 | 2011-10-25 | Lg Electronics Inc. | Vacuum cleaner with removable dust collector, and methods of operating the same |
| US7882592B2 (en) | 2005-12-10 | 2011-02-08 | Lg Electronics Inc. | Vacuum cleaner |
| US8544143B2 (en) | 2005-12-10 | 2013-10-01 | Lg Electronics Inc. | Vacuum cleaner with removable dust collector, and methods of operating the same |
| US7987551B2 (en) | 2005-12-10 | 2011-08-02 | Lg Electronics Inc. | Vacuum cleaner |
| US8404034B2 (en) | 2005-12-10 | 2013-03-26 | Lg Electronics Inc. | Vacuum cleaner and method of controlling the same |
| US7601188B2 (en) | 2005-12-10 | 2009-10-13 | Lg Electronics Inc. | Vacuum cleaner |
| US7998234B2 (en) | 2005-12-10 | 2011-08-16 | Lg Electronics Inc. | Vacuum cleaner with removable dust collector, and methods of operating the same |
| US8043397B2 (en) | 2005-12-10 | 2011-10-25 | Lg Electronics Inc. | Vacuum cleaner with removable dust collector, and methods of operating the same |
| US7770253B2 (en) | 2005-12-10 | 2010-08-10 | Lg Electronics Inc. | Vacuum cleaner with removable dust collector, and methods of operating the same |
| US8281455B2 (en) | 2005-12-10 | 2012-10-09 | Lg Electronics Inc. | Vacuum cleaner |
| US8012250B2 (en) | 2005-12-10 | 2011-09-06 | Lg Electronics Inc. | Vacuum cleaner |
| US8060979B2 (en) | 2005-12-10 | 2011-11-22 | Lg Electronics Inc. | Vacuum cleaner with removable dust collector, and methods of operating the same |
| US8240001B2 (en) | 2005-12-10 | 2012-08-14 | Lg Electronics Inc. | Vacuum cleaner with removable dust collector, and methods of operating the same |
| CN101138478B (en) * | 2006-09-06 | 2010-09-29 | Lg电子株式会社 | Method of controlling vacuum cleaner |
| US7992253B2 (en) | 2007-01-24 | 2011-08-09 | Lg Electronics Inc. | Vacuum cleaner |
| US7958598B2 (en) | 2007-01-24 | 2011-06-14 | Lg Electronics Inc. | Vacuum cleaner |
| US8881343B2 (en) | 2009-02-12 | 2014-11-11 | Lg Electronics Inc. | Vacuum cleaner |
| US7992252B2 (en) | 2009-02-12 | 2011-08-09 | Lg Electronics Inc. | Vacuum cleaner |
| US8528163B2 (en) | 2009-02-12 | 2013-09-10 | Lg Electronics Inc. | Vacuum cleaner |
| US8151409B2 (en) | 2009-02-26 | 2012-04-10 | Lg Electronics Inc. | Vacuum cleaner |
| US8713752B2 (en) | 2009-03-13 | 2014-05-06 | Lg Electronics Inc. | Vacuum cleaner |
| US8978197B2 (en) | 2009-03-13 | 2015-03-17 | Lg Electronics Inc. | Vacuum cleaner |
| CN112128798A (en) * | 2020-09-27 | 2020-12-25 | 上海交通大学 | An ignition device with controllable energy, pulse width and frequency |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |