CN202811439U - Multi-speed control circuit for air conditioner fan or fan - Google Patents
Multi-speed control circuit for air conditioner fan or fan Download PDFInfo
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- CN202811439U CN202811439U CN 201220411287 CN201220411287U CN202811439U CN 202811439 U CN202811439 U CN 202811439U CN 201220411287 CN201220411287 CN 201220411287 CN 201220411287 U CN201220411287 U CN 201220411287U CN 202811439 U CN202811439 U CN 202811439U
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- fan
- limiting circuit
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- circuit
- drive motor
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Abstract
The utility model discloses a multi-speed control circuit for an air conditioner fan or a fan. The multi-speed control circuit for the air conditioner fan or the fan comprises a control unit, a three-speed switch speed governing circuit, a drive motor, a switching control module and a controllable current-limiting circuit, wherein the control unit, the three-speed switch speed governing circuit, the drive motor, the switching control module and the controllable current-limiting circuit are sequentially connected with each other. The controllable current-limiting circuit is arranged on a total input-wire or a total output-wire of the drive motor. The switching control module is connected with the control end of the controllable current-limiting circuit through the control unit. The control unit controls the drive motor to work within a first three speeds based on the three-speed switch speed governing circuit when the switching control module does not output an effective signal. When the switching control module outputs the effective signal, the control unit controls the drive motor to switch to work within a second three speeds based on the three-speed switch speed governing circuit. The multi-speed control circuit for the air conditioner fan or the fan has the advantages of regulating flexibly and conveniently, saving energy and being small in running noise at lower speed, simple in structure and wide in application range.
Description
Technical field
The utility model relates to the home appliance field, is specifically related to a kind of many grades of control circuits for air conditioning fan or fan.
Background technique
The fan of prior art and air conditioning fan generally adopt drive motor, realize the third gear adjusting.But when fan was used in night sleep, the shortcoming that the ubiquity noise is larger caused the user to have difficulty in going to sleep or wakes up with a start easily, causes user's sleep quality not high; Although and air conditioning fan is relatively quiet, there is the large shortcoming of power consumption, it is higher to use cost.
The model utility content
The technical problems to be solved in the utility model provides a kind of flexible adjustment convenience, energy saving, low cruise noise many grades of control circuits that are used for air conditioning fan or fan little, simple in structure, applied widely.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of many grades of control circuits for air conditioning fan or fan, comprise the control unit that links to each other successively, third gear switch alignment circuit and drive motor, described many grades of control circuits also comprise switching controls module and controllable current limiting circuit, described controllable current limiting circuit is located on the total input-wire or total outlet of drive motor, described switching controls module links to each other by the control end of control unit with the controllable current limiting circuit, described control unit is not worked in first third gear according to third gear switch alignment circuit control drive motor when the switching controls module is exported useful signal, and described control unit switches in second third gear according to third gear switch alignment circuit control drive motor when switching controls module output useful signal and works.
As further improvement in the technical proposal:
Preferably, the switching controls module is key switch or remote keying module.
Preferably, described controllable current limiting circuit is the capacitive reactance current-limiting circuit; Preferably, described capacitive reactance current-limiting circuit comprises magnetic switch and the current limiting capacitance of parallel connection, and described current limiting capacitance is located on the total input-wire or total outlet of drive motor, and the control end of described magnetic switch links to each other with control unit.
Perhaps preferably, described controllable current limiting circuit is the induction reactance current-limiting circuit.Preferably, described induction reactance current-limiting circuit comprises magnetic switch and the AC reactor of parallel connection, and described AC reactor is located on the total input-wire or total outlet of drive motor, and the control end of described magnetic switch links to each other with control unit.
Perhaps preferably, described controllable current limiting circuit is the voltage stabilizing current-limiting circuit; Preferably, described voltage stabilizing current-limiting circuit is controllable silicon, and described silicon controlled control end links to each other with described control unit.
The utlity model has following advantage: the utility model has increased switching controls module and controllable current limiting circuit on the basis of existing technology, the controllable current limiting circuit is located on the total input-wire or total outlet of drive motor, the switching controls module links to each other by the control end of control unit with the controllable current limiting circuit, control unit is not worked in first third gear according to third gear switch alignment circuit control drive motor when the switching controls module is exported useful signal, control unit switches in second third gear according to third gear switch alignment circuit control drive motor when switching controls module output useful signal and works, therefore can be on the basis that keeps original three gears, three driving switch realizations that simple realization increases than low speed amount to six driving switch, make the rotating speed of air-cooling fan motor that the more adjusting of wide range be arranged, be fit to demand high wind or quietly wind speed gear adjusting, have flexible adjustment conveniently, energy saving, the low cruise noise is little, simple in structure, advantage applied widely.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the utility model embodiment one frame structure schematic representation.
Fig. 2 is the utility model embodiment one circuit theory schematic representation.
Fig. 3 is the utility model embodiment two circuit theory schematic representation.
Fig. 4 is the utility model embodiment three circuit theory schematic representation.
Marginal data: 1, control unit; 2, third gear switch alignment circuit; 3, drive motor; 4, switching controls module; 5, controllable current limiting circuit.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that protection domain of the present utility model is made more explicit defining.
Embodiment one:
As shown in Figure 1, the many grades of control circuits that present embodiment is used for air conditioning fan or fan comprise the control unit 1 that links to each other successively, third gear switch alignment circuit 2, drive motor 3, switching controls module 4 and controllable current limiting circuit 5, controllable current limiting circuit 5 is located on the total input-wire or total outlet of drive motor 3, switching controls module 4 links to each other with the control end of controllable current limiting circuit 5 by control unit 1, control unit 1 is not worked in first third gear according to third gear switch alignment circuit 2 control drive motor 3 when switching controls module 4 is exported useful signal, and control unit 1 switches in second third gear according to third gear switch alignment circuit 2 control drive motor 3 when switching controls module 4 output useful signal and works.In the present embodiment, first third gear is 1#, 2#, 3# totally three class, second third gear is 4#, 5#, 6# totally three class, and 1# is identical with the switching position of the corresponding third gear switch alignment circuit 2 of 6# with 5#, 3# with 4#, 2#, and its difference is the effective status of switching controls module 4 output signals.For example, originally switching controls module 4 output signals are disarmed state, and third gear switch alignment circuit 2 original control drive motor 3 are in 1#, and then controlling switching controls module 4 output signals is effective status, and then drive motor 3 is in 4#.Switching controls module 4 and controllable current limiting circuit 5 are actually have been increased by 3 rotating speed is lower, noise is less on original gear basis, the gear of energy saving more, therefore has flexible adjustment convenience, energy saving, low cruise noise advantage little, simple in structure, applied widely.
As shown in Figure 2, control unit 1 adopts the IC chip microcontroller.Third gear switch alignment circuit 2 is realized based on VS1, VS2, three gate turnoff thyristors of VS3.Drive motor 3 has 1,2 two coil for having the AC motor (M) of 130 degrees centigrade auto-breaking protective function in the motor, wherein 1 is three tap speed-regulating main windings, and 2 is the secondary winding starting coil.One end lighting outlet RD of 1 main winding is connected with the C1 start-up capacitance; the other end of C1 start-up capacitance is connected with the 2 lighting outlet GY that start the secondary winding coil; motor coil winding Inner dress is pasting a hot coupling temperature detect switch (TDS) of KM; the hot coupling temperature detect switch (TDS) of this KM is generally selected at 130 degree; when the motor coil temperature raise 130 when spending; the hot coupling temperature detect switch (TDS) of KM again conducting becomes open circuit; make drive motor 3 start the secondary winding coil and do not have electric current and voltage; thereby motor is not worked, and has realized that excess Temperature protects automatically.1 main winding has three taps, it is BU low speed, YE middling speed, the high rotating speed lighting outlet of WT, it respectively with third gear switch alignment circuit 2 in VS1, VS2, VS3 gate turnoff thyristor pipe A anodic bonding, the k negative electrode of VS1, VS2, VS3 gate turnoff thyristor pipe is connected to the FU protective tube, and the other end of FU protective tube is connected to power supply L live wire input end.VS1, VS2, VS3 gate turnoff thyristor pipe G control Ji Fen Do and R1, R2, R3 current limliting trigger resistance and are connected to control unit 1(IC single-chip microcomputer) the intelligent control of leading foot enforcement.Switching controls module 4 can be selected key switch or remote keying module as required, in the present embodiment, switching controls module 4 comprises key switch and remote keying module simultaneously, wherein SQP is the strong input of manual ringing of corresponding key switch, VD is the infrared ray photoelectric receiving tube of corresponding remote keying module, is used for Yuan Ju from inputting Wu Xian Away control signal.The controllable current limiting circuit 5 of present embodiment is the capacitive reactance current-limiting circuit; The capacitive reactance current-limiting circuit of present embodiment comprises magnetic switch KJ/KJ1 and the current limiting capacitance C2 of parallel connection, current limiting capacitance C2 is located in total outlet of drive motor 3 (be located on the total input-wire also can), and the control end of magnetic switch KJ/KJ1 links to each other with control unit 1 by resistance R 4.Magnetic switch KJ/KJ1 links to each other with input power by controllable silicon VS4.
The working principle of controllable current limiting circuit 5 is as follows in the present embodiment: when control unit 1 output high level, the voltage of high level triggers the control utmost point G that resistance R 4 offers controllable silicon VS4 through current limliting, VS4 controllable silicon negative electrode K and anode A conducting, the KJ relay coil obtains voltage, the K switch J1 adhesive of relay, current limiting capacitance C2 is by short circuit, and control unit 1 is worked in first third gear (1#, 2#, 3#) according to third gear switch alignment circuit 2 control drive motor 3; When control unit 1 output low level, VS4 controllable silicon negative electrode K and anode A disconnect, and magnetic switch KJ1 disconnects, and this moment, current limiting capacitance C2 was connected, current limiting capacitance C2 can not intercept Ac, but the capacitive reactance that can produce under the alternating signal frequency limits maximum operating currenbt.For example, under the power frequency condition of 50Hz, the capacitive reactance that the electric capacity of a 1uF produces is about 3180 ohm, be added in the two ends of current limiting capacitance C2 when the alternating voltage of 220V, the maximum current that then flows through electric capacity is about 70mA, although flow through the electric current of electric capacity 70mA is arranged, but on current limiting capacitance C2, do not produce power consumption, because if current limiting capacitance C2 is an ideal capacitance, the electric current that then flows through current limiting capacitance C2 is the imaginary part electric current, its institute's work is wattless power, therefore because the metering function of current limiting capacitance C2, in fact be equivalent to reduce the electric current in loop, drive motor 3 place, thereby so that this moment control unit 1 according to third gear switch alignment circuit 2 control drive motor 3 at first third gear (4#, 5#, work 6#).
Embodiment two:
Present embodiment and embodiment one are basic identical, and its difference is that controllable current limiting circuit 5 is the induction reactance current-limiting circuit.As shown in Figure 3, the induction reactance current-limiting circuit of present embodiment comprises magnetic switch KJ2/KJ3 and the AC reactor LAC of parallel connection, AC reactor LAC is located in total outlet of drive motor 3 (be located on the total input-wire also can), and the control end of magnetic switch KJ2/KJ3 links to each other with control unit 1 by resistance R 5.Magnetic switch KJ2/KJ3 links to each other with input power by controllable silicon VS5.The induction reactance current-limiting circuit of present embodiment and embodiment's one capacitive reactance current-limiting circuit basic simlarity, difference are that current limliting capacitor C 2 has changed AC reactor LAC into.
The working principle of controllable current limiting circuit 5 is as follows in the present embodiment: when control unit 1 by resistance R 5 during to the control end G output high level of controllable silicon VS5, the negative electrode K of controllable silicon VS5 and anode A conducting, AC reactor LAC is by short circuit, and this moment, control unit 1 was worked in first third gear (1#, 2#, 3#) according to third gear switch alignment circuit 2 control drive motor 3; When control unit 1 by resistance R 5 during to the control end G output low level of controllable silicon VS5, the negative electrode K of controllable silicon VS5 and anode A disconnect, AC reactor LAC access circuit, because the induction reactance of AC reactor LAC itself, AC reactor LAC plays metering function to the electric current of circuit, thereby control unit 1 is worked in second third gear (4#, 5#, 6#) according to third gear switch alignment circuit 2 control drive motor 3.
Embodiment three:
Present embodiment and embodiment one are basic identical, and its difference is that controllable current limiting circuit 5 is the voltage stabilizing current-limiting circuit.As shown in Figure 4, the mu balanced circuit of present embodiment is controllable silicon (silicon crystal thyratron) VS6, and the control end of controllable silicon VS6 links to each other with control unit 1.
The working principle of ghyristor circuit 5 is as follows in the present embodiment: when control unit 1 by resistance R 6 during to the control end G output high level of controllable silicon VS6, the negative electrode K of controllable silicon VS6 and anode A conducting, this moment, control unit 1 was worked in first third gear (1#, 2#, 3#) according to three position switch alignment circuits, 2 control drive motor 3; When control unit 1 during by the control end G input time delay evoked potential to resistance R 6 to controllable silicon VS6, make negative electrode K and the anode A two terminal voltage Delayed conductings of controllable silicon VS6, controllable silicon VS6 plays metering function, and control unit 1 is worked in second third gear (4#, 5#, 6#) according to third gear switch alignment circuit 2 control drive motor 3.
The above only is preferred implementation of the present utility model, and protection domain of the present utility model is not limited in above-mentioned mode of execution, and every technological scheme that belongs to the utility model principle all belongs to protection domain of the present utility model.For a person skilled in the art, some improvements and modifications of under the prerequisite that does not break away from principle of the present utility model, carrying out, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. many grades of control circuits that are used for air conditioning fan or fan, comprise the control unit (1) that links to each other successively, third gear switch alignment circuit (2) and drive motor (3), it is characterized in that: described many grades of control circuits also comprise switching controls module (4) and controllable current limiting circuit (5), described controllable current limiting circuit (5) is located on the total input-wire or total outlet of drive motor (3), described switching controls module (4) links to each other with the control end of controllable current limiting circuit (5) by control unit (1), described control unit (1) is not worked in first third gear according to third gear switch alignment circuit (2) control drive motor (3) when exporting useful signal in switching controls module (4), and described control unit (1) switches in work in second third gear according to third gear switch alignment circuit (2) control drive motor (3) when switching controls module (4) output useful signal.
2. many grades of control circuits for air conditioning fan or fan according to claim 1, it is characterized in that: described switching controls module (4) is key switch or remote keying module.
3. many grades of control circuits for air conditioning fan or fan according to claim 1 and 2 is characterized in that: described controllable current limiting circuit (5) is the capacitive reactance current-limiting circuit.
4. many grades of control circuits for air conditioning fan or fan according to claim 3, it is characterized in that: described capacitive reactance current-limiting circuit comprises magnetic switch and the current limiting capacitance of parallel connection, described current limiting capacitance is located on the total input-wire or total outlet of drive motor (3), and the control end of described magnetic switch links to each other with control unit (1).
5. many grades of control circuits for air conditioning fan or fan according to claim 1 and 2 is characterized in that: described controllable current limiting circuit (5) is the induction reactance current-limiting circuit.
6. many grades of control circuits for air conditioning fan or fan according to claim 5, it is characterized in that: described induction reactance current-limiting circuit comprises magnetic switch and the AC reactor of parallel connection, described AC reactor is located on the total input-wire or total outlet of drive motor (3), and the control end of described magnetic switch links to each other with control unit (1).
7. many grades of control circuits for air conditioning fan or fan according to claim 1 and 2 is characterized in that: described controllable current limiting circuit (5) is the voltage stabilizing current-limiting circuit.
8. many grades of control circuits for air conditioning fan or fan according to claim 7, it is characterized in that: described voltage stabilizing current-limiting circuit is controllable silicon, described silicon controlled control end links to each other with described control unit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220411287 CN202811439U (en) | 2012-08-17 | 2012-08-17 | Multi-speed control circuit for air conditioner fan or fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220411287 CN202811439U (en) | 2012-08-17 | 2012-08-17 | Multi-speed control circuit for air conditioner fan or fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202811439U true CN202811439U (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220411287 Expired - Fee Related CN202811439U (en) | 2012-08-17 | 2012-08-17 | Multi-speed control circuit for air conditioner fan or fan |
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| Country | Link |
|---|---|
| CN (1) | CN202811439U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817860A (en) * | 2012-08-17 | 2012-12-12 | 佛山市顺德区海伦宝电器有限公司 | Multi-gear control circuit for air conditioner fan or fan |
| CN105508279A (en) * | 2016-01-14 | 2016-04-20 | 合肥天鹅制冷科技有限公司 | Condensate fan with multi-air-speed function |
-
2012
- 2012-08-17 CN CN 201220411287 patent/CN202811439U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817860A (en) * | 2012-08-17 | 2012-12-12 | 佛山市顺德区海伦宝电器有限公司 | Multi-gear control circuit for air conditioner fan or fan |
| CN102817860B (en) * | 2012-08-17 | 2015-02-18 | 佛山市顺德区海伦宝电器有限公司 | Multi-gear control circuit for air conditioner fan or fan |
| CN105508279A (en) * | 2016-01-14 | 2016-04-20 | 合肥天鹅制冷科技有限公司 | Condensate fan with multi-air-speed function |
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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 |
Granted publication date: 20130320 Termination date: 20150817 |
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| EXPY | Termination of patent right or utility model |