CN103500679A - Voltage adjusting switch - Google Patents
Voltage adjusting switch Download PDFInfo
- Publication number
- CN103500679A CN103500679A CN201310467698.3A CN201310467698A CN103500679A CN 103500679 A CN103500679 A CN 103500679A CN 201310467698 A CN201310467698 A CN 201310467698A CN 103500679 A CN103500679 A CN 103500679A
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- pin
- pass cock
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- wiring board
- resistance
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Abstract
The invention relates to a voltage adjusting switch, which comprises an adjusting switch, capacitors, resistors and a circuit board, wherein the capacitors and the resistors are welded on the circuit board, the circuit board is welded on the adjusting switch, the adjusting switch comprises an upper cover and a lower cover, the upper part of the upper cover is provided with an adjusting shaft, the inner plane of the upper cover is symmetrically provided with two movable contacts with double contacts in the circumferential direction, and the lower cover is provided with two groups of static contacts and conductive rings in the circumferential direction. The voltage adjusting switch has the advantages that when the voltage is adjusted, different resistors and capacitors are sequentially switched through the rotation of each baffle contact, the different line impedances are formed in a loop of a controlled motor, and then the working rotation speed of the controlled motor is changed; meanwhile, the power factor of the lines is improved; as a power supply is accessed into the loop in a two-path parallel way, and the loading current is shunted, the heat radiating conditions of the resistors and the capacitors are improved, the capacities of the resistors and the capacitors are reduced, and the size of the voltage adjusting switch is only one half of the size of the traditional speed adjusting switch.
Description
Technical field
The present invention relates to a kind of low-voltage electrical apparatus, relate in particular to a kind of tap changer.
Background technology
Small size asynchronous motor is due to the household electrical appliance that are widely used in simple in structure, but the speed governing of asynchronous machine is difficulty comparatively, in the less demanding occasion of some starting torque, can adopt decompression speed, as electric fan, the decompression speed of traditional electrical fan adopts reactor, volume is large, consume energy high, and because reactor belongs to inductive load, the power factor of circuit is had a negative impact.
Summary of the invention
The object of the invention is to overcome the deficiency of conventional art, provide a kind of simple in structure, can regulation voltage, can improve again the tap changer of line power factor.
For achieving the above object, this tap changer comprises by-pass cock, electric capacity, resistance and wiring board, described electric capacity and electric resistance welding are contained on wiring board, be provided with external terminal on described wiring board, wiring board the going out on stitch at by-pass cock that be welded, described by-pass cock comprises upper cover, lower cover, described upper cover comprises enclosing cover and regulating shaft, the all sides of described enclosing cover are symmetrically arranged with 4 installation grabs, in order to fit with being connected of lower cover, top is provided with the externally threaded installation axle collar, become tap changer and outside mechanical connection point, the inboard of described enclosing cover is the circle-shaped gear that is provided with and regulates teeth groove, described regulating shaft its root be provided with one with axially vertical spring fitting through hole, built-in Compress Spring, two ends at described Compress Spring are provided with rolling steel balls, like this, when described regulating shaft through the installation axle collar of enclosing cover and after being combined into one, when the turn regulating shaft, rolling steel balls is positioned at successively in the adjusting teeth groove of described gear and forms gear and regulate, the planar side of described regulating shaft is provided with the installation card column of moving contact along outer circumference, described moving contact is the phosphor-copper manufacture, electroplate, bottom is standing part, top is the contact part, described standing part is provided with two installing holes, by these two installing holes, moving contact is fixed on described installation card column, described contact partly is set to parallel one is long and the other is short two contacts, and long contact is arranged on periphery, the described lower cover outside is symmetrically arranged with 4 along circumference draw-in groove is installed, in order to the engaging that is connected with upper cover, the front of described lower cover is provided with fixed contact and inboard conducting ring along circumference, it is two groups that described fixed contact and conducting ring are symmetrical arranged, it is wiring pin that one end of fixed contact and conducting ring stretches out lid outer, described fixed contact and conducting ring are the red copper manufacture, electroplate, like this, after the upper cover and the grab and draw-in groove engaging of lower cover by its outside of by-pass cock, be arranged on the interior double-contact short contact of upper cover on the conducting ring of lower cover, long contact is on the fixed contact of lower cover, rotation along with regulating shaft, two groups of moving contacts contact successively on two groups of fixed contacts and conducting ring.
Described resistance, electric capacity can according to regulate gear the number determine, when regulation stall is 5 gears, controlled load is alternating current 220V 50Hz, power is below 100 watts the time, resistance is R1～R6, wherein R1～R3 resistance is number Europe, power is 1/2～1 watt, R4～R6 resistance is hundreds of kilo-ohms, power is 1/4 watt, described electric capacity is C1～C3, capacity is different, it is 1 microfarad to 5 microfarad, described by-pass cock, resistance, the wiring of electric capacity is as follows: an external terminal of wiring board connects the conducting ring of by-pass cock, by- pass cock 1, 7, 2, 6 pin are empty, 3 pin outlets divide 2 tunnels, 1 tunnel connects by-pass cock 8 pin and 11 pin, another 1 tunnel connects the end of R2, another termination R5 of R2, the connected end of C2, R5, another of C2 is connected and holds the end with R6 to join, the other end of R6 is connected with the link of R3 with C3, 12 pin of another termination by-pass cock of C3, 4 pin of another termination by-pass cock of R3 and 5 pin, by-pass cock 9 pin and an end that meets R1 after 10 pin are connected, another termination R4 of R1, the connected end of C1, R4, 12 pin of the connected termination by-pass cock of another of C1, another external terminal on 12 pin output connection road plates of by-pass cock, now, the phase line of power supply is inputted from an external terminal, another external terminal connects an end of load, load the N line of another termination power, power supply enters from external terminal like this, by two conducting rings, two groups of moving contacts and two groups of fixed contacts have formed the power path to load jointly.
The beneficial effect that above design brings is: when load is an AC induction motor, by the rotation of moving contact, press 1, 2, 3, 4, 5, 6 the gear respectively by power supply from 1 of by-pass cock, 7 pin, 2, 8 pin, 3, 9 pin, 4, 10 pin, 5, 11 pin, 6, 12 pin inputs, by the resistance to each gear switching, the electric capacity difference, in the load motor loop, to form different line impedances, changed the operating voltage at load motor two ends, makes load motor along with 1, 2, 3, 4, 5, the impedance of 6 gears is descending until 0, its rotating speed is from slow to fast until the highest economic speed, thereby phase shift startup and speed-regulating function to load motor have been realized, wherein the effect of electric capacity is detent torque to be provided and to change line impedance for load motor, improve the power factor of load motor circuit simultaneously, the effect of resistance is the earial drainage loop to be provided and to change line impedance for electric capacity, because power supply is to enter by two groups of conducting rings of by-pass cock and dynamic/static contact parallel connection the control formed load impedance, make load current obtain shunting on load impedance, make like this resistance, the radiating condition of electric capacity improves, and capacity also can be reduced, and makes the volume of tap changer to do very littlely, only has half of traditional inductance tap changer.
The accompanying drawing explanation
Fig. 1 is embodiment of the present invention Facad structure figure.
Fig. 2 is the vertical view of the embodiment of the present invention.
Fig. 3 is embodiment of the present invention by-pass cock Facad structure figure.
Fig. 4 is embodiment of the present invention by-pass cock lower cover schematic internal view.
Fig. 5 is embodiment of the present invention by-pass cock upper cover Facad structure figure.
Fig. 6 is embodiment of the present invention by-pass cock upper cover upward view.
Fig. 7 is embodiment of the present invention by-pass cock regulating shaft structure chart.
Fig. 8 is embodiment of the present invention by-pass cock regulating shaft planar ends structural representation.
Fig. 9 is embodiment of the present invention by-pass cock moving contact Facad structure figure.
Figure 10 is embodiment of the present invention by-pass cock moving contact plan structure figure.
Figure 11 is embodiment of the present invention by-pass cock schematic circuit.
Embodiment
The specific embodiment of the invention is a kind of tap changer, by the pressure regulation load, be interchange 50Hz220V, the asynchronous machine fan that power is 60 watts, the fan regulation stall is 5 gears, as Figure 1-3, comprise by-pass cock 1, resistance 2, electric capacity 3, wiring board 4 and wiring board external terminal 5, described electric capacity, resistance and exterior lines terminal all are welded on wiring board 4, wiring board 4 is welded on the wiring pin 131 of by-pass cock 1, described by-pass cock 1 is as shown in Fig. 3-8, comprise upper cover 12 and lower cover 13, described upper cover 12 comprises enclosing cover 122 and is linked in the regulating shaft 121 of enclosing cover 122, 122 weeks sides of described enclosing cover are symmetrically arranged with 4 installation grabs 123, in order to the engaging that is connected with lower cover 13, the top of described enclosing cover 122 is provided with the externally threaded installation axle collar 121, become tap changer and outside mechanical connection point, the inboard of described enclosing cover 122 is circle-shaped 11 the gears adjusting teeth groove 124 that are provided with, described regulating shaft 121 root be provided with one with axially vertical spring fitting through hole 123, built-in Compress Spring, two ends at described Compress Spring are provided with rolling steel balls, like this, when described regulating shaft through the installation axle collar of enclosing cover and after being combined into one, when turn regulating shaft 121, rolling steel balls is positioned at successively in the adjusting teeth groove 124 of described gear and forms a neutral gear, the gear of 5 load shelves is regulated, the planar side of described regulating shaft 121 other ends is provided with the installation card column 125 of moving contact 14 along outer circumference, described moving contact 14 is the phosphor-copper manufacture, electroplate, bottom 144 is standing part, top 143 is the contact part, described 144 standing parts are provided with two installing holes 145, installing hole 145 is installed on the installation card column 125 of described regulating shaft 121 planar side 124 and is fixed, described contact 14 is set to parallel long contact 142 and short contact 141, and long contact 142 is arranged on periphery, described lower cover 13 outsides are symmetrically arranged with 4 along circumference draw-in groove 134 are installed, in order to the engaging that is connected with upper cover 12, the front of described lower cover 13 is symmetrically arranged with two groups of totally 10 fixed contacts 132 and two inboard conducting rings 133 along circumference, it is wiring pin 131 that one end of fixed contact 132 and conducting ring 133 stretches out lid outer, described fixed contact 132 and conducting ring 133 are the red copper manufacture, electroplate, like this, after the upper cover 12 and the grab 123 and draw-in groove 124 engagings of lower cover 13 by its outside of by-pass cock, being arranged on double-contact short contact 141 in upper cover contacts on the conducting ring 133 of lower cover, long contact 142 contacts are on fixed contact 132, rotation along with regulating shaft 121, two groups of moving contacts contact successively on two groups of fixed contacts and conducting ring.
The present embodiment controlled device is for exchanging 50Hz220V, the asynchronous machine fan that power is 60 watts, the fan regulation stall is 5 gears, , resistance is R1～R6, wherein R1～R3 resistance is 4.7 Europe, power is 1/2～1 watt, R4～R6 resistance is 220 kilo-ohms, power is 1/4 watt, described electric capacity is C1～C3, the C1 capacity is 3.5 microfarads, the C2 capacity is 2.5 microfarads, the C3 capacity is 1.5 microfarads, described by-pass cock, resistance, the wiring of electric capacity is as follows: the conducting ring of the electric power incoming line termination by-pass cock of wiring board external terminal, by- pass cock 1, 5 pin are empty, 2 pin outlets divide 2 tunnels, 1 tunnel connects by-pass cock 6 pin and 9 pin, another 1 tunnel connects the end of R2, another termination R5 of R2, the connected end of C2, R5, another of C2 is connected and holds the end with R6 to join, the other end of R6 is connected with the link of R3 with C3, 10 pin of another termination by-pass cock of C3, 3 pin of another termination by-pass cock of R3 and 4 pin, by-pass cock 7 pin and an end that meets R1 after 8 pin are connected, another termination R4 of R1, the connected end of C1, R4, 10 pin of the connected termination by-pass cock of another of C1, the load end D2 of 10 pin link plate external terminals of by-pass cock, power supply enters from external terminal D1 like this, by two conducting rings, two groups of moving contacts and two groups of fixed contacts have formed the power path to fan electromotor jointly, by the resistance to each gear switching, the electric capacity difference, to form different line impedances at electric motor loop, changed the operating voltage at fan electromotor two ends, make the fan electromotor circuit along with 1, 2, 3, 4, the impedance of 5 gears is descending until 0, the rotating speed of fan by zero to slowly to soon until the highest economic speed, thereby phase shift startup and speed-regulating function to fan have been realized.
Claims (9)
1. a tap changer, comprise by-pass cock, electric capacity, resistance and wiring board, and described resistance, condenser welding are contained on wiring board, described wiring board the going out on stitch at by-pass cock that be welded.
2. tap changer according to claim 1, it is characterized in that: described by-pass cock comprises upper cover, lower cover, described upper cover comprises enclosing cover and inner cap, the all sides of described enclosing cover are symmetrically arranged with 4 installation grabs, enclosing cover top is provided with the externally threaded installation axle collar, the inner side plane of described enclosing cover is provided with gear along circumference and regulates teeth groove, described inner cap top arranges regulating shaft, the root of regulating shaft be provided with one with axially vertical spring fitting through hole, built-in Compress Spring, two ends at described Compress Spring are provided with rolling steel balls, described inner cap planar side is provided with fixedly card column along circumference, be symmetrically arranged with two moving contacts on card column.
3. tap changer according to claim 2, it is characterized in that: described moving contact is the ∠ shape, bottom is standing part, top is the contact part, described standing part is provided with two installing holes, described contact partly is set to parallel one is long and the other is short two contacts, and the periphery that the duration contact is arranged on the inner cap planar side is installed.
4. according to the described tap changer of claim 2 to 3, it is characterized in that: along circumference, the installation grab place corresponding at enclosing cover is provided with 4 installation draw-in grooves in the described lower cover outside, described lower cover inner side plane is provided with the conducting ring of fixed contact and entad along circumference, it is two groups that described fixed contact and conducting ring are symmetrical arranged, and it is wiring pin that an end of fixed contact and conducting ring stretches out lid outer.
5. tap changer according to claim 1, it is characterized in that: described wiring board two sides on insulated substrate arranges connection copper foil, also is provided with two external terminals on described wiring board.
6. according to claim 1 or 2 or 3 or 5 described tap changers, it is characterized in that: when the regulation stall of tap changer is 5 gears, controlled load is alternating current 220V 50Hz, power is below 100 watts the time, described resistance is R1～R6, wherein R1～R3 resistance is several ohm, power is 1/2～1 watt, R4～R6 resistance is hundreds of kilo-ohms, power is 1/4 watt, described electric capacity is C1～C3, capacity is different, it is 1 microfarad to 5 microfarad, when regulation stall reduces or increase, described resistance and electric capacity are by corresponding minimizing or increase, when the load capacity of tap changer control reduces or increases, the capacity of resistance and electric capacity will reduce or strengthen.
According to claim 1 or 5 to 6 described tap changers, it is characterized in that: the fixed contact wiring pin of by-pass cock is followed successively by 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 pin, described by-pass cock, resistance, the wiring of electric capacity and wiring board is as follows: an external terminal of wiring board connects two conducting rings of by-pass cock, 1 of by-pass cock, 5 pin are empty, 2 pin outlets divide 2 tunnels, 1 tunnel connects 6 pin and 9 pin of by-pass cock, another 1 tunnel connects the end of R2, another termination R5 of R2, the connected end of C2, R5, another of C2 is connected and holds the end with R6 to join, the other end of R6 is connected with the link of R3 with C3, 10 pin of another termination by-pass cock of C3, 3 pin of another termination by-pass cock of R3 and 4 pin, by-pass cock 7 pin and an end that meets R1 after 8 pin are connected, another termination R4 of R1, the connected end of C1, R4, 10 pin of the connected termination by-pass cock of another of C1, another external terminal on 10 pin output connection road plates of while by-pass cock.
8. tap changer according to claim 2, it is characterized in that: the fixed contact wiring pin of by-pass cock is followed successively by 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 pin, described by-pass cock, resistance, the wiring of electric capacity and wiring board is as follows: an external terminal of wiring board connects two conducting rings of by-pass cock, 1 of by-pass cock, 5 pin are empty, 2 pin outlets divide 2 tunnels, 1 tunnel connects 6 pin and 9 pin of by-pass cock, another 1 tunnel connects the end of R2, another termination R5 of R2, the connected end of C2, R5, another of C2 is connected and holds the end with R6 to join, the other end of R6 is connected with the link of R3 with C3, 10 pin of another termination by-pass cock of C3, 3 pin of another termination by-pass cock of R3 and 4 pin, by-pass cock 7 pin and an end that meets R1 after 8 pin are connected, another termination R4 of R1, the connected end of C1, R4, 10 pin of the connected termination by-pass cock of another of C1, another external terminal on 10 pin output connection road plates of while by-pass cock.
9. tap changer according to claim 3, it is characterized in that: the fixed contact wiring pin of by-pass cock is followed successively by 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 pin, described by-pass cock, resistance, the wiring of electric capacity and wiring board is as follows: an external terminal of wiring board connects two conducting rings of by-pass cock, 1 of by-pass cock, 5 pin are empty, 2 pin outlets divide 2 tunnels, 1 tunnel connects 6 pin and 9 pin of by-pass cock, another 1 tunnel connects the end of R2, another termination R5 of R2, the connected end of C2, R5, another of C2 is connected and holds the end with R6 to join, the other end of R6 is connected with the link of R3 with C3, 10 pin of another termination by-pass cock of C3, 3 pin of another termination by-pass cock of R3 and 4 pin, by-pass cock 7 pin and an end that meets R1 after 8 pin are connected, another termination R4 of R1, the connected end of C1, R4, 10 pin of the connected termination by-pass cock of another of C1, another external terminal on 10 pin output connection road plates of while by-pass cock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310467698.3A CN103500679A (en) | 2013-09-27 | 2013-09-27 | Voltage adjusting switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310467698.3A CN103500679A (en) | 2013-09-27 | 2013-09-27 | Voltage adjusting switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103500679A true CN103500679A (en) | 2014-01-08 |
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ID=49865876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310467698.3A Pending CN103500679A (en) | 2013-09-27 | 2013-09-27 | Voltage adjusting switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103500679A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106054077A (en) * | 2016-07-08 | 2016-10-26 | 珠海格力电器股份有限公司 | Speed regulation voltage switching circuit and power strip |
| CN107803124A (en) * | 2017-11-23 | 2018-03-16 | 佛山科学技术学院 | A kind of antigen adjuvant emulsifier |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85204313U (en) * | 1985-10-18 | 1987-01-28 | 张腾广 | Rotary switch with multigrad and multifunction |
| JPH06111422A (en) * | 1992-09-28 | 1994-04-22 | Sharp Corp | Mode detecting device |
| CN2864955Y (en) * | 2005-12-01 | 2007-01-31 | 欣华电子工业有限公司 | Early break late connect small-sized band switch |
| CN201788870U (en) * | 2010-09-10 | 2011-04-06 | 宁波嘉林电子有限公司 | Multi-gear motor rotary switch |
| CN202732403U (en) * | 2012-05-03 | 2013-02-13 | 成都智利达科技有限公司 | Electric fan electronic speed regulator |
-
2013
- 2013-09-27 CN CN201310467698.3A patent/CN103500679A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85204313U (en) * | 1985-10-18 | 1987-01-28 | 张腾广 | Rotary switch with multigrad and multifunction |
| JPH06111422A (en) * | 1992-09-28 | 1994-04-22 | Sharp Corp | Mode detecting device |
| CN2864955Y (en) * | 2005-12-01 | 2007-01-31 | 欣华电子工业有限公司 | Early break late connect small-sized band switch |
| CN201788870U (en) * | 2010-09-10 | 2011-04-06 | 宁波嘉林电子有限公司 | Multi-gear motor rotary switch |
| CN202732403U (en) * | 2012-05-03 | 2013-02-13 | 成都智利达科技有限公司 | Electric fan electronic speed regulator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106054077A (en) * | 2016-07-08 | 2016-10-26 | 珠海格力电器股份有限公司 | Speed regulation voltage switching circuit and power strip |
| CN107803124A (en) * | 2017-11-23 | 2018-03-16 | 佛山科学技术学院 | A kind of antigen adjuvant emulsifier |
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Application publication date: 20140108 |