CN201594461U - Voltage regulating transformer - Google Patents
Voltage regulating transformer Download PDFInfo
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- CN201594461U CN201594461U CN2009202637199U CN200920263719U CN201594461U CN 201594461 U CN201594461 U CN 201594461U CN 2009202637199 U CN2009202637199 U CN 2009202637199U CN 200920263719 U CN200920263719 U CN 200920263719U CN 201594461 U CN201594461 U CN 201594461U
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Abstract
A voltage regulating transformer comprises a self-coupling transformer, a contactor unit and a control unit. The self-coupling transformer is provided with a winding L1, a winding L2 and a winding L3, the winding L1 is provided with M1 taps while voltage differences among the M1 taps are equal, the winding L2 is provided with M2 taps while voltage differences among the M2 taps are equal, the winding L3 is provided with M3 taps while voltage differences among the M3 taps are equal, the voltage differences among the taps of the winding L1 are equal to multiplication of the voltage difference of the winding L2 and tap amount M2, the voltage differences among the taps of the winding L2 are equal to multiplication of voltage difference of the winding L3 and tap amount M3, the winding L1 is connected with a 220V power source, M1 tap common terminals of the winding L1 are connected with M2 tap common terminals of the winding L2, M3 tap common terminals of the winding L3 are connected with an input end of the winding L2, and the contactor unit comprises a contactor group KM1, a contactor group KM2 and a contactor group KM3. The voltage regulating transformer can regulate voltage in a wind range.
Description
Technical field
The utility model relates to the transformer technology field, particularly relates to a kind of voltage regulating transformer.
Background technology
In the prior art, mostly voltage regulator is to change the coil turn of secondary loop by regulating the sliding contact position, thereby reaches the purpose of regulating output voltage.Because this contact type voltage regulator in use, contact position often is easy to generate spark owing to reasons such as sliding frictions, therefore is not suitable for using in the environment of some occasion if any greasy dirt.In order to guarantee the accuracy of output voltage, this voltage regulator in use needs to keep clean, so be not suitable for using in the occasion that dust is arranged.Because contact often slides, the contact position of contact can produce a large amount of heats, and causes wearing and tearing easily, needs the periodic replacement contact.Though thyristor voltage regulator also is used in some equipment, the voltage signal of thyristor voltage regulator output is not sinusoidal wave, contains multiple harmonic components, only is only applicable to pure resistive loads.Therefore, be necessary to provide a kind of applicability strong, and simple to operate, stable performance, voltage regulating transformer that maintenance rate is little.
So, at the prior art deficiency, provide that a kind of applicability is strong, simple to operate, stable performance, voltage regulating transformer that maintenance rate is little be very necessary.
Summary of the invention
The purpose of this utility model is to avoid the deficiencies in the prior art part and provides a kind of applicability strong, simple to operate, stable performance, the voltage regulating transformer that maintenance rate is little.
The purpose of this utility model realizes by following technical measures:
A kind of voltage regulating transformer comprises auto-coupling transformer, contact unit and the control unit that is connected with described contact unit;
Described auto-coupling transformer comprises three winding L 1, L2 and L3, described winding L 1 is provided with M1 tap, voltage difference between the M1 of described winding L 1 tap equates, described winding L 2 is provided with M2 tap, voltage difference between the M2 of described winding L 2 tap equates, described winding L 3 is provided with M3 tap, and the voltage difference between the M3 of described winding L 3 tap equates;
It is long-pending that voltage difference between the tap of described winding L 1 equals the tap number M2 of voltage difference between the described winding L 2 and winding L 2, and the voltage difference that the voltage difference between the tap of described winding L 2 equals between the described winding L 3 is amassed with the tap number M3 of winding L 3 is;
Described winding L 1 connects the 220V power supply, the common port of the M1 of described winding L 1 tap is connected with the common port of M2 tap of described winding L 2, the common port of last tap of described winding L 3 is connected with last tap of described winding L 2, and last tap of described winding L 3 and first tap of described winding L 1 are two outputs of described voltage regulating transformer;
Described contact unit comprises three contactor group KM1, KM2 and KM3, described contactor group KM1 comprises M1 contactor, corresponding one by one respectively M1 the tap that is arranged at described winding L 1 setting of M1 the contactor of described contactor group KM1, described contactor group KM2 comprises M2 contactor, corresponding one by one respectively M2 the tap that is arranged at described winding L 2 settings of M2 the contactor of described contactor group KM2, described contactor group KM3 comprises M3 contactor, corresponding one by one respectively M3 the tap that is arranged at described winding L 3 settings of M3 the contactor of described contactor group KM3.
Preferably, interlocking between M1 the contactor of above-mentioned contactor group KM1, interlocking between M2 the contactor of described contactor group KM2, interlocking between M3 the contactor of described contactor group KM3.
Further, above-mentioned winding L 1 is provided with four taps, and described winding L 2 is provided with four taps, and described winding L 3 is provided with four taps.
Further, voltage difference between four taps that above-mentioned winding L 1 is provided with is 64V, 0V, 64V, four kinds of voltages of 128V, 192V are exported in four taps respectively, voltage difference between four taps that described winding L 2 is provided with is 16V, 0V, 16V, four kinds of voltages of 32V, 48V are exported in four taps respectively, voltage difference between four taps that described winding L 3 is provided with is 4V, and 0V, 4V, four kinds of voltages of 8V, 12V are exported in four taps respectively.
Preferably, described voltage regulating transformer also comprises a control panel, and described control panel is connected with described control unit, and described control panel is provided with output voltage indication, output current indication, power supply indication, stop button and voltage range selector button.
A kind of voltage regulating transformer of the present utility model comprises auto-coupling transformer, contact unit and the control unit that is connected with described contact unit; Described auto-coupling transformer comprises three winding L 1, L2 and L3, described winding L 1 is provided with M1 tap, voltage difference between the M1 of described winding L 1 tap equates, described winding L 2 is provided with M2 tap, voltage difference between the M2 of described winding L 2 tap equates, described winding L 3 is provided with M3 tap, and the voltage difference between the M3 of described winding L 3 tap equates; It is long-pending that voltage difference between the tap of described winding L 1 equals the tap number M2 of voltage difference between the described winding L 2 and winding L 2, and the voltage difference that the voltage difference between the tap of described winding L 2 equals between the described winding L 3 is amassed with the tap number M3 of winding L 3 is; Described winding L 1 connects the 220V power supply, the common port of the M1 of described winding L 1 tap is connected with the common port of M2 tap of described winding L 2, the common port of last tap of described winding L 3 is connected with last tap of described winding L 2, and last tap of described winding L 3 and first tap of described winding L 1 are two outputs of described voltage regulating transformer; Described contact unit comprises three contactor group KM1, KM2 and KM3, described contactor group KM1 comprises M1 contactor, corresponding one by one respectively M1 the tap that is arranged at described winding L 1 setting of M1 the contactor of described contactor group KM1, described contactor group KM2 comprises M2 contactor, corresponding one by one respectively M2 the tap that is arranged at described winding L 2 settings of M2 the contactor of described contactor group KM2, described contactor group KM3 comprises M3 contactor, corresponding one by one respectively M3 the tap that is arranged at described winding L 3 settings of M3 the contactor of described contactor group KM3.The contactor of this voltage regulating transformer cooperates tap can realize that wide-range voltage regulates, and simple to operate, stable performance, applicability is strong and maintenance rate is little.This voltage regulating transformer that the rolling hitch structure is identical is applied in the three-phase circuit, can also realize three-phase pressure regulation simultaneously.
Description of drawings
Utilize accompanying drawing that the utility model is further described, but the content in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is the schematic diagram of the embodiment 1 of a kind of voltage regulating transformer of the utility model,
Fig. 2 is the electrical schematic diagram of control unit of the embodiment 1 of a kind of voltage regulating transformer of the utility model;
Fig. 3 is the schematic diagram of control panel of the embodiment 1 of a kind of voltage regulating transformer of the utility model;
Fig. 4 is the schematic diagram of the embodiment 2 of a kind of voltage regulating transformer of the utility model;
Fig. 5 is the electrical schematic diagram of control unit of the embodiment 2 of a kind of voltage regulating transformer of the utility model;
Fig. 6 is the schematic diagram of control panel of the embodiment 2 of a kind of voltage regulating transformer of the utility model.
Embodiment
With the following Examples the utility model is further described.
Embodiment 1
A kind of voltage regulating transformer, as shown in Figure 1, comprise auto-coupling transformer 100, contact unit 200, control unit and control panel, auto-coupling transformer 100 is the multitap auto-coupling transformers of a kind of many windings, and different taps selects to have different output voltages, and osculating element 200 is used to make the tap of needs to connect, and unwanted tap is disconnected, control unit is connected with contact unit 200, control contactor unit 200, and control panel is connected with control unit.
Auto-coupling transformer 100 comprises three winding L 1, L2 and L3, winding L 1 is provided with M1 tap, voltage difference between the M1 of winding L 1 tap equates, winding and L2 are provided with M2 tap, voltage difference between the M2 of winding L 2 tap equates, winding L 3 is provided with M3 tap, and the voltage difference between the M3 of winding L 3 tap equates.It is long-pending that voltage difference between the tap of winding L 1 equals the tap number M2 of voltage difference between the described winding L 2 and winding L 2, and the voltage difference that the voltage difference between the tap of winding L 2 equals between the described winding L 3 is amassed with the tap number M3 of winding L 3 is.This set has the characteristics of proportional regulation voltage, can the wide region regulation voltage.
Winding L 1 connects the 220V power supply, the common port of the M1 of winding L 1 tap is connected with the common port of M2 tap of winding L 2, the common port of the M3 of winding L 3 tap is connected with i.e. M2 the tap of last tap of winding L 2, last tap of winding L 3 is that first tap of M3 tap and winding L 1 is two outputs of this voltage regulating transformer, and the output voltage of voltage regulating transformer is voltage and the voltage of winding L 2 and the voltage sum of winding L 3 of winding L 1.
Contact unit 200 comprises three contactor group KM1, KM2 and KM3, is respectively applied for the disconnection or the conducting of the tap that control winding L 1, L2 and winding L 3 be provided with separately.Contactor group KM1 comprises the contactor of M1 interlocking, corresponding one by one respectively M1 the tap that is arranged at winding L 1 setting of M1 the contactor of contactor group KM1, contactor group KM2 comprises the contactor of M2 interlocking, corresponding one by one respectively M2 the tap that is arranged at winding L 2 settings of M2 the contactor of contactor group KM2, contactor group KM3 comprises the contactor of M3 interlocking, corresponding one by one respectively M3 the tap that is arranged at winding L 3 settings of M3 the contactor of contactor group KM3.
Control unit, as shown in Figure 2, the adhesive of each contactor all contains self-hold circuit, and by the making button control of a tape light, the making button indicator light of correspondence is lighted during each contactor adhesive.Every winding tentaculum is all disconnected by a moving press control of opening, and the indicator light of correspondence also extinguishes when contactor disconnects.
Control panel, as shown in Figure 3, be provided with output voltage indication, output current indication, power supply indication, stop button and voltage range selector button, output voltage indicated number output voltage values, output current indicated number output current value, whether this machine of power supply indicated number is charged.
During use, the user selects correspondent voltage scope selector button by control panel as required, and control unit is according to the setting of control panel, the tap of corresponding contactor disconnection or conducting winding L 1, L2 and L3 in the control contactor unit 200, thus make output output required voltage.The voltage regulating transformer that the utility model provides has realized that not only the wide region of output voltage is regulated, and the waveform of output voltage waveforms of this voltage regulating transformer and input voltage is identical simultaneously, can not produce additional wave distortion.And simple to operate, stable performance, applicability is strong and maintenance rate is little.
Need to prove that number of taps that three winding L 1, L2 and L3 of the auto-coupling transformer 100 of this voltage regulating transformer are provided with separately and voltage difference can be according to concrete environment for use and occasion settings.
This voltage regulating transformer can be used for single-phase voltage regulating, also three cover voltage regulating transformers can be arranged on the three-phase alternating-current supply occasion, realizes the function of three phase voltage regulating.
Embodiment 2
A kind of voltage regulating transformer as shown in Figure 4, comprises auto-coupling transformer 10, contact unit 20, control unit and control panel.
Auto-coupling transformer 10 is the multitap auto-coupling transformers of a kind of many windings, and auto-coupling transformer 10 comprises three winding L 1, L2 and L3, and winding L 1, L2 and L3 are provided with four taps separately.Voltage difference between four taps that winding L 1 is provided with is 64V, 0V, 64V, four kinds of voltages of 128V, 192V are exported in four taps respectively, voltage difference between four taps that winding L 2 is provided with is 16V, 0V, 16V, four kinds of voltages of 32V, 48V are exported in four taps respectively, voltage difference between four taps that winding L 3 is provided with is 4V, and 0V, 4V, four kinds of voltages of 8V, 12V are exported in four taps respectively.Winding L 1 connects the 220V power supply, the common port of four taps of winding L 1 is connected with the common port of four taps of winding L 2, the common port of four taps of winding L 3 is connected with the input of winding L 2, and output voltage is voltage and the voltage of winding L 2 and the voltage sum of winding L 3 of winding L 1.This voltage regulating transformer output voltage range: single-phase 0-252V, per 4 volts one grade, totally 64 kinds of voltage outputs; Three-phase 0-436V, one grade of every 6.9V, totally 64 kinds of voltage outputs.
Control unit control is opened the contactor in the contact unit 20 or is disconnected corresponding tap.As shown in Figure 5, the adhesive of each contactor of control unit all contains self-hold circuit, and by the making button control of a tape light, the making button indicator light of correspondence is lighted during each contactor adhesive.Every winding tentaculum is all disconnected by a moving press control of opening, and the indicator light of correspondence also extinguishes when contactor disconnects.
Control panel, as shown in Figure 6, be provided with output voltage indication, output current indication, power supply indication, stop button and voltage range selector button, output voltage indicated number output voltage values, output current indicated number output current value, whether this machine of power supply indicated number is charged, and SB11-SB14, SB21-24, SB31-SB34 are the voltage selector button, and SB1, SB2, SB3 are stop button.
During use, the user selects correspondent voltage scope selector button by control panel as required, and control unit is according to the setting of control panel, the tap of corresponding contactor disconnection or conducting winding L 1, L2 and L3 in the control contactor unit 20, thus make output output required voltage.This voltage regulating transformer and pressure regulation method thereof adopt many windings auto-coupling transformer 10, adopt mathematical multiple adjusted stepwise mode, and promptly the voltage difference that equals between the L2 tap of the voltage difference between the L1 tapping multiply by the L2 number of taps; The voltage difference that voltage difference between the L2 tapping equals between the L3 winding multiply by the L3 number of taps; Voltage difference between L1, L2, each winding of L3 is proportional.As the utility model L1 winding 4 times of L2 winding voltage; The L2 winding voltage is 4 times of L3 winding voltage.Realized the wide region adjusting of output voltage, the waveform of output voltage waveforms of this voltage regulating transformer and input voltage is identical simultaneously, can not produce additional wave distortion.And simple to operate, stable performance, applicability is strong and maintenance rate is little, can three phase voltage regulating.
Voltage regulating transformer of the present utility model, its voltage adjusting method is as follows:
Because SB11-SB14 control KM11-KM14, after one of them contactor adhesive, four buttons all lost efficacy.Changing test voltage needs elder generation by SB1, selects other voltage again.In like manner, SB21-SB24 controls KM21-KM24, the same SB11-SB14 of SB31-SB34 control KM31-KM34 concrete operation method; SB2, the same SB1 of SB3 concrete operation method.The output voltage of the utility model voltage regulating transformer is L1, L2, three winding voltage sums of L3, will be earlier by calculating, from big voltage choosing when selecting voltage.As will exporting the voltage of 100V, one, 128＞100V＞64, select SB1264V; Two, 100V-64V=36V, 48＞36V＞32V selects SB2332V; Three, 36V-32V=4V selects SB324V.When the 3rd step voltage was not 4 multiple, voltage was selected and will be selected immediate voltage gear according to user's needs.The voltage of 0V shelves also will be chosen simultaneously, otherwise output is opened a way exactly.
Need to prove that the utility model voltage regulating transformer pressure regulation gear, number of taps, range of regulation all can change flexibly according to user's use needs.
Should be noted that at last; above embodiment is only in order to the explanation the technical solution of the utility model but not to the restriction of the utility model protection range; although the utility model has been done detailed description with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the essence and the scope of technical solutions of the utility model.
Claims (5)
1. a voltage regulating transformer is characterized in that: comprise auto-coupling transformer, contact unit and the control unit that is connected with described contact unit;
Described auto-coupling transformer comprises three winding L 1, L2 and L3, described winding L 1 is provided with M1 tap, voltage difference between the M1 of described winding L 1 tap equates, described winding L 2 is provided with M2 tap, voltage difference between the M2 of described winding L 2 tap equates, described winding L 3 is provided with M3 tap, and the voltage difference between the M3 of described winding L 3 tap equates;
It is long-pending that voltage difference between the tap of described winding L 1 equals the tap number M2 of voltage difference between the described winding L 2 and winding L 2, and the voltage difference that the voltage difference between the tap of described winding L 2 equals between the described winding L 3 is amassed with the tap number M3 of winding L 3 is;
Described winding L 1 connects the 220V power supply, the common port of the M1 of described winding L 1 tap is connected with the common port of M2 tap of described winding L 2, the common port of last tap of described winding L 3 is connected with last tap of described winding L 2, and last tap of described winding L 3 and first tap of described winding L 1 are two outputs of described voltage regulating transformer;
Described contact unit comprises three contactor group KM1, KM2 and KM3, described contactor group KM1 comprises M1 contactor, M1 the contactor of a described contactor group KM1 correspondence respectively is arranged at M1 the tap that described winding L 1 is provided with, described contactor group KM2 comprises M2 contactor, corresponding one by one respectively M2 the tap that is arranged at described winding L 2 settings of M2 the contactor of described contactor group KM2, described contactor group KM3 comprises M3 contactor, corresponding one by one respectively M3 the tap that is arranged at described winding L 3 settings of M3 the contactor of described contactor group KM3.
2. a kind of voltage regulating transformer according to claim 1 is characterized in that: interlocking between M1 the contactor of described contactor group KM1, interlocking between M2 the contactor of described contactor group KM2, interlocking between M3 the contactor of described contactor group KM3.
3. a kind of voltage regulating transformer according to claim 2 is characterized in that: described winding L 1 is provided with four taps, and described winding L 2 is provided with four taps, and described winding L 3 is provided with four taps.
4. a kind of voltage regulating transformer according to claim 3, it is characterized in that: the voltage difference between four taps that described winding L 1 is provided with is 64V, 0V, 64V, four kinds of voltages of 128V, 192V are exported in four taps respectively, voltage difference between four taps that described winding L 2 is provided with is 16V, 0V, 16V, four kinds of voltages of 32V, 48V are exported in four taps respectively, voltage difference between four taps that described winding L 3 is provided with is 4V, and 0V, 4V, four kinds of voltages of 8V, 12V are exported in four taps respectively.
5. according to claim 1 or 2 or 4 described a kind of voltage regulating transformers, it is characterized in that: described voltage regulating transformer also comprises a control panel, described control panel is connected with described control unit, and described control panel is provided with output voltage indication, output current indication, power supply indication, stop button and voltage range selector button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202637199U CN201594461U (en) | 2009-11-30 | 2009-11-30 | Voltage regulating transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202637199U CN201594461U (en) | 2009-11-30 | 2009-11-30 | Voltage regulating transformer |
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| Publication Number | Publication Date |
|---|---|
| CN201594461U true CN201594461U (en) | 2010-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202637199U Expired - Fee Related CN201594461U (en) | 2009-11-30 | 2009-11-30 | Voltage regulating transformer |
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| CN (1) | CN201594461U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158166A (en) * | 2011-04-01 | 2011-08-17 | 河南省电力公司洛阳供电公司 | Electronic type transfer switch and method for transformer |
| CN107742887A (en) * | 2017-11-22 | 2018-02-27 | 漳州科华技术有限责任公司 | A kind of remote power system |
-
2009
- 2009-11-30 CN CN2009202637199U patent/CN201594461U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158166A (en) * | 2011-04-01 | 2011-08-17 | 河南省电力公司洛阳供电公司 | Electronic type transfer switch and method for transformer |
| CN107742887A (en) * | 2017-11-22 | 2018-02-27 | 漳州科华技术有限责任公司 | A kind of remote power system |
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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 |
Owner name: GUANGDONG XIWU ELECTRIC CO., LTD. Free format text: FORMER NAME: DONGGUAN XIWU ELECTRIC EQUIPMENT MANUFACTURING CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 523413 Guangdong city of Dongguan province river Liaobu Zhen Heng Keng Industrial Zone Wanrong Road 23 Guangdong Westinghouse Electric Co. Ltd. Patentee after: Guangdong Xiwu Electrical Equipment Co., Ltd. Address before: 523000 Guangdong city of Dongguan province Liaobu town Hengkeng Industrial Zone Wanrong Embankment Road 23 Dongguan Westinghouse Electric Equipment Manufacturing Co Ltd Patentee before: Dongguan City Xiwu Electrical Equipment Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100929 Termination date: 20141130 |
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| EXPY | Termination of patent right or utility model |