CN2793889Y - Zero-adjusting and self-coupling transformer and voltage adjuster - Google Patents
Zero-adjusting and self-coupling transformer and voltage adjuster Download PDFInfo
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- CN2793889Y CN2793889Y CN 200520059763 CN200520059763U CN2793889Y CN 2793889 Y CN2793889 Y CN 2793889Y CN 200520059763 CN200520059763 CN 200520059763 CN 200520059763 U CN200520059763 U CN 200520059763U CN 2793889 Y CN2793889 Y CN 2793889Y
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Abstract
The utility model relates to a zero-adjusting and self-coupling transformer and a voltage adjuster thereof, which comprises a primary coil and a secondary coil, wherein the primary coil comprises a starting and a stopping end heads, and a coil positioned between the starting and the stopping end heads is provided with a plurality of taps of the secondary coil. The utility model also comprises a high and low level input terminals for outside connecting with a power supply, a zero output terminal, and a plurality of butted output terminals for contact butt joint and switch, wherein the high level input terminal is connected with the starting end head of the primary coil; the low level input terminal is in direct short circuit with the zero output terminal; the butted output terminals are respectively connected with the taps of the secondary coil. The self-coupling transformer also comprises at least one high output terminal which is directly connected with a power utilization load, and the high output terminal is connected one of the taps of the secondary coil. Because the zero-adjusting and self-coupling transformer and the voltage adjuster thereof of the utility model are not in momentary power failure when the taps are switched, the switching current is reduced, and the power capacity of a control element is decreased.
Description
Technical field
The utility model relates to a kind of with electric loading pressure regulation, voltage stabilizing battery saving arrangement, and more particularly, the utility model relates to a kind of pressure regulation of usefulness electric loading and voltage stabilizing battery saving arrangement that adopts autotransformer.
Background technology
At present, electrical equipment commonly used is electric lighting particularly, generally all adopts lowering and stabilizing blood pressure technology and corresponding lowering and stabilizing blood pressure equipment for realizing the economize on electricity consumption reduction.Existing lowering and stabilizing blood pressure equipment all adopts a plurality of taps of transformer to realize voltage-regulation, and between the different taps of load with transformer many carbon brush with cheapness as the double-throw contact of pressure regulation.Though carbon brush formula double-throw contact cost is very low, but, because the wiring construction of existing tapped transformer inside is unreasonable, and what the aggregation lead-out terminal of double-throw contact that it is supporting or double-throw contact array directly was connected in load must be in supply line, to the load output end voltage, so, the long-term change action up and down of double-throw contact can cause carbon brush configuration mechanical wear, be easy to produce the arc erosion on carbon brush surface, and then cause double-throw contact place loose contact, thereby bring following potential safety hazard, mainly show: 1. understand momentary power failure in the handoff procedure load; Switch current was bigger when 2. power was big; 3. output current damages conversion element easily and even uses electric loading greater than input current under the step-down state.Thereby existing continuous stable-pressure device can not be used in the heavy load occasion, also is not suitable for long-term use.
In this regard, it is that 97104257.8 Chinese patent application file discloses a kind of alternating current control device that application number is arranged, at power input the phase place comparison controller is set, the autotransformer that transformation is used, the mutual inductance reactor of using with voltage step-down, on autotransformer, be provided with a plurality of taps and the mutual inductance reactor be connected with them with switch arrays, be provided with voltage comparator and current comparator at power output end, the output of output voltage comparator is connected the input of switch arrays controller, logic controller is set in the output of current comparator and the output of phase place comparison controller, make the switch arrays action by logic controller, thereby the output voltage of autotransformer is added on the mutual inductance reactor selectively.It is said that this technology provides the mutual inductance reactor of autocoupling type that a kind of usefulness is lower than the load-side capacity or multi-thread wound-type transformer big capacity load voltage to be carried out the device of linear voltage decreasing.And, can keep the automatism voltage control of certain output voltage in the input voltage occasion more high or low than reference voltage; Can particularly be equal to or less than the occasion of the voltage of load-side necessity according to the situation of load-side and the state of input power supply, a kind of device that can automatically the input power supply directly be switched to load-side is provided at input supply voltage; And almost there are not E.M.I or switching noise.
But, the obvious improvement complex structure of said apparatus and can not overcome the shortcomings such as potential safety hazard that the long-term change action up and down of double-throw contact brings well.
Summary of the invention
At the above-mentioned shortcoming of prior art, the technical purpose that the utility model will reach be to provide a kind of can momentary power failure when switching tap thereby switch current reduces greatly, the power capacity of control element reduces greatly zeroing formula autotransformer and transfer pressing device.
For this reason, one of technical solution of the present utility model is a kind of zeroing formula autotransformer, this autotransformer comprises primary coil, secondary coil, and described primary coil has comprised, ended two ends, between a plurality of taps that rise, only the coil between the two ends is provided with secondary coil; This autotransformer also comprises the high and low position input terminal that is used for external power supply, zero point lead-out terminal, is used to dock a plurality of butt joint lead-out terminals of double-throw contact; Wherein, described high-order input terminal is connecting the termination of rising of described primary coil, low level input terminal and the direct short circuit of described lead-out terminal at zero point, and a plurality of butt joint lead-out terminals are connecting a plurality of taps of described secondary coil respectively, and described autotransformer comprises that also at least one directly connects the height point lead-out terminal with electric loading, and one of tap of this height point lead-out terminal and described secondary coil is connected.The utility model adopts at least one direct height point lead-out terminal that connects with electric loading to add that the lead-out terminal at zero point that tradition keeps comes to using electric loading two ends continued power, dock a plurality of butt joint lead-out terminals by double-throw contact simultaneously and carry out tap changing, said structure is that double-throw contact provides the foundation through zero crossing lead-out terminal output switch current: in handoff procedure, secondary lead-out terminal is actually dynamically to be realized by the double-throw contact that is connected with zero point, and can by height put lead-out terminal and zero point lead-out terminal guarantee to electric loading two ends continued power, load can not produce momentary power failure when switching tap, and switch current is the difference of input current and output current, so not only realized switching but also the electric current when switching reduces greatly, therefore, the power capacity of switching controls element reduces greatly, through experiment confirm, it is original 10/100～20/100 that the power capacity of switching controls element can be reduced to, thereby installation cost reduces greatly and installs self power consumption and declines to a great extent, security performance significantly improves.
Be further optimization above-mentioned functions of the present utility model, a termination of the described primary coil of the described high some tap that lead-out terminal connected distance is nearest.Because pressure regulation of the present utility model is to realize by the double-throw contact that directly is connected with zero point, in fact, the number of turn of primary coil and the number of turn and the mutual ratio thereof of secondary coil have been changed in the pressure regulation process simultaneously, fixedly the not-go-end head of primary coil has little significance, and the tapped not-go-end head of dynamic change is only effectively, thereby the connection of comparable traditional autotransformer is more flexible: described low level input terminal be described zero point lead-out terminal be connected with the not-go-end head of described primary coil or be not connected.
Self-induced e.m.f harm when preventing that the utility model transformer tapping from switching between each tap and termination, stop arcing, further improve the security performance class of the utility model transformer, except that described terminal, primary coil, the secondary coil of described autotransformer all are sealed in the insulating material.Or except that described terminal, the primary coil of described autotransformer, secondary coil all are enclosed in the epoxy resin housing admittedly.
Two of technical solution of the present utility model is a kind of voltage regulators that comprise aforesaid zeroing formula autotransformer, and it also comprises double-throw contact or double-throw contact array, and described double-throw contact or double-throw contact array converge and be connected on the aggregation lead-out terminal; Described autotransformer comprises primary coil, secondary coil, be used for external power supply high and low position input terminal, zero point lead-out terminal, be used to dock a plurality of butt joint lead-out terminals of double-throw contact; Wherein, described high-order input terminal is connecting the termination of rising of described primary coil, low level input terminal and the direct short circuit of described lead-out terminal at zero point, and a plurality of butt joint lead-out terminals are connecting a plurality of taps of described secondary coil respectively, a plurality of double-throw contacts flexibly connect with a plurality of lead-out terminals that dock respectively, and described autotransformer comprises that also at least one directly connects the height point lead-out terminal with electric loading, one of tap of this height point lead-out terminal and described secondary coil is connected, and described aggregation lead-out terminal with described zero point lead-out terminal directly link to each other.Therefore voltage regulator of the present utility model adopts the zeroing formula autotransformer of above-mentioned innovative characteristics, also has following advantage: can momentary power failure when switching tap, switch current reduces greatly, the power capacity of control element reduces greatly, and power consumption reduces.
For ease of enforcement, voltage regulator described in the utility model comprises contactor or its array, and described contactor or its array comprise described double-throw contact or double-throw contact array.
Reduce greatly on the basis to further reducing the utility model volume at the power capacity of control element, described contactor or its array and described autotransformer are installed in the same housing.Described control unit and described autotransformer are installed in the same housing.Described voltage regulator also comprises the control unit of the described contactor of control or its array, and this control unit comprises pressure-measuring head, treatment circuit and the output circuit of detection load terminal voltage, and this output circuit is connected with the trigger terminal of described contactor or its array.
In a word, the utility model is implemented simple, and effect is obvious, and is easy to utilize.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the circuit diagram of traditional autotransformer embodiment.
Fig. 2 is the electrical block diagram of the utility model zeroing formula single-phase autotransformer embodiment.
Fig. 3 is for being the electrical block diagram of the utility model single-phase voltage regulating device embodiment.
As Fig. 1, be depicted as a kind of traditional autotransformer circuit diagram.This autotransformer comprises primary coil 100, secondary coil, described primary coil 100 has comprised termination 101A, not-go-end head 101B, be provided with the secondary coil that forms by a plurality of taps between the coil that rises, end between two ends 101A, the 101B, these taps are representative with 102,103,104, and this autotransformer also comprises the high-order input terminal 200A, the low level input terminal 200B that are used for external power supply, zero point lead-out terminal 300B, is used to dock a plurality of butt joint lead-out terminal 302A, 303A, the 304A etc. of double-throw contact; Wherein, low level input terminal 200B connecting described primary coil 100 not-go-end head 101B and and the direct short circuit of described lead-out terminal 300B at zero point, and a plurality of butt joint lead-out terminal 302A, 303A, 304A are connecting a plurality of taps 102,103,104 of described secondary coil respectively, a plurality of butt joint lead-out terminal 302A of described autotransformer, 303A, 304A dock double-throw contact and then connect with electric loading 400 1 ends through the aggregation lead-out terminal 300A of double-throw contact, and zero point, lead-out terminal 300B connected with electric loading 400 other ends.Obviously easily seen by figure: the double-throw contact shown in traditional autotransformer arrow is at handoff procedure meeting momentary power failure; Switch current was bigger when bearing power was big; Output current damages conversion element easily and even uses electric loading greater than input current under the step-down state.
Embodiment
1) single-phase autotransformer embodiment
As Fig. 2, be depicted as a kind of single-phase zeroing formula autotransformer circuit diagram.This autotransformer comprises primary coil 100, secondary coil, and described primary coil 100 has comprised termination 101A, not-go-end head 101B, between playing, end a plurality of taps 102,103 etc. that coil between two ends 101A, the 101B is provided with a plurality of secondary coils; This autotransformer also comprises the height that is used for external power supply, low level input terminal 200A, 200B, zero point lead-out terminal 300B, be used to dock a plurality of butt joint lead-out terminal 302A of double-throw contact, 303A, the aggregation lead-out terminal 300A of 304A and double-throw contact (shown in the arrow), wherein, described high-order input terminal 200A is connecting a termination 101A of described primary coil 100, low level input terminal 200B and the direct short circuit of described lead-out terminal 300B at zero point, and a plurality of butt joint lead-out terminal 302A, 303A, 304A is connecting a plurality of taps 102 of described secondary coil respectively, 103 etc., described autotransformer also comprises a height point lead-out terminal 301A who directly connects with electric loading 400, and one of tap of this height point lead-out terminal 301A and described secondary coil 101C is connected.A termination 101A of the described primary coil 100 of tap 101C distance that this height point lead-out terminal 301A is connected is nearest.
Described low level input terminal 200B be described zero point lead-out terminal 300B be not connected with the not-go-end head 101B of described primary coil 100.
Except that described terminal, the primary coil 100 of described autotransformer, secondary coil all are enclosed in the epoxy resin housing admittedly.
In the reality, this autotransformer can comprise the secondary coil of the primary coil 100 of three symmetries and three symmetries to constitute three-phase zeroing formula autotransformer, and the autotransformer circuit structure of every phase is similar to single-phase zeroing formula autotransformer.
2) single-phase voltage regulating device embodiment
As Fig. 3, be depicted as a kind of single-phase zeroing formula autotransformer and integrate the AC voltage-stabilizing pressure control device that forms.It comprises the double-throw contact array of contactor array 500, and described double-throw contact array converges and is connected on the aggregation lead-out terminal 300A; Described autotransformer comprises primary coil 100, secondary coil, is used for the high-order input terminal 200A of external power supply, low level input terminal 200B, zero point lead-out terminal 300B, be used to dock a plurality of butt joint lead-out terminal 302A, 303A, the 304A etc. of double-throw contact; Wherein, described high-order input terminal 200A is connecting a termination 101A of described primary coil 100, low level input terminal 200B and the direct short circuit of described lead-out terminal 300B at zero point, and a plurality of butt joint lead-out terminal 302A, 303A, 304A etc. are connecting a plurality of taps 102 of described secondary coil respectively, 103 etc., a plurality of double-throw contacts (shown in the arrow) respectively with a plurality of lead-out terminal 302A that dock, 303A, 304A flexibly connects, described autotransformer comprises that also at least one directly connects the height point lead-out terminal 301A with electric loading 400, one of the tap of this height point lead-out terminal 301A and described secondary coil 101C is connected, and described aggregation lead-out terminal 300A with described zero point lead-out terminal 300B directly link to each other.
Described contactor array 500 is installed in the same housing with described autotransformer.
Described voltage regulator also comprises the control unit 600 of controlling described contactor array 500, this control unit 600 comprises pressure-measuring head, treatment circuit and the output circuit (not detailed showing) of detection load terminal voltage, and this output circuit is connected with the trigger terminal of described contactor array 500.Described control unit 600 also is installed in the same housing with described autotransformer.
Claims (10)
1, a kind of zeroing formula autotransformer, this autotransformer comprises primary coil, secondary coil, described primary coil has comprised, has ended two ends, between a plurality of taps that rise, only the coil between the two ends is provided with secondary coil; This autotransformer also comprises the high and low position input terminal that is used for external power supply, zero point lead-out terminal, is used to dock a plurality of butt joint lead-out terminals of double-throw contact; Wherein, described high-order input terminal is connecting the termination of rising of described primary coil, low level input terminal and the direct short circuit of described lead-out terminal at zero point, and a plurality of butt joint lead-out terminals are connecting a plurality of taps of described secondary coil respectively, it is characterized in that: described autotransformer comprises that also at least one directly connects the height point lead-out terminal with electric loading, and one of tap of this height point lead-out terminal and described secondary coil is connected.
2, zeroing formula autotransformer as claimed in claim 1 is characterized in that: a termination of the described primary coil of the described high some tap that lead-out terminal connected distance is nearest.
3, zeroing formula autotransformer as claimed in claim 1 or 2 is characterized in that: described low level input terminal be described zero point lead-out terminal be connected with the not-go-end head of described primary coil or be not connected.
4, zeroing formula autotransformer as claimed in claim 1 or 2 is characterized in that: except that described terminal, primary coil, the secondary coil of described autotransformer all are sealed in the insulating material.
5, zeroing formula autotransformer as claimed in claim 1 or 2 is characterized in that: except that described terminal, the primary coil of described autotransformer, secondary coil all are enclosed in the epoxy resin housing admittedly.
6, a kind of voltage regulator that comprises as the described zeroing formula of one of claim 1～5 autotransformer, it comprises double-throw contact or double-throw contact array, described double-throw contact or double-throw contact array converge and are connected on the aggregation lead-out terminal; Described autotransformer comprises primary coil, secondary coil, be used for external power supply high and low position input terminal, zero point lead-out terminal, be used to dock a plurality of butt joint lead-out terminals of double-throw contact; Wherein, described high-order input terminal is connecting the termination of rising of described primary coil, low level input terminal and the direct short circuit of described lead-out terminal at zero point, and a plurality of butt joint lead-out terminals are connecting a plurality of taps of described secondary coil respectively, a plurality of double-throw contacts flexibly connect with a plurality of lead-out terminals that dock respectively, it is characterized in that: described autotransformer comprises that also at least one directly connects the height point lead-out terminal with electric loading, one of tap of this height point lead-out terminal and described secondary coil is connected, and described aggregation lead-out terminal with described zero point lead-out terminal directly link to each other.
7, voltage regulator as claimed in claim 6 is characterized in that: described voltage regulator comprises contactor or its array, and described contactor or its array comprise described double-throw contact or double-throw contact array.
8, voltage regulator as claimed in claim 7 is characterized in that: described contactor or its array and described autotransformer are installed in the same housing.
9, voltage regulator as claimed in claim 7, it is characterized in that: described voltage regulator also comprises the control unit of the described contactor of control or its array, this control unit comprises pressure-measuring head, treatment circuit and the output circuit of detection load terminal voltage, and this output circuit is connected with the trigger terminal of described contactor or its array.
10, voltage regulator as claimed in claim 9 is characterized in that: described control unit and described autotransformer are installed in the same housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520059763 CN2793889Y (en) | 2005-06-07 | 2005-06-07 | Zero-adjusting and self-coupling transformer and voltage adjuster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520059763 CN2793889Y (en) | 2005-06-07 | 2005-06-07 | Zero-adjusting and self-coupling transformer and voltage adjuster |
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| Publication Number | Publication Date |
|---|---|
| CN2793889Y true CN2793889Y (en) | 2006-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520059763 Expired - Fee Related CN2793889Y (en) | 2005-06-07 | 2005-06-07 | Zero-adjusting and self-coupling transformer and voltage adjuster |
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| CN (1) | CN2793889Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103295748A (en) * | 2013-06-03 | 2013-09-11 | 田安振 | Coil of compound voltage compensation autotransformer |
-
2005
- 2005-06-07 CN CN 200520059763 patent/CN2793889Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103295748A (en) * | 2013-06-03 | 2013-09-11 | 田安振 | Coil of compound voltage compensation autotransformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGGUAN HUASHENG ZHANHONG ELECTRONICS SCIENCE AND Free format text: FORMER OWNER: HE YUNSHENG Effective date: 20091218 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20091218 Address after: Guangdong province Dongguan City Dongkeng Town early pit team two Chun Road 10, zip code: 523200 Patentee after: Dongguan Huasheng Zhanhong Electronic Technology Co., Ltd. Address before: Xinhua Street, Dazhe town in Guangdong County of Pingyuan province zip code: 514600 Patentee before: He Yunsheng |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060705 Termination date: 20140607 |