CN105322854A - Automatic regulation system and method for elevator transformer voltage - Google Patents
Automatic regulation system and method for elevator transformer voltage Download PDFInfo
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- CN105322854A CN105322854A CN201510459614.0A CN201510459614A CN105322854A CN 105322854 A CN105322854 A CN 105322854A CN 201510459614 A CN201510459614 A CN 201510459614A CN 105322854 A CN105322854 A CN 105322854A
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Abstract
The invention relates to an automatic regulation system and method for an elevator transformer voltage. The problems of inaccurate regulation and power failure for stopping an elevator due to the adoption of a manual operation for existing elevator transformer voltage fluctuation are solved. The system comprises a transformer and a regulator. The input end of a primary coil of the transformer is provided with a plurality of taps. The regulator comprises three input ends electrically connected with three phases, and a plurality of output ends. The output ends of the regulator are correspondingly connected with the taps of the input end of the primary coil of the transformer. Voltage control units are connected between the input ends and the output ends of the regulator. The regulator further comprises a processing unit and a voltage sampling unit. According to the system and the method, input and output voltage values of the transformer are automatically detected, and the positions connected with the input ends and the output ends of the regulator are automatically adjusted, so that a load voltage tends to be a rated value. The system and the method have the advantages that the problem of inaccurate manual regulation is solved, and no power failure for stopping the elevator is required during regulation.
Description
Technical field
The present invention relates to a kind of elevator technology field, especially relate to one and regulate elevator transformer voltage automatic regulating system and method accurately.
Background technology
China's overwhelming majority elevator adopts has the Industrial Frequency Transformer of two or more secondary winding normally to work required voltage to obtain elevator, as safety return circuit 110V, brake loop 110V or 48V, and 30V of order circuit etc.Because of elevator install time, major part is interim electricity power supply, and voltage fluctuation is comparatively large, for avoiding input side voltage fluctuation to cause load cisco unity malfunction and useful life to shorten, usually reserves multiple tap at primary winding, used for regulating during voltage fluctuation.As shown in Figure 3, if input connects 380V tap, when input voltage is 380V, secondary output voltage is 110V and 54V; And when input voltage rises to 415V, secondary voltage is just upgraded to 120V and 59V, overtension can shorten the useful life of load, if input is connect 415V tap, secondary voltage also can be stabilized in 110V and 54V.And be all carry out manual adjustment by operating personnel at present, but manually cannot accurately regulate when voltage fluctuation is frequent, and need power-off to stop ladder when regulating, inconvenient operation.
Summary of the invention
The present invention mainly solves elevator transformer voltage fluctuation in prior art and adopts manual operation existence accurately to regulate, and regulates the problem needing power-off to stop ladder, provides one and regulate elevator transformer voltage automatic regulating system accurately.
Present invention also offers one and regulate elevator transformer voltage Automatic adjustment method accurately.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of elevator transformer voltage automatic regulating system, comprise transformer, transformer input has multiple tap, system also comprises adjuster, adjuster comprises the three road inputs be connected with three-phase electricity, and multi-channel output, adjuster multi-channel output is corresponding with the multiple tap of transformer input to be respectively connected, be connected with by selecting suitable adjuster input or output to regulate transformer to input or output the voltage control unit of voltage between adjuster input and output, adjuster also includes processing unit, voltage sampling unit, described voltage sampling unit input respectively with adjuster input, transformer secondary coil output connects, voltage sampling unit output is connected with processing unit, processing unit and voltage control unit, elevator main control board is connected.The present invention detects transformer input and output magnitude of voltage in real time by voltage sampling unit, detect elevator operation by being connected with master control borad simultaneously, when detect three-phase input voltage or three-phase output voltage exceed the rated voltage of setting and elevator inoperative time, voltage control unit changes input line voltage by selecting to connect suitable adjuster input, or by selecting the suitable output of connection adjustor to change transformer secondary coil output end voltage.The present invention by automatically detecting transformer input and output magnitude of voltage, and regulates and adjuster input, output link position automatically, makes load voltage be tending towards rated value, solves the problem that manual adjustment cannot accurately regulate.And stop ladder without the need to power-off when regulating.Adjuster multi-channel output quantity is the same with the multiple number of taps of transformer input, and between them, one_to_one corresponding is connected.
As a kind of preferred version, described voltage control unit includes the first relay, second relay and unit switch, the contact part of described first relay and the second relay is single-pole double-throw switch (SPDT), unit switch comprises the multiple and switch connect, first relay contact part two not moved end respectively with adjuster wherein two-way input be connected, first relay contact part moved end is connected with unit switch input respectively, second relay contact part two not moved end respectively with adjuster wherein two-way input be connected, second relay contact part moved end is connected with transformer secondary coil output, the output of multiple switches of unit switch is respective corresponding with adjuster multi-channel output connected respectively, described first, the coiler part of the second relay is connected with processing unit respectively, the control end of each switch of unit switch is connected with processing unit respectively.Adjuster input has three, and the first relay contact part two not moved end connects wherein first input end and the second input, and the second relay contact part two does not connect wherein the second input and the 3rd input in moved end.Adjuster input is two phase line top-stitching voltages, by regulating first, second relay contact part moved end, adjuster input can be changed into three voltage statuss, as U
aB, U
aCor U
bC.The number of switches of unit switch is the same with adjuster multi-channel output quantity, is also that one_to_one corresponding is connected between them.By the conducting of processing unit control switch, thus select to connect suitable transformer input tap, thus adjustment transformer secondary coil output voltage.The switch of unit switch can be relay also can be electronic switching tube, controls each switch opening and closing by processing unit.
As a kind of preferred version, also include man-machine interaction unit, man-machine interaction unit comprises display screen and button, and display screen is connected with processing unit respectively with button.Man-machine interaction unit is used for the transformer tapping load voltage value that in user's initialization system, each output of adjuster is corresponding, and the load voltage value of transformer secondary coil output feedack.
A kind of elevator transformer voltage Automatic adjustment method, comprises the following steps:
S1. adjuster input end line voltage rating is set, the load voltage value of transformer secondary coil output;
S2. detect the voltage of each input of adjuster, transformer secondary coil output, calculate adjuster input end line magnitude of voltage;
S3. detect elevator and whether be in running status, if then return step S2, then enter next step if not;
S4. detect adjuster input end line magnitude of voltage whether off-rating, if then regulate the first relay or the second relay, adjuster input is switched to another two-phase, then returns step S2, then enter next step if not; Detect adjuster input end line voltage and namely detect transformer input voltage magnitude of voltage.
S5. detect transformer secondary coil output end voltage value whether off-rating, if then regulate unit switch to connect suitable tap, then return step S2, then return step S2 if not.
The inventive method is by continuous automatic inspection transformer input voltage and secondary coil output end voltage value, when input voltage or output voltage exceed load voltage value and elevator is in non-operating state is, voltage control unit automatically adjusts, make actual output voltage and rated output voltage difference minimum.
Therefore, advantage of the present invention is: by automatically detecting transformer input and output magnitude of voltage, and automatically regulates and adjuster input, output link position, makes load voltage be tending towards rated value, solves the problem that manual adjustment cannot accurately regulate.And stop ladder without the need to power-off when regulating.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of structural frames diagram of the present invention;
Accompanying drawing 2 is a kind of schematic flow sheets of the present invention;
Accompanying drawing 3 is a kind of structural representations of the transformer exemplified in background technology of the present invention.
1-adjuster 2-transformer 3-voltage control unit 4-voltage sampling unit 5-processing unit 6-man-machine interaction unit 7-display screen 8-button 9-master control borad.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment:
A kind of elevator transformer voltage of the present embodiment automatic regulating system, as shown in Figure 1, comprise transformer 2 and adjuster 1, transformer input has multiple tap.Adjuster comprises three road input and the multi-channel outputs be connected with three-phase electricity, adjuster multi-channel output respectively tap one_to_one corresponding multiple with transformer input is connected, and is connected with by selecting suitable adjuster input or output to regulate transformer to input or output the voltage control unit 3 of voltage between adjuster input and output.Adjuster also includes processing unit 5, voltage sampling unit 4 and human-computer interaction unit 6.Voltage sampling unit input is connected with adjuster three inputs, transformer secondary coil output respectively.Voltage sampling unit output is connected with processing unit, and processing unit is connected with voltage control unit, elevator main control board 9.Human-computer interaction unit comprises display screen 7 and button 8, and display screen is connected with processing unit respectively with button.
Voltage control unit 3 includes the first relay J 1, second relay J 2 and unit switch, the contact part of the first relay J 1 and the second relay J 2 is single-pole double-throw switch (SPDT), unit switch comprises the multiple and switch connect, first relay J 1 contact part two not moved end respectively with the adjuster first via, second road input connects, first relay J 1 contact part moved end is connected with unit switch input respectively, second relay J 2 contact part two not moved end respectively with adjuster second tunnel, 3rd road input connects, second relay J 2 contact part moved end is connected with transformer secondary coil output, the output of multiple switches of unit switch is respective corresponding with adjuster multi-channel output connected respectively, first, the coiler part of the second relay is connected with processing unit respectively, the control end of each switch of unit switch is connected with processing unit respectively.
A kind of elevator transformer voltage Automatic adjustment method, comprises the following steps:
S1. elevator power-on self-test.Then adjuster input end line voltage rating is set, the load voltage value of transformer secondary coil output; Namely transformer inputs and output end voltage rated value is set.Elevator initial launch.
S2. detect the voltage of each input of adjuster, transformer secondary coil output, calculate adjuster input end line magnitude of voltage; Namely the line voltage between the two-way input that connected is calculated.
S3. detect elevator and whether be in running status, if then return step S2, then enter next step if not; Elevator operation information is provided by master control borad.
S4. detect adjuster input end line magnitude of voltage and whether exceed setting voltage rated value, if then regulate the first relay or the second relay, adjuster input is switched to another two-phase, then returns step S2, then enter next step if not;
S5. detect transformer secondary coil output end voltage value and whether exceed setting voltage rated value, if then regulate unit switch to connect suitable tap, then return step S2, then return step S2 if not.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ the terms such as adjuster, transformer, voltage control unit, voltage sampling unit herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (4)
1. an elevator transformer voltage automatic regulating system, comprise transformer, transformer input has multiple tap, it is characterized in that: system also comprises adjuster (1), adjuster comprises the three road inputs be connected with three-phase electricity, and multi-channel output, adjuster multi-channel output is corresponding with the multiple tap of transformer input to be respectively connected, be connected with by selecting suitable adjuster input or output to regulate transformer to input or output the voltage control unit (3) of voltage between adjuster input and output, adjuster also includes processing unit (5), voltage sampling unit (4), described voltage sampling unit input respectively with adjuster input, transformer secondary coil output connects, voltage sampling unit output is connected with processing unit, processing unit and voltage control unit, elevator main control board is connected.
2. a kind of elevator transformer voltage automatic regulating system according to claim 1, it is characterized in that described voltage control unit (3) includes the first relay, second relay and unit switch, the contact part of described first relay and the second relay is single-pole double-throw switch (SPDT), unit switch comprises the multiple and switch connect, first relay contact part two not moved end respectively with adjuster wherein two-way input be connected, first relay contact part moved end is connected with unit switch input respectively, second relay contact part two not moved end respectively with adjuster wherein two-way input be connected, second relay contact part moved end is connected with transformer secondary coil output, the output of multiple switches of unit switch is respective corresponding with adjuster multi-channel output connected respectively, described first, the coiler part of the second relay is connected with processing unit (5) respectively, the control end of each switch of unit switch is connected with processing unit respectively.
3. a kind of elevator transformer voltage automatic regulating system according to claim 1, it is characterized in that also including man-machine interaction unit (6), man-machine interaction unit comprises display screen (7) and button (8), and display screen and button are connected with processing unit (5) respectively.
4. an elevator transformer voltage Automatic adjustment method, adopts the system in any one of power 1-3, it is characterized in that: comprise the following steps:
S1. adjuster input end line voltage rating is set, the load voltage value of transformer secondary coil output;
S2. detect the voltage of each input of adjuster, transformer secondary coil output, calculate adjuster input end line magnitude of voltage;
S3. detect elevator and whether be in running status, if then return step S2, then enter next step if not;
S4. detect adjuster input end line magnitude of voltage whether off-rating, if then regulate the first relay or the second relay, adjuster input is switched to another two-phase, then returns step S2, then enter next step if not;
S5. detect transformer secondary coil output end voltage value whether off-rating, if then regulate unit switch to connect suitable tap, then return step S2, then return step S2 if not.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510459614.0A CN105322854A (en) | 2015-07-30 | 2015-07-30 | Automatic regulation system and method for elevator transformer voltage |
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|---|---|---|---|
| CN201510459614.0A CN105322854A (en) | 2015-07-30 | 2015-07-30 | Automatic regulation system and method for elevator transformer voltage |
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| CN105322854A true CN105322854A (en) | 2016-02-10 |
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| CN201510459614.0A Pending CN105322854A (en) | 2015-07-30 | 2015-07-30 | Automatic regulation system and method for elevator transformer voltage |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109039185A (en) * | 2018-08-09 | 2018-12-18 | 青海盐湖工业股份有限公司 | A kind of pressure regulation transformation system with self-regulating function |
| CN112327984A (en) * | 2020-10-16 | 2021-02-05 | 苏州汇川技术有限公司 | Safety loop voltage regulating circuit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1102390A2 (en) * | 1999-11-22 | 2001-05-23 | Siemens Aktiengesellschaft | Drive device for lift doors |
| CN1558524A (en) * | 2004-02-09 | 2004-12-29 | 林沧铭 | Charging device |
| CN101202467A (en) * | 2007-07-23 | 2008-06-18 | 刘岩 | Low-voltage control circuit power supply source switching device |
| CN101583553A (en) * | 2006-08-31 | 2009-11-18 | 奥蒂斯电梯公司 | Management of power source variations in an elevator drive system |
| CN202197220U (en) * | 2011-05-27 | 2012-04-18 | 北京市电力公司 | Secondary circuit phase sequence commutation circuit |
| CN203671834U (en) * | 2013-12-26 | 2014-06-25 | 珠海格力电器股份有限公司 | Soft start charging circuit |
-
2015
- 2015-07-30 CN CN201510459614.0A patent/CN105322854A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1102390A2 (en) * | 1999-11-22 | 2001-05-23 | Siemens Aktiengesellschaft | Drive device for lift doors |
| CN1558524A (en) * | 2004-02-09 | 2004-12-29 | 林沧铭 | Charging device |
| CN101583553A (en) * | 2006-08-31 | 2009-11-18 | 奥蒂斯电梯公司 | Management of power source variations in an elevator drive system |
| CN101202467A (en) * | 2007-07-23 | 2008-06-18 | 刘岩 | Low-voltage control circuit power supply source switching device |
| CN202197220U (en) * | 2011-05-27 | 2012-04-18 | 北京市电力公司 | Secondary circuit phase sequence commutation circuit |
| CN203671834U (en) * | 2013-12-26 | 2014-06-25 | 珠海格力电器股份有限公司 | Soft start charging circuit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109039185A (en) * | 2018-08-09 | 2018-12-18 | 青海盐湖工业股份有限公司 | A kind of pressure regulation transformation system with self-regulating function |
| CN109039185B (en) * | 2018-08-09 | 2021-03-09 | 青海盐湖工业股份有限公司 | Voltage regulating and transforming system with self-adjusting function |
| CN112327984A (en) * | 2020-10-16 | 2021-02-05 | 苏州汇川技术有限公司 | Safety loop voltage regulating circuit |
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Application publication date: 20160210 |