CN107834910A - Water resistance starting device - Google Patents
Water resistance starting device Download PDFInfo
- Publication number
- CN107834910A CN107834910A CN201711151412.5A CN201711151412A CN107834910A CN 107834910 A CN107834910 A CN 107834910A CN 201711151412 A CN201711151412 A CN 201711151412A CN 107834910 A CN107834910 A CN 107834910A
- Authority
- CN
- China
- Prior art keywords
- water resistance
- normally opened
- motor
- opened contact
- szk1
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
- H02P1/26—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/02—Details
- H02P1/027—Special design of starting resistor
Abstract
Water resistance starting device of the present invention, belong to water resistance starting device technical field；Technical problem to be solved is：There is provided it is a kind of it is simple in construction, cost is low and can realize the water resistance starting device of soft starter for motor；Solve technical scheme that the technical problem uses for：It is connected after stop button TA one end concatenation fuse RT1 with control circuit power firestreak end L, the stop button TA other end is connected after being sequentially connected in series normally opened contact SZK1.1, coil YC1.1, normally-closed contact RJ1.2, fuse RT2 with control circuit zero-power line end N；Start button QA is attempted by normally opened contact SZK1.1 both ends, and normally opened contact YC1.2 is attempted by normally opened contact SZK1.1 both ends, and indicator lamp XHD1 is attempted by coil YC1.1 both ends；Water is filled with inside water resistance control cabinet SZK1, the distance between the pole plate of input and the pole plate of output end can be by water resistance controlled motor D2 drive controls；The present invention is applied to the place of installation motor.
Description
Technical field
Water resistance starting device of the present invention, belong to water resistance starting device technical field.
Background technology
The three phase alternating current motor used at present connects motor main circuit by control contactor closure on startup, due to
The opening and closing depending on contactor is connected, the current value of motor after powered up increased dramatically, and such hard reboot motor may be to it
Cause to damage, reduce service life；Current way is the installation soft start equipment in electric motor starting loop at present, to starting
The control that electric current is incrementally increased or progressively reduced, realize that the circuit structure of soft start is typically more complicated, power consumption is big, unstable
Fixed and cost is high, is promoted in the place of electric motor starting more difficult.
The content of the invention
The present invention overcomes the shortcomings of the prior art, and technical problem to be solved is：There is provided it is a kind of it is simple in construction, into
This is low and can realize the water resistance starting device of soft starter for motor；In order to solve the above-mentioned technical problem, the technical side that the present invention uses
Case is：Water resistance starting device, including motor D1, electrothermal relay RJ1, operation contactor YC1, air-break DZ1, stop pressing
Button TA, start button QA, fuse RT1, RT2, indicator lamp XHD1, water resistance control cabinet SZK1 is additionally included, wherein：
Electrothermal relay RJ1 coil is RJ1.1, normally-closed contact RJ1.2；
The coil for running contactor YC1 is YC1.1, normally opened contact YC1.2, YC1.3；
Water resistance control cabinet SZK1 normally opened contact is SZK1.1；
Motor D1 main circuit structure is：
The inlet wire termination three-phase alternating-current supply of the air-break DZ1, air-break DZ1 leading-out terminal and water resistance control cabinet
The pole plate of SZK1 inputs is connected, after the pole plates of water resistance control cabinet SZK1 output ends concatenation coil RJ1.1 with motor D1
Power end be connected；
The normally opened contact YC1.3 is attempted by water resistance control cabinet SZK1 both ends；
The switch that the water resistance control cabinet SZK1 is internally provided with water resistance controlled motor D2, the water resistance controlled motor D2 is open circuit
Switch DZ2, the disconnect switch DZ2 and air-break DZ1 and realize linkage；
Motor D1 controling circuit structure is：
It is connected after one end concatenation fuse RT1 of the stop button TA with control circuit power firestreak end L, the stop button
The TA other end is sequentially connected in series after normally opened contact SZK1.1, coil YC1.1, normally-closed contact RJ1.2, fuse RT2 with controlling electricity
Road zero-power line end N is connected；
The start button QA is attempted by normally opened contact SZK1.1 both ends, and the normally opened contact YC1.2 is attempted by normally opened contact
SZK1.1 both ends, the indicator lamp XHD1 are attempted by coil YC1.1 both ends.
Fill with water inside the water resistance control cabinet SZK1, the distance between the pole plate of input and the pole plate of output end can be by
Water resistance controlled motor D2 drive controls.
The present invention has the beneficial effect that relative to what prior art possessed：The present invention in motor main circuit by setting one
Water resistance tank realizes that variable resistance regulates and controls, and finally realizes the control to electric motor starting electric current gradual change；Water resistance tank is internally provided with control and regulation
Motor, the distance of water resistance tank input and output end pole plate is can control, after motor normal starting, water resistance tank loop will voluntarily be cut
It is disconnected, and original state is voluntarily returned back to, whole motor is completed to start by three-phase alternating current normal power supply；The letter of whole device structure
Single, cost is low, good to the control effect of motor power supply.
Brief description of the drawings
The present invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is the main circuit structure schematic diagram of motor of the present invention；
Fig. 2 is the control circuit structural representation of motor of the present invention.
Embodiment
As illustrated in fig. 1 and 2, water resistance starting device of the present invention, including motor D1, electrothermal relay RJ1, operation contactor
YC1, air-break DZ1, stop button TA, start button QA, fuse RT1, RT2, indicator lamp XHD1, additionally include water
Control cabinet SZK1 is hindered, wherein：
Electrothermal relay RJ1 coil is RJ1.1, normally-closed contact RJ1.2；
The coil for running contactor YC1 is YC1.1, normally opened contact YC1.2, YC1.3；
Water resistance control cabinet SZK1 normally opened contact is SZK1.1；
Motor D1 main circuit structure is：
The inlet wire termination three-phase alternating-current supply of the air-break DZ1, air-break DZ1 leading-out terminal and water resistance control cabinet
The pole plate of SZK1 inputs is connected, after the pole plates of water resistance control cabinet SZK1 output ends concatenation coil RJ1.1 with motor D1
Power end be connected；
The normally opened contact YC1.3 is attempted by water resistance control cabinet SZK1 both ends；
The switch that the water resistance control cabinet SZK1 is internally provided with water resistance controlled motor D2, the water resistance controlled motor D2 is open circuit
Switch DZ2, the disconnect switch DZ2 and air-break DZ1 and realize linkage；
Motor D1 controling circuit structure is：
It is connected after one end concatenation fuse RT1 of the stop button TA with control circuit power firestreak end L, the stop button
The TA other end is sequentially connected in series after normally opened contact SZK1.1, coil YC1.1, normally-closed contact RJ1.2, fuse RT2 with controlling electricity
Road zero-power line end N is connected；
The start button QA is attempted by normally opened contact SZK1.1 both ends, and the normally opened contact YC1.2 is attempted by normally opened contact
SZK1.1 both ends, the indicator lamp XHD1 are attempted by coil YC1.1 both ends.
Fill with water inside the water resistance control cabinet SZK1, the distance between the pole plate of input and the pole plate of output end can be by
Water resistance controlled motor D2 drive controls.
During present invention work, after motor D1 startups, air-break DZ1 is connected, motor main circuit is powered, while water
Resistance case SZK1 disconnect switch DZ2 is also also turned on, and water resistance controlled motor D2 brings into operation, and makes water resistance tank SZK1 resistance from most
Big value starts progressively to reduce, and the voltage that water resistance controlled motor D2 is obtained is stepped up, when reaching maximum voltage, the electricity of water resistance tank
Resistance is minimum, water resistance tank auxiliary switch normally opened contact SZK1.1 closures, turns on circuit for controlling motor, coil YC1.1 is powered, often
Open contact YC1.2 closures and realize self-locking, and indicator lamp XHD is lighted, while the normally opened contact YC1.3 in controlled motor main circuit
Closure, by water resistance tank short circuit so that motor D1 normal power-ups are run；Meanwhile water resistance controlled motor D2 controlling plates return
Beginning position, and control water resistance tank auxiliary switch normally opened contact SZK1.1 disconnect, for next time start be ready；It is electronic when needing
When machine D1 is stopped, stop button TA is pressed, does not such as need water resistance tank to start, it is straight also can directly to press start button QA
Connect and start motor D1.
When motor or load break down, when main circuit current exceedes setting value, thermal protector coil RJ1.1 is acted, control
Normally closed switch RJ1.2 processed disconnects, and control motor D1 is out of service, ensures that equipment is safe for operation.
The water resistance tank SZK1 used in the present invention, it specifically could be arranged to change water resistance tank resistance using pole plate up-down mode
Value, each pole plate are immersed in the water in water resistance tank, and default electrolytic powder is added in water；Resistance box prestart, top crown
Topmost, during starting, top crown progressively at the uniform velocity moves down under lifting motor D2 drive, or moves down several seconds, stops several seconds again
Continue to move down, and repeat above-mentioned action, can be by setting motor D2 to realize so that in water resistance tank between two-plate away from
From reduction, the resistance value between corresponding two-plate reduces, then the voltage at motor D1 ends is progressively by low rise, when top crown moves
During to most lower limit, short circuit normally opened contact YC1.3 so that the contact closure, at the same time, top crown start up to go up, and return
When rising to home position, it is ready for startup next time.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (2)
1. water resistance starting device, it is characterised in that：Including motor D1, electrothermal relay RJ1, operation contactor YC1, air break
Device DZ1, stop button TA, start button QA, fuse RT1, RT2, indicator lamp XHD1, additionally include water resistance control cabinet
SZK1, wherein：
Electrothermal relay RJ1 coil is RJ1.1, normally-closed contact RJ1.2；
The coil for running contactor YC1 is YC1.1, normally opened contact YC1.2, YC1.3；
Water resistance control cabinet SZK1 normally opened contact is SZK1.1；
Motor D1 main circuit structure is：
The inlet wire termination three-phase alternating-current supply of the air-break DZ1, air-break DZ1 leading-out terminal and water resistance control cabinet
The pole plate of SZK1 inputs is connected, after the pole plates of water resistance control cabinet SZK1 output ends concatenation coil RJ1.1 with motor D1
Power end be connected；
The normally opened contact YC1.3 is attempted by water resistance control cabinet SZK1 both ends；
The switch that the water resistance control cabinet SZK1 is internally provided with water resistance controlled motor D2, the water resistance controlled motor D2 is open circuit
Switch DZ2, the disconnect switch DZ2 and air-break DZ1 and realize linkage；
Motor D1 controling circuit structure is：
It is connected after one end concatenation fuse RT1 of the stop button TA with control circuit power firestreak end L, the stop button
The TA other end is sequentially connected in series after normally opened contact SZK1.1, coil YC1.1, normally-closed contact RJ1.2, fuse RT2 with controlling electricity
Road zero-power line end N is connected；
The start button QA is attempted by normally opened contact SZK1.1 both ends, and the normally opened contact YC1.2 is attempted by normally opened contact
SZK1.1 both ends, the indicator lamp XHD1 are attempted by coil YC1.1 both ends.
2. water resistance starting device according to claim 1, it is characterised in that：Filled with inside the water resistance control cabinet SZK1
Water, the distance between the pole plate of input and the pole plate of output end can be by water resistance controlled motor D2 drive controls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711151412.5A CN107834910B (en) | 2017-11-18 | 2017-11-18 | Water resistance starting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711151412.5A CN107834910B (en) | 2017-11-18 | 2017-11-18 | Water resistance starting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107834910A true CN107834910A (en) | 2018-03-23 |
| CN107834910B CN107834910B (en) | 2020-04-28 |
Family
ID=61652887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711151412.5A Active CN107834910B (en) | 2017-11-18 | 2017-11-18 | Water resistance starting device |
Country Status (1)
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| CN (1) | CN107834910B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2585484Y (en) * | 2002-06-20 | 2003-11-05 | 襄樊海纳电气有限公司 | Water rheostat soft starting device for pump motor |
| CN201656865U (en) * | 2010-04-30 | 2010-11-24 | 襄樊新百特自动化设备有限公司 | Comprehensive compensation soft start device for winding motor |
| CN103427725A (en) * | 2012-12-24 | 2013-12-04 | 大禹电气科技股份有限公司 | Micro-motor water resistance soft start control device |
| CN203434597U (en) * | 2013-06-29 | 2014-02-12 | 襄垣县树元电器有限公司 | Motor overheating delay protection self-lock device |
| CN203840239U (en) * | 2014-05-26 | 2014-09-17 | 湖北鑫达电气有限公司 | High pressure liquid water resistance soft starting cabinet water resistance temperature closed-loop control instrument |
-
2017
- 2017-11-18 CN CN201711151412.5A patent/CN107834910B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2585484Y (en) * | 2002-06-20 | 2003-11-05 | 襄樊海纳电气有限公司 | Water rheostat soft starting device for pump motor |
| CN201656865U (en) * | 2010-04-30 | 2010-11-24 | 襄樊新百特自动化设备有限公司 | Comprehensive compensation soft start device for winding motor |
| CN103427725A (en) * | 2012-12-24 | 2013-12-04 | 大禹电气科技股份有限公司 | Micro-motor water resistance soft start control device |
| CN203434597U (en) * | 2013-06-29 | 2014-02-12 | 襄垣县树元电器有限公司 | Motor overheating delay protection self-lock device |
| CN203840239U (en) * | 2014-05-26 | 2014-09-17 | 湖北鑫达电气有限公司 | High pressure liquid water resistance soft starting cabinet water resistance temperature closed-loop control instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107834910B (en) | 2020-04-28 |
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Effective date of registration: 20221208 Address after: 272000 Room 301, Creative Building, No. 69, Haichuan Road, Jining High tech Zone, Jining City, Shandong Province Patentee after: Jining High-tech Cultural and Creative Park Service Co.,Ltd. Address before: 046299 Wuyang village, Wangqiao Town, Xiangyuan County, Changzhi City, Shanxi Province Patentee before: XIANGHUAN SHUYUAN ELECTRICAL APPLIANCE Co.,Ltd. |