CN110350825A - Motor high pressure soft starting device - Google Patents
Motor high pressure soft starting device Download PDFInfo
- Publication number
- CN110350825A CN110350825A CN201910776059.2A CN201910776059A CN110350825A CN 110350825 A CN110350825 A CN 110350825A CN 201910776059 A CN201910776059 A CN 201910776059A CN 110350825 A CN110350825 A CN 110350825A
- Authority
- CN
- China
- Prior art keywords
- vacuum contactor
- power supply
- supply circuit
- motor
- high pressure
- 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.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 20
- 239000012190 activator Substances 0.000 claims abstract description 19
- 238000005265 energy consumption Methods 0.000 claims abstract description 8
- 239000007858 starting material Substances 0.000 claims abstract description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- H02J7/022—
-
- 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 of starting control
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor And Converter Starters (AREA)
Abstract
The invention discloses a kind of motor high pressure soft starting devices, including voltage transformer, vacuum contactor power supply circuit and vacuum contactor；The input terminal of the voltage transformer connects power input, its output end connects the vacuum contactor power supply circuit, the output end of the vacuum contactor power supply circuit connects vacuum contactor, and the vacuum contactor powers on after soft starter for motor and motor；The power input gives the power supply of vacuum contactor power supply circuit through the transformed output voltage of voltage transformer, all the way to the energy consumption module for power supply of soft activator all the way；The vacuum contactor power supply circuit includes charging module, which includes multiple capacitors an of capacitor or parallel connection.Motor high pressure soft starting device of the invention, transformer in the prior art is replaced to power to vacuum contactor from the termination electricity that exports of voltage transformer by vacuum contactor power supply circuit, it is big to solve the problems, such as that vacuum contactor is attracted instantaneous demand energy, while substantially reducing soft activator cost.
Description
Technical field
The present invention relates to soft activator fields, and in particular to a kind of motor high pressure soft starting device.
Background technique
Soft activator is a kind of motor for integrating electric machine soft starting, soft stop, light-load energy saving and multi-protective function
Controller, main composition have the three-phase anti-parallel thyristor being serially connected between power supply and controlled motor and its electronic control electricity
Road.When soft start motor, the output voltage of thyristor is gradually increased, and motor ramps up, until thyristor is connected entirely, motor
Work realizes smooth starting in the mechanical property of voltage rating；When motor reaches rated speed, start-up course terminates, soft
Starter automatically switches to the thyristor that bypass contactor replaces the task that is completed, and provides rated power supply for motor normal operation.
Soft activator in the prior art, power input 10kV three-phase alternating current are all the way turned the 10kV using transformer
110V voltage is changed into the coil power supply of vacuum contactor, all the way using voltage transformer by the 10kV be transformed into target voltage to
Other energy consumption module for power supply (including the energy consumptions such as Group of Silicon Controlled Rectifier, control mainboard component) of soft activator, are used alone transformation herein
Device converts 10kV to 110V and powers to vacuum contactor, is because the energy of vacuum contactor actuation moment needs is very big, at present
The voltage transformer of existing capacity is not able to satisfy the energy requirement that vacuum contactor is attracted moment, could only be solved using transformer
Certainly vacuum contactor is attracted the energy problem of moment.
But the transformer for converting 10kV to 110V is expensive, is unfavorable for reducing the cost of soft activator, so that part
The soft activator of model holds at high price.
Summary of the invention
The embodiment of the present invention provides a kind of motor high pressure soft starting device that can reduce cost.
In order to solve the above-mentioned technical problems, the present invention provides a kind of motor high pressure soft starting device, including voltage transformer,
Vacuum contactor power supply circuit and vacuum contactor；The input terminal of the voltage transformer connects power input, and output end connects
The vacuum contactor power supply circuit is connect, the output end of the vacuum contactor power supply circuit connects vacuum contactor, described true
Empty contactor powers on after soft starter for motor and motor；The power input is through the transformed output of voltage transformer
Voltage gives the vacuum contactor power supply circuit power supply, all the way to the energy consumption module for power supply of soft activator all the way；The vacuum connects
Tentaculum power supply circuit includes charging module, and the charging module includes multiple capacitors an of capacitor or parallel connection.
In a preferred embodiment of the present invention, further comprise the vacuum contactor power supply circuit further include electric discharge mould
Group, the electric discharge mould group include that one R1 of resistor and relay J, one R1 of resistor connected in series have one or string
What is joined is multiple.
It further comprise the vacuum contactor power supply circuit further include that rectification is single in a preferred embodiment of the present invention
The output end of member, the rectification unit and voltage transformer connects, and the charging module connects the output end of the rectification unit.
It further comprise the vacuum contactor power supply circuit further include that capacitor is deposited in a preferred embodiment of the present invention
Pyroelectric monitor mould group, the capacitor deposit the light emitting diode that pyroelectric monitor mould group includes two R2 of resistor He is attached thereto, the hair
Anode connection two R2 of resistor of optical diode, cathode ground connection；Two R2 of resistor is with one or concatenated multiple.
It further comprise the energy consumption module of the soft activator including at least silicon-controlled in a preferred embodiment of the present invention
Group and control mainboard, the Group of Silicon Controlled Rectifier are connected between power supply and motor；The control mainboard controls soft for output signal
The operating status of starter.
Beneficial effects of the present invention:
The motor high pressure soft starting device of the embodiment of the present invention, by vacuum contactor power supply circuit from the output of voltage transformer
Termination electricity replaces transformer in the prior art to power to vacuum contactor, and it is big that solution vacuum contactor is attracted instantaneous demand energy
The problem of, while substantially reducing soft activator cost.
Detailed description of the invention
Fig. 1 is the structural block diagram of motor high pressure soft starting device in the embodiment of the present invention；
Fig. 2 is the circuit diagram of vacuum contactor power supply circuit in the device of motor high pressure soft starting shown in Fig. 1.
Wherein, 10- rectification unit, 20- charging module, 30- electric discharge mould group, 40- capacitor deposit pyroelectric monitor mould group.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, so that those skilled in the art can be with
It more fully understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Embodiment
The present embodiment discloses a kind of motor high pressure soft starting device, shown referring to Fig.1, which includes electricity
Press mutual inductor, vacuum contactor power supply circuit and vacuum contactor；The input terminal of above-mentioned voltage transformer connects power input,
Output end connects above-mentioned vacuum contactor power supply circuit, and the output end of above-mentioned vacuum contactor power supply circuit connects vacuum contact
Device, above-mentioned vacuum contactor powers on after soft starter for motor and motor；Above-mentioned power input becomes through voltage transformer
Output voltage after changing gives above-mentioned vacuum contactor power supply circuit power supply, all the way to other energy consumption modules confession of soft activator all the way
Electricity, other energy consumption modules of soft activator include at least Group of Silicon Controlled Rectifier and control mainboard herein, and above-mentioned Group of Silicon Controlled Rectifier is connected to electricity
Between source and motor；Operating status of the above-mentioned control mainboard for output signal control soft activator.
Referring to shown in Fig. 2, above-mentioned vacuum contactor power supply circuit includes rectification unit 10, charging module 20, electric discharge mould group
30 and capacitor deposit pyroelectric monitor mould group 40.Above-mentioned rectification unit 10 is connect with the output end of voltage transformer, is used for voltage
The alternating current of mutual inductor output is converted into direct current and supplies electricity to the power supply of charging module 20.Above-mentioned charging module 20 includes a capacitor C
Or multiple capacitor C in parallel；Above-mentioned electric discharge mould group 30 includes one R1 of resistor and normally opened relay J connected in series, should
One R1 of resistor is with one or concatenated multiple；Above-mentioned charging module 20 and electric discharge mould group 30 are all connected with above-mentioned rectification unit
10 output end.The capacitor C of charging module charges to power to vacuum contactor, meets the energy that vacuum contactor is attracted moment
Demand.The resistor R1 of electric discharge mould group 30 realizes the repid discharge of capacitor memory storage energy when soft activator is overhauled/replaced,
Ensure being perfectly safe for personnel's operation.
It resistor two R2 and the light emitting diode that is attached thereto that capacitor, which deposits pyroelectric monitor mould group 40 to include, above-mentioned light-emitting diodes
Anode connection two R2 of resistor of pipe, cathode ground connection；Above-mentioned two R2 of resistor is with one or concatenated multiple.Capacitor
It deposits pyroelectric monitor mould group 40 and plays the role of the status display whether capacitor deposits electricity.For example, Light-emitting diode LED when capacitor deposits electricity
Bright, Light-emitting diode LED is gone out when not depositing electricity.
More than, the motor high pressure soft starting device of the embodiment of the present invention, by vacuum contactor power supply circuit from voltage transformer
The termination electricity that exports replace transformer in the prior art to give vacuum contactor power supply, solve vacuum contactor and be attracted instantaneous demand
The big problem of energy, while substantially reducing the soft activator cost using transformer.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in the present invention
Protection scope within.Protection scope of the present invention is subject to claims.
Claims (5)
1. a kind of motor high pressure soft starting device, it is characterised in that: including voltage transformer, vacuum contactor power supply circuit and vacuum
Contactor；The input terminal of the voltage transformer connects power input, and output end connects the vacuum contactor power supply circuit,
The output end of the vacuum contactor power supply circuit connects vacuum contactor, and the vacuum contactor is after soft starter for motor
Power on and motor；The power input gives the vacuum contactor to supply all the way through the transformed output voltage of voltage transformer
Circuit power supply, the energy consumption module for power supply for giving soft activator all the way；The vacuum contactor power supply circuit includes charging module, institute
State multiple capacitors that charging module includes a capacitor or parallel connection.
2. motor high pressure soft starting device as described in claim 1, it is characterised in that: the vacuum contactor power supply circuit also wraps
Electric discharge mould group is included, the electric discharge mould group includes resistor one (R1) and relay connected in series (J), the resistor one (R1)
It is with one or concatenated multiple.
3. motor high pressure soft starting device as described in claim 1, it is characterised in that: the vacuum contactor power supply circuit also wraps
It includes capacitor and deposits pyroelectric monitor mould group, the capacitor deposits that pyroelectric monitor mould group includes resistor two (R2) and what is be attached thereto shine two
Pole pipe, anode connection resistor two (R2) of the light emitting diode, cathode ground connection；The resistor two (R2) has one
Or it is concatenated multiple.
4. motor high pressure soft starting device as described in claim 1, it is characterised in that: the vacuum contactor power supply circuit also wraps
Rectification unit, the output end connection of the rectification unit and voltage transformer are included, the charging module connects the rectification unit
Output end.
5. such as the described in any item motor high pressure soft starting devices of Claims 1 to 4, it is characterised in that: the energy of the soft activator
It consumes module and includes at least Group of Silicon Controlled Rectifier and control mainboard, the Group of Silicon Controlled Rectifier is connected between power supply and motor；The control master
Operating status of the plate for output signal control soft activator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910776059.2A CN110350825A (en) | 2019-08-21 | 2019-08-21 | Motor high pressure soft starting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910776059.2A CN110350825A (en) | 2019-08-21 | 2019-08-21 | Motor high pressure soft starting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110350825A true CN110350825A (en) | 2019-10-18 |
Family
ID=68181020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910776059.2A Pending CN110350825A (en) | 2019-08-21 | 2019-08-21 | Motor high pressure soft starting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110350825A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201523241U (en) * | 2009-10-14 | 2010-07-07 | 江苏谷峰电力科技有限公司 | Voltage reactive comprehensive optimization compensating device |
| CN201725725U (en) * | 2010-05-21 | 2011-01-26 | 成都国光电气股份有限公司 | Snap-action vacuum contactor |
| US20130214922A1 (en) * | 2012-02-17 | 2013-08-22 | Roger S. Clarke | Electrical panel safety monitor |
| CN203761306U (en) * | 2014-04-04 | 2014-08-06 | 楼上阳 | Silicon controlled rectifier valve subassembly for medium-and-high-voltage solid soft starting cabinet |
| RU2584817C1 (en) * | 2015-01-29 | 2016-05-20 | Николай Петрович Чернов | Method of controlling start-up of asynchronous electric motor of submersible pump |
| CN205754076U (en) * | 2016-06-13 | 2016-11-30 | 西安西驰电气股份有限公司 | High-voltage solid-state soft starter device |
| CN206389304U (en) * | 2016-12-01 | 2017-08-08 | 国网辽宁省电力有限公司电力科学研究院 | Motor electromagnetic start system |
| CN109459688A (en) * | 2018-12-03 | 2019-03-12 | 中国电力科学研究院有限公司 | Promote and evaluate the hookup and device of vacuum circuit breaker performance |
| CN210297574U (en) * | 2019-08-21 | 2020-04-10 | 苏州艾克威尔科技有限公司 | High-voltage soft starter for motor |
-
2019
- 2019-08-21 CN CN201910776059.2A patent/CN110350825A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201523241U (en) * | 2009-10-14 | 2010-07-07 | 江苏谷峰电力科技有限公司 | Voltage reactive comprehensive optimization compensating device |
| CN201725725U (en) * | 2010-05-21 | 2011-01-26 | 成都国光电气股份有限公司 | Snap-action vacuum contactor |
| US20130214922A1 (en) * | 2012-02-17 | 2013-08-22 | Roger S. Clarke | Electrical panel safety monitor |
| CN203761306U (en) * | 2014-04-04 | 2014-08-06 | 楼上阳 | Silicon controlled rectifier valve subassembly for medium-and-high-voltage solid soft starting cabinet |
| RU2584817C1 (en) * | 2015-01-29 | 2016-05-20 | Николай Петрович Чернов | Method of controlling start-up of asynchronous electric motor of submersible pump |
| CN205754076U (en) * | 2016-06-13 | 2016-11-30 | 西安西驰电气股份有限公司 | High-voltage solid-state soft starter device |
| CN206389304U (en) * | 2016-12-01 | 2017-08-08 | 国网辽宁省电力有限公司电力科学研究院 | Motor electromagnetic start system |
| CN109459688A (en) * | 2018-12-03 | 2019-03-12 | 中国电力科学研究院有限公司 | Promote and evaluate the hookup and device of vacuum circuit breaker performance |
| CN210297574U (en) * | 2019-08-21 | 2020-04-10 | 苏州艾克威尔科技有限公司 | High-voltage soft starter for motor |
Non-Patent Citations (1)
| Title |
|---|
| 熊泰昌: "真空开关电器 （第二版）", 北京：中国水利水电出版社, pages: 109 - 112 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191018 |