CN208836030U - A kind of high-power low pressure solid-state soft starter - Google Patents
A kind of high-power low pressure solid-state soft starter Download PDFInfo
- Publication number
- CN208836030U CN208836030U CN201821661373.3U CN201821661373U CN208836030U CN 208836030 U CN208836030 U CN 208836030U CN 201821661373 U CN201821661373 U CN 201821661373U CN 208836030 U CN208836030 U CN 208836030U
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- China
- Prior art keywords
- line
- soft
- phase
- phase electricity
- breaker
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Abstract
The utility model relates to a kind of high-power low pressure solid-state soft starters, including three-phase electricity L1 line, three-phase electricity L2 line, three-phase electricity L3 line, soft activator, motor, single-phase electric connection line, breaker, the three-phase electricity L1 line, three-phase electricity L2 line, three-phase electricity L3 line is set side by side, the breaker is located on the single-phase electric connection line of each of three-phase electricity, and there are three breakers, the soft activator is connected to after breaker by single-phase electric connection line, the motor is connected to after soft activator by single-phase electric connection line, the utility model may be implemented to be built in D.C. contactor in soft starter shell, user is used without outer match, realize the miniaturization of high-power soft starter, it is not required to additional conducting copper, it does not need outer with contactor drive circuit, save material and personnel's assembly costs, all part sets In Cheng Yi shell, the modularization of high-power soft starter is realized, uses D.C. contactor, so that maintenance and replacement are more convenient, is preferably promoted the use of.
Description
Technical field
The utility model relates to electric control appliance field more particularly to a kind of soft activators.
Background technique
Low pressure solid-state soft starter is a kind of to integrate soft start, soft stop and the motor control of multifunction protection is set
It is standby, realize starting motor smooth without impact in entire start-up course, and can adjust according to the characteristic of motor load
The various parameters in start-up course are saved, such as cut-off current, starting time are actually answering traditional high-power soft starter
It is needed with middle according to the high current A.C. contactor for matching corresponding electric current outside power of motor size.For this application mode, big function
The volume of rate soft starter and high current contactor is all bigger, and the copper bar for needing to carry high current between the two carries out three
It is connected, therefore bulky, copper bar production trouble, the control of soft starter and contactor needs professional technician's wiring,
The investment of material and personnel are also bigger.
Utility model content
The purpose of this utility model is to provide a kind of high-power low pressure solid-state soft starters, are asked with solving above-mentioned technology
Topic, the utility model uses following technical scheme to achieve the above object:
A kind of high-power low pressure solid-state soft starter, including three-phase electricity L1 line, three-phase electricity L2 line, three-phase electricity L3 line, soft open
Dynamic device, motor, single-phase electric connection line, breaker, the three-phase electricity L1 line, three-phase electricity L2 line, three-phase electricity L3 line are set side by side,
The breaker is located on the single-phase electric connection line of each of three-phase electricity, and there are three breakers, and the soft activator passes through single-phase
Electric connection line is connected to after breaker, and the motor is connected to after soft activator by single-phase electric connection line.
On that basis of the above technical scheme, the soft activator is made of silicon controlled component, single-stage contactor, Group of Silicon Controlled Rectifier
The front end of single-stage contactor is arranged in part, and there are three the soft activators, and is located at after each breaker.
On that basis of the above technical scheme, the single-stage contactor is D.C. contactor.
On that basis of the above technical scheme, the silicon controlled component is by silicon-controlled, current transformer, power transformer group
At, current transformer setting in power transformer bottom side, it is described it is silicon-controlled be arranged in power transformer top side, and it is controllable
Silicon, current transformer, power transformer are connected with each other.
Compared with prior art, the utility model has the advantage that the utility model may be implemented D.C. contactor
It is built in soft starter shell, user is used without to be matched outside, is realized the miniaturization of high-power soft starter, is not required to additional
Conducting copper does not need to save material and personnel's assembly costs, all components are integrated in outside one with contactor drive circuit outside
In shell, the modularization of high-power soft starter is realized, uses D.C. contactor, so that maintenance and replacement are more convenient, is preferably pushed away
It is wide to use.
Detailed description of the invention
Fig. 1 is the utility model soft activator schematic diagram.
Fig. 2 is the utility model application example schematic diagram.
In figure: 1, three-phase electricity L1 line, 2, three-phase electricity L2 line, 3, three-phase electricity L3 line, 4, breaker, 5, single-phase electric connection line,
6, soft activator, 7, motor, 8, single-stage contactor, 9, silicon controlled component, 10, silicon-controlled, 11, power transformer, 12, electricity
Current transformer.
Specific embodiment
The utility model is further elaborated in the following with reference to the drawings and specific embodiments.
A kind of high-power low pressure solid-state soft starter, including three-phase electricity L1 line 1, three-phase electricity L2 line 2, three-phase electricity L3 line 3,
Soft activator 6, motor 7, single-phase electric connection line 5, breaker 4, the three-phase electricity L1 line 1, three-phase electricity L2 line 2, three-phase electricity L3
Line 3 is set side by side, and the breaker 4 is located on the single-phase electric connection line 5 of each of three-phase electricity, and there are three breakers 4, described
Soft activator 6 is connected to after breaker 4 by single-phase electric connection line 5, and the motor 7 is connected by single-phase electric connection line 5
After soft activator 6.
The soft activator 6 is made of silicon controlled component 9, single-stage contactor 8, and the setting of silicon controlled component 9 is contacted in single-stage
The front end of device 8, there are three the soft activators 6, and is located at after each breaker.
The single-stage contactor 8 is D.C. contactor.
The silicon controlled component 9 is made of silicon-controlled 10, current transformer 12, power transformer 11, the Current Mutual Inductance
The setting of device 12 is arranged in 11 bottom side of power transformer, described silicon-controlled 10 in 11 top side of power transformer, and silicon-controlled 10, electricity
Current transformer 12, power transformer 11 are connected with each other.
Utility model works principle: every phase is in parallel using single-stage D.C. contactor and antiparallel silicon controlled component, and three
It is integrated in same shell, realizes the built in bypass contactor function of soft starter.Soft starter drives motor starting process
In, load current is by soft function of silicon-controlled realization, after the completion of starting, controls the direct contactor closure of every phase, realizes other
Road function.
The above is the utility model preferred embodiment, for the ordinary skill in the art, according to this reality
With novel introduction, in the case where not departing from the principles of the present invention and spirit, the change that is carried out to embodiment is repaired
Change, replacement and variant is still fallen within the protection scope of the utility model.
Claims (4)
1. a kind of high-power low pressure solid-state soft starter, which is characterized in that including three-phase electricity L1 line (1), three-phase electricity L2 line (2),
Three-phase electricity L3 line (3), soft activator (6), motor (7), single-phase electric connection line (5), breaker (4), the three-phase electricity L1 line
(1), three-phase electricity L2 line (2), three-phase electricity L3 line (3) are set side by side, and the breaker (4) is located at that each of three-phase electricity is single-phase to be electrically connected
In wiring (5), and there are three breakers (4), the soft activator (6) is connected to breaker (4) by single-phase electric connection line (5)
Later, the motor (7) is connected to after soft activator (6) by single-phase electric connection line (5).
2. a kind of high-power low pressure solid-state soft starter according to claim 1, which is characterized in that the soft activator
(6) it being made of silicon controlled component (9), single-stage contactor (8), silicon controlled component (9) is arranged in the front end of single-stage contactor (8),
There are three the soft activators (6), and is located at after each breaker (4).
3. a kind of high-power low pressure solid-state soft starter according to claim 2, which is characterized in that the single-stage contactor
It (8) is D.C. contactor.
4. a kind of high-power low pressure solid-state soft starter according to claim 2, which is characterized in that the silicon controlled component
(9) it is made of silicon-controlled (10), current transformer (12), power transformer (11), the current transformer (12) is arranged in electricity
Source transformer (11) bottom side, described silicon-controlled (10) are arranged in power transformer (11) top side, and silicon-controlled (10), Current Mutual Inductance
Device (12), power transformer (11) are connected with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821661373.3U CN208836030U (en) | 2018-10-15 | 2018-10-15 | A kind of high-power low pressure solid-state soft starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821661373.3U CN208836030U (en) | 2018-10-15 | 2018-10-15 | A kind of high-power low pressure solid-state soft starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208836030U true CN208836030U (en) | 2019-05-07 |
Family
ID=66317433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821661373.3U Expired - Fee Related CN208836030U (en) | 2018-10-15 | 2018-10-15 | A kind of high-power low pressure solid-state soft starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208836030U (en) |
-
2018
- 2018-10-15 CN CN201821661373.3U patent/CN208836030U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190507 Termination date: 20211015 |