CN206401897U - A kind of low pressure pressure regulator is switched fast switch - Google Patents
A kind of low pressure pressure regulator is switched fast switch Download PDFInfo
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- CN206401897U CN206401897U CN201720087500.2U CN201720087500U CN206401897U CN 206401897 U CN206401897 U CN 206401897U CN 201720087500 U CN201720087500 U CN 201720087500U CN 206401897 U CN206401897 U CN 206401897U
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- switch
- switched fast
- controller
- magnetic latching
- latching relay
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Abstract
The utility model is related to a kind of low-voltage improvement and is switched fast switch.A kind of low pressure pressure regulator is switched fast switch, including controller, display, magnetic latching relay, the load current signal of signal gathering unit collection supply line and input, output voltage signal access controller, controller sends control signal connection magnetic latching relay, the low-voltage administers to be switched fast to switch connects transformer by tap-changing windings, the pressure regulation of supply line is realized by changing the number of turn of tap-changing windings, simultaneously transition resistance is provided with magnetic latching relay linkage, controller is when magnetic latching relay switches, acted on by controlling the input of transition resistance to play afterflow.The utility model quick in the case where transformer belt is loaded can tap connection, and by changing, the no-load voltage ratio of transformer maintains transformer output voltage constant and compensation loads change.No-flashy-flow, no-spark, switch speed are fast when switching gear, adaptable, and reliability is high, easy to use.
Description
Technical field
The utility model is related to a kind of switching switch, is administered more particularly, to a kind of low-voltage and is switched fast switch, is applicable
In AC110-480V, 50/60HZ low-voltage adjusting means.
Background technology
Some are manual to traditional switching switch, disconnecting consumers are needed during conversion, safety coefficient is low, do not possess protection work(
Can, easily there are shoving the failures such as overload or short circuit and damage.Some, which automatically switch switch, is additional motor to operate, and is needed
To match somebody with somebody safeties and safety mutually-locking device, it is slow in one's movements, easily occur shoving or phenomenon of arc discharge in handoff procedure, not only may be used
It is poor by property, and initiation accident is also easy in some occasions, the phenomenon such as heavy load is unreliable.The more satisfactory solution of above mentioned problem
Scheme is using controlled switching switch.
But, synchro switch on the market is all the capacitive loads such as switched capacitor, switching transformer mostly at present
Synchro switch Deng inductive load is rarely found, even if it is also poor reliability to have, use occasion is limited serious.Because preferable
Synchro switch needed in switching inductive load voltage peak value input, electric current zero point cut off.But actual power network
The waveform of middle voltage and current is not highly desirable, for inductive load, its voltage harmonic very abundant, especially in switching
During, the change of load can make voltage jump, and the voltage of power network may no longer be sine wave, and the judgement of voltage-phase will
It can become very difficult, also, because load switching is uncertain, its power factor is also random, then power network current
The anticipation of phase will be impossible.Therefore existing product is in use and unsatisfactory, and it innovates and improved gesture must
OK.
The content of the invention
The utility model is switched fast switch in view of the shortcomings of the prior art, proposing a kind of low pressure pressure regulator, switches gear
When no-flashy-flow, no-spark, switch speed it is fast, it is easy to use.
The technical scheme that the utility model is used：
A kind of low pressure pressure regulator is switched fast switch, including controller（1）, display（2）, magnetic latching relay（3）, letter
Number collecting unit gathers load current signal, input voltage signal and the output voltage signal access controller of supply line
（1）And pass through display（2）It has been shown that, controller（1）Switching switch command signal is sent to protect by driving built-up circuit to connect magnetic
Hold relay（3）, the magnetic latching relay is connected with tap-changing windings, and low pressure pressure regulator is switched fast switch and adjusted by described
Pressure winding is connected on transformer, and transition resistance is provided with magnetic latching relay linkage（4）, controller（1）Pass through control
The number of turn that magnetic latching relay changes tap-changing windings realizes the pressure regulation of supply line, while when magnetic latching relay switches, leading to
The input for crossing transition resistance plays afterflow effect.
Described low pressure pressure regulator is switched fast switch, provided with by-pass switch（5）, the by-pass switch and the low-pressure adjusting
Depressor is switched fast switch in parallel and is connected in supply line, and by-pass switch uses Control, the controlled company of relay
It is connected to the controller（1）, when circuit overload, supply line is directly connected using by-pass switch, from the supply line
Excision low pressure pressure regulator is switched fast switch.
Described low pressure pressure regulator is switched fast switch, and relay status detection is connected with the magnetic latching relay
Device, the relay status detection means output signal access controller.
The beneficial effects of the utility model：
1st, the utility model low pressure pressure regulator is switched fast switch, quick tap can connect in the case where transformer belt is loaded
Connect.Major function is quickly responded after receiving the instruction of controller, by load tap changer changing-over in target location, is changed
The no-load voltage ratio for becoming transformer maintains transformer output voltage constant and compensation load change.Switching gear when no-flashy-flow, no-spark, cut
Throw-over degree is fast, good with performance, adaptable, and reliability is high, the advantages of easy to use.
2nd, the utility model low pressure pressure regulator is switched fast switch, by man-machine interface, switch controller, protection circuit, magnetic
Guard relay, transition resistance composition.By detecting the real-time detection switch state of circuit, occur in switch on-off, vibration, failure
When make corresponding processing, can prevent serious accident from occurring, improve security.Energy-conserving and environment-protective, cost is low.
3rd, the utility model low pressure pressure regulator is switched fast switch, employs afterflow technology to solve during inductive load excision
Spark problems.Because the phase of power network current changes at random, therefore predicted current zero crossing is impossible.This programme
The key of the technology is to provide one and the direction of the winding current identical current loop when coil is cut off, and in the loop
Consume the energy remained in coil.By selecting, this programme employs transition resistance serving as afterflow and consuming energy for task.
Brief description of the drawings
Fig. 1 is the block diagram that the utility model low pressure pressure regulator is switched fast switch；
Fig. 2 is the fundamental diagram that the utility model low pressure pressure regulator is switched fast switch；
Fig. 3 is that the utility model low pressure pressure regulator is switched fast switch according to the next switching point of existing harmonic data prediction
Phase diagram.
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
Embodiment
Referring to Fig. 1, Fig. 2, low pressure pressure regulator of the present utility model is switched fast switch, including controller 1, display 2, magnetic
Guard relay 3, load current signal, input voltage signal and the output voltage letter of signal gathering unit collection supply line
Number access controller 1 simultaneously shows that controller 1 sends switching switch command signal by driving built-up circuit to connect by display 2
Magnetic latching relay 3 is connect, the magnetic latching relay connects tap-changing windings, and low pressure pressure regulator is switched fast switch and passes through pressure regulation
Winding is connected on transformer, and being connected with the magnetic latching relay has transition resistance 4, and the control connection magnetic of controller 1 is protected
Relay is held, the pressure regulation of supply line is realized by changing the number of turn of tap-changing windings, while when magnetic latching relay switches, leading to
Cross transition resistance and play afterflow effect, to ensure in switching no-flashy-flow, without powering-off state, maintain transformer output voltage constant
With compensation load change.
Described low pressure pressure regulator is switched fast switch, is parallel-connected to during access with by-pass switch 5 in supply line, other
Way switch uses Control, and the relay controlled connection, when circuit overload, utilizes by-pass switch in the controller
Supply line is directly connected, low pressure pressure regulator is cut off from the supply line and is switched fast switch, protection equipment will not be damaged.
Relay status detection means is connected with the magnetic latching relay, the relay status detection means is defeated
Go out signal access controller.Whether performed with monitor controller instruction.
The utility model low pressure pressure regulator be switched fast switch major function be tap selection, especially by change pressure regulation around
Group（Tap winding）The number of turn realized.Operation principle is；Controller 1 shows information by data acquisition on a display 2
Show, be easy to check current information.Controller 1 sends switching switch command by signal acquisition, and magnetic latching relay 3 is quickly cut
Change, during switching, transition resistance 4 play afterflow effect ensure switching when no-flashy-flow, without powering-off state.When circuit overload, profit
Used in the line with bypass relay string, protection equipment will not be damaged.
The utility model low pressure pressure regulator is switched fast switch, and occasion produced problem is administered for low-voltage, can become
Quick tap connection in the case of depressor is load-carrying.The problem of in order to solve transformer coil voltage waveform distortion, original is abandoned
Some Sinusoid Analysis technologies, employ frequency analysis/waveform reduction technique, and the technology can contain according to the harmonic wave of real-time voltage
Type is measured and how many, in real time the phase point of analysis network wave, when predicting the appearance of next switching point according to existing harmonic data
Between.Its principle is as shown in Figure 1.The program is adapted to the high occasion of voltage harmonic comparision contents, is not limited by mains frequency.
By using self study technology in the controller, the time that can be occurred according to voltage transient during each pressure regulation, automatic seeking
The optimal switching time is looked for, voltage regulation coil is put into correct position, voltage regulation coil voltage wink during pressure regulation can be solved
The problem of change.
Claims (3)
1. a kind of low pressure pressure regulator is switched fast switch, including controller（1）, display（2）, magnetic latching relay（3）, signal
Collecting unit gathers load current signal, input voltage signal and the output voltage signal access controller of supply line（1）
And pass through display（2）It has been shown that, controller（1）Send switching switch command signal by drive built-up circuit connect magnetic keep after
Electrical equipment（3）, it is characterised in that：The magnetic latching relay is connected with tap-changing windings, and low pressure pressure regulator is switched fast switch and passed through
The tap-changing windings are connected on transformer, and transition resistance is provided with magnetic latching relay linkage（4）, controller（1）It is logical
The number of turn for crossing control magnetic latching relay change tap-changing windings realizes the pressure regulation of supply line, while in magnetic latching relay switching
When, afterflow is played by the input of transition resistance and acted on.
2. low pressure pressure regulator according to claim 1 is switched fast switch, it is characterised in that：Provided with by-pass switch（5）, institute
State by-pass switch and the low pressure pressure regulator is switched fast switch in parallel and is connected in supply line, by-pass switch uses relay
Control, the relay controlled connection is in the controller（1）, when circuit overload, power supply is directly connected using by-pass switch
Circuit, excision low pressure pressure regulator is switched fast switch from the supply line.
3. low pressure pressure regulator according to claim 1 or 2 is switched fast switch, it is characterised in that：With the magnetic keep after
Electrical equipment is connected with relay status detection means, the relay status detection means output signal access controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720087500.2U CN206401897U (en) | 2017-01-23 | 2017-01-23 | A kind of low pressure pressure regulator is switched fast switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720087500.2U CN206401897U (en) | 2017-01-23 | 2017-01-23 | A kind of low pressure pressure regulator is switched fast switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206401897U true CN206401897U (en) | 2017-08-11 |
Family
ID=59515738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720087500.2U Active CN206401897U (en) | 2017-01-23 | 2017-01-23 | A kind of low pressure pressure regulator is switched fast switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206401897U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117411010A (en) * | 2023-12-15 | 2024-01-16 | 广东欧姆龙电力工程有限公司 | Three-phase transformer control method |
-
2017
- 2017-01-23 CN CN201720087500.2U patent/CN206401897U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117411010A (en) * | 2023-12-15 | 2024-01-16 | 广东欧姆龙电力工程有限公司 | Three-phase transformer control method |
| CN117411010B (en) * | 2023-12-15 | 2024-03-15 | 广东欧姆龙电力工程有限公司 | Three-phase transformer control method |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 453000 Torch Garden V (A-F) (5-7) No. 1789 Xinfei Avenue, Xinxiang City, Henan Province Patentee after: Zhongbao Electric Co., Ltd. Address before: 453000 Torch Garden V (A-F) (5-7) No. 1789 Xinfei Avenue, Xinxiang City, Henan Province Patentee before: Xinxiang Strong Power Electric Co., Ltd. |