CN209487408U - The variable contactor of coil voltage - Google Patents
The variable contactor of coil voltage Download PDFInfo
- Publication number
- CN209487408U CN209487408U CN201920012816.4U CN201920012816U CN209487408U CN 209487408 U CN209487408 U CN 209487408U CN 201920012816 U CN201920012816 U CN 201920012816U CN 209487408 U CN209487408 U CN 209487408U
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- contactor
- coil
- voltage
- potential device
- input terminal
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Abstract
The contactor that can be changed the utility model relates to a kind of coil voltage includes contactor and potential device, the potential device is arranged on the contactor, the potential device includes input terminal conducting wire, voltage sensor, transformer, microprocessor and wire of output terminal, the input terminal conducting wire is connect with the input terminal of the transformer, several taps are set on the input terminal conducting wire, bidirectional triode thyristor is provided in each tap, the bidirectional triode thyristor is connect with the microprocessor.Use of the variable contactor of coil voltage provided by the utility model due to potential device, keep the supply voltage of contactor coil variable, to make the coil voltage of contactor maintain AC24V, reduce the risk of coil burnout, increase reliability, further, since the utility model uses the structure of contactor and potential device integral type, facilitate installation and maintenance.
Description
Technical field
The utility model belongs to power distribution equipment technical field, and in particular to a kind of contactor that coil voltage is variable.
Background technique
Contactor belongs to automatic switch control electrical equipment, it is suitble to be frequently switched on and disconnect alternating current-direct current main circuit and big
Volume controlled circuit.Its main control object is motor, can be used for other electrical loads, such as frequency converter, electric heater, electric welding
Mechanical, electrical container and illumination etc., are the maximum low-pressure electronic equipment products of the industry requirements such as modern industry, agricultural, petrochemical industry, metallurgy.
There are many kinds of specifications and models, coil voltages to be also not quite similar for contactor.The common voltage of commercial power is often not
It can be powered directly to contactor coil.When using contactor, generally require to carry out distribution, Er Qiesuo to contactor again
May be also not identical with supply voltage, inventory is increased in use, improves cost, and inconvenience is also produced to later maintenance.
Summary of the invention
To solve problems of the prior art, the utility model provides a kind of contactor that coil voltage is variable,
Including contactor and potential device, the potential device is arranged on the contactor, wherein the potential device includes input
Hold conducting wire, voltage sensor, transformer, microprocessor and wire of output terminal, the input terminal conducting wire defeated with the transformer
Enter end connection, several taps are set on the input terminal conducting wire, bidirectional triode thyristor is provided in each tap, it is described double
It is connect to silicon-controlled with the microprocessor.
Preferably, coil is set in the contactor, and the coil is led with the output end in the potential device
Line connection.
In any of the above-described scheme preferably, the voltage sensor is connect with the input terminal conducting wire.
In any of the above-described scheme preferably, the voltage sensor is connect with the microprocessor.
The utility model has the following beneficial effects: the contactor that coil voltage provided by the utility model can be changed is since transformation fills
The use set keeps the supply voltage of contactor coil variable, so that the coil voltage of contactor be made to maintain AC24V, reduces
The risk of coil burnout, increases reliability, further, since the utility model uses the knot of contactor and potential device integral type
Structure facilitates installation and maintenance.
Detailed description of the invention
Fig. 1 is the preferred embodiment schematic diagram according to the variable contactor of the coil voltage of the utility model；
Fig. 2 is the potential device structural representation according to the variable contactor Fig. 1 embodiment of the coil voltage of the utility model
Figure；
Fig. 3 is the potential device circuit theory according to the variable contactor Fig. 2 embodiment of the coil voltage of the utility model
Figure.
Explanation: 1- contactor is marked in figure；2- potential device；3- voltage sensor；4- microprocessor；5- is two-way controllable
Silicon；6- transformer；7- wire of output terminal；8- input terminal conducting wire.
Specific embodiment
In order to be further understood that the summary of the invention of the utility model, this reality is elaborated below in conjunction with specific embodiment
With novel.
As shown in Figure 1-Figure 3, the utility model provides a kind of contactor that coil voltage is variable, including 1 He of contactor
Potential device 2, the potential device 2 are arranged on the contactor, and the potential device 2 can be by way of insertion and institute
The connection of contactor 1 is stated, the potential device 2 can also be bolted on the contactor 1, and the potential device 2 includes
Input terminal conducting wire 8, voltage sensor 3, transformer 6, microprocessor 4 and wire of output terminal 7, the input terminal conducting wire 8 with it is described
The input terminal of transformer 6 connects, and several taps are arranged on the input terminal conducting wire 8, are provided in each tap two-way
Silicon-controlled 5, the bidirectional triode thyristor 5 is on the basis of common silicon-controlled made of development, it can not only replace two antipoles
Property it is in parallel silicon-controlled, and only need a trigger circuit, be more satisfactory alternating-current switch device, the bidirectional triode thyristor 5
It is connect with the microprocessor 4, coil, the output in the coil and the potential device 2 is set in the contactor 1
Conducting wire 7 is held to connect, the tap and the bidirectional triode thyristor 5 are disposed as three groups, the voltage sensor 3 and the input terminal
Conducting wire 8 connects, and the voltage sensor 3 is used for the voltage of detection input, the voltage sensor 3 and the microprocessor 4
Connection, the microprocessor 4 can receive the voltage for the input terminal that the voltage sensor 3 measures.
The voltage of 3 detection input of voltage sensor, by signal feedback into 4 microprocessor, micro- place
Reason device 4 handles the signal that the voltage sensor 3 transmits, so that the on-off of the double silicon control 4 is controlled, the transformer 6
Input terminal be equipped with three groups of taps, the bidirectional triode thyristor 5 is set in each tap, can be by different described two-way
Different voltage is converted to AC24V voltage by silicon-controlled 5, is powered to contactor coil, this three groups of taps respectively correspond
AC110V, AC220V and AC380V voltage are equipped with the bidirectional triode thyristor 5 in each tap, in addition, the tap can be with
Multiple groups are set as, cover the voltage within the scope of AC110V-AV380V, and say not by the corresponding bidirectional triode thyristor 5
Logical voltage is converted to AC24V voltage.
For the present embodiment in use, after power supply connection, the voltage sensor 3 detects input voltage, and passes the signal to
In the microprocessor 4,4 device of micro process is analyzed and processed the signal of input, judges the voltage swing of input, example
If voltage is AC110V, the microprocessor 4 then issues described two-way controllable in corresponding instruction control AC110V tap
The conducting of silicon 5, the transformer 6 are started to work, and the voltage of input is changed into AC24V voltage and passes through the wire of output terminal 7
To the coil power supply on the contactor 1, the coil of the contactor 1 is powered, and the static iron core and dynamic iron core in the coil are inhaled
It closes, the main contacts closure of contactor；Voltage is AC220V, and the microprocessor 4 then issues corresponding instruction control AC220V
The conducting of the bidirectional triode thyristor 5 in tap, the transformer 6 are started to work, and the voltage of input is changed into AC24V voltage
By the wire of output terminal 7 to the coil power supply on the contactor 1, the coil of the contactor 1 is powered, in the coil
Static iron core and dynamic iron core be attracted, the main contacts of contactor closure；Voltage is AC380V, and the microprocessor 4 then issues relatively
The conducting for the bidirectional triode thyristor 5 in instruction control AC380V tap answered, the transformer 6 is started to work, by input
Voltage is changed into AC24V voltage by the wire of output terminal 7 to the coil power supply on the contactor 1, the contactor 1
Coil is powered, and the static iron core and dynamic iron core in the coil are attracted, the main contacts closure of contactor.
The conventional contactor 1 when in use, needs different voltage to carry out distribution to coil, causes using not
Just, it is burnt since the higher the coil voltage of the contactor 1 the easier, the coil voltage the low more is not easy to burn, the utility model
After use, transformer provides AC24V power supply to coil power supply, and coil is not easy to burn, and increases contactor service life and can
By property.
There are many coil voltage specifications of the contactor of every kind of current specification, after contactor provided by the utility model
A kind of generally applicable coil, reduces stock group, reduces inventory, reduces production capital occupancy, also reduces management cost.
It is also more convenient when client's type selecting, damage caused by due to sending out misconnection tentaculum voltage specification is avoided in sales process
It loses.User using when avoid and burn coil because of wrong line.
Easy to maintenance, the contactor price for reducing spare part, especially high current specification is higher, has saved cost for client.
It will be apparent to those skilled in the art that the contactor that the coil voltage of the utility model can be changed includes above-mentioned practical
Any combination of each section shown by the summary of the invention and specific embodiment part and attached drawing of novel specification, is limited to a piece
Width simultaneously describes for each scheme for keeping specification concise without constituting these combinations one by one.It is all the utility model spirit and
Within principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of variable contactor of coil voltage, including contactor and potential device, the potential device setting connects described
On tentaculum, which is characterized in that the potential device includes input terminal conducting wire, voltage sensor, transformer, microprocessor and output
Conducting wire is held, the input terminal conducting wire is connect with the input terminal of the transformer, several taps is arranged on the input terminal conducting wire, often
Bidirectional triode thyristor is provided in a tap, the bidirectional triode thyristor is connect with the microprocessor.
2. the variable contactor of coil voltage according to claim 1, which is characterized in that line is arranged in the contactor
Circle, the coil are connect with the wire of output terminal in the potential device.
3. the variable contactor of coil voltage according to claim 1, which is characterized in that the voltage sensor with it is described
The connection of input terminal conducting wire.
4. the variable contactor of coil voltage according to claim 3, which is characterized in that the voltage sensor with it is described
Microprocessor connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920012816.4U CN209487408U (en) | 2019-01-04 | 2019-01-04 | The variable contactor of coil voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920012816.4U CN209487408U (en) | 2019-01-04 | 2019-01-04 | The variable contactor of coil voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209487408U true CN209487408U (en) | 2019-10-11 |
Family
ID=68130101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920012816.4U Active CN209487408U (en) | 2019-01-04 | 2019-01-04 | The variable contactor of coil voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209487408U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112992607A (en) * | 2021-04-20 | 2021-06-18 | 南京全宁电器有限公司 | Energy-saving intelligent relay based on Internet of things |
-
2019
- 2019-01-04 CN CN201920012816.4U patent/CN209487408U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112992607A (en) * | 2021-04-20 | 2021-06-18 | 南京全宁电器有限公司 | Energy-saving intelligent relay based on Internet of things |
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