CN207068757U - Contactor - Google Patents
Contactor Download PDFInfo
- Publication number
- CN207068757U CN207068757U CN201721048711.1U CN201721048711U CN207068757U CN 207068757 U CN207068757 U CN 207068757U CN 201721048711 U CN201721048711 U CN 201721048711U CN 207068757 U CN207068757 U CN 207068757U
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- CN
- China
- Prior art keywords
- winding
- contactor
- hold
- pull
- power supply
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- 238000004804 winding Methods 0.000 claims abstract description 63
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Keying Circuit Devices (AREA)
Abstract
Contactor is the utility model is related to, it includes a main contact (10)；One normally closed auxiliary contact (11)；A pair of winding coil (12), it includes：One pull-in winding (121), and a hold-in winding (122)；One current-limiting resistance (13)；With one first power supply terminal (141) and a second source terminal (142), the pull-in winding (121) and normally closed auxiliary contact (11) of series connection are parallel between first power supply terminal (141) and the second source terminal (142) with the hold-in winding (122) and current-limiting resistance (13) connected；When first power supply terminal (141) and the second source terminal (142) are powered, to drive the main contact (10) to act and cause the normally closed auxiliary contact (11) to disconnect, hold-in winding (122) work afterwards causes the state after main contact (10) the holding action for pull-in winding (121) work.
Description
Technical field
Contactor technical field is the utility model is related to, more particularly to adhesive and the contact for keeping double winding coil
Device.
Background technology
Contactor refers to flow through current induced magnetic field using coil, makes contact closure, the electrical equipment loaded is controlled to reach.Connect
Tentaculum is mainly used in electric power, distribution and electricity consumption occasion.The operation principle of contactor is：After contactor coil is powered, coil
Electric current can produce magnetic field, and caused magnetic field makes static iron core produce electromagnetic attraction attraction dynamic iron core, and drives touching for A.C. contactor
Point action, normally-closed contact disconnect, normally opened contact closure, and both are linkages.When the coil is de-energized, electromagnetic attraction disappears, armature
Discharged in the presence of release spring, restore contact, normally opened contact disconnects, normally-closed contact closure.Contactor is divided into exchange and connect
Tentaculum (voltage AC) and D.C. contactor (voltage DC).The A.C. contactor of DC control system is due to its reliability control system
The presence of the characteristic such as high, noiseless, increasingly become the A.C. contactor species of people first.But with the liter year by year of its dosage
Height, annual energy resource consumption increasingly become emphasis of concern, and the research and development for optimizing its power-saving technology are one important
Problem.
At present, the A.C. contactor generally use for DC control system is permanent magnet power-saving technology, its by list around
Group coil, permanent magnet, yoke, reaction spring composition.During single winding coil energization work, magnetic field caused by permanent magnet passes through yoke
Also magnetic circuit can be formed, enhance adhesive, the retention performance of contactor, so as to reduce coil adhesive, keep when consumed
Electric current, reach the purpose of energy-conservation.The separation operating current of existing contactor is consistent with electric current is kept.
Utility model content
One of the purpose of this utility model is to provide contactor, its keep work when hold-in winding in electric current it is very small,
Reduce the consumption to electric energy.
One side of the present utility model provides contactor, including a main contact, contactor also include：
One normally closed auxiliary contact, it links with main contact；
A pair of winding coil, it includes：
One pull-in winding, it connects to form a tie point with normally closed auxiliary contact, and
One hold-in winding；
One current-limiting resistance, it connects to form one second branch road with hold-in winding；With
One first power supply terminal and a second source terminal, tie point and the second branch circuit parallel connection in the first power supply terminal and
Between second source terminal；
Wherein, the first power supply terminal and second source terminal electrical connection external power source both ends when, pull-in winding work with
Driving main contact acts and normally closed auxiliary contact is disconnected, and hold-in winding work afterwards causes the shape after main contact holding action
State.Operating current of the contactor in adhesive is different from holding electric current during holding, and the latter is much smaller than the former.Therefore contactor is protected
When holding work, the electric current in hold-in winding is very small, reduces the consumption to electric energy, further saves electric energy, has reached super
The purpose of level energy-conservation.
In a kind of schematical embodiment of contactor, pull-in winding and hold-in winding are coaxial, and pull-in winding ring
Around hold-in winding, or hold-in winding is around pull-in winding.So coil arrangement is close, also allows for the preparation of double winding coil.
In the schematical embodiment of another kind of contactor, contactor also includes an electronic module, and it includes：
One pcb board, current-limiting resistance are arranged on pcb board；With
One housing, current-limiting resistance and pcb board are arranged in housing.Current-limiting resistance is arranged at pcb board, and it is integrated to be advantageous to raising
Degree, is easy to wiring.The two is encapsulated using housing, is advantageous to water proof and dust proof, and be easily installed.
In another schematical embodiment of contactor, contactor also includes a piezo-resistance, and it is electrically connected to
Between first power supply terminal and second source terminal.The piezo-resistance 16 serves the effect of overcurrent protection.
In another schematical embodiment of contactor, contactor also includes an at least permanent magnet, and it is arranged at
The outside of double winding coil.
In another schematical embodiment of contactor, contactor also includes an at least yoke, and it is arranged at forever
The outside of magnet.
In another schematical embodiment of contactor, contactor is A.C. contactor, and external power source is direct current
Power supply.
Brief description of the drawings
Hereafter by a manner of clearly understandable by description of a preferred embodiment and with reference to accompanying drawing come to the utility model
Above-mentioned characteristic, technical characteristic, advantage and its implementation are further described, wherein：
Fig. 1 is the dimensional structure diagram for the contactor that one embodiment of the present utility model provides；
Fig. 2 is the electrical block diagram of contactor shown in Fig. 1；
Fig. 3 is the structural representation of double winding coil in contactor shown in Fig. 1.
Label declaration：
10 main contacts
11 normally closed auxiliary contacts
12 double winding coils
121 pull-in windings
122 hold-in windings
13 current-limiting resistances
141 first power supply terminals
142 second source terminals
15 electronic modules
151PCB plates
152 housings
16 piezo-resistances
17 permanent magnets
18 yokes
I1 tie points
The branch roads of I2 second
Embodiment
In order to which the technical characteristic of utility model, purpose and effect are more clearly understood, now control illustrates this
The embodiment of utility model, in the various figures identical label represent identical part.
The various embodiments discussed below respectively schemed and be used to describe the principle of the disclosure in the patent file
Only it should not be construed as limiting by way of illustration and anyway the scope of the present disclosure.Those skilled in the art will manage
Solution, the principle of the disclosure can be implemented in any equipment suitably arranged.Exemplary non-limiting embodiments will be referred to describe
The various innovative teachings of the application.
Herein, " schematic " expression " serving as example, example or explanation ", will should not be described herein as " showing
Any diagram, the embodiment of meaning property " are construed to a kind of preferred or more advantageous technical scheme.
To make simplified form, the part related to the utility model is only schematically show in each figure, they are not
Represent its practical structures as product.In addition, so that simplified form readily appreciates, there is identical structure or work(in some figures
The part of energy, schematically show only one of those, or only marked one of those.
Fig. 1 is the dimensional structure diagram for the contactor that one embodiment of the present utility model provides.Fig. 2 is shown in Fig. 1
The electrical block diagram of contactor.Fig. 3 is the structural representation of double winding coil in contactor shown in Fig. 1.Can with reference to Fig. 1-3
To find out, the contactor, including a main contact 10, and also include：
One normally closed auxiliary contact 11, it links with main contact 10；
A pair of winding coil 12, it includes：
One pull-in winding 121, it connects with normally closed auxiliary contact 11 forms a tie point I1, and
One hold-in winding 122；
One current-limiting resistance 13, it connects with hold-in winding 122 forms one second branch road I2；With
One first power supply terminal 141 and a second source terminal 142, tie point I1 and the second branch road I2 are parallel to first
Between power supply terminal 141 and second source terminal 142；
Wherein, the first power supply terminal 141 and second source terminal 142 electrically connect external power source and (are not drawn into figure, generally
24V dc sources) both ends when, pull-in winding 121 works to drive main contact 10 to act and make it that normally closed auxiliary contact 11 is disconnected
Open, the work of hold-in winding 122 afterwards causes the state after the holding of main contact 10 action.
Specifically, after the first power supply terminal 141 and second source terminal 142 electrically connect the both ends of external power source, connect
The action of tentaculum is divided into two stages.
First stage, i.e. adhesive stage, tie point I1 and the second branch road I2 are both turned on, pull-in winding 121 and holding line
Circle 122 is powered.Because current-limiting resistance 13 is a big resistance so that tie point I1 all-in resistance is more total than the second branch road I2's
Much more resistive, most current pass through the second branch road I2, referred to as operating current.Now, pull-in winding 121 works, with
Driving main contact 10 acts.Even main contact 10 is normally closed interlock, then the action is that main contact 10 disconnects；If main contact 10 is normal
Open contact, then the action is that main contact 10 closes.After main contact 10 is with the suction motion certain distance of pull-in winding 121, often
Close auxiliary contact 11 also to act under the driving of pull-in winding 121, that is, disconnect.Now, the second branch road I2 disconnects, and electric current is by the
One branch road I1.
Second stage, that is, keep the stage, when the second branch road I2 disconnects, the electric current for flowing through tie point I1 is holding electric current.
In the presence of the holding electric current, hold-in winding 122 drive the main contact 10 continue to move and be maintained at action after state.
It follows that operating current of the contactor in adhesive is different from holding electric current during holding, before the latter is much smaller than
Person.Therefore when contactor keeps work, the electric current in hold-in winding is very small, reduces the consumption to electric energy, further saves
Electric energy, has reached the purpose of energy-saving.
In a schematical embodiment, as shown in figure 3, pull-in winding 121 and hold-in winding 122 are coaxial, and inhale
Zygonema circle 121 is around hold-in winding 122, or hold-in winding 122 is around pull-in winding 121.So coil arrangement is close, also just
In the preparation of double winding coil.
In a schematical embodiment, contactor also includes an electronic module 15, and it includes：
One pcb board 151, current-limiting resistance 13 are arranged on pcb board 151；With
One housing 152, current-limiting resistance 13 and pcb board 151 are arranged in housing 152.Housing 152 schematically uses plastics
Material.Current-limiting resistance 13 is arranged at pcb board 151, is advantageous to improve integrated level, is easy to wiring.The two is encapsulated using housing
Come, be advantageous to water proof and dust proof, and be easily installed.
In a schematical embodiment, contactor also includes a piezo-resistance 16, and it is electrically connected to the first power supply
Between terminal 141 and second source terminal 142.The piezo-resistance 16 serves the effect of overcurrent protection.
In a schematical embodiment, contactor also includes an at least permanent magnet 17, and it is arranged at double winding line
The outside of circle 12.
In a schematical embodiment, contactor also includes an at least yoke 18, and it is arranged at permanent magnet 17
Outside.Magnetic field can also form magnetic circuit by yoke 18 caused by permanent magnet 17, enhance adhesive, the retention performance of contactor, from
And the electric current that double winding coil is consumed in adhesive, holding is reduced, reach the purpose of energy-conservation.
In a schematical embodiment, contactor is A.C. contactor, and external power source is dc source.
It should be appreciated that although this specification is described according to each embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, only for clarity, those skilled in the art should incite somebody to action this narrating mode of specification
For specification as an entirety, the technical scheme in each embodiment may also be suitably combined to form those skilled in the art
It is appreciated that other embodiment.
The a series of detailed description of those listed above is only for the specific of possible embodiments of the present utility model
Illustrate, they simultaneously be not used to limit the scope of protection of the utility model, it is all without departing from the utility model skill spirit made etc.
Effect embodiment or change should be included within the scope of protection of the utility model.
Claims (7)
1. contactor, including a main contact (10), it is characterised in that the contactor also includes：
One normally closed auxiliary contact (11), it links with the main contact (10)；
A pair of winding coil (12), it includes：
One pull-in winding (121), it connects with the normally closed auxiliary contact (11) forms a tie point (I1), and
One hold-in winding (122)；
One current-limiting resistance (13), it connects with the hold-in winding (122) forms one second branch road (I2)；With
One first power supply terminal (141) and a second source terminal (142), the tie point (I1) and second branch road
(I2) it is parallel between first power supply terminal (141) and the second source terminal (142)；
Wherein, during the both ends of first power supply terminal (141) and the second source terminal (142) electrical connection external power source,
The pull-in winding (121) works to drive the main contact (10) to act and cause the normally closed auxiliary contact (11) to disconnect,
Hold-in winding (122) work causes the state after main contact (10) the holding action afterwards.
2. contactor according to claim 1, it is characterised in that the pull-in winding (121) and the hold-in winding
(122) coaxially, and the pull-in winding (121) is surround around the hold-in winding (122), or the hold-in winding (122)
The pull-in winding (121).
3. contactor according to claim 1, it is characterised in that the contactor also includes an electronic module (15), its
Including：One pcb board (151), the current-limiting resistance (13) are arranged on the pcb board (151)；With
One housing (152), the current-limiting resistance (13) and the pcb board (151) are arranged in the housing (152).
4. contactor according to claim 1, it is characterised in that the contactor also includes a piezo-resistance (16), its
It is electrically connected between first power supply terminal (141) and the second source terminal (142).
5. contactor according to claim 1, it is characterised in that the contactor also includes an at least permanent magnet (17),
It is arranged at the outside of the double winding coil (12).
6. contactor according to claim 5, it is characterised in that the contactor also includes an at least yoke (18), its
It is arranged at the outside of the permanent magnet (17).
7. contactor according to claim 1, it is characterised in that the contactor is A.C. contactor, the external electrical
Source is dc source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721048711.1U CN207068757U (en) | 2017-08-21 | 2017-08-21 | Contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721048711.1U CN207068757U (en) | 2017-08-21 | 2017-08-21 | Contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207068757U true CN207068757U (en) | 2018-03-02 |
Family
ID=61516392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721048711.1U Active CN207068757U (en) | 2017-08-21 | 2017-08-21 | Contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207068757U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108666175A (en) * | 2018-06-15 | 2018-10-16 | 贵州振华群英电器有限公司（国营第八九厂） | A kind of contactor of double magnetic circuit system |
-
2017
- 2017-08-21 CN CN201721048711.1U patent/CN207068757U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108666175A (en) * | 2018-06-15 | 2018-10-16 | 贵州振华群英电器有限公司（国营第八九厂） | A kind of contactor of double magnetic circuit system |
| CN108666175B (en) * | 2018-06-15 | 2019-05-24 | 贵州振华群英电器有限公司（国营第八九一厂） | A kind of contactor of double magnetic circuit system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |