CN205264594U - Quick single -phase bypass vacuum contactor - Google Patents
Quick single -phase bypass vacuum contactor Download PDFInfo
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- CN205264594U CN205264594U CN201520858594.XU CN201520858594U CN205264594U CN 205264594 U CN205264594 U CN 205264594U CN 201520858594 U CN201520858594 U CN 201520858594U CN 205264594 U CN205264594 U CN 205264594U
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Abstract
The utility model discloses a quick single -phase bypass vacuum contactor, comprising a housing, upper portion is provided with vacuum switch tube in the casing, the vacuum switch tube below is provided with the insulator, be equipped with the slotted hole in the insulator, move among the vacuum switch tube that the conducting rod is vertical to penetrate in the insulator slotted hole downwards, and move and be connected with the overtravel spring between conducting rod lower extreme and the downthehole bottom of groove of insulator, the insulator below is provided with the magnetism jar, magnetism jar lower extreme jar flap closes installs the bottom end cover, be equipped with the iron core in the magnetism jar, the clearance lower part is equipped with the permanent magnet between iron core and the magnetism jar, closing coils is established on upper portion, by the magnetism jar, the permanent magnet, closing coils, the iron core constitutes permanent magnetism driving mechanism, be equipped with the step through -hole in the iron core, insulator lower extreme center gangbar penetrates in the iron core step through -hole, the step of gangbar lower extreme and step through -hole is taken things and is connected with the combined floodgate spring within a definite time, it has the upper end cover to be close to lower extreme position fixed mounting in the gangbar, still install the separating brake turning arm in the gangbar.
Description
Technical field
The utility model relates to vacuum contactor field, specifically a kind of quick single-phase bypass vacuum contactor.
Background technology
In power system at present, high, in, what lv contactor and breaker used is all electromagnetic type divide-shut brake, the speed of electromagnetism divide-shut brake is mainly realized by the volume size of coil and magnet, because vacuum contact is to carry out arc extinguishing by vacuum tube, vacuum tube is made up of self-closing power and contact stage clip, the vacuum contactor that conventional electric power uses, in design, having contact stage clip and separating brake reaction spring is mentality of designing, so coil and the magnet volume ratio of design are larger, vacuum tube could be shifted onto to closing position, because being greater than self-closing power and the overtravel spring force of vacuum tube, the power promoting also has reaction spring power summation. the larger closing time of coil is just longer, and because electromagnet coil has the existence of inductance, the size of inductance concerns the speed of contact closing time.
The conventional contactor of domestic market can not meet the novel industries such as present photovoltaic solar, wind-power electricity generation, flexible direct current and frequency conversion. Because these novel generatings are carried out in the time being connected to the grid under not power-off. Or be exactly the original paper of grid-connected key wherein as by-pass switch contactor, so contactor closing time is required high, must be controlled at below 3ms, conventional contactor cannot be realized.
Utility model content
The purpose of this utility model is to provide a kind of quick single-phase bypass vacuum contactor, to solve the problem that on prior art market, conventional contactor is restricted in novel industry application.
In order to achieve the above object, the technical scheme that the utility model adopts is:
Quick single-phase bypass vacuum contactor, include housing, it is characterized in that: housing internal upper part is provided with vacuum switch tube, in housing, be positioned at vacuum switch tube below and be provided with insulator, in insulator, be provided with slotted eye, in described vacuum switch tube, moving conductive rod penetrates in insulator slotted eye straight down, and be connected with overtravel spring between moving conductive rod lower end and insulator slotted eye inner bottom part, in described housing, be positioned at insulator below and be provided with magnetic cylinder, on magnetic cylinder, lower end is made as respectively cylinder mouth, and magnetic cylinder lower end cylinder lid is closed the bottom end cover that NULL is made is installed, in magnetic cylinder, be coaxially provided with iron core, Yu Cigang upper end, iron core upper surface cylinder mouth flushes, gapped between iron core outer wall and the magnetic inside wall of cylinder, and between iron core and magnetic cylinder, bottom, gap is provided with the permanent magnet being enclosed within on iron core, between iron core and magnetic cylinder, top, gap is provided with the closing coil being enclosed within on iron core, by magnetic cylinder, permanent magnet, closing coil, iron core forms permanent mechanism driving mechanism, iron core top center is provided with upper coarse and lower fine step through hole in iron core, center, described insulator lower end is vertically connected with gangbar, described gangbar lower end penetrates in iron core step through hole, and be connected with switching-in spring between the step place of gangbar lower end and iron core step through hole, in described gangbar, be installed with and can cover the upper end cover of making at the permeability magnetic material of magnetic cylinder upper end cylinder mouth near lower end position, separating brake connecting lever is also installed in gangbar.
Described quick single-phase bypass vacuum contactor, is characterized in that: upper end cover, as armature, is made up for magnetic conduction of pure iron material, and bottom end cover is made up for fixing magnetic cylinder every magnetic of aluminum.
Described quick single-phase bypass vacuum contactor, it is characterized in that: divide-shut brake shares a permanent mechanism driving mechanism, when separating brake, manual actuation separating brake connecting lever drives gangbar to move downward, energy storage is carried out in the switching-in spring compression being contained in iron core, upper end cover and magnetic cylinder, iron core upper surface are pulled together completely, have kept manual brake separating by permanent magnet; When combined floodgate, closing coil is oppositely switched on and is produced reverse magnetic circuit, the confining force that overcomes permanent magnet makes upper end cover separate with magnetic cylinder, iron core upper surface and produces air gap, what moment was contained in switching-in spring in iron core and vacuum switch tube self-closingly tries hard to recommend moving upper end cover and moves to vacuum switch tube direction, make upper end cover and the upper surface of magnetic cylinder, iron core separate electric switch-on completely, and keep by switching-in spring.
Described quick single-phase bypass vacuum contactor, is characterized in that: described permanent mechanism driving mechanism adopts to clap and closes Direct Action Type, and the iron core of upper end cover weight ratio routine is light, can realize rapid movement.
Described quick single-phase bypass vacuum contactor, it is characterized in that: motion principle adopts reverse thinking, close a floodgate and keep adopting the self-closing power of vacuum switch tube and overtravel spring to keep, separating brake keeps utilizing upper end cover and magnetic cylinder, iron core end face to be pulled together and to keep by permanent magnet.
The utility model is in when work: while mainly using the self-closing power of vacuum switch tube and switching-in spring at manual brake separating, carry out energy storage, switch on power, closing coil in magnetic cylinder carries out closing a floodgate after excitation, adopt closing coil oppositely to switch on and produce reverse magnetic circuit, the confining force that overcomes permanent magnet closes a floodgate by self-closing power and the switching-in spring power of vacuum switch tube simultaneously. Make upper end cover (armature) and magnetic cylinder and iron core end face produce air gap, this moment switching-in spring and the self-closing power of vacuum switch tube discharge vacuum switch tube shifted onto to closing position simultaneously, at this moment closing coil is by the auxiliary contact combined floodgate task of having cut off the electricity supply.
The beneficial effects of the utility model are embodied in:
The utility model uses reverse thinking design, and conventional existing vacuum contactor is in the time closing a floodgate, to adopt to keep principle. Mentality of designing and method by electromagnetism, permanent magnetism or machinery etc. for keeping, the utility model is in the time of separating brake, to adopt permanent magnetism to keep, self-closing power and overtravel spring by vacuum switch tube when combined floodgate keep. The utility model is by adopting manual mode separating brake, and the self-closing power of vacuum tube and switching-in spring directly close a floodgate. When separating brake, manual operation separating brake connecting lever is pulled together the upper end cover of permanent magnet mechanism and magnetic cylinder end face, realizes separating brake; When combined floodgate, the switching-in spring of permanent magnet mechanism promotes upper end cover (armature) to be separated completely with magnetic cylinder and iron core end face. Under the self-closing power of vacuum switch tube and the effect of switching-in spring, directly close a floodgate, increased the pressure of vacuum switch tube moving contact simultaneously, also overcome its spring problem, broken through the problem of contactor and breaker spring in the past. Also greatly improved closing time, be the grid-connected a great problems that solved such as solar energy, wind-powered electricity generation and flexible direct current, frequency conversion, also filled up this blank of China's power industry.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Detailed description of the invention
As shown in Figure 1, quick single-phase bypass vacuum contactor, include housing 12, housing 12 internal upper parts are provided with vacuum switch tube 7, in housing 12, be positioned at vacuum switch tube 7 belows and be provided with insulator 8, in insulator 8, be provided with slotted eye, in vacuum switch tube 7, moving conductive rod 13 penetrates in insulator 8 slotted eyes straight down, and be connected with overtravel spring 6 between moving conductive rod 13 lower ends and insulator 8 slotted eye inner bottom parts, in housing 12, be positioned at insulator 8 belows and be provided with magnetic cylinder 11, on magnetic cylinder 11, lower end is made as respectively cylinder mouth, and magnetic cylinder 11 lower end cylinder lids are closed the bottom end cover 1 that NULL is made are installed, the interior iron core 5 that is coaxially provided with of magnetic cylinder 11, iron core 5 upper surfaces flush with magnetic cylinder 11 upper end cylinder mouths, gapped between iron core 5 outer walls and magnetic cylinder 11 inwalls, and between iron core 5 and magnetic cylinder 11, bottom, gap is provided with the permanent magnet 10 being enclosed within on iron core 5, between iron core 5 and magnetic cylinder 11, top, gap is provided with the closing coil 4 being enclosed within on iron core 5, by magnetic cylinder 11, permanent magnet 10, closing coil 4, iron core 5 forms permanent mechanism driving mechanism, iron core 5 top center are provided with upper coarse and lower fine step through hole in iron core 5, insulator 8 centers, lower end are vertically connected with gangbar 14, gangbar 14 lower ends penetrate in iron core 5 step through holes, and be connected with switching-in spring 15 between the step place of gangbar 14 lower ends and iron core 5 step through holes, in gangbar 14, be installed with and can cover the upper end cover 9 of making at the permeability magnetic material of magnetic cylinder 11 upper end cylinder mouths near lower end position, separating brake connecting lever 2 is also installed in gangbar 14.
Upper end cover 9, as armature, is made up for magnetic conduction of pure iron material, and bottom end cover 1 is made up for fixing magnetic cylinder 11 every magnetic of aluminum.
Divide-shut brake shares a permanent mechanism driving mechanism, when separating brake, manual actuation separating brake connecting lever 2 drives gangbar 14 to move downward, energy storage is carried out in switching-in spring 15 compressions that are contained in iron core 5, upper end cover 9 is pulled together completely with magnetic cylinder 11, iron core 5 upper surfaces, has kept manual brake separating by permanent magnet 10; The oppositely reverse magnetic circuit of energising generation of closing coil 4 when combined floodgate, the confining force that overcomes permanent magnet 10 makes upper end cover 9 separate with magnetic cylinder 11, iron core 5 upper surfaces and produces air gap, switching-in spring 15 and the self-closing of vacuum switch tube 7 that moment is contained in iron core 5 are tried hard to recommend moving upper end cover 9 to vacuum switch tube 7 direction motions, make upper end cover 9 and the upper surface of magnetic cylinder 11, iron core 5 separate electric switch-on completely, and keep by switching-in spring 15.
Permanent mechanism driving mechanism adopts to clap and closes Direct Action Type, and the iron core of upper end cover 9 weight ratio routines is light, can realize rapid movement.
Motion principle adopts reverse thinking, closes a floodgate and keeps adopting the self-closing power of vacuum switch tube 7 and overtravel spring 6 to keep, and separating brake keeps utilizing upper end cover 9 and magnetic cylinder 11, iron core 5 end faces to be pulled together and to keep by permanent magnet.
The utility model comprises the single-phase vacuum switching device being arranged on framework, and vacuum switchgear comprises a vacuum switch tube 7, insulator 8 and a permanent mechanism driving mechanism 3. Vacuum switchgear and permanent mechanism driving mechanism device adopt Direct Action Type mechanism to drive divide-shut brake. Overtravel spring 6 is housed in insulator 8. Permanent mechanism driving mechanism device comprises permanent magnet 10, magnetic cylinder 11, coil 4 and iron core 5, and switching-in spring 15 is housed in iron core 5, and upper and lower end cap is equipped with at magnetic cylinder two ends. Upper end cover (armature) 9 is for pure iron is for magnetic conduction, and bottom end cover 1 aluminium lid is every magnetic fixation. Divide-shut brake shares a permanent mechanism driving mechanism 3, when separating brake, first move to magnetic cylinder bottom end cover 1 direction by manual actuation separating brake connecting lever 2, at this moment the switching-in spring 15 that makes to be contained in iron core carries out energy storage, upper end cover (armature) 9 and magnetic cylinder 11, iron core 5 end faces are pulled together completely, have kept manual brake separating by permanent magnet 10. The power that described in when combined floodgate, divide-shut brake driving mechanism discharges by closing coil 4 makes upper end cover (armature) 9 and magnetic cylinder 11 and iron core 5 end faces produce air gap, moment is contained in the self-closing moving armature 9 of trying hard to recommend of switching-in spring 15 in iron core 5 and vacuum tube to vacuum switch tube 7 directions motions, makes upper end cover (armature) 9 separate electric switch-on completely with magnetic cylinder 11 and iron core 5 end faces and keeps by switching-in spring power. Just in time contrary with the existing contactor motion principle of routine, existing contactor is generally will keep by electromagnet, permanent magnet, machinery etc. in the time closing a floodgate. The utility model has adopted reverse thinking, design a kind of Direct Action Type mechanism, manual brake separating, under gate-dividing state, keep by permanent magnet 10, when combined floodgate, the anti-phase energising of closing coil 4 produces anti-phase magnetic circuit, and the confining force that overcomes permanent magnet 10 is reached rapid closing object and kept by self-closing power and the switching-in spring 15 of vacuum tube.
Overtravel spring and switching-in spring 15 are butterfly spring, and pressure stability is easy to adjust, and combined floodgate power is provided. The permanent magnet 10 of permanent magnet mechanism keeps.
By the arm of force ratio of separating brake connecting lever, make the manual operation dynamics that needs less, easily control and promote moving iron core and thread off and make upper end cover 9 and the complete adhesive of magnetic cylinder 11 end face complete separating brake action.
The utility model is in when work: while mainly using the self-closing power of vacuum switch tube and switching-in spring 15 at manual brake separating, carry out energy storage, switch on power, after closing coil 4 in magnetic cylinder 11 carries out excitation, combined floodgate adopts the anti-phase energising of closing coil 4 to produce anti-phase magnetic circuit, and the confining force that overcomes permanent magnet 10 closes a floodgate by self-closing power and the switching-in spring power of vacuum tube simultaneously. Make upper end cover (armature) 9 and magnetic cylinder 11 and iron core 5 end faces produce air gap, this moment switching-in spring 15 and the self-closing power of vacuum tube discharge simultaneously vacuum switch tube 7 shifted onto to closing position, at this moment closing coil 4 is by the auxiliary contact combined floodgate task of having cut off the electricity supply.
Claims (2)
1. quick single-phase bypass vacuum contactor, include housing, it is characterized in that: housing internal upper part is provided with vacuum switch tube, in housing, be positioned at vacuum switch tube below and be provided with insulator, in insulator, be provided with slotted eye, in described vacuum switch tube, moving conductive rod penetrates in insulator slotted eye straight down, and be connected with overtravel spring between moving conductive rod lower end and insulator slotted eye inner bottom part, in described housing, be positioned at insulator below and be provided with magnetic cylinder, on magnetic cylinder, lower end is made as respectively cylinder mouth, and magnetic cylinder lower end cylinder lid is closed the bottom end cover that NULL is made is installed, in magnetic cylinder, be coaxially provided with iron core, Yu Cigang upper end, iron core upper surface cylinder mouth flushes, gapped between iron core outer wall and the magnetic inside wall of cylinder, and between iron core and magnetic cylinder, bottom, gap is provided with the permanent magnet being enclosed within on iron core, between iron core and magnetic cylinder, top, gap is provided with the closing coil being enclosed within on iron core, by magnetic cylinder, permanent magnet, closing coil, iron core forms permanent mechanism driving mechanism, iron core top center is provided with upper coarse and lower fine step through hole in iron core, center, described insulator lower end is vertically connected with gangbar, described gangbar lower end penetrates in iron core step through hole, and be connected with switching-in spring between the step place of gangbar lower end and iron core step through hole, in described gangbar, be installed with and can cover the upper end cover of making at the permeability magnetic material of magnetic cylinder upper end cylinder mouth near lower end position, separating brake connecting lever is also installed in gangbar.
2. quick single-phase bypass vacuum contactor according to claim 1, is characterized in that: upper end cover, as armature, is made up for magnetic conduction of pure iron material, and bottom end cover is made up for fixing magnetic cylinder every magnetic of aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520858594.XU CN205264594U (en) | 2015-10-28 | 2015-10-28 | Quick single -phase bypass vacuum contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520858594.XU CN205264594U (en) | 2015-10-28 | 2015-10-28 | Quick single -phase bypass vacuum contactor |
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| Publication Number | Publication Date |
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| CN205264594U true CN205264594U (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520858594.XU Active CN205264594U (en) | 2015-10-28 | 2015-10-28 | Quick single -phase bypass vacuum contactor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105374616A (en) * | 2015-10-28 | 2016-03-02 | 安徽宇腾真空电气有限责任公司 | Rapid single-phase bypass vacuum contactor |
| CN107331572A (en) * | 2017-08-15 | 2017-11-07 | 大力电工襄阳股份有限公司 | A kind of embedded vacuum contactor |
-
2015
- 2015-10-28 CN CN201520858594.XU patent/CN205264594U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105374616A (en) * | 2015-10-28 | 2016-03-02 | 安徽宇腾真空电气有限责任公司 | Rapid single-phase bypass vacuum contactor |
| CN107331572A (en) * | 2017-08-15 | 2017-11-07 | 大力电工襄阳股份有限公司 | A kind of embedded vacuum contactor |
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| C14 | Grant of patent or utility model | ||
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