CN209487419U - Contactor - Google Patents
Contactor Download PDFInfo
- Publication number
- CN209487419U CN209487419U CN201920190604.5U CN201920190604U CN209487419U CN 209487419 U CN209487419 U CN 209487419U CN 201920190604 U CN201920190604 U CN 201920190604U CN 209487419 U CN209487419 U CN 209487419U
- Authority
- CN
- China
- Prior art keywords
- iron core
- dedusting block
- contactor
- mounting plate
- dynamic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Elimination Of Static Electricity (AREA)
Abstract
The utility model relates to a kind of contactors, including shell and contactor assembly, the contactor assembly is arranged in the shell, the shell includes lower case, mounting plate and dustproof cover, the upper end of the lower case is connect with the lower end of the mounting plate, the upper end of the mounting plate is connected with the dustproof cover, the contactor assembly includes static iron core, hollow coil, dynamic iron core, reaction spring, interlocking lever, interlock rod set, dynamic touch panel, touch spring and touch spring lid, dedusting block is arranged in the opening, the dedusting block and the opening are adapted, viscous slimeball is set on the dedusting block.Aluminum casing resistor is installed additional between the static contact panel of contactor; when this contactor charges in frequency conversion to bulky capacitor; frequency converter factory does not need to install charging resistor additional again; it can inhibit charging current; protection power source and rectifier cell; using more safely, quickly, the design of dedusting block can effectively be adsorbed the intracorporal dust of lower casing in lower case, improve the service life of product.
Description
Technical field
The utility model belongs to controller switching equipment technical field, and in particular to a kind of contactor.
Background technique
There is very big capacitor in frequency converter industry, in main circuit of frequency converter, the initial stage of powering on will be to capacitor charging, if not
It limits, charging current is excessive, and to power supply, rectifier cell will cause great impact.Therefore, it installs additional and fills in main circuit of frequency converter
Resistance is used to the dash current for inhibiting to power on, the maximum value of the dash current are as follows: (540V is 380V frequency converter to I=540/R
DC bus normal voltage), so bus current is less than the input rated current of frequency converter.With capacitor voltage gradually on
It rises, charging current will be gradually reduced until theory is 0.Charging circuit is a RC circuit, and RC circuit time cannot be too long, too long
Time will lead to charging current decline slowly, it is larger so as to cause the mean power of resistance, generate unnecessary loss and mistake
Long power-on time.
The charging current of frequency converter manufacturer capacitor in order to prevent is excessive, needs to access resistance again in frequency converter
Inhibit the rush of current powered on.The best position of charging resistor is installed between contactor static contact panel by frequency converter factory, but charges
It is not easy to connect between resistance and static contact panel, and charging resistor is not fixed easily again, has a certain impact to user using frequency converter.
Summary of the invention
To solve problems of the prior art, the utility model provides a kind of contactor, including shell and contact
Device assembly, the contactor assembly are arranged in the shell, and the shell includes lower case, mounting plate and dustproof cover, described
The upper end of lower case is connect with the lower end of the mounting plate, and the upper end of the mounting plate is connected with the dustproof cover, the contact
Device assembly includes static iron core, hollow coil, dynamic iron core, reaction spring, interlocking lever, interlocks rod set, dynamic touch panel, touch spring and touching
Head spring cup, the static iron core and the dynamic iron core are arranged in the hollow coil, and the reaction spring is arranged described
Between static iron core and the dynamic iron core, the lower end of the interlocking lever is connect with the dynamic iron core, and the gearing rod set is set in institute
The upper end of interlocking lever is stated, terminal plate, the wiring is arranged on interlocking lever set in the dynamic touch panel setting on the mounting plate
Two groups of static contact panels are set on plate, two groups of aluminum casing resistors are set between static contact panel described in two groups, are arranged on the side wall of the lower case
Dedusting block is arranged in opening, the opening, and the section of the dedusting block is trapezium structure, and the dedusting block is mutually fitted with the opening
It answers, the viscous slimeball of setting on the dedusting block, the stomata of setting multiple groups different pore size on the spherical surface of the slimeball, on the spherical surface
Glue is set, exhaust passage is set inside the dedusting block, the exhaust passage is connect with the slimeball, the dedusting block
Electro-insulating rubber gasket is arranged in side wall.
In any of the above-described scheme preferably in, the static contact panel is connect with fastener, the fastener include bolt,
Plain cushion, spring washer and nut.
In any of the above-described scheme preferably, the interlocking lever, gearing rod set, touch spring and touch spring lid pass through
Self-tapping screw is integrally fixed structure.
In any of the above-described scheme preferably, the terminal plate on the mounting plate is connect with the lower end of the dustproof cover.
In any of the above-described scheme preferably, silicagel pad is set between the terminal plate and the dustproof cover.
The beneficial effects of the present invention are: installing aluminum casing resistor additional between the static contact panel of contactor, this contactor is in frequency conversion
In when charging to bulky capacitor, frequency converter factory does not need to install charging resistor additional again, can inhibit charging current, protection power source and rectification member
Part, using more safely, quickly, the design of dedusting block can effectively be adsorbed the intracorporal dust of lower casing in lower case, be mentioned
The service life of high product.
Detailed description of the invention
Fig. 1 is the main view according to a preferred embodiment of the contactor of the utility model；
Fig. 2 is the cross-sectional view according to the face Fig. 1 embodiment A-A of the contactor of the utility model；
Fig. 3 is the cross-sectional view according to the face Fig. 1 embodiment B-B of the contactor of the utility model；
Fig. 4 is the partial enlarged view according to the lower case of contactor Fig. 1 embodiment of the utility model；
Fig. 5 is the slimeball schematic diagram according to contactor Fig. 1 embodiment of the utility model.
Explanation: 1- lower case is marked in figure；2- static iron core；The hollow coil of 3-；4- reaction spring；5- aluminum casing resistor；6- peace
Loading board；7- dynamic iron core；8- terminal plate；9- interlocking lever；10- static contact panel；11- interlocks rod set；12- moves touch panel；13- touch spring；
14- touch spring lid；15- self-tapping screw；16- silicagel pad；17- dustproof cover；18- fastener；19- opening；20- dedusting block；
21- glues slimeball；22- exhaust passage；23- electro-insulating rubber gasket；24- stomata；25- spherical surface.
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 Figures 1 to 5, the utility model provides a kind of contactor, including shell and contactor assembly, described to connect
Tentaculum component is arranged in the shell, and the shell includes lower case 1, mounting plate 6 and dustproof cover 17, the lower case 1
Upper end is connect with the lower end of the mounting plate 6, and the upper end of the mounting plate 6 and the dustproof cover 17 connect, the contactor group
Part includes static iron core 2, hollow coil 3, dynamic iron core 7, reaction spring 4, interlocking lever 9, interlocks rod set 11, dynamic touch panel 12, contact bullet
Spring 13 and touch spring lid 14, the static iron core 2 and the dynamic iron core 7 are arranged in the hollow coil 3, the counter-force bullet
Spring 4 be arranged between the static iron core 2 and the dynamic iron core 7, the lower end of the interlocking lever 9 protrude into the dynamic iron core 7 and with
Connection, the rod set 11 that interlocks is set in the upper end of the interlocking lever 9, and the dynamic touch panel 13 is arranged in the gearing rod set
On 11, the interlocking lever 9, gearing rod set 11, touch spring 13 and touch spring lid 14 are integrally fixed by self-tapping screw 15
Terminal plate 8 is arranged on the mounting plate 6, two groups of static contact panels 10 are arranged on the terminal plate 8, static contact panel 10 described in two groups for structure
Between two groups of aluminum casing resistors 5 are respectively set, be provided with circular hole on the static contact panel 10, pass through the circular hole and fastener 18 and connect
Connect, the fastener 18 include bolt, plain cushion, spring washer and nut, by circular hole be bolted, the fastener 18 is used to
The bus copper sheet of major loop is fixed, silicagel pad 16 is set on the terminal plate 8 on the mounting plate 6.
Opening 19 is set on the side wall of the lower case 1, dedusting block 20 is set at the opening 19, the dedusting block 20
Section is trapezium structure, and the dedusting block 20 is adapted with the opening 19, and the dedusting block 20 can be by way of insertion
It is connect with the opening 19, viscous slimeball 21 is set on the dedusting block 20, multiple groups are set not on the spherical surface 25 of the slimeball 21
With the stomata 24 in aperture, the aperture of the stomata 24 is increased with the increase of radius outward by the center of circle, on the spherical surface 25
Glue is set, the dust inside the lower case 1 is carried out by viscous absorption by the glue being arranged on the spherical surface 25, it is described
Exhaust passage 22 is set inside dedusting block 20, the exhaust passage 22 connect with the slimeball 21, the slimeball 21 it is interior
Portion is hollow structure, and the caliber of the exhaust passage 22 is gradually reduced, and electro-insulating rubber gasket is arranged in the side wall of the dedusting block 20
23, the electro-insulating rubber gasket 23 can promote the leakproofness that the dedusting block 20 is connect with the opening 19.
When power supply is connected, the hollow coil 3 is powered on, and the static iron core 2 generates electromagnetic attraction, and the dynamic iron core 7 overcomes
The elastic force of the reaction spring 4, Xiang Suoshu static iron core 2 move；Since fixation is inconjunction with the gearing inside the dynamic iron core 7
Bar 9 will drive the interlocking lever 9 that the dynamic iron core 7 is followed to move downward so the dynamic iron core 7 moves；Again due to described dynamic
Touch panel 12 is connect with the interlocking lever 9, and it is described dynamic that the interlocking lever 9 follows the dynamic iron core 7 also to drive while moving downward
Touch panel 12 moves downward, so that the dynamic touch panel 12 and the static contact panel 10 are in contact, contact closure, to control load.
Work as power cut-off, when hollow 3 power loss of coil, the electromagnetic attraction of the static iron core 2 disappears, by reaction spring
Reaction force, the dynamic iron core 7 separates with the static iron core 2, and the dynamic iron core 7 is restored to original position, the dynamic iron core 7 upwards
Top be in contact with upper housing so that the dynamic iron core 7 reaches fixed position；The interlocking lever 9 moves upwards simultaneously, described
Dynamic touch panel 12 and the static contact panel 10 disconnect, and contact disconnects, and stop the control to load.
In frequency converter in use, major loop is closed, contactor main contacts is disconnected, and electric current passes through 5 pairs of electricity of the aluminum casing resistor
Capacity charge after charging complete, is closed contactor main contacts, 5 short circuit of aluminum casing resistor, and major loop operates normally.
It will be apparent to those skilled in the art that the contactor of the utility model includes the hair of above-mentioned the utility model specification
Any combination of each section shown by bright content and specific embodiment part and attached drawing, as space is limited and to make specification
Concise each scheme without constituting these combinations describes one by one.Within the spirit and principle of the utility model, it is done
Any modification, equivalent substitution, improvement and etc., should be included within the scope of protection of this utility model.
Claims (1)
1. a kind of contactor, including shell and contactor assembly, the contactor assembly is arranged in the shell, the shell
Including lower case, mounting plate and dustproof cover, the upper end of the lower case is connect with the lower end of the mounting plate, the mounting plate
Upper end is connected with the dustproof cover, and the contactor assembly includes static iron core, hollow coil, dynamic iron core, reaction spring, gearing
Bar, gearing rod set, dynamic touch panel, touch spring and touch spring lid, the static iron core and the dynamic iron core are arranged in described
In dead coil, the reaction spring is arranged between the static iron core and the dynamic iron core, the lower end of the interlocking lever with it is described
Dynamic iron core connection, the upper end for interlocking rod set and being set in the interlocking lever, the dynamic touch panel are arranged on interlocking lever set,
It is characterized in that, opening is arranged on the side wall of the lower case, dedusting block is arranged in the opening, and the section of the dedusting block is
Trapezium structure, the dedusting block and the opening are adapted, and are arranged on the dedusting block and are glued slimeball, on the spherical surface of the slimeball
The stomata of multiple groups different pore size is set, glue is set on the spherical surface, exhaust passage, the exhaust are set inside the dedusting block
Channel is connect with the slimeball, and electro-insulating rubber gasket is arranged in the side wall of the dedusting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920190604.5U CN209487419U (en) | 2019-02-12 | 2019-02-12 | Contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920190604.5U CN209487419U (en) | 2019-02-12 | 2019-02-12 | Contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209487419U true CN209487419U (en) | 2019-10-11 |
Family
ID=68133545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920190604.5U Active CN209487419U (en) | 2019-02-12 | 2019-02-12 | Contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209487419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600328A (en) * | 2019-10-31 | 2019-12-20 | 浙江东亚电子有限公司 | Waterproof normally-open direct current contactor |
-
2019
- 2019-02-12 CN CN201920190604.5U patent/CN209487419U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600328A (en) * | 2019-10-31 | 2019-12-20 | 浙江东亚电子有限公司 | Waterproof normally-open direct current contactor |
| CN110600328B (en) * | 2019-10-31 | 2024-04-16 | 浙江东亚电子有限公司 | Waterproof normally open direct current contactor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209487419U (en) | Contactor | |
| CN208369030U (en) | A kind of power cabinet with water-proof function | |
| CN201812740U (en) | Magnetic button | |
| CN209804555U (en) | Shock-resistant mounting base for relay | |
| CN209896467U (en) | Power switch cabinet convenient to dismantle | |
| CN209487426U (en) | The contactor of precharge is provided for bulky capacitor | |
| CN219418906U (en) | Electromagnetic relay | |
| CN209487416U (en) | D.C. contactor | |
| CN209487415U (en) | The single-pole contactor of small size | |
| CN203415481U (en) | Indoor AC high-voltage vacuum circuit breaker | |
| CN207977276U (en) | Relay Optocoupler detection device and electromagnetic relay with the device | |
| CN205123405U (en) | Automatic switching control ware | |
| CN209487417U (en) | Contactor | |
| CN2768190Y (en) | AC contactor | |
| CN205692773U (en) | A kind of contact supporting assembly of D.C. contactor | |
| CN214589881U (en) | Low-voltage switch cabinet with shock-absorbing function | |
| CN207947209U (en) | A kind of on-load switch permanent-magnet operating mechanism | |
| CN220106283U (en) | Lower isolation structure of circuit breaker for medium-voltage ring network switch equipment | |
| CN219626557U (en) | Energy-saving low-noise contactor | |
| CN106409610B (en) | Electromagnetic switch drawer type understructure | |
| CN219066727U (en) | Air switch assembly for electric power safety | |
| CN207993774U (en) | A kind of contactor for pcb board | |
| CN215815486U (en) | Capacitor series reactor assembly | |
| CN214848385U (en) | Cover plate and alternating current contactor | |
| CN108321028A (en) | Relay Optocoupler detection device and electromagnetic relay with the device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |