CN218631839U - Multi-path feedback direct current contactor - Google Patents
Multi-path feedback direct current contactor Download PDFInfo
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- CN218631839U CN218631839U CN202223174446.5U CN202223174446U CN218631839U CN 218631839 U CN218631839 U CN 218631839U CN 202223174446 U CN202223174446 U CN 202223174446U CN 218631839 U CN218631839 U CN 218631839U
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- arc extinguishing
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Abstract
A multi-path feedback direct current contactor comprises a coil end cover and a coil assembly body, wherein a moving shaft is arranged in the middle of the coil assembly body, a small shaft is arranged at the upper end of the moving shaft, a guide plate is arranged on the upper surface of the coil end cover, a guide column is arranged in the middle of the guide plate, and the small shaft penetrates through the guide column and is provided with a moving contact; the outer surface of the small shaft is sleeved with a first pressure spring; a contact cavity cover is arranged above the guide plate, and a static contact is arranged on the surface of the contact cavity cover; two rectangular mounting grooves are formed in the inner side of the contact cavity cover, and arc-extinguishing grids are arranged on two sides of each rectangular mounting groove; a feedback switch mounting frame is arranged between the two arc-extinguishing grids; the feedback switch mounting frames are internally provided with a plurality of feedback switches. The utility model overcomes prior art's is not enough, through the reasonable space that can hold the arc extinguishing bars of dividing out of the medial surface with the contact chamber lid, makes to have a space that can hold feedback switch between two arc extinguishing bars to the accessible moving contact cooperatees with a plurality of feedback switch, with the effect of realizing many signal feedback.
Description
Technical Field
The utility model relates to a direct current contactor technical field, concretely relates to multichannel feedback direct current contactor.
Background
The direct current contactor generally comprises a coil, an external magnetic circuit, an arc extinguish chamber, a fixed contact, a movable shaft assembly, a permanent magnet, a plastic shell and the like, and along with the wide use of energy-saving and efficient direct current equipment such as an electric automobile, a quick charging pile, battery switching, high-voltage direct current voltage switch control and the like, the direct current contactor is particularly developed and used in large quantities, so that the performance requirements of the direct current contactor product are continuously improved.
However, the existing direct current contactor usually only has one normally open auxiliary feedback circuit, and a user can only receive a feedback signal at a single point in application; therefore, it is impossible for the user to monitor and detect the contactor and the terminal equipment in multiple scenes.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a multichannel feedback direct current contactor has overcome the not enough of prior art, reasonable in design, through the space that can hold the arc extinguishing bars with the reasonable division of the medial surface of contact chamber lid, makes to be located the moving contact and has a space that can hold feedback switch between two arc extinguishing bars with one side to the contact plate of accessible moving contact both sides cooperatees with a plurality of feedback switch respectively, with the effect of realizing many signal feedback.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a multi-path feedback direct current contactor comprises a coil end cover and a coil assembly body, wherein a moving shaft is movably installed in the middle of the coil assembly body, a small shaft is arranged at the upper end of the moving shaft, a guide plate is arranged on the upper surface of the coil end cover, a hollow guide post is arranged in the middle of the guide plate, the guide post penetrates through the coil end cover and is movably connected with the coil end cover, a ring-shaped step is arranged in a hollow cavity of the guide post, the upper end surface of the moving shaft is abutted against the ring-shaped step, and the small shaft penetrates through the guide post and is fixedly provided with a moving contact; a first pressure spring is sleeved on the outer surface of the small shaft and positioned between the lower surface of the movable contact and the upper surface of the annular step;
a contact cavity cover is arranged above the guide plate, two through holes are formed in the surface of the contact cavity cover, a static contact is fixedly arranged in each of the two through holes, and the lower end of the static contact is in movable contact with the upper surface of the movable contact;
two rectangular mounting grooves are symmetrically formed in the inner side surface of the contact cavity cover respectively, two ends of the moving contact are located in the middle of the two rectangular mounting grooves respectively, and arc extinguishing grids are mounted at two ends of each rectangular mounting groove respectively; a feedback switch mounting frame is arranged between the two arc-extinguishing grids positioned on the same side of the moving contact, and the feedback switch mounting frames are arranged on the inner side surface of the contact cavity cover; the upper surface of the feedback switch installation frame is provided with a feedback line through hole, a plurality of feedback switches are installed in the feedback switch installation frame, feedback signal ends of the feedback switches are movably contacted with the moving contact, and signal feedback lines of the feedback switches penetrate through the feedback line through hole and are connected with an electric appliance controller.
Preferably, the arc extinguishing bars include arc extinguishing cover and a plurality of arc extinguishing row, the arc extinguishing cover is U type open structure, just the open end of arc extinguishing cover all is towards the moving contact, a plurality of spliced eyes have evenly been seted up to the arc extinguishing cover side surface, arc extinguishing row side all is provided with the joint piece, the arc extinguishing row is pegged graft in the spliced eye through the joint piece.
Preferably, two magnet installation grooves are symmetrically arranged on the inner side surface of the contact cavity cover close to the edge, and the two magnet installation grooves are respectively located at the two ends of the moving contact; and a magnet is arranged in the magnet mounting groove.
Preferably, the outer surface of the moving shaft is sleeved with a tension spring, one end of the tension spring is connected with the bottom of the inner cavity of the coil assembly body, and the other end of the tension spring is connected with the outer surface of the moving shaft.
The utility model provides a multichannel feedback direct current contactor. The method has the following beneficial effects: the inner side surface of the contact cavity cover is reasonably divided into spaces capable of accommodating arc-extinguishing grids on the basis of meeting the moving contact moving up and down, so that a space capable of accommodating a feedback switch is formed between two arc-extinguishing grids positioned on the same side of the moving contact, and contact plates on two sides of the moving contact can be matched with the two feedback switches respectively to achieve the effect of multi-signal feedback.
Drawings
In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the description of the prior art will be briefly described below.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is a schematic structural view of the contact chamber cover of the present invention when opened;
fig. 4 is a schematic view of the structure of the middle contact chamber cover of the present invention;
fig. 5 is a schematic structural view of the middle arc chute of the present invention;
the numbering in the figures illustrates:
1. a coil end cap; 2. a coil assembly; 3. a movable shaft; 4. a small shaft; 5. a guide plate; 6. a guide post; 7. a moving contact; 8. a first pressure spring; 9. a contact chamber cover; 10. static contact; 11. a rectangular mounting groove; 12. an arc chute; 13. a feedback switch mounting frame; 14. a feedback line via; 15. a feedback switch; 16. a magnet mounting groove; 17. a magnet; 18. a tension spring; 121. an arc extinguishing chamber; 122. arc extinguishing rows; 124. inserting holes; 125. and a clamping block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention will be combined below to clearly and completely describe the technical solutions of the present invention.
In a first embodiment, as shown in fig. 1 to 5, a multi-path feedback dc contactor includes a coil end cover 1 and a coil assembly 2, a moving shaft 3 is movably installed in the middle of the coil assembly 2, a small shaft 4 is installed at the upper end of the moving shaft 3, a guide plate 5 is installed on the upper surface of the coil end cover 1, a hollow guide post 6 is installed in the middle of the guide plate 5, the guide post 6 penetrates through the coil end cover 1 and is movably connected with the coil end cover 1, a ring-shaped step is installed in a hollow cavity of the guide post 6, the upper end surface of the moving shaft 3 abuts against the ring-shaped step, the small shaft 4 penetrates through the guide post 6 and is fixedly installed with a moving contact 7; a first pressure spring 8 is sleeved on the outer surface of the small shaft 4, and the first pressure spring 8 is positioned between the lower surface of the moving contact 7 and the upper surface of the annular step;
a contact cavity cover 9 is arranged above the guide plate 5, two through holes are formed in the surface of the contact cavity cover 9, a static contact 10 is fixedly arranged in each of the two through holes, and the lower end of the static contact 10 is in movable contact with the upper surface of the movable contact 7;
two rectangular mounting grooves 11 are symmetrically formed in the inner side face of the contact cavity cover 9, two ends of the moving contact 7 are located in the middle of the two rectangular mounting grooves 11, and arc extinguishing grids 12 are mounted at two ends of each rectangular mounting groove 11; a feedback switch mounting frame 13 is arranged between the two arc-extinguishing grids 12 positioned on the same side of the moving contact 7, and the feedback switch mounting frames 13 are arranged on the inner side surface of the contact cavity cover 9; feedback line through-holes 14 have been seted up to feedback switch installation frame 13 upper surface, all install a plurality of feedback switches 15 in the feedback switch installation frame 13, feedback switch 15's feedback signal end and moving contact 7 movable contact, feedback switch 15's signal feedback line passes feedback line through-holes 14 and links to each other with the electrical apparatus controller.
The working principle is as follows:
in a conventional state, the movable contact 7 is upward in a supporting state under the elastic action of the first pressure spring 8 below the movable contact, the lower parts of the movable contact 7 and the static contact 10 are always in a contact state, and the feedback signal ends of all the feedback switches 15 are in contact with the movable contact 7 at the moment; when the coil assembly body 2 is electrified, the moving shaft 3 moves downwards under the action of electromagnetic force, then the moving contact 7 is driven to move downwards by the small shaft 4, the moving contact 7 is separated from the static contact 10, and the first pressure spring 8 is compressed downwards by the moving contact 8; at this time, the feedback signal ends of all the feedback switches 15 are disconnected from the movable contact 7, and then the circuit board 14 outputs signals to an external control system, so that workers with different requirements can make feedback in time according to the feedback switches 15.
In this embodiment, the feedback switches 15 may be contact switches, and by providing a plurality of contact plates on the side surfaces of the movable contact 7, when the movable contact 7 moves up and down, multiple feedback can be performed through the action of each contact plate corresponding to each feedback switch 15.
The utility model discloses a with the medial surface of contact chamber lid 9 satisfying on the basis that moving contact 7 reciprocated, the reasonable 4 spaces that can hold arc extinguishing bars 12 that mark off make lie in moving contact 7 and have a space that can hold feedback switch 15 between two arc extinguishing bars 12 with one side to the contact plate of accessible moving contact 7 both sides cooperatees with two feedback switch 15 respectively, in order to realize the effect of many signal feedback.
In the second embodiment, as shown in fig. 5, as a further preferable scheme of the first embodiment, the arc chute 12 includes an arc-extinguishing cover 121 and a plurality of arc-extinguishing bars 122, the arc-extinguishing cover 121 is a U-shaped opening structure, the open ends of the arc-extinguishing cover 121 face the movable contact 7, a plurality of insertion holes 124 are uniformly formed in the side surface of the arc-extinguishing cover 121, clamping blocks 125 are disposed on the side surfaces of the arc-extinguishing bars 122, and the arc-extinguishing bars 122 are inserted into the insertion holes 124 through the clamping blocks 125. Therefore, when in use, different numbers of arc extinguishing rows 122 can be installed according to requirements, and the comb density of the arc extinguishing rows 122 can be adjusted.
In a third embodiment, as a further preferable solution of the first embodiment, two magnet installation grooves 16 are symmetrically arranged at positions of the inner side surface of the contact chamber cover 9 close to the edge, and the two magnet installation grooves 16 are respectively located at two ends of the moving contact 7; a magnet 17 is installed in the magnet installation groove 16. Through the reasonable position that sets out magnet mounting groove 16 with contact chamber lid 9 medial surface to when work produced electric arc, the magnetic force pulling of accessible magnet 17 down, make electric arc to the side motion of contact chamber lid 9, thereby accelerated the change of the voltage and the electric current of electric arc, make electric arc extinguish fast.
In a fourth embodiment, as a further preferable scheme of the first embodiment, a tension spring 18 is sleeved on the outer surface of the moving shaft 3, one end of the tension spring 18 is connected with the bottom of the inner cavity of the coil assembly 2, and the other end of the tension spring 18 is connected with the outer surface of the moving shaft 3. Therefore, when the coil assembly 2 is powered on and the moving shaft 3 moves downwards, the elastic action of the tension spring 18 can buffer the situation so as to prevent the moving shaft 5 from moving downwards due to excessive force to cause equipment damage.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (4)
1. The utility model provides a multichannel feedback direct current contactor, includes coil end cover (1) and coil assembly body (2), movable mounting has removal axle (3), its characterized in that in the middle of coil assembly body (2): a small shaft (4) is arranged at the upper end of the movable shaft (3), a guide plate (5) is arranged on the upper surface of the coil end cover (1), a hollow guide post (6) is arranged in the middle of the guide plate (5), the guide post (6) penetrates through the coil end cover (1) and is movably connected with the coil end cover (1), a ring-shaped step is arranged in a hollow cavity of the guide post (6), the upper end surface of the movable shaft (3) is abutted against the ring-shaped step, and the small shaft (4) penetrates through the guide post (6) and is fixedly provided with a movable contact (7); a first pressure spring (8) is sleeved on the outer surface of the small shaft (4), and the first pressure spring (8) is positioned between the lower surface of the movable contact (7) and the upper surface of the annular step;
a contact cavity cover (9) is arranged above the guide plate (5), two through holes are formed in the surface of the contact cavity cover (9), a static contact (10) is fixedly arranged in each of the two through holes, and the lower end of each static contact (10) is movably contacted with the upper surface of the corresponding moving contact (7);
two rectangular mounting grooves (11) are symmetrically formed in the inner side surface of the contact cavity cover (9), two ends of the moving contact (7) are located in the middle of the two rectangular mounting grooves (11), and arc extinguishing grids (12) are mounted at two ends of each rectangular mounting groove (11) respectively; a feedback switch mounting frame (13) is arranged between the two arc-extinguishing grids (12) positioned on the same side of the moving contact (7), and the feedback switch mounting frame (13) is arranged on the inner side surface of the contact cavity cover (9); feedback line through-hole (14) have been seted up to feedback switch installation frame (13) upper surface, all install a plurality of feedback switches (15) in feedback switch installation frame (13), the feedback signal end and the moving contact (7) movable contact of feedback switch (15), the signal feedback line of feedback switch (15) passes feedback line through-hole (14) and links to each other with the electrical apparatus controller.
2. The multi-feedback dc contactor according to claim 1, wherein: arc extinguishing bars (12) are including arc extinguishing chamber (121) and a plurality of arc extinguishing row (122), arc extinguishing chamber (121) are U type open structure, just the open end of arc extinguishing chamber (121) all faces moving contact (7), a plurality of spliced eye (124) have evenly been seted up to arc extinguishing chamber (121) side surface, arc extinguishing row (122) side all is provided with joint piece (125), arc extinguishing row (122) are pegged graft in spliced eye (124) through joint piece (125).
3. A multi-feedback dc contactor as claimed in claim 1, wherein: two magnet mounting grooves (16) are symmetrically arranged on the inner side surface of the contact cavity cover (9) close to the edge, and the two magnet mounting grooves (16) are respectively positioned at the two ends of the moving contact (7); and a magnet (17) is arranged in the magnet mounting groove (16).
4. The multi-feedback dc contactor according to claim 1, wherein: move axle (3) surface and cup jointed extension spring (18), the one end and the coil assembly body (2) inner chamber bottom of extension spring (18) are connected, the other end and the removal of extension spring (18) are connected on axle (3) surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223174446.5U CN218631839U (en) | 2022-11-29 | 2022-11-29 | Multi-path feedback direct current contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223174446.5U CN218631839U (en) | 2022-11-29 | 2022-11-29 | Multi-path feedback direct current contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218631839U true CN218631839U (en) | 2023-03-14 |
Family
ID=85453105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223174446.5U Active CN218631839U (en) | 2022-11-29 | 2022-11-29 | Multi-path feedback direct current contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218631839U (en) |
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2022
- 2022-11-29 CN CN202223174446.5U patent/CN218631839U/en active Active
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