CN210575746U - Be applied to little direct current contactor of 5G communication - Google Patents
Be applied to little direct current contactor of 5G communication Download PDFInfo
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- CN210575746U CN210575746U CN201922095460.8U CN201922095460U CN210575746U CN 210575746 U CN210575746 U CN 210575746U CN 201922095460 U CN201922095460 U CN 201922095460U CN 210575746 U CN210575746 U CN 210575746U
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Abstract
The utility model relates to a be applied to small direct current contactor of 5G communication, including base, coil pack, outer housing and core bar subassembly, the core bar subassembly include the core bar, go up magnetic pole and magnetic pole down, the coil pack includes the coil former, the magnet steel, the enameled wire, yoke and bottom plate, the enameled wire twines on the coil former, the coil former is opened flutedly, the magnet steel dress is to the recess in, the coil former is arranged in the interior installation cavity, magnetic pole one end is installed in the yoke below down, the iron core is installed to the core bar below, it installs on the bottom plate to go up the magnetic pole, the iron core is equipped with the boss, the boss just is located the magnetic pole downside along the setting of core bar terminal surface direction, the distance of terminal surface is less than the. The utility model has the advantages of faster attraction excitation time and smaller volume; can block the arc generated when the product is in operation (DC). The operation characteristic of the contactor is improved by providing a strong initial magnetic force between the core and the upper magnetic pole by additionally providing a protrusion on the core.
Description
Technical Field
The utility model relates to a be applied to small direct current contactor of 5G communication. The system can be used for electric control systems of telecommunication equipment, engineering machinery, battery cars, electric forklifts, automobiles, trains, ships, uninterruptible power supplies and the like.
Background
The original direct current magnetic latching contactor is widely applied to the fields of communication, engineering machinery, vehicles and the like, but the market gradually shrinks due to the fact that the product size is large and the development of the field of balance control communication is serious. With the development requirement of the 5G communication industry in China, a small base station which is small in power, light in weight, faster in action time and easy to install and distribute points is widely applied, and in order to meet the use requirement of the 5G communication field, a direct current magnetic latching contactor which is small in size, light in weight, fast in pull-in time and small in power is urgently needed to be developed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a be applied to small direct current contactor of 5G communication, it compares with prior art: the attracting excitation time is faster; the volume is smaller; can block the arc generated when the product is in operation (DC). The operating characteristics of the contactor are improved by providing a strong initial magnetic force between the core and the upper magnetic pole in such a manner that a protrusion is additionally provided on the core of the contactor. The problems existing in the use process in the prior art are solved.
The technical scheme of the utility model is realized like this:
be applied to small direct current contactor of 5G communication, including base subassembly, coil pack, outer housing and core bar subassembly, the outer housing has interior appearance chamber, and base, coil pack and core bar subassembly are all installed in interior appearance chamber, and the movable contact piece subassembly is installed to the core bar subassembly, installs quiet contact piece subassembly on the base, movable contact piece subassembly pass through the core bar subassembly drive with quiet contact piece subassembly is closed or is broken off its characterized in that: the coil assembly comprises a coil frame, magnetic steel, an enameled wire, a yoke and a bottom plate, the enameled wire is wound on the coil frame, a groove is formed in the coil frame, the magnetic steel is installed in the groove and located on the bottom plate above the yoke, an inner installation cavity is defined by the bottom plate and the yoke, the coil frame is arranged in the inner installation cavity, one end of the lower magnetic pole is installed below the yoke, an iron core is installed below the core rod, the upper magnetic pole is installed on the bottom plate, the upper magnetic pole is provided with an upper through hole and a lower through hole which are coaxial, the upper through hole is matched with the end face of the core rod, the diameter of the lower through hole is not smaller than that of the upper through hole, the iron core is provided with a boss, the boss is arranged along the direction of the end face of the core rod and located on the lower side of the upper magnetic pole, and the distance from the boss.
The attraction excitation time is faster: the upper surface of the iron core is provided with a protruding structure, and the inside of the upper magnetic pole is provided with a groove structure, so that after the coil is electrified, the excitation distance is shorter, and the attraction time is shorter.
Preferably, the static contact piece assembly comprises a base, a static contact piece and a static contact point arranged on the static contact piece, the static contact piece is arranged on the base, and arc extinguishing magnetic steel is arranged between the static contact piece and the base.
Preferably, the movable contact sheet assembly comprises a movable contact sheet, a contact spring, a push rod and an opening clamp spring, the movable contact sheet is located right below the static contact sheet, the movable contact sheet is provided with a movable contact which is connected with the static contact, the bushing is installed in the middle of the core rod, the contact spring is installed in the bushing, the movable contact sheet is installed in the bushing and is contacted with one end of the spring, the push rod is sleeved in the core rod and is located above the movable contact sheet, and the opening clamp spring is installed in a clamping groove formed in the core.
Preferably, the device further comprises an auxiliary contact assembly, the auxiliary contact assembly is arranged adjacent to the static contact piece assembly and located above the end part of the core rod, and the stroke distance from the auxiliary contact assembly to the end face of the core rod is not greater than the stroke distance from the movable contact assembly to the static and movable contact assemblies.
Preferably, the auxiliary contact assembly comprises an auxiliary movable spring and an auxiliary static spring, the auxiliary movable spring and the auxiliary static spring are respectively installed in a clamping groove formed in the base, and the auxiliary movable spring and the auxiliary static spring are respectively provided with an auxiliary movable contact and an auxiliary static contact.
Preferably, the core bar and the iron core are riveted or welded into a whole.
Preferably, the lower magnetic pole and the yoke are riveted or welded into a whole.
Preferably, the upper pole piece and the bottom plate are riveted or welded to one body.
Through above-mentioned scheme, can block the electric arc that product during operation (DC) produced: the rear part of the static contact piece component is provided with the permanent magnet steel, so that electric arcs generated when the actions of the product are switched can be adsorbed by the permanent magnet steel, and the effect of extinguishing the electric arcs is achieved;
the product of this design has realized that small: the product volume was only 39 x 22 x 26 (unit mm).
To sum up, the beneficial effects of the utility model reside in that:
when the 5G communication industry is in outage, the loss is too big, so need the faster product of switching time, be provided with the arch on the iron core and can subtract the excitation distance between short iron core and the last magnetic pole, can make the faster closure of product, can reduce the huge loss in the outage.
The permanent magnet steel is arranged at the rear part of the static contact piece, so that electric arcs generated when the contact is disconnected can be adsorbed, the contact burning loss can be greatly reduced, and the service life of a product is greatly prolonged.
The contactor design has auxiliary contact, can externally perceive the operating condition of contactor, protection later maintenance personnel's that can be fine safety.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a structural diagram of a micro dc contactor used in 5G communication of the present invention;
fig. 2 is a structure diagram of a yoke assembly of the small dc contactor for 5G communication of the present invention;
fig. 3 is a structural diagram of the bottom plate of the micro dc contactor for 5G communication of the present invention;
fig. 4 is a structural diagram of a magnetic pole on the micro dc contactor for 5G communication of the present invention;
FIG. 5 is a core bar assembly structure diagram of the micro DC contactor for 5G communication of the present invention;
fig. 6 is a structural diagram of an iron core of the micro dc contactor for 5G communication of the present invention;
fig. 7 is an excitation structure diagram of the local iron core and the upper magnetic pole in fig. 1 of the small dc contactor for 5G communication according to the present invention;
fig. 8 is a coil assembly structure diagram of the micro dc contactor for 5G communication of the present invention;
fig. 9-10 are assembly structure diagrams of the coil assembly and the movable contact piece assembly of the micro dc contactor for 5G communication according to the present invention;
fig. 10-11 are structural diagrams of the assembly and installation of the micro dc contactor for 5G communication according to the present invention;
fig. 12-13 are structural diagrams of the small dc contactor used in the 5G communication according to the present invention.
In the figure: 1-base, 2-outer cover shell, 3-static contact piece, 4-dynamic contact piece, 5-static contact, 6-dynamic contact, 7-bottom plate, 8-coil rack, 9-magnetic steel, 10-enameled wire, 11-yoke iron, 12-lower magnetic pole, 13-iron core, 14-core rod, 15-upper magnetic pole, 16-insulating bush, 17-contact spring, 18-push rod, 19-open snap spring, 20-auxiliary dynamic spring, 21-auxiliary dynamic contact, 22-auxiliary static contact, 23-auxiliary static spring, 24-arc extinguishing magnetic steel and 25-coil pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 13 of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Examples
As shown in fig. 1 to 10, the utility model discloses a micro dc contactor applied to 5G communication, which comprises a base 1, a coil component, an outer casing 2 and a core bar component, wherein the outer casing 2 has an inner cavity, the base 1, the coil component and the core bar component are all installed in the inner cavity, the core bar component is installed with a movable contact piece component, a stationary contact piece component is installed on the base, the movable contact piece component is driven by the core bar component to be closed or disconnected with the stationary contact piece component, the core bar component comprises a core bar 14, an upper magnetic pole 15 and a lower magnetic pole 12, the coil component comprises a coil rack 8, magnetic steel 9, an enameled wire 10, a yoke 11 and a bottom plate 7, the enameled wire 10 is wound on the coil rack 8, the coil rack 8 is provided with a groove, the magnetic steel is installed in the groove, the bottom plate above the yoke is enclosed with the yoke to form an inner installation cavity, and is, one end of the lower magnetic pole is arranged at the lower bottom of the yoke 11, an iron core 13 is arranged below the core rod 14, the upper magnetic pole 15 is arranged on the bottom plate 7, the upper magnetic pole 15 is provided with an upper through hole 15b and a lower through hole 15a which are coaxial, the upper through hole is matched with the end face of the core rod, the diameter of the lower through hole is not smaller than that of the upper through hole, the iron core is provided with a boss 13a, the boss 13a is arranged along the end face direction of the core rod and is positioned at the lower side of the upper magnetic pole 15, and the distance b from the boss to the lower end face of the upper magnetic pole is. The iron core is provided with the protrusions, so that the excitation distance between the iron core and the upper magnetic pole can be shortened, the product can be closed more quickly, and the huge loss in the power-off process can be reduced.
The technical content of the scheme is further explained as follows:
as shown in fig. 2, the 5G communication uses a small dc contactor, and the lower magnetic pole 12 and the yoke 11 are riveted or welded together.
As shown in FIG. 3, the 5G communication uses a small DC contactor, the upper magnetic pole 15 and the bottom plate 7 are riveted or welded together.
As shown in fig. 4, the upper magnetic pole 15 of the small dc contactor for 5G communication of the present invention is provided with a lower through hole 15a inside.
As shown in FIG. 5, the 5G communication uses a small DC contactor, the core rod 14 and the iron core 13 are riveted or welded together.
As shown in fig. 5, 6 and 7, a boss 13a is provided on the upper portion of the iron core 13 of the micro dc contactor for 5G communication.
As shown in fig. 7, small direct current contactor is used in 5G communication, and the excitation distance before the change equals the activity stroke an of iron core, the great reduction of excitation distance b after the change, great improvement the excitation time of product to the actuation time of improvement product.
As shown in fig. 8, 5G communication uses small direct current contactor, pack into magnet steel 9 earlier in the recess that sets up about coil former 8, pack into coil former 8 that the enameled wire winding is good in the yoke 11 of riveting (welding) down magnetic pole 12, then pack into the hole groove that sets up in the middle of coil former 8 with the core rod 14 of riveting (welding) good iron core 13, pack into yoke 11 with the bottom plate 7 of riveting (welding) good magnetic pole 15 at last, through riveting or welded fastening in an organic whole, accomplish coil pack.
As shown in fig. 9, the 5G communication uses small dc contactor, packs into the bush 16 in the middle of the core rod 14, then packs into the bush 16 with the contact spring 17, then packs into the bush 16 with the movable contact piece 4 of riveting (welding) good movable contact 6, then embolias the push rod 18, in the draw-in groove that sets up the core rod 14 with opening jump ring 19 at last.
As shown in fig. 10, the 5G communication of the present invention uses a micro dc contactor to install the coil assembly with the movable contact piece 4 into the base 1, and two pins 11a provided on the yoke 11 are aligned with the slots 1d provided on the base 1; the coil lead pins 25 are aligned with the holes 1e arranged on the base 1, and the static contact pieces 3 riveted (welded) with the static contacts 5 are assembled in the two hole grooves 1a arranged on the base 1 after being assembled in place; and (3) assembling the auxiliary static spring pieces riveted with the auxiliary static contacts 23 and the auxiliary movable spring pieces riveted with the auxiliary movable contacts 21 into clamping grooves 1b and 1c arranged on the base 1, and finally installing arc extinguishing magnetic steel 24 at the rear parts of the two static contact pieces 3. The auxiliary contact assembly is arranged adjacent to the static contact piece assembly and above the end part of the core rod, the stroke distance from the auxiliary contact assembly to the end face of the core rod is not more than the stroke distance from the movable contact assembly to the static contact assembly, preferably the same stroke is adopted, and the effect of the action of the auxiliary contact assembly is equivalent to that of an indicator lamp. Can guarantee at the core bar during operation, the joint also can be accomplished to the auxiliary contact subassembly, and the effect of auxiliary contact is, can follow the operating condition of outside feedback contactor, can indicate whether operating personnel is at electrified work, specifically as follows: the auxiliary movable spring plate moves upwards from the core rod during working and then is jointed with the auxiliary static spring plate.
The utility model discloses the working process principle does: after the enameled wire 10 is electrified, a magnetic field is generated, the magnetic field enables the iron core 13 to attract the upper magnetic pole 15, the core rod 15 is driven to enable the movable contact 6 on the movable contact piece 4 to be in contact with the fixed contact 5 on the fixed contact piece 3, and the contactor is in a conducting state; after the enameled wire is powered off, the product can be kept in a conducting state by the attraction of the magnetic steel 8, after the enameled wire is powered on reversely, the magnetic field reversely attracts the iron core 13 to the lower magnetic pole 12 under the action force of the magnetic steel 8, the iron core 12 drives the core rod 14 to pull the movable contact piece 4, the movable contact 6 is disconnected from the fixed contact 5, and the contactor is in a disconnected state.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. Be applied to small direct current contactor of 5G communication, including base subassembly, coil pack, outer housing and core bar subassembly, the outer housing has interior appearance chamber, and base, coil pack and core bar subassembly are all installed in interior appearance chamber, and the movable contact piece subassembly is installed to the core bar subassembly, installs quiet contact piece subassembly on the base, movable contact piece subassembly pass through the core bar subassembly drive with quiet contact piece subassembly is closed or is broken off its characterized in that: the coil assembly comprises a coil frame, magnetic steel, an enameled wire, a yoke and a bottom plate, the enameled wire is wound on the coil frame, a groove is formed in the coil frame, the magnetic steel is installed in the groove and located on the bottom plate above the yoke, an inner installation cavity is defined by the bottom plate and the yoke, the coil frame is arranged in the inner installation cavity, one end of the lower magnetic pole is installed below the yoke, an iron core is installed below the core rod, the upper magnetic pole is installed on the bottom plate, the upper magnetic pole is provided with an upper through hole and a lower through hole which are coaxial, the upper through hole is matched with the end face of the core rod, the diameter of the lower through hole is not smaller than that of the upper through hole, the iron core is provided with a boss, the boss is arranged along the direction of the end face of the core rod and located on the lower side of the upper magnetic pole, and the distance from the boss.
2. The tiny direct current contactor as claimed in claim 1, wherein: the static contact piece assembly comprises a base, a static contact piece and a static contact point arranged on the static contact piece, the static contact piece is arranged on the base, and arc extinguishing magnetic steel is arranged between the static contact piece and the base.
3. The tiny direct current contactor applied to 5G communication according to claim 2, wherein: the movable contact sheet assembly comprises a movable contact sheet, a contact spring, a push rod and an opening clamp spring, the movable contact sheet is located under the static contact sheet, a movable contact point which is connected with the static contact point is arranged on the movable contact sheet, the bushing is installed in the middle of the core rod, the contact spring is installed in the bushing, the movable contact sheet is installed in the bushing and is contacted with one end of the spring, the push rod is sleeved in the core rod and is located above the movable contact sheet, and the opening clamp spring is installed in a clamping groove formed in.
4. The tiny direct current contactor applied to 5G communication according to claim 2, wherein: the auxiliary contact assembly is arranged at the adjacent position of the static contact piece assembly and positioned above the end part of the core rod, and the stroke distance from the auxiliary contact assembly to the end face of the core rod is not greater than the stroke distance from the movable contact piece assembly to the static and movable contact piece assembly.
5. The tiny DC contactor as claimed in claim 4, wherein: the auxiliary contact assembly comprises an auxiliary movable spring and an auxiliary static spring, the auxiliary movable spring and the auxiliary static spring are respectively installed in a clamping groove formed in the base, and an auxiliary movable contact and an auxiliary static contact are respectively arranged on the auxiliary movable spring and the auxiliary static spring.
6. The tiny direct current contactor as claimed in claim 1, wherein: the core bar and the iron core are riveted or welded into a whole.
7. The tiny direct current contactor as claimed in claim 1, wherein: the lower magnetic pole and the yoke are riveted or welded into a whole.
8. The tiny direct current contactor as claimed in claim 1, wherein: the upper magnetic pole and the bottom plate are riveted or welded into a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922095460.8U CN210575746U (en) | 2019-11-28 | 2019-11-28 | Be applied to little direct current contactor of 5G communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922095460.8U CN210575746U (en) | 2019-11-28 | 2019-11-28 | Be applied to little direct current contactor of 5G communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210575746U true CN210575746U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922095460.8U Active CN210575746U (en) | 2019-11-28 | 2019-11-28 | Be applied to little direct current contactor of 5G communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210575746U (en) |
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2019
- 2019-11-28 CN CN201922095460.8U patent/CN210575746U/en active Active
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