CN208938893U - A kind of high voltage direct current relay - Google Patents
A kind of high voltage direct current relay Download PDFInfo
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- CN208938893U CN208938893U CN201821502843.1U CN201821502843U CN208938893U CN 208938893 U CN208938893 U CN 208938893U CN 201821502843 U CN201821502843 U CN 201821502843U CN 208938893 U CN208938893 U CN 208938893U
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- rod
- iron core
- direct current
- high voltage
- voltage direct
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Abstract
The utility model provides a kind of high voltage direct current relay, is equipped with the main contacts that multiple groups are made of static contact and moving contact, further includes: metal shell is fixed on bottom in the shell；The metal shell is externally provided with coil；Set on the static iron core of metal shell internal upper part, inside there is guide groove, passed through for drive rod, the static iron core bottom is equipped with bellmouth；It set on the intracorporal dynamic iron core of metal-back, is fixedly connected with one end of the drive rod, top is arranged to taper top；The taper top of the dynamic iron core and the bellmouth of the static iron core match；Reaction spring is set between the dynamic iron core taper top and the static iron core bellmouth in gap, and is set in the drive rod periphery.The high voltage direct current relay has multiple groups main contacts, can switch multiple groups load simultaneously；Static iron core and dynamic iron core contact surface use taper fit contact surface, and it is strong to make capability by oneself, contact more stable, promote product suction and product arc extinction performance.
Description
Technical field
The utility model relates to a kind of high voltage direct current relays.
Background technique
Relay electro-magnetic system is made of coil, the iron core of fixation and yoke and movable dynamic iron core, contact system by
Movable contact and break are constituted, after coil passes through the electric current of certain numerical value, since electromagnetic action or inducing method generate electromagnetism
Attraction attracts dynamic iron core, pushes movable contact by dynamic iron core, to make sound contact closure.The current height in new energy industry
Straightening current relay, the main contacts circuit for being used to switch load only have one group, and with the development of new energy industry, to high pressure
The requirement of DC relay is higher and higher, and the single relay of customer requirement can switch multiple groups load simultaneously, uses list instead of conventional
The control one group of load of switching of relay, existing high voltage direct current relay are unable to satisfy such needs.
Summary of the invention
In view of the deficiencies of the prior art, the technical issues of the utility model solves is to provide a kind of high voltage direct current relay,
The relay has multiple groups main contacts, can switch multiple groups load simultaneously.
The utility model solves above-mentioned technical problem, using following technical scheme:
A kind of high voltage direct current relay, including shell, the pedestal in shell, the permanent magnet being symmetrically set in outside pedestal,
The main contacts being made of static contact and moving contact, and the driving moving contact move up and down to connect on and off with the static contact
The drive rod opened, the main contacts are equipped with multiple groups, are used to form multiple groups main contacts circuit, further includes:
Metal shell is fixed on bottom in the shell；The metal shell is externally provided with coil；
Set on the static iron core of metal shell internal upper part, inside there is guide groove, is passed through for drive rod, the static iron core bottom
Equipped with bellmouth；It set on the intracorporal dynamic iron core of metal-back, is fixedly connected with one end of the drive rod, top is arranged to
Taper top；The taper top of the dynamic iron core and the bellmouth of the static iron core match；
Reaction spring is set between the dynamic iron core taper top and the static iron core bellmouth in gap, and is arranged
In the drive rod periphery.
An embodiment of the present invention, the main contacts are equipped with two groups, respectively the first main contacts and the second main touching
Point forms double main contacts loop high-voltage DC relays.
The utility model can be further improved, and the drive rod is connected by upper push-rod and lower push-rod by insulated connecting rod
Connect composition.
Further, first main contacts includes the first movable contact and the first stationary contact, and first movable contact is the
One conducting block, is set to the top of the upper push-rod, and first stationary contact includes the first conduction being symmetrically disposed on pedestal
Bar and the second conducting rod；Second main contacts includes the second movable contact and the second stationary contact, and second movable contact is second
Conducting block, set on the top of the lower push-rod, second stationary contact include the third conducting rod that is symmetrically disposed on pedestal and
4th conducting rod.After first conducting block is contacted with the first conducting rod, the second conducting rod, closed circuit is formed, similarly, second leads
After electric block is contacted with third conducting rod, the 4th conducting rod, closed circuit is formed.
Preferably, its top of first conducting block is provided with the first retainer ring for being fixed on upper push-rod, is equipped with below solid
Due to being provided with the first compressed spring between the first washer of upper push-rod, first washer and the first conducting block；Described second
Its top of conducting block is provided with the second retainer ring for being fixed on lower push-rod, is equipped with the second packing ring for being fixed on lower push-rod, institute below
It states and is provided with the second compressed spring between second packing ring and the second conducting block.
An embodiment of the present invention, the metal shell are arranged with spool outside, are used for coil windings.
Further, be provided with metal cap outside the metal shell and spool, the metal cap by metal shell, spool and
Coil is integrally wrapped in inside it.
The reel bottom is equipped with supporting element, is sheathed on the metal shell periphery, plays support to the spool and fixes
Effect.
Preferably, the supporting element is annular iron plate.
The pedestal is equipped with clamping ring, and pedestal is connect with metal cap, forms closed arc-chutes space.
Exhaust pipe is equipped at the top of the pedestal, for mixed gas to be filled with arc-chutes.
Coil terminals are provided with outside the pedestal, the coil terminals and coil connect and compose circuit.
The utility model has the following beneficial effects:
(1) the high voltage direct current relay of the utility model has multiple groups main contacts, can switch multiple groups load simultaneously, instead of
It is conventional to control one group of load with single relay, cost is greatly reduced, while not obviously increasing relay the space occupied；
(2) the high voltage direct current relay static iron core of the utility model has bellmouth, and dynamic iron core has taper top, the two
Contact surface uses taper fit contact surface, and compared to the direct plane contact of transmission, it is strong that conical contact surface construction makes capability by oneself, contact
It is more stable, and the magnetic circuit of product can be optimized, product suction is promoted, while improving product arc extinction performance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model high voltage direct current relay；
Fig. 2 is the top view of the utility model high voltage direct current relay；
Fig. 3 is the A-A cross-sectional view of Fig. 2；
Description of symbols in attached drawing: 1- shell；2- metal shell；3- static iron core；4- dynamic iron core；5- drive rod；6- counter-force bullet
Spring；7- spool；8- coil；9- metal cap；10- annular iron plate；11- clamping ring；12- porcelain seat；13- exhaust pipe；14- first is conductive
Bar；The second conducting rod of 15-；16- third conducting rod；The 4th conducting rod of 17-；The first conducting block of 18-；The second conducting block of 19-；20-
Upper push-rod；21- lower push-rod；22- insulated connecting rod；The upper retainer ring of 23-；24- upper gasket；Retainer ring under 25-；26- lower gasket；27-
One compressed spring；The second compressed spring of 28-；Permanent magnet before 29-；Permanent magnet after 30-；31- coil terminals.
Specific embodiment
The technical solution of the utility model is further elaborated below in conjunction with the drawings and specific embodiments.
As shown in Figs. 1-3 has double-contact loop high-voltage DC relay comprising shell 1, metal shell 2, quiet iron
Core 3, dynamic iron core 4, drive rod 5, reaction spring 6, spool 7, coil 8, metal cap 9, annular iron plate 10, clamping ring 11, porcelain seat 12,
Exhaust pipe 13, the first conducting rod 14, the second conducting rod 15, third conducting rod 16, the 4th conducting rod 17, the first conducting block 18,
Two conducting blocks 19, upper push-rod 20, lower push-rod 21, insulated connecting rod 22, upper retainer ring 23, upper gasket 24, lower retainer ring 25, lower gasket
26, the first compressed spring 27, the second compressed spring 28, preceding permanent magnet 29, rear permanent magnet 30 and coil terminals 31.
Metal shell 2 is a cavity body structure, is fixed at bottom in shell 1, and cavity top is equipped with static iron core 3,
Cavity lower part is equipped with dynamic iron core 4.There is guide groove in static iron core 3, passed through for drive rod 5, bottom is equipped with bellmouth；Dynamic iron core
4 are fixedly connected with 5 one ends of drive rod, and top is arranged to taper top；The taper top of dynamic iron core 4 and the static iron core 3
Bellmouth matches, and taper top is entered in bellmouth, the contact of this taper fit, has abandoned traditional direct put down
Face contact, can optimize the magnetic circuit of product, promote product suction, facilitate the raising of product arc extinction performance, while this structure
It is strong to make capability by oneself, contacts more stable.Counter-force is equipped between 4 bellmouth of 4 taper top of dynamic iron core and the static iron core in gap
Spring 6 is set in 5 periphery of drive rod.
It is arranged with spool 7 outside metal shell 2, coil 8 is wound around on spool 7, forms coil block.Metal shell 2
It is provided with metal cap 9 outside with spool 7, metal shell 2, spool 7 and 8 entirety of coil are wrapped in inside it by the metal cap 9.Gold
Belong to 2 periphery of shell and be also arranged with annular iron plate 10, is located at 7 lower section of spool, support fixed function is risen to spool 7.Metal cap 9,
Annular iron plate 10, dynamic iron core 4, static iron core 3 and reaction spring 6 form helix tube type magnetic circuit system.
Helix tube type magnetic circuit system connect to form closed arc-chutes space with the porcelain seat 12 above it by clamping ring 11.Porcelain seat
12 tops are equipped with exhaust pipe 13, for being filled with the mixed gas of certain pressure.29 He of permanent magnet before 12 external symmetry of porcelain seat is provided with
Permanent magnet 30 afterwards form a stable externally-applied magnetic field, and outer to be additionally provided with coil terminals 31, coil terminals 31 and coil 8 connect
It connects and constitutes circuit.12 two sides of porcelain seat are symmetrically arranged with two groups of stationary contacts, are that symmetrically arranged first conducting rod 14 and second are led respectively
Electric pole 15, symmetrically arranged third conducting rod 16 and the 4th conducting rod 17.It first conducting rod 14, the second conducting rod 15 and is set to
First conducting block 18 at 5 top of drive rod is corresponding, forms first group of main contacts circuit for contacting；Correspondingly, third is conductive
Bar 16, the 4th conducting rod 17 are corresponding with the second conducting block 19 being set in the middle part of drive rod, form second group of master for contacting
Contact circuit.Drive rod 5 is connected and composed by upper push-rod 20 and lower push-rod 21 by insulated connecting rod 22, while insulated connecting rod 22
Play the role of completely cutting off two circuits.First conducting block 18 is set to 20 top of upper push-rod, and top, which is provided with, is fixed on upper push-rod
Upper retainer ring 23 on 20, is equipped with the upper gasket 24 that is fixed on upper push-rod 20 below, upper gasket 24 and the first conducting block 18 it
Between be provided with the first compressed spring 27, play a supportive role to the first conducting block 18；Second conducting block 19 is set to 21 top of lower push-rod,
Its top is provided with the lower retainer ring 25 being fixed on lower push-rod 21, is equipped with the lower gasket 26 being fixed on lower push-rod 21 below,
It is provided with the second compressed spring 28 between lower gasket 26 and the second conducting block 19, plays a supportive role to the second conducting block 19.
The present embodiment has double-contact loop high-voltage DC relay working principle as follows: after coil 8 is powered, electric current makes
Coil 8 forms magnetic field, and magnetic field forms the closure magnetic line of force on magnetic circuit system, and suction is closed dynamic iron core 4 and static iron core 3, simultaneously
Compress reaction spring 6, dynamic iron core 4 pushes the lower push-rod 21 of drive rod 5 and upper push-rod 20 to move upwards jointly；Then on driving
The first conducting block 18 on push rod 20 is contacted with the first conducting rod 14, the second conducting rod 15 forms first group of circuit；It drives simultaneously
The second conducting block 19 on lower push-rod 21 is contacted with third conducting rod 16, the 4th conducting rod 17 forms second group of circuit；Drive rod 5
Up in moving process, then the first compressed spring 27 and the second compressed spring 28 are compressed, makes shape between conducting block and conducting rod
At stable contact.
The better embodiment of the utility model above described embodiment only expresses, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of high voltage direct current relay, including shell, the pedestal in shell, the permanent magnet outside pedestal, by stationary contact
The main contacts of head and moving contact composition, and the biography that the driving moving contact moves up and down to be connected to and disconnect with the static contact
Lever, which is characterized in that the main contacts is equipped with multiple groups, is used to form multiple groups main contacts circuit, further includes metal shell, Gu
Due to bottom in the shell；The metal shell is externally provided with coil；
Set on the static iron core of metal shell internal upper part, inside there is guide groove, passed through for drive rod, the static iron core bottom is equipped with
Bellmouth；It set on the intracorporal dynamic iron core of metal-back, is fixedly connected with one end of the drive rod, top setting is tapered
Top；The taper top of the dynamic iron core and the bellmouth of the static iron core match；
Reaction spring is set between the dynamic iron core taper top and the static iron core bellmouth in gap, and is set in institute
State drive rod periphery.
2. high voltage direct current relay according to claim 1, which is characterized in that the main contacts is equipped with two groups, respectively
First main contacts and the second main contacts form double main contacts loop high-voltage DC relays.
3. high voltage direct current relay according to claim 2, which is characterized in that the drive rod is by upper push-rod and lower push-rod
It is connected and composed by insulated connecting rod.
4. high voltage direct current relay according to claim 3, which is characterized in that first main contacts includes the first dynamic touching
Point and the first stationary contact, first movable contact are the first conducting block, are set to the top of the upper push-rod, first stationary contact
Point includes the first conducting rod and the second conducting rod being symmetrically disposed on pedestal；Second main contacts include the second movable contact and
Second stationary contact, second movable contact are the second conducting block, and set on the top of the lower push-rod, second stationary contact includes
The third conducting rod and the 4th conducting rod being symmetrically disposed on pedestal.
5. high voltage direct current relay according to claim 4, which is characterized in that its top of first conducting block is provided with
It is fixed on the first retainer ring of upper push-rod, is equipped with the first washer for being fixed on upper push-rod below, first washer is led with first
The first compressed spring is provided between electric block；Its top of second conducting block is provided with the second retainer ring for being fixed on lower push-rod,
It is equipped with the second packing ring for being fixed on lower push-rod below, the second compression bullet is provided between the second packing ring and the second conducting block
Spring.
6. high voltage direct current relay according to claim 1 or 5, which is characterized in that be arranged with line outside the metal shell
Axis is used for coil windings.
7. high voltage direct current relay according to claim 6, which is characterized in that be provided with outside the metal shell and spool
Metal shell, spool and coil are integrally wrapped in inside it by metal cap, the metal cap.
8. high voltage direct current relay according to claim 7, which is characterized in that the reel bottom is equipped with supporting element,
It is sheathed on the metal shell periphery, support fixed function is risen to the spool.
9. high voltage direct current relay according to claim 8, which is characterized in that the pedestal is equipped with clamping ring, by base
Seat is connect with metal cap, forms closed arc-chutes space.
10. according to claim 1 or high voltage direct current relay described in 9, which is characterized in that be equipped with exhaust at the top of the pedestal
Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821502843.1U CN208938893U (en) | 2018-09-14 | 2018-09-14 | A kind of high voltage direct current relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821502843.1U CN208938893U (en) | 2018-09-14 | 2018-09-14 | A kind of high voltage direct current relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208938893U true CN208938893U (en) | 2019-06-04 |
Family
ID=66720954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821502843.1U Active CN208938893U (en) | 2018-09-14 | 2018-09-14 | A kind of high voltage direct current relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208938893U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111755267A (en) * | 2020-06-29 | 2020-10-09 | 国网北京市电力公司 | Device for direct current loop of charger |
| CN115274361A (en) * | 2022-09-26 | 2022-11-01 | 江苏邦翰信息科技有限公司 | Relay for line safety protection of dynamic environment monitoring distribution room |
-
2018
- 2018-09-14 CN CN201821502843.1U patent/CN208938893U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111755267A (en) * | 2020-06-29 | 2020-10-09 | 国网北京市电力公司 | Device for direct current loop of charger |
| CN111755267B (en) * | 2020-06-29 | 2022-05-17 | 国网北京市电力公司 | Device for direct current loop of charger |
| CN115274361A (en) * | 2022-09-26 | 2022-11-01 | 江苏邦翰信息科技有限公司 | Relay for line safety protection of dynamic environment monitoring distribution room |
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