CN109637900B - Synchronous electromagnetic relay with double-contact assemblies - Google Patents
Synchronous electromagnetic relay with double-contact assemblies Download PDFInfo
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- CN109637900B CN109637900B CN201910040688.9A CN201910040688A CN109637900B CN 109637900 B CN109637900 B CN 109637900B CN 201910040688 A CN201910040688 A CN 201910040688A CN 109637900 B CN109637900 B CN 109637900B
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- contact
- plate body
- electromagnet
- static
- arc
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- 230000000712 assembly Effects 0.000 title claims abstract description 33
- 238000000429 assembly Methods 0.000 title claims abstract description 33
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 claims abstract description 5
- 230000003068 static effect Effects 0.000 claims description 50
- 238000000926 separation method Methods 0.000 claims description 11
- 239000012212 insulator Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims 9
- 238000005299 abrasion Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The invention relates to the technical field of relays, and particularly discloses a double-contact assembly synchronous electromagnetic relay which comprises an insulating body, an electromagnet and two contact assemblies, wherein the electromagnet and the two contact assemblies are arranged on the insulating body; the electromagnetic iron comprises an electromagnet, and is characterized by further comprising an armature arranged on the electromagnet in a rotating way, wherein the armature comprises a first plate body and a second plate body bent and extended from the first plate body, the connection part of the first plate body and the second plate body is arranged on the electromagnet in a rotating way, and the second plate body is connected with an insulating block; the movable terminal comprises a fixed foot arranged on the insulating body and an elastic part arranged on the fixed foot; when in actual use, the electromagnet moves along with the insulating block through the driving armature, and the arc-shaped strip of the moving insulating block props against the elastic parts of the two contact assemblies to synchronously move, so that the synchronous action of the two contact assemblies is realized, and the service performance of the relay is improved.
Description
Technical Field
The invention relates to the technical field of relays, and particularly discloses a double-contact assembly synchronous electromagnetic relay.
Background
The relay is one of automatic switches of various electric control circuits, and in the actual use process of the relay, the same electric control circuit is often required to be provided with a plurality of relays, and in order to reduce the use cost of the relay, the relay provided with a plurality of terminal assemblies is applied, but the relay provided with a plurality of terminal assemblies in the prior art is unreasonable in structural design, and the plurality of terminal assemblies of the same relay cannot synchronously act, so that the regulation and control of the electric control circuit are inconvenient, and the relay is extremely inconvenient to use.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide the double-contact assembly synchronous electromagnetic relay, an electromagnet moves along with an insulating block through a driving armature, and an arc-shaped strip of the moving insulating block props against elastic parts of two contact assemblies to synchronously move, so that synchronous action of the two contact assemblies is realized, and the service performance of the relay is improved.
In order to achieve the above object, the invention provides a dual-contact assembly synchronous electromagnetic relay, which comprises an insulating body, an electromagnet and two contact assemblies, wherein the electromagnet and the two contact assemblies are arranged on the insulating body, and each contact assembly comprises a static terminal and a dynamic terminal which are arranged on the insulating body; the electromagnetic iron comprises an electromagnet, and is characterized by further comprising an armature which is rotationally arranged on the electromagnet, wherein the armature is L-shaped and comprises a first plate body and a second plate body which is bent and extended from the first plate body, the connection part of the first plate body and the second plate body is rotationally arranged on the electromagnet, the electromagnet is used for attracting the first plate body, the second plate body is connected with an insulating block, and the insulating block is provided with an arc-shaped strip; the movable terminal comprises a fixed foot arranged on the insulating body and an elastic part arranged on the fixed foot; the arc-shaped outer surface of the arc-shaped strip is used for abutting against the elastic parts of the two contact assemblies.
Preferably, the number of the static terminals of each contact assembly is two, the two static terminals of the same contact assembly are provided with static contacts parallel to each other, the elastic part of the movable terminal of the same contact assembly is positioned between the static contacts of the two static terminals and is used for contacting and conducting the static contact of one static terminal, the electromagnet drives the armature to move along with the insulating block, and the arc-shaped strip of the moving insulating block props against the elastic part to enable the elastic part to conduct the static contact of the other static terminal.
Preferably, the movable terminal further comprises a movable contact, the movable contact comprises two contact parts and a connecting part for connecting the two contact parts, the two contact parts are arranged in parallel, the movable contact is arranged on the elastic part through the connecting part, the two contact parts are respectively located on two sides of the elastic part, and the two contact parts are used for respectively conducting the fixed contacts of the two fixed terminals of the same contact assembly.
Preferably, the free end of the elastic part is provided with two fork feet, the two fork feet are provided with moving contacts, and the fork feet are used for connecting the connecting parts of the moving contacts.
Preferably, the insulating body is provided with a reset piece, the reset piece is provided with an elastic sheet, and the elastic sheet is used for abutting the joint of the first plate body and the second plate body to press and hold the armature on the electromagnet.
Preferably, a smooth arc surface is arranged at the joint of the first plate body and the second plate body, and the elastic piece is used for abutting against the smooth arc surface.
Preferably, the dual-contact assembly synchronous electromagnetic relay further comprises a plastic shell, wherein the plastic shell is sleeved on the outer side of the insulating body, the plastic shell is provided with a holding blind cavity and a separation plate positioned in the holding blind cavity, the insulating body is held in the holding blind cavity, the separation plate protrudes into the space between the two contact assemblies, and the separation plate is used for separating the two contact assemblies.
Preferably, two static terminals of the same contact assembly are provided with parallel flat plate parts, the static contact is arranged at one side of the flat plate parts of the two static terminals of the same contact assembly, which is close to each other, and the static contact is used for conducting the moving contact of the two fork pins.
Preferably, the fixed contact is provided with an arc-shaped outer convex surface, the contact part is provided with an arc-shaped inner concave surface, and when the moving contact is in contact conduction with the fixed contact, the arc-shaped outer convex surface is accommodated in the arc-shaped inner concave surface.
Preferably, the flat plate part is provided with a groove, the static contact is riveted on the flat plate part, and the static contact is provided with a protruding strip protruding into the groove.
The invention has the beneficial effects that: when in actual use, the electromagnet moves along with the insulating block through the driving armature, and the arc-shaped strip of the moving insulating block props against the elastic parts of the two contact assemblies to synchronously move, so that the synchronous action of the two contact assemblies is realized, and the service performance of the relay is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of an exploded construction of the present invention;
fig. 3 is an exploded view of the contact assembly of the present invention;
fig. 4 is a schematic perspective view of a plastic shell according to the present invention.
The reference numerals include:
1-insulator 2-electromagnet 3-contact assembly
4-static terminal 5-moving terminal 6-armature
7-first plate 8-second plate 9-insulating block
11-arc-shaped strip 12-fixed leg 13-elastic part
14-fixed contact 15-moving contact 16-contact part
17-connecting part 18-fork leg 19-resetting piece
21-elastic sheet 22-smooth arc surface 23-plastic shell
24-accommodating blind cavity 25-isolating plate 26-flat plate part
27-arc-shaped outer convex surface 28-protruding strip.
Detailed Description
The present invention will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.
Referring to fig. 1 to 4, the dual-contact assembly synchronous electromagnetic relay of the present invention includes an insulating body 1, an electromagnet 2 disposed on the insulating body 1, and two contact assemblies 3, each contact assembly 3 including a stationary terminal 4 and a movable terminal 5 disposed on the insulating body 1; the electromagnetic iron comprises an electromagnet 2, and is characterized by further comprising an armature 6 rotatably arranged on a yoke of the electromagnet 2, wherein the armature 6 is L-shaped, the armature 6 comprises a first plate body 7 and a second plate body 8 bent and extended from the first plate body 7, the joint of the first plate body 7 and the second plate body 8 is rotatably arranged on the yoke of the electromagnet 2, the electromagnet 2 is used for attracting the first plate body 7, the tail end of the second plate body 8 is connected with an insulating block 9, the insulating block 9 is provided with an arc-shaped strip 11, and the arc-shaped strip 11 is arranged on the insulating block in a protruding mode from the outer surface of the insulating block; the movable terminal 5 comprises a fixed leg 12 arranged on the insulating body 1 and an elastic part 13 arranged on the fixed leg 12; the arcuate outer surface of the arcuate strip 11 is adapted to abut against the resilient portions 13 of the two contact assemblies 3.
During actual use, the electromagnet 2 moves along with the insulating block 9 through the driving armature 6, and the arc-shaped strip 11 of the moving insulating block 9 props against the elastic parts 13 of the two contact assemblies 3 to enable the elastic parts 13 of the two contact assemblies 3 to synchronously move, so that synchronous action of the two contact assemblies 3 is realized, and the service performance of the relay is improved. When the insulating block 9 drives the elastic parts 13 of the two contact assemblies 3 to move, the arc-shaped outer surfaces of the arc-shaped strips 11 and the elastic parts 13 roll relatively, compared with the plane of the arc-shaped strips 11 which is abutted against the elastic parts 13, the abrasion between the insulating block 9 and the elastic parts 13 is reduced, the friction force between the insulating block 9 and the elastic parts is reduced, and the service lives of the insulating block and the elastic parts are prolonged.
The number of the static terminals 4 of each contact assembly 3 is two, the two static terminals 4 of the same contact assembly 3 are provided with static contacts 14 which are spaced from each other and are arranged in parallel, the elastic part 13 of the movable terminal 5 of the same contact assembly 3 is positioned between the static contacts 14 of the two static terminals 4, the elastic part 13 is limited by the static contacts 14 of the two static terminals 4, the elastic part 13 is prevented from moving beyond a stroke and cannot be normally used, the elastic part 13 is used for contacting and conducting the static contacts 14 of one static terminal 4, the electromagnet 2 drives the armature 6 to move along with the insulating block 9, and the arc-shaped strip 11 of the movable insulating block 9 abuts against the elastic part 13 to enable the elastic part 13 to conduct the static contacts 14 of the other static terminal 4.
The movable terminal 5 further comprises a movable contact 15, the movable contact 15 comprises two contact portions 16 and a connecting portion 17 for connecting the two contact portions 16, the two contact portions 16 are arranged at intervals and in parallel, the connecting portion 17 is located between the two contact portions 16, the movable contact 15 is arranged at the tail end of the elastic portion 13 through the connecting portion 17, the two contact portions 16 are located at two sides of the elastic portion 13 respectively, and the two contact portions 16 are used for conducting the fixed contacts 14 of the two fixed terminals 4 of the same contact assembly 3 respectively.
The free end of the elastic part 13 is provided with two fork legs 18, the two fork legs 18 are provided with moving contacts 15, and the fork legs 18 are used for connecting the connecting parts 17 of the moving contacts 15. Compared with the elastic part 13, the contact assembly 3 is provided with only one moving contact 15, so that the moving contact 15 is prevented from being deformed and the static terminal 4 cannot be normally conducted, and the conduction stability of the contact assembly 3 is ensured.
The insulator 1 is provided with the piece that resets 19, and the piece that resets 19 is equipped with the elastic sheet 21, and in this embodiment, the piece that resets 19 adopts the sheetmetal punching press to form, and the elastic sheet 21 tears the bending type from the middle part of piece that resets 19 and forms, and the elastic sheet 21 is used for contradicting and holds armature 6 pressure on the yoke of electro-magnet 2 in the junction of first plate body 7 and second plate body 8, avoids armature 6 and the yoke separation of electro-magnet 2 and can't normally use.
The junction of the first plate body 7 and the second plate body 8 is provided with a smooth arc surface 22, the smooth arc surface 22 is positioned at one side of the armature 6 far away from the yoke iron of the electromagnet 2, and the elastic piece 21 is used for abutting against the smooth arc surface 22. When the electromagnet 2 drives the armature 6 to rotate, the smooth arc surface 22 and the elastic piece 21 relatively roll, friction force between the smooth arc surface 22 and the elastic piece is reduced, abrasion between the smooth arc surface and the elastic piece is delayed, and service life between the smooth arc surface and the elastic piece is prolonged.
The double-contact assembly synchronous electromagnetic relay further comprises a plastic shell 23, the plastic shell 23 is sleeved on the outer side of the insulating body 1, the plastic shell 23 is provided with a containing blind cavity 24 and a separation plate 25 located in the containing blind cavity 24, the containing blind cavity 24 does not penetrate through the plastic shell 23, the insulating body 1 is contained in the containing blind cavity 24, the separation plate 25 protrudes into the space between the two contact assemblies 3, the separation plate 25 is used for separating the two contact assemblies 3 so that the two contact assemblies 3 cannot touch each other to interfere, and stability of service performance of the relay is improved.
The two static terminals 4 of the same contact assembly 3 are provided with mutually parallel flat plate parts 26, the static contact 14 is arranged on one side, close to each other, of the flat plate parts 26 of the two static terminals 4 of the same contact assembly 3, the static contact 14 is used for conducting the moving contact 15 of the two fork legs 18, preferably, the static contact 14 and the contact part 16 are arranged in a crossing manner, and in the contact conduction process of the elastic part 13 and the static terminal 4, the static contact 14 and the contact part 16 are ensured to be in accurate and safe contact conduction, and compared with the parallel arrangement of the static contact 14 and the contact part 16, the dislocation of the static contact 14 and the contact part 16 is avoided, so that the contact conduction can not be normally carried out.
The fixed contact 14 is provided with an arc-shaped outer convex surface 27, the arc-shaped outer convex surface 27 is positioned at one side of the fixed contact 14 close to the contact portion 16, the contact portion 16 is provided with an arc-shaped inner concave surface (not shown in the figure), the arc-shaped inner concave surface is positioned at one side of the contact portion 16 close to the fixed contact 14, and when the movable contact 15 is in contact conduction with the fixed contact 14, the arc-shaped outer convex surface 27 is accommodated in the arc-shaped inner concave surface, so that the contact area between the fixed contact 14 and the contact portion 16 is increased, and the stable conduction between the fixed terminal 4 and the movable terminal 5 is ensured; and simultaneously, the probability of generating the tip discharge at the moment of contact or separation of the two is reduced.
The flat plate portion 26 is provided with a groove (not shown in the figure), the fixed contact 14 is riveted on the flat plate portion 26, the fixed contact 14 is provided with a protruding strip 28 protruding into the groove, the fixed contact 14 is ensured to be quickly and accurately mounted on the flat plate portion 26 by utilizing the cooperation of the protruding strip 28 and the groove, and the mounting efficiency of the fixed contact 14 and the flat plate portion 26 is improved.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.
Claims (10)
1. A synchronous electromagnetic relay with double contact assemblies comprises an insulating body, an electromagnet and two contact assemblies, wherein the electromagnet and the two contact assemblies are arranged on the insulating body; the method is characterized in that: the electromagnetic iron comprises an electromagnet, and is characterized by further comprising an armature which is rotationally arranged on the electromagnet, wherein the armature is L-shaped and comprises a first plate body and a second plate body which is bent and extended from the first plate body, the connection part of the first plate body and the second plate body is rotationally arranged on the electromagnet, the electromagnet is used for attracting the first plate body, the second plate body is connected with an insulating block, and the insulating block is provided with an arc-shaped strip; the movable terminal comprises a fixed foot arranged on the insulating body and an elastic part arranged on the fixed foot; the arc-shaped outer surface of the arc-shaped strip is used for abutting against the elastic parts of the two contact assemblies.
2. The dual contact assembly synchronous electromagnetic relay of claim 1, wherein: the number of the static terminals of each contact assembly is two, the two static terminals of the same contact assembly are provided with static contacts which are parallel to each other, the elastic part of the movable terminal of the same contact assembly is positioned between the static contacts of the two static terminals and is used for contacting and conducting the static contact of one static terminal, the electromagnet drives the armature to move together with the insulating block, and the arc-shaped strip of the moving insulating block props against the elastic part to enable the elastic part to conduct the static contact of the other static terminal.
3. The dual contact assembly synchronous electromagnetic relay of claim 2, wherein: the movable terminal further comprises a movable contact, the movable contact comprises two contact parts and a connecting part connected with the two contact parts, the two contact parts are arranged in parallel, the movable contact is arranged on the elastic part through the connecting part, the two contact parts are respectively located on two sides of the elastic part, and the two contact parts are used for respectively conducting the fixed contacts of the two fixed terminals of the same contact assembly.
4. The dual contact assembly synchronous electromagnetic relay of claim 3 wherein: the free end of the elastic part is provided with two fork feet, the two fork feet are provided with moving contacts, and the fork feet are used for connecting the connecting parts of the moving contacts.
5. The dual contact assembly synchronous electromagnetic relay of claim 1, wherein: the insulator is provided with a reset piece, the reset piece is provided with an elastic sheet, and the elastic sheet is used for abutting the joint of the first plate body and the second plate body to press and hold the armature on the electromagnet.
6. The dual contact assembly synchronous electromagnetic relay of claim 5, wherein: the connection part of the first plate body and the second plate body is provided with a smooth arc surface, and the elastic piece is used for abutting against the smooth arc surface.
7. The dual contact assembly synchronous electromagnetic relay of claim 1, wherein: the double-contact assembly synchronous electromagnetic relay further comprises a plastic shell, the plastic shell is sleeved on the outer side of the insulating body, the plastic shell is provided with a holding blind cavity and a separation plate positioned in the holding blind cavity, the insulating body is held in the holding blind cavity, the separation plate protrudes into the space between the two contact assemblies, and the separation plate is used for separating the two contact assemblies.
8. The dual contact assembly synchronous electromagnetic relay of claim 7, wherein: the two static terminals of the same contact assembly are provided with parallel flat plate parts, the static contact is arranged on one side, close to each other, of the flat plate parts of the two static terminals of the same contact assembly, and the static contact is used for conducting the moving contact of the two fork pins.
9. The dual contact assembly synchronous electromagnetic relay of claim 8, wherein: the fixed contact is provided with an arc-shaped outer convex surface, the contact part is provided with an arc-shaped inner concave surface, and when the moving contact is in contact conduction with the fixed contact, the arc-shaped outer convex surface is accommodated in the arc-shaped inner concave surface.
10. The dual contact assembly synchronous electromagnetic relay of claim 8, wherein: the flat plate part is provided with a groove, the fixed contact is riveted on the flat plate part, and the fixed contact is provided with a protruding strip protruding into the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910040688.9A CN109637900B (en) | 2019-01-16 | 2019-01-16 | Synchronous electromagnetic relay with double-contact assemblies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910040688.9A CN109637900B (en) | 2019-01-16 | 2019-01-16 | Synchronous electromagnetic relay with double-contact assemblies |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109637900A CN109637900A (en) | 2019-04-16 |
| CN109637900B true CN109637900B (en) | 2023-11-07 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910040688.9A Active CN109637900B (en) | 2019-01-16 | 2019-01-16 | Synchronous electromagnetic relay with double-contact assemblies |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091725A (en) * | 2014-07-29 | 2014-10-08 | 厦门宏发电力电器有限公司 | Large-current magnetic latching relay, movable contact spring of large-current magnetic latching relay, and contact assembly of large-current magnetic latching relay |
| CN106876217A (en) * | 2017-04-06 | 2017-06-20 | 浙江格蕾特电器股份有限公司 | Double-contact magnetic latching relay |
| CN107452554A (en) * | 2017-08-23 | 2017-12-08 | 三友联众集团股份有限公司 | A kind of vertical relay assembly with datum plate |
| CN206819943U (en) * | 2017-04-14 | 2017-12-29 | 三友联众集团股份有限公司 | A kind of double-contact relay |
| JP2018106943A (en) * | 2016-12-27 | 2018-07-05 | 富士通コンポーネント株式会社 | Electromagnetic relay |
| CN108511272A (en) * | 2018-04-09 | 2018-09-07 | 三友联众集团股份有限公司 | A kind of upright magnetic latching relay of Improvement type |
| CN208315474U (en) * | 2018-04-09 | 2019-01-01 | 三友联众集团股份有限公司 | A kind of upright magnetic latching relay of Improvement type |
-
2019
- 2019-01-16 CN CN201910040688.9A patent/CN109637900B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091725A (en) * | 2014-07-29 | 2014-10-08 | 厦门宏发电力电器有限公司 | Large-current magnetic latching relay, movable contact spring of large-current magnetic latching relay, and contact assembly of large-current magnetic latching relay |
| JP2018106943A (en) * | 2016-12-27 | 2018-07-05 | 富士通コンポーネント株式会社 | Electromagnetic relay |
| CN106876217A (en) * | 2017-04-06 | 2017-06-20 | 浙江格蕾特电器股份有限公司 | Double-contact magnetic latching relay |
| CN206819943U (en) * | 2017-04-14 | 2017-12-29 | 三友联众集团股份有限公司 | A kind of double-contact relay |
| CN107452554A (en) * | 2017-08-23 | 2017-12-08 | 三友联众集团股份有限公司 | A kind of vertical relay assembly with datum plate |
| CN108511272A (en) * | 2018-04-09 | 2018-09-07 | 三友联众集团股份有限公司 | A kind of upright magnetic latching relay of Improvement type |
| CN208315474U (en) * | 2018-04-09 | 2019-01-01 | 三友联众集团股份有限公司 | A kind of upright magnetic latching relay of Improvement type |
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| Publication number | Publication date |
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| CN109637900A (en) | 2019-04-16 |
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