CN214068643U - Relay convenient to contact automated inspection - Google Patents
Relay convenient to contact automated inspection Download PDFInfo
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- CN214068643U CN214068643U CN202023309387.9U CN202023309387U CN214068643U CN 214068643 U CN214068643 U CN 214068643U CN 202023309387 U CN202023309387 U CN 202023309387U CN 214068643 U CN214068643 U CN 214068643U
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Abstract
The utility model relates to the technical field of relays, in particular to a relay convenient for automatic detection of a contact, which comprises an insulator, an electromagnet and a contact unit, wherein the electromagnet is arranged on the insulator, and the contact unit is driven to be switched on or off by the electromagnet through magnetic force; the insulator is provided with a supporting plate, the contact unit comprises a movable terminal, a movable contact arranged on the movable terminal, a static terminal arranged on the supporting plate and a static contact arranged on the static terminal, and the electromagnet is used for driving the movable terminal to move so that the movable contact is in contact with and is switched on the static contact or is separated from the static contact; the supporting plate is provided with a through hole penetrating through the supporting plate, and the through hole is used for exposing the moving contact or/and the static contact; after the relay is manufactured, the relay is detected by means of automatic detection equipment, detection light of the automatic detection equipment is emitted into the through hole, accurate illumination on the contact is achieved, and the detection accuracy of the relay is improved.
Description
Technical Field
The utility model relates to a relay technical field especially discloses a relay convenient to contact automated inspection.
Background
The relay is a precise electronic component, and after the relay is manufactured, the relay needs to be subjected to various detections, for example, the contact of the relay needs to be detected, the structural design of the relay in the prior art is unreasonable, and the contact of the relay often causes detection errors because the relay cannot be accurately illuminated, so that the relay is not beneficial to batch production.
SUMMERY OF THE UTILITY MODEL
In order to overcome shortcoming and not enough that exist among the prior art, the utility model aims to provide a relay convenient to contact automated inspection detects the relay with the help of automatic check out test set, and in the through-hole was penetrated into to automatic check out test set's detection light, the realization was to the accurate illumination of contact, promoted the detection rate of accuracy of relay.
In order to achieve the above object, the utility model discloses a relay convenient to contact automated inspection, including the insulator, set up in electro-magnet and contact unit of insulator, the electro-magnet drives the contact unit with the help of magnetic force and switches on or off; the insulator is provided with a supporting plate, the contact unit comprises a movable terminal, a movable contact arranged on the movable terminal, a static terminal arranged on the supporting plate and a static contact arranged on the static terminal, and the electromagnet is used for driving the movable terminal to move so that the movable contact is in contact with and is switched on the static contact or is separated from the static contact; the supporting plate is provided with a through hole penetrating through the supporting plate, and the through hole is used for exposing the moving contact or/and the static contact.
The quantity of backup pad is two, two backup pad parallel arrangement, and the both ends of static terminal set up respectively in two backup pads, and static contact, moving contact all are located between two backup pads.
The number of the static terminals is two, the two static terminals are both provided with static contacts, and the static contacts are positioned on one sides of the two static terminals close to each other; the quantity of moving contact is two, and two moving contacts set up respectively in the both sides that move the terminal and keep away from each other, and two moving contacts all are located between the static contact of two quiet terminals, move the terminal and are used for switching on a quiet terminal, and two moving contacts are used for switching on the static contact of two quiet terminals.
The two static terminals are respectively a normally closed terminal and a normally open terminal, and the outer diameter of a static contact of the normally closed terminal is larger than that of the static contact of the normally open terminal; the outer diameter of the moving contact communicated with the static contact of the normally closed terminal is larger than that of the moving contact communicated with the static contact of the normally open terminal; the structure of the moving contact communicated with the static contact of the normally closed terminal is the same as that of the static contact of the normally closed terminal; the structure of the moving contact which is conducted with the static contact of the normally open terminal is the same as that of the static contact of the normally open terminal.
The number of the through holes is two, one through hole is used for exposing one static contact and one moving contact, and the other through hole is used for exposing the other static contact and the other moving contact.
The electromagnet further comprises a yoke iron arranged on the insulator and a welding leg arranged on the yoke iron, one end of the moving terminal is arranged on the yoke iron, the moving contact is arranged at the other end of the moving terminal, an armature is arranged in the middle of the moving terminal, and the magnetic force of the electromagnet attracts the armature to enable the moving terminal to drive the moving contact to move.
The electromagnetic coil and the yoke are respectively positioned on two sides of the insulating spacer, and the insulating spacer is used for isolating the electromagnetic coil and the yoke.
The insulator is provided with two clamping grooves, and two ends of the insulating spacer are respectively inserted into the two clamping grooves.
The utility model has the advantages that: after the relay is manufactured, the relay is detected by means of automatic detection equipment, detection light of the automatic detection equipment is emitted into the through hole, accurate illumination on the contact is achieved, and the detection accuracy of the relay is improved.
Drawings
Fig. 1 is a schematic diagram of the explosion structure of the present invention;
fig. 2 is a schematic structural view of the insulating shell of the present invention after being separated from the insulator;
fig. 3 is a schematic structural view of the insulator, electromagnet and contact unit of the present invention;
fig. 4 is a schematic structural view of an electromagnet and a contact unit according to the present invention;
fig. 5 is a schematic structural view of the insulator of the present invention;
fig. 6 is a schematic structural view of another view angle of the insulator according to the present invention.
The reference numerals include:
1-insulator 2-electromagnet 3-contact unit
4-support plate 5-moving terminal 6-moving contact
7-static terminal 8-static contact 9-through hole
11-yoke 12-welding leg 13-armature
14-insulating shell 15-electromagnetic coil 16-insulating spacer
17-card slot.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.
Referring to fig. 1 to 6, a relay convenient for automatic detection of a contact according to the present invention includes an insulator 1, an electromagnet 2 mounted on the insulator 1, and a contact unit 3, wherein the electromagnet 2 drives the contact unit 6 to turn on or off by means of magnetic force, and the contact unit 3 is provided with a magnetic force.
The insulator 1 is provided with a support plate 4, the support plate 4 is a substantially rectangular flat plate, the contact unit 3 comprises a movable terminal 5, a movable contact 6 arranged on the movable terminal 5, a fixed terminal 7 arranged on the support plate 4, and a fixed contact 8 arranged on the fixed terminal 7, and the electromagnet 2 is used for driving the movable terminal 5 to move so that the movable contact 6 is in contact with and is switched on the fixed contact 8 or is separated from and switched off from the fixed contact 8.
The supporting plate 4 is provided with a through hole 9 penetrating through the supporting plate 4, the through hole 9 penetrates through the supporting plate 4 along the thickness direction of the supporting plate 4, and the through hole 9 is used for exposing the movable contact 6 or/and the static contact 8.
After the relay is manufactured, the relay is detected by means of automatic detection equipment, detection light of the automatic detection equipment is emitted into the through hole 9, accurate illumination on the contact is achieved, the camera shooting unit of the automatic detection equipment shoots an image of the illuminated contact, the camera shooting unit shoots an image by means of the movement of the automatic detection equipment, and the detection accuracy of the relay is improved.
In this embodiment, the number of the supporting plates 4 is two, the two supporting plates 4 are spaced from each other and are arranged in parallel, two ends of the static terminal 7 are respectively arranged on the two supporting plates 4, and the static contact 8 and the moving contact 6 are both located between the two supporting plates 4. By means of the arrangement of the two supporting plates 4, the two ends of the static terminal 7 are stably positioned, the static terminal 7 is stably arranged on the insulator 1, and poor use caused by position change of the static terminal 7 due to the fact that the movable contact 6 collides with the static terminal 7 is reduced.
The number of the static terminals 7 is two, the two static terminals 7 are arranged at intervals and in parallel, the two static terminals 7 are provided with static contacts 8, the static contacts 8 are riveted on the static terminals 7 according to actual needs, and the static contacts 8 are located on one sides, close to each other, of the two static terminals 7.
The quantity of moving contact 6 is two, and two moving contacts 6 set up respectively on the both sides that move terminal 5 and keep away from each other, and two moving contacts 6 all are located between the static contact 8 of two static terminals 7, move terminal 5 and are used for switching on a static terminal 7, and two moving contacts 6 are used for switching on the static contact 8 of two static terminals 7.
In the using process of the relay, after the electromagnet 2 is electrified, the magnetic force of the electromagnet 2 drives the movable terminal 5 to enable the movable terminal 5 to move, the movable terminal 5 is elastically deformed, and one movable contact 6 of the movable terminal 5 is conducted with a fixed contact 8 of one fixed terminal 7. When the electromagnet 2 loses power, the electromagnet 2 loses magnetic force, the movable terminal 5 drives the movable terminal 5 to reset under the action of elastic restoring force, and the other movable contact 6 of the reset movable terminal 5 is in contact with and conducts a static contact 8 of the other static terminal 7.
The two static terminals 7 are respectively a normally closed terminal and a normally open terminal, and the outer diameter of a static contact 8 of the normally closed terminal is larger than that of the static contact 8 of the normally open terminal; the outer diameter of the moving contact 6 communicated with the static contact 8 of the normally closed terminal is larger than that of the moving contact 6 communicated with the static contact 8 of the normally open terminal; the structure of the moving contact 6 communicated with the static contact 8 of the normally closed terminal is the same as that of the static contact 8 of the normally closed terminal; the structure of the moving contact 6 which is conducted with the static contact 8 of the normally open terminal is the same as that of the static contact 8 of the normally open terminal.
Because the normally closed terminal needs to be in a contact conduction state with the movable terminal 5 for a long time, the outer diameter of the fixed contact 8 of the normally closed terminal and the outer diameter of the movable contact 6 conducted with the fixed contact 8 of the normally closed terminal are increased, the contact area between the fixed contact 8 of the normally closed terminal and the movable contact 6 conducted with the fixed contact 8 of the normally closed terminal is increased, and the contact conduction stability of the normally closed terminal and the movable terminal 5 is ensured.
The number of the through holes 9 is two, reinforcing ribs are formed between the two through holes 9, the strength of the support plate 4 is enhanced by the reinforcing ribs, the service life of the support plate 4 is prolonged, and the stability of the support plate 4 for fixing the static terminal 7 is ensured. One through hole 9 is used for exposing one static contact 8 and one movable contact 6, and the other through hole 9 is used for exposing the other static contact 8 and the other movable contact 6. During the in-service use, automatic check out test set's detection light jets into two thru holes 9 one by one to the realization is to the stable accurate illumination of the contact that two thru holes 9 show.
The electromagnet 2 further comprises a yoke 11 arranged on the insulator 1 and a welding leg 12 arranged on the yoke 11, one end of the movable terminal 5 is arranged on the yoke 11, the movable contact 6 is arranged at the other end of the movable terminal 5, an armature 13 is arranged in the middle of the movable terminal 5, and the armature 13 is attracted by the magnetic force of the electromagnet 2 so that the movable terminal 5 drives the movable contact 6 to move.
After the electromagnet 2 is electrified, the magnetic force of the electromagnet 2 attracts the armature 13, so that the armature 13 moves, and the armature 13 drives the moving terminal 5 to move when moving, so that the moving terminal 5 generates elastic deformation, and the moving terminal 5 can drive the moving contact 6 to contact with the static contact 8 of the static terminal 7 or separate from the static contact 8.
The electromagnetic contactor further comprises an insulating shell 14 used for covering the insulator 1, the electromagnet 2 is provided with an electromagnetic coil 15, the insulating shell 14 is provided with a containing blind groove and an insulating spacer 16 located in the containing blind groove, the insulating shell 14 is formed by injection molding through an injection mold, the insulating shell 14 and the insulating spacer 16 are of an integrated structure, the containing blind groove is used for containing the electromagnet 2 and the contact unit 3, the electromagnetic coil 15 and the yoke 11 are located on two sides of the insulating spacer 16 respectively, and the insulating spacer 16 is used for isolating the electromagnetic coil 15 and the yoke 11.
The insulating spacer 16 is used for isolating and separating the yoke 11 and the electromagnetic coil 15, the creepage distance between the yoke 11 and the electromagnetic coil 15 is increased, on one hand, interference between the yoke and the electromagnetic coil is avoided when the electromagnetic coil is used, on the other hand, short circuit caused by current breakdown is avoided, the service life of the relay is prolonged, and the stability of the use performance of the relay is improved.
The insulator 1 is provided with two clamping grooves 17, and two ends of the insulating spacer 16 are respectively inserted into the two clamping grooves 17. The inner groove surface of the clamping groove 17 is blocked and abutted against the insulating spacer 16, and the two ends of the insulating spacer 16, which are far away from each other, are respectively limited by the two clamping grooves 17, so that the insulating spacer 16 is stably arranged on the insulator 1, and the phenomenon that the insulating spacer 16 moves relative to the insulator 1 to cause the isolation failure of the yoke 11 and the electromagnetic coil 15 is avoided.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (8)
1. A relay convenient for automatic detection of a contact comprises an insulator, an electromagnet and a contact unit, wherein the electromagnet is arranged on the insulator, and the contact unit is driven to be switched on or off by the electromagnet through magnetic force; the method is characterized in that: the insulator is provided with a supporting plate, the contact unit comprises a movable terminal, a movable contact arranged on the movable terminal, a static terminal arranged on the supporting plate and a static contact arranged on the static terminal, and the electromagnet is used for driving the movable terminal to move so that the movable contact is in contact with and is switched on the static contact or is separated from the static contact; the supporting plate is provided with a through hole penetrating through the supporting plate, and the through hole is used for exposing the moving contact or/and the static contact.
2. The relay for facilitating automatic detection of contacts of claim 1, wherein: the quantity of backup pad is two, two backup pad parallel arrangement, and the both ends of static terminal set up respectively in two backup pads, and static contact, moving contact all are located between two backup pads.
3. The relay for facilitating automatic detection of contacts of claim 1, wherein: the number of the static terminals is two, the two static terminals are both provided with static contacts, and the static contacts are positioned on one sides of the two static terminals close to each other; the quantity of moving contact is two, and two moving contacts set up respectively in the both sides that move the terminal and keep away from each other, and two moving contacts all are located between the static contact of two quiet terminals, move the terminal and are used for switching on a quiet terminal, and two moving contacts are used for switching on the static contact of two quiet terminals respectively.
4. The relay for facilitating automatic detection of contacts of claim 3, wherein: the two static terminals are respectively a normally closed terminal and a normally open terminal, and the outer diameter of a static contact of the normally closed terminal is larger than that of a static contact of the normally open terminal; the outer diameter of the moving contact communicated with the static contact of the normally closed terminal is larger than that of the moving contact communicated with the static contact of the normally open terminal; the structure of the moving contact communicated with the static contact of the normally closed terminal is the same as that of the static contact of the normally closed terminal; the structure of the moving contact which is conducted with the static contact of the normally open terminal is the same as that of the static contact of the normally open terminal.
5. The relay for facilitating automatic detection of contacts of claim 1, wherein: the number of the through holes is two, one through hole is used for exposing one static contact and one moving contact, and the other through hole is used for exposing the other static contact and the other moving contact.
6. The relay for facilitating automatic detection of contacts of claim 1, wherein: the electromagnet further comprises a yoke iron arranged on the insulator and a welding leg arranged on the yoke iron, one end of the moving terminal is arranged on the yoke iron, the moving contact is arranged at the other end of the moving terminal, an armature is arranged in the middle of the moving terminal, and the magnetic force of the electromagnet attracts the armature to enable the moving terminal to drive the moving contact to move.
7. The relay for facilitating automatic detection of contacts of claim 6, wherein: the electromagnetic coil and the yoke are respectively positioned on two sides of the insulating spacer, and the insulating spacer is used for isolating the electromagnetic coil and the yoke.
8. The relay for facilitating automatic detection of contacts of claim 7, wherein: the insulator is provided with two clamping grooves, and two ends of the insulating spacer are respectively inserted into the two clamping grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023309387.9U CN214068643U (en) | 2020-12-31 | 2020-12-31 | Relay convenient to contact automated inspection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023309387.9U CN214068643U (en) | 2020-12-31 | 2020-12-31 | Relay convenient to contact automated inspection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214068643U true CN214068643U (en) | 2021-08-27 |
Family
ID=77368261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023309387.9U Active CN214068643U (en) | 2020-12-31 | 2020-12-31 | Relay convenient to contact automated inspection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214068643U (en) |
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2020
- 2020-12-31 CN CN202023309387.9U patent/CN214068643U/en active Active
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