CN214254285U

CN214254285U - Automatic detection coil insulation type electromagnetic relay

Info

Publication number: CN214254285U
Application number: CN202120344205.7U
Authority: CN
Inventors: 刘振伟
Original assignee: Sanyou Corp Ltd
Current assignee: Sanyou Corp Ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-09-21
Anticipated expiration: 2031-02-07

Abstract

The utility model relates to the technical field of relays, in particular to an automatic detection coil insulation type electromagnetic relay, which comprises a base, an electromagnetic coil and a reset spring plate, wherein the electromagnetic coil and the reset spring plate are arranged on the base, the base is provided with an armature near the top of the electromagnetic coil in a rotating way, the electromagnetic coil is used for driving the armature to rotate, the reset spring plate is used for driving the armature to recover the original position, one end of the armature is provided with a contact component, the base is provided with a baffle plate, the baffle plate is provided with a channel baffle plate, the base is internally provided with a plurality of baffle plates, the inner space of the base is divided into a plurality of compartments by the plurality of baffle plates, the plurality of compartments are provided with a first terminal group and a second terminal group, an insulation gap is arranged between the two adjacent baffle plates, the electromagnetic coil drives the contact component to be closed or disconnected with the first terminal group and the second terminal group by attracting or repelling the armature, the outer part of the base is provided with a shell, the electromagnetic coil comprises a framework, the iron core is arranged in the framework, the coil is arranged outside the framework, and the base, the shell and the framework are made of insulating flame-retardant plastics.

Description

Automatic detection coil insulation type electromagnetic relay

Technical Field

The utility model relates to a relay technical field especially relates to an automatic detect insulating type electromagnetic relay of coil.

Background

An electromagnetic relay is an electronic control device, which has a control system (also called input loop) and a controlled system (also called output loop), and is usually applied in an automatic control circuit, and it is an 'automatic switch' that actually uses the on-off of low-voltage and low-current circuits to control high-voltage and high-current, so that it plays the role of automatic regulation, safety protection, switching circuit, etc. in the circuit. Current relay is in the in-service use process, often can meet the instantaneous high-voltage condition, the electric current in the relay this moment is very big, the voltage is higher, if relay insulating properties and dielectric strength are not enough, then can cause input circuit and output circuit short circuit in the relay, cause the relay to damage, current relay is to miniaturizing increasingly simultaneously, the development becomes more meticulous, receive the structure, the appearance, the function, the influence of factors such as production technology and cost, its inside circuit element interval is less, if only rely on air insulation, then hardly satisfy its requirement to insulating properties and dielectric strength, and then can influence the normal work of relay and cause very big potential safety hazard to a certain extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art not enough, provide an automatic detect insulating type electromagnetic relay of coil, compact structure and reasonable in design form different insulation system on the base, and space utilization is high to the different terminal of separation forms higher grade insulating properties, divides disconnected arc extinguishing quick reliable, improves the insulating properties and the safety in utilization performance of relay.

In order to achieve the above object, the utility model discloses an automatic detection coil insulation type electromagnetic relay, including the base, install in the solenoid and the shell fragment that resets of base, the top that the base is close to solenoid is rotated and is provided with armature, solenoid is used for driving armature to rotate, the shell fragment that resets is used for driving armature recovery normal position, the one end of armature is provided with contact module, the base is provided with and separates the baffle, it is used for the separation to separate solenoid and contact module to separate the baffle, it is provided with the passageway baffle to separate the baffle, it sets up with the passageway baffle is perpendicular to separate the baffle, be provided with a plurality of baffle in the base, a plurality of baffles separate into a plurality of compartments with the inner space of base, and a first terminal group and a second terminal group have been installed to a plurality of compartments, are provided with insulating clearance between two adjacent baffles, solenoid orders about contact module and first terminal group, a plurality of compartments through attracting or repelling armature, The closed or disconnection between the second terminal group, the shell has been installed to the outside of base, solenoid includes the skeleton, the built-in iron core that is equipped with of skeleton, the skeleton is equipped with the coil outward, base, shell and skeleton all adopt insulating fire-retardant plastics to make.

Preferably, the base is provided with a circuit board, the circuit board is provided with a positive plate and a negative plate which protrude out of the base, the positive plate and the negative plate are used for conducting an external power supply, the circuit board is provided with a rectifier bridge and a piezoresistor, the piezoresistor is connected in parallel to the rectifier bridge, and the output end of the rectifier bridge is connected with the electromagnetic coil.

Preferably, the framework comprises a first assembling plate, a hollow column and a second assembling plate which are integrally formed, the coil is wound on the hollow column, the first assembling plate is provided with a clamping groove and a stop block which is arranged opposite to the clamping groove, the clamping groove and the stop block are clamped with the circuit board, the second assembling plate is provided with a connecting groove, and two sides of the second assembling plate are provided with limit blocks.

Preferably, the two ends of the partition board are provided with clamping blocks, a clamping groove is formed between the two clamping blocks, the clamping blocks and the partition board are integrally formed, and the first terminal group and the second terminal group are correspondingly connected with the clamping groove.

Preferably, a yoke is arranged between the base and the contact component, the yoke is of an L-shaped structure, the top of the yoke is connected with the armature, a connecting convex block which is connected with the connecting groove in a matched mode is arranged at the bottom of the yoke, positioning clamping grooves are formed in two sides of the yoke, and a positioning clamping plate which is connected with the positioning clamping grooves in a matched mode is arranged on the base.

Preferably, the contact assembly comprises a pushing seat, the pushing seat is provided with a first elastic spring and a second elastic spring, the first elastic spring and the second elastic spring have the same structure, and the end part of the first elastic spring is provided with a first moving contact and a second moving contact.

Preferably, the first terminal group and the second terminal group have the same structure, the first terminal group includes a first Z-shaped terminal and a second Z-shaped terminal, the first Z-shaped terminal and the second Z-shaped terminal are respectively provided with a first assembly hole and a second assembly hole, the first assembly hole and the second assembly hole are respectively connected with a first fixed contact and a second fixed contact, and the first fixed contact and the second fixed contact are respectively arranged opposite to the first moving contact and the second moving contact.

Preferably, a first connection hole is formed in the partition, the plurality of Z-shaped terminals of the first terminal group and the second terminal group correspondingly penetrate through the plurality of first connection holes and then protrude out of the base, and a plurality of partition strips for separating the plurality of first connection holes are arranged at the bottom of the base.

Preferably, the inner wall of the housing is provided with a positioning ridge plate, the pushing seat is provided with a positioning groove connected with the positioning ridge plate, and the positioning ridge plate passes through the positioning groove and then is inserted and stopped in the channel partition plate.

Preferably, the top of shell is provided with the mounting hole that is used for cooperating external bolt, the both sides of base all are provided with the fixture block, the both sides of shell all are provided with the card hole that is used for holding the fixture block.

The utility model has the advantages that: the utility model provides an automatic insulating type electromagnetic relay of detection coil, includes the base, installs in the solenoid and the shell fragment that resets of base, the top that the base is close to solenoid rotates and is provided with armature, solenoid is used for driving armature and rotates, the shell fragment that resets is used for driving armature and resumes the normal position, the one end of armature is provided with contact module, the base is provided with at a distance from the baffle, it is used for the separation to separate solenoid and contact module to separate the baffle, it is provided with the passageway baffle to separate the baffle, it sets up with the passageway baffle is perpendicular to separate the baffle, be provided with a plurality of baffle in the base, a plurality of baffles separate into a plurality of compartments with the inner space of base, and first terminal group and second terminal group have been installed to a plurality of compartments, are provided with insulating clearance between two adjacent baffles, solenoid orders about contact module and first terminal group through attracting or repelling armature, The closed or disconnection between the second terminal group, the shell has been installed to the outside of base, solenoid includes the skeleton, the built-in iron core that is equipped with of skeleton, the skeleton is equipped with the coil outward, base, shell and skeleton all adopt insulating fire-retardant plastics to make.

When the relay works, an external power supply is connected with the relay, so that the electromagnetic coil is electrified, the magnetic force of the iron core is enhanced by the coil arranged outside the framework, the iron core and the armature are enabled to attract and close, the armature further drives the contact assembly, the contact assembly is enabled to respond quickly to be mutually closed with the first terminal set and the second terminal set, the effect that the relay is switched on a plurality of circuits at the same time can be realized, when the external power supply is disconnected with the relay, the electromagnetic coil is not electrified, the reset elastic sheet drives the armature to recover the original position under the action of elastic force, so that the contact assembly responds quickly to be mutually disconnected with the first terminal set and the second terminal set, electric arcs generated in a narrow compartment can be quickly adsorbed and extinguished, the contact is prevented from being burnt, the service life of the relay is greatly prolonged, the baffle is arranged to be in a T-shaped stable structure perpendicular to the channel baffle, and the baffle effectively separates the electromagnetic coil from the contact assembly, ensure solenoid and contact assembly autonomous working and mutual noninterference, improve work safety and stability, the passageway baffle effectively separates first terminal group of separation and second terminal group, the inside space separation of rethread a plurality of baffles with the base corresponds first terminal group of erection joint and second terminal group, be provided with insulating clearance between two adjacent baffles, effectively a plurality of terminals of separation, reduce the risk of taking place the short circuit, improve the electric insulating property between the a plurality of terminals of installing in the compartment, moreover, the steam generator is simple in structure and ingenious in design, the shell not only plays good shock resistance protective action to the relay, still possess good heat conduction insulating flame retardant property, the life of relay is prolonged. The utility model discloses compact structure and reasonable in design form different insulation system on the base, and space utilization is high to the different terminal of separation forms higher grade insulating properties, divides disconnected arc extinguishing quick reliable, improves the insulating properties and the safety in utilization performance of relay.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention after the outer shell is hidden.

Fig. 3 is a schematic view of the exploded structure of the present invention.

Fig. 4 is an exploded view of another view of the present invention.

Fig. 5 is a schematic structural diagram of the base of the present invention.

Fig. 6 is a schematic structural diagram of the framework of the present invention.

The reference numerals include:

1-base 11-baffle 12-channel partition

13-partition 14-compartment 15-insulation gap

16-clamping block 17-clamping groove 18-positioning clamping plate

19-first connecting hole 110-parting bead 111-fixture block

2-electromagnetic coil 21-skeleton 211-first assembly plate

212-hollow column 213-second assembling plate 214-card slot

215-stop block 216-connecting groove 217-limiting block

218-insulating cushion block 219-first clamping wing 2110-second clamping wing

22-iron core 23-coil

3-reset spring 4-armature

5-contact assembly 51-pushing seat 52-first elastic spring leaf

53-second spring reed 54-first moving contact 55-second moving contact

56-positioning groove

6-first terminal group 61-first Z-terminal 62-second Z-terminal

63-first assembling hole 64-second assembling hole 65-first fixed contact

66-second stationary contact

7-second terminal group

8-shell 81-positioning ridge plate 82-mounting hole

83-clip hole

9-circuit board 91-positive pole piece 92-negative pole piece

93-rectifier bridge 94-piezoresistor

10-yoke 101-connecting projection 102-positioning slot.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 6, the electromagnetic relay of the present invention includes a base 1, a solenoid 2 and a reset spring 3 mounted on the base 1, the base 1 is provided with an armature 4 near the top of the solenoid 2, the solenoid 2 is used for driving the armature 4 to rotate, the reset spring 3 is used for driving the armature 4 to recover the original position, one end of the armature 4 is provided with a contact assembly 5, the base 1 is provided with a baffle 11, the baffle 11 is used for separating the solenoid 2 from the contact assembly 5, the baffle 11 is provided with a channel partition 12, the baffle 11 is perpendicular to the channel partition 12, the base 1 is provided with a plurality of partitions 13, the partitions 13 divide the inner space of the base 1 into a plurality of compartments 14, the compartments 14 are provided with a first terminal group 6 and a second terminal group 7, be provided with insulating gap 15 between two adjacent baffles 13, solenoid 2 orders about the closure or the disconnection between contact assembly 5 and first terminal group 6, second terminal group 7 through attraction or repulsion armature 4, shell 8 has been installed to the outside of base 1, solenoid 2 includes skeleton 21, the built-in iron core 22 that is equipped with of skeleton 21, skeleton 21 is equipped with coil 23 outward, base 1, shell 8 and skeleton 21 all adopt insulating fire-retardant plastics to make.

When the electromagnetic relay works, an external power supply is connected with the relay, so that the electromagnetic coil 2 is electrified, the coil 23 arranged outside the framework 21 enhances the magnetic force of the iron core 22, the iron core 22 and the armature 4 are enabled to attract and close, the armature 4 further drives the contact component 5, the contact component 5 makes the quick response and the first terminal set 6 and the second terminal set 7 mutually close, the effect that the relay is switched on and connected with a plurality of circuits simultaneously can be realized, when the external power supply is disconnected with the relay, the electromagnetic coil 2 is not electrified, the reset elastic sheet 3 drives the armature 4 to return to the original position under the action of the elastic force, so that the contact component 5 makes the quick response and the first terminal set 6 and the second terminal set 7 mutually disconnect, electric arcs generated in the compartment 14 in a narrow space can be quickly absorbed and extinguished, the contact is prevented from being burnt, the service life of the relay is greatly prolonged, the baffle plate 11 and the channel baffle plate 12 are vertically arranged to be in a T-shaped stable structure, separate baffle 11 and effectively separate separation solenoid 2 and contact module 5, ensure that solenoid 2 and contact module 5 work alone and mutual noninterference, improve work safety and stability, passageway baffle 12 effectively separates separation first terminal group 6 and second terminal group 7, rethread a plurality of baffles 13 separate into a plurality of compartments 14 with the inner space of base 1 and correspond erection joint first terminal group 6 and second terminal group 7, be provided with insulating clearance 15 between two adjacent baffles 13, effective separation a plurality of terminals, reduce the risk of taking place the short circuit, improve the electrical insulation performance of installing between a plurality of terminals in compartment 14, moreover, the steam generator is simple in structure and ingenious in design, casing 8 not only plays good impact protection effect to the relay, still possesses good heat conduction insulating flame retardant property, the life of relay is prolonged. The utility model discloses compact structure and reasonable in design form different insulation system on base 1, and space utilization is high to the different terminal of separation forms higher grade insulating properties, divides disconnected arc extinguishing quick reliable, improves the insulating properties and the safety in utilization performance of relay.

As shown in fig. 2, 3 and 4, the base 1 of the present embodiment is provided with a circuit board 9, the circuit board 9 is provided with a positive plate 91 and a negative plate 92 protruding out of the base 1, the positive plate 91 and the negative plate 92 are used for conducting an external power supply, the circuit board 9 is provided with a rectifier bridge 93 and a piezoresistor 94, the piezoresistor 94 is connected in parallel with the rectifier bridge 93, and an output end of the rectifier bridge 93 is connected with the electromagnetic coil 2. Specifically, during actual use, an external alternating current power supply conducts the circuit board 9 through the positive plate 91 and the negative plate 92, and then the alternating current voltage input by the alternating current power supply is converted into the direct current voltage output by the rectifier bridge 93 through the rectification effect of the rectifier bridge 93, the direct current voltage output by the rectifier bridge 93 is applied to the electromagnetic coil 2, so that the electromagnetic coil 2 is electrified, the electromagnetic coil 2 and the armature 4 are attracted and closed, when the voltage input by the alternating current power supply exceeds the rated input voltage of the relay, the voltage dependent resistor 94 realizes short circuit of the rectifier bridge 93, the rectifier bridge 93 is prevented from being burnt due to the fact that the voltage dependent resistor 94 protects the rectifier bridge 93, and the service life of the relay is prolonged.

As shown in fig. 3, 4 and 6, the frame 21 of the present embodiment includes a first assembly plate 211, a hollow column 212 and a second assembly plate 213 that are integrally formed, the coil 23 is wound around the hollow column 212, the first assembly plate 211 is provided with a slot 214 and a stopper 215 opposite to the slot 214, the slot 214 and the stopper 215 are clamped with the circuit board 9, the second assembly plate 213 is provided with a connecting groove 216, and two sides of the second assembly plate 213 are provided with a stopper 217. Specifically, during actual assembly, the iron core 22 is installed in the hollow column 212, the coil 23 is wound and installed on the hollow column 212, the first assembly plate 211 is tightly clamped with the circuit board 9 through the matching of the clamping groove 214 and the stop block 215, and the second assembly plate 213 is tightly abutted to the inner wall of the base 1 through the limiting block 217, so that the framework 21 is effectively prevented from moving on the base 1, the positioning effect is good, and the assembly is convenient.

As shown in fig. 2 and 5, the partition plate 13 of the present embodiment is provided with clamping blocks 16 at both ends thereof, a clamping groove 17 is provided between the two clamping blocks 16, the clamping blocks 16 are integrally formed with the partition plate 13, and the first terminal group 6 and the second terminal group 7 are correspondingly connected with the clamping groove 17. Specifically, clamping blocks 16 are convexly arranged at two ends of the partition plate 13, the two clamping blocks 16 and the partition plate 13 form a clamping groove 17 together, and the terminal is stably clamped through the clamping groove 17 and is not easy to loosen and fall off.

As shown in fig. 2, 3 and 4, a yoke 10 is disposed between the base 1 and the contact assembly 5, the yoke 10 is in an L-shaped structure, the top of the yoke 10 is connected to the armature 4, a connecting protrusion 101 that is in matching connection with the connecting groove 216 is disposed at the bottom of the yoke 10, positioning slots 102 are disposed on both sides of the yoke 10, and a positioning clip 18 that is in matching connection with the positioning slots 102 is disposed on the base 1. Specifically, the L-shaped yoke 10 has a simple structure, the yoke 10 is connected to the positioning clamping plate 18 through the positioning clamping groove 102, so that the yoke 10 and the base 1 are stably mounted, the yoke 10 better seals the magnetic force lines generated by the electromagnetic coil 2 in the inside, the attraction force of the electromagnetic coil 2 is enhanced, and the second assembling plate 213 and the yoke 10 are tightly connected by the mutual matching of the connecting groove 216 and the connecting protrusion 101.

As shown in fig. 2, 3 and 4, the contact assembly 5 of the present embodiment includes a push base 51, the push base 51 is provided with a first spring reed 52 and a second spring reed 53, the first spring reed 52 and the second spring reed 53 have the same structure, and an end of the first spring reed 52 is provided with a first movable contact 54 and a second movable contact 55. Specifically, the pushing base 51 is respectively provided with a first elastic spring 52 and a second elastic spring 53 having the same structure, the first elastic spring 52 is provided with a first moving contact 54 and a second moving contact 55, so that the first elastic spring 52 and the second elastic spring 53 drive a plurality of moving contacts to be respectively closed with a plurality of terminals of the first terminal group 6 and the second terminal group 7, thereby realizing the function of simultaneously switching on a plurality of circuits.

As shown in fig. 2, 3 and 4, the first terminal group 6 and the second terminal group 7 of the present embodiment have the same structure, the first terminal group 6 includes a first Z-shaped terminal 61 and a second Z-shaped terminal 62, the first Z-shaped terminal 61 and the second Z-shaped terminal 62 are respectively provided with a first assembly hole 63 and a second assembly hole 64, the first assembly hole 63 and the second assembly hole 64 are respectively connected with a first fixed contact 65 and a second fixed contact 66, and the first fixed contact 65 and the second fixed contact 66 are respectively arranged opposite to the first movable contact 54 and the second movable contact 55. Specifically, the first terminal group 6 and the second terminal group 7 have the same structure, the first terminal group 6 includes a first Z-shaped terminal 61 and a second Z-shaped terminal 62, the first Z-shaped terminal 61 is connected to the first stationary contact 65 through a first assembling hole 63, and the second Z-shaped terminal 62 is connected to the second stationary contact 66 through a second assembling hole 64, so that the structure is simple and the assembly efficiency is high.

As shown in fig. 3, 4 and 5, a first connection hole 19 is formed in the compartment 14 of the present embodiment, the plurality of Z-shaped terminals of the first terminal set 6 and the second terminal set 7 correspondingly pass through the plurality of first connection holes 19 and then protrude out of the base 1, and a plurality of separation bars 110 for separating and separating the plurality of first connection holes 19 are disposed at the bottom of the base 1. Specifically, a plurality of Z shape terminals pass through a plurality of first connecting holes 19 correspondingly and then protrude out of the base 1, the structure is compact, the connection is stable and reliable, a plurality of parting beads 110 are used for separating a plurality of first connecting holes 19, meanwhile, the working intervals among the Z shape terminals are effectively isolated, the mutual interference influence of the work is avoided, and the protection performance is good.

As shown in fig. 3, 4 and 5, the inner wall of the housing 8 of the present embodiment is provided with a positioning ridge plate 81, the pushing seat 51 is provided with a positioning groove 56 connected with the positioning ridge plate 81, and the positioning ridge plate 81 passes through the positioning groove 56 and is inserted and stopped in the channel partition plate 12. Specifically, the housing 8 passes through the positioning groove 56 through the positioning ridge 81 and is inserted and stopped in the channel partition 12, so as to further improve the connection stability between the housing 8 and the base 1, and effectively prevent external dust and other impurities from entering the interior of the relay, thereby affecting the normal operation of the elements in the relay.

As shown in fig. 1, 3 and 4, the top of the housing 8 of the present embodiment is provided with a mounting hole 82 for fitting an external bolt, two sides of the base 1 are provided with a latch 111, and two sides of the housing 8 are provided with a latch hole 83 for accommodating the latch 111. Specifically, shell 8 has been installed to the outside of base 1, and mounting hole 82 is used for cooperating external bolt to make shell 8 reach location or fixed effect, utilize fixture block 111 and the matching joint of card hole 83, ensure the dismantlement between base 1 and the shell 8 and be connected, the dismouting is simple convenient.

As shown in fig. 6, an insulating block 218 is disposed on the top of the second assembling plate 213 of this embodiment, a first clamping wing 219 and a second clamping wing 2110 are disposed on the second assembling plate 213 near the outside of the insulating block 218, the first clamping wing 219 and the second clamping wing 2110 are perpendicular to each other, and the first clamping wing 219 and the second clamping wing 2110 abut against the coil 23. Specifically, coil 23 twines in hollow post 212, and coil 23 butts respectively between first assembly plate 211 and second assembly plate 213, and insulating cushion 218 and coil 23 contact laminating improve the anti short circuit performance and the electrical insulation performance of coil 23, support through the first joint wing 219, the second joint wing 2110 and the butt of coil 23 of perpendicular setting, further improve the structural stability of coil 23 installation at skeleton 21, location effect is good.

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

1. The utility model provides an automatic detect insulating type electromagnetic relay of coil, includes the base, installs in the solenoid of base and the shell fragment that resets, the top that the base is close to solenoid is rotated and is provided with armature, solenoid is used for driving armature and rotates, the shell fragment that resets is used for driving armature and resumes normal position, its characterized in that: one end of the armature is provided with a contact component, the base is provided with a baffle plate used for separating and separating the electromagnetic coil from the contact component, the baffle plate is provided with a channel partition plate, the baffle plate is perpendicular to the channel partition plate, a plurality of partition plates are arranged in the base, the inner space of the base is divided into a plurality of compartments by the plurality of partition plates, the plurality of compartments are provided with a first terminal group and a second terminal group, an insulation gap is arranged between every two adjacent partition plates, the electromagnetic coil drives the contact assembly to be closed or opened with the first terminal set and the second terminal set through attracting or repelling the armature, the outer part of the base is provided with a shell, the electromagnetic coil comprises a framework, an iron core is arranged in the framework, the skeleton is equipped with the coil outward, base, shell and skeleton all adopt insulating fire-retardant plastics to make.

2. An automatic detection coil insulation type electromagnetic relay according to claim 1, characterized in that: the base is provided with a circuit board, the circuit board is provided with a positive plate and a negative plate which protrude out of the base, the positive plate and the negative plate are used for conducting an external power supply, the circuit board is provided with a rectifier bridge and a piezoresistor, the piezoresistor is connected in parallel to the rectifier bridge, and the output end of the rectifier bridge is connected with the electromagnetic coil.

3. An automatic detection coil insulation type electromagnetic relay according to claim 2, characterized in that: the coil winding structure is characterized in that the framework comprises a first assembling plate, a hollow column and a second assembling plate which are integrally formed, the coil is wound on the hollow column, the first assembling plate is provided with a clamping groove and a stop block which is arranged opposite to the clamping groove, the stop block and the circuit board are clamped, the second assembling plate is provided with a connecting groove, and two sides of the second assembling plate are provided with limit blocks.

4. An automatic detection coil insulation type electromagnetic relay according to claim 1, characterized in that: the two ends of the partition board are provided with clamping blocks, a clamping groove is formed between the two clamping blocks, the clamping blocks and the partition board are integrally formed, and the first terminal group and the second terminal group are correspondingly connected with the clamping groove.

5. An automatic detection coil insulation type electromagnetic relay according to claim 3, characterized in that: the electromagnetic coil positioning device is characterized in that a yoke is arranged between the base and the contact component, the yoke is of an L-shaped structure, the top of the yoke is connected with the armature, a connecting convex block which is connected with the connecting groove in a matched mode is arranged at the bottom of the yoke, positioning clamping grooves are formed in the two sides of the yoke, and a positioning clamping plate which is connected with the positioning clamping grooves in a matched mode is arranged on the base.

6. An automatic detection coil insulation type electromagnetic relay according to claim 1, characterized in that: the contact assembly comprises a pushing seat, the pushing seat is provided with a first elastic spring and a second elastic spring, the first elastic spring and the second elastic spring are identical in structure, and a first moving contact and a second moving contact are arranged at the end part of the first elastic spring.

7. An automatic detection coil insulation type electromagnetic relay according to claim 6, characterized in that: the first terminal group and the second terminal group have the same structure, the first terminal group comprises a first Z-shaped terminal and a second Z-shaped terminal, the first Z-shaped terminal and the second Z-shaped terminal are respectively provided with a first assembling hole and a second assembling hole, the first assembling hole and the second assembling hole are respectively connected with a first static contact and a second static contact, and the first static contact and the second static contact are respectively arranged opposite to a first moving contact and a second moving contact.

8. An automatic detection coil insulation type electromagnetic relay according to claim 7, characterized in that: the partition is internally provided with a first connecting hole, a plurality of Z-shaped terminals of the first terminal group and the second terminal group correspondingly penetrate through the first connecting holes and then protrude out of the base, and the bottom of the base is provided with a plurality of parting strips for separating the first connecting holes.

9. An automatic detection coil insulation type electromagnetic relay according to claim 6, characterized in that: the inner wall of the shell is provided with a positioning ridge plate, the pushing seat is provided with a positioning groove connected with the positioning ridge plate, and the positioning ridge plate penetrates through the positioning groove and then is plugged and stopped in the channel partition plate.

10. An automatic detection coil insulation type electromagnetic relay according to claim 1, characterized in that: the top of shell is provided with the mounting hole that is used for cooperating external bolt, the both sides of base all are provided with the fixture block, the both sides of shell all are provided with the card hole that is used for holding the fixture block of establishing.