CN106409614A

CN106409614A - Improved relay

Info

Publication number: CN106409614A
Application number: CN201610986066.1A
Authority: CN
Inventors: 宋朝阳
Original assignee: Dongguan Sanyou Electrical Appliances Co Ltd
Current assignee: Dongguan Sanyou Electrical Appliances Co Ltd
Priority date: 2016-11-09
Filing date: 2016-11-09
Publication date: 2017-02-15

Abstract

The invention relates to the technical field of a relay and especially discloses an improved relay. The improved relay comprises a housing, a fixation iron core installed in the housing, a yoke assembly connected with the fixation iron core, a coil sleeving the fixation iron core, an armature slidably connected with the inside of the fixation iron core, a push rod installed on the armature, a first elastic member sleeving the push rod, and silent-point joints which are installed at the housing and project out of the housing, wherein the yoke assembly is disposed between the armature and the silent-point joints, the two ends of the first elastic member respectively abuts against the armature and the yoke assembly, the housing is also internally provided with an auxiliary switch, the silent-point joints are provided with contact portions projecting into a ceramic box, and the push rod is used for abutting against the auxiliary switch and the contact portion. When the push rod is in contact with the contact portions of the silent-point joints, the auxiliary switch is triggered at the same time, the auxiliary switch emits turn-on signals, whether the relay is turned on is accurately monitored by use of the auxiliary switch, and when the relay cannot be normally turned on after energization, a user can conveniently repair or replace the relay.

Description

A kind of Improvement type relay

Technical field

The present invention relates to relay technical field, in particular disclose a kind of Improvement type relay.

Background technology

Relay is a kind of conventional electronic control device, and relay actually utilizes the larger electricity of less current control One kind " automatic switch " of stream, it is to avoid user directly manipulates high current and Danger Electric shock risk occurs, can play certainly in circuit The effects such as dynamic regulation, safeguard protection or change-over circuit, thus be widely used in various automatic control circuits.

After existing relay power it is impossible to learn relay moved end son whether have turned on static terminal, work as relay After damage, user is accomplished by circuit is detected, the multiple components and parts in testing circuit are wasted time and energy, and bring to user Inconvenience.

Content of the invention

In order to overcome shortcoming and defect present in prior art, it is an object of the invention to provide a kind of Improvement type relay Whether device, after energising, you can connected using the accurate verification relay of auxiliary switch.

For achieving the above object, a kind of Improvement type relay of the present invention, including housing, the fixing ferrum being installed in housing Yoke component that core is connected with secured core, the coil being sheathed on secured core, the armature being slidably connected in secured core, The push rod being installed in armature, the first elastic component being sheathed on push rod, it is installed in housing and stretches out the dead point joint of housing, yoke Assembly is located between armature and dead point joint, and the two ends of the first elastic component abut armature and yoke component, in described housing respectively Also it is equiped with auxiliary switch, dead point joint is provided with the contact site protruding in housing, push rod is used for abutting auxiliary switch and contact Portion.

Preferably, described push rod is equiped with the dynamic point block for abutting auxiliary switch and contact site, and dynamic point block, armature are respectively Both sides positioned at yoke component.

Preferably, described push rod is also arranged with the second elastic component, and the two ends of the second elastic component abut dynamic point block and yoke respectively Iron component.

Preferably, described dynamic point block include being installed in push rod and for the dynamic plate in abutting contact portion, be installed in dynamic plate and be used in combination In the pressing plate abutting auxiliary switch.

Preferably, described yoke component is equiped with guard shield, and armature is located in guard shield, and secured core is sheathed on guard shield.

Preferably, described Improvement type relay also includes ceramic box, ceramic box include the ceramic case being installed in housing and Cover the ceramic wafer of ceramic case, ceramic case is located between yoke component and ceramic wafer, and push rod protrudes in ceramic case, dead point joint It is installed in ceramic wafer, contact site protrudes in ceramic case.

Preferably, described auxiliary switch is installed in ceramic wafer, and auxiliary switch is located at outside ceramic case, and ceramic case is provided with cunning Groove, push rod stretches out ceramic case through chute and is used for abutting auxiliary switch.

Preferably, also it is equiped with described housing and can cut down, the two ends that can cut down are installed in yoke component and ceramic wafer respectively, pottery In can cutting down, ceramic wafer is equiped with and protrudes into the exhaust tube in can cutting down porcelain shell.

Preferably, described yoke component includes the yoke shell being installed in housing and the yoke plate for covering yoke shell, Yoke shell is connected with secured core, and yoke plate is located between armature and dead point joint, and yoke valve jacket is located at coil.

Preferably, described contact site is provided with planar portions and the oblique angle portion being connected with planar portions, plane near one end of push rod Portion is used for abutting push rod, and oblique angle portion does not contact push rod.

Beneficial effects of the present invention：Trigger auxiliary switch when push rod contacts the contact site of dead point joint, auxiliary is opened simultaneously Whether pass sends connection signal, connected using the accurate verification relay of auxiliary switch, when being unable to normal ON after relay power When, it is easy to user maintenance or change relay.

Brief description

Fig. 1 is the perspective view of the present invention；

Fig. 2 is the decomposition texture schematic diagram of the present invention；

Fig. 3 is the top view of the present invention；

Fig. 4 is the sectional view in Fig. 3 along A A direction；

Fig. 5 is the close-up schematic view of part B in Fig. 4；

Fig. 6 is the front view of the dead point joint of the present invention.

Reference includes：

11 housing, 12 secured core 13 yoke component

14 coil, 15 armature 16 push rod

17 first elastic component, 18 dead point joint 19 auxiliary switch

21 contact site, 22 dynamic point block 23 second elastic component

24 dynamic plate 25 pressing plate 26 ceramic box

27 ceramic case, 28 ceramic wafer 29 guard shield

31 can cut down 32 exhaust tube 33 ring for fixing

34 Magnet, 35 yoke shell 36 yoke plate

37 planar portions 38 oblique angle portion.

Specific embodiment

For the ease of the understanding of those skilled in the art, with reference to embodiment and accompanying drawing, the present invention is made further Bright, the content not limitation of the invention that embodiment refers to.

Refer to Fig. 1, Fig. 2, Fig. 4 and Fig. 6, a kind of Improvement type relay of the present invention, including housing 11, be installed in housing Yoke component 13 that secured core 12 in 11 is connected with secured core 12, it is set in the coil 14 in secured core 12 outside, sliding The armature 15 being automatically connected in secured core 12, the push rod 16 being installed on armature 15, it is set in first bullet in push rod 16 outside Property part 17, the dead point joint 18 being installed on housing 11 and stretching out housing 11, secured core 12 substantially be in hollow cylindrical, yoke Iron component 13 is located between armature 15 and dead point joint 18, and the two ends of the first elastic component 17 abut armature 15 and yoke component respectively 13, in the present embodiment, the first elastic component 17 is spring, and certainly, the first elastic component 17 also can not be set in the outside of push rod 16, only The two ends needing the first elastic component 17 abut armature 15 and yoke component 13 respectively；Also it is equiped with auxiliary in described housing 11 to open Close 19, one end of dead point joint 18 stretches out housing 11, and the other end of dead point joint 18 protrudes into and forms contact site in housing 11 21, push rod 16 is used for abutting auxiliary switch 19 and contact site 21.

After coil 14 energising of the Improvement type relay of the present invention, secured core 12 produces magnetic because of galvanomagnetic-effect Property, the magnetic of secured core 12 is transferred to yoke component 13, and yoke component 13 attracts armature 15 so that armature 15 is towards near yoke The direction of assembly 13 is moved, and the related push rod 16 of armature 15 moves together and then abuts the contact site 21 of dead point joint 18, thus real The connection of existing relay, armature 15 compresses the first elastic component 17 during movement；After coil 14 power-off, secured core 12 And yoke component 13 loses magnetism, recover in the presence of a tensile force by related armature 15 and push rod 16 reverse movement for the first elastic component 17 In situ so that push rod 16 is separated with contact site 21；When the related push rod 16 of armature 15 contacts the contact site 21 of dead point joint 18, push away Bar 16 triggers auxiliary switch 19 simultaneously, and auxiliary switch 19 sends connection signal, using the accurate verification relay of auxiliary switch 19 is No connection, when being unable to normal ON after relay power, that is, after coil 14 energising, auxiliary switch 19 does not send connection letter Number, illustrate that push rod 16 does not abut auxiliary switch 19, show that relay damages, be easy to user maintenance or change relay.

Refer to Fig. 2 to Fig. 6, described push rod 16 is equiped with for abutting auxiliary switch 19 and connecing away from one end of armature 15 The dynamic point block 22 of contact portion 21, dynamic point block 22, armature 15 are located at the both sides of yoke component 13 respectively；When related push rod 16 court of armature 15 Near when moving in the direction of dead point joint 18, push rod 16 can move so that dynamic point block 22 supports simultaneously related dynamic point block 22 together Connect contact site 21 and auxiliary switch 19.Compared to using the direct abutting contact portion 21 of push rod 16, increase the contact with contact site 21 Area, avoids the phenomenon of point discharge to occur as far as possible.According to actual needs, the quantity of dead point joint 18, this enforcement can also be increased In example, the quantity of dead point joint 18 is two, and the two ends of dynamic point block 22 are respectively used to abut the contact site of two dead point joints 18 21.

The outside of described push rod 16 is also arranged with the second elastic component 23, and the two ends of the second elastic component 23 abut dynamic point block respectively 22 with yoke component 13, in the present embodiment, the second elastic component 23 is similarly spring；It is energized when coil 14, armature 15 stops moving Afterwards, armature 15 is connected on yoke component 13, and dynamic point block 22 is connected on contact site 21, and now the second elastic component 23 is in compression State, using the elastic force of the second elastic component 23, by dynamic point block 22 tightly pressure holding it is ensured that relay is realized surely on contact site 21 Surely connect, prevent relay to be subject to casual to touch or shake and disconnect.

In the present embodiment, described dynamic point block 22 includes being installed in push rod 16 away from armature 15 one end and for abutting contact portion 21 dynamic plate 24, it is installed on push rod 16 or on dynamic plate 24 and for abutting the pressing plate 25 of auxiliary switch 19, dynamic plate 24 is substantially Rectangular flat it is preferable that pressing plate 25 is adopted and is made from an insulative material, such as plastics etc., made using conductive material compared to pressing plate 25, Pressing plate 25 is avoided relay to be caused using interference.

Described Improvement type relay also includes ceramic box 26, ceramic box 26 include the ceramic case 27 being installed in housing 11 and Cover the ceramic wafer 28 of ceramic case 27, ceramic case 27 is in substantially that hollow is rectangular-shaped, the generally circular flat board of ceramic wafer 28, pottery Shell 27 is located between yoke component 13 and ceramic wafer 28, and push rod 16 runs through ceramic case 27 and protrudes in ceramic case 27, dynamic point block 22 are located in ceramic case 27, and dead point joint 18 is installed on ceramic wafer 28, and contact site 21 protrudes in ceramic case 27.

Described ceramic box 26 covers dynamic point block 22 and contact site 21 and forms a relatively airtight ceramic die cavity so that moving Point block 22 is located at ceramic mould intracavity with the contact position of contact site 21, using the good characteristic of ceramic insulation performance, works as relay power Or during power-off, electric arc can effective arc extinguishing in ceramic mould intracavity, it is to avoid other cables of electric arc influence to relay or components and parts, Greatly promote the reliability and security of relay.According to actual needs, arc extinguishing can take polarized or nonpolarity.

Guard shield 29 is also equiped with described yoke component 13, guard shield 29, dynamic point block 22 are located at the two of yoke component 13 respectively Side, armature 15 is located in guard shield 29, and secured core 12 is set in the outside of guard shield 29；By setting up guard shield 29, seal up yoke Gap between assembly 13 and secured core 12, coil 14.

Refer to Fig. 1 to Fig. 6, be also equiped with described housing 11 and can cut down 31,31 generally hollow cylinders can be cut down, preferably Ground, can cut down 31 and be made using metal material, for strengthening the intensity of whole relay, can cut down 31 and be located at yoke component 13 and pottery Between plate 28, the two ends that can cut down 31 are respectively installed on yoke component 13 and on ceramic wafer 28, and ceramic case 27 is located at and can cut down in 31, Seal up gap between ceramic wafer 28 and yoke component 13 using 31 can be cut down, ceramic wafer 28 is equiped with to protrude into and can cut down in 31 Exhaust tube 32；Preferably, exhaust tube 32 is made using copper or copper alloy.Ceramic wafer 28,31, yoke component 13 and guard shield 29 can be cut down Common coordinate, armature 15, push rod 16, dynamic point block 22 and contact site 21 are installed with jointly in an airtight space, using taking out Exhaust tube 32 connected by air pump, carries out evacuation to aforementioned airtight space, is in air compared to dynamic point block 22 and contact site 21 In, prevent armature 15, push rod 16, dynamic point block 22 and contact site 21 to be subject to oxide etch.

Described auxiliary switch 19 is installed on ceramic wafer 28, and auxiliary switch 19 is located at outside ceramic case 27, compared to auxiliary Switch 19 is located in ceramic case 27, and the electric arc that anti-check plate 24 is produced when being contacted with contact site 21 destroys auxiliary switch 19；Pottery Chute is provided with shell 27, chute runs through ceramic case 27, pressing plate 25 stretches out ceramic case 27 through chute and is used for abutting auxiliary and opens Close 19.

In the present embodiment, described yoke component 13 is also equiped with ring for fixing 33 it is preferable that ring for fixing 33 adopts insulation material Material is made, such as plastics etc., and ring for fixing 33 is equiped with Magnet 34, and Magnet 34 is located at the outside of ceramic case 27, is produced using Magnet 34 Magnetisation field arc extinguishing, under the action of a magnetic field, the skew of electric arc can make electric arc between dynamic plate 24 and contact site 21 for the generation elongated, electricity The voltage of arc can uprise, and when arc voltage is higher than dynamic supply voltage between plate 24 and contact site 21, electric arc will extinguish.Excellent Selection of land, ring for fixing 33 is provided with the multiple Magnet 34 being intervally installed, and ceramic case 27 is located between multiple Magnet 34.

Described yoke component 13 includes the yoke shell 35 being installed in housing 11 and the yoke plate for covering yoke shell 35 36, the generally hollow cylinder of yoke shell 35, the generally circular flat board of yoke plate 36, yoke shell 35 is connected with secured core 12, yoke Iron-clad 35 is set in the outside of coil 14, and yoke plate 36 is located between armature 15 and the contact site 21 of dead point joint 18, guard shield 29, Can cut down 31 and ring for fixing 33 be all installed on yoke plate 36, can cut down 31, ring for fixing 33 be located at yoke plate 36 the same side, can cut down 31st, guard shield 29 is located at the both sides of yoke plate 36 respectively.

Refer to Fig. 2, Fig. 4, Fig. 5 and Fig. 6, described contact site 21 near one end of push rod 16 be provided with planar portions 37 and with flat The oblique angle portion 38 of face 37 connection, planar portions 37 are used for abutting the dynamic plate 24 installed on push rod 16, and oblique angle portion 38 does not contact push rod 16 and dynamic plate 24, that is, after the related push rod 16 of armature 15 stretches out from secured core 12, planar portions 37 are all sticked in dynamic plate 24 On, oblique angle portion 38 is not contacted with dynamic plate 24, and when preventing electric arc from occurring, the material transfer in oblique angle portion 38 is deposited on dynamic plate 24, enters And cause whole relay failure.

In the present embodiment, described housing 11 is packaged the Improvement type relay so that the present invention by the way of encapsulating Dust-proof, classification of waterproof reach IP67.Additionally, relay seal is metal-back, metal-back adopts laser welding, and intensity can Lean on, compare with traditional epoxy resin encapsulated relay it is ensured that the relay of the present invention is difficult to burst, greatly prolong relay Service life.

Above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the present invention's Thought, all will change in specific embodiments and applications, and this specification content should not be construed as to the present invention Restriction.

Claims

1. a kind of Improvement type relay, including housing, the yoke group that is connected with secured core of the secured core that is installed in housing Part, the coil being sheathed on secured core, the armature being slidably connected in secured core, it is installed in the push rod of armature, is sheathed on and pushes away First elastic component of bar, be installed in housing and stretch out the dead point joint of housing, yoke component be located at armature and dead point joint it Between, the two ends of the first elastic component abut armature and yoke component respectively it is characterised in that：Also it is equiped with auxiliary in described housing to open Close, dead point joint is provided with the contact site protruding in housing, and push rod is used for abutting auxiliary switch and contact site.

2. Improvement type relay according to claim 1 it is characterised in that：Described push rod is equiped with to be opened for abutting auxiliary Pass and the dynamic point block of contact site, dynamic point block, armature are located at the both sides of yoke component respectively.

3. Improvement type relay according to claim 2 it is characterised in that：Described push rod is also arranged with the second elastic component, The two ends of the second elastic component abut dynamic point block and yoke component respectively.

4. Improvement type relay according to claim 2 it is characterised in that：Described dynamic point block includes being installed in push rod to be used in combination In abutting contact portion dynamic plate, be installed in push rod or dynamic plate and for abutting the pressing plate of auxiliary switch.

5. Improvement type relay according to claim 1 it is characterised in that：Described yoke component is equiped with guard shield, armature In guard shield, secured core is sheathed on guard shield.

6. Improvement type relay according to claim 1 it is characterised in that：Described Improvement type relay also includes pottery Box, the ceramic wafer that ceramic box includes the ceramic case being installed in housing and covers ceramic case, ceramic case is located at yoke component and pottery Between porcelain plate, push rod protrudes in ceramic case, and dead point joint is installed in ceramic wafer, and contact site protrudes in ceramic case.

7. Improvement type relay according to claim 6 it is characterised in that：Described auxiliary switch is installed in ceramic wafer, auxiliary Switch is helped to be located at outside ceramic case, ceramic case is provided with chute, and push rod stretches out ceramic case through chute and is used for abutting auxiliary switch.

8. Improvement type relay according to claim 6 it is characterised in that：Also it is equiped with described housing and can cut down, can cut down Two ends be installed in yoke component and ceramic wafer respectively, ceramic case be located at can cut down in, ceramic wafer be equiped with protrude into can cut down in Exhaust tube.

9. Improvement type relay according to claim 1 it is characterised in that：Described yoke component includes being installed in housing Yoke shell and for covering the yoke plate of yoke shell, yoke shell is connected with secured core, and yoke plate is connect with dead point positioned at armature Between head, yoke valve jacket is located at coil.

10. Improvement type relay according to claim 1 it is characterised in that：Described contact site sets near one end of push rod There are planar portions and the oblique angle portion being connected with planar portions, planar portions are used for abutting push rod, and oblique angle portion does not contact push rod.