CN216213161U - Switching type magnetic latching integrated relay - Google Patents

Abstract

The utility model discloses a switching type magnetic latching integrated relay, which comprises a shell part, a control part and a magnetic circuit part, wherein the control part and the magnetic circuit part are designed in the shell, the control part and a relay coil control pin are directly led out in the shell, a coil lead pin and a control end information acquisition pin are directly inserted into a PCB for installation, and a threaded hole is designed on the leading-out end face of the control part. The switching type magnetic latching integrated relay is small in size, convenient and fast to install and connect wires by a user, the control leading-out part can be flexibly designed according to the wiring of a product of the user, can be in a connection mode of welding leading-out, fixing by an upper screw, directly inserting into a PCB (printed circuit board) for welding and the like, the design and layout of the user on a conversion circuit or a built-in magnetic latching relay product are facilitated, and meanwhile the problems that wiring is messy and the built-in design of the magnetic latching relay cannot be achieved are solved.

Description

Switching type magnetic latching integrated relay

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of relay manufacturing, and particularly relates to a switching type magnetic latching integrated relay.

[ background of the utility model ]

The relay is an electric appliance for automatic and remote control, is widely used in an automatic control system, a remote control and remote measurement system, an electric power protection system and a communication system, plays the roles of control, detection, protection and regulation, is one of the most basic devices in modern electric devices, and is an electromagnetic relay, so that the problems of overlarge volume, incapability of being quickly installed and wired by a user and the like exist.

[ Utility model ] content

The utility model provides a switching type magnetic latching integrated relay, which aims to solve the problems that a common electromagnetic relay is too large in size and cannot be installed and wired quickly in a using mode.

In order to solve the technical problems, the utility model adopts the following scheme:

a switched magnetic latching integrated relay comprising: the control part and the relay coil control pin are directly led out from the shell, the coil lead pin and the control end information acquisition pin are directly inserted into a PCB for installation, and a threaded hole is designed on the leading-out end face of the control part.

Further, the shell part comprises an upper cover and a shell.

Furthermore, the upper cover and the shell are both made of PBT materials.

Furthermore, the control part comprises a movable spring seat, a movable spring, a contact, a static spring seat and an arc striking magnet.

Furthermore, the movable spring plate is riveted with the contact at two sides.

Further, the arc striking magnet is arranged below the contact.

Furthermore, the contact is made of silver tin oxide material.

Furthermore, the arc striking magnet is made of neodymium iron boron.

Furthermore, the two arc striking magnets are cylindrical in shape.

Furthermore, the magnetic circuit system part comprises magnetic steel, a pushing sheet, a bracket, a framework, a yoke, an iron core, a coil lead pin and an enameled wire.

Through the technical scheme of the utility model, the following technical effects can be realized:

(1) the switching type magnetic latching integrated relay is small in size, convenient and fast to install and connect wires by a user, the control leading-out part can be flexibly designed according to the wiring of a product of the user, can be in a connection mode of welding leading-out, fixing by an upper screw, directly inserting into a PCB (printed circuit board) for welding and the like, the design and layout of the user on a conversion circuit or a built-in magnetic latching relay product are facilitated, and meanwhile the problems that wiring is messy and the built-in design of the magnetic latching relay cannot be achieved are solved.

(2) The contact state of the switching type magnetic latching integrated relay is held by the magnetic force generated by the permanent magnet. When the contact of the relay needs to be switched, the relay only needs to excite the coil by positive (reverse) direct current pulse voltage, and the switching of the relay is completed instantly. When the contact is in a holding state, the coil does not need to be electrified continuously, the state of the relay can be maintained by the magnetic force of the permanent magnet, and energy is effectively saved.

(3) The switching type magnetic latching integrated relay has strong functions, has the performance of the magnetic latching relay and the performance of the switching type relay, is a relay integrating the switching type relay and the magnetic latching relay, has high performance and long service life, and can be widely popularized and applied.

[ description of the drawings ]

FIG. 1 is a schematic diagram of a switching magnetic latching integrated relay of the present invention;

FIG. 2 is an exploded view of the internal structure of the switching magnetic latching integrated relay of the present invention;

in the figure: 1-shell, 2-coil combination, 3-magnetic steel combination, 4-pushing sheet, 5-bracket (pressing plate), 6-B phase static spring combination, 7-dynamic spring combination, 8-A phase static spring combination, 9-upper cover and 10-arc-striking magnet;

FIG. 3 is a schematic diagram of the layout of the components and A, B phase switching of the switching magnetic latching integrated relay of the present invention;

fig. 4 is a schematic diagram of the position of the switching magnetic latching integrated relay built-in arc ignition magnet of the present invention.

[ detailed description ] embodiments

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the utility model or its application.

The utility model discloses a switching type magnetic latching integrated relay, which comprises a shell part, a control part and a magnetic circuit system part, wherein the control part and the magnetic circuit system part are designed in the shell; the shell part comprises an upper cover and a shell; the control part comprises a movable spring seat, a movable spring, a contact, a static spring seat and an arc striking magnet; the magnetic circuit system part comprises magnetic steel, a pushing sheet, a bracket (a pressing plate), a framework, a yoke, an iron core, a coil lead pin, an enameled wire and the like; the magnetic latching relay has smaller volume under reasonable layout, and more space is provided for a product of a user.

The magnetic latching relay is a switching type magnetic latching relay, and is rectangular in appearance.

According to the magnetic latching relay, the parts are installed, led out and distributed, the coil pins and the lead-out ends are directly led out in the shell and can be directly inserted into a PCB for connection, and the control lead-out ends are provided with threaded holes and can be connected and fixed through screws.

The magnetic latching relay is internally provided with an arc striking magnet which is arranged below a contact.

The key part materials of the magnetic latching relay are selected as follows:

the shell (I) is made of PBT material, and the characteristics are as follows:

a. mechanical properties: high strength, fatigue resistance, stable dimension and small creep (the creep is rarely changed under the high-temperature condition);

b. heat aging resistance: the UL temperature index after enhancement reaches 140 ℃, (outdoor long-term aging property is also good);

c. solvent resistance: no stress cracking;

d. stability to water: PBT is not easy to decompose when meeting water;

e. electrical properties:

1. insulating property: excellent (the electrical property can be kept stable even under the conditions of humidity and high temperature, and the material is an ideal material for manufacturing electronic and electrical parts);

2. dielectric coefficient: 3.0-3.2;

3. arc resistance: 120 s;

f. molding processability: injection molding or extrusion molding by common equipment. Because of the fast crystallization speed and good fluidity, the mold temperature is lower than the requirements of other engineering plastics. When processing thin-walled products, only a few seconds are needed, and 40-60 seconds are needed for large parts.

The (second) contact uses silver tin oxide material, and the characteristics are as follows:

the silver tin oxide material contact has the characteristics of higher melting point and boiling point and higher hardness, so that the alloy has higher material transfer resistance, fusion welding resistance and wear resistance. Meanwhile, the high-current surge suppression device has the characteristic of meeting the requirement that Me0 has high thermal stability to suppress the occurrence of splashing in the case of high current, so that the high-current surge suppression device can adapt to high surge current.

And (III) the arc striking magnet is made of neodymium iron boron, the magnetic force of the material is strong, the arc striking effect can be realized in a direct current circuit, and the magnetic latching relay is prevented from being burnt out due to the fact that electric arcs burn to the plastic shell.

The utility model selects the key part materials (PBT material, silver tin oxide material and neodymium iron boron material) and utilizes the material characteristics to greatly improve the service life of the magnetic latching relay.

The reed group of the magnetic latching relay is a common end, and the contact is riveted on the two sides of the reed, so that the reed is better communicated with A, B. The contact adopts three composite contact structures, designs two cylinder steps with different sizes, adopts a machine tool riveting mode to press one end of a small cylinder into the same shape of a large cylinder after the small cylinder penetrates into a reed hole, and forms the same shape on two sides.

The utility model is further described below with reference to the accompanying drawings.

Fig. 1 is an appearance schematic diagram of the magnetic latching relay of the present invention, the magnetic latching relay is rectangular, the control part and the relay coil control pin are directly led out at the side, the coil lead pin and the control terminal information acquisition pin can be directly inserted into the PCB for installation, the lead-out end face of the control part is designed with a threaded hole, which is beneficial to quick installation and improves the installation efficiency.

Fig. 2 is an explosion schematic diagram of the internal structure of the magnetic latching relay of the present invention, and as shown in the figure, the magnetic latching relay includes a housing (1), a coil assembly (2), a magnetic steel assembly (3), a pushing piece (4), a bracket (pressing plate) (5), a B-phase static spring assembly (6), a moving spring assembly (7), an a-phase static spring assembly (8), an upper cover (9), and an arc-striking magnet (10). The magnetic latching relay has the advantages that the magnetic latching relay has close relationship among all parts, one of the parts is absent, when certain voltage is applied to the coil, certain current flows through the coil, so that an electromagnetic effect is generated, the polarity of the magnetic steel combination is fixed, the magnetic steel combination changes state under the action of attraction or repulsion of electromagnetic force, the magnetic steel combination, the pushing sheet and the reed are connected in a fastening mode, the magnetic steel combination, the pushing sheet and the reed act simultaneously, and therefore contact or disconnection of a contact point converted to the other end is completed.

The action principle of the relay of the utility model is as follows: the contact state of the magnetic latching relay is held by a magnetic force generated by a permanent magnet. When the contact of the relay needs to be switched, the relay only needs to excite the coil by positive (reverse) direct current pulse voltage, and the switching of the relay is completed instantly. When the contact is in a holding state, the coil does not need to be electrified continuously, the state of the relay can be maintained by the magnetic force of the permanent magnet, and energy is effectively saved.

Fig. 3 is a schematic diagram of a magnetic latching relay A, B according to the present invention, which is shown in the figure, wherein the three assemblies are A, L, B, one is a phase a static spring assembly, one is a phase B static spring assembly, and the other is a dynamic spring assembly L. When the phase A needs to be switched, a pulse is triggered to enable the coil J1 to be communicated with the phase A, if the phase B needs to be switched, a reverse pulse is triggered to the coil J1 to be communicated with the phase B, and the L leading-out end of the movable spring combination is a common end.

Fig. 4 is a schematic diagram of the position of an arc striking magnet arranged in the magnetic latching relay, the arc striking magnet C1 and the arc striking magnet C2 are two in total, the shapes of the arc striking magnet C1 and the arc striking magnet C2 are designed to be cylinders, the arc striking magnet C3578 and the arc striking magnet C2 are respectively installed below the contacts of the phase A and the phase B, the magnet is made of neodymium iron boron, the magnet is strong in magnetic force, an arc striking effect can be achieved in a direct current circuit, and the magnetic latching relay is prevented from being burnt out due to the fact that electric arcs burn on a plastic shell.

According to the magnetic latching relay A, B phase interlocking design, A, B phases are never connected at the same time to cause short circuit, the design is relatively safe, the leading-out modes of the three combined pieces A, B, L can be flexible and changeable, the three combined pieces can be customized according to a user, the wiring of the user is more convenient, the volume of the magnetic latching relay is minimized while a certain current can be controlled, more space is reserved for the user, the production cost is greatly reduced, and the economic benefit is improved.

It should be noted that, although the above-mentioned embodiments of the present invention are illustrative, the present invention is not limited thereto, and thus the present invention is not limited to the above-mentioned embodiments. Other embodiments, which can be made by those skilled in the art in light of the teachings of the present invention, are considered to be within the scope of the present invention without departing from its principles.

Claims (10)

1. The switching type magnetic latching integrated relay comprises a shell part, a control part and a magnetic circuit system part, wherein the control part and the relay coil control pin are designed in the shell, the switching type magnetic latching integrated relay is characterized in that the control part and the relay coil control pin are directly led out in the shell, a coil lead pin and a control end information acquisition pin are directly inserted into a PCB for installation, and a threaded hole is designed in the leading-out end face of the control part.

2. The switched mode magnetic latching integrated relay of claim 1, wherein said housing portion comprises a top cover, a housing.

3. The integrated switching magnetic latching relay according to claim 2, wherein the upper cover and the housing are made of PBT material.

4. The switched magnetic latching integrated relay of claim 1, wherein the control part comprises a movable spring seat, a movable spring, a contact, a static spring seat and an arc striking magnet.

5. The switched magnetic latching integrated relay of claim 4, wherein the movable spring is riveted on both sides with contacts.

6. The switched magnetic latching integrated relay of claim 4, wherein the arc striking magnet is disposed below the contacts.

7. The integrated switching magnetic latching relay according to claim 6, wherein said contacts are made of silver tin oxide.

8. The switched magnetic latching integrated relay of claim 4, wherein the arc striking magnet is made of neodymium iron boron.

9. The switched magnetic latching integrated relay of claim 8, wherein said arc striking magnets are two pieces and are cylindrical in shape.

10. The switched magnetic latching integrated relay of claim 1, wherein the magnetic circuit system part comprises magnetic steel, a pushing piece, a bracket, a framework, a yoke, an iron core, a coil lead pin and an enameled wire.

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