WO2018223733A1

WO2018223733A1 - One-input four-output type double-path magnetic latching relay capable of cutting off neutral wire and live wire simultaneously

Info

Publication number: WO2018223733A1
Application number: PCT/CN2018/077148
Authority: WO
Inventors: 李健全; 陈挺; 钱利国
Original assignee: 广西睿奕科技发展有限公司
Priority date: 2017-06-06
Filing date: 2018-02-24
Publication date: 2018-12-13
Also published as: CN107134392A

Abstract

Disclosed is a one-input four-output type double-path magnetic latching relay capable of cutting off a neutral wire and a live wire simultaneously, comprising two control loops and a magnetic circuit system. Each control loop is composed of a movable spring seat and a static spring seat, and the static spring seat of one of the control loops is connected to a first pin, and the movable spring seat of the control loop is connected to a fourth pin; the static spring seat of the other control loop is connected to a second pin, and the movable spring seat of the control loop is connected to a third pin; and the first pin and the second pin are connected to a set of neutral wires, and the third pin and the fourth pin are connected to a set of live wires, and the set of live wires and the set of neutral wires form a loop that can cut off the live wires and the neutral wires simultaneously. The magnetic circuit system is laterally disposed in the magnetic latching relay, and the magnetic circuit system is disposed perpendicular to each of the movable spring seats and the static spring seats; and the magnetic circuit system pushes a movable spring seat in each control loop simultaneously via a push piece so as to control opening/closing of the movable spring seat. The invention has higher universality, and a movable spring piece uses a bending design to make contact control more flexible.

Description

One-in, four-out type dual magnetic holding relay capable of simultaneously cutting off neutral line and live line

[Technical Field]

The invention belongs to the technical field of relay equipment, and particularly relates to an input-to-four-output type two-way magnetic holding relay capable of simultaneously cutting off a neutral line and a live line.

【Background technique】

Due to the development of science and technology, smart capacitors, intelligent composite switches, and general metering meters have gradually been replaced by intelligent meters, thereby realizing functions such as remote control and remote charging. Magnetic retention relays have found wide application in this field. However, in actual use, the two-input and two-out type magnetic retention relays are often not suitable for some electronic products that are directly inserted into the terminal block control, and only one input and four output dual magnetic retention relays can be selected. Before the two-way magnetic holding relays in the market, some manufacturers purchase one-in-two-out dual-circuit magnetic holding relays and soft copper wires to achieve the effect of one input port and four output ports, but this kind of effect The method is more complicated to manufacture, costly, takes up more space, has messy installation, has the hidden danger of short connection or short circuit, and needs to increase the cost of the connecting piece and the soft copper wire and the insulating sleeve at the cost. In order to prevent this hidden danger, it is necessary to select a two-way magnetic holding relay solution. At present, many manufacturers are using or designing, and in actual use, they are completely isolated, but the wiring ports are different because of different product designs of various manufacturers. Some manufacturers use a two-way magnetic retention relay to match. Therefore, it is necessary to develop a two-input and two-output magnetic magnetic relay that can cut off the neutral and the live wire at the same time to meet the increasingly high application requirements of the market.

[Summary of the Invention]

The object of the present invention is to provide a two-way type magnetic holding relay capable of simultaneously cutting off the neutral line and the live line, so as to solve the problem that the current dual-channel magnetic holding relay is not versatile, high in cost, unsafe, and insufficient in contact control. Flexible and other issues.

In order to solve the above technical problems, the present invention adopts the following technical solutions:

An input-to-four-output dual-path magnetic holding relay capable of simultaneously cutting off the neutral line and the live line, comprising two sets of control loops and a magnetic circuit system;

Two sets of control loops, each set of said control loop is composed of a moving spring seat and a static spring seat, and one of the control circuit's spring spring seats is connected to the first pin, and the set of control loops is connected to the fourth spring. a pin; another set of control loops of the spring block is connected to the second pin, the set of control loops of the spring block is connected to the third pin; the first pin and the second pin are connected to a set of neutral wires, The third pin and the fourth pin are connected to a set of live wires, and the set of live wires and the set of neutral wires form a circuit that can cut off the live wire and the neutral wire at the same time;

The magnetic circuit system is laterally disposed in the magnetic holding relay, and the magnetic circuit system is disposed perpendicular to each of the moving spring seat and the static spring seat; the magnetic circuit system simultaneously pushes each group by a pushing force of a pushing piece The moving spring seat in the control circuit controls the opening and closing of the moving spring seat.

Preferably, the first pin and the second pin are input terminals, and the third pin and the fourth pin are output ends.

Advantageously, each set of said control loops further comprises a three-moving spring.

Preferably, a moving reed of the three-moving spring is bent.

Preferably, the moving reed has an angle α of 5-20°.

Preferably, the moving reed has an angle α of 5-15°.

Preferably, the contact pressure of the contact control group in each set of said control loops is greater than 300 g.

Preferably, the contact holding force of the contact control group in each set of said control loops is greater than 400 g.

Preferably, the magnetic circuit system provides a double magnetic force of a conventional single return magnetic circuit.

Preferably, one side of the magnetic circuit system is a moving spring seat connected to the fourth pin, and the other side is a static spring seat connecting the first pin, a static spring seat of the second pin, and a movement of the third pin. Spring seat.

Compared with the prior art, the present invention has the following beneficial effects:

The invention provides an input-to-four-output type two-way magnetic holding relay capable of simultaneously cutting off the neutral line and the live line, and the invention is more versatile with other electronic products than the one-in-two-out type two-way magnetic holding relay. Compared with the one-in, four-out type dual-path magnetic holding relay which is modified by the one-in and two-out type two-way magnetic holding relay, which can simultaneously cut the neutral line and the live line, the invention has lower cost and smaller space, It is safer; and the dynamic reed of the present invention adopts the cushioning effect of the bending design to make the contact control more flexible.

[Description of the Drawings]

Fig. 1 is a schematic view showing a simple structure of a four-input type two-way magnetic holding relay which can simultaneously cut off the neutral line and the live line.

Figure 2 is a schematic view showing the structure of the bending of the moving reed.

In the figure, 1 is the first pin, 2 is the second pin, 3 is the third pin, 4 is the fourth pin, 5 is the push piece, 6 is the magnetic circuit system, and 7 is the moving reed.

【detailed description】

The present invention will be further described in detail below in conjunction with the specific embodiments and with reference to the accompanying drawings. It is to be understood that the following description is only illustrative, and is not intended to limit the scope of the invention.

Example 1

An input-to-four-output dual-path magnetic holding relay capable of simultaneously cutting off the neutral line and the live line, comprising two sets of control loops and a magnetic circuit system 6; two sets of control loops, each set of said control loop consisting of a moving spring seat and a The static spring seat is composed, and the static spring seat of one of the control loops is connected to the first pin 1, the dynamic spring seat of the control loop of the group is connected to the fourth pin 4; the second spring of the other set of control loops is connected to the second lead The second spring pin 3 is connected to the third pin 3; the first pin 1 and the second pin 2 are input terminals, and the third pin 3 and the fourth pin 4 are outputs. The first pin and the second pin are connected to a set of neutral wires, and the third pin and the fourth pin are connected to a set of live wires, and the set of live wires and the set of neutral wires form a fire line and can be cut off at the same time. The zero-line loop; each of the control loops further includes a three-moving spring 7, and one of the three-spring springs 7 is bent and designed to have an angle α of 5°. The magnetic circuit system 6 is laterally disposed in the magnetic holding relay, and the magnetic circuit system 6 is disposed perpendicular to each of the moving spring seat and the static spring seat; the magnetic circuit system 6 side is connected to the fourth pin 4 The movable spring seat, the other side is a static spring seat connecting the first pin 1, a static spring seat of the second pin 2, and a moving spring seat of the third pin 3; the magnetic circuit system 6 can provide a common single a magnetic force of 2 times of the return magnetic circuit; the magnetic circuit system 6 simultaneously pushes the moving spring seat in each group of the control circuit by a pushing force of the pushing piece 5 to control the opening and closing of the moving spring seat; The road system 6 can provide twice the magnetic force of a conventional single return magnetic circuit. The contact pressure of the contact control group in each of the control loops is greater than 300 g, and the contact holding force of the contact control group in each of the control loops is greater than 400 g.

Example 2

An input-to-four-output dual-path magnetic holding relay capable of simultaneously cutting off the neutral line and the live line, comprising two sets of control loops and a magnetic circuit system 6; two sets of control loops, each set of said control loop consisting of a moving spring seat and a The static spring seat is composed, and the static spring seat of one of the control loops is connected to the first pin 1, the dynamic spring seat of the control loop of the group is connected to the fourth pin 4; the second spring of the other set of control loops is connected to the second lead The second spring pin 3 is connected to the third pin 3; the first pin 1 and the second pin 2 are input terminals, and the third pin 3 and the fourth pin 4 are outputs. The first pin and the second pin are connected to a set of neutral wires, and the third pin and the fourth pin are connected to a set of live wires, and the set of live wires and the set of neutral wires form a fire line and can be cut off at the same time. A zero-line loop; each of the control loops further includes a three-moving reed 7 in which one of the three movable springs 7 is bent and has an angle α of 10°. The magnetic circuit system 6 is laterally disposed in the magnetic holding relay, and the magnetic circuit system 6 is disposed perpendicular to each of the moving spring seat and the static spring seat; the magnetic circuit system 6 side is connected to the fourth pin 4 The movable spring seat, the other side is a static spring seat connecting the first pin 1, a static spring seat of the second pin 2, and a moving spring seat of the third pin 3; the magnetic circuit system 6 can provide a common single a magnetic force of 2 times of the return magnetic circuit; the magnetic circuit system 6 simultaneously pushes the moving spring seat in each group of the control circuit by a pushing force of the pushing piece 5 to control the opening and closing of the moving spring seat; The road system 6 can provide twice the magnetic force of a conventional single return magnetic circuit. The contact pressure of the contact control group in each of the control loops is greater than 300 g, and the contact holding force of the contact control group in each of the control loops is greater than 400 g.

Example 3

An input-to-four-output dual-path magnetic holding relay capable of simultaneously cutting off the neutral line and the live line, comprising two sets of control loops and a magnetic circuit system 6; two sets of control loops, each set of said control loop consisting of a moving spring seat and a The static spring seat is composed, and the static spring seat of one of the control loops is connected to the first pin 1, the dynamic spring seat of the control loop of the group is connected to the fourth pin 4; the second spring of the other set of control loops is connected to the second lead The second spring pin 3 is connected to the third pin 3; the first pin 1 and the second pin 2 are input terminals, and the third pin 3 and the fourth pin 4 are outputs. The first pin and the second pin are connected to a set of neutral wires, and the third pin and the fourth pin are connected to a set of live wires, and the set of live wires and the set of neutral wires form a fire line and can be cut off at the same time. A zero-line loop; each of the control loops further includes a three-moving spring 7 in which one of the three springs 7 is bent and has an angle α of 15°. The magnetic circuit system 6 is laterally disposed in the magnetic holding relay, and the magnetic circuit system 6 is disposed perpendicular to each of the moving spring seat and the static spring seat; the magnetic circuit system 6 side is connected to the fourth pin 4 The movable spring seat, the other side is a static spring seat connecting the first pin 1, a static spring seat of the second pin 2, and a moving spring seat of the third pin 3; the magnetic circuit system 6 can provide a common single a magnetic force of 2 times of the return magnetic circuit; the magnetic circuit system 6 simultaneously pushes the moving spring seat in each group of the control circuit by a pushing force of the pushing piece 5 to control the opening and closing of the moving spring seat; The road system 6 can provide twice the magnetic force of a conventional single return magnetic circuit. The contact pressure of the contact control group in each of the control loops is greater than 300 g, and the contact holding force of the contact control group in each of the control loops is greater than 400 g.

The above is a detailed description of the present invention in conjunction with the specific preferred embodiments, and the specific embodiments of the present invention are not limited to the description, and those skilled in the art can, without departing from the inventive concept. It is also possible to make a number of simple derivations or substitutions, which should be considered as belonging to the scope of patent protection as defined by the appended claims.

Claims

An input-to-four-output dual-path magnetic holding relay capable of simultaneously cutting off a neutral line and a live line, characterized in that it comprises two sets of control loops and a magnetic circuit system;

Two sets of control loops, each set of said control loop is composed of a moving spring seat and a static spring seat, and one of the control loops is connected to the first pin, and the set of control loops is connected to the fourth spring. a pin; another set of control loops of the spring block is connected to the second pin, the set of control loops of the spring block is connected to the third pin; the first pin and the second pin are connected to a set of neutral wires, The third pin and the fourth pin are connected to a set of live wires, and the set of live wires and the set of neutral wires form a circuit that can cut off the live wire and the neutral wire at the same time;

The magnetic circuit system is laterally disposed in the magnetic holding relay, and the magnetic circuit system is disposed perpendicular to each of the moving spring seat and the static spring seat; the magnetic circuit system simultaneously pushes each group by a pushing force of a pushing piece The moving spring seat in the control circuit controls the opening and closing of the moving spring seat.
The one-in, four-out type dual-path magnetic holding relay capable of simultaneously cutting off the neutral line and the live line according to claim 1, wherein the first pin and the second pin are input terminals, and the third lead The foot and the fourth pin are outputs.
The one-in, four-out type dual-path magnetic holding relay capable of simultaneously cutting off the neutral line and the live line according to claim 1, wherein each of said control loops further comprises a three-moving spring.
The two-input and two-out type magnetic retaining relay capable of simultaneously cutting off the neutral wire and the live wire according to claim 2, wherein one of the three movable springs is bent.
The one-in, four-out type dual-path magnetic holding relay capable of simultaneously cutting off the neutral wire and the live wire according to claim 4, wherein the moving spring is bent at an angle α of 5-20°.
The one-in, four-out type dual-path magnetic holding relay capable of simultaneously cutting off the neutral wire and the live wire according to claim 4, wherein the moving spring is bent at an angle α of 5-15°.
The one-in, four-out type dual-path magnetic holding relay capable of simultaneously cutting off the neutral wire and the live wire according to claim 1, wherein the contact pressure of the contact control group in each of the control circuits is greater than 300 g.
The invention relates to an input-to-four-output type two-way magnetic holding relay capable of simultaneously cutting off a neutral line and a live line according to claim 1, wherein: the contact holding force of the contact control group in each group of said control loops is greater than 400 g. .
The one-in, four-out type dual-path magnetic holding relay capable of simultaneously cutting off the neutral wire and the live wire according to claim 1, wherein the magnetic circuit system can provide twice the magnetic force of the ordinary single-circuit magnetic circuit.
The one-in, four-out type dual-path magnetic holding relay capable of simultaneously cutting off the neutral line and the live line according to claim 1, wherein one side of the magnetic circuit system is a moving spring seat connected to the fourth pin, and the other is The side is a static spring seat connecting the first pin, a spring spring seat of the second pin, and a spring spring seat of the third pin.