Relay capable of improving insulation and voltage resistance

Abstract

The utility model relates to the technical field of electric control devices, in particular to a relay capable of improving insulation and voltage resistance, which comprises a coil rack, an iron core is arranged on the coil rack, a coil is arranged on the periphery of the iron core, a pair of pin cavities is arranged on the rear surface of the lower half part of the coil rack, and coil leading-out pins are arranged and connected on the inner walls of the pin cavities. The left side of the coil rack is provided with a yoke, and the rear side of the coil rack is provided with a bottom plate. According to the utility model, the defects in the prior art are overcome, scraped plastic chips can flow into the insertion holes during insertion through the insertion holes, foreign matter pollution is reduced, a pin winding and binding mode is adjusted to be that the coil lead-out pin, the coil and the coil binding head are buried in the coil rack, and the position of the coil binding head is changed to one side of the coil lead-out pin, so that the wire is prevented from being scraped and broken, and the service life of the coil is prolonged. The bottom plate is installed on the coil leading-out pin side, effective isolation can be achieved, and poor voltage resistance is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of electric control devices, in particular to a relay with improved insulation withstand voltage. Background Art

[0002] A relay is an electrical control device. When the change in input quantity reaches the specified requirement, it will cause a predetermined step change in the controlled quantity in the electrical output circuit. The relay has an interactive relationship between the control system and the controlled system, and is usually used in automated control circuits. In fact, the relay is an "automatic switch" that uses a small current to control the operation of a large current, and plays the role of automatic adjustment, safety protection, and circuit conversion in the circuit.

[0003] Relays are widely used in the field of photovoltaic new energy. The withstand voltage between the coil and the contact of the existing relay structure cannot meet the requirements of improving the withstand voltage index, resulting in the withstand voltage breakdown point between the coil starting wire head and the yoke iron. It is necessary to redesign the pin insertion method and the winding wire head position to meet the requirements of improving the withstand voltage index between the relay contacts.

[0004] In order to solve the above problems, a relay with improved insulation withstand voltage is proposed. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a relay with improved insulation withstand voltage, which overcomes the deficiencies of the prior art and solves the problems mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a relay with improved insulation withstand voltage, comprising a coil frame, an iron core is arranged on the coil frame, a coil is arranged on the periphery of the iron core, a pair of pin cavities are opened on the rear surface of the lower half of the coil frame, and the inner wall of the pin cavity is arranged with a coil lead pin connected, a yoke is arranged on the left side of the coil frame, a bottom plate is arranged on the rear side of the coil frame, and a plug-in hole is formed on the front surface of the lower half of the coil frame, and the plug-in hole can allow scraped plastic chips to flow into the hole when plugged in, thereby reducing foreign matter contamination.

[0007] As a preferred technical solution of the utility model, a splicing block is formed on the left side of the upper half of the coil frame, and a docking port is opened on the left side of the splicing block.

[0008] The splicing block and the docking port can be snap-fitted with the yoke.

[0009] As a preferred technical solution of the utility model, the yoke is connected to the splicing block through a docking interface, and the structural dimensions of the yoke and the splicing block are matched.

[0010] As a preferred technical solution of the utility model, a docking port is formed on the rear side of the upper half of the coil frame, a docking block 2 is formed on the bottom plate, and the docking block 2 is adapted to the structural size of the docking port.

[0011] As a preferred technical solution of the utility model, a docking block 1 is provided on one side of the docking block 2, and the structural dimensions of the docking block 1 and the splicing block are matched.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The plug-in hole can allow the scraped plastic chips to flow into the hole during plugging, reducing foreign matter contamination. At the same time, the pin winding and tying method is adjusted to the coil lead-out pin, the coil, and the coil tying head is buried in the coil frame. The coil tying head position is moved to the side of the coil lead-out pin to prevent scratching and wire breakage. A bottom plate is installed on the side of the coil lead-out pin to effectively isolate it and prevent poor voltage resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A three-dimensional schematic diagram of the utility model Figure 1 ;

[0015] Figure 2 It is a schematic diagram of the yoke assembly of the utility model;

[0016] Figure 3 It is a schematic diagram of the bottom plate of the utility model;

[0017] Figure 4 For the utility model Figure 1 Partial schematic diagram at point A in the middle;

[0018] Figure 5 For the utility model Figure 1 Partial schematic diagram at point B in the middle.

[0019] In the figure: 1, coil frame; 101, docking port; 102, splicing block; 2, coil; 3, yoke; 4, pin cavity; 5, coil lead pin; 6, bottom plate; 601, docking block one; 602, docking block two; 7, iron core. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5A relay with improved insulation withstand voltage includes a coil frame 1, an iron core 7 is mounted on the coil frame 1, a coil 2 is arranged on the periphery of the iron core 7, a pair of pin cavities 4 are opened on the rear surface of the lower half of the coil frame 1, and the inner wall of the pin cavity 4 is connected to the coil lead pin 5, a yoke 3 is arranged on the left side of the coil frame 1, a bottom plate 6 is arranged on the rear side of the coil frame 1, and a plug-in hole is formed on the front surface of the lower half of the coil frame 1, and the plug-in hole can allow scraped plastic chips to flow into the hole when plugged in, thereby reducing foreign matter contamination.

[0022] Specifically, a splicing block 102 is formed on the left side of the upper half of the coil frame 1 , and a docking port 101 is opened on the left side of the splicing block 102 , so that the yoke 3 can be snap-fitted through the splicing block 102 and the docking port 101 .

[0023] Specifically, the yoke 3 is clamped with the splicing block 102 via the docking port 101 , and the structural dimensions of the yoke 3 and the splicing block 102 are adapted to each other.

[0024] Specifically, a docking port 101 is formed on the rear side of the upper half of the coil frame 1 , and a second docking block 602 is formed on the bottom plate 6 , and the second docking block 602 is adapted to the docking port 101 in structural size.

[0025] Specifically, a docking block 1 601 is provided on one side of the docking block 2 602 , and the structural dimensions of the docking block 1 601 and the splicing block 102 are adapted to each other.

[0026] Working principle: The plug-in hole can allow the scraped plastic chips to flow into the hole during plugging, reducing foreign matter contamination. At the same time, the pin winding head method is adjusted to the coil lead-out pin 5, coil 2, and the coil head is buried in the coil frame 1. The coil head position is moved to the side of the coil lead-out pin 5 to prevent scratching and wire breakage. A bottom plate 6 is installed on the side of the coil lead-out pin 5, which can effectively isolate and prevent poor voltage resistance.

[0027] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0028] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A relay with improved insulation withstand voltage, comprising a coil frame (1), characterized in that: An iron core (7) is arranged and mounted on the coil frame (1), a coil (2) is arranged on the periphery of the iron core (7), a pair of pin cavities (4) are opened on the rear surface of the lower half of the coil frame (1), and the inner wall of the pin cavity (4) is arranged and connected to the coil lead pin (5), a yoke (3) is arranged on the left side of the coil frame (1), and a bottom plate (6) is arranged on the rear side of the coil frame (1).

2. A relay with improved insulation withstand voltage according to claim 1, characterized in that: A splicing block (102) is formed on the left side of the upper half of the coil frame (1), and a docking port (101) is provided on the left side of the splicing block (102).

3. A relay with improved insulation withstand voltage according to claim 1, characterized in that: The yoke (3) is clamped with the splicing block (102) via a docking port (101), and the structural dimensions of the yoke (3) and the splicing block (102) are matched.

4. A relay with improved insulation withstand voltage according to claim 1, characterized in that: A docking port (101) is formed on the rear side of the upper half of the coil frame (1), and a second docking block (602) is formed on the bottom plate (6), and the structural dimensions of the second docking block (602) are compatible with those of the docking port (101).

5. A relay with improved insulation withstand voltage according to claim 4, characterized in that: A docking block 1 (601) is provided on one side of the docking block 2 (602), and the structural dimensions of the docking block 1 (601) and the splicing block (102) are compatible.

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