High-voltage-resistant and high-load household relay convenient to assemble

Abstract

The utility model discloses a high withstand voltage and high load household relay convenient to assemble, which comprises a relay shell and a framework box, a bottom plate is arranged on the surface of the relay shell, a lower static spring is arranged on the right side of the relay shell in a penetrating manner, an upper static spring is arranged on the right side of the lower static spring, and a coil pin is arranged in the bottom plate in a penetrating manner. The framework box is arranged at the bottom of the bottom plate, and a first coil is arranged in the middle of the bottom end of the framework box. According to the convenient-to-assemble high-voltage-withstanding and high-load household relay, the assembling mode of the movable spring and the yoke iron is changed into the buckling design, the installation is convenient, automatic machine assembling can be realized, the working procedure of splitting and riveting the movable spring is omitted while the electric conduction and heat dissipation area is increased, the production efficiency is improved, the product load and voltage-withstanding performance are improved, more use scenes of customers are met, and the practicability is high. The creepage distance between the contact and the coil is increased by adopting the partition plate, so that the withstand voltage is improved; and the double-pin design of the lower static spring and the upper static spring is adopted, so that the electric conduction and heat dissipation area of the load end is improved.

Description

Technical Field

[0001] This utility model relates to the field of relay technology, specifically to a high-voltage, high-load household relay that is easy to assemble. Background Technology

[0002] A relay is an electrical control device that responds to an input quantity ( Excitation quantity When the changes in electrical components meet the specified requirements, in the electrical system Output circuit Step The controlled quantity will produce a predetermined result. Automation A type of electrical appliance that changes its operation. It has an interactive relationship between a control system (also known as the input circuit) and a controlled system (also known as the output circuit). It is commonly used in... Small current In the control circuit, it is actually used Large current To control Automatic switch A kind of operation Automatic regulation Therefore, it plays a role in the circuit. Safety protection , Output circuit A relay is an electrical control device that performs functions such as switching circuits. It can be given a specified input quantity and maintain it for a sufficient time in electrical applications. Step The controlled quantity will produce a predetermined result. Automatic switch Changes. When the input quantity drops to a certain level and remains there for a sufficiently long time before returning to its initial state, the relay has an isolation function. Electromechanical integration Components, widely used in remote control, telemetry, communication, automatic control, Power electronics device and Control element The middle is the most important. Input variable Firstly, relays generally have the ability to reflect certain... Drive The relay includes a sensing mechanism (input section) for sensing quantities such as current, voltage, power, impedance, frequency, temperature, pressure, speed, and light; an actuator (output section) that controls the "on" and "off" states of the controlled circuit; and between the input and output sections of the relay, there are mechanisms for coupling and isolating the input quantities, processing functions, and controlling the output. Figure 1 The intermediate mechanism (drive section).

[0003] The utility model relates to a relay, including casing, the magnetic circuit subassembly of setting in the inside of casing, dynamic contact piece, static contact piece and push rod, the push rod is linked with dynamic contact piece, the magnetic circuit subassembly includes coil holder, coil, core and armature, the coil sets up on coil holder, the armature is connected with push rod, its characterized in that, the core is set up in the shape of U, the hollow portion that is equipped with on the coil holder, the core one end is inserted in the hollow portion of coil holder, the armature and dynamic, static contact piece are set up on the both sides of coil holder respectively, and the armature is set up on coil holder and thus can contact or separate with core, adopt above-mentioned technical scheme, the utility model provides a relay, and the core is set up with yoke iron integrally, reduces spare part, reduces assembly cost, and the assembly between coil holder is more convenient.

[0004] The following problems still exist similar to the above application:

[0005] The existing device has insufficient creepage distance, the maximum insulation withstand voltage is 1500VAC, and the heat dissipation area of the load end is insufficient, which cannot meet the load parameters of 20A and an environmental temperature of 105 DEG C.

[0006] Therefore, in view of the above, the existing structure and defects are studied and improved, and a high-voltage and high-load household relay convenient to assemble is provided, so as to achieve a more practical purpose. Utility model content

[0007] The utility model discloses a high-voltage and high-load household relay convenient to assemble, which solves the problems in the above background art.

[0008] To achieve the above object, the utility model provides the following technical scheme: a high-voltage and high-load household relay convenient to assemble, comprising a relay shell and a framework box, the surface of the relay shell is provided with a bottom plate, a lower static spring is arranged on the right side of the relay shell, an upper static spring is arranged on the right side of the lower static spring, a coil pin is arranged in the inside of the bottom plate, the framework box is arranged at the bottom of the bottom plate, and a coil one is arranged at the bottom end of the framework box.

[0009] Further, a partition plate is arranged at the bottom of the framework box, and a coil two (yoke iron) is arranged at the back side of the partition plate.

[0010] Further, an armature is arranged in the inside of the framework box, and a dynamic spring is arranged at the upper end of the armature.

[0011] Further, a yoke iron is arranged at the bottom inside of the dynamic spring, and a clamping sleeve is arranged at the left and right sides of the yoke iron.

[0012] Further, a clamping block is arranged on the inner wall of the partition plate (yoke iron), and the clamping block and the clamping sleeve are snap-connected.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] 1. The utility model discloses a buckle design is changed to the assembly mode of dynamic spring and yoke, and installation is convenient, and automatic machine assembly can be realized, and the production efficiency is improved, the product load and pressure resistance are improved, more use scene of customer is satisfied, the creepage distance between contact and coil is improved using the baffle, and the improvement of pressure resistance is realized, the design of double pin of lower static spring and upper static spring is used, and the conductive and heat dissipation area of load end is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 2 It is a main view structural schematic diagram of a high pressure resistance high load domestic relay convenient to assemble of the utility model;

[0016] Figure 3 It is a internal three -dimensional structure schematic diagram of a high pressure resistance high load domestic relay convenient to assemble of the utility model;

[0017] Figures 1-3 It is a internal three -dimensional structure schematic diagram of a high pressure resistance high load domestic relay skeleton box convenient to assemble of the utility model.

[0018] In the drawing: 1, relay shell;2, bottom plate;3, lower static spring;4, upper static spring;5, coil pin;6, skeleton box;7, coil one;8, baffle;9, armature;10, dynamic spring;11, yoke;12, clamping block;13, clamping sleeve;14, coil two. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantage of the embodiment of the utility model more clear, the technical scheme in the embodiment of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiment of the utility model, and obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment.

[0020] The utility model will be further described below in conjunction with the drawings and specific embodiment

[0021] EMBODIMENT

[0022] As Figures 1-3 Shown, including relay shell 1 and skeleton box 6, the surface of relay shell 1 is disposed with bottom plate 2, and the right side of relay shell 1 is provided with lower static spring 3, the right side of lower static spring 3 is provided with upper static spring 4, the inside of bottom plate 2 is provided with coil pin 5, skeleton box 6 is arranged at the bottom of bottom plate 2, the bottom end middle part of skeleton box 6 is provided with coil one 7, the bottom of skeleton box 6 is provided with baffle 8, and the rear side of baffle 8 is disposed with coil two 14;

[0023] In summary: the use of partition 8 to improve the creepage distance between the contact and coil 7, to achieve the improvement of withstand voltage; the use of lower static spring 3, upper static spring 4 double pin design, to improve the load end of the conductive and heat dissipation area.

[0024] As shown in Figures 1-3 The inside of the skeleton box 6 is provided with an armature 9, and the upper end of the armature 9 is provided with a moving spring 10, and the bottom inside of the moving spring 10 is provided with a yoke 11, and the left and right sides of the yoke 11 are provided with a sleeve 13, and the inner wall of the partition 8 (yoke) is provided with a clamping block 12, and the clamping block 12 and the sleeve 13 are snap connected;

[0025] In summary: the assembly mode of the moving spring 10 and the yoke 11 is changed to a snap design, which is convenient to install and can realize automatic machine assembly, increases the conductive and heat dissipation area while reducing the (split rivet spring) process, improves production efficiency, improves product load and withstand voltage performance, and meets more customer use scenarios.

[0026] Working principle: when the high-voltage and high-load household relay convenient to assemble is used, first, according to ​ , press the moving spring 10 and the yoke 11 to form a snap connection, which is convenient to assemble, increases the conductive and heat dissipation area of the moving spring 10 while reducing the (split rivet spring) process, the relay is usually composed of a coil 7, a coil pin 5, etc. When the coil 7 of the relay is energized, a magnetic field is generated around the iron core, which attracts the contact, so that the contact is closed, thereby energizing the circuit. In order to improve the insulation withstand voltage and load carrying capacity of the relay, a partition 8 is designed between the coil 7 and the yoke 11 to increase the creepage distance, so that the insulation withstand voltage is improved to 2500VAC.

[0027] The embodiments of the utility model are given for example and description, and are not exhaustive or limit the utility model to the disclosed forms. Many modifications and changes are obvious to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the utility model, and to enable those skilled in the art to understand the utility model so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. A high-voltage, high-load household relay that is easy to assemble, comprising a relay housing (1) and a frame box (6), characterized in that, The relay housing (1) has a base plate (2) on its surface, and a lower stationary spring (3) is provided on the right side of the relay housing (1). An upper stationary spring (4) is provided on the right side of the lower stationary spring (3). A coil pin (5) is provided inside the base plate (2). The skeleton box (6) is located at the bottom of the base plate (2). A coil (7) is provided at the middle of the bottom end of the skeleton box (6).

2. The easy-to-assemble high-voltage, high-load household relay according to claim 1, characterized in that, The bottom of the skeleton box (6) is provided with a partition (8), and a coil (14) is placed on the rear side of the partition (8).

3. The easy-to-assemble high-voltage, high-load household relay according to claim 1, characterized in that, The frame box (6) has an armature (9) inside, and a moving spring (10) is installed on the upper end of the armature (9).

4. The easy-to-assemble high-voltage, high-load household relay according to claim 3, characterized in that, The bottom inner side of the moving spring (10) is provided with a yoke (11), and the left and right sides of the yoke (11) are provided with sleeves (13).

5. A high-voltage, high-load household relay that is easy to assemble according to claim 2, characterized in that, The inner wall of the partition (8) is provided with a locking block (12), and the locking block (12) and the sleeve (13) are connected by a snap fastener.

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