Time relay dial switch protection structure

Abstract

The utility model relates to the technical field of time relays, in particular to a time relay dial switch protection structure, which comprises a digital display relay, a dial switch is arranged in the middle of the front surface of the digital display relay, and a protection cover mechanism is arranged on the front surface of the digital display relay and at the position of the dial switch. According to the time relay dial switch protection structure, the two groups of protection covers can be driven to be closed or opened according to use requirements through the protection cover mechanism, so that the dial switch is protected when the dial switch is not used, the digital display relay is provided with the transparent protection cover, so that the dial switch is not influenced by dust, water drops, oil drops and the like, and the service life of the dial switch is prolonged. The protection capability is greatly improved, and the service life of the digital display relay is effectively prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of time relays, in particular to a time relay code pull switch protection structure. Background Art

[0002] With the continuous development of digital technology and related majors, relay protection technology has also made great progress, such as the application of static relays in power systems. Among them, digital display time relays, as basic components, have been widely used in various relay protection and automatic control circuits, so that the action of the controlled equipment or circuit can obtain the required delay, and is used to achieve selective coordination of main protection and backup protection.

[0003] However, in recent years, digital time relays have repeatedly malfunctioned in power systems, causing great losses to users. The reasons for the malfunction include poor system environment and maintenance issues. The time setting of digital time relays is completed by DIP switches. Since the DIP switches of existing relays are exposed to the environment and are not dust-proof, waterproof, and oil-proof, the DIP switches can easily fail, resulting in a shortened relay life and frequent replacement.

[0004] Therefore, it is particularly important to design a time relay DIP switch protection structure to change the above technical defects and improve overall practicality. Utility Model Content

[0005] The utility model aims to provide a time relay DIP switch protection structure to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A time relay DIP switch protection structure comprises a digital display relay, a DIP switch is arranged at the middle position of the front of the digital display relay, and a protective cover mechanism is arranged at the front of the digital display relay and at the position of the DIP switch;

[0008] The protective cover mechanism includes two groups of fixed slide rails symmetrically distributed on the left and right, the outer side of the fixed slide rails is slidably sleeved with a sliding seat, a folding bracket is fixed to the front end of the sliding seat, a protective cover is provided on the side of the folding bracket facing the coding switch and away from the fixed slide rail, and mounting ear plates are provided on the top of the protective cover. Internal thread seats are installed on the left and right ends of the front of the digital display relay, and the internal threads of the internal thread seats are connected to an adjusting screw, and one end of the adjusting screw is rotatably connected to the tail of the folding bracket.

[0009] As a preferred solution of the utility model, the fixed slide rail is installed on the front side of the digital display relay and is located on the left and right sides of the DIP switch.

[0010] As a preferred solution of the utility model, the protective cover is made of transparent PVC material.

[0011] As a preferred solution of the utility model, the size of the internal structure formed after the two groups of protective covers are closed is compatible with the size of the external structure of the DIP switch.

[0012] As a preferred solution of the utility model, an internal threaded hole is opened inside the mounting ear plate, and a locking bolt is connected between the two groups of mounting ear plates.

[0013] As a preferred solution of the utility model, the other end of the adjusting screw is connected to an operating handle.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] In the utility model, a time relay DIP switch protection structure is set up, and the two sets of protection covers can be driven to close or open according to the use requirements through the protection cover mechanism, so as to protect the DIP switch when not in use. A transparent protection cover is provided on the digital display relay so that the DIP switch is not affected by dust, water droplets, oil droplets, etc., which greatly improves the protection capability and effectively prolongs the service life of the digital display relay. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0017] Figure 2 This is the overall structural diagram of the protective cover mechanism of the utility model;

[0018] Figure 3 This is a partial structural diagram of the protective cover mechanism of the utility model.

[0019] In the figure: 1. digital display relay; 2. DIP switch; 3. protective cover mechanism; 301. fixed slide rail; 302. sliding seat; 303. folding bracket; 304. protective cover; 305. mounting ear plate; 306. internal thread seat; 307. adjusting screw. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0022] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0024] For examples, see Figure 1-3 , the utility model provides a technical solution:

[0025] A time relay DIP switch protection structure comprises a digital display relay 1, a DIP switch 2 is arranged at the middle position of the front of the digital display relay 1, and a protection cover mechanism 3 is arranged at the front of the digital display relay 1 and at the position of the DIP switch 2.

[0026] In this embodiment, please refer to Figure 2 and Figure 3The protective cover mechanism 3 includes two groups of fixed slide rails 301 symmetrically distributed on the left and right sides, and the outer side of the fixed slide rail 301 is slidably sleeved with a sliding seat 302. The front end of the sliding seat 302 is fixed with a folding bracket 303. The folding bracket 303 is provided with a protective cover 304 on the side facing the code switch 2 and away from the fixed slide rail 301. The top of the protective cover 304 is provided with a mounting ear plate 305. The left and right ends of the front of the digital display relay 1 are both installed with an internal thread seat 306. The internal thread connection of the internal thread seat 306 There is an adjusting screw 307, one end of which is rotatably connected to the tail of the folding bracket 303. By rotating the adjusting screw 307 at the internal thread seat 306, the adjusting screw 307 pushes the folding bracket 303 under the drive of the thread, so that the folding bracket 303 drives the protective cover 504 to move toward the direction of the code switch 2 under the sliding cooperation of the fixed slide rail 301 and the sliding seat 302, until the two sets of protective covers 504 are closed, and finally the two sets of mounting ear plates 305 are locked by the locking bolts;

[0027] The fixed slide rail 301 is installed on the front of the digital display relay 1 and is located on the left and right sides of the DIP switch 2. The protective cover 304 is made of transparent PVC material, which is convenient for observing the situation of the internal DIP switch 2. The internal structure size formed after the two sets of protective covers 304 are closed is compatible with the external structure size of the DIP switch 2. An internal threaded hole is opened inside the mounting ear plate 305. A locking bolt is connected between the two sets of mounting ear plates 305 to make the fixation more secure. The other end of the adjusting screw 307 is connected to an operating handle for easy operation.

[0028] The working process of the utility model is as follows: when in use, by rotating the adjusting screw 307 at the internal thread seat 306, the adjusting screw 307 pushes the folding bracket 303 under the drive of the thread, so that the folding bracket 303 drives the protective cover 504 to approach the direction of the code switch 2 under the sliding cooperation of the fixed slide rail 301 and the sliding seat 302, until the two groups of protective covers 504 are closed, and finally the two groups of mounting ear plates 305 are locked by the locking bolts. The two groups of protective covers 304 can be driven to close or open according to the use requirements through the protective cover mechanism 3, so as to protect the code switch 2 when not in use. A transparent protective cover 304 is provided on the digital display relay 1 so that the code switch 2 is not affected by dust, water droplets, oil droplets, etc., which greatly improves the protection capability and effectively prolongs the service life of the digital display relay.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A time relay DIP switch protection structure, comprising a digital display relay (1), characterized in that: A DIP switch (2) is provided at a middle position on the front of the digital display relay (1), and a protective cover mechanism (3) is provided on the front of the digital display relay (1) at the position of the DIP switch (2); The protective cover mechanism (3) comprises two groups of fixed slide rails (301) symmetrically distributed on the left and right sides, the outer sides of the fixed slide rails (301) are slidably sleeved with a slide seat (302), a folding bracket (303) is fixed to the front end of the slide seat (302), a protective cover (304) is provided at one end of the folding bracket (303) facing the side of the code switch (2) and away from the fixed slide rail (301), and a mounting ear plate (305) is provided at the top of each of the protective covers (304), and internal thread seats (306) are installed at both left and right ends of the front side of the digital display relay (1), and an adjusting screw (307) is connected to the internal thread of the internal thread seat (306), and one end of the adjusting screw (307) is rotatably connected to the tail of the folding bracket (303).

2. A time relay DIP switch protection structure according to claim 1, characterized in that: The fixed slide rail (301) is installed on the front side of the digital display relay (1) and is located on the left and right sides of the DIP switch (2).

3. A time relay DIP switch protection structure according to claim 1, characterized in that: The protective cover (304) is made of transparent PVC material.

4. A time relay DIP switch protection structure according to claim 1, characterized in that: The size of the internal structure formed when the two sets of protective covers (304) are closed matches the size of the external structure of the DIP switch (2).

5. A time relay DIP switch protection structure according to claim 1, characterized in that: An internal threaded hole is provided inside the mounting ear plate (305), and a locking bolt is connected between the two groups of mounting ear plates (305).

6. A time relay DIP switch protection structure according to claim 1, characterized in that: The other end of the adjusting screw (307) is connected to an operating handle.

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