Structure for improving protection grade of circuit breaker
By adding multi-layer seals to the circuit breaker structure, the existing circuit breaker has been solved, the problem of insufficient protection level in harsh environments is improved, the reliability and service life of the product are improved, and the normal operation in harsh environments is ensured.
Patent Information
- Application Number
- CN202420005574.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-02
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-01-02
AI Technical Summary
The existing circuit breakers are insufficient in harsh use environments, which leads to the accessories being stuck and inactive, affecting normal use.
By adding seals to the circuit breaker structure, including the main mask, the top cover, between the base and the secondary terminal, between the handle and the main mask, between the arc extinguishing chamber and the top cover, the disconnection position lock knockdown Seals are provided at the bottom of the hole and the main mask to form a multi-layer sealing structure to prevent wind and sand from invading.
The protection level of the circuit breaker is improved, the reliability and service life in harsh environments are enhanced, and the problem of stuckness caused by wind and sand is avoided.
Smart Images
Figure CN222338190U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of circuit breakers, and in particular to a structure for improving the protection level of a circuit breaker. Background Art
[0002] With the continuous development and growth of new energy technology and photovoltaic industry, higher requirements are put forward for low-voltage electrical components. The application environment of low-voltage components is becoming more and more severe, so the protection level and reliability of low-voltage components are also put forward higher and higher requirements. The protection level of the existing traditional circuit breaker structure can no longer meet the further severe use environment, especially in the harsh use environment conditions such as wind and sand, the circuit breaker accessories are prone to get stuck and not work, affecting the normal use of the circuit breaker. Utility Model Content
[0003] The purpose of the utility model is to provide a structure for improving the protection level of the circuit breaker in view of the defect that the protection level of the existing circuit breaker is not enough under certain harsh operating conditions, which causes the circuit breaker accessories to be easily stuck and not operate, affecting the normal use of the circuit breaker. By adding sealing parts, the protection level of the product is improved to meet the reliability of product use under harsh operating conditions.
[0004] Technical Solution
[0005] In order to achieve the above technical purpose, the utility model provides a structure for improving the protection level of a circuit breaker, which includes a circuit breaker body and a plurality of seals, the body includes a base, the upper part of the front surface of the base is provided with a main mask, the upper surface of the base is provided with a top cover shell, the front side of the upper surface of the base is provided with a secondary terminal, the secondary terminal is covered by the main mask, the arc extinguishing chamber is located in the base, the handle is placed on the base and exposed from the hole on the main mask, and is characterized in that a seal is installed between the main mask and the top cover shell, the base and the secondary terminal.
[0006] In one of the embodiments, a second seal is installed between the main mask and the handle.
[0007] In one of the embodiments, a sealing member 3 is installed between the arc extinguishing chamber and the top cover shell.
[0008] In one of the embodiments, a seal 4 10 is provided at the position of the knock-out hole of the disconnected position of the main mask.
[0009] In one of the embodiments, a sealant five is provided at the heat dissipation hole position at the bottom of the main mask.
[0010] In one embodiment, the seal is in the shape of a frame formed along the mating surfaces of the main cover, the top cover shell, the base, and the secondary terminal 4.
[0011] In one of the embodiments, the second sealing member is a strip cover that is clamped at the fitting position of the main mask and the handle 6.
[0012] In one of the embodiments, the sealing member 3 is inserted at the joint between the arc extinguishing chamber and the top cover shell.
[0013] In one embodiment, the sealing member 4 is in the shape of a round cover.
[0014] In one embodiment, the sealing member five is a cover plate.
[0015] Beneficial Effects
[0016] The utility model provides a structure for improving the protection level of a circuit breaker, which includes a circuit breaker body and a plurality of seals. The body includes a base, a main mask is installed on the upper part of the front surface of the base, a top cover shell is installed on the upper surface of the base, a secondary terminal is installed on the front side of the upper surface of the base, the secondary terminal is covered by the main mask, an arc extinguishing chamber is located in the base, a handle is placed on the base and exposed from the hole on the main mask, a seal 1 is installed between the main mask and the top cover shell, the base, and the secondary terminal, a seal 2 is installed between the main mask and the handle, a seal 3 is installed between the arc extinguishing chamber and the top cover shell, a seal 4 is arranged at the knock-off hole position of the main mask disconnection position lock, and a seal 5 is arranged at the heat dissipation hole position at the bottom of the main mask. By adding seals, the protection level of the product is improved to meet the reliability of product use under harsh environmental conditions. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.
[0018] Attached Figure 1 This is a product diagram of a circuit breaker in an embodiment of the utility model;
[0019] Attached Figure 2 It is a schematic diagram of the sealing structure of the top cover shell and the arc extinguishing chamber in the embodiment of the utility model;
[0020] Attached Figure 3a It is a schematic diagram of the sealing structure of the heat dissipation holes at the bottom of the mask in the embodiment of the utility model;
[0021] Attached Figure 3b Schematic diagram of the position of the sealing member 5 in the embodiment of the utility model;
[0022] Attached Figure 3cis a position relationship diagram of the sealing member 5 and the heat dissipation hole in the embodiment of the utility model;
[0023] Attached Figure 4 This is a schematic structural diagram of a sealing member 1 in an embodiment of the utility model;
[0024] Attached Figure 5 This is a schematic diagram of the structure of the sealing member 2 in the embodiment of the utility model;
[0025] Attached Figure 6 This is a schematic diagram of the structure of the sealing member 3 in the embodiment of the utility model;
[0026] Attached Figure 7 This is a schematic structural diagram of a sealing member 4 in an embodiment of the present utility model;
[0027] Attached Figure 8 This is a schematic structural diagram of a sealing member 5 in an embodiment of the utility model; DETAILED DESCRIPTION
[0028] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0029] It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it may be directly on the other component or there may also be a central component. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may be a central component at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in the specification of this application are for illustrative purposes only and do not represent the only implementation method.
[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0031] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first feature is directly in contact with the second feature, or the first feature and the second feature are indirectly in contact through an intermediate medium. Moreover, a first feature being “above”, “above” or “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below” or “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0032] Unless otherwise defined, all technical and scientific terms used in the specification of this application have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used in the specification of this application includes any and all combinations of one or more related listed items.
[0033] Example
[0034] The existing circuit breakers have insufficient protection levels under certain harsh operating conditions, which may cause the circuit breaker accessories to become stuck and not operate, affecting the normal use of the circuit breaker. In order to solve this problem, the utility model provides a structure for improving the protection level of the circuit breaker, which includes a circuit breaker body and a plurality of seals, such as an accessory Figure 1 As shown, the body includes a base 1, a main mask 2 is installed on the upper part of the front surface of the base 1, a top cover shell 3 is installed on the upper surface of the base 1, a secondary terminal 4 is installed on the front side of the upper surface of the base 1, and the secondary terminal 4 is covered by the main mask 2. The arc extinguishing chamber 5 is located in the base 1, and the handle 6 is placed on the base 1 and exposed from the hole 201 on the main mask 2. A sealing member 7 is installed between the main mask 2 and the top cover shell 3, the base 1, and the secondary terminal 4. As shown in the attached Figure 4 As shown, specifically, the seal 1 7 is a frame-shaped structure formed along the mating surfaces of the main mask 2, the top cover shell 3, the base 1, and the secondary terminal 4. The seal 1 7 is sleeved on the mating surfaces of the main mask 2, the top cover shell 3, the base 1, and the secondary terminal 4.
[0035] A sealing member 8 is provided between the main mask 2 and the handle 6. Figure 5 As shown, specifically, the sealing member 2 8 is a strip cover, which is clamped at the matching position of the main mask 2 and the handle 6.
[0036] As attached Figure 2 As shown, a sealing member 9 is installed between the arc extinguishing chamber 5 and the top cover shell 3, specifically, as shown in the attached Figure 6 The seal 3 9 shown is inserted into the matching position of the arc extinguishing chamber 5 and the top cover shell 3.
[0037] The main mask 2 is disconnected and the lock knock-off hole is provided with a sealing member 10, as shown in the attached Figure 7 As shown, specifically, the sealing member 10 is in the shape of a round cover.
[0038] As attached Figure 3a and 3b , 3c, the inner side of the heat dissipation hole 12 at the bottom of the main mask 2 is provided with a sealing member 11, as shown in the attached Figure 8 As shown, specifically, the sealing member 5 11 is a cover plate.
[0039] This embodiment prevents sand and dust from intruding into the circuit breaker functional parts by adding a sealing member, thereby improving the protection level of the product, ensuring the reliability of the product under harsh environmental conditions, and extending the service life.
[0040] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0041] The above-mentioned embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the attached claims.
Claims
1. A structure for improving the protection level of a circuit breaker, comprising a circuit breaker body and a plurality of sealing members, wherein the body comprises a base (1), a main cover (2) is mounted on the upper part of the front surface of the base (1), a top cover shell (3) is mounted on the upper surface of the base (1), a secondary terminal (4) is mounted on the front side of the upper surface of the base (1), the secondary terminal (4) is covered by the main cover (2), an arc extinguishing chamber (5) is located in the base (1), a handle (6) is placed on the base (1) and exposed from a hole (201) on the main cover (2), and the structure is characterized in that: A sealing member (7) is installed between the main cover (2), the top cover shell (3), the base (1), and the secondary terminal (4).
2. A structure for improving the protection level of a circuit breaker according to claim 1, characterized in that: A second sealing member (8) is arranged between the main mask (2) and the handle (6).
3. A structure for improving the protection level of a circuit breaker according to claim 1, characterized in that: A sealing member 3 (9) is installed between the arc extinguishing chamber (5) and the top cover shell (3).
4. A structure for improving the protection level of a circuit breaker according to claim 1, characterized in that: A sealing member 4 (10) is provided at the position of the knock-out hole of the disconnected position lock of the main mask (2).
5. The structure for improving the protection level of a circuit breaker according to claim 1, characterized in that: A sealing member 5 (11) is provided at the heat dissipation hole position at the bottom of the main mask (2).
6. The structure for improving the protection level of a circuit breaker according to claim 1, characterized in that: The sealing member 1 (7) is in the shape of a frame formed along the mating surfaces of the main face mask (2), the top cover shell (3), the base (1), and the secondary terminal (4).
7. A structure for improving the protection level of a circuit breaker according to claim 2, characterized in that: The second sealing member (8) is a strip-shaped cover, which is clamped at the matching position of the main mask (2) and the handle (6).
8. The structure for improving the protection level of a circuit breaker according to claim 3, characterized in that: The sealing member 3 (9) is inserted into the matching position between the arc extinguishing chamber (5) and the top cover shell (3).
9. A structure for improving the protection level of a circuit breaker according to claim 4, characterized in that: The sealing member 4 (10) is in the shape of a round cover.
10. The structure for improving the protection level of a circuit breaker according to claim 5, characterized in that: The sealing member five (11) is a cover plate.