Low-voltage wire inlet cabinet

Abstract

The utility model relates to the technical field of low-voltage inlet wire cabinets, in particular to a low-voltage inlet wire cabinet, which comprises a cabinet body, an identification label is mounted on the upper edge of the front surface of the cabinet body, a heat dissipation cavity is arranged at the bottom end in the cabinet body, and a mounting cavity and an L-shaped control cavity are sequentially separated from left to right in the cabinet body and positioned on the upper edge of the heat dissipation cavity. An induced draft fan is installed on the side, close to the L-shaped control cavity, of the top of the mounting cavity in a penetrating mode, and an exhaust fan is installed at the position, embedded into the heat dissipation cavity, of the top of the mounting cavity. The low-voltage inlet wire cabinet fire monitoring device can avoid short-circuit damage of power elements caused by dust entering, avoid overheating damage, prolong the service life of the power elements, and facilitate timely alarm of real-time detection of internal fire smoke, thereby ensuring installation, operation and use of real-time low-voltage inlet wire cabinet fire monitoring, and being high in stability and practicability and having certain popularization value.

Description

Technical Field

[0001] The utility model relates to the technical field of low-voltage incoming line cabinets, in particular to a low-voltage incoming line cabinet. Background Art

[0002] The low-voltage incoming line cabinet is an important component of the electrical distribution system. It is used to assume the role of power incoming and outgoing lines. It is one of the most basic distribution equipment in the power system. The principle of the low-voltage incoming line cabinet can be simply described as: through the input of external power supply, it is controlled and protected by the circuit breaker or disconnector in the incoming line cabinet, and then the electric energy is measured through the electric energy meter, and the motor is protected by the motor protector.

[0003] The existing low-voltage incoming line cabinet still has shortcomings, as follows: it does not have a convenient filtering and dust removal air intake and efficient circulation exhaust treatment structure, which inevitably causes short-circuit damage to power components and overheating damage caused by dust entry, affecting the service life of power components. At the same time, it is not convenient for real-time detection of internal fire smoke and timely alarm, making it difficult to ensure the installation, operation and use of real-time low-voltage incoming line cabinet fire monitoring.

[0004] Therefore, it is necessary to design a low-voltage incoming line cabinet to solve the problems in the above-mentioned background technology. Utility Model Content

[0005] The purpose of the utility model is to provide a low-voltage incoming line cabinet 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 low-voltage incoming line cabinet comprises a cabinet body, an identification sign is installed on the upper edge of the front side of the cabinet body, a heat dissipation cavity is arranged at the inner bottom end of the cabinet body, an installation cavity and an L-shaped control cavity are sequentially separated from left to right inside the cabinet body and located at the upper edge of the heat dissipation cavity, an induced draft fan is installed through the top of the installation cavity close to the side of the L-shaped control cavity, an exhaust fan is installed inside the top of the installation cavity embedded in the heat dissipation cavity, a smoke sensor is installed on the back side of the inner wall of the installation cavity, and a fire alarm is installed on the left side of the cabinet body.

[0008] As a preferred solution of the present invention, a cabinet door is installed on the front side of the cabinet body close to the installation cavity through a door hinge.

[0009] As a preferred solution of the utility model, an air inlet filter is installed inside the L-shaped control cavity on the right side of the cabinet, and a dust filter plate is installed inside the L-shaped control cavity on the right side of the cabinet and located on the upper edge of the air inlet filter.

[0010] As a preferred solution of the utility model, the inner wall of the L-shaped control cavity is installed with a U-shaped card-mounting seat whose size matches the installation of the dust removal filter plate.

[0011] As a preferred solution of the utility model, the inner wall of the heat dissipation cavity passes through the front and rear sides of the cabinet and is provided with a plurality of heat dissipation holes.

[0012] As a preferred solution of the utility model, the outer surface of the identification sign is marked with a slogan font of the low-voltage incoming line cabinet.

[0013] As a preferred solution of the present invention, the smoke sensor is electrically connected to the fire alarm.

[0014] As a preferred solution of the utility model, two induced draft fans and two exhaust fans are provided, and the two induced draft fans and the two exhaust fans are arranged in one-to-one correspondence.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. In the utility model, an L-shaped control cavity with an air inlet filter and a dust filter plate is arranged on the cabinet body, and the induced draft fan arranged in the L-shaped control cavity through the installation cavity and the exhaust fan arranged in the installation cavity through the heat dissipation cavity are arranged, so that it is convenient to filter and remove dust from the circulating airflow entering the installation cavity, which can avoid short-circuit damage to the power components caused by dust entering the installation cavity, and timely output the hot air of the power components in the installation cavity through the exhaust fan, so as to avoid overheating damage and extend the service life of the power components, and the smoke sensor is arranged to cooperate with the fire alarm, so as to facilitate the real-time detection and timely alarm of fire smoke in the safety cavity, thereby ensuring the installation, operation and use of real-time low-voltage incoming line cabinet fire monitoring. The structure is simple and has convenient filtering and dust removal of air inlet and efficient circulation and exhaust treatment structure, which can avoid short-circuit damage to the power components caused by dust entry and avoid overheating damage and extend the service life of the power components, and at the same time facilitate the real-time detection and timely alarm of internal fire smoke, thereby ensuring the installation, operation and use of real-time low-voltage incoming line cabinet fire monitoring. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The overall three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0018] Figure 2 The overall three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0019] Figure 3 It is a schematic diagram of the overall internal structure of the utility model.

[0020] In the figure: 1. cabinet body; 11. installation cavity; 111. cabinet door; 12. L-shaped control cavity; 121. air inlet filter; 122. dust filter plate; 13. heat dissipation cavity; 131. heat dissipation hole; 14. identification plate; 2. smoke sensor; 3. fire alarm; 4. induced draft fan; 5. exhaust fan. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in 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 in 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.

[0022] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. 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.

[0023] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may 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 herein are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein 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 herein includes any and all combinations of one or more of the related listed items.

[0025] For examples, see Figure 1-3 The utility model provides a technical solution:

[0026] A low-voltage incoming line cabinet comprises a cabinet body 1, an identification sign 14 is installed on the upper edge of the front face of the cabinet body 1, the outer surface of the identification sign 14 is marked with the slogan font of the low-voltage incoming line cabinet, a heat dissipation cavity 13 is provided at the inner bottom end of the cabinet body 1, an installation cavity 11 and an L-shaped control cavity 12 are sequentially separated from left to right inside the cabinet body 1 and located at the upper edge of the heat dissipation cavity 13, a cabinet door 111 is installed on the side of the front face of the cabinet body 1 close to the installation cavity 11 through a door hinge, an induced draft fan 4 is installed through the side of the top of the installation cavity 11 close to the L-shaped control cavity 12, an exhaust fan 5 is installed inside the top of the installation cavity 11 embedded in the heat dissipation cavity 13, a smoke sensor 2 is installed on the back of the inner wall of the installation cavity 11, and a fire alarm 3 is installed on the left side of the cabinet body 1.

[0027] In this embodiment, please refer to Figure 1 , Figure 2 and Figure 3 An air inlet filter 121 is installed on the right side of the cabinet 1 through the L-shaped control cavity 12, and a dust filter plate 122 is installed on the right side of the cabinet 1 and located on the upper edge of the air inlet filter 121 and embedded in the L-shaped control cavity 12. A U-shaped card-mounting seat with a size matching the installation of the dust filter plate 122 is installed on the inner wall of the L-shaped control cavity 12. A plurality of heat dissipation holes 131 are opened on the inner wall of the heat dissipation cavity 13 through the front and rear sides of the cabinet 1. Two induced draft fans 4 and two exhaust fans 5 are each provided, and the two induced draft fans 4 and the exhaust fans 5 are arranged one-to-one. The L-shaped control cavity 12 provided with an air inlet filter 121 and a dust filter plate 122 is coordinated with the induced draft fan 4 provided in the L-shaped control cavity 12 and the exhaust fan 5 provided in the installation cavity 11 and the heat dissipation cavity 13, so as to facilitate filtering and dust removal of the circulating airflow entering the installation cavity 11, thereby preventing short-circuit damage to the power components caused by dust entering the installation cavity 11, and timely output the hot air of the power components in the installation cavity 11 through the exhaust fan 5, thereby preventing overheating damage and extending the service life of the power components.

[0028] In this embodiment, please refer to Figure 1 and Figure 3 The smoke sensor 2 is electrically connected to the fire alarm 3. By setting the smoke sensor 2 in conjunction with the fire alarm 3, the real-time detection of fire smoke inside the safety cavity 11 is facilitated to promptly alarm, thereby ensuring the installation, operation and use of real-time low-voltage incoming cabinet fire monitoring.

[0029] Working principle: When in use, the L-shaped control chamber 12 with the air inlet filter 121 and the dust filter plate 122 provided on the cabinet 1 cooperates with the induced draft fan 4 provided in the L-shaped control chamber 12 through the installation chamber 11 and the exhaust fan 5 provided in the installation chamber 11 through the heat dissipation chamber 13, so as to facilitate the filtering and dust removal of the circulating airflow entering the installation chamber 11, thereby avoiding the short circuit damage of the power components caused by the dust entering the installation chamber 11, and timely outputting the hot air of the power components in the installation chamber 11 through the exhaust fan 5, thereby avoiding the overheating damage and extending the service life of the power components, and through the provided The smoke sensor 2 cooperates with the fire alarm 3 to facilitate the real-time detection of fire smoke inside the safety cavity 11 and the timely alarm, thereby ensuring the installation, operation and use of real-time low-voltage incoming cabinet fire monitoring. The overall structure is simple, with convenient filtering and dust removal of air intake and efficient circulation exhaust treatment structure, which can avoid short-circuit damage to power components caused by dust entry and avoid overheating damage to extend the service life of power components. At the same time, it is convenient for real-time detection of internal fire smoke and the timely alarm, thereby ensuring the installation, operation and use of real-time low-voltage incoming cabinet fire monitoring, and has high stability and practicality, and has certain promotion value.

[0030] Although 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 low voltage incoming line cabinet, comprising a cabinet body (1), characterized in that: An identification sign (14) is installed on the upper edge of the front face of the cabinet (1); a heat dissipation cavity (13) is provided at the bottom end of the interior of the cabinet (1); an installation cavity (11) and an L-shaped control cavity (12) are sequentially separated from left to right inside the cabinet (1) and located at the upper edge of the heat dissipation cavity (13); an induced draft fan (4) is installed through the top of the installation cavity (11) close to the L-shaped control cavity (12); an exhaust fan (5) is installed inside the top of the installation cavity (11) embedded in the heat dissipation cavity (13); a smoke sensor (2) is installed on the back of the inner wall of the installation cavity (11); and a fire alarm (3) is installed on the left side of the cabinet (1).

2. A low voltage incoming line cabinet according to claim 1, characterized in that: A cabinet door (111) is installed on a side of the front of the cabinet body (1) close to the installation cavity (11) via a door hinge.

3. A low voltage incoming line cabinet according to claim 1, characterized in that: An air inlet filter (121) is installed on the right side of the cabinet (1) and penetrates through the L-shaped control cavity (12), and a dust removal filter plate (122) is installed on the right side of the cabinet (1) and is located at the upper edge of the air inlet filter (121) and embedded in the L-shaped control cavity (12).

4. A low voltage incoming line cabinet according to claim 1, characterized in that: The inner wall of the L-shaped control chamber (12) is provided with a U-shaped card-mounting seat whose size matches that of the dust removal filter plate (122).

5. The low voltage incoming line cabinet according to claim 1, characterized in that: The inner wall of the heat dissipation cavity (13) passes through the cabinet (1) and is provided with a plurality of heat dissipation holes (131) on both the front and rear sides.

6. A low voltage incoming line cabinet according to claim 1, characterized in that: The outer surface of the identification sign (14) is marked with a slogan font of the low-voltage incoming line cabinet.

7. The low voltage incoming line cabinet according to claim 1, characterized in that: The smoke sensor (2) is electrically connected to the fire alarm (3).

8. The low voltage incoming line cabinet according to claim 1, characterized in that: Two of the induced draft fans (4) and two of the exhaust fans (5) are provided, and the two induced draft fans (4) and the two exhaust fans (5) are arranged in a one-to-one correspondence.

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