Outdoor low-voltage isolating switch

Abstract

The utility model provides an outdoor low-voltage isolation switch, which comprises a protection box, support columns symmetrically arranged at the bottom of the inner side wall of the protection box, a low-voltage isolation switch body arranged at the upper parts of the two support columns, a through hole arranged at the axis of the upper part of the protection box, and a dry powder extinguisher arranged at the upper part of the protection box and corresponding to the through hole. A temperature sensor is arranged on the vertical face of one side of the protection box, an inductive probe of the temperature sensor extends into the protection box, a controller is arranged on one side of the upper portion of the protection box, and an alarm is arranged on the other side of the upper portion of the protection box. And damage to residents and properties thereof is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of fire protection of low-voltage isolating switches, in particular to an outdoor low-voltage isolating switch. Background Art

[0002] A low-voltage isolating switch is a switching device specially used in low-voltage power systems to achieve a clear disconnection between electrical equipment or lines and power supplies; its main function is to provide an obvious disconnection point to ensure that workers can be safely isolated from live parts during equipment maintenance, inspection or troubleshooting to prevent electric shock accidents.

[0003] In residential power supply systems such as residential buildings, villas, and apartments, low-voltage isolating switches are used to isolate and control main incoming lines and branch circuits. However, in the prior art, low-voltage isolating switches do not have fire extinguishing devices. If a fire occurs, it will cause damage to residents and property. Therefore, the utility model provides an outdoor low-voltage isolating switch, so that the low-voltage isolating switch can directly extinguish the fire when a fire occurs, thereby preventing damage to residents and their property. Utility Model Content

[0004] In view of this, the utility model provides an outdoor low-voltage isolating switch, which can directly extinguish fire when a fire occurs by providing a protective box and a dry powder fire extinguisher, thereby preventing damage to residents and their property.

[0005] In order to solve the above technical problems, the utility model provides an outdoor low-voltage isolating switch, including a protection box, support columns are symmetrically arranged at the bottom of the inner wall of the protection box, the support columns are connected to the bottom of the inner wall of the protection box by bolts, a low-voltage isolating switch body is arranged on the upper part of the two support columns, the low-voltage isolating switch is connected to the upper part of the two support columns by bolts, a through hole is opened at the axis center of the upper part of the protection box, the through hole can be opened by a hole opener, a dry powder fire extinguisher is arranged at the position corresponding to the through hole on the upper part of the protection box, the dry powder fire extinguisher is connected to the upper part of the protection box by bolts, and its powder spraying head extends into the protection box and above the low-voltage isolating switch body, a temperature sensor is arranged on a vertical surface on one side of the protection box, the temperature sensor is connected to the outer wall of the protection box by bolts, and the induction probe of the temperature sensor extends into the interior of the protection box, a controller is arranged on one side of the upper part of the protection box, the controller is connected to one side of the upper part of the protection box by bolts, an alarm is arranged on the other side of the upper part of the protection box, the alarm is connected to the other side of the upper part of the protection box by bolts, and a fixing plate is arranged at the lower part of the outer wall of the protection box, and the fixing plate is welded to the outer wall of the protection box.

[0006] Corresponding vertical surfaces on both sides of the protection box are provided with threading holes, and the threading holes can be opened on both sides of the protection box by a hole opener.

[0007] An opening and closing door is arranged on one side of the protection box, and the opening and closing door is connected to the one side of the protection box through a hinge plate.

[0008] A handle is arranged on a vertical surface on one side of the opening and closing door, and the handle is connected to the vertical surface on one side of the opening and closing door through bolts.

[0009] The dry powder fire extinguisher is set as a suspended dry powder automatic fire extinguisher.

[0010] The alarm is set as an audible and visual alarm.

[0011] Both the temperature sensor and the alarm need to be connected to the controller via signal lines.

[0012] The beneficial effects of the above technical solution of the utility model are as follows:

[0013] 1. By installing a protective box and dry powder fire extinguisher, the low-voltage isolating switch can directly extinguish the fire in case of fire, preventing damage to residents and their property.

[0014] 2. By setting up temperature sensors, controllers and alarms, when the temperature sensor senses high temperature, it can transmit signals to the controller, so that the controller can control the alarm to sound an alarm, and the alarm can emit lights and sound an alarm so that residents and surrounding people can quickly discover it and avoid causing greater losses.

[0015] 3. The opening and closing door can be set to further protect the low-voltage isolating switch body inside the protection box to prevent it from being damaged by external objects. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 It is a schematic diagram of the overall structure of the other side of the utility model.

[0018] In the figure: 101, protective box; 102, supporting column; 103, low-voltage isolating switch body; 104, temperature sensor; 105, controller; 106, dry powder fire extinguisher; 107, opening and closing door; 108, alarm; 109, fixing plate; 110, threading hole; 111, handle. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-2, the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0020] like Figure 1 As shown: an outdoor low-voltage isolating switch includes a protection box 101. The protection box 101 is provided so that the low-voltage isolating switch body 103 is protected inside it, which can prevent damage to it by external objects, and can block the fire when it starts. When extinguishing the fire point, it can also be convenient to close it, so that the extinguishing speed is improved. The bottom of the inner wall of the protection box 101 is symmetrically provided with support columns 102. The support columns 102 are provided so that the low-voltage isolating switch body 103 can be prevented from directly contacting the protection box 101, thereby avoiding To avoid short circuit, the support column 102 is connected to the bottom of the inner wall of the protection box 101 by bolts, so that the support column 102 can be easily disassembled and assembled, and a low-voltage isolating switch body 103 is arranged on the upper part of the two support columns 102. The low-voltage isolating switch is connected to the upper part of the two support columns 102 by bolts, so that the low-voltage isolating switch body 103 can be easily disassembled and assembled. A through hole is opened at the axis center of the upper part of the protection box 101. The through hole is set so that the powder spray head of the dry powder fire extinguisher 106 can be extended into the protection box 101 to extinguish the fire point when necessary.

[0021] like Figure 1 , 2As shown: the perforation can be opened by a hole opener, so that the connection structure is more stable, and a dry powder fire extinguisher 106 is arranged at the position corresponding to the perforation on the upper part of the protection box 101. The dry powder fire extinguisher 106 is arranged so that when the low-voltage disconnect switch body 103 catches fire due to an accident, it can be quickly extinguished. The dry powder fire extinguisher 106 is connected to the upper part of the protection box 101 by bolts, so that the dry powder fire extinguisher 106 can be easily disassembled and assembled, and then the dry powder fire extinguisher 106 can be easily replaced after use, and its powder spraying head extends into the protection box 101 and above the low-voltage disconnect switch body 103, so that it can be aimed at the fire point for rapid fire extinguishing. The protection box 101 A temperature sensor 104 is arranged on a vertical surface on one side. The temperature sensor 104 is arranged so that when it senses high temperature, it can transmit a signal to the controller 105, so that the controller 105 controls the alarm 108 to sound an alarm, so that the alarm 108 can turn on the light and sound the alarm so that residents and surrounding personnel can quickly discover it and avoid causing greater losses. A fixing plate 109 is arranged on the lower part of the outer wall of the protection box 101. The fixing plate 109 is arranged so that the various components thereon can be fixed, thereby preventing the protection box 101 and the various components thereon from shaking. The fixing plate 109 is welded to the outer wall of the protection box 101, so that its connection structure is more stable.

[0022] like Figure 1 , 2 As shown: the temperature sensor 104 is connected to the outer wall of the protection box 101 by bolts, so that the temperature sensor 104 can be easily disassembled and assembled, and the sensing probe of the temperature sensor 104 extends into the protection box 101, so that it can better sense the internal temperature, and the temperature sensed and triggered by the temperature sensor 104 needs to be set to above 110°C, because the temperature generated by the low-voltage disconnector body 103 using silver-plated or nickel-plated contacts is the highest, and its maximum allowable temperature is 105°C, so it can be set to 110°C. A controller 105 is provided on one side of the upper part of the protection box 101 A controller 105 is provided so as to receive a signal through the controller 105, and then transmit the received signal to the alarm 108 for alarming. The controller 105 is connected to one side of the upper part of the protection box 101 by bolts, so that the controller 105 can be easily disassembled and assembled. An alarm 108 is provided on the other side of the upper part of the protection box 101. The alarm is provided so as to emit light and sound an alarm so that the surrounding residents and personnel can quickly find it and avoid causing greater losses. The alarm 108 is connected to the other side of the upper part of the protection box 101 by bolts, so that the alarm 108 can be easily disassembled and assembled.

[0023] like Figure 1 , 2As shown: the corresponding vertical surfaces on both sides of the protection box 101 are provided with threading holes 110, and the threading holes 110 are provided so that the wires can pass through them for connection. The threading holes 110 can be opened on both sides of the protection box 101 by a hole opener, so that its connection structure is more stable. An opening and closing door 107 is provided on one side of the protection box 101. The opening and closing door 107 is provided so that the low-voltage isolating switch body 103 inside the protection box 101 can be further protected to prevent it from being damaged by external objects. The opening and closing door 107 is connected to one side of the protection box 101 through a hinge plate, so that the opening and closing door 107 is easy to open and close. A handle 1 is provided on the vertical surface of one side of the opening and closing door 107. 11. A handle 111 is provided to facilitate the opening and closing of the door 107. The handle 111 is connected to a vertical surface on one side of the door 107 by bolts, so that the handle 111 can be easily disassembled and assembled. The dry powder fire extinguisher 106 is provided as a suspended dry powder automatic fire extinguisher so that when it reaches a set threshold, the fire extinguisher can be automatically triggered to release the dry powder fire extinguishing agent. The alarm 108 is provided as an audible and visual alarm 108, so that it can emit light and sound, so that the surrounding residents can quickly discover the danger. The temperature sensor 104 and the alarm 108 need to be connected to the controller 105 through a signal line, so that the signal emitted by the temperature sensor 104 can control the alarm 108 to alarm.

Claims

1. An outdoor low-voltage isolating switch, characterized in that: The invention comprises a protection box (101), wherein support columns (102) are symmetrically arranged at the bottom of the inner wall of the protection box (101), a low-voltage isolating switch body (103) is arranged on the upper part of the two support columns (102), a through hole is opened at the axis center of the upper part of the protection box (101), a dry powder fire extinguisher (106) is arranged at the position corresponding to the through hole on the upper part of the protection box (101), a temperature sensor (104) is arranged on a vertical surface of one side of the protection box (101), and the induction probe of the temperature sensor (104) extends into the interior of the protection box (101), a controller (105) is arranged on one side of the upper part of the protection box (101), an alarm (108) is arranged on the other side of the upper part of the protection box (101), and a fixing plate (109) is arranged on the lower part of the outer wall of the protection box (101).

2. The outdoor low-voltage isolating switch according to claim 1, characterized in that: Corresponding vertical surfaces on both sides of the protection box (101) are provided with threading holes (110).

3. The outdoor low-voltage isolating switch according to claim 2, characterized in that: An opening and closing door (107) is provided on one side of the protection box (101).

4. The outdoor low-voltage isolating switch according to claim 3, characterized in that: A handle (111) is provided on a vertical surface on one side of the opening and closing door (107).

5. The outdoor low-voltage disconnect switch according to claim 1, characterized in that: The dry powder fire extinguisher (106) is configured as a suspended dry powder automatic fire extinguisher.

6. The outdoor low-voltage isolating switch according to claim 1, characterized in that: The alarm (108) is configured as an audible and visual alarm.

7. The outdoor low-voltage disconnect switch according to claim 1, characterized in that: The temperature sensor (104) and the alarm (108) must both be connected to the controller (105) via a signal line.

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