CN210806939U - Motor junction box structure with built-in smoke alarm device - Google Patents

Abstract

The utility model relates to the technical field of motors, and discloses a motor junction box structure with a built-in smoke alarm device, which comprises a smoke sensor and a smoke alarm device which are arranged inside the motor junction box; the motor junction box comprises a box body with an opening at the top end and a cover plate used for covering the box body; a binding post is arranged in the box body; the wiring terminal is positioned below the cover plate; the smoke alarm is arranged below the cover plate and above the binding post; the smoke alarm used is close to the terminal. The utility model discloses can become flexible the timely warning of getting on fire to the terminal.

Description

A motor junction box structure with built-in smoke alarm device

technical field

The utility model belongs to the technical field of motors, and relates to a motor junction box structure with a built-in smoke alarm device.

Background technique

Ordinary non-explosion-proof motors are the most commonly used electric drive equipment in the industrial field. During the use process, the terminals of the junction box are often loose due to the long-term use. When the voltage is high and the instantaneous current of the motor is large, the loose terminals may be loose. Sparks are generated locally and overheating, and in severe cases, the insulating layer will catch fire, resulting in safety accidents such as fire. At present, there are no better preventive measures.

Typically, smoke alarms are installed around the junction box in order to prevent the insulation from catching fire. However, with such an installation structure, the smoke alarm can only alarm after the junction box catches fire and the burning smoke spreads into the air and contacts the smoke alarm. Such a structure often results in a delay in the alarm and cannot contain the fire in time.

Utility model content

The utility model provides a motor junction box design with a built-in smoke alarm device, which is used to solve the problem of the alarm delay of the current smoke alarm device.

The technical scheme adopted by the utility model to solve the above technical problems is: a motor junction box structure with a built-in smoke alarm device, including a smoke sensor and a smoke alarm arranged inside the motor junction box; the motor junction box includes a top-opening a box body and a cover plate used to cover the box body; the box body is provided with a wiring post; the wiring post is located under the cover plate; the smoke alarm is arranged under the cover plate and the Above the terminal; the smoke alarm being used is close to the terminal.

The advantages of this scheme are:

Compared with the current smoke alarm that can only be installed outside the junction box, only when the smoke and dust burning in the junction box diffuses into the air, the smoke sensor and the smoke alarm can detect the fire and give an alarm. In this solution, the smoke sensor is directly connected. Installed in the junction box with the smoke alarm, it can detect the burning of the terminal at the beginning of the fire in time, and alarm through the smoke alarm, which effectively solves the problem of the current alarm delay, and can prevent the fire from spreading from the motor junction box. When you go out, call the police to stop it in time.

Further, an installation box is arranged on the cover plate, the smoke alarm is arranged in the installation box, the smoke sensor is arranged outside the installation box, and a through hole for the wire to pass through is arranged on the side of the installation box.

The smoke alarm is installed in the installation box, which can temporarily protect the smoke alarm when the terminal is on fire. The smoke sensor is installed outside the installation box, which can directly and quickly detect the change of air concentration after the terminal is on fire, and then Improve the sensitivity of detection of fire, so as to timely alarm.

Further, the cover plate above the installation box is provided with installation holes for the wires to pass through.

The wires connecting the electronic components in the installation box are connected to other components such as the power supply through the installation holes through the installation holes.

Further, the installation box includes a plurality of insulating plates that are seamlessly connected.

Through the insulating plate, an insulating space is formed in the installation box, and the electronic components in the installation box are protected from fire.

Further, the outer side of the insulating plate is provided with a balloon containing dry fire extinguishing powder.

When the flame touches the balloon, it will destroy the structure of the balloon, so that the fire extinguishing dry powder in the balloon falls, and the fire extinguishing dry powder falls on the fire place of the terminal post to extinguish the fire.

Further, a control module and a storage module connected thereto are arranged in the installation box, and the control modules are respectively connected with the smoke alarm and the smoke sensor.

Through the control module and the storage module, the alarm of the smoke alarm can be automatically controlled according to the prior art, so that the entire alarm and fire extinguishing process is more timely and intelligent.

Further, the installation box is provided with a backup power module respectively connected with the control module and the storage module.

The smoke sensor and smoke alarm are powered by the backup power module, so that they can work normally in the case of external power failure.

Further, the installation box is provided with a data transmission interface extending out of the installation box, and the data transmission interface is connected with the control module.

Through the data transmission interface, the control module is connected with the external electronic equipment. Enable workers to operate remotely. When the terminal is partially overheated and smoke is generated, the smoke alarm device will be triggered to warn the on-site personnel or remote monitoring personnel to quickly eliminate possible hidden dangers and avoid causing greater losses.

Further, there are multiple smoke sensors, and the smoke sensors are all arranged around the terminal.

With multiple smoke sensors, it can accurately detect whether there is a fire around the terminal from various angles.

Further, a tension spring for fixing the connection post is provided on the terminal, and a tension sensor for detecting the tension force of the tension spring is connected to the tension spring, and the tension sensor is connected with the control module.

The tension change of the tension spring is detected by the tension sensor, and the detection and feedback are carried out at the first time when the terminal is loose, and the possibility of the loose terminal is contained before the fire occurs.

Description of drawings

FIG. 1 is a schematic structural diagram of Embodiment 1 of the present invention.

Detailed ways

The utility model will be described in further detail below in conjunction with the accompanying drawings and embodiments.

Description of the drawings: As shown in the figure: the first fixing bolt 1, the data transmission interface 2, the second fixing bolt 3, the smoke sensor 4, the control module 5, the storage module 6, the smoke alarm 7, the power interface 8, the box body 9 , cover plate 10.

Example 1

As shown in Figure 1, the structure of the motor junction box of the built-in smoke alarm device of this solution includes a motor junction box, and the motor junction box includes a box body with an opening at the top and a cover plate for covering the box body. Terminals are installed in the box body; the cover plate and the box body are connected by at least four first fixing bolts 1 . A mounting box with an open top end is mounted under the cover plate by at least four second fixing bolts 3 . The smoke alarm is installed with screws or bolts in the mounting box, and the smoke sensor is mounted on the outside of the mounting box in the same way and close to the terminal. The wiring post is located below the cover plate; the smoke alarm is arranged below the cover plate and above the wiring post; the smoke alarm used is close to the wiring post. The smoke alarm is arranged in the installation box, the smoke sensor is arranged outside the installation box, and the side surface of the installation box is provided with a through hole for the wire to pass through.

The smoke alarm is installed in the installation box, which can temporarily protect the smoke alarm when the terminal is on fire. The smoke sensor is installed outside the installation box, which can directly and quickly detect the change of air concentration after the terminal is on fire, and then Improve the sensitivity of detection of fire, so as to timely alarm.

The cover above the installation box is provided with installation holes for the wires to pass through. The wires connecting the electronic components in the installation box are connected to other components such as the power supply through the installation holes through the installation holes.

The mounting box includes a plurality of insulating panels that are seamlessly connected. Through the insulating plate, an insulating space is formed in the installation box, and the electronic components in the installation box are protected from fire.

The outer side of the insulating board is filled with a balloon of dry fire extinguishing powder with adhesive. When the flame touches the balloon, it will destroy the structure of the balloon, the balloon ruptures and the fire balloon falls and hits the flame directly, causing the fire extinguishing powder in the balloon to fall, and the fire extinguishing powder falls on the fire place of the terminal post. Fire out.

A control module and a storage module connected thereto are arranged in the installation box, and the control modules are respectively connected with the smoke alarm and the smoke sensor. Through the control module and the storage module, the alarm of the smoke alarm can be automatically controlled according to the prior art, so that the entire alarm and fire extinguishing process is more timely and intelligent.

The installation box is provided with backup power modules respectively connected with the control module and the storage module. The smoke sensor and smoke alarm are powered by the backup power module, so that they can work normally in the case of external power failure.

The installation box is provided with a data transmission interface extending out of the installation box, and the data transmission interface is connected with the control module. Through the data transmission interface, the control module is connected with the external electronic equipment. Enable workers to operate remotely. When the terminal is partially overheated and smoke is generated, the smoke alarm device will be triggered to warn the on-site personnel or remote monitoring personnel to quickly eliminate possible hidden dangers and avoid causing greater losses.

There are multiple smoke sensors, and the smoke sensors are all arranged around the binding posts. With multiple smoke sensors, it can accurately detect whether there is a fire around the terminal from various angles.

The smoke alarm can be connected to a 220V power supply. It can directly supply power to the smoke alarm through the mains.

The scheme provides a new safety protection measure for the terminal in the motor junction box; it can effectively prevent fire and combustion around the terminal; it can effectively reduce the occurrence of motor safety accidents; it is beneficial to the remote monitoring of the terminal in the motor junction box.

The smoke alarm in this embodiment adopts existing devices, such as the smoke alarm of Jianda PeopleSoft, the smoke alarm of Shenzhen Ouan Technology Co., Ltd., or other existing smoke alarms.

Embodiment 2

The difference from the first embodiment is that the storage module in this embodiment is built into the smoke alarm device. Using the prior art, it is possible to timely alarm through the pre-stored alarm mode.

Embodiment 3

Different from the first embodiment, in this embodiment, the control module and the storage module are both built in the smoke alarm. The smoke alarm adopts the smoke alarm with intelligent operation function in the prior art, which can reduce the number of components in the installation box during the installation period and make the installation more convenient.

The first fixing bolt 1 of the junction box cover fixes the junction box cover 10 on the junction box 9, the power wire 10 is fixed on the junction post through the lock nut, and the smoke alarm 7 is fixed on the junction box cover through the second fixing bolt 3 On the board 10 , the data transmission interface 2 , the smoke sensor 4 , the control module 5 , the storage module 6 , and the power interface 8 are integrated on the smoke alarm 7 .

In this embodiment, the smoke alarm is provided with a data output interface, and the data output interface is connected with the storage module. The data output interface of the smoke alarm is directly connected with the storage module, so that the data stored in the smoke alarm can be saved and transmitted in time.

Embodiment 4

In this embodiment, a tension spring for fixing the connection post is arranged on the terminal, and a tension sensor for detecting the tension force of the tension spring is connected to the tension spring, and the tension sensor is connected with the control module. One end of the tension spring is socketed with the terminal, the other end is socketed with the tension sensor, and is socketed with the bottom end of the motor junction box through the tension sensor, so that the tension spring and the tension sensor together form an inclined downward pulling force on the terminal. . The tension change of the tension spring is detected by the tension sensor, and the detection and feedback are carried out at the first time when the terminal is loose, and the possibility of the loose terminal is contained before the fire occurs.

The above are only examples of the present utility model, and common knowledge such as the well-known specific structures and characteristics in the scheme have not been described too much here. Those of ordinary skill in the art know that the utility model belongs to the technical field before the filing date or the priority date. General technical knowledge, can know all the prior art in this field, and have the ability to apply conventional experimental means before the date, those of ordinary skill in the art can, under the inspiration given in this application, combine their own ability to perfect and implement this However, some typical well-known structures or well-known methods should not be obstacles to those skilled in the art from practicing the present application. It should be pointed out that for those skilled in the art, under the premise of not departing from the structure of the present utility model, several deformations and improvements can also be made, which should also be regarded as the protection scope of the present utility model, and these will not affect the present utility model. The effect of the implementation of the new model and the practicability of the patent. The scope of protection claimed in this application shall be based on the content of the claims, and the descriptions of the specific implementation manners in the description can be used to interpret the content of the claims.

Claims (10)

1. The utility model provides a built-in smog alarm device's motor terminal box structure which characterized in that: the smoke alarm device comprises a smoke sensor and a smoke alarm which are arranged in a motor junction box; the motor junction box comprises a box body with an opening at the top end and a cover plate used for covering the box body; a binding post is arranged in the box body; the wiring terminal is positioned below the cover plate; the smoke alarm is arranged below the cover plate and above the binding post; the smoke alarm used is close to the terminal.

2. The motor junction box structure with a built-in smoke alarm device of claim 1, wherein: the smoke alarm is arranged in the mounting box, the smoke sensor is arranged outside the mounting box, and a through hole for a lead to pass through is formed in the side face of the mounting box.

3. The motor junction box structure of a built-in smoke alarm device according to claim 2, wherein: and a mounting hole for a lead to pass through is formed in the cover plate above the mounting box.

4. The motor junction box structure of a built-in smoke alarm device according to claim 2, wherein: the mounting box comprises a plurality of seamlessly connected insulating plates.

5. The motor junction box structure of a built-in smoke alarm device according to claim 4, wherein: and a balloon filled with fire extinguishing dry powder is arranged on the outer side of the insulating plate.

6. The motor junction box structure of a built-in smoke alarm device according to claim 2, wherein: the smoke alarm is characterized in that a control module and a storage module connected with the control module are arranged in the mounting box, and the control module is connected with the smoke alarm and the smoke sensor respectively.

7. The motor junction box structure of a built-in smoke alarm device according to claim 6, wherein: and a standby power supply module connected with the control module and the storage module respectively is arranged in the mounting box.

8. The motor junction box structure of a built-in smoke alarm device according to claim 6, wherein: the mounting box is provided with a data transmission interface extending out of the mounting box, and the data transmission interface is connected with the control module.

9. The motor junction box structure with a built-in smoke alarm device of claim 1, wherein: the smoke sensor is provided with a plurality of smoke sensors, and the smoke sensors are all arranged around the wiring terminal.

10. The motor junction box structure of a built-in smoke alarm device according to claim 6, wherein: the binding post is provided with a tension spring for fixing the binding post, the tension spring is connected with a tension sensor for detecting the tension of the tension spring, and the tension sensor is connected with the control module.

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