CN214798413U

CN214798413U - Distribution box connecting mechanism

Info

Publication number: CN214798413U
Application number: CN202121437683.9U
Authority: CN
Inventors: 杨平; 张顺波; 黄强; 赵让中; 张志伟; 汪晓洪
Original assignee: Guizhou Changtong Electric Co ltd
Current assignee: Guizhou Changtong Electric Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-11-19
Anticipated expiration: 2031-06-25

Abstract

The utility model relates to the technical field of electrical equipment, in particular to a distribution box connecting mechanism, which comprises a cabinet body, wherein an air circuit breaker, a fuse, a contactor and a thermal relay are arranged inside the cabinet body; a cabinet door is arranged on the front side face of the cabinet body, and an operation button, an indicator light and a display instrument are arranged on the cabinet door; a fire reminding device is arranged on the wall of the top part in the cabinet; the reminding device comprises a hemispherical shell, and a detection unit, a processing unit, a power supply unit and a reminding unit which are arranged in the hemispherical shell; the hemispherical shell is provided with a plurality of through holes, and the aperture of each through hole is gradually reduced from the outside of the shell to the inside of the shell; the detection unit is connected with the processing unit through feedback signals, and the power supply unit and the reminding unit are both connected with the processing unit through electric signals. The utility model provides a not in time remind the problem when getting on fire in the block terminal, improved the security of equipment operation, avoided equipment loss further to enlarge simultaneously.

Description

Distribution box connecting mechanism

Technical Field

The utility model relates to an electrical equipment technical field, concretely relates to block terminal coupling mechanism.

Background

With the rapid development of electric power utilities, the expansion of power lines is also wider and wider, in order to save energy and reduce power loss, common power lines adopt high-voltage transmission, and high-voltage power is required to be reduced in voltage and distributed in a secondary substation before being transmitted to users. In a low-voltage distribution system, a power distribution box is one of the most widely used power control distribution devices because of its easy installation, flexible use and convenient maintenance.

Because the electrical equipment in the distribution box has high operating voltage and large current, the temperature in the distribution box is very high, so the phenomenon of fire due to overhigh temperature is easy to occur, the distribution box is very dangerous once on fire, and in order to solve the problem, in the prior art, a distribution cabinet with an automatic fire extinguishing function is provided, which relates to the technical field of distribution cabinet equipment. This switch board with automatic fire extinguishing function, on the one hand, set up the ceiling at the top of switch board to set up the heat dissipation fan in the bottom of ceiling, can strengthen the radiating effect of switch board, reached the good purpose of radiating effect, on the other hand sets up bee calling organ, can remind people when the conflagration breaing out, sets up the protection box at the top of switch board again, can protect bee calling organ, has reached the good purpose of protecting effect.

Although the emergency event that the fire is on can be reminded to the staff through the buzzer in the distribution box, the reminding of the buzzer is realized by depending on the temperature sensor, but in the initial stage of the fire, the temperature rise is not large, and then the temperature sensor cannot detect the emergency event. When the temperature sensor detects that the temperature is too high, the fire is serious, and the whole reminding effect is not ideal. Therefore, the market urgently needs a device which can rapidly detect the fire in the initial stage of the fire in the distribution box and remind workers.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem who detects and untimely lead to threatening equipment safety, personal safety on fire in the block terminal, provide one kind and can detect rapidly that the block terminal is interior to be fired and make the block terminal coupling mechanism who reminds to the staff.

The utility model provides a basic scheme does: the distribution box connecting mechanism comprises a cabinet body, wherein an air circuit breaker, a fuse, a contactor and a thermal relay are arranged inside the cabinet body; a cabinet door is arranged on the front side face of the cabinet body, and an operation button, an indicator light and a display instrument are arranged on the cabinet door; a fire reminding device is arranged on the wall of the top part in the cabinet; the reminding device comprises a hemispherical shell, and a detection unit, a processing unit, a power supply unit and a reminding unit which are arranged in the hemispherical shell; the hemispherical shell is provided with a plurality of through holes, and the aperture of each through hole is gradually reduced from the outside of the shell to the inside of the shell; the detection unit is connected with the processing unit through feedback signals, and the power supply unit and the reminding unit are both connected with the processing unit through electric signals.

The utility model discloses a theory of operation and advantage lie in: the smoke sensor is used for detecting whether smoke exists in the cabinet body and feeding the smoke back to the processing unit, and if the smoke is detected, the processing unit controls the reminding unit to act to remind workers of emergently processing the fire.

The utility model discloses compare in prior art advantage and lie in, reminding device sets up top position in the cabinet, smog can gather at cabinet body top after the fire, make things convenient for smoke transducer to detect smog, and simultaneously, the shell sets up to the hemisphere then increased the area of contact with smog, the aperture has been set up by the inside through-hole that reduces gradually of shell outside to the shell, then when smog enters into the shell from the through-hole after the fire, can utilize atmospheric pressure difference to make smog enter into the speed in the shell faster, guarantee that detecting element can detect smog fast, thereby reminding device reacts rapidly and sends reminder information to the staff, avoid causing serious loss because of putting out a fire untimely, the security of equipment operation and staff's security has been guaranteed to very big degree.

Further, the cabinet door comprises an upper cabinet door and a lower cabinet door.

Set up the cabinet door into upper and lower two parts, when only being used for operations such as combined floodgate separating brake, only need open the cabinet door, lower cabinet door is in the closed condition, can not only play the guard action to equipment, also can avoid staff's maloperation to lead to electrocuteeing.

Further, the top of the cabinet body is provided with a channel for communicating the interior of the hemispherical shell with the exterior of the cabinet body.

Through set up the body passageway at cabinet body top, outside the intercommunication cabinet and inside the hemisphere shell, not only make the power cord can follow the passageway and insert, the circuit of LED lamp and bee calling organ also can follow the passageway and arrange simultaneously.

Further, cabinet door and the cabinet angle of cabinet body bottom all are equipped with ground screw.

The cabinet door all is equipped with the ground screw with the cabinet angle of cabinet body bottom, has not only guaranteed the reliable ground connection of block terminal, sets up ground screw at four cabinet angles moreover, also can play firm effect to the block terminal, avoids it to empty.

Further, the detection unit includes an ion type smoke sensor.

The ion type smoke sensor is very sensitive to the reaction of tiny smoke particles, can respond to various kinds of smoke in a balanced mode, is stable in operation, and can rapidly detect the fire situation and give a prompt in the initial stage of fire.

Further, the power supply unit comprises a power line and a power conversion module.

Adopt a simple power conversion module, convert the alternating current 220V power commonly used into the direct current 5V power, for processing unit, detecting element provide the power, make its normal work, the power cord inserts the power from cabinet body outside simultaneously, prevents to cause the power disconnection to lead to reminding device to become invalid because of getting on fire in the cabinet.

Further, the reminding unit comprises an LED lamp with at least one color and a buzzer; the LED lamp and the buzzer are mounted at the top outside the cabinet body.

The reminding unit adopts the buzzer to send sound to remind except that the LED lamp sends out light signal, and both combine to form acousto-optic mixing and remind, and at least one colour of LED lamp enables the colour contrast more obvious simultaneously, increases the dynamics of reminding, avoids the staff not to attend to the fire and reminds and cause bigger loss.

Further, the fire-starting reminding device also comprises a remote terminal; the remote terminal is wirelessly connected with the processing unit.

Set up a remote terminal and processing unit wireless connection, enable to remind the information display on remote terminal, avoid the staff not to find when the scene the mixed warning of reputation to do not carry out emergency treatment to the condition of starting a fire and cause the loss.

Further, the remote terminal comprises a mobile phone end and a computer end.

The mobile phone and the computer are used as the remote terminal, so that workers in a duty room can receive the fire-on reminding information on the computer and can send the reminding information to the mobile phone of the workers, and the situation that the workers cannot find the fire-on reminding information in time when not in the duty room, and the fire is not extinguished timely is avoided.

Further, a fire extinguishing device is also arranged in the cabinet body; the fire extinguishing device comprises a dry powder fire extinguisher arranged on the side surface of the cabinet body and carbon fire tubes which are connected with the dry powder fire extinguisher and distributed in the cabinet.

Set up a dry powder fire extinguisher behind the cabinet body, arrange in the cabinet after putting through with fire carbon pipe simultaneously, after the fire carbon pipe is melted out the leak by high temperature, then dry powder erupts in the cabinet, can tentatively put out a fire to the cabinet, avoids the intensity of a fire to be bigger and bigger.

Drawings

Fig. 1 is the structural schematic diagram of the first embodiment of the connecting mechanism of the distribution box of the present invention.

Fig. 2 is a frame diagram of a reminder device according to an embodiment of the power distribution box connecting mechanism of the present invention.

Fig. 3 is a circuit diagram of a power conversion module according to an embodiment of the power distribution box connection mechanism of the present invention.

Fig. 4 is a framework diagram of three remote terminals in the embodiment of the connecting mechanism of the distribution box of the present invention.

Fig. 5 is a schematic structural diagram of the fourth embodiment of the distribution box connection mechanism of the present invention.

Detailed Description

The following is further detailed by the specific embodiments:

the reference numbers in the drawings of the specification include: the intelligent cabinet comprises a cabinet body 1, a reminding device 2, a detection unit 3, a processing unit 4, a power supply unit 5, a reminding unit 6, an LED lamp 7, a buzzer 8, a hemispherical shell 9, a through hole 10, a dry powder fire extinguisher 11, a remote terminal 12 and a carbon fire tube 13.

The first embodiment is as follows:

this embodiment is substantially as shown in figure 1: the distribution box connecting mechanism comprises a cabinet body 1, wherein an air circuit breaker, a fuse, a contactor and a thermal relay are arranged below the cabinet body 1; a cabinet door is arranged in front of the cabinet body 1 and comprises an upper cabinet door and a lower cabinet door, an operating button, an indicator light and a display instrument are arranged on the upper cabinet door, and if ordinary switching-on and switching-off operations are carried out, the upper cabinet door is opened and the lower cabinet door is closed, so that the equipment in the cabinet can be protected; if work such as maintenance is needed, the whole cabinet door can be opened. As shown in the attached figure 2, a fire reminding device 2 is arranged on the wall of the top part in the cabinet; the reminding device 2 comprises a hemispherical shell 9, and a detection unit 3, a processing unit 4, a power supply unit 5 and a reminding unit 6 which are arranged inside the hemispherical shell 9. The hemispherical shell 9 is provided with 3 through holes 10; the aperture of the through hole 10 is gradually reduced from the outside of the shell to the inside of the shell; the detection unit 3 is connected with the processing unit 4 through feedback signals, and the power supply unit 5 and the reminding unit 6 are both connected with the processing unit 4 through electric signals. The detection unit 3 adopts an NIS-07 smoke sensor to monitor whether smoke is generated due to fire in the cabinet in real time; the processing unit 4 comprises an AT89C51 singlechip which is used for processing detection information and making corresponding judgment; the power supply unit 5 comprises a power supply conversion module for converting alternating current 220V into direct current 5V; the reminding unit 6 comprises a red LED lamp 7 and a buzzer 8, and is used for providing acousto-optic mixed reminding.

As shown in fig. 3, the power conversion module includes a transformer and an LM7805 integrated voltage regulator. The input end of the transformer is connected with a 220V alternating current power supply, the left side of the output end is connected with the lower end of a first diode D1, and the right side of the output end is connected with the lower end of a second diode D2; the upper end of the third diode D3 is connected to the lower end of the first diode D1, and the upper end of the fourth diode D4 is connected to the lower end of the second diode D2.

The 1 pin of the LM7805 integrated voltage regulator is connected with a plus terminal of a first capacitor C1, and the upper end of a first diode D1, the upper end of a second diode D2 and the upper end of a first capacitor C1 are connected together; the pin 3 of the LM7805 integrated voltage stabilizer is connected with the upper end of the second capacitor C2, the upper end of the third capacitor C3 and the upper end of the first resistor R1; the 2 pin of the LM7805 integrated voltage regulator is grounded and is connected with the lower end of the third diode D3, the lower end of the fourth diode D4, the lower end of the second capacitor C2, the lower end of the third capacitor C3 and the lower end of the fifth diode D5. The lower end of the first resistor R1 is connected to the upper end of the fifth diode D5. Adopt LED lamp 7 and bee calling organ 8 to form the reputation and mix and remind, increase and remind the dynamics, make the staff in time discover and handle the condition on fire in the cabinet.

The basic implementation process of the embodiment is as follows:

firstly, a power plug of a power conversion module is plugged, and the power conversion module converts an alternating current 220V power supply into a direct current 5V power supply to be provided for a processing unit 4 and a detection unit 3; the NIS-07 smoke sensor and the thermal resistance type temperature sensor of the detection unit 3 start to detect whether smoke exists in the cabinet or not and the temperature change condition after being electrified.

And secondly, if the NIS-07 smoke sensor does not detect smoke, feeding back a detection result to the processing unit 4, and judging by the processing unit 4 according to a preset condition to enable the red LED lamp 7 and the buzzer 8 of the reminding unit 6 to be inactive. The NIS-07 smoke sensor continues to detect once every 1 minute, and the detection result is fed back to the processing unit 4 in time after each detection.

And thirdly, if the NIS-07 smoke sensor detects smoke, immediately feeding back a detection result to the processing unit 4, analyzing data by an AT89C51 single chip microcomputer of the processing unit 4, and outputting a high level of direct current 5V to the reminding unit 6 according to a preset condition. The red LED lamp 7 and the buzzer 8 of the reminding unit 6 are powered on, the red LED lamp 7 flickers once every 1 second according to a preset program, and the buzzer 8 sounds for a long time to provide sound-light mixed double reminding.

And fourthly, immediately performing emergency treatment according to preset treatment steps after the staff sees the reminding, cutting off the power supply of the cabinet body 1, then performing personal protection and putting the fire into a room, and pressing a reset key after the fire is extinguished, so that the reminding unit 6 is powered off, and the red LED lamp 7 and the buzzer 8 stop working.

Example two:

this embodiment is basically the same as the first embodiment, except that: the LED lamp 7 adopts two LED lamps 7 with different colors, one is red, and the other is yellow. The LED lamps 7 with different colors are adopted to alternately flash, and yellow and red are bright colors, so that the light is more obvious and dazzling, the recognition degree is increased, and the staff can timely find the light.

The implementation process of this embodiment is basically the same as that of this embodiment, except that:

and thirdly, if the NIS-07 smoke sensor detects smoke, immediately feeding back a detection result to the processing unit 4, analyzing data by an AT89C51 single chip microcomputer of the processing unit 4, and outputting a high level of direct current 5V to the reminding unit 6 according to a preset condition. The LED lamp 7 and the buzzer 8 of the reminding unit 6 are powered on, the red LED lamp 7 and the yellow LED lamp 7 alternately flash once every 1 second according to a preset program, and the buzzer 8 sounds for a long time to provide sound-light mixed double reminding.

Example three:

this embodiment is basically the same as the first embodiment, except that: the fire-starting reminding device 2 further comprises a remote terminal 12 in wireless connection with the processing unit 4, and the remote terminal 12 comprises a mobile phone end and a computer end. The remote terminal 12 is added to receive the reminding information, so that the situation that a worker cannot timely find and handle fire in the distribution box when the worker does not pay attention to the distribution box is avoided.

The implementation process of this embodiment is basically the same as that of the first embodiment, except that:

and thirdly, if the NIS-07 smoke sensor detects smoke, immediately feeding back a detection result to the processing unit 4, analyzing data by an AT89C51 single chip microcomputer of the processing unit 4, and outputting a high level of direct current 5V to the reminding unit 6 according to a preset condition. When the red LED lamp 7 and the buzzer 8 of the reminding unit 6 are powered on, the red LED lamp 7 flickers once every 1 second according to a preset program, and the buzzer 8 sounds for a long time. In the process, the AT89C51 singlechip wirelessly transmits the fire message to the mobile phone end and the computer end of the remote terminal 12, and the staff can receive the reminding information on the computer of the central control room and the mobile phone of the staff, so that the emergency treatment can be rapidly carried out.

Example four:

this embodiment is basically the same as the first embodiment, except that: a fire extinguishing device is also arranged in the cabinet body 1; the fire extinguishing device comprises a dry powder fire extinguisher 11 arranged on the side surface of the cabinet body 1 and carbon fire tubes 13 which are connected with the dry powder fire extinguisher 11 and distributed in the cabinet. Increase a dry powder fire extinguisher 11 and carry out preliminary fire extinguishing earlier to cabinet body 1 inside, prevent that the intensity of a fire from further expanding, reduce the loss.

and thirdly, if the NIS-07 smoke sensor detects smoke, immediately feeding back a detection result to the processing unit 4, analyzing data by an AT89C51 single chip microcomputer of the processing unit 4, and outputting a high level of direct current 5V to the reminding unit 6 according to a preset condition. The red LED lamp 7 and the buzzer 8 of the reminding unit 6 are powered on, the red LED lamp 7 flickers once every 1 second according to a preset program, and the buzzer 8 sounds for a long time to provide sound-light mixed double reminding. When the temperature in the cabinet reaches the melting point of the carbon fire tube 13, the carbon fire tube 13 is melted, and then dry powder in the carbon fire tube 13 flows into the cabinet to initially extinguish the fire at the fire-starting part in the cabinet, so that the fire growth trend is inhibited, and more serious consequences are avoided.

The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The distribution box connecting mechanism comprises a cabinet body (1), wherein an air circuit breaker, a fuse, a contactor and a thermal relay are arranged inside the cabinet body (1); a cabinet door is arranged on the front side surface of the cabinet body (1), and an operation button, an indicator light and a display instrument are arranged on the cabinet door; the method is characterized in that: a fire-on reminding device (2) is arranged on the wall of the top in the cabinet; the reminding device (2) comprises a hemispherical shell (9), and a detection unit (3), a processing unit (4), a power supply unit (5) and a reminding unit (6) which are arranged in the hemispherical shell (9); a plurality of through holes (10) are formed in the hemispherical shell (9), and the aperture of each through hole (10) is gradually reduced from the outside of the shell to the inside of the shell; the detection unit (3) is connected with the processing unit (4) through feedback signals, and the power supply unit (5) and the reminding unit (6) are both connected with the processing unit (4) through electric signals.

2. The electrical box connecting mechanism of claim 1, wherein: the cabinet door comprises an upper cabinet door and a lower cabinet door.

3. The electrical box connecting mechanism of claim 2, wherein: the top of the cabinet body (1) is provided with a channel for communicating the interior of the hemispherical shell (9) with the exterior of the cabinet body (1).

4. The electrical box connecting mechanism of claim 3, wherein: and the cabinet door and the cabinet corner at the bottom of the cabinet body (1) are provided with grounding screws.

5. The electrical box connecting mechanism of claim 4, wherein: the detection unit (3) comprises an ionic smoke sensor.

6. The electrical box connecting mechanism of claim 4, wherein: the power supply unit (5) comprises a power line and a power conversion module.

7. The electrical box connecting mechanism of claim 4, wherein: the reminding unit (6) comprises an LED lamp (7) with at least one color and a buzzer (8); the LED lamp (7) and the buzzer (8) are arranged on the outer top of the cabinet body (1).

8. The electrical box connecting mechanism of claim 1, wherein: the fire-starting reminding device (2) further comprises a remote terminal (12); the remote terminal (12) is wirelessly connected with the processing unit (4).

9. The electrical box connecting mechanism of claim 8, wherein: the remote terminal (12) comprises a mobile phone end and a computer end.

10. The electrical box connecting mechanism of claim 1, wherein: a fire extinguishing device is also arranged in the cabinet body (1); the fire extinguishing device comprises a dry powder fire extinguisher (11) arranged on the side surface of the cabinet body (1) and carbon fire tubes (13) which are connected with the dry powder fire extinguisher (11) and distributed in the cabinet.