CN216927747U

CN216927747U - Novel fire alarm for transformer substation

Info

Publication number: CN216927747U
Application number: CN202123226822.6U
Authority: CN
Inventors: 张雷; 刘晖; 侯骁; 倪素奎; 刘琳; 王若瑄; 葛小聪; 胡贵; 徐靖宇
Original assignee: State Grid Henan Power Co Weihui Power Supply Co; State Grid Corp of China SGCC; Xinxiang Power Supply Co of State Grid Henan Electric Power Co Ltd
Current assignee: State Grid Henan Power Co Weihui Power Supply Co; State Grid Corp of China SGCC; Xinxiang Power Supply Co of State Grid Henan Electric Power Co Ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-07-08
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a novel fire alarm for a transformer substation, which comprises an alarm mounting seat and a fire alarm shell, wherein a disaster detection unit is arranged in the fire alarm shell, a plurality of through holes are uniformly formed in the outer surface of the fire alarm shell, and warning devices are symmetrically arranged on two sides of the fire alarm shell; and the two sides of the lower surface of the alarm mounting seat are provided with shell lifting devices, the shell lifting devices drive the fire alarm shell to move up and down, and the upper surface of the fire alarm shell is provided with a lifting device accommodating groove. The insect-proof device has the advantages of convenience in installation and maintenance and good insect-proof effect.

Description

Novel fire alarm for transformer substation

Technical Field

The utility model relates to the field of transformer substation safety protection, in particular to a novel fire alarm for a transformer substation.

Background

Along with the increase of the power consumption of various workplaces, the frequency of the fire caused by power failure is higher and higher, and if the fire happens untimely, the fire can cause great life and property loss, so that the fire alarm is widely used for detecting whether the fire happens or not, reminding people of the fire in time and avoiding the life and property from being seriously damaged. Due to the excellent performance of the fire alarm, the fire alarm is widely applied to various places, wherein a transformer substation is one of the places to be applied.

However, in the use process of the existing fire alarm, the power is still supplied by using a built-in battery due to the limitation that part of the fire alarm is in the use position. When the fire alarm powered by the built-in battery is out of power, or the fire alarm is out of order and needs to be replaced, the user is often required to take the fire alarm down from the ceiling through the folding ladder for processing, certain potential safety hazards exist in the mode, and the operation is inconvenient. Meanwhile, the insect prevention design effect of the existing fire alarm is poor, and some mosquitoes with small body sizes can enter the alarm through holes in the insect prevention cover, so that the alarm is triggered by mistake.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel fire alarm for a transformer substation, which has the advantages of convenience in installation and maintenance and good insect prevention effect.

The utility model adopts the following technical scheme:

a novel fire alarm for a transformer substation comprises an alarm mounting seat and a fire alarm shell, wherein a disaster detection unit is arranged in the fire alarm shell, a plurality of through holes are uniformly formed in the outer surface of the fire alarm shell, and warning devices are symmetrically arranged on two sides of the fire alarm shell; and a shell lifting device is arranged on two sides of the lower surface of the alarm mounting seat, the shell lifting device drives the fire alarm shell to move up and down, and a lifting device accommodating groove is formed in the upper surface of the fire alarm shell.

The shell lifting device comprises a servo motor, a winding disc and a traction rope wound in a wire slot of the winding disc; the output end of the servo motor is connected with the rotating shaft of the winding disc through the speed reducer and the coupler, one end of the traction rope is fixed in the wire slot of the winding disc, and one end of the traction rope is detachably connected with the two sides of the fire alarm shell.

The hauling cable is made of nylon.

The through hole of the fire alarm shell is internally provided with an insect-proof cover which is made of stainless steel.

The fire alarm shell is characterized in that an ultrasonic generator is further arranged in the shell, and a hole is formed in the position, corresponding to the output end of the ultrasonic generator, of the fire alarm shell.

The number of the ultrasonic generators is 4, and the 4 ultrasonic generators are uniformly arranged in the shell of the fire alarm along the circumferential direction.

The alarm mounting base is fixed on the wall top of the mounting position through bolts.

And an auxiliary limiting device matched with the shell of the fire alarm is arranged at the bottom of the alarm mounting seat.

The auxiliary limiting device comprises an electromagnet arranged at the lower part of the alarm mounting seat, a limiting pin mounting seat is arranged on one side of the electromagnet, a limiting pin is arranged in the limiting pin mounting seat in a sliding manner, a spring is sleeved on the limiting pin in the limiting pin mounting seat, one end, close to the electromagnet, of the limiting pin is an adsorption end, the end part of the limiting pin is provided with a metal sheet, one end, far away from the electromagnet, of the limiting pin is a positioning end, and the end part of the limiting pin is an inclined plane; a positioning sheet is vertically arranged at the position corresponding to the lifting device accommodating groove on the upper surface of the fire alarm shell, and a positioning hole is arranged at the upper end of the positioning sheet; when the shell of the fire alarm is contacted with the alarm mounting seat, the spring is in an original long state, and the limiting pin limits the positioning sheet through the positioning hole; when the electromagnet works when being electrified, the electromagnet adsorbs the metal sheet to enable the limiting pin to overcome the elastic force of the spring to move to one side of the electromagnet, and the limiting pin leaves the positioning hole to cancel the limiting of the positioning sheet; when the spring is powered off and stops working, the limiting pin limits the positioning sheet through the positioning hole under the action of the elastic force of the spring.

The warning device adopts an audible and visual alarm.

According to the utility model, the alarm mounting seat and the fire alarm shell are designed in a split mode, the shell lifting device is arranged and used for lifting the fire alarm shell according to actual use requirements, and when maintenance and replacement are required, the shell lifting device can drive the fire alarm shell to move downwards, so that workers can conveniently carry out related operations, and high-place operation in a narrow space is not required to be carried out by using a folding ladder and the like.

The fire alarm is also provided with an insect-proof cover and an ultrasonic generator, and is used for preventing various insects and mosquitoes with narrow body types from entering the shell of the fire alarm so as to avoid the condition of false triggering of the alarm or equipment damage.

The fire alarm device is also provided with an auxiliary limiting device to ensure that the shell of the fire alarm device and the alarm device mounting seat can be effectively connected and fixed through the limiting pin all the time in a working state, so that the position stability of the fire alarm device is ensured.

Drawings

FIG. 1 is a schematic view of the present invention in use;

FIG. 2 is a schematic structural view of the housing lifting device of the present invention;

fig. 3 is a schematic structural view of the auxiliary limiting device of the present invention.

Detailed Description

The utility model is described in detail below with reference to the following figures and examples:

as shown in fig. 1 to 3, the novel fire alarm for the transformer substation comprises an alarm mounting base 3 and a fire alarm housing 2, wherein a disaster detection unit is arranged in the fire alarm housing 2, and the disaster detection unit comprises a power supply module, a sensor module, a control module, a wireless transmission module and a warning device 1. The sensor module collects various fire signals and sends the fire signals to the control module, such as a smoke sensor, a temperature sensor and the like. The control module carries out comprehensive judgment according to the received fire signal and a set threshold value, and when the fire is judged to occur, alarm information is immediately sent to a specified receiving unit through the wireless transmission module, and meanwhile, the alarm device 1 carries out alarm reminding. The warning device 1 is arranged on two sides of the fire alarm shell 2, and the warning device 1 adopts an audible and visual alarm.

In the utility model, the outer surface of the fire alarm shell 2 is uniformly provided with a plurality of strip-shaped through holes 7 which are used for being communicated with the outside so as to facilitate the sensor module to collect information. And a shell lifting device is arranged on two sides of the lower surface of the alarm mounting seat 3, the shell lifting device drives the fire alarm shell 2 to move up and down, and lifting device accommodating grooves 18 are arranged on two sides of the upper surface of the fire alarm shell 2. Casing elevating gear is used for going up and down fire alarm casing 2 according to the in-service use demand, when needing the maintenance to change, accessible casing elevating gear drive fire alarm casing 2 downstream, and the staff of being convenient for carries out relevant operation, and need not to use folding ladder etc. to carry out the aerial work in narrow and small space.

In this embodiment, the shell lifting device includes a servo motor 11, a winding disc 10 and a traction rope 9 wound in a wire slot of the winding disc 10; the output end of the servo motor 11 is connected with the rotating shaft of the winding disc 10 through a speed reducer and a coupler, one end of the traction rope 9 is fixed in the wire slot of the winding disc 10, and one end of the traction rope 9 is detachably connected with the two sides of the fire alarm shell 2. The servo motor 11 can be controlled by a control module, and the traction rope 9 is made of nylon materials or steel wire ropes. The length of the traction rope 9 is 1.5m-1.8m, which is convenient for users with different heights to use.

In the utility model, an insect-proof cover 8 is arranged in the through hole 7 of the fire alarm shell 2, and the insect-proof cover 8 is made of stainless steel. The stainless steel protection against insects cover 8 is evenly provided with a plurality of holes, which can not only play a role of communicating with the outside, but also block the larger insects of the body type, and prevent the insects from entering the fire alarm shell 2.

In consideration of further enhancing the insect prevention effect, an ultrasonic generator is further arranged in the fire alarm device shell 2, and a hole 4 is formed in the fire alarm device shell 2 corresponding to the output end of the ultrasonic generator. Ultrasonic wave through small-size supersonic generator sends to can drive some less mosquitoes of size, avoid the less mosquitoes of size to enter into 2 insides of fire alarm casing through the eyelet on the protection against insects cover 8, thereby cause the condition of false triggering or equipment damage of alarm. In this embodiment, the number of the ultrasonic generators is 4, and the 4 ultrasonic generators are uniformly arranged in the fire alarm housing 2 along the circumferential direction.

In this embodiment, alarm mount pad 3 utilizes bolt 5 to fix the wall crown in installation department through connecting seat 6, has the simple and convenient advantage of installation.

Consider that the bottom of the alarm mount 3 is provided with an auxiliary stop fitting that fits the fire alarm housing 2.

In this embodiment, supplementary stop device is including setting up electro-magnet 12 in alarm mount pad 3 lower part, and one side of electro-magnet 12 is provided with spacing round pin mount pad 13, and it is provided with spacer pin 14 to slide in spacing round pin mount pad 13, and spacer pin 14 cover in the spacing round pin mount pad 13 is equipped with spring 16, and the one end that spacer pin 14 is close to electro-magnet 12 is provided with sheetmetal 15 for adsorption end and tip, and the one end that spacer pin 14 kept away from electro-magnet 12 is locating end and tip for inclined plane 17. A positioning sheet 19 is vertically arranged at the position corresponding to the lifting device accommodating groove 18 on the upper surface of the fire alarm shell 2, and a positioning hole is arranged at the upper end of the positioning sheet 19; when the fire alarm shell 2 is contacted with the alarm mounting seat 3, the spring 16 is in an original long state, and the limiting pin 14 limits the positioning sheet 19 through the positioning hole; when the electromagnet 12 works with electricity, the electromagnet 12 adsorbs the metal sheet 15 to enable the limit pin 14 to overcome the elastic force of the spring 16 to move towards one side of the electromagnet 12, and the limit pin 14 leaves the positioning hole to cancel the limit of the positioning sheet 19; when the spring 16 is powered off and stops working, the limit pin 14 limits the position of the positioning sheet 19 through the positioning hole under the elastic force of the spring 16. The auxiliary limiting device can ensure that the fire alarm shell 2 and the alarm mounting seat 3 are effectively connected and fixed through the limiting pin 14 all the time in a working state, so that the position of the fire alarm is stable; when the fire alarm device shell 2 needs to be descended to be separated from the alarm device mounting seat 3, the limiting pin 14 can be controlled by the electromagnet 12 to cancel limiting, and then the fire alarm device shell 2 is descended for operation. After the operation is finished, the fire alarm shell 2 is lifted again, and then the limiting pin 14 is connected with the fire alarm shell 2 and the alarm mounting seat 3 again. The inclined plane 17 arranged at the end of the limit pin 14 can make the upper end of the point position sheet 19 push the limit pin 14 to automatically retract along with the rising of the positioning sheet 19, so as to prevent the movement and the limit action of the limit pin 14 when the electromagnet 12 is unstable in operation.

Claims

1. The utility model provides a novel fire alarm for transformer substation which characterized in that: the fire alarm comprises an alarm mounting seat and a fire alarm shell, wherein a disaster detection unit is arranged in the fire alarm shell, a plurality of through holes are uniformly formed in the outer surface of the fire alarm shell, and warning devices are symmetrically arranged on two sides of the fire alarm shell; and a shell lifting device is arranged on two sides of the lower surface of the alarm mounting seat, the shell lifting device drives the fire alarm shell to move up and down, and a lifting device accommodating groove is formed in the upper surface of the fire alarm shell.

2. The fire alarm for the transformer substation of claim 1, wherein: the shell lifting device comprises a servo motor, a winding disc and a traction rope wound in a wire slot of the winding disc; the output end of the servo motor is connected with the rotating shaft of the winding disc through the speed reducer and the coupler, one end of the traction rope is fixed in the wire slot of the winding disc, and one end of the traction rope is detachably connected with the two sides of the fire alarm shell.

3. The fire alarm for the transformer substation of claim 2, wherein: the hauling cable is made of nylon.

4. The fire alarm for the transformer substation of claim 1, wherein: the through hole of the fire alarm shell is internally provided with an insect-proof cover which is made of stainless steel.

5. The fire alarm for the transformer substation of claim 1, wherein: the fire alarm shell is internally provided with an ultrasonic generator, and the fire alarm shell corresponding to the output end of the ultrasonic generator is provided with a hole.

6. The fire alarm for the transformer substation of claim 5, wherein: the number of the ultrasonic generators is 4, and the 4 ultrasonic generators are uniformly arranged in the shell of the fire alarm along the circumferential direction.

7. The fire alarm for the transformer substation of claim 1, wherein: the alarm mounting base is fixed on the wall top of the mounting position through bolts.

8. The fire alarm for the transformer substation of claim 1, wherein: and an auxiliary limiting device matched with the shell of the fire alarm is arranged at the bottom of the alarm mounting seat.

9. The fire alarm for the transformer substation of claim 8, wherein: the auxiliary limiting device comprises an electromagnet arranged at the lower part of the alarm mounting seat, a limiting pin mounting seat is arranged on one side of the electromagnet, a limiting pin is arranged in the limiting pin mounting seat in a sliding manner, a spring is sleeved on the limiting pin in the limiting pin mounting seat, one end, close to the electromagnet, of the limiting pin is an adsorption end, the end part of the limiting pin is provided with a metal sheet, one end, far away from the electromagnet, of the limiting pin is a positioning end, and the end part of the limiting pin is an inclined plane; a positioning sheet is vertically arranged at the position corresponding to the lifting device accommodating groove on the upper surface of the fire alarm shell, and a positioning hole is arranged at the upper end of the positioning sheet; when the shell of the fire alarm is contacted with the alarm mounting seat, the spring is in an original long state, and the limiting pin limits the positioning sheet through the positioning hole; when the electromagnet works when being electrified, the electromagnet adsorbs the metal sheet to enable the limiting pin to overcome the elastic force of the spring to move to one side of the electromagnet, and the limiting pin leaves the positioning hole to cancel the limiting of the positioning sheet; when the spring is powered off and stops working, the limiting pin limits the positioning sheet through the positioning hole under the action of the elastic force of the spring.

10. The fire alarm for the transformer substation of claim 1, wherein: the warning device adopts an audible and visual alarm.