CN211245281U - Self-extinguishing electric control box - Google Patents
Self-extinguishing electric control box Download PDFInfo
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- CN211245281U CN211245281U CN202021099625.5U CN202021099625U CN211245281U CN 211245281 U CN211245281 U CN 211245281U CN 202021099625 U CN202021099625 U CN 202021099625U CN 211245281 U CN211245281 U CN 211245281U
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- box body
- box
- fire extinguishing
- controller
- injection pipe
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Abstract
The utility model discloses a from fire extinguishing electric control box relates to electric cabinet technical field, and the main objective realizes spraying fire extinguishing material to the inside conflagration of electric cabinet is automatic. The utility model discloses a main technical scheme does: from fire extinguishing electric control box includes: a box body and a fire extinguishing part; the fire extinguishing part comprises a pressure tank, an injection pipe, a controller and a smoke temperature sensor, wherein the smoke temperature sensor is arranged in the box body, one end of the injection pipe is connected with the pressure tank, the other end of the injection pipe is connected with a spray head, the spray head is arranged in the box body, a solenoid valve is arranged in the middle of the injection pipe, the output end of the smoke temperature sensor is connected with the input end of the controller, and the output end of the controller is connected with the solenoid valve.
Description
Technical Field
The utility model relates to an electric cabinet technical field especially relates to a from fire extinguishing electric control box.
Background
The electric cabinet comprises one or more low-voltage switch devices and related control, measurement, signal, protection, regulation and other devices, and is integrally assembled by structural components by manufacturers.
With the long-term use of the electric cabinet, the electrical components in the electric cabinet have the risks of line aging and short circuit fire. Therefore, a device capable of realizing automatic fire extinguishing of the electric cabinet is needed.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a from fire extinguishing electric control box, the main objective is to realize spraying fire extinguishing material to the inside conflagration of electric control box automatically.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
the utility model provides a from fire extinguishing electric control box, this electric control box includes: a box body and a fire extinguishing part;
the fire extinguishing part comprises a pressure tank, an injection pipe, a controller and a smoke temperature sensor, wherein the smoke temperature sensor is arranged in the box body, one end of the injection pipe is connected with the pressure tank, the other end of the injection pipe is connected with a spray head, the spray head is arranged in the box body, a solenoid valve is arranged in the middle of the injection pipe, the output end of the smoke temperature sensor is connected with the input end of the controller, and the output end of the controller is connected with the solenoid valve.
The purpose of the utility model and the technical problem thereof can be further realized by adopting the following technical measures.
Optionally, a lateral wall of the box is provided with an air inlet, another lateral wall is provided with an air outlet, the air inducing mechanism is installed at the air outlet, the fire extinguishing part further comprises a relay, a normally closed contact of the relay is connected with the air inducing mechanism, a normally open contact of the relay is connected with the electromagnetic valve, a coil of the relay is connected with a control switch, and the control switch is connected with an output end of the controller.
Optionally, a partition plate is arranged in the box body and used for dividing the box body into an upper box body and a lower box body, the upper box body is used for installing electrical elements, and the lower box body is used for installing wiring terminals.
Optionally, the air inlet and the air outlet are respectively provided with dustproof cotton.
Optionally, the bottom wall of the lower box body is provided with a wire inlet hole.
Optionally, the box body comprises a box door, the box door is rotatably connected to the side wall of the box body, the box door is provided with a door lock, and sealant is attached to the edge of the box door.
Borrow by above-mentioned technical scheme, the utility model discloses at least, have following advantage:
the pressure tank is filled with a dry powder extinguishing agent. When an electrical component in the box body is in a fire disaster, the smoke temperature sensor senses smoke and the temperature of the smoke, generates an analog signal, transmits the analog signal to the input end of the controller, and the output end of the controller sends an opening instruction to the electromagnetic valve. When the electromagnetic valve is opened, the dry powder extinguishing agent in the pressure tank enters the jet pipe and is sprayed out through the spray head, and the dry powder extinguishing agent covers the fired electrical appliance elements, so that the fire in the box body is prevented from being expanded.
Drawings
Fig. 1 is a schematic structural diagram of an automatic fire extinguishing electrical control box provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another self-extinguishing electrical control box according to an embodiment of the present invention;
fig. 3 is another circuit connection diagram of a fire extinguishing unit of a self-extinguishing electrical control box according to an embodiment of the present invention.
Reference numerals in the drawings of the specification include: the device comprises a pressure tank 1, an injection pipe 2, a controller 3, a smoke temperature sensor 4, a spray head 5, an electromagnetic valve 6, an inflation inlet 7, a pressure gauge 8, a support 9, an air inlet 10, an air outlet 11, an air inducing mechanism 12, a relay 13, a normally open contact 14, a normally closed contact 15, a control switch 16, an iron core 17, a partition plate 18, dustproof cotton 19, a wire inlet hole 20, a box door 21, a door lock 22, sealant 23, a wiring terminal 24 and an electrical component 25.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description is given with reference to the accompanying drawings and preferred embodiments, in order to explain the detailed embodiments, structures, features and effects of the present invention. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, an embodiment of the utility model provides a from fire extinguishing electrical control box, it includes: a box body and a fire extinguishing part;
the portion of putting out a fire includes overhead tank 1, injection pipe 2, controller 3 and smoke temperature sensor 4, and smoke temperature sensor 4 sets up in the box, and the one end of injection pipe 2 is connected in overhead tank 1, and the other end is connected in shower nozzle 5, and shower nozzle 5 sets up in the box, and the middle part of injection pipe 2 is equipped with solenoid valve 6, and the output of smoke temperature sensor 4 is connected in the input of controller 3, and the output of controller 3 is connected in solenoid valve 6.
The working process of the self-extinguishing electric control box is as follows:
the pressure tank 1 is filled with a dry powder extinguishing agent. When an electrical component in the box body is in a fire disaster, the smoke temperature sensor 4 senses smoke and the temperature of the smoke, generates an analog signal, transmits the analog signal to the input end of the controller 3, and the output end of the controller 3 sends an opening instruction to the electromagnetic valve 6. The electromagnetic valve 6 is opened, the dry powder extinguishing agent in the pressure tank 1 enters the injection pipe 2 and is sprayed out through the spray head 5, and the dry powder extinguishing agent covers the fired electric appliance elements, so that the fire in the tank body is prevented from being expanded.
The technical scheme of the utility model, this device realizes the automatic fire extinguishing of electric cabinet under the unmanned monitoring state, puts out the inside initial stage conflagration of electric cabinet.
Specifically, the box top is equipped with the solar energy circuit board, and the solar energy circuit board is connected and is provided the electric energy in controller 3, solenoid valve 6 and smoke temperature sensor 4, perhaps the inside adaptation power that is equipped with of box, and the adaptation power is connected in controller 3, solenoid valve 6 and smoke temperature sensor 4 for provide the electric energy for controller 3, solenoid valve 6 and smoke temperature sensor 4.
Specifically, the pressure tank 1 is provided with an inflation inlet 7 and a pressure gauge 8. The electric power inspection personnel observe the pressure in the pressure tank 1 through the pressure gauge 8; when the pressure in the pressure tank 1 is insufficient, the pressure tank 1 is charged with air through the charging port 7.
Specifically, the smoke temperature sensor 4 is arranged in the upper space in the box body and used for sensing the temperature of smoke rising in the box body and avoiding the smoke temperature sensor 4 from being burnt out by flame in the box body. The smoke temperature sensor 4 is a thermistor.
Specifically, a support 9 is arranged in the upper space of the box body, and the pressure tank 1, the injection pipe 2, the controller 3 and the smoke temperature sensor 4 are respectively and fixedly connected to the support 9.
As shown in fig. 2 and 3, in a specific embodiment, one side wall of the box body is provided with an air inlet 10, the other side wall is provided with an air outlet 11, the air outlet 11 is provided with an air inducing mechanism 12, the fire extinguishing part further comprises a relay 13, a normally closed contact 15 of the relay 13 is connected to the air inducing mechanism 12, a normally open contact 14 of the relay 13 is connected to the electromagnetic valve 6, a coil of the relay 13 is connected to a control switch 16, and the control switch 16 is connected to an output end of the controller 3.
In the present embodiment, specifically, the control switch 16 is used to control the on/off of the coil. When the electrical element normally works, because the normally closed contact 15 of the relay 13 is connected to the air inducing mechanism 12, the air inducing mechanism 12 in the running state drives the air in the box body to reach the air outlet 11 from the air inlet 10, so as to achieve the purpose of heat dissipation of the electrical element in the box body. When an electrical element catches fire, the smoke temperature sensor 4 generates an analog signal and transmits the analog signal to the controller 3, the controller 3 sends a closing instruction to the control switch 16, a coil of the relay 13 is electrified to generate electromagnetic induction, the iron core 17 moves downwards to drive the normally open contact 14 to be closed, the normally closed contact 15 is driven to be disconnected, the electromagnetic valve 6 is electrified to be opened, and the air inducing mechanism 12 is powered off to stop running. Through the control process, air flow entering from the air inlet 10 and flowing out from the air outlet 11 does not exist in the box body any more, namely, fresh air is not supplemented into the box body, and the supplement of combustion-supporting gas in the box body is avoided; meanwhile, the dry powder extinguishing agent is sprayed into the box body and covers the surface of the electrical element in the box body, so that combustion-supporting gas is further prevented from contacting the surface of the electrical element which is self-ignited, and the self-ignition of the electrical element is further avoided.
In the embodiment, as shown in fig. 1 or 2, a partition plate 18 is provided in the case to divide the case into an upper case for mounting the electric component 25 and a lower case for mounting the connection terminal 24.
In this embodiment, specifically, in the routine inspection process of the inspection personnel, when the inspection personnel replace or maintain the wiring terminal 24, the inspection personnel are prevented from contacting the high-voltage electrical component 25 due to the existence of the partition plate 18, and the electric shock accidents of the personnel are avoided. The partition 18 prevents the fire from spreading to the lower box when the electrical element 25 is self-ignited.
As shown in fig. 1 or fig. 2, in the embodiment, the air inlet 10 and the air outlet 11 are respectively provided with dustproof cotton 19.
In this embodiment, specifically, dust in the air has a great influence on the safe operation of the electrical components, affecting the heat dissipation and insulation performance, and a safety accident may occur when too much dust is accumulated in the electrical control box. The dustproof cotton 19 prevents dust outside the box body from entering the box body, and ensures the normal operation of electrical elements.
In the embodiment, as shown in fig. 1 or fig. 2, the bottom wall of the lower case is provided with a wire inlet hole 20.
In this embodiment, specifically, the high voltage cable outside the box enters the lower box through the wire inlet hole 20 and is connected to the wiring terminal, so as to facilitate wiring inside the lower box.
As shown in fig. 1 or fig. 2, in the embodiment, the box body includes a door 21, the door 21 is rotatably connected to a side wall of the box body, the door 21 is provided with a door lock 22, and a sealant 23 is attached to an edge of the door 21.
In the present embodiment, specifically, the door 21 is closed, so that a stable airflow direction from the air inlet 10 to the air outlet 11 is formed in the cabinet; and the box door 21 is opened, so that the inspection personnel can conveniently overhaul the internal equipment of the box body. The sealant 23 prevents external dust from entering the box body from the edge of the box door 21.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a from fire extinguishing electric control box which characterized in that includes:
a box body;
the fire extinguishing system comprises a fire extinguishing part, wherein the fire extinguishing part comprises a pressure tank, an injection pipe, a controller and a smoke temperature sensor, the smoke temperature sensor is arranged in the box body, one end of the injection pipe is connected with the pressure tank, the other end of the injection pipe is connected with a spray head, the spray head is arranged in the box body, a solenoid valve is arranged in the middle of the injection pipe, the output end of the smoke temperature sensor is connected with the input end of the controller, and the output end of the controller is connected with the solenoid valve.
2. The self-extinguishing electric control box according to claim 1, wherein one side wall of the box body is provided with an air inlet, the other side wall is provided with an air outlet, an air inducing mechanism is installed on the air outlet, the fire extinguishing part further comprises a relay, a normally closed contact of the relay is connected to the air inducing mechanism, a normally open contact of the relay is connected to the electromagnetic valve, a coil of the relay is connected to a control switch, and the control switch is connected to an output end of the controller.
3. An auto-extinguish electrical control box according to claim 1 or 2,
the box is internally provided with a partition plate used for dividing the box into an upper box body and a lower box body, the upper box body is used for installing electrical elements, and the lower box body is used for installing wiring terminals.
4. An auto-extinguish electrical control box according to claim 2,
the air inlet with the gas outlet is equipped with dustproof cotton respectively.
5. An auto-extinguish electrical control box according to claim 3,
the bottom wall of the lower box body is provided with a wire inlet hole.
6. An auto-extinguish electrical control box according to claim 1 or 2,
the box body comprises a box door, the box door is rotatably connected to the side wall of the box body, the box door is provided with a door lock, and sealant is attached to the edge of the box door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021099625.5U CN211245281U (en) | 2020-06-15 | 2020-06-15 | Self-extinguishing electric control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021099625.5U CN211245281U (en) | 2020-06-15 | 2020-06-15 | Self-extinguishing electric control box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211245281U true CN211245281U (en) | 2020-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021099625.5U Active CN211245281U (en) | 2020-06-15 | 2020-06-15 | Self-extinguishing electric control box |
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| CN (1) | CN211245281U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112821227A (en) * | 2021-04-01 | 2021-05-18 | 刘德元 | Safe waterproof switch board |
-
2020
- 2020-06-15 CN CN202021099625.5U patent/CN211245281U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112821227A (en) * | 2021-04-01 | 2021-05-18 | 刘德元 | Safe waterproof switch board |
| CN112821227B (en) * | 2021-04-01 | 2022-11-01 | 中海油能源发展装备技术有限公司 | Safe waterproof switch board |
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