CN210813612U - Automatic fire extinguishing system for electrical cabinet - Google Patents
Automatic fire extinguishing system for electrical cabinet Download PDFInfo
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- CN210813612U CN210813612U CN201921038532.9U CN201921038532U CN210813612U CN 210813612 U CN210813612 U CN 210813612U CN 201921038532 U CN201921038532 U CN 201921038532U CN 210813612 U CN210813612 U CN 210813612U
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Abstract
The utility model provides an automatic fire extinguishing system of an electric cabinet, which comprises a semiconductor differential temperature detector and a mechanical temperature-sensing magnetic power generation detector, wherein the semiconductor differential temperature detector and the mechanical temperature-sensing magnetic power generation detector are respectively connected with an aerosol fire extinguishing device; the semiconductor differential temperature detector comprises a semiconductor differential temperature conducting strip and a first rectifier diode; the mechanical temperature-sensing magnetic power generation detector comprises a mechanical temperature-sensing magnetic power generation assembly and a second rectifier diode; the mechanical temperature-sensing magnetic power generation assembly comprises a motor soft starter; and a temperature judgment program I and a temperature judgment program II are respectively arranged in the semiconductor differential temperature detector and the mechanical temperature-sensing magnetic power generation detector. The utility model discloses need not external power supply, simple structure can adopt second grade temperature gradient to survey according to ambient temperature automatic start extinguishing device, has effectually reduced the maloperation for time and the efficiency of fire control have ensured the reliability of system operation.
Description
Technical Field
The utility model mainly relates to a technical field of extinguishing device, concretely relates to regulator cubicle automatic fire extinguishing system.
Background
In the modern society, the electrical cabinet plays an important role in our work and life, and plays a role in controlling and managing our electricity utilization. Along with the increase of consumer, the power consumption load is bigger and bigger, and the wire temperature also can corresponding rising along with the electric current increase in the regulator cubicle leads to the electric wire ageing with higher speed, and reasons such as circuit short circuit, contact are not hard up also arouse the conflagration easily moreover, and the speed of circuit on fire and burning is very fast simultaneously, in case the conflagration breaks out, often just discovers when the condition of a fire is great, not only influences our normal work and life, more can cause the threat to our lives and properties. The existing fire extinguishing system for the electrical cabinet needs a standby power supply or an external power supply to supply power for detection equipment, transmission equipment and the like, and once the power supply is powered off, the fire extinguishing system cannot operate, so that serious potential safety hazards exist.
In the prior patent literature, patent CN208081683U is characterized by: the smoke sensor is characterized by further comprising a standby power supply, and the temperature sensor (4), the smoke sensor (5), the controller and the secondary electromagnetic valve (7) are all powered through the standby power supply. The fire extinguishing system has the disadvantages that a standby power supply is needed, the whole fire extinguishing system cannot normally operate once the power supply is dead or damaged, the whole system also needs a controller, a secondary electromagnetic device and other equipment, the system structure is complex, and the complexity and the cost of the fire extinguishing system are increased.
Patent CN203763723U is characterized by: and an extinguishing starting signal line and an alarm feedback device are arranged between the fire probe and the aerosol extinguishing generating device. The disadvantages of the fire extinguishing system are that external power supply is needed, the system cannot operate when power is cut off, a feedback device is needed, and the like, so that the cost and the installation difficulty of the fire extinguishing system are increased.
Patent CN207152929U is characterized by: comprises a fire extinguishing agent cabinet and a fire extinguishing module group which is arranged on the inner wall of a cabinet body of a power distribution cabinet and is connected with the fire extinguishing agent cabinet through a pipeline; all the fire extinguishing modules comprise fire extinguishing pipelines, and connectors are arranged at the end parts of the fire extinguishing pipelines. The fire extinguishing system has the disadvantages of more equipment and more pipelines, and also needs a bracket for supporting and fixing, thereby increasing the difficulty and complexity of the installation of the fire extinguishing system.
SUMMERY OF THE UTILITY MODEL
The utility model mainly provides an automatic fire extinguishing system for regulator cubicle for solve the technical problem who proposes in the above-mentioned background art.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
an automatic fire extinguishing system of an electric cabinet comprises a semiconductor differential temperature detector and a mechanical temperature-sensing magnetic power generation detector, wherein the semiconductor differential temperature detector and the mechanical temperature-sensing magnetic power generation detector are respectively connected with an aerosol fire extinguishing device;
the semiconductor differential temperature detector comprises a semiconductor differential temperature conducting strip and a first rectifier diode;
the mechanical temperature-sensing magnetic power generation detector comprises a mechanical temperature-sensing magnetic power generation assembly and a second rectifier diode;
and a temperature judgment program I and a temperature judgment program II are respectively arranged in the semiconductor differential temperature detector and the mechanical temperature-sensing magnetic power generation detector.
Further, the model of the semiconductor differential temperature conducting strip is TEc 1-031100.
Further, the model of the motor soft starter is SJR 2-2000.
Further, the first rectifying diode and the second rectifying diode are both 1N5408 in model.
Further, the semiconductor differential temperature conductive sheet comprises an SCADA alarm system.
Further, the threshold range of the temperature determination program I does not coincide with the threshold range of the temperature determination program II.
Furthermore, the aerosol fire extinguishing device is a suspension type dry powder fire extinguisher with the model number of GRR0.13G/S.
Further, the whole fire extinguishing system is not externally connected with a power supply.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a fire extinguishing system knot simple structure, convenient operation, the electricity generation principle through semiconductor differential temperature electricity generation piece is that combine one end of thermoelectric conversion material N type and P type semiconductor of two different grade types and put it into high temperature state, when the other end opens a way and gives low temperature, because the thermal excitation effect of high temperature end is stronger, the hole and the electron of high temperature end can spread to low temperature end to form the potential difference at low temperature open end, thereby produce the electric current; the two temperature-sensing detectors are set with different temperature thresholds, when the temperature in the electrical cabinet rises due to a fire disaster and reaches the threshold of the mechanical temperature-sensing magnetic power generation detector, an electric signal is generated, and the aerosol fire extinguishing device is started after the electric signal passes through the rectifier diode; when the temperature in the electric appliance cabinet reaches a threshold value set by the semiconductor differential temperature power generation sheet detector, an electric signal is generated, the aerosol fire extinguishing device is started after the electric signal passes through the rectifier diode, and the whole fire extinguishing system realizes secondary temperature gradient detection and starting of the aerosol fire extinguishing device; the fire extinguishing system is convenient to install and maintain, meanwhile, the fire extinguishing device can be automatically started according to the ambient temperature, misoperation is effectively reduced, the time and the efficiency of fire fighting are accelerated, and the reliability of system operation is ensured.
The present invention will be explained in detail with reference to the drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural view of the fire extinguishing system of the utility model.
In the figure: 100-semiconductor differential temperature detector; 110-semiconductor differential temperature power generation sheet; 111-temperature determination procedure I; 112-SCADA alarm system; 120-a first rectifying diode; 200-mechanical temperature-sensing magnetic power generation detector; 210-a mechanical temperature-sensing magnetic power generation component; 211-temperature determination procedure II; 220-a second rectifying diode; 300-aerosol fire extinguishing device.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In an embodiment, referring to fig. 1, an automatic fire extinguishing system for an electrical cabinet includes a semiconductor differential temperature detector 100 and a mechanical temperature-sensitive magnetic generator 200, where the semiconductor differential temperature detector 100 and the mechanical temperature-sensitive magnetic generator 200 are respectively connected to an aerosol fire extinguishing apparatus 300;
the semiconductor differential temperature detector 100 comprises a semiconductor differential temperature conductive sheet 110 and a first rectifying diode 120;
the mechanical temperature-sensitive magnetic power generation detector 200 comprises a mechanical temperature-sensitive magnetic power generation component 210 and a second rectifier diode 220;
the semiconductor differential temperature detector 100 and the mechanical temperature-sensitive magnetic generator 200 are respectively provided with a temperature determination program I111 and a temperature determination program II 211.
The model of the semiconductor differential temperature conducting strip 110 is TEc 1-031100; the model of the motor soft starter 213 is SJR 2-2000; the models of the first rectifying diode 120 and the second rectifying diode 220 are both 1N 5408; the semiconductor differential temperature conducting strip 110 comprises an SCADA alarm system 112; the threshold range of the temperature determination program I111 is greater than the threshold range of the temperature determination program II 211; the aerosol fire extinguishing device 300 is a suspension type dry powder fire extinguisher with the model number of GRR0.13G/S; the whole fire extinguishing system is not connected with an external power supply.
The utility model discloses a concrete operation as follows:
when the temperature in the electrical cabinet rises due to a fire disaster of the electrical cabinet and reaches a threshold value of 93 ℃ of a temperature determination program II211 in the mechanical temperature-sensing magnetic power generation assembly 210, an electric signal is generated, and the aerosol fire extinguishing device 300 is started after the electric signal passes through the second rectifier diode 220; when the temperature in the electric appliance cabinet reaches the threshold value of 110 ℃ set in the semiconductor differential temperature power generation sheet detector 100, an electric signal is also generated, the aerosol fire extinguishing device 300 is started after the electric appliance cabinet passes through the first rectifier diode 120, the whole fire extinguishing system starts the aerosol fire extinguishing device 300 through secondary temperature gradient detection, and meanwhile, the signal is transmitted to the SCADA alarm end.
The above description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the method and the technical solution of the present invention are not substantially improved or directly applied to other occasions without improvement, and are all within the protection scope of the present invention.
Claims (7)
1. An automatic fire extinguishing system of an electric cabinet is characterized in that the fire extinguishing system comprises a semiconductor differential temperature detector (100) and a mechanical temperature-sensing magnetic generating detector (200), wherein the semiconductor differential temperature detector (100) and the mechanical temperature-sensing magnetic generating detector (200) are respectively connected with an aerosol fire extinguishing device (300);
the semiconductor differential temperature detector (100) comprises a semiconductor differential temperature conducting strip (110) and a first rectifying diode (120);
the mechanical temperature-sensing magnetic power generation detector (200) comprises a mechanical temperature-sensing magnetic power generation component (210) and a second rectifier diode (220);
the semiconductor differential temperature detector (100) and the mechanical temperature-sensitive magnetic generating detector (200) are respectively provided with a temperature judgment program I (111) and a temperature judgment program II (211).
2. An automatic fire extinguishing system for electric cabinets according to claim 1, characterized in that the semiconductor differential temperature conductive sheet (110) is model number TEc 1-031100.
3. The automatic fire extinguishing system for electric cabinets according to claim 1, characterized in that the first rectifier diode (120) and the second rectifier diode (220) are each 1N5408 in type.
4. An automatic fire extinguishing system for electric cabinets according to claim 1, characterized in that a SCADA alarm system (112) is included in the semiconductor differential temperature conducting sheet (110).
5. An automatic fire extinguishing system for electric cabinets according to claim 1, characterized in that the threshold range of the temperature determination procedure I (111) is inconsistent with the threshold range of the temperature determination procedure II (211).
6. An automatic fire extinguishing system for electric cabinets according to claim 1, characterized in that the aerosol fire extinguishing apparatus (300) is a hanging dry powder fire extinguisher, model number GRR0.13G/S.
7. The automatic fire extinguishing system for electric cabinets according to claim 1, characterized in that the whole fire extinguishing system is not externally connected with a power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921038532.9U CN210813612U (en) | 2019-07-05 | 2019-07-05 | Automatic fire extinguishing system for electrical cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921038532.9U CN210813612U (en) | 2019-07-05 | 2019-07-05 | Automatic fire extinguishing system for electrical cabinet |
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| CN210813612U true CN210813612U (en) | 2020-06-23 |
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| CN201921038532.9U Active CN210813612U (en) | 2019-07-05 | 2019-07-05 | Automatic fire extinguishing system for electrical cabinet |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113476765A (en) * | 2021-07-12 | 2021-10-08 | 许昌许继风电科技有限公司 | Full-submergence automatic fire-fighting system for engine room of wind turbine generator and control method thereof |
| CN114053626A (en) * | 2021-10-22 | 2022-02-18 | 安徽中盛轨道交通产业有限公司 | Automatic fire monitoring and extinguishing device for electrical cabinet of subway engineering vehicle |
| CN114652981A (en) * | 2022-03-25 | 2022-06-24 | 华能新疆能源开发有限公司新能源东疆分公司 | Automatic fire extinguishing method for wind turbine generator |
-
2019
- 2019-07-05 CN CN201921038532.9U patent/CN210813612U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113476765A (en) * | 2021-07-12 | 2021-10-08 | 许昌许继风电科技有限公司 | Full-submergence automatic fire-fighting system for engine room of wind turbine generator and control method thereof |
| CN114053626A (en) * | 2021-10-22 | 2022-02-18 | 安徽中盛轨道交通产业有限公司 | Automatic fire monitoring and extinguishing device for electrical cabinet of subway engineering vehicle |
| CN114652981A (en) * | 2022-03-25 | 2022-06-24 | 华能新疆能源开发有限公司新能源东疆分公司 | Automatic fire extinguishing method for wind turbine generator |
| WO2023179175A1 (en) * | 2022-03-25 | 2023-09-28 | 华能新疆能源开发有限公司新能源东疆分公司 | Automatic fire-extinguishing method for wind turbine generator set |
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