CN109149425B - Dustproof high-low voltage switch cabinet dispels heat - Google Patents
Dustproof high-low voltage switch cabinet dispels heat Download PDFInfo
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- CN109149425B CN109149425B CN201811147296.4A CN201811147296A CN109149425B CN 109149425 B CN109149425 B CN 109149425B CN 201811147296 A CN201811147296 A CN 201811147296A CN 109149425 B CN109149425 B CN 109149425B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a heat-dissipation dustproof high-low voltage switch cabinet, and relates to the technical field of switch cabinets. The invention comprises a cabinet body and a heat-conducting plate, wherein one surface of the cabinet body is movably connected with the heat-conducting plate, the peripheral side surface of the cabinet body is fixedly connected with a ventilating pipe, the inner part of the cabinet body is fixedly connected with an electric fan, an air outlet of the electric fan is communicated with an air pipe, one end of the air pipe penetrates through the cabinet body and extends into the ventilating pipe, two side surfaces of the inner wall of the cabinet body are respectively provided with an air exchange port, one surface of each air exchange port is communicated with the ventilating pipe, the peripheral side surface of the ventilating pipe is provided with a plurality of air inlets which are positioned at one side of the air exchange port, one inner wall of the cabinet body is fixedly provided with a temperature sensor, a dust sensor and a radio frequency signal processing device, the invention ensures that a switch circuit is cut off in time when a serious accident occurs by monitoring the tripping of a, has the advantage of high safety.
Description
Technical Field
The invention belongs to the technical field of switch cabinets, and particularly relates to a heat-dissipation dustproof high-low voltage switch cabinet.
Background
The switch cabinet is an electric device, the outside line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement, such as an instrument, an automatic control, a motor magnetic switch, various alternating current contactors and the like. The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system. The classification methods of the switch cabinets are various, for example, the switch cabinets can be divided into a movable switch cabinet and a fixed switch cabinet by a circuit breaker installation mode; or according to different cabinet body structures, the switch cabinet can be divided into an open type switch cabinet, a metal closed armored switch cabinet and the like.
The cubical switchboard produces a large amount of heats at work for inside temperature becomes high, and the heat is not gone out and is influenced the life-span of equipment in the cubical switchboard. In the prior art, a radiator or a fan is usually arranged at the bottom of a switch cabinet to radiate heat in the switch cabinet, but external dust and flies easily enter the switch cabinet through the radiator fan, so that the internal cleanness of the switch cabinet is influenced, and the normal operation of the switch cabinet is sometimes even influenced.
Existing underground coal mine substations are designed as unattended substations more and more, however, a traditional substation monitoring system only monitors measurement and control equipment at intervals of various lines, relay protection and other automation equipment in real time and uploads the monitored data to city scheduling and provincial scheduling, real-time operation environments of various cabinets in the substation cannot be controlled, tripping and fire accidents caused by environments in switch cabinets occur frequently, existing scheduling rules mostly do not have requirements for collecting and feedback controlling various data in the switch cabinets, most of the existing scheduling rules are monitored in real time through camera images or sensors, maintainers are timely dispatched to the field to be eliminated when the situations are abnormal, however, the situations can not eliminate defects timely, and serious consequences are caused frequently.
For the substation under the mine, various devices are in a severe operation environment under the high-temperature and high-dust environment, and the timeliness of finding and processing fault accidents is tested.
Disclosure of Invention
The invention aims to provide a heat-dissipation dustproof high-low voltage switch cabinet which is used for an unattended underground substation of a coal mine, solves the problem that external dust and flies enter a switch cabinet through a heat-dissipation fan to influence the normal operation of the switch cabinet through the design of a ventilation pipe, an inclined air deflector and a heat-conduction plate, and ensures that a switch circuit is cut off in time when a serious accident happens by triggering the trip of a first-level signal trigger switch through a monitoring background and directly triggering the trip of the switch through the opening contact of each sensor in the cabinet;
in order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a heat-dissipation dustproof high-low voltage switch cabinet, which comprises a cabinet body and a heat-conducting plate; one surface of the cabinet body is movably connected with the heat conducting plate; the peripheral side surface of the cabinet body is fixedly connected with a ventilating pipe; the electric fan is fixedly connected inside the cabinet body; the air outlet of the electric fan is communicated with an air pipe; one end of the air pipe penetrates through the cabinet body and extends into the ventilation pipe; air exchange openings are formed in two side faces of the inner wall of the cabinet body; one surface of the air exchange opening is communicated with the ventilation pipe; two air inlets are formed in the peripheral side face of the ventilation pipe; the air inlet is positioned on one side of the air exchange opening.
Furthermore, an inclined wind shield is fixedly connected to the inner wall of the ventilation pipe; the peripheral side surface of the ventilation pipe is provided with an air outlet; the air outlet is positioned on one side of the inclined wind shield.
Furthermore, an inclined air deflector is fixedly connected to the surface of the air inlet and the surface of the air exchange port; the inclined air deflector is positioned in the ventilation pipe.
Furthermore, twelve through holes are formed in one surface of the cabinet body; twelve heat conducting rods are fixedly connected to one surface of the heat conducting plate; the peripheral side surface of the heat conducting rod is connected with the through hole in a sliding manner; one end of the heat conducting rod, which is positioned in the cabinet body, is in threaded connection with a heat conducting disc; one surface of the heat conduction plate is movably connected with the inner wall of the cabinet body.
Furthermore, four threaded holes are formed in one surface of the heat conducting plate; and the inner wall of the threaded hole is in threaded connection with a bolt.
Furthermore, a sealing door is rotatably connected to one surface of the cabinet body.
Furthermore, the intelligent monitoring system is used for an unattended underground coal mine substation, a temperature sensor, a dust sensor and a radio frequency signal processing device are fixed on one inner wall of a cabinet body, the radio frequency signal processing device respectively sends corresponding different frequency signals to different sensors, then real-time data of each sensor is acquired by acquiring the frequency signals returned by different sensors, the radio frequency signal processing device identifies and marks the acquired data as a first-level signal, a second-level signal and a third-level signal, the radio frequency signal processing device is provided with a communication unit connected with a monitoring background, the monitoring background acquires the first-level signal, the second-level signal and the third-level signal of each sensor through the communication unit and respectively triggers an SOE telecontrol tripping signal, an accident signal and an alarm signal in the monitoring background according to the first-level signal, the second-level signal and the third-level signal, wherein the SOE telecontrol tripping signal can carry out tripping operation on a switch of a monitored switch cabinet and record fault information, recording the serious abnormity of the monitored data index of the monitored switch cabinet by an accident signal, wherein the alarm signal is used for reminding the deviation of the real-time data of the monitored switch cabinet from a reasonable range; the temperature sensor and the dust sensor are provided with an outgoing plug-in unit, each outgoing plug-in unit is provided with a pair of outgoing contacts connected with an incoming contact for tripping operation of a switch of the monitored switch cabinet, and when the temperature sensor and the dust sensor reach a data range limited by a first-level signal, the outgoing contacts of the outgoing plug-in units are triggered to realize the tripping operation of the switch; the tripping of the first-stage signal trigger switch by the monitoring background and the tripping of the direct trigger switch by the open contact of each sensor in the cabinet ensure that the switch circuit is cut off in time when a serious accident occurs; the first-stage signal defines a data range of: the temperature sensor monitors the temperature in real time: and >95 ℃, monitoring the dust concentration in real time by a dust sensor: >800mg/m 3; the second-stage signal defines a data range of: the temperature sensor monitors the temperature in real time: and (3) 70-95 ℃, monitoring the dust concentration in real time by a dust sensor: 5-800mg/m 3; the third-stage signal defines a data range of: the temperature sensor monitors the temperature in real time: and (3) at 50-70 ℃, monitoring the dust concentration in real time by a dust sensor: 0-5mg/m 3.
The invention has the following beneficial effects:
1. the invention adopts the design of the electric fan, the ventilation pipe, the inclined air deflector and the inclined air deflector, the electric fan transmits the heat in the switch cabinet to the ventilation pipe, the hot air flow sequentially passes through the inclined air deflector of the air inlet and the inclined air deflector of the air exchange port, finally flows to the inclined wind shield and is discharged from the air outlet, the outside air sequentially passes through the air inlet and the air exchange port and enters the switch cabinet, the air in the switch cabinet is supplemented, dust and insects and flies in the air entering the switch cabinet are taken away by hot air flow in the ventilation pipe, and along with the air current is discharged from the air outlet, can carry out the work of dispelling the heat to the cubical switchboard, can prevent again that external dust from getting into in the cubical switchboard, improved the life of equipment in the cubical switchboard, avoided external dust and insect fly to pass through radiator fan and get into inside the cubical switchboard, influence the inside cleanness of cubical switchboard, influence the problem of cubical switchboard normal operating even.
2. According to the invention, through the design of the heat conducting plate and the heat conducting disc, the heat conducting disc transmits the heat in the switch cabinet to the heat conducting plate through the heat conducting rod, and the heat conducting plate exchanges heat with the external environment, so that the heat dissipation effect in the switch cabinet is ensured to a greater extent, and the heat dissipation rate in the switch cabinet is improved.
3. The invention fully guarantees the safety of the switch cabinet through the functions of the temperature sensor and the dust sensor, finds various potential safety hazards in time and gives an alarm, and has the advantage of high safety.
4. The first-level signal trigger switch is tripped by the monitoring background and the switch is directly triggered to trip by the open contact of each sensor in the cabinet, so that the switch circuit is cut off in time when a serious accident occurs, and the fault occurrence rate caused by equipment failure or other external factors is obviously reduced by the redundant trip configuration. In addition, the arrangement of the radio frequency signal processing device greatly improves the data processing speed and capacity, reduces the pressure of background monitoring data processing, greatly reduces the fault false alarm probability due to the grading processing during data acquisition and processing, avoids unnecessary tripping, also facilitates timely troubleshooting of different faults by operators, is purposeful, and greatly improves the overhauling and operating efficiency.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a heat-dissipating and dust-proof high-low voltage switch cabinet;
FIG. 2 is a schematic view of the internal structure of the cabinet;
FIG. 3 is a schematic view of the air outlet;
FIG. 4 is a schematic view of the construction of the vent;
FIG. 5 is a schematic structural diagram of a heat-conducting plate;
in the drawings, the components represented by the respective reference numerals are listed below:
1-cabinet body, 2-heat conducting plate, 101-air pipe, 102-electric fan, 103-air pipe, 104-air exchange port, 105-air inlet, 106-inclined wind shield, 107-air outlet, 108-inclined wind shield, 109-through hole, 110-sealing door, 201-heat conducting rod, 202-heat conducting disc, 203-threaded hole and 204-bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention is a heat-dissipating and dust-proof high-low voltage switch cabinet, which includes a cabinet body 1 and a heat-conducting plate 2; one surface of the cabinet body 1 is movably connected with the heat conducting plate 2; the peripheral side of the cabinet body 1 is fixedly connected with a ventilation pipe 101; the ventilation pipe 101 is in a square loop structure; the cabinet body 1 is fixedly connected with an electric fan 102; an air pipe 103 is communicated with an air outlet of the electric fan 102; one end of the air pipe 103 penetrates through the cabinet body 1 and extends into the ventilation pipe 101; air exchange openings 104 are formed in the two side surfaces of the inner wall of the cabinet body 1; one surface of the air exchange opening 104 is communicated with the ventilation pipe 101; two air inlets 105 are formed in the peripheral side face of the ventilation pipe 101; the air inlet 105 is located at one side of the ventilation opening 104.
As shown in fig. 3-4, an inclined wind deflector 106 is fixedly connected to the inner wall of the ventilation pipe 101; an air outlet 107 is formed in the peripheral side face of the ventilation pipe 101; air outlet 107 is located on the side of inclined air deflector 106.
As shown in fig. 4, an inclined air deflector 108 is fixedly connected to both a surface of the air inlet 105 and a surface of the air exchanging port 104; the inclined air deflector 108 is positioned inside the ventilation pipe 101; the inclined air deflector 108 can not only prevent external dust and insects from entering the cabinet 1; but also can prevent the hot air in the ventilation pipe 101 from flowing back to the cabinet body 1; and has a flow guiding effect on the hot air in the ventilation pipe 101.
As shown in fig. 3-5, twelve through holes 109 are formed on one surface of the cabinet body 1; twelve heat conducting rods 201 are fixedly connected to one surface of the heat conducting plate 2; the peripheral side surface of the heat conducting rod 201 is connected with the through hole 109 in a sliding way; one end of the heat conducting rod 201, which is positioned inside the cabinet body 1, is connected with a heat conducting disc 202 through threads; one surface of the heat conducting disc 202 is movably connected with the inner wall of the cabinet body 1; the heat conducting plate 202 is twisted to be attached to the casing of the cabinet 1 and the heat conducting plate 2 and fix the position of the cabinet 1.
As shown in fig. 5, four threaded holes 203 are formed in one surface of the heat conducting plate 2; the inner wall of the threaded hole 203 is in threaded connection with a bolt 204; the heat conducting plate 2 and the cabinet body 1 are fixed on the wall body through bolts 204.
As shown in fig. 1, a sealing door 110 is rotatably connected to one surface of the cabinet 1.
The electric fan 102 is electrically connected to the controller and the power supply through wires.
When in use, the electric fan 102 transmits heat in the cabinet body 1 to the ventilation pipe 101; the hot air flow in the ventilation pipe 101 sequentially passes through the inclined air deflector 108 of the air inlet 105 and the inclined air deflector 108 of the air exchange port 104; finally, the air flows to an inclined air baffle 106 and is discharged from an air outlet 107; the outside air enters the cabinet body 1 through the air inlet 105 and the air exchange port 104 in sequence; supplementing the air in the cabinet body 1; dust and flies in the air entering the cabinet body 1 are taken away by the hot air flow in the ventilation pipe 101; and is discharged from the air outlet 107 along with the air flow; the heat dissipation work can be carried out on the switch cabinet; but also can prevent external dust from entering the switch cabinet; the service life of equipment in the switch cabinet is prolonged; the heat conduction plate 202 transmits heat in the cabinet body 1 to the heat conduction plate 2 through the heat conduction rod 201; the heat conducting plate 2 exchanges heat with the external environment; the heat dissipation effect in the switch cabinet is ensured to a greater extent; the heat dissipation rate inside the switch cabinet is improved.
The intelligent monitoring system is used for an unattended underground coal mine substation, a temperature sensor, a dust sensor and a radio frequency signal processing device are fixed on one inner wall of a cabinet body, the radio frequency signal processing device respectively sends corresponding different frequency signals to different sensors, then acquires real-time data of each sensor by acquiring the frequency signals returned by the different sensors, the radio frequency signal processing device identifies and marks the acquired data as a first-stage signal, a second-stage signal and a third-stage signal, the radio frequency signal processing device is provided with a communication unit connected with a monitoring background, the monitoring background acquires the first-stage signal, the second-stage signal and the third-stage signal of each sensor through the communication unit and respectively triggers an SOE telecontrol tripping signal, an accident signal and an alarm signal in the monitoring background according to the first-stage signal, the second-stage signal and the third-stage signal, wherein the SOE telecontrol tripping signal can trip a switch of a monitored switch cabinet and record fault information, recording the serious abnormity of the monitored data index of the monitored switch cabinet by an accident signal, wherein the alarm signal is used for reminding the deviation of the real-time data of the monitored switch cabinet from a reasonable range; the temperature sensor and the dust sensor are provided with an outgoing plug-in unit, each outgoing plug-in unit is provided with a pair of outgoing contacts connected with an incoming contact for tripping operation of a switch of the monitored switch cabinet, and when the temperature sensor and the dust sensor reach a data range limited by a first-level signal, the outgoing contacts of the outgoing plug-in units are triggered to realize the tripping operation of the switch; the tripping of the first-stage signal trigger switch by the monitoring background and the tripping of the direct trigger switch by the open contact of each sensor in the cabinet ensure that the switch circuit is cut off in time when a serious accident occurs; the first-stage signal defines a data range of: the temperature sensor monitors the temperature in real time: and >95 ℃, monitoring the dust concentration in real time by a dust sensor: >800mg/m 3; the second-stage signal defines a data range of: the temperature sensor monitors the temperature in real time: and (3) 70-95 ℃, monitoring the dust concentration in real time by a dust sensor: 5-800mg/m 3; the third-stage signal defines a data range of: the temperature sensor monitors the temperature in real time: and (3) at 50-70 ℃, monitoring the dust concentration in real time by a dust sensor: 0-5mg/m 3.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (3)
1. A heat dissipation and dust prevention-based heat dissipation method for a high-low voltage switch cabinet is characterized by being used for an unattended underground coal mine substation, wherein the heat dissipation and dust prevention high-low voltage switch cabinet comprises a cabinet body and a heat conducting plate; one surface of the cabinet body is movably connected with the heat conducting plate; the peripheral side surface of the cabinet body is fixedly connected with a ventilating pipe; the electric fan is fixedly connected inside the cabinet body; the air outlet of the electric fan is communicated with an air pipe; one end of the air pipe penetrates through the cabinet body and extends into the ventilation pipe; air exchange openings are formed in two side faces of the inner wall of the cabinet body; one surface of the air exchange opening is communicated with the ventilation pipe; a plurality of air inlets are formed in the peripheral side face of the ventilation pipe; the air inlet is positioned on one side of the air exchange port, a temperature sensor, a dust sensor and a radio frequency signal processing device are fixed on the inner wall of the cabinet body, and an inclined wind shield is fixedly connected to the inner wall of the ventilation pipe; the peripheral side surface of the ventilation pipe is provided with an air outlet; the air outlet is positioned on one side of the inclined wind shield; the surface of the air inlet and the surface of the air exchange port are both fixedly connected with inclined air deflectors; the inclined air deflector is positioned inside the ventilation pipe; a plurality of through holes are formed in one surface of the cabinet body; a plurality of heat conducting rods are fixedly connected to one surface of the heat conducting plate; the peripheral side surface of the heat conducting rod is connected with the through hole in a sliding manner; one end of the heat conducting rod, which is positioned in the cabinet body, is in threaded connection with a heat conducting disc; one surface of the heat conduction plate is movably connected with the inner wall of the cabinet body;
the heat dissipation method comprises the following steps: the electric fan conveys heat in the cabinet body to the ventilation pipe; hot air flow in the ventilation pipe sequentially passes through the inclined air deflector of the air inlet and the inclined air deflector of the air exchange port; finally, the air flow reaches the inclined wind shield and is discharged from the air outlet; the outside air enters the cabinet body through the air inlet and the air exchange port in sequence; supplementing air in the cabinet body; dust and insects and flies in the air entering the cabinet body are taken away by the hot air flow in the ventilation pipe; and is discharged from the air outlet along with the airflow; the heat dissipation work can be carried out on the switch cabinet; but also can prevent external dust from entering the switch cabinet; the service life of equipment in the switch cabinet is prolonged; the heat conduction plate transmits heat in the cabinet body to the heat conduction plate through the heat conduction rod; the heat conducting plate exchanges heat with the external environment; the radio frequency signal processing device respectively sends corresponding different frequency signals to different sensors, acquires real-time data of each sensor by acquiring the frequency signals returned by the different sensors, identifies and marks the acquired data as first-level, second-level and third-level signals, is provided with a communication unit connected with a monitoring background, acquires the first-level, second-level and third-level signals of each sensor through the communication unit, and respectively triggering an SOE telecontrol tripping signal, an accident signal and an alarm signal in a monitoring background according to the first-stage signal, the second-stage signal and the third-stage signal, the SOE telecontrol tripping signal can perform tripping operation on a switch of the monitored switch cabinet and record fault information, the accident signal records that a monitoring data index of the monitored switch cabinet is seriously abnormal, and the alarm signal is used for reminding that real-time data of the monitored switch cabinet deviates from a reasonable range; the temperature sensor and the dust sensor are provided with an outgoing plug-in unit, each outgoing plug-in unit is provided with a pair of outgoing contacts connected with an incoming contact for tripping operation of a switch of the monitored switch cabinet, and when the temperature sensor and the dust sensor reach a data range limited by a first-level signal, the outgoing contacts of the outgoing plug-in units are triggered to realize the tripping operation of the switch; the tripping of the first-stage signal trigger switch by the monitoring background and the tripping of the direct trigger switch by the open contact of each sensor in the cabinet ensure that the switch circuit is cut off in time when a serious accident occurs; the first-stage signal defines a data range of: the temperature sensor monitors the temperature in real time: and >95 ℃, monitoring the dust concentration in real time by a dust sensor: >800mg/m 3; the second-stage signal defines a data range of: the temperature sensor monitors the temperature in real time: and (3) 70-95 ℃, monitoring the dust concentration in real time by a dust sensor: 5-800mg/m 3; the third-stage signal defines a data range of:
the temperature sensor monitors the temperature in real time: and (3) at 50-70 ℃, monitoring the dust concentration in real time by a dust sensor: 0-5mg/m 3.
2. The heat dissipating method of claim 1, wherein the heat conducting plate has a plurality of threaded holes formed on a surface thereof; and the inner wall of the threaded hole is in threaded connection with a bolt.
3. The heat dissipating method of claim 1, wherein a sealing door is rotatably connected to a surface of the cabinet.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811147296.4A CN109149425B (en) | 2018-09-29 | 2018-09-29 | Dustproof high-low voltage switch cabinet dispels heat |
| CN202010954717.5A CN112072518B (en) | 2018-09-29 | 2018-09-29 | Heat dissipation dust-protection type high-low voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811147296.4A CN109149425B (en) | 2018-09-29 | 2018-09-29 | Dustproof high-low voltage switch cabinet dispels heat |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010954717.5A Division CN112072518B (en) | 2018-09-29 | 2018-09-29 | Heat dissipation dust-protection type high-low voltage switch cabinet |
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| Publication Number | Publication Date |
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| CN109149425A CN109149425A (en) | 2019-01-04 |
| CN109149425B true CN109149425B (en) | 2020-10-23 |
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| CN201811147296.4A Active CN109149425B (en) | 2018-09-29 | 2018-09-29 | Dustproof high-low voltage switch cabinet dispels heat |
| CN202010954717.5A Active CN112072518B (en) | 2018-09-29 | 2018-09-29 | Heat dissipation dust-protection type high-low voltage switch cabinet |
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| CN202010954717.5A Active CN112072518B (en) | 2018-09-29 | 2018-09-29 | Heat dissipation dust-protection type high-low voltage switch cabinet |
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| CN110430732A (en) * | 2019-08-08 | 2019-11-08 | 中科鼎盛电梯科技江苏有限公司浙江分公司 | It is a kind of outdoor without foundation pit installation elevator computer room control cabinet |
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| CN106786038A (en) * | 2016-11-24 | 2017-05-31 | 国网河南新安县供电公司 | A kind of hermetically sealed power distribution cabinet of dust and moisture, constant temperature |
| CN206585245U (en) * | 2017-03-20 | 2017-10-24 | 山东金人电气有限公司 | A kind of switchgear house casing |
| CN107069496A (en) * | 2017-05-17 | 2017-08-18 | 中科天工电气控股有限公司 | A kind of draw-out type low voltage switch cabinet of easy access |
| CN206894088U (en) * | 2017-06-29 | 2018-01-16 | 上海宝灵超亚电器有限公司 | Active heat removal small distribution cabinet |
| CN107317243A (en) * | 2017-08-01 | 2017-11-03 | 四川省绵竹市西南电器开关有限责任公司 | Air inlet structure for power distribution cabinet |
| CN207282945U (en) * | 2017-10-20 | 2018-04-27 | 南京泓凯动力***科技有限公司 | A kind of high voltage power distributing cabinet moisture-proof easy to heat dissipation |
| CN107959248B (en) * | 2017-12-21 | 2019-09-27 | 天美电气有限公司 | A kind of open air dust-proof radiating high-voltage appliance switch cabinet |
| CN108306185B (en) * | 2018-01-29 | 2019-09-06 | 安徽建筑大学 | A kind of electrical control cabinet and its active cooling system |
| CN108448454A (en) * | 2018-05-06 | 2018-08-24 | 郑飞珍 | A kind of dust-proof damp proof power switch cabinet |
-
2018
- 2018-09-29 CN CN201811147296.4A patent/CN109149425B/en active Active
- 2018-09-29 CN CN202010954717.5A patent/CN112072518B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109149425A (en) | 2019-01-04 |
| CN112072518A (en) | 2020-12-11 |
| CN112072518B (en) | 2022-09-09 |
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Effective date of registration: 20200925 Address after: 257000 in Shengtuo road power supply institute, Kenli District, Dongying City, Shandong Province Applicant after: SHENGLI OILFIELD HENGYUAN ELECTRIC Co.,Ltd. Address before: 450000 No. 10 Development Road, Mazhai Town, Erqi District, Zhengzhou City, Henan Province Applicant before: HENAN YANUO ELECTRIC EQUIPMENT Co.,Ltd. |
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