CN112290427A - Low-voltage power type distribution box - Google Patents
Low-voltage power type distribution box Download PDFInfo
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- CN112290427A CN112290427A CN202011030545.9A CN202011030545A CN112290427A CN 112290427 A CN112290427 A CN 112290427A CN 202011030545 A CN202011030545 A CN 202011030545A CN 112290427 A CN112290427 A CN 112290427A
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- 238000009826 distribution Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 19
- 239000000428 dust Substances 0.000 claims description 17
- 238000012544 monitoring process Methods 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 8
- 238000007791 dehumidification Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000012806 monitoring device Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 12
- 230000017525 heat dissipation Effects 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 7
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- 229910002092 carbon dioxide Inorganic materials 0.000 description 6
- 239000001569 carbon dioxide Substances 0.000 description 6
- 239000000110 cooling liquid Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
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Images
Classifications
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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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0018—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using gases or vapours that do not support combustion, e.g. steam, carbon dioxide
- A62C99/0027—Carbon dioxide extinguishers
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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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
- H02B1/24—Circuit arrangements for boards or switchyards
-
- 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
-
- 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
- H02B1/46—Boxes; Parts thereof or accessories therefor
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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
- H02J13/00001—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 the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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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
- H02J13/00002—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 monitoring
-
- 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
- H02J13/00022—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 using wireless data transmission
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y04S40/126—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 using wireless data transmission
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Public Health (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention discloses a low-voltage power type distribution box, relates to the technical field of distribution boxes, and aims to solve the problems that the existing low-voltage power type distribution box cannot be monitored in real time and flame cannot be processed. The utility model discloses a component chamber, including box, heat-conducting plate, component chamber, current sensor and first temperature sensor, the inside component chamber is provided with the component chamber, the heat-conducting plate is installed to the rear end of component intracavity portion, the component intracavity has been from top to bottom set gradually first circuit breaker, main switch be qualified for the next round of competitions, main female arranging, branch mother arrange and the second circuit breaker, current sensor and first temperature sensor are installed respectively to first circuit breaker both sides, the singlechip is installed to one side of component intracavity portion lower extreme, the internally mounted of air outlet has first fan, the second fan is all installed to the both sides of box, the inside upper end of box is provided with the catch tray, the.
Description
Technical Field
The invention relates to the technical field of distribution boxes, in particular to a low-voltage power type distribution box.
Background
The rated current of the low-voltage power type distribution box is AC 50Hz, and the rated voltage is 380v, and the distribution system is used for power, illumination and electric energy conversion and control of distribution. The product has the characteristics of strong breaking capacity, good dynamic and thermal stability, flexible electric scheme introduction, convenient combination, strong seriousness and practicability, novel structure and the like, and the market of the low-voltage power type distribution box in China keeps a rapidly-increasing situation along with the construction and implementation of a smart grid and infrastructure, the investment of manufacturing industry and the development of new energy industry.
The low-voltage power distribution box is a low-voltage distribution device formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement. The circuit can be switched on or off manually in normal operation, and can be switched off or alarmed by means of protective electric appliance in fault or abnormal operation, and various parameters in operation can be displayed by means of measuring instrument, and some electric parameters can be regulated, and can be commonly used in various distribution, distribution and transformation substations.
However, current low pressure power type block terminal still has some problems in the use, one, the real-time supervision effect to internal component or electrical apparatus is relatively poor, the operating condition of component and electrical apparatus can not be mastered in real time to the technical staff, can only when component and electrical apparatus break down, just can react, thereby improve and maintain the replacement cost, two, the security of low pressure power type block terminal is relatively poor, when causing local the fire because the special conditions to take place inside, low pressure power type block terminal can not be handled fast, thereby lead to the improvement of dangerous degree, consequently unsatisfied current demand, we have proposed a low pressure power type block terminal to this.
Disclosure of Invention
The purpose of the invention is as follows: the low-voltage power distribution box is characterized by being provided to solve the problems that the low-voltage power distribution box cannot be monitored in real time and flame cannot be processed in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a low-voltage power distribution box comprises a box body and an operating state monitoring system, wherein an element cavity is arranged in the box body, a heat-conducting plate is installed at the rear end of the inner part of the element cavity and fixedly connected with the box body, a supporting plate is fixedly arranged at the bottom of the element cavity, a first circuit breaker, a main switch outgoing line, a main bus, a branch bus and a second circuit breaker are sequentially arranged in the element cavity from top to bottom, a current sensor and a first temperature sensor are respectively installed on two sides of the first circuit breaker, a single chip microcomputer is installed on one side of the lower end of the inner part of the element cavity, an air outlet is formed in the middle position of the bottom of the box body, a first fan is installed in the air outlet and fixed with the box body through screws, second fans are installed on two sides of the box body, a liquid collecting disc is arranged at the upper end of the inner part of the box, it has realized carrying out real-time supervision and carrying out reaction treatment to flame rapidly to low pressure power type block terminal.
In a further embodiment, the operation state monitoring system comprises a sensor module, a signal processing module, a transmission module, an alarm module and a user terminal, wherein:
a sensor module: the circuit breaker comprises a current sensor and a first temperature sensor, wherein the detection ends of the current sensor and the first temperature sensor extend into the first circuit breaker, and the output ends of the current sensor and the first temperature sensor are electrically connected with a single chip microcomputer;
the model of the current sensor is 9900, the voltage, the current, the frequency, the power and the like input by a mains supply can be monitored, the numerical values of all monitoring parameters of the main incoming line of the first circuit breaker are displayed and stored in real time, the upper limit value and the lower limit value of the voltage and the current are set, and the first temperature sensor mainly considers three physical quantities, namely real-time temperature, temperature difference and temperature change rate of an element during state monitoring;
the signal processing module: the single chip microcomputer is STM32, can convert the physical quantity signal into an electric signal, and process and send the converted data information to the transmission module or the alarm module;
a transmission module: data are wirelessly transmitted to a user terminal in real time through an NB-IOT wireless mobile network;
an alarm module: the intelligent temperature monitoring device consists of a flashing lamp and a buzzer, and when the monitored temperature, voltage or current exceed a set allowable value, the flashing lamp and the buzzer are started through a single chip microcomputer, so that the attention of technicians is quickly attracted.
By the mode, technicians can master the running states of the elements and the electric appliances in real time and timely react before the elements and the electric appliances are in failure, so that the maintenance and replacement cost is reduced
In a further embodiment, a flame sensor is fixedly mounted on one side of the upper end of the element cavity, the flame sensor is electrically connected with the single chip microcomputer, a fire extinguishing cavity is arranged at the upper end of the box body, a storage tank is mounted on one side of the interior of the fire extinguishing cavity, the storage tank and the box body are fixed through bolts, a suction pump is fixedly mounted at the front end of the storage tank, one end of the suction pump is hermetically fixed with the storage tank through a pipeline, a rotating shaft is fixedly arranged at the middle position of the upper end of the liquid collecting disc and communicated with a spray head through a liquid collecting disc, a conveying pipe is arranged between the suction pump and the rotating shaft, one end of the conveying pipe is hermetically fixed with the suction pump, the other end of the conveying pipe is rotatably connected with the rotating shaft through a bearing, an electromagnetic valve and a pressure stabilizing valve are respectively mounted on the, meanwhile, the incombustible and combustion-supporting components in the air are added, so that the oxygen content in the air is reduced, the flame is naturally extinguished, the safety is high, and the fire extinguishing effect is good.
In a further embodiment, the inside opposite side fixed mounting of chamber of putting out a fire has driving motor, driving motor's the fixed action wheel that is provided with of output shaft, the axis of rotation is located the one end welded fastening of the inside of chamber of putting out a fire and is had from the driving wheel, the action wheel with be provided with the belt from the driving wheel, and the belt with the action wheel with from the driving wheel transmission be connected, the axis of rotation passes through the bearing with the box and rotates to be connected, under driving motor's drive, makes the catch tray drive shower nozzle rotatory, in the rotatory process, has improved the cover face of carbon dioxide to improve the heat absorption effect.
In a further embodiment, one side fixed mounting of component chamber upper end has second temperature sensor, and second temperature sensor and singlechip electric connection, the externally mounted of second fan has the dust cover, and the dust cover passes through the screw fixation with the box, the inside fixed mounting of dust cover has the dust screen, and the dust screen installs two, and the first fan of box lower extreme and the second fan of both sides can realize the air cycle to the box inside, can take away the heat of component intracavity portion among the cycle process, realize the one-level heat dissipation.
In a further embodiment, the upper end of the supporting plate is provided with a plurality of through holes in a rectangular array, one side of the supporting plate forms a support for an object at the upper end, and the through holes inside the supporting plate facilitate air circulation.
In further embodiment, the fixed case that is provided with in rear end of box, the internally mounted of fixed case has the water tank, and water tank and fixed case fixed connection, the upper end fixed mounting of water tank has the circulating pump, and the one end and the water tank of circulating pump are sealed fixed, the rear end of heat-conducting plate is provided with the coiled pipe, and the coiled pipe laminates mutually with the heat-conducting plate, the one end and the water tank of coiled pipe are sealed fixed, and the other end of coiled pipe and the other end of circulating pump are sealed fixed, cooperate with two fans, realize the second grade heat dissipation, through this kind of mode, can ensure holistic radiating efficiency on the one hand, the heat dissipation of on the other hand hierarchical formula can reduce electric power burden.
In a further embodiment, the other side fixed mounting of component chamber upper end has humidity transducer, and humidity transducer and singlechip electric connection, the one side fixed mounting that the second fan is located the box inside has dehumidification mechanism, dehumidification mechanism's internally mounted has the heating ring, and dehumidification mechanism can dehumidify component intracavity portion under the cooperation of fan to avoid inner member and electrical apparatus to wet.
Has the advantages that: 1. the invention is provided with an element running state monitoring system, which consists of a sensor module, a signal processing module, a transmission module and an alarm module, wherein the sensor module mainly consists of a first temperature sensor and a current sensor, the first temperature sensor can detect the temperature of elements and electric appliances, the current sensor can monitor the voltage, the current, the frequency, the power and the like input by mains supply, display and store the numerical value of each monitoring parameter of the main incoming line of each distribution box in real time, display and store the working state of each monitored switch in real time, the first temperature sensor and the current sensor convert the physical signal of the detection element or the electric appliances into an electric signal through a conversion module in the signal processing module, and finally transmit the obtained information data to a user terminal in real time and wirelessly through an NB-IOT wireless mobile network in the transmission module, technicians can check the running states of the elements and the electric appliances through mobile phones or personal computers, so that when the elements or the electric appliances have faults in advance, the abnormality of the numerical value is displayed according to the data, so that adjustment can be made in time to avoid severity improvement, and simultaneously, before a technician installs the first temperature sensor, the upper and lower limit values of the temperature are set, the upper and lower limit values of the voltage and current of the current sensor are set, when the monitored temperature, voltage or current exceed the set allowable value, the flashing light and the buzzer are started through the singlechip, thereby quickly attracting the attention of the technical personnel and informing the technical personnel to go to the maintenance quickly, and by the way, the technical personnel can master the running states of the elements and the electrical appliances in real time, and the reaction is carried out in time before the elements and the electric appliance are in failure, so that the maintenance and replacement cost is reduced.
2. The invention uses a special infrared receiving tube to detect flame by arranging a fire extinguishing cavity at the upper end in the box body, when local flame appears in the box body due to special conditions, a flame sensor utilizes the characteristic that infrared rays are very sensitive to the flame, then converts the brightness of the flame into level signals with variable heights, inputs the level signals into a singlechip, the singlechip turns on an electromagnetic valve and a suction pump according to the signals, liquid is immediately conveyed to a liquid collecting tray under the pressurization of the suction pump through a conveying tube as soon as the electromagnetic valve is turned on due to the balanced vapor pressure of carbon dioxide, the nozzles are inclined outwards at a certain angle and are immediately conveyed to an element cavity through the conveying tube, a driving motor is started at the same time, a driving wheel at one end of an output shaft of the driving motor drives a driven wheel to rotate under the transmission action of a belt, and follow driving wheel and axis of rotation welded connection, and the axis of rotation passes through the bearing with the box and rotates and be connected, consequently under driving motor's drive, make the drip pan drive the shower nozzle and rotate, rotatory in-process, the cover surface of carbon dioxide has been improved, thereby improve the heat absorption effect, through this kind of mode, can cool off inside fast when taking place local flame, increase simultaneously in the air not burn, the combustion-supporting composition of nothing, make the oxygen content in the air reduce, make flame extinguish naturally, the security is high, the fire extinguishing effect is good.
3. The invention can detect the internal temperature of the element cavity by arranging the graded heat dissipation mechanism in the box body and by arranging the second temperature sensor in the box body, a technician sets two interval ranges according to the temperature value, when the temperature reaches the first value range, the first fan at the lower end of the box body and the second fans at two sides are started, the air circulation in the box body can be realized, the heat in the element cavity can be taken away in the circulation process, the first-stage heat dissipation is realized, when the temperature reaches the second value range, the circulating pump is started, the circulating pump conveys the water in the water tank to the coiled pipe through the water pipe, the coiled pipe is arranged at the rear end of the heat conduction plate, when the cooling liquid in the coiled pipe passes through, the heat exchange can be formed on the heat conduction plate, so that the heat generated by the element is taken away through the cooling liquid, the two fans are matched, the second-, on one hand, the whole heat dissipation efficiency can be ensured, and on the other hand, the hierarchical heat dissipation can reduce the electric load.
Drawings
FIG. 1 is a perspective view of a low voltage power type electric box of the present invention;
FIG. 2 is a schematic view of the overall internal structure of the present invention;
FIG. 3 is a side view of the internal structure of the present invention;
FIG. 4 is a partial enlarged view of area A of the present invention;
FIG. 5 is a partial enlarged view of the area B of the present invention;
fig. 6 is a schematic diagram of an internal component operating condition monitoring system of the present invention.
The reference signs are: a box body 1; an element chamber 2; a heat-conducting plate 3; a first circuit breaker 4; a second circuit breaker 5; a current sensor 6; a first temperature sensor 7; a singlechip 8; a support plate 9; a through hole 10; an air outlet 11; a first fan 12; a second fan 13; a fire extinguishing chamber 14; a storage tank 15; a suction pump 16; a delivery pipe 17; a drip pan 18; a spray head 19; a flame sensor 20; a second temperature sensor 21; a humidity sensor 22; a stationary box 23; a water tank 24; a circulation pump 25; a serpentine tube 26; a dust cover 27; a dust screen 28; a dehumidifying mechanism 29; a heating ring 30; a drive motor 31; a drive wheel 32; a rotating shaft 33; a driven pulley 34; a belt 35; a solenoid valve 36; a pressure maintaining valve 37; a main bus bar 38; a main switch outlet 39; and a branch busbar 40.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
Referring to fig. 1-6, an embodiment of the present invention is shown: a low-voltage power distribution box comprises a box body 1 and an operating state monitoring system, wherein an element cavity 2 is arranged inside the box body 1, a heat conducting plate 3 is installed at the rear end inside the element cavity 2, the heat conducting plate 3 is fixedly connected with the box body 1, a supporting plate 9 is fixedly arranged at the bottom of the element cavity 2, a first circuit breaker 4, a main switch outgoing line 39, a main busbar 38, a branch busbar 40 and a second circuit breaker 5 are sequentially arranged in the element cavity 2 from top to bottom, a current sensor 6 and a first temperature sensor 7 are respectively installed on two sides of the first circuit breaker 4, a single chip microcomputer 8 is installed on one side of the lower end inside the element cavity 1, an air outlet 11 is arranged at the middle position of the bottom of the box body 1, a first fan 12 is installed inside the air outlet 11, the first fan 12 is fixed with the box body 1 through screws, second fans 13 are installed on two sides of the box body 1, the lower end of the drip pan 18 starts with a plurality of spray nozzles 19 in an annular array, which realizes real-time monitoring of the low-voltage power distribution box and rapid reaction treatment of flame.
Further, the running state monitoring system comprises a sensor module, a signal processing module, a transmission module, an alarm module and a user terminal, wherein:
a sensor module: the circuit breaker is characterized by comprising a current sensor 6 and a first temperature sensor 7, wherein the detection ends of the current sensor 6 and the first temperature sensor 7 extend into the first circuit breaker 4, and the output ends of the current sensor 6 and the first temperature sensor 7 are electrically connected with a singlechip 8;
the model of the current sensor 6 is 9900, the voltage, the current, the frequency, the power and the like input by a mains supply can be monitored, the numerical values of all monitoring parameters of the main incoming line of the first circuit breaker 4 are displayed and stored in real time, the upper limit value and the lower limit value of the voltage and the current are set, and three physical quantities, namely the real-time temperature, the temperature difference and the temperature change rate of an element are mainly considered when the state of the first temperature sensor 7 is monitored;
the signal processing module: the single chip microcomputer 8 is an STM32 type, can convert physical quantity signals into electric signals, processes the converted data information and sends the processed data information to the transmission module or the alarm module;
a transmission module: data are wirelessly transmitted to a user terminal in real time through an NB-IOT wireless mobile network;
an alarm module: the intelligent temperature monitoring device consists of a flashing lamp and a buzzer, and when the monitored temperature, voltage or current exceed a set allowable value, the flashing lamp and the buzzer are started through the singlechip 8, so that the attention of technicians is quickly attracted.
Further, a flame sensor 20 is fixedly installed on one side of the upper end of the element cavity 2, the flame sensor 20 is electrically connected with the single chip microcomputer 8, a fire extinguishing cavity 14 is arranged at the upper end of the box body 1, a storage tank 15 is installed on one side inside the fire extinguishing cavity 14, the storage tank 15 is fixed with the box body 1 through bolts, an absorption pump 16 is fixedly installed at the front end of the storage tank 15, one end of the absorption pump 16 is hermetically fixed with the storage tank 15 through a pipeline, a rotating shaft 33 is fixedly arranged at the middle position of the upper end of a liquid collecting disc 18, the rotating shaft 33 is communicated with a spray head 19 through the liquid collecting disc 18, a conveying pipe 17 is arranged between the absorption pump 16 and the rotating shaft 33, one end of the conveying pipe 17 is hermetically fixed with the absorption pump 16, the other end of the conveying pipe 17 is rotatably connected with the rotating shaft 33 through a bearing, an electromagnetic, the method comprises the steps that a special infrared receiving tube is used for detecting flame, then the brightness of the flame is converted into a level signal with variable height and is input into a single chip microcomputer 8, the single chip microcomputer 8 opens an electromagnetic valve 36 and an absorption pump 16 according to the signal, once the electromagnetic valve 36 is opened, liquid is immediately conveyed to a liquid collecting disc 18 through a conveying tube 17 under the pressurization of the absorption pump 16, a plurality of annularly distributed spray heads 19 are arranged at the bottom of the liquid collecting disc 18, the spray heads 19 incline outwards at a certain angle, and then rapidly vaporized carbon dioxide is sprayed towards an element cavity 2 through the spray heads 19.
Further, a driving motor 31 is fixedly installed on the other side inside the fire extinguishing chamber 14, a driving wheel 32 is fixedly arranged on an output shaft of the driving motor 31, a driven wheel 34 is fixedly welded on one end, located inside the fire extinguishing chamber 14, of the rotating shaft 33, a belt 35 is arranged between the driving wheel 32 and the driven wheel 34, the belt 35 is in transmission connection with the driving wheel 32 and the driven wheel 34, the rotating shaft 33 is in rotation connection with the box body 1 through a bearing, the driving wheel 32 on one end, located at the output shaft of the driving motor 31, of the driving wheel drives the driven wheel 34 to rotate under the transmission effect of the belt 35, the driven wheel 34 is in welding connection with the rotating shaft 33, and the rotating shaft 33 is in rotation connection with the box body 1 through a bearing.
Further, one side fixed mounting of component chamber 2 upper end has second temperature sensor 21, and second temperature sensor 21 and singlechip 8 electric connection, the externally mounted of second fan 13 has dust cover 27, and dust cover 27 passes through the screw fixation with box 1, the inside fixed mounting of dust cover 27 has dust screen 28, and dust screen 28 installs two, when reaching first numerical range, start first fan 12 of box 1 lower extreme and the second fan 13 of both sides, can realize the air cycle to box 1 inside, can take away the heat of component chamber 2 inside among the cycle process, realize the one-level heat dissipation.
Further, the upper end of the supporting plate 9 is provided with a plurality of through holes 10 in a rectangular array, one side of the supporting plate 9 forms a support for an object at the upper end, and the through holes 10 inside are convenient for air circulation.
Further, a fixed box 23 is fixedly arranged at the rear end of the box body 1, a water tank 24 is arranged in the fixed box 23, and the water tank 24 is fixedly connected with the fixed tank 23, the upper end of the water tank 24 is fixedly provided with a circulating pump 25, one end of the circulating pump 25 is fixed with the water tank 24 in a sealing way, the back end of the heat conducting plate 3 is provided with a coiled pipe 26, the coiled pipe 26 is jointed with the heat conducting plate 3, one end of the coiled pipe 26 is sealed and fixed with the water tank 24, and the other end of the serpentine tube 26 is hermetically fixed with the other end of the circulation pump 25, and when reaching the second numerical range, the circulation pump 25 is started, the circulation pump 25 delivers the water inside the water tank 24 to the coil 26 through the water pipe, the coil 26 is installed at the rear end of the heat conductive plate 3 and the first circuit breaker 4, when the cooling liquid passes through the coil 26, heat exchange is performed between the heat conduction plate 3 and the first circuit breaker 4, and heat generated by the components and the electric appliance is taken away by the cooling liquid.
Further, another side fixed mounting of component chamber 2 upper end has humidity transducer 22, and humidity transducer 22 and singlechip 8 electric connection, and second fan 13 is located the inside one side fixed mounting of box 1 and has dehumidification mechanism 29, and the internally mounted of dehumidification mechanism 29 has heating ring 30, and dehumidification mechanism 29 can dehumidify component chamber 2 inside under the cooperation of fan to avoid inner member and electrical apparatus to wet.
The working principle is as follows: when the device is used, the first temperature sensor 7 and the current sensor 6 convert physical signals of a detection element or an electric appliance into electric signals through a conversion module in a signal processing module, finally, obtained information data are wirelessly transmitted to a user terminal in real time through an NB-IOT wireless mobile network in a transmission module, technicians can check the running states of the element and the electric appliance through a mobile phone or a personal computer, and accordingly, when the element or the electric appliance fails in advance, the abnormality of numerical values is displayed according to the data, adjustment is timely made, the severity is prevented from being improved, when the monitored temperature, voltage or current exceed a set allowable value, a flashing lamp and a buzzer are started through the singlechip 8, so that the attention of technicians is quickly attracted, the technician is informed to quickly go to overhaul, when local flames occur in a box body due to special conditions, the flame sensor 20 utilizes the characteristic that infrared flames are very sensitive, the flame is detected by using a special infrared receiving tube, then the brightness of the flame is converted into a level signal with the change of the height, the level signal is input into the singlechip 8, the singlechip 8 opens the electromagnetic valve 36 and the suction pump 16 according to the signal, as soon as the electromagnetic valve 36 is opened, the liquid is immediately conveyed to the liquid collecting tray 18 by the conveying tube 17 under the pressurization of the suction pump 16, the bottom of the liquid collecting tray 18 is provided with a plurality of annularly distributed spray heads 19, the spray heads 19 are inclined outwards at a certain angle, then the rapidly vaporized carbon dioxide is sprayed towards the element cavity 2 through the spray heads 19, simultaneously the driving motor 31 is started, the driving wheel 32 at one end of the output shaft of the driving motor 31 drives the driven wheel 34 to rotate under the transmission action of a belt 35, the driven wheel 34 is welded with the rotating shaft 33, and the rotating shaft 33 is rotatably connected with the box body 1 through a bearing, the liquid collecting disc 18 drives the spray nozzle 19 to rotate, the coverage of carbon dioxide is improved in the rotating process, so that the heat absorption effect is improved, in addition, the internal temperature of the element cavity 2 can be detected through the second temperature sensor 21 which is arranged inside, a technician sets two interval ranges according to the temperature value, when the temperature reaches the first value range, the first fan 12 at the lower end of the box body 1 and the second fans 13 at two sides are started, so that the air circulation inside the box body 1 can be realized, the heat inside the element cavity 2 can be taken away in the circulation process, the first-stage heat dissipation is realized, when the temperature reaches the second value range, the circulating pump 25 is started, the circulating pump 25 conveys the water inside the water tank 24 to the coiled pipe 26 through the water pipe, when the cooling liquid inside the coiled pipe 26 passes through, the heat exchange can be formed on the heat conducting plate 3, so that the heat generated by the element and the electric appliance, cooperate with two fans, realize the second grade heat dissipation, through this kind of mode, can ensure holistic radiating efficiency on the one hand, the heat dissipation of on the other hand classification formula can reduce electric power burden.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a low pressure power type block terminal, includes box (1) and running state monitoring system, its characterized in that: the device comprises a box body (1), a component cavity (2) is arranged in the box body (1), a heat conducting plate (3) is installed at the rear end of the interior of the component cavity (2), the heat conducting plate (3) is fixedly connected with the box body (1), a supporting plate (9) is fixedly arranged at the bottom of the component cavity (2), a first circuit breaker (4), a main switch outlet line (39), a main busbar (38), a branch busbar (40) and a second circuit breaker (5) are sequentially arranged in the component cavity (2) from top to bottom, a current sensor (6) and a first temperature sensor (7) are respectively installed on two sides of the first circuit breaker (4), a single chip microcomputer (8) is installed on one side of the inner lower end of the component cavity (1), an air outlet (11) is arranged at the middle position of the bottom of the box body (1), a first fan (12) is installed inside the air outlet (11), and the first fan (12) is fixed, the novel liquid level meter is characterized in that second fans (13) are installed on two sides of the box body (1), a liquid collecting disc (18) is arranged at the upper end of the interior of the box body (1), and a plurality of spray heads (19) are arranged at the beginning of the lower end of the liquid collecting disc (18) in an annular array mode.
2. A low voltage power type electric distribution box according to claim 1, characterized in that: the running state monitoring system comprises a sensor module, a signal processing module, a transmission module, an alarm module and a user terminal, wherein:
a sensor module: the circuit breaker is characterized by comprising a current sensor (6) and a first temperature sensor (7), wherein the detection ends of the current sensor (6) and the first temperature sensor (7) extend into the first circuit breaker (4), and the output ends of the current sensor (6) and the first temperature sensor (7) are electrically connected with a single chip microcomputer (8);
the model of the current sensor (6) is 9900, the voltage, the current, the frequency, the power and the like input by a mains supply can be monitored, the numerical values of monitoring parameters of a main incoming line of the first circuit breaker (4) are displayed and stored in real time, the upper limit value and the lower limit value of the voltage and the current are set, and the first temperature sensor (7) mainly considers three physical quantities, namely real-time temperature, temperature difference and temperature change rate of an element during state monitoring;
the signal processing module: the single chip microcomputer (8) is an STM32 type, can convert physical quantity signals into electric signals, processes the converted data information and sends the processed data information to the transmission module or the alarm module;
a transmission module: data are wirelessly transmitted to a user terminal in real time through an NB-IOT wireless mobile network;
an alarm module: the intelligent temperature monitoring device consists of a flashing lamp and a buzzer, and when the monitored temperature, voltage or current exceed a set allowable value, the flashing lamp and the buzzer are started through a single chip microcomputer (8), so that the attention of technicians is quickly attracted.
3. A low voltage power type electric distribution box according to claim 1, characterized in that: the device is characterized in that a flame sensor (20) is fixedly mounted on one side of the upper end of the element cavity (2), the flame sensor (20) is electrically connected with the single chip microcomputer (8), a fire extinguishing cavity (14) is arranged at the upper end of the box body (1), a storage tank (15) is mounted on one side of the interior of the fire extinguishing cavity (14), the storage tank (15) is fixed with the box body (1) through bolts, a suction pump (16) is fixedly mounted at the front end of the storage tank (15), one end of the suction pump (16) is fixed with the storage tank (15) through a pipeline in a sealed manner, a rotating shaft (33) is fixedly arranged at the middle position of the upper end of the liquid collecting disc (18), the rotating shaft (33) is communicated with a spray head (19) through the liquid collecting disc (18), a conveying pipe (17) is arranged between the suction pump (16) and the rotating shaft (33), one end of the conveying pipe (17) is fixed with the suction pump (, and an electromagnetic valve (36) and a pressure stabilizing valve (37) are respectively arranged outside the conveying pipe (17).
4. A low voltage power type electric box according to claim 3, wherein: the inside opposite side fixed mounting in chamber of putting out a fire (14) has driving motor (31), the fixed action wheel (32) that is provided with of output shaft of driving motor (31), axis of rotation (33) are located the inside one end welded fastening in chamber of putting out a fire (14) and are followed driving wheel (34), action wheel (32) are provided with belt (35) with follow driving wheel (34), and belt (35) are connected with action wheel (32) and follow driving wheel (34) transmission, axis of rotation (33) are passed through the bearing rotation with box (1) and are connected.
5. A low voltage power type electric distribution box according to claim 1, characterized in that: one side fixed mounting of component chamber (2) upper end has second temperature sensor (21), and second temperature sensor (21) and singlechip (8) electric connection, the externally mounted of second fan (13) has dust cover (27), and dust cover (27) pass through the screw fixation with box (1), the inside fixed mounting of dust cover (27) has dust screen (28), and two are installed in dust screen (28).
6. A low voltage power type electric distribution box according to claim 1, characterized in that: the upper end of the supporting plate (9) is provided with a plurality of through holes (10) in a rectangular array.
7. A low voltage power type electric distribution box according to claim 1, characterized in that: the rear end of box (1) is fixed and is provided with fixed case (23), the internally mounted of fixed case (23) has water tank (24), and water tank (24) and fixed case (23) fixed connection, the upper end fixed mounting of water tank (24) has circulating pump (25), and the one end of circulating pump (25) is sealed fixed with water tank (24), the rear end of heat-conducting plate (3) is provided with coiled pipe (26), and coiled pipe (26) and heat-conducting plate (3) laminate mutually, the one end and the water tank (24) of coiled pipe (26) are sealed fixed, and the other end of coiled pipe (26) and the other end of circulating pump (25) are sealed fixed.
8. A low voltage power type of distribution box according to claim 5, characterized in that: the other side fixed mounting of component chamber (2) upper end has humidity transducer (22), and humidity transducer (22) and singlechip (8) electric connection, second fan (13) are located inside one side fixed mounting of box (1) and have dehumidification mechanism (29), the internally mounted of dehumidification mechanism (29) has heating ring (30).
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| CN202011030545.9A CN112290427A (en) | 2020-09-27 | 2020-09-27 | Low-voltage power type distribution box |
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| CN202011030545.9A CN112290427A (en) | 2020-09-27 | 2020-09-27 | Low-voltage power type distribution box |
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| CN202011030545.9A Pending CN112290427A (en) | 2020-09-27 | 2020-09-27 | Low-voltage power type distribution box |
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| CN113507170A (en) * | 2021-08-06 | 2021-10-15 | 国网宁夏电力有限公司 | Power distribution network monitoring equipment and patrol management method |
| CN114374148A (en) * | 2022-01-13 | 2022-04-19 | 广东电网有限责任公司 | Power distribution cabinet |
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Application publication date: 20210129 |