CN116526319A - Intelligent switch cabinet based on remote monitoring of Internet of things - Google Patents
Intelligent switch cabinet based on remote monitoring of Internet of things Download PDFInfo
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- CN116526319A CN116526319A CN202310489483.5A CN202310489483A CN116526319A CN 116526319 A CN116526319 A CN 116526319A CN 202310489483 A CN202310489483 A CN 202310489483A CN 116526319 A CN116526319 A CN 116526319A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 109
- 238000009423 ventilation Methods 0.000 claims abstract description 63
- 230000009545 invasion Effects 0.000 claims abstract description 6
- 230000005855 radiation Effects 0.000 claims description 25
- 230000003313 weakening effect Effects 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 13
- 230000017525 heat dissipation Effects 0.000 claims description 11
- 230000000875 corresponding effect Effects 0.000 claims description 3
- 206010033799 Paralysis Diseases 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- H02B1/26—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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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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
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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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to the field of intelligent switch cabinets, which is used for solving the problems that the switch cabinet cannot detect the internal environment and the vent is fixedly arranged and lacks the adaptability to the environment, in particular to an intelligent switch cabinet based on remote monitoring of the Internet of things; the invention realizes the opening or closing of the vent holes by the way that the airtight grid plates slide in a staggered manner on ventilation, closes the vent holes of the switch cabinet when rainfall exists outside, improves the waterproof capability of the switch cabinet, reduces the heat generating capability of the switch cabinet by closing part of the common circuit in order to prevent the switch cabinet from being damaged due to high temperature after the temperature detection is carried out on the switch cabinet, prevents the paralysis of a large-scale circuit caused by the high temperature damage of the switch cabinet, and intelligently identifies whether the external environment can meet the requirement of opening the vent holes for ventilation or not by detecting the environment information, intelligently closes the vent holes, prevents the invasion of rainwater in the switch cabinet and avoids the occurrence of short circuit phenomenon caused by the humidity inside the switch cabinet.
Description
Technical Field
The invention relates to the field of intelligent switch cabinets, in particular to an intelligent switch cabinet based on remote monitoring of the Internet of things.
Background
The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a sub-control switch, and all branches are arranged according to the requirements of the switch cabinet;
at present, most of switch cabinets in the prior art are insufficient in intelligent degree in the use process, a method capable of detecting the temperature lack in the switch cabinet cannot provide a good operation environment for components in the switch cabinet in the use process of the switch cabinet, accelerated aging of the components in the switch cabinet is easily caused, and in addition, most of heat dissipation components of the switch cabinet are fixedly arranged, so that the switch cabinet is easily damaged due to water inflow in the switch cabinet or too high humidity in the switch cabinet due to weather reasons in the use process of the switch cabinet, even circuit paralysis is caused, and the use of the switch cabinet in various scenes is not facilitated;
aiming at the technical problems, the application provides a solution.
Disclosure of Invention
According to the invention, the airtight grid plate with holes is arranged in the switch cabinet, the vent holes of the switch cabinet are opened or closed in a staggered sliding mode on ventilation through the airtight grid plate, the vent holes of the switch cabinet are closed when rainfall exists outside, the waterproof capability of the switch cabinet is improved, the applicability of the switch cabinet in various environments is improved, after the temperature of the switch cabinet is detected, when the switch cabinet does not meet the environmental requirement of opening the vent holes for radiating heat, and the temperature in the switch cabinet is too high, or when the switch cabinet is opened but the temperature in the switch cabinet is still too high, in order to prevent the switch cabinet from being damaged due to high temperature, the heat generating capability of the switch cabinet is reduced in a mode of closing part of a common circuit, so that the large-scale circuit paralysis of the switch cabinet caused by the high temperature damage is prevented, whether the external environment can meet the requirement of opening the vent holes or not is intelligently identified through detecting the rainfall, the wind speed and the temperature of the environment information, the switch cabinet is prevented from being invaded by the rainwater, and the short circuit phenomenon caused by the humidity inside the switch cabinet is avoided, and the technical defects in the background technology are solved.
The aim of the invention can be achieved by the following technical scheme:
the intelligent switch cabinet based on the remote monitoring of the Internet of things comprises a ventilation cabinet body, wherein the front surface of the ventilation cabinet body is rotationally connected with a sealing cabinet door, one side, far away from a hinge of the sealing cabinet door, of the ventilation cabinet body is fixedly provided with an intelligent rebound lock, the front end of the intelligent rebound lock is connected with the sealing cabinet door in a clamping manner, two sides of the ventilation cabinet body are provided with ventilation holes, the inside of the ventilation cabinet body is fixedly provided with a control cylinder, the output end of the control cylinder is fixedly connected with a closed grid plate, the closed grid plate is in sliding connection with the inner wall of the ventilation cabinet body, and holes are formed in the closed grid plate;
the inside of the ventilation cabinet body is provided with a remote monitoring system, the remote monitoring system comprises an external acquisition unit, an internal environment acquisition unit, an intervention control unit, a cabinet body monitoring unit, a control cluster unit and an operation control unit, the external acquisition unit is used for acquiring external environment information outside the ventilation cabinet, wherein the external environment information comprises environment temperature, wind speed, wind direction and rainfall, and the external acquisition unit sends the external environment information to the cabinet body monitoring unit;
the internal environment acquisition unit is used for acquiring internal environment information inside the switch cabinet, wherein the internal environment information comprises internal temperature, and the internal environment acquisition unit sends the internal environment information to the cabinet monitoring unit;
the cabinet monitoring unit is used for analyzing external environment information and internal environment information, generating a control signal of the switch cabinet, and sending the control signal to the control cluster unit, wherein the control cluster unit controls the switch cabinet to perform corresponding actions according to the control signal after acquiring the control signal;
the intervention control unit can generate a manual intervention signal and send the manual intervention signal to the cabinet monitoring unit, the cabinet monitoring unit analyzes the manual intervention signal and external environment information, sends the manual intervention signal to the control cluster unit or generates an intervention interception signal, and sends the intervention interception signal to the control cluster unit;
the operation control unit obtains the internal environment information and the control signal through the cabinet monitoring unit, analyzes the internal environment information and the control signal, generates an operation weakening signal and sends the operation control signal to the control cluster unit.
As a preferred embodiment of the present invention, the cabinet monitoring unit acquires the rainfall and the wind direction in the external environment information, records the rainfall as H, records the vertical direction between the ventilation holes at both sides of the switch cabinet as the vertical direction, records the included angle between the wind direction and the vertical direction as the intrusion angle F, records the wind speed in the external environment information as V, calculates the rainfall intrusion characteristic value M through a formula,comparing the rainfall intrusion characteristic value M with a preset rainfall intrusion characteristic threshold value M0, generating a grid plate opening permission signal if the rainfall intrusion characteristic value M is smaller than the preset rainfall intrusion characteristic threshold value M0, and generating a grid plate opening prohibition signal if the rainfall intrusion characteristic value M is larger than or equal to the preset rainfall intrusion characteristic threshold value M0, wherein the cabinet monitoring unit sends the grid plate opening permission signal and the grid plate opening prohibition signal to the control cluster unit;
after receiving the grid plate opening prohibition signal, the control cluster unit confirms the current position of the vent hole, if the vent hole is in the current opening state, the grid plate closing signal is generated and executed, the vent hole is converted into the closing state, after the grid plate closing signal is executed, the position of the vent hole is confirmed again, if the vent hole is converted into the closing state, no reaction is made, if the vent hole is still in the opening state, a closing failure signal is fed back to the cabinet monitoring unit, and if the vent hole is in the current closing state, no reaction is made.
As a preferred embodiment of the present invention, the cabinet monitoring unit compares the internal temperature with a preset operation temperature, if the internal temperature is higher than the preset operation temperature, a high temperature signal in the cabinet is generated, the cabinet monitoring unit generates a grid plate opening signal after generating the high temperature signal, and sends the grid plate opening signal to the control cluster unit, the control cluster unit acquires the position of the current vent hole if the grid plate opening signal is received at the same time, executes the grid plate opening signal if the vent hole is in a closed state, returns the grid plate opening signal to the cabinet monitoring unit if the vent hole is currently in an open position, and the control cluster unit reconfirms the vent hole position after executing the grid plate opening signal, if the vent hole has been converted into an open state, feeds back an execution completion signal to the cabinet monitoring unit, and feeds back an execution failure signal to the cabinet monitoring unit if the vent hole is still in a closed state;
after receiving the grid plate opening signal, if the grid plate opening prohibiting signal is received at the same time, the cabinet body monitoring unit does not operate the vent holes, simultaneously generates a rainfall signal and feeds the rainfall signal back to the cabinet body monitoring unit.
As a preferred embodiment of the present invention, after the cabinet monitoring unit obtains the external environment information and the internal environment information, calculates a temperature difference between an ambient temperature in the external environment information and an internal temperature in the internal environment information, records the temperature difference as t, records an internal humidity of the cabinet monitoring unit as R, calculates a heat dissipation characteristic value G through a formula,comparing the heat dissipation characteristic value G with a preset heat dissipation characteristic threshold value G0, and if the heat dissipation characteristic value G is greater than or equal to the preset heat dissipationGenerating a sufficient heat radiation signal if the characteristic threshold G0 is smaller than a preset heat radiation characteristic threshold G0, generating an insufficient heat radiation signal, and transmitting the sufficient heat radiation signal or the insufficient heat radiation signal to the operation control unit;
the operation control unit acquires a louver-opening enable signal or a louver-opening disable signal from the control cluster unit.
As a preferred embodiment of the present invention, the manual intervention signal generated by the intervention control unit includes a manual ventilation signal and a manual closing signal, after the intervention control unit sends the manual ventilation signal to the cabinet monitoring unit, if the cabinet monitoring unit generates an allowable grid plate opening signal, the cabinet monitoring unit sends the manual ventilation signal to the control cluster unit, the control cluster unit controls the ventilation hole to be opened, and if the cabinet monitoring unit generates an allowable grid plate opening signal, the cabinet monitoring unit returns an allowable ventilation signal to the intervention control unit;
after the intervention control unit sends the manual closing signal to the cabinet body monitoring unit, if the cabinet body monitoring unit generates the high-temperature signal in the cabinet, the cabinet body monitoring unit feeds back the closing prohibition signal to the cabinet body control unit, and if the cabinet body monitoring unit generates the high-temperature signal in the cabinet, the manual closing signal is sent to the control cluster unit, and the control cluster unit controls the ventilation holes to be closed.
As a preferred embodiment of the present invention, the operation control unit generates an operation weakening signal when the operation control unit acquires the heat dissipation shortage signal, and generates an operation weakening signal when the operation control unit acquires the high temperature signal in the cabinet and the grid plate opening prohibition signal at the same time, the operation control unit divides the elements in the switch cabinet into a normal circuit and an important circuit, and when the operation control unit generates the operation weakening signal, the operation control unit controls the normal circuit to stop operation and controls the important circuit to continue operation.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the airtight grid plate with the holes is arranged in the switch cabinet, and the vent holes are opened or closed in a staggered sliding mode on ventilation through the airtight grid plate, so that when the switch cabinet needs ventilation, the vent holes are opened to improve ventilation and heat dissipation capabilities of the switch cabinet, and when rainfall exists outside, the vent holes of the switch cabinet are closed, thereby improving the waterproof capability of the switch cabinet, improving the applicability of the switch cabinet in various environments, and simultaneously ensuring that the service life of electronic elements of the switch cabinet cannot be reduced due to the influence of high-temperature environments.
2. According to the invention, after the temperature detection is carried out on the switch cabinet, when the switch cabinet does not meet the environmental requirement of opening the vent hole to dissipate heat and the temperature in the switch cabinet is too high, or the switch cabinet is opened with the vent hole but the temperature in the switch cabinet is still too high, in order to prevent the switch cabinet from being damaged due to high temperature, the heat generating capacity of the switch cabinet is reduced by closing part of the common circuit, so that the large-scale circuit paralysis of the switch cabinet caused by high temperature damage is prevented, and the accidental loss caused by high temperature is reduced.
3. According to the invention, through detecting the rainfall, the wind speed and the temperature of the environmental information, whether the external environment can meet the ventilation requirement of opening the ventilation holes or not is intelligently identified, so that the ventilation holes are intelligently closed, the switch cabinet is prevented from being invaded by rainwater, and the short circuit phenomenon caused by the humidity in the switch cabinet is avoided.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic diagram of the front view of the structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of a containment grid of the present invention;
fig. 4 is a system block diagram of the present invention.
In the figure: 1. sealing a cabinet door; 2. an intelligent rebound lock; 3. a vent hole; 4. a closed grid plate; 5. a control cylinder; 6. a ventilation cabinet body.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
referring to fig. 1-4, an intelligent switch cabinet based on remote monitoring of the internet of things comprises a ventilation cabinet body 6, wherein the front surface of the ventilation cabinet body 6 is rotationally connected with a sealing cabinet door 1, one side, far away from a hinge of the sealing cabinet door 1, of the ventilation cabinet body 6 is fixedly provided with an intelligent rebound lock 2, locking of the switch cabinet door is realized through the intelligent rebound lock 2, the front end of the intelligent rebound lock 2 is in clamping connection with the sealing cabinet door 1, ventilation holes 3 are formed in two sides of the ventilation cabinet body 6, a control cylinder 5 is fixedly installed in the ventilation cabinet body 6, the output end of the control cylinder 5 is fixedly connected with a closed grid plate 4, the closed grid plate 4 is in sliding connection with the inner wall of the ventilation cabinet body 6, and holes are formed in the closed grid plate 4;
the inside of the ventilation cabinet body 6 is provided with a remote monitoring system, the remote monitoring system comprises an external acquisition unit, an internal environment acquisition unit, an intervention control unit, a cabinet body monitoring unit, a control cluster unit and an operation control unit, the external acquisition unit is used for acquiring external environment information outside the switch cabinet, wherein the external environment information comprises environment temperature, wind speed, wind direction and rainfall, and the external acquisition unit sends the external environment information to the cabinet body monitoring unit;
the internal environment acquisition unit is used for acquiring internal environment information inside the switch cabinet, wherein the internal environment information comprises internal temperature, and the internal environment acquisition unit sends the internal environment information to the cabinet monitoring unit;
the cabinet body monitoring unit is used for analyzing external environment information and internal environment information and generating control signals of the switch cabinet, wherein the control signals of the switch cabinet comprise grid plate opening signals, grid plate closing signals, grid plate opening permission signals and grid plate opening prohibition signals, the control signals are sent to the control cluster unit, after the control cluster unit obtains the control signals, the switch cabinet is controlled to perform corresponding actions according to the control signals, the cabinet body monitoring unit obtains rainfall and wind direction in the external environment information, and the rainfall is reducedThe record is H, the cabinet body monitoring unit records the vertical line direction between the vent holes 3 at the two sides of the switch cabinet as the vertical line direction, the included angle between the wind direction and the vertical line direction as the invasion angle F, the cabinet body monitoring unit records the wind speed in the external environment information as V, the rainfall invasion characteristic value M is calculated through a formula,comparing the rainfall intrusion characteristic value M with a preset rainfall intrusion characteristic threshold value M0, if the rainfall intrusion characteristic value M is smaller than the preset rainfall intrusion characteristic threshold value M0, generating a grid plate opening permission signal if no rainfall exists on the surface environment or the rainfall does not affect the switch cabinet, and if the rainfall intrusion characteristic value M is larger than or equal to the preset rainfall intrusion characteristic threshold value M0, indicating that the environmental rainfall affects the switch cabinet, generating a grid plate opening prohibition signal, and transmitting the grid plate opening permission signal and the grid plate opening prohibition signal to a control cluster unit by a cabinet monitoring unit;
after receiving the grid plate opening prohibition signal, the control cluster unit confirms the current position of the vent hole 3, if the vent hole 3 is in an opening state at present, a grid plate closing signal is generated and executed, the vent hole 3 is converted into a closing state, short circuit caused by rainwater invasion inside the switch cabinet is prevented, after the grid plate closing signal is executed, the position of the vent hole 3 is confirmed again, if the vent hole 3 is converted into a closing state, no reaction is made, if the vent hole 3 is still in an opening state, a closed grid plate 4 closing failure is indicated, a closing failure signal is fed back to the cabinet body monitoring unit, the cabinet body monitoring unit sends a prompt to prompt a manager to check or overhaul, and if the vent hole 3 is in a closing state at present, no reaction is made;
the cabinet body monitoring unit compares the internal temperature with a preset operation temperature, if the internal temperature is higher than the preset operation temperature, a high-temperature signal in the cabinet is generated, after the high-temperature signal is generated, the cabinet body monitoring unit generates a grid plate opening signal to improve the ventilation effect of the switch cabinet, and sends the grid plate opening signal to the control cluster unit, after the control cluster unit receives the grid plate opening signal, if the control cluster unit simultaneously receives the grid plate opening signal, the position of the current ventilation hole 3 is acquired, if the ventilation hole 3 is in a closed state, the grid plate opening signal is executed, if the ventilation hole 3 is in the current open position, the grid plate opening signal is returned to the cabinet body monitoring unit to indicate that the closed grid plate 4 is in the open state at the moment, after the control cluster unit executes the grid plate opening signal, the position of the ventilation hole 3 is confirmed again, if the ventilation hole 3 is converted into the open state to indicate that the closed grid plate 4 is opened, the execution completion signal is fed back to the cabinet body monitoring unit, if the ventilation hole 3 is still in the closed state, the closed grid plate 4 is indicated to be opened, the execution failure signal is fed back to the cabinet body monitoring unit, and the cabinet body monitoring unit sends a reminder to a manager to remind a manager to check or overhaul;
after receiving the grid plate opening signal, if the grid plate opening prohibiting signal is received at the same time, the cabinet body monitoring unit does not operate the vent hole 3, simultaneously generates a rainfall signal and feeds the rainfall signal back to the cabinet body monitoring unit.
Embodiment two:
1-4, the intervention control unit can generate a manual intervention signal and send the manual intervention signal to the cabinet monitoring unit, the cabinet monitoring unit analyzes the manual intervention signal and external environment information, sends the manual intervention signal to the control cluster unit or generates an intervention interception signal, wherein the intervention interception signal comprises a ventilation prohibition signal or a closing prohibition signal and sends the intervention interception signal to the control cluster unit, the manual intervention signal generated by the intervention control unit comprises a manual ventilation signal and a manual closing signal, after the intervention control unit sends the manual ventilation signal to the cabinet monitoring unit, if the cabinet monitoring unit generates a grid plate opening permission signal, the cabinet monitoring unit sends the manual ventilation signal to the control cluster unit, the control cluster unit controls the ventilation hole 3 to be opened, and if the cabinet monitoring unit generates the grid plate opening prohibition signal, the cabinet monitoring unit returns the ventilation prohibition signal to the intervention control unit;
after the intervention control unit sends the manual closing signal to the cabinet body monitoring unit, if the cabinet body monitoring unit generates the high-temperature signal in the cabinet, the cabinet body monitoring unit feeds back the closing prohibition signal to the cabinet body control unit, and if the cabinet body monitoring unit generates the high-temperature signal in the cabinet, the manual closing signal is sent to the control cluster unit, and the control cluster unit controls the ventilation hole 3 to be closed.
The operation control unit obtains the internal environment information and the control signal through the cabinet monitoring unit, analyzes the internal environment information and the control signal to generate an operation weakening signal, sends the operation weakening signal to the control cluster unit, calculates the temperature difference between the environment temperature in the external environment information and the internal temperature in the internal environment information after the cabinet monitoring unit obtains the external environment information and the internal environment information, records the temperature difference as t, records the internal humidity of the cabinet monitoring unit as R, calculates the heat dissipation characteristic value G through a formula,comparing the heat radiation characteristic value G with a preset heat radiation characteristic threshold value G0, generating a sufficient heat radiation signal if the heat radiation characteristic value G is larger than or equal to the preset heat radiation characteristic threshold value G0, generating an insufficient heat radiation signal if the heat radiation characteristic value G is smaller than the preset heat radiation characteristic threshold value G0, and sending the sufficient heat radiation signal or the insufficient heat radiation signal to an operation control unit, wherein the operation control unit acquires a grid plate opening permission signal or a grid plate opening prohibition signal from the control cluster unit;
when the operation control unit obtains the heat dissipation insufficient signal, an operation weakening signal is generated, when the operation control unit obtains the high-temperature signal in the cabinet and the grid plate opening prohibition signal, the operation weakening signal is generated, the operation control unit divides elements in the switch cabinet into a common circuit and an important circuit, and when the operation control unit generates the operation weakening signal, the operation weakening signal is controlled to stop the common circuit, and the important circuit is controlled to continue to operate.
According to the invention, the airtight grid plate 4 with holes is arranged in the switch cabinet, the vent hole 3 is opened or closed in a staggered sliding mode on the vent hole 3 through the airtight grid plate 4, the vent hole 3 of the switch cabinet is closed when rainfall exists outside, the waterproof capability of the switch cabinet is improved, the applicability of the switch cabinet in various environments is improved, after the temperature of the switch cabinet is detected, when the switch cabinet does not meet the environment requirement of opening the vent hole for radiating heat, and the temperature in the switch cabinet is too high, or when the switch cabinet has opened the vent hole but the temperature in the switch cabinet is still too high, in order to prevent the switch cabinet from being damaged due to high temperature, the heat generating capability of the switch cabinet is reduced in a mode of closing a common circuit of a part, so that large-scale circuit paralysis of the switch cabinet caused by high-temperature damage is prevented, and whether the external environment can meet the requirement of opening the vent hole 3 or not is intelligently identified through detecting rainfall, wind speed and temperature of environmental information, the switch cabinet is prevented from being invaded by rainwater, and a short circuit phenomenon caused by the inside the switch cabinet is avoided.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form 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 understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. The intelligent switch cabinet based on the remote monitoring of the Internet of things comprises a ventilation cabinet body (6), and is characterized in that the front surface of the ventilation cabinet body (6) is rotationally connected with a sealing cabinet door (1), one side, away from a hinge of the sealing cabinet door (1), of the ventilation cabinet body (6) is fixedly provided with an intelligent rebound lock (2), the front end of the intelligent rebound lock (2) is connected with the sealing cabinet door (1) in a clamping manner, ventilation holes (3) are formed in two sides of the ventilation cabinet body (6), a control cylinder (5) is fixedly arranged in the ventilation cabinet body (6), the output end of the control cylinder (5) is fixedly connected with a sealing grid plate (4), the sealing grid plate (4) is in sliding connection with the inner wall of the ventilation cabinet body (6), and holes are formed in the sealing grid plate (4);
the inside of the ventilation cabinet body (6) is provided with a remote monitoring system, the remote monitoring system comprises an external acquisition unit, an internal environment acquisition unit, an intervention control unit, a cabinet body monitoring unit, a control cluster unit and an operation control unit, the external acquisition unit is used for acquiring external environment information outside the switch cabinet, wherein the external environment information comprises environment temperature, wind speed, wind direction and rainfall, and the external acquisition unit sends the external environment information to the cabinet body monitoring unit;
the internal environment acquisition unit is used for acquiring internal environment information inside the switch cabinet, wherein the internal environment information comprises internal temperature, and the internal environment acquisition unit sends the internal environment information to the cabinet monitoring unit;
the cabinet monitoring unit is used for analyzing external environment information and internal environment information, generating a control signal of the switch cabinet, and sending the control signal to the control cluster unit, wherein the control cluster unit controls the switch cabinet to perform corresponding actions according to the control signal after acquiring the control signal;
the intervention control unit can generate a manual intervention signal and send the manual intervention signal to the cabinet monitoring unit, the cabinet monitoring unit analyzes the manual intervention signal and external environment information, sends the manual intervention signal to the control cluster unit or generates an intervention interception signal, and sends the intervention interception signal to the control cluster unit;
the operation control unit obtains the internal environment information and the control signal through the cabinet monitoring unit, analyzes the internal environment information and the control signal, generates an operation weakening signal and sends the operation control signal to the control cluster unit.
2. The intelligent switch cabinet based on the remote monitoring of the internet of things according to claim 1, wherein the cabinet body monitoring unit obtains rainfall and wind direction in external environment information, records the rainfall as H, the cabinet body monitoring unit records the vertical line direction between the ventilation holes (3) at two sides of the switch cabinet as the vertical line direction, the included angle between the wind direction and the vertical line direction as an invasion angle F, the cabinet body monitoring unit records the wind speed in the external environment information as V, calculates a rainfall invasion characteristic value M through a formula,comparing the rainfall intrusion characteristic value M with a preset rainfall intrusion characteristic threshold value M0, generating a grid plate opening permission signal if the rainfall intrusion characteristic value M is smaller than the preset rainfall intrusion characteristic threshold value M0, and generating a grid plate opening prohibition signal if the rainfall intrusion characteristic value M is larger than or equal to the preset rainfall intrusion characteristic threshold value M0, wherein the cabinet monitoring unit sends the grid plate opening permission signal and the grid plate opening prohibition signal to the control cluster unit;
after receiving the grid plate opening prohibition signal, the control cluster unit confirms the current position of the vent hole (3), if the vent hole (3) is in the current opening state, generates a grid plate closing signal and executes the grid plate closing signal, converts the vent hole (3) into the closing state, confirms the position of the vent hole (3) again after the grid plate closing signal is executed, does not react if the vent hole (3) is converted into the closing state, and feeds back a closing failure signal to the cabinet monitoring unit if the vent hole (3) is still in the opening state, and does not react if the vent hole (3) is in the current closing state.
3. The intelligent switch cabinet based on the remote monitoring of the internet of things according to claim 1, wherein the cabinet body monitoring unit compares the internal temperature with a preset operation temperature, if the internal temperature is higher than the preset operation temperature, a high-temperature signal in the cabinet is generated, the cabinet body monitoring unit generates a grid plate opening signal after generating the high-temperature signal, and sends the grid plate opening signal to the control cluster unit, the control cluster unit receives the grid plate opening signal, if the grid plate opening signal is received at the same time, the position of the current vent hole (3) is acquired, if the vent hole (3) is in a closed state, the grid plate opening signal is executed, if the vent hole (3) is currently in the open position, the grid plate opening signal is returned to the cabinet body monitoring unit, if the vent hole (3) is converted into the open state after executing the grid plate opening signal, the execution completion signal is fed back to the cabinet body monitoring unit, and if the vent hole (3) is still in the closed state, the execution failure signal is fed back to the cabinet body monitoring unit;
after receiving the grid plate opening signal, the cabinet body monitoring unit does not operate the vent hole (3) and simultaneously generates a rainfall signal if the grid plate opening prohibiting signal is received at the same time, and the rainfall signal is fed back to the cabinet body monitoring unit.
4. The intelligent switch cabinet based on the remote monitoring of the internet of things according to claim 1, wherein after the cabinet body monitoring unit obtains the external environment information and the internal environment information, the temperature difference between the environment temperature in the external environment information and the internal temperature in the internal environment information is calculated, the temperature difference is recorded as t, the internal humidity of the cabinet body monitoring unit is recorded as R, the cabinet body monitoring unit calculates the heat dissipation characteristic value G through a formula,comparing the heat radiation characteristic value G with a preset heat radiation characteristic threshold value G0, generating a sufficient heat radiation signal if the heat radiation characteristic value G is larger than or equal to the preset heat radiation characteristic threshold value G0, generating an insufficient heat radiation signal if the heat radiation characteristic value G is smaller than the preset heat radiation characteristic threshold value G0, and transmitting the sufficient heat radiation signal or the insufficient heat radiation signal to the operation control unit;
the operation control unit acquires a louver-opening enable signal or a louver-opening disable signal from the control cluster unit.
5. The intelligent switch cabinet based on the remote monitoring of the internet of things according to claim 1, wherein the manual intervention signal generated by the intervention control unit comprises a manual ventilation signal and a manual closing signal, after the intervention control unit sends the manual ventilation signal to the cabinet body monitoring unit, if the cabinet body monitoring unit generates a grid plate opening permission signal, the cabinet body monitoring unit sends the manual ventilation signal to the control cluster unit, the control cluster unit controls the ventilation hole (3) to be opened, and if the cabinet body monitoring unit generates a grid plate opening prohibition signal, the cabinet body monitoring unit returns the ventilation prohibition signal to the intervention control unit;
after the intervention control unit sends the manual closing signal to the cabinet body monitoring unit, if the cabinet body monitoring unit generates the high-temperature signal in the cabinet, the cabinet body monitoring unit feeds back the closing prohibition signal to the cabinet body control unit, and if the cabinet body monitoring unit generates the high-temperature signal in the cabinet, the manual closing signal is sent to the control cluster unit, and the control cluster unit controls the ventilation hole (3) to be closed.
6. The intelligent switch cabinet based on the remote monitoring of the internet of things according to claim 1, wherein when the operation control unit obtains a heat dissipation insufficient signal, an operation weakening signal is generated, when the operation control unit obtains an internal high-temperature signal and a grid plate opening prohibition signal at the same time, the operation weakening signal is generated, the operation control unit divides elements in the switch cabinet into a common circuit and an important circuit, and when the operation weakening signal is generated by the operation control unit, the operation weakening signal is controlled to stop operation of the common circuit, and the important circuit is controlled to continue operation.
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| CN116526319B (en) | 2024-01-16 |
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