CN115579757A - Intelligent switch cabinet for new energy industry - Google Patents
Intelligent switch cabinet for new energy industry Download PDFInfo
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- CN115579757A CN115579757A CN202211560378.8A CN202211560378A CN115579757A CN 115579757 A CN115579757 A CN 115579757A CN 202211560378 A CN202211560378 A CN 202211560378A CN 115579757 A CN115579757 A CN 115579757A
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- cabinet body
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- temperature
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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
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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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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides an intelligent switch cabinet for new energy industry, belonging to the technical field of switch cabinets and comprising a cabinet body, a temperature monitoring module, a partial discharge monitoring module, a display module, a human body proximity sensor, a smoke sensor and a control module; the temperature monitoring module, the partial discharge monitoring module, the display module, the human body proximity sensor and the smoke sensor are all electrically connected with the control module; the display module with human proximity sensor all installs on the outer wall of the cabinet body. Through temperature monitoring module, partial discharge monitoring module and smoke transducer to the internal temperature of cabinet, partial discharge and smog monitor to show above-mentioned monitoring data on display module through control module, can be convenient for the fortune examine personnel know the interior behavior of cubical switchboard, and then can reduce the potential safety hazard.
Description
Technical Field
The invention belongs to the technical field of switch cabinets, and particularly relates to an intelligent switch cabinet for new energy industry.
Background
The new energy generally refers to renewable energy developed and utilized on the basis of new technology, including solar energy, biological intelligence, wind energy, geothermal energy, tidal energy and the like, and the process of generating electricity by using the renewable energy is called new energy power generation. Among them, wind power generation is a common new energy power generation method. In the process of wind power generation, the switch cabinet is required to be used for opening and closing, controlling and protecting the electric equipment. The components in the switch cabinet are composed of a breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor and various protection devices.
In the operation process of the switch cabinet, due to the fact that dust exists on the surfaces of the electrical elements, the electrical elements are aged and the like, partial discharge can occur; and the cubical switchboard is as closed equipment, appears unusual back in the cubical switchboard is inside, and the fortune personnel of examining also are difficult to discover at the tour in-process, can have the potential safety hazard.
Disclosure of Invention
The embodiment of the invention provides an intelligent switch cabinet for new energy industry, and aims to solve the technical problem that in the prior art, a transport inspector is difficult to find abnormal conditions inside the switch cabinet in a patrol process.
In order to achieve the purpose, the invention adopts the technical scheme that:
the intelligent switch cabinet for the new energy industry comprises a cabinet body, a temperature monitoring module, a partial discharge monitoring module, a display module, a human body proximity sensor, a smoke sensor and a control module; the temperature monitoring module, the partial discharge monitoring module, the display module, the human body proximity sensor and the smoke sensor are all electrically connected with the control module; the display module and the human body proximity sensor are both arranged on the outer wall of the cabinet body; the temperature monitoring module is used for monitoring the temperature in the cabinet body and transmitting the temperature value to the control module; the partial discharge monitoring module is used for monitoring the partial discharge condition of the electric elements in the cabinet body and transmitting partial discharge signals to the control module; the smoke sensor is used for monitoring smoke in the cabinet body and transmitting a smoke value to the control module;
the control module transmits a partial discharge signal, a temperature value and a smoke value to the display module so that the display module displays a partial discharge condition, a temperature value and a smoke value in the cabinet body;
when the human body proximity sensor detects a person to be detected, the human body proximity sensor transmits a detection signal to the control module, and the control module transmits a bright screen signal to the display module according to the detection signal and enables the display module to display the operation condition of the cabinet body.
In one possible implementation manner, the intelligent switch cabinet further comprises a communication module, and the communication module is electrically connected with the control module;
when the temperature value exceeds the preset temperature value, the smoke value exceeds the preset smoke value or the partial discharge signal exists, the control module generates an alarm signal and uploads the temperature value, the smoke value and the partial discharge signal to the cloud server through the communication module.
In a possible implementation manner, the temperature monitoring module includes a first temperature sensor disposed inside the cabinet body, and a second temperature sensor disposed outside the cabinet body; the first temperature sensor is used for monitoring the temperature in the cabinet body, and the second temperature sensor is used for monitoring the temperature outside the cabinet body;
the control module can obtain the temperature rate in the cabinet body and the temperature rise rate outside the cabinet body according to the temperature value of the first temperature sensor and the temperature value of the second temperature sensor; when the difference value between the temperature rise rate in the cabinet body and the temperature rise rate outside the cabinet body is larger than a preset temperature rise rate value or the temperature value of the first temperature sensor is larger than a preset temperature value, the control module generates an alarm signal and transmits the temperature value to the cloud server through the communication module.
In a possible implementation manner, the partial discharge monitoring module includes a ground electric wave partial discharge sensor installed in the cabinet body, the ground electric wave partial discharge sensor is electrically connected to the control module, and the ground electric wave partial discharge sensor is configured to monitor an amplitude of partial discharge and a discharge pulse frequency.
In a possible implementation manner, a camera module and an illumination module are further arranged in the cabinet body, the camera module is used for shooting the electrical elements in the cabinet body, and the illumination module is used for providing a light source when the camera module shoots;
when the temperature value exceeds a preset temperature value, the smoke value exceeds a preset smoke value or a partial discharge signal exists, the lighting module is started, and the camera module shoots the running condition of the electric elements in the cabinet body; the camera module transmits the shot image and video information to the control module and uploads the image and video information to the cloud server through the communication module.
In a possible implementation manner, the electric elements in the cabinet body are provided with numbers, and the electric elements in the cabinet body are connected with the control module through signal transmission lines; after the electric element breaks down, the electric element transmits fault information to the control module through a signal transmission line, and the control module transmits the fault information of the electric element with the corresponding number to the cloud server through the communication module.
In a possible implementation manner, a plurality of openings are formed in the outer side wall of the cabinet body, light-transmitting plates are fixedly arranged at the openings of the cabinet body, and the light-transmitting plates are in sealing fit with the switch cabinet; the position of the opening corresponds to the position of the electric element;
the lateral wall of the switch cabinet is also provided with a cover plate at the position of the light transmission plate, and the top of the cover plate is hinged with the switch cabinet to cover the light transmission plate.
In a possible implementation, the intelligent switchgear further comprises a smoke-exhaust cooling device, said smoke-exhaust cooling device having a first operating condition suitable for exchanging heat with the interior of said cabinet, and having a second operating condition suitable for evacuating smoke from the interior of said cabinet.
In one possible implementation, the exhaust gas cooling device includes:
the heat exchange tube penetrates through the cabinet body, and two ends of the heat exchange tube respectively extend out of two sides of the cabinet body; the part of the heat exchange tube, which is positioned in the cabinet body, is provided with a plurality of first vent holes which are arranged at intervals along the axial direction;
the two sections of opening and closing tubes are sleeved in the heat exchange tubes, and second vent holes aligned with the first vent holes are formed in the opening and closing tubes;
the two sealing plates are positioned at the connecting positions of the two opening and closing tubes; one of the sealing plates is fixed on the inner peripheral wall of the heat exchange tube, and a first arc-shaped sliding groove is formed in the sealing plate and corresponds to the end part of the opening and closing tube; the two sections of the opening and closing pipes are fixedly connected through a connecting shaft, and the connecting shaft penetrates through the other sealing plate; the connecting shaft is positioned in the first arc-shaped sliding groove and has freedom degree of sliding along the first arc-shaped sliding groove; the two sealing plates are provided with third ventilation holes which are aligned with each other;
the rotary power part is arranged on the outer wall of the cabinet body, a second arc-shaped sliding groove is formed in the side wall of the heat exchange tube outside the cabinet body, and the rotary power part is provided with a driving end which is suitable for penetrating through the second arc-shaped sliding groove and is connected with the opening and closing tube;
the gas tank is communicated with the heat exchange tube through a pipeline, and a valve is arranged on the pipeline; the gas tank is internally provided with flame-retardant gas; and
the cooling structure is communicated with the heat exchange tube through a pipeline, and a valve is arranged on the pipeline;
when the smoke value is larger than the preset smoke value, the control module controls the rotary power part to rotate, so that the third vent holes in the two sealing plates are staggered, and the second vent holes are communicated with the first vent holes; the control module controls a valve on the gas tank to open and controls a valve on the cooling structure to close;
when cooling is needed, the third vent holes on the two sealing plates are aligned with each other, and the second vent holes and the first vent holes are staggered with each other; and when the valve on the cooling structure of the control module is opened, the control module controls the valve on the gas tank to be closed.
In a possible implementation manner, a plurality of heat pipes are fixedly arranged on the peripheral wall of the heat exchange pipe.
In the embodiment of the application, the temperature monitoring module can monitor the temperature in the cabinet body, the partial discharge monitoring module can monitor the partial discharge condition in the cabinet body, and the smoke sensor can monitor the smoke in the cabinet body; the control module can receive monitoring data of the temperature monitoring module, the partial discharge monitoring module and the smoke sensor and display the monitoring data through the display module; when the operation personnel pass through the switch cabinet, the human body proximity sensor generates a detection signal and transmits the detection signal to the control module, and the control module controls the display module to light a screen and enables the display module to display the monitoring data. Through the mode, the operation condition in the switch cabinet is conveniently known by the operation personnel, and the operation personnel is not required to operate the display module on the switch cabinet. When the operation personnel leave the switch cabinet, the control module controls the display module to be black, so that electric energy can be saved.
Compared with the prior art, the intelligent switch cabinet for the new energy industry provided by the invention has the advantages that the temperature, the local discharge and the smoke in the cabinet body are monitored through the temperature monitoring module, the local discharge monitoring module and the smoke sensor, and the monitoring data are displayed on the display module through the control module, so that operation conditions in the switch cabinet can be conveniently known by a transportation and inspection person, and further, potential safety hazards can be reduced.
Drawings
Fig. 1 is a connection relationship diagram of a control module of an intelligent switch cabinet for new energy industry according to an embodiment of the present invention;
fig. 2 is a schematic view of a cabinet body and a heat exchange tube portion of an intelligent switch cabinet for new energy industry according to an embodiment of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a schematic view of a heat exchange tube and an opening and closing tube portion of an intelligent switch cabinet for new energy industry according to an embodiment of the present invention;
FIG. 5 is an enlarged view of portion B of FIG. 4;
FIG. 6 is an enlarged view of the portion C of FIG. 4;
fig. 7 is a schematic view of two sealing plate portions of an intelligent switch cabinet for new energy industry according to an embodiment of the present invention;
fig. 8 is a schematic cross-sectional view of a heat exchange tube and an opening and closing tube of the intelligent switch cabinet for new energy industry according to the embodiment of the present invention.
Description of the reference numerals: 1. a cabinet body; 2. a flue gas cooling device; 21. a heat exchange tube; 211. a first vent hole; 212. a second arc chute; 213. an air intake region; 214. an air outlet area; 22. opening and closing the tube; 221. a second vent hole; 23. closing the plate; 231. a first arc-shaped chute; 232. a third vent hole; 24. a rotary power member; 241. a drive rod; 2411. a strip-shaped groove; 242. a cylinder; 243. hinging a shaft; 25. and (7) connecting the shafts.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 8 together, an intelligent switch cabinet for new energy industry according to the present invention will now be described. The intelligent switch cabinet for the new energy industry comprises a cabinet body 1, a temperature monitoring module, a partial discharge monitoring module, a display module, a human body proximity sensor, a smoke sensor and a control module; the temperature monitoring module, the partial discharge monitoring module, the display module, the human body proximity sensor and the smoke sensor are all electrically connected with the control module; the display module and the human body proximity sensor are both arranged on the outer wall of the cabinet body 1; the temperature monitoring module is used for monitoring the temperature in the cabinet body 1 and transmitting the temperature value to the control module; the partial discharge monitoring module is used for monitoring the partial discharge condition of the electric elements in the cabinet body 1 and transmitting partial discharge signals to the control module; the smoke sensor is used for monitoring smoke in the cabinet body 1 and transmitting a smoke value to the control module; the control module transmits the partial discharge signal, the temperature value and the smoke value to the display module so that the display module displays the partial discharge condition, the temperature value and the smoke value in the cabinet body 1; when human proximity sensor detected the fortune and examined personnel, human proximity sensor transmitted the detected signal to control module, and control module transmits bright screen signal to display module according to the detected signal to make the display module show 1 operational aspect of cabinet body.
In the embodiment of the application, the temperature monitoring module can monitor the temperature in the cabinet body 1, the partial discharge monitoring module can monitor the partial discharge condition in the cabinet body 1, and the smoke sensor can monitor the smoke in the cabinet body 1; the control module can receive monitoring data of the temperature monitoring module, the partial discharge monitoring module and the smoke sensor and display the monitoring data through the display module; when the operation personnel pass through the switch cabinet, the human body proximity sensor generates a detection signal and transmits the detection signal to the control module, and the control module controls the display module to light a screen and enables the display module to display the monitoring data. Through the mode, the operation condition in the switch cabinet is conveniently known by the operation personnel, and the operation personnel is not required to operate the display module on the switch cabinet. When the operation personnel leave the switch cabinet, the control module controls the display module to be black, so that electric energy can be saved.
Compared with the prior art, the intelligent switch cabinet for the new energy industry provided by the invention has the advantages that the temperature, the partial discharge and the smoke in the cabinet body 1 are monitored through the temperature monitoring module, the partial discharge monitoring module and the smoke sensor, and the monitoring data are displayed on the display module through the control module, so that operation conditions in the switch cabinet can be conveniently known by operation and inspection personnel, and further, potential safety hazards can be reduced.
In some embodiments, as shown in fig. 1 to 8, the intelligent switch cabinet further includes a communication module, and the communication module is electrically connected to the control module; when the temperature value exceeds a preset temperature value, the smoke value exceeds a preset smoke value or a partial discharge signal exists, the control module generates an alarm signal and uploads the temperature value, the smoke value and the partial discharge signal to the cloud server through the communication module.
Specifically, the temperature monitoring module comprises a first temperature sensor arranged in the cabinet body 1 and a second temperature sensor arranged outside the cabinet body 1; the first temperature sensor is used for monitoring the temperature in the cabinet body 1, and the second temperature sensor is used for monitoring the temperature outside the cabinet body 1; the control module can obtain the temperature rate in the cabinet body 1 and the temperature rise rate outside the cabinet body 1 according to the temperature value of the first temperature sensor and the temperature value of the second temperature sensor; when the difference value of the temperature rise speed in the cabinet body 1 and the temperature rise speed outside the cabinet body 1 is greater than the preset temperature rise speed value, or the temperature value of the first temperature sensor is greater than the preset temperature value, the control module generates an alarm signal, and transmits the temperature value to the cloud server through the communication module. The cloud server and the process of transmitting data to the cloud server through the communication module are the prior art and are not described herein again.
Specifically, the partial discharge monitoring module comprises a ground electric wave partial discharge sensor installed in the cabinet body 1, the ground electric wave partial discharge sensor is electrically connected with the control module, and the ground electric wave partial discharge sensor is used for monitoring the amplitude and the discharge pulse frequency of partial discharge.
It should be noted that the first temperature sensor, the second temperature sensor, the human body proximity sensor, the smoke sensor, the ground electric wave partial discharge sensor, and the communication module are all in the prior art, and the specific working principle of the sensors is not described herein again. When control module passes through communication module and uploads monitoring data to high in the clouds server, operating personnel can pass through computer, cell-phone, dull and stereotyped access high in the clouds server to look over the monitoring data that control module returned, consequently be convenient for operating personnel and know the operational aspect of cubical switchboard, and operating personnel can the operation of remote control cubical switchboard. The operation process of remotely controlling the switch cabinet through the communication module belongs to the prior art and is not described again.
In some embodiments, as shown in fig. 1 to 8, a camera module and a lighting module are further disposed in the cabinet 1, the camera module is used for shooting the electrical elements in the cabinet 1, and the lighting module is used for providing a light source when the camera module takes a picture; when the temperature value exceeds a preset temperature value, the smoke value exceeds a preset smoke value or a partial discharge signal exists, the lighting module is started, and the camera module shoots the running condition of the electric elements in the cabinet body 1; the camera module transmits the shot images and video information to the control module and uploads the shot images and video information to the cloud server through the communication module.
It should be noted that, when a fire disaster occurs in the cabinet body 1, the smoke value monitored by the smoke sensor exceeds the preset smoke value, and the temperature value of the first temperature sensor exceeds the preset temperature value; control module is after receiving smoke value and temperature value, and control module control lighting module starts to control the module of making a video recording and shoot the inside of the cabinet body 1, and upload image information and video information to the high in the clouds server through communication module, the operating personnel of being convenient for knows the condition in the cabinet body 1.
In addition, a placing box consisting of flame-retardant light-transmitting plates is arranged inside the cabinet body 1, and the lighting module, the camera module and the control module are all arranged in the placing box; when the cabinet body 1 is in a fire disaster, sufficient time can be provided for normal operation of the lighting module, the camera module and the control module, so that the control module uploads image information and video information to the cloud server.
In some embodiments, as shown in fig. 1 to 8, the electrical components in the cabinet 1 have numbers, and the electrical components in the cabinet 1 are connected with the control module through signal transmission lines; after the electric element breaks down, the electric element transmits fault information to the control module through the signal transmission line, and the control module transmits the electric element fault information with the corresponding serial number to the cloud server through the communication module.
It should be noted that, when normal operation, there can be pulse signal on the signal transmission line, after electric elements broke down, pulse signal on the signal transmission line will disappear, and control module can judge the serial number of electric elements that broke down this moment to transmit the serial number of electric elements that broke down to display module, and reach the high in the clouds server on passing through communication module, be convenient for the transport and examine personnel and overhaul corresponding electric elements in the cubical switchboard, can improve maintenance efficiency.
In some embodiments, as shown in fig. 1 to 8, a plurality of openings (not shown) are formed on an outer side wall of the cabinet body 1, a light-transmitting plate (not shown) is fixedly disposed at the openings of the cabinet body, and the light-transmitting plate is in sealing fit with the switch cabinet; the position of the opening corresponds to the position of the electric element; the outer side wall of the switch cabinet is further provided with a cover plate (not shown in the figure) at the position of the light transmission plate, and the top of the cover plate is hinged with the switch cabinet to cover the light transmission plate.
It should be noted that, with the above arrangement, when the display module displays that the inside of the cabinet body 1 is faulty, the operation and inspection personnel can observe the inside of the cabinet body 1 by opening the cover plate; the fortune personnel of examining can be equipped with the flashlight usually when patrolling, consequently after opening the lid, with the light of flashlight from the light-passing board penetrate into the cabinet body 1 in, the condition of the fortune personnel of examining to the cabinet body 1 of being convenient for is observed. The cover plate is arranged on the outer side of the light-transmitting plate, so that the light-transmitting plate can be protected. Because the top of light-passing board is articulated with the lateral wall of cubical switchboard, consequently the apron can seal the opening under self action of gravity.
In some embodiments, as shown in fig. 1 to 8, the intelligent switchgear further comprises a smoke cooling device 2, the smoke cooling device 2 having a first operating state adapted to exchange heat with the inside of the cabinet 1, and a second operating state adapted to exhaust smoke inside the cabinet 1.
The exhaust smoke cooling device 2 comprises a heat exchange tube 21, two sections of opening and closing tubes 22, two closing plates 23, a rotary power piece 24, a gas tank (not shown in the figure) and a cooling structure; the heat exchange tube 21 penetrates through the cabinet body 1, and two ends of the heat exchange tube 21 respectively extend out of two opposite sides of the cabinet body 1; the part of the heat exchange tube 21 in the cabinet 1 is provided with a plurality of first vent holes 211 arranged at intervals along the axial direction; the two sections of the opening and closing tubes 22 are sleeved in the heat exchange tube 21, and the two sections of the opening and closing tubes 22 are provided with second vent holes 221 aligned with the first vent holes 211.
The two close plates 23 are both positioned at the connecting position of the two open-close tubes 22; one of the sealing plates 23 is fixed on the inner peripheral wall of the heat exchange tube 21, and the outer peripheral wall of the sealing plate 23 is provided with a first arc-shaped sliding groove 231, the first arc-shaped sliding groove 231 corresponds to the end of the opening and closing tube 22, and the depth of the first arc-shaped sliding groove 231 is smaller than the thickness of the opening and closing tube 22. The two sections of the openable and closable pipes 22 are fixedly connected through a connecting shaft 25, the connecting shaft 25 passes through the first arc-shaped sliding slot 231 and passes through the other closing plate 23, and the other closing plate 23 is provided with a through hole for the connecting shaft 25 to pass through. Both closure plates 23 have third venting holes 232 in alignment with each other.
During the rotation of one of the sections of the opening and closing tube 22 around its axis, the connecting shaft 25 slides in the first arc-shaped sliding slot 231 and drives the other closing plate 23 and the other section of the opening and closing tube 22 to rotate. By the arrangement mode, the two sections of the opening and closing tubes 22 can synchronously rotate, and the other sealing plate 23 can be driven to rotate at the same time. When the second vent hole 221 of the open-close pipe 22 is aligned with the first vent hole 211 of the heat exchange pipe 21, the third vent holes 232 of the two close plates 23 are arranged in a staggered manner, so that the interior of the heat exchange pipe 21 can be divided into two chambers.
The rotary power piece 24 is arranged on the outer wall of the cabinet body 1, the heat exchange tube 21 is provided with a second arc-shaped chute 212 on the side wall outside the cabinet body 1, and the rotary power piece 24 is provided with a driving end which is suitable for penetrating through the second arc-shaped chute 212 and is connected with the opening and closing tube 22; the gas tank is communicated with the heat exchange tube 21 through a pipeline, and a valve is arranged on the pipeline; the gas tank is provided with flame-retardant gas, and the flame-retardant gas comprises carbon dioxide gas. The cooling structure is communicated with the heat exchange tube 21 through a pipeline, and a valve is arranged on the pipeline. When the valve on the gas tank is opened, the valve on the cooling structure is closed; when the valve on the cooling structure is open, the valve on the gas tank is closed.
When the smoke value is larger than the preset smoke value, the control module controls the rotary power part 24 to rotate, so that the third vent holes 232 on the two sealing plates 23 are staggered with each other, and the second vent holes 221 are communicated with the first vent holes 211; the control module controls a valve on the gas tank to be opened and controls a valve on the cooling structure to be closed; when cooling is required, the third vent holes 232 of the two cover plates 23 are aligned with each other, and the second vent holes 221 and the first vent holes 211 are offset from each other. When the valve on the cooling structure of the control module is opened, the valve on the gas tank is controlled to be closed. The outer peripheral wall of the heat exchange tube 21 is fixedly provided with a plurality of heat pipes (not shown in the figure).
Specifically, the cooling structure comprises a refrigeration compressor, an air pump, a circulating pipeline and an air duct, wherein the circulating pipeline is connected with the refrigeration compressor, and the air duct is wound on the circulating pipeline, so that the air duct can exchange heat with the circulating pipeline, and the temperature of gas in the air duct is reduced; the air pump is connected with one end of the air pipe, and the other end of the air pipe is communicated with the heat exchange pipe 21; the valve is arranged on the ventilation pipeline. Through the arrangement, cold air can be provided in the heat exchange tube 21, and then the interior of the cabinet body 1 is cooled down conveniently. The refrigeration compressor is prior art and will not be described herein.
Specifically, the rotary power member 24 includes a driving rod 241 and a cylinder 242, the driving rod 241 passes through the second arc chute 212 and is fixed on the open/close tube 22; the cylinder barrel of the air cylinder 242 is hinged on the outer side wall of the cabinet body 1, and the piston cylinder of the air cylinder 242 is hinged on the driving rod 241; the driving rod 241 is provided with a strip groove 2411 along the diameter direction of the open-close pipe 22, and the piston cylinder of the air cylinder 242 is provided with a hinged shaft 243 in sliding fit with the strip groove 2411. Through the extension and retraction of the piston cylinder of the air cylinder 242, the driving rod 241 can slide in the second arc-shaped sliding groove 212, so that the opening and closing pipe 22 rotates in the heat exchange pipe 21, and therefore the switching between the first working state and the second working state of the heat exchange pipe 21 can be achieved. The cylinder 242 can also be replaced by an electric push rod, the cylinder body of the electric push rod is hinged on the outer side wall of the cabinet body 1, and the pushing end of the electric push rod is matched with the strip-shaped groove 2411 through a hinge shaft 243.
It should be noted that, in the case that the cabinet 1 is operating normally, the heat exchange pipe 21 is in the first working state, i.e. cooling the inside of the cabinet 1. The second vent hole 221 of the open/close tube 22 and the first vent hole 211 of the heat exchange tube 21 are disposed in a staggered manner, and the third vent holes 232 of the two close plates 23 are aligned with each other, so that the gas in the heat exchange tube 21 cannot enter the cabinet 1 from the first vent hole 211 and the second vent hole 221 in the process of flowing through the heat exchange tube 21. The specific process is as follows: cold air can be provided into the heat exchange tube 21 through the air pump and the ventilation pipeline, and the cold air can exchange heat with air in the cabinet body 1, so that the temperature in the cabinet body 1 can be reduced; set up the heat pipe on the periphery wall of heat exchange tube 21, can improve heat exchange efficiency, and then be convenient for cool down the cabinet body 1.
In case of a fire in the cabinet 1, the heat exchange pipe 21 is in the second operation state, i.e., a state of exhausting smoke in the cabinet 1. The second vent hole 221 of the open/close tube 22 is aligned with the first vent hole 211 of the heat exchange tube 21, and the third vent holes 232 of the two close plates 23 are disposed in a staggered manner, so that the interior of the heat exchange tube 21 is divided into two areas by the two close plates 23, wherein one area is the air inlet area 213, and the other area is the air outlet area 214. When the flame-retardant gas in the gas tank enters the gas inlet area 213 of the heat exchange tube 21, the flame-retardant gas enters the cabinet body 1 from the first vent hole 211 and the second vent hole 221, and the smoke and the flame-retardant gas enter the gas outlet area 214 from the first vent hole 211 and the second vent hole 221 of the other section and are finally discharged out of the cabinet body 1; through the arrangement, on one hand, open fire in the cabinet body 1 can be extinguished, and on the other hand, smoke in the cabinet body 1 can be discharged.
After open fire in the cabinet body 1 is eliminated and smoke in the cabinet body 1 is exhausted, the valve of the air tank is closed, the valve of the ventilation pipeline is opened, and at the moment, the air pump can introduce air into the cabinet body 1 and exhaust flame-retardant gas in the cabinet body 1; after the cabinet body 1 runs for a certain time, the heat exchange tube 21 is in the first working state by rotating the opening and closing tube 22, and the temperature of the cabinet body 1 is continuously reduced until the temperature in the cabinet body 1 is lower than the preset temperature value. Through the arrangement, after open fire and smoke are eliminated, the flame-retardant gas can be discharged out of the cabinet body 1, and the condition of oxygen deficiency after the cabinet door is opened by a maintainer is avoided.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (10)
1. The intelligent switch cabinet for the new energy industry is characterized by comprising a cabinet body, a temperature monitoring module, a partial discharge monitoring module, a display module, a human body proximity sensor, a smoke sensor and a control module; the temperature monitoring module, the partial discharge monitoring module, the display module, the human body proximity sensor and the smoke sensor are all electrically connected with the control module; the display module and the human body proximity sensor are both arranged on the outer wall of the cabinet body; the temperature monitoring module is used for monitoring the temperature in the cabinet body and transmitting the temperature value to the control module; the partial discharge monitoring module is used for monitoring the partial discharge condition of the electric elements in the cabinet body and transmitting partial discharge signals to the control module; the smoke sensor is used for monitoring smoke in the cabinet body and transmitting a smoke value to the control module;
the control module transmits a partial discharge signal, a temperature value and a smoke value to the display module so that the display module displays a partial discharge condition, a temperature value and a smoke value in the cabinet body;
when the human body proximity sensor detects a person to be detected, the human body proximity sensor transmits a detection signal to the control module, and the control module transmits a bright screen signal to the display module according to the detection signal and enables the display module to display the operation condition of the cabinet body.
2. The intelligent switch cabinet for the new energy industry according to claim 1, further comprising a communication module, wherein the communication module is electrically connected with the control module;
when the temperature value exceeds a preset temperature value, the smoke value exceeds a preset smoke value or a partial discharge signal exists, the control module generates an alarm signal and uploads the temperature value, the smoke value and the partial discharge signal to the cloud server through the communication module.
3. The intelligent switch cabinet for the new energy industry as claimed in claim 2, wherein the temperature monitoring module comprises a first temperature sensor arranged in the cabinet body, and a second temperature sensor arranged outside the cabinet body; the first temperature sensor is used for monitoring the temperature in the cabinet body, and the second temperature sensor is used for monitoring the temperature outside the cabinet body;
the control module can obtain the temperature rate in the cabinet body and the temperature rise rate outside the cabinet body according to the temperature value of the first temperature sensor and the temperature value of the second temperature sensor; when the difference value between the temperature rise rate in the cabinet body and the temperature rise rate outside the cabinet body is larger than a preset temperature rise rate value or the temperature value of the first temperature sensor is larger than a preset temperature value, the control module generates an alarm signal and transmits the temperature value to the cloud server through the communication module.
4. The intelligent switch cabinet for the new energy industry as claimed in claim 2, wherein the partial discharge monitoring module comprises a ground electric wave partial discharge sensor installed in the cabinet body, the ground electric wave partial discharge sensor is electrically connected with the control module, and the ground electric wave partial discharge sensor is used for monitoring the amplitude and the discharge pulse frequency of partial discharge.
5. The intelligent switch cabinet for the new energy industry as claimed in claim 2, wherein a camera module and a lighting module are further arranged in the cabinet body, the camera module is used for shooting the electric elements in the cabinet body, and the lighting module is used for providing a light source when the camera module shoots;
when the temperature value exceeds a preset temperature value, the smoke value exceeds a preset smoke value or a partial discharge signal exists, the lighting module is started, and the camera module shoots the running condition of the electric elements in the cabinet body; the camera module transmits the shot images and video information to the control module and uploads the shot images and video information to the cloud server through the communication module.
6. The intelligent switch cabinet for the new energy industry as claimed in claim 2, wherein the electrical components in the cabinet body have numbers, and the electrical components in the cabinet body are connected with the control module through signal transmission lines; after the electric element breaks down, the electric element transmits fault information to the control module through a signal transmission line, and the control module transmits the fault information of the electric element with the corresponding number to the cloud server through the communication module.
7. The intelligent switch cabinet for the new energy industry as claimed in claim 1, wherein a plurality of openings are formed in the outer side wall of the cabinet body, light-transmitting plates are fixedly arranged at the openings of the cabinet body, and the light-transmitting plates are in sealing fit with the switch cabinet; the position of the opening corresponds to the position of the electric element;
the outer side wall of the switch cabinet is further provided with a cover plate at the position of the light-transmitting plate, and the top of the cover plate is hinged with the switch cabinet to cover the light-transmitting plate.
8. The intelligent switch cabinet for the new energy industry as claimed in claim 1, further comprising a smoke exhaust cooling device, wherein the smoke exhaust cooling device has a first operating state suitable for heat exchange with the interior of the cabinet and a second operating state suitable for exhausting smoke from the interior of the cabinet.
9. The intelligent switch cabinet for new energy industry of claim 8, wherein the exhaust smoke cooling device comprises:
the heat exchange tube penetrates through the cabinet body, and two ends of the heat exchange tube respectively extend out of two sides of the cabinet body; the part of the heat exchange tube, which is positioned in the cabinet body, is provided with a plurality of first vent holes which are arranged at intervals along the axial direction;
the two sections of opening and closing tubes are sleeved in the heat exchange tubes, and second vent holes aligned with the first vent holes are formed in the opening and closing tubes;
the two sealing plates are positioned at the connecting positions of the two opening and closing tubes; one of the sealing plates is fixed on the inner peripheral wall of the heat exchange tube, and a first arc-shaped sliding groove is formed in the sealing plate and corresponds to the end part of the opening and closing tube; the two sections of the opening and closing pipes are fixedly connected through a connecting shaft, and the connecting shaft penetrates through the other sealing plate; the connecting shaft is positioned in the first arc-shaped sliding groove and has freedom degree of sliding along the first arc-shaped sliding groove; the two sealing plates are provided with third ventilation holes which are aligned with each other;
the rotary power part is arranged on the outer wall of the cabinet body, a second arc-shaped sliding groove is formed in the side wall of the heat exchange tube outside the cabinet body, and the rotary power part is provided with a driving end which is suitable for penetrating through the second arc-shaped sliding groove and is connected with the opening and closing tube;
the gas tank is communicated with the heat exchange tube through a pipeline, and a valve is arranged on the pipeline; the gas tank is internally provided with flame-retardant gas; and
the cooling structure is communicated with the heat exchange tube through a pipeline, and a valve is arranged on the pipeline;
when the smoke value is larger than the preset smoke value, the control module controls the rotary power part to rotate, so that the third vent holes in the two sealing plates are staggered with each other, and the second vent holes are communicated with the first vent holes; the control module controls a valve on the gas tank to be opened and controls a valve on the cooling structure to be closed;
when cooling is needed, the third vent holes on the two sealing plates are aligned with each other, and the second vent holes and the first vent holes are staggered with each other; and when the valve on the cooling structure of the control module is opened, the control module controls the valve on the gas tank to be closed.
10. The intelligent switch cabinet for the new energy industry as claimed in claim 9, wherein a plurality of heat pipes are fixedly arranged on the outer peripheral wall of the heat exchange pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211560378.8A CN115579757B (en) | 2022-12-07 | 2022-12-07 | Intelligent switch cabinet for new energy industry |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211560378.8A CN115579757B (en) | 2022-12-07 | 2022-12-07 | Intelligent switch cabinet for new energy industry |
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| CN115579757B CN115579757B (en) | 2023-03-10 |
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| CN202929097U (en) * | 2012-12-11 | 2013-05-08 | 西安优耐达电力技术有限公司 | Switch cabinet monitoring device |
| CN106410635A (en) * | 2016-08-30 | 2017-02-15 | 国网河南省电力公司南阳供电公司 | Method for monitoring temperature of static contact of power switch cabinet |
| CN209015397U (en) * | 2018-11-28 | 2019-06-21 | 李志刚 | A kind of street lamp leakage warning device |
| KR102020035B1 (en) * | 2018-04-09 | 2019-09-10 | 주식회사 이엠아이 | A System for Monitering a Detection of a Temperature or a Leakage with a Smart Passive Sensor Tag |
| CN211264188U (en) * | 2020-03-19 | 2020-08-14 | 湖南光达电力技术有限公司 | Power dispatching data network cabinet |
| CN213633684U (en) * | 2020-11-17 | 2021-07-06 | 常州新电自动化设备有限公司 | Partial discharge and temperature rise online monitoring system for switch cabinet |
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2022
- 2022-12-07 CN CN202211560378.8A patent/CN115579757B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202929097U (en) * | 2012-12-11 | 2013-05-08 | 西安优耐达电力技术有限公司 | Switch cabinet monitoring device |
| CN106410635A (en) * | 2016-08-30 | 2017-02-15 | 国网河南省电力公司南阳供电公司 | Method for monitoring temperature of static contact of power switch cabinet |
| KR102020035B1 (en) * | 2018-04-09 | 2019-09-10 | 주식회사 이엠아이 | A System for Monitering a Detection of a Temperature or a Leakage with a Smart Passive Sensor Tag |
| CN209015397U (en) * | 2018-11-28 | 2019-06-21 | 李志刚 | A kind of street lamp leakage warning device |
| CN211264188U (en) * | 2020-03-19 | 2020-08-14 | 湖南光达电力技术有限公司 | Power dispatching data network cabinet |
| CN213633684U (en) * | 2020-11-17 | 2021-07-06 | 常州新电自动化设备有限公司 | Partial discharge and temperature rise online monitoring system for switch cabinet |
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| CN115579757B (en) | 2023-03-10 |
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