CN114498338A - Remote temperature measurement protection system for high-voltage switch cabinet - Google Patents
Remote temperature measurement protection system for high-voltage switch cabinet Download PDFInfo
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- CN114498338A CN114498338A CN202210248442.2A CN202210248442A CN114498338A CN 114498338 A CN114498338 A CN 114498338A CN 202210248442 A CN202210248442 A CN 202210248442A CN 114498338 A CN114498338 A CN 114498338A
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- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 25
- 239000000428 dust Substances 0.000 claims abstract description 74
- 239000004576 sand Substances 0.000 claims abstract description 42
- 238000001816 cooling Methods 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 238000009423 ventilation Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 24
- 239000004065 semiconductor Substances 0.000 claims description 13
- 238000007791 dehumidification Methods 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 9
- 239000002274 desiccant Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000005273 aeration Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000004062 sedimentation Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The application relates to the technical field of electrical equipment, and discloses a high-voltage switch cabinet remote temperature measurement protection system which comprises a cabinet body, a remote temperature measurement unit and a ventilation cooling unit; the remote temperature measurement unit comprises an acquisition module, a control module, a wireless transmission module and a remote terminal, wherein the acquisition module transmits acquired environmental information to the control module, and the control module analyzes and processes the environmental information and sends the environmental information to the remote terminal through the wireless transmission module; the aeration and cooling unit comprises a sand and dust filtering device, an air inlet channel, an air inlet, an air outlet and an air homogenizing device, wherein the air inlet is arranged at the lower part of the side wall of the cabinet body, the air inlet channel is communicated with the air inlet, the sand and dust filtering device comprises a filter screen and a sand and dust settling mechanism, the air homogenizing device is used for forming an S-shaped air channel in the cabinet body, and the air outlet is arranged at the upper part of the side wall of the cabinet body on the opposite side of the air inlet. This application carries out long-range real time monitoring to high tension switchgear internal temperature, can realize having automatic alarm function to the inside quick heat dissipation of high tension switchgear, effectively reduces the potential safety hazard.
Description
Technical Field
The application relates to the technical field of electrical equipment, in particular to a high-voltage switch cabinet remote temperature measurement protection system.
Background
The high-voltage switch cabinet is an electrical device, the external line of the high-voltage switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. The electrical equipment in the high-voltage switch cabinet runs in the closed cabinet body for a long time, and the heat generated by the internal electrical elements is accumulated, so that the temperature in the cabinet body often exceeds the specification, and the safe running of the electrical equipment is seriously influenced. The inside numerous contact points that have of high tension switchgear, long-term operation also can lead to the high temperature of part, oxidation, corruption and the not hard up of connecting bolt to make contact resistance increase, cause some positions abnormal temperature rise of equipment, if not in time handle, accidents such as the burning of equipment, explosion can often take place.
In order to avoid safety accidents caused by heating of electrical equipment, effective ventilation and cooling are needed, but the existing ventilation and cooling devices often bring dust in the air into the cabinet body, so that the safe operation of the electrical equipment is seriously influenced; meanwhile, the equipment management personnel can not know the temperature information of the cabinet body in time, and can not carry out tracking monitoring on the maintenance management of the cabinet body, which often causes minor problems to cause major accidents, so that the real-time detection of the temperature of the high-voltage switch cabinet and the corresponding protection treatment are very necessary.
Disclosure of Invention
In order to guarantee the reliability and the safety of the high-voltage switch cabinet, the uninterrupted monitoring of the temperature in the high-voltage switch cabinet is realized, early warning is carried out in advance, corresponding measures are taken to eliminate hidden dangers, and the operation and maintenance cost of the high-voltage switch cabinet is reduced.
The above application purpose of the present application is achieved by the following technical solutions:
a high-voltage switch cabinet remote temperature measurement protection system comprises a cabinet body, wherein the front side of the cabinet body is rotatably connected with a cabinet door and comprises a remote temperature measurement unit and a ventilation cooling unit; the remote temperature measurement unit comprises an acquisition module, a control module, a wireless transmission module and a remote terminal, wherein the acquisition module comprises an infrared temperature sensor and a humidity sensor which are arranged in a cabinet body, the acquisition module is electrically connected with the control module, the acquisition module transmits the temperature and humidity information in the cabinet body to the control module, and the control module analyzes and processes the received temperature and humidity information and sends the information to the remote terminal through the wireless transmission module.
The aeration cooling unit comprises a sand and dust filtering device, an air inlet channel, an air inlet, an air outlet and an air homogenizing device, wherein the air inlet is formed in the lower part of the side wall of the cabinet body, the air inlet channel is communicated with the air inlet, the sand and dust filtering device comprises a filter screen and a sand and dust settling mechanism, the filter screen is arranged at the inlet of the air inlet channel, the sand and dust settling mechanism is arranged at the bottom of the air inlet channel, the air homogenizing device is used for forming an S-shaped air channel in the cabinet body, and the air outlet is formed in the upper part of the side wall of the cabinet body on the opposite side of the air inlet.
The control module is used for judging whether the received temperature information exceeds a set first threshold or a second threshold, the second threshold is larger than the first threshold, if the temperature value exceeds the set first threshold, the air evening device is started, and if the temperature value exceeds the second threshold, the control module sends alarm information to the remote terminal.
By adopting the technical scheme, the remote temperature measuring unit can send the environmental information in the cabinet body to the control module and send the environmental information to the remote terminal through the wireless transmission module; the aeration cooling unit can remove dust and filter the air that gets into the cabinet body and form S-shaped wind channel, improves the cooling effect of the cabinet body, guarantees the safe operation of the internal electrical equipment of cabinet.
Preferably, the air-homogenizing device comprises a fan set, the fan set comprises an air inlet fan, a first air-homogenizing fan, a second air-homogenizing fan and an exhaust fan, the air inlet fan is arranged at the air inlet, the first air-homogenizing fan is arranged on the opposite side wall of the cabinet body of the air inlet fan, the second air-homogenizing fan is arranged on the side wall of the cabinet body above the air inlet fan, and the exhaust fan is arranged at the air outlet; the air supply direction of the inlet fan is inclined downwards towards the bottom plate of the cabinet body, the air supply direction of the first uniform fan is inclined upwards towards the second uniform fan, the air supply direction of the second uniform fan is inclined upwards towards the top plate of the cabinet body, and the inlet fan, the cabinet body bottom plate, the first uniform fan, the second uniform fan, the cabinet body top plate and the exhaust fan form an S-shaped air channel for entering air in the cabinet body.
By adopting the technical scheme, the fan set enables air in the cabinet body to form the S-shaped air channel, so that the smoothness of air flow in the cabinet body is ensured, the condition that local air flow is not smooth to cause overhigh temperature is avoided, and the working reliability of the electrical equipment is improved.
Preferably, a cooling box is arranged between the air inlet and the air inlet fan, one side of the cooling box is communicated with the air inlet, the other side of the cooling box is connected with the air inlet fan, the inside of the cooling box is fixedly connected with a semiconductor refrigerator opposite to the air inlet, an air flow channel is arranged between the semiconductor refrigerator and the inner wall of the cooling box, and the semiconductor refrigerator is electrically connected with the control module.
Through adopting above-mentioned technical scheme, the semiconductor cooler that inside fixed connection of cooler bin is relative with the air intake can reduce the temperature that gets into the internal air of cabinet, reaches better cooling effect.
Preferably, the dust settling mechanism comprises a settling cylinder below the air inlet channel, the upper opening of the settling cylinder is communicated with the air inlet channel, the settling cylinder is connected with a sliding plate capable of moving up and down in a sealing and sliding manner, the lower opening of the settling cylinder is fixedly connected with the support frame, the lower end of the sliding plate is fixedly connected with a screw rod, the screw rod is sleeved with a spring and penetrates through the support frame, and the lower end of the screw rod is connected with an adjusting nut.
By adopting the technical scheme, after a certain amount of sand dust falling onto the sliding plate is accumulated, the weight of the sand dust is greater than the elastic force of the spring, the sliding plate slides downwards, a gap is formed between the outer edge of the sliding plate and the lower opening of the sedimentation cylinder, the sand dust flows out from the gap, the automatic cleaning of the sand dust in the sedimentation cylinder is realized, and the maintenance work of dust removal is reduced.
Preferably, be equipped with the drainage plate in the inlet air duct, the drainage plate includes first drainage plate and second drainage plate, first drainage plate sets up the import one side that is close to inlet air duct in the inboard bottom of inlet air duct, first drainage plate is along air inlet direction tilt up, the export that is close to inlet air duct at the inboard top of passageway is set up to the second drainage plate, the reverse downward sloping setting of air inlet direction is followed to the second drainage plate.
Through adopting above-mentioned technical scheme, inlet air channel's air and first drainage plate flow to inlet air channel's top, and after meetting the second drainage plate, tiny sand and dust in the air then falls into a section of thick bamboo that subsides under the blockking of second drainage plate to reach sand and dust filter effect.
Preferably, the top of the air inlet channel is arranged between the first drainage plate and the second drainage plate and is provided with a dehumidification box, the dehumidification box is slidably inserted along the side part of the air inlet channel, a drying agent is arranged in the dehumidification box, and a plurality of air holes are formed in the bottom of the dehumidification box.
By adopting the technical scheme, the dehumidification box can dry the air flowing through the air inlet channel, effectively control the humidity of the air entering the cabinet body and ensure the reliable operation of electrical equipment; the dehumidification box is inserted along the side part of the air inlet channel in a sliding mode, and drying agents in the dehumidification box can be replaced conveniently.
Preferably, the outer edge of the sliding plate is circumferentially provided with a conical landslide protruding towards the center, the edge of the sliding plate is provided with opposite sliding strips, the sliding strips extend upwards perpendicular to the sliding plate, and the inner wall of the sedimentation cylinder is provided with a sliding groove matched with the sliding strips.
Through adopting above-mentioned technical scheme, the slide outer fringe is equipped with the toper landslide to the uplift of central authorities along circumference, the landing of the sand and dust of being convenient for, and the draw runner slides in the spout and can drives the upper and lower slip of slide, when the slide slides and leads below the under shed that subsides a section of thick bamboo, because the draw runner is still in the spout, has guaranteed that the slide forms the clearance that supplies the sand and dust to flow with the under shed that subsides a section of thick bamboo, can play the transverse orientation to the slide again, has guaranteed the gliding stability of slide.
Preferably, the upper opening of the settling cylinder is connected with a bowl-shaped cover body, a sand and dust leakage opening is formed in the middle of the cover body, a transverse pipe extending in the transverse direction is communicated below the sand and dust leakage opening, and the transverse pipe is bent downwards.
Through adopting above-mentioned technical scheme, can reduce the impact of the air in the inlet air duct to the slide, avoid the air to flow from the clearance that appears between slide and the section of thick bamboo of subsiding, guarantee that the air in the inlet air duct is whole to get into the cabinet body.
Preferably, a dust removal mechanism is arranged in the cabinet body, and the dust removal mechanism comprises a driving roller, a driven roller, a driving motor, a conveying belt and an activated carbon layer; the driving roll sets up at cabinet body inboard top, the driving roll is connected with the driving motor who fixes on the cabinet body, the driven voller is located the air exit top of the external side of cabinet, the driven voller passes through connecting piece and cabinet body coupling, pass through the conveyer belt transmission between driving roll and the driven voller, cabinet side wall is equipped with the notch that supplies the conveyer belt to pass through, the connection can be dismantled at the conveyer belt surface on the active carbon layer, cabinet body top rotates and connects the access cover, the access cover is corresponding with the conveyer belt, driving motor electricity connection control module.
By adopting the technical scheme, the dust removal mechanism can adsorb dust in the high-voltage switch cabinet, so that the purpose of dust removal is achieved, the interior of the cabinet body is kept clean, and the safe operation of electrical equipment in the high-voltage switch cabinet is ensured; through the arrangement of the access cover, the active carbon layer can be conveniently detached and replaced by an access worker; the control module can realize the regular dust removal of the dust removal mechanism.
Preferably, the driven roller top is equipped with the protection casing of being connected with cabinet body side wall, protection casing length slightly is greater than the conveyer belt width, the protection casing front side is the downwarping, its length direction fixed connection brush is followed to the protection casing inboard of driven roller front side, the brush head and the conveyer belt counterbalance of brush.
Through adopting above-mentioned technical scheme, the brush can clear away the dust that adheres to on the activated carbon layer, improves dust removal effect, prolongs the life on activated carbon layer.
To sum up, the beneficial technical effect of this application does:
by arranging the sand and dust filtering mechanism, sand particles in the air can be effectively filtered, sand and dust in the settling cylinder can be automatically cleaned, and the cleanness of the air in the high-voltage cabinet body is ensured; the air-homogenizing device can realize the smoothness of air flow in the cabinet body, avoid the situation of overhigh temperature caused by unsmooth local air flow and improve the working reliability of electrical equipment; the dust removal mechanism can regularly adsorb the dust in the high-voltage switch cabinet, so that the cleanness of the interior of the cabinet body is kept.
Drawings
FIG. 1 is a schematic structural diagram of the present application;
FIG. 2 is a schematic illustration of the cross-sectional structure of the present application;
FIG. 3 is a schematic view of the structure of the sand filter apparatus of the present application;
FIG. 4 is a block diagram of a remote temperature measurement unit according to the present application.
Figure 1, cabinet; 11. a cabinet door; 2. a remote temperature measuring unit; 21. an acquisition module; 22. a control module; 23. a wireless transmission module; 24. a remote terminal; 3. a ventilation cooling unit; 31. a dust filtration device; 311. a filter screen; 312. a sand settling mechanism; 3121. a settling cylinder; 3122. a slide plate; 3123. a support frame; 3124. a screw; 3125. a spring; 3126. landslide; 3127. a slide bar; 3128. a cover body; 3129. a transverse tube; 32. an air inlet channel; 321. a first drainage plate; 322. a second drainage plate; 33. an air inlet; 34. an air outlet; 35. a wind evening device; 351. a fan inlet; 352. a first uniform fan; 353. a second uniform fan; 354. an exhaust fan; 4. a cooling tank; 41. a semiconductor refrigerator; 5. a dehumidification box; 6. a dust removal mechanism; 61. a drive roll; 62. a driven roller; 63. a conveyor belt; 64. a notch; 65. an access cover; 66. a protective cover; 67. and a brush.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
As shown in figure 1, the high-voltage switch cabinet remote temperature measurement protection system comprises a cabinet body 1, wherein a cabinet door 11 is rotatably connected to the front side of the cabinet body 1, the cabinet door 11 forms a closed space for mounting electrical equipment with the cabinet body 1, and the closed space comprises a remote temperature measurement unit 2 and a ventilation cooling unit 3.
As shown in fig. 2 and 3, the aeration cooling unit 3 includes a dust filter 31, an air inlet channel 32, an air inlet 33, an air outlet 34 and an air uniformizing device 35, the air inlet 33 is disposed at the lower portion of the side wall of the cabinet 1, the air inlet channel 32 is communicated with the air inlet 33, the dust filter 31 includes a filter screen 311 and a dust settling mechanism 312, the filter screen 311 is disposed at the inlet of the air inlet channel 32, the filter screen 311 can primarily filter large particles of dust, the dust settling mechanism 312 is disposed at the bottom of the air inlet channel 32 and can further filter fine particles of dust, so as to ensure the cleanness of air entering the cabinet 1 and improve the reliability of the operation of the electrical equipment in the cabinet 1; the air uniformizing device 35 is used for forming an S-shaped air channel in the cabinet body 1, and the air outlet 34 is arranged at the upper part of the side wall of the cabinet body 1 at the opposite side of the air inlet 33; the air-homogenizing device 35 makes the air entering the cabinet 1 flow smoothly, so as to avoid the situation of overhigh temperature caused by the unsmooth flow of local air.
As shown in fig. 4, remote temperature measurement unit 2 includes collection module 21, control module 22, wireless transmission module 23 and remote terminal 24, collection module 21 is including setting up infrared temperature sensor and the humidity transducer in the cabinet body 1, infrared temperature sensor and humidity transducer can set up in the internal portion of cabinet, in, down, collection module 21 electricity connection control module 22, collection module 21 is with the internal temperature of cabinet, humidity information sends control module 22 to, control module 22 carries out analysis processes and sends for remote terminal 24 through wireless transmission module 23 to the temperature information of receiving.
The control module 22 is configured to determine whether the received temperature information exceeds a set first threshold or a second threshold, where the second threshold is greater than the first threshold, start the wind uniforming device 35 if the temperature value exceeds the set first threshold, and send alarm information to the remote terminal 24 if the temperature value exceeds the second threshold.
The remote control terminal can be an electronic device such as a mobile phone and a palm computer. It can compare collection module 21 numerical value, if temperature value, humidity value exceed and set for the threshold value, when exceeding and set for the threshold value, then indicate that high tension switchgear is inside to have taken place danger, should report to the police to the suggestion user. The remote terminal can set the threshold value correspondingly according to seasons and actual conditions.
Specifically, when the temperature value acquired by the infrared temperature sensor exceeds a set first temperature threshold, the control module 22 controls the fan set to start, so as to ventilate and cool the cabinet 1; when the temperature value collected by the infrared temperature sensor exceeds the set second temperature threshold value, the second temperature threshold value is larger than the first temperature threshold value, the control module 22 sends temperature information and alarm information to the remote terminal, and related personnel are prompted to process in time.
As shown in fig. 2, the air uniformizing device 35 of the present embodiment includes a fan set, and the fan set may include a plurality of fans according to the size of the space of the cabinet 1, and the fan set of the present embodiment includes an air inlet fan 351, a first air uniformizing fan 352, a second air uniformizing fan 353 and an air outlet fan 354, the air inlet fan 351 is disposed at the air inlet 33, the first air uniformizing fan 352 is disposed on the opposite side wall of the cabinet 1 of the air inlet fan 351, the second air uniformizing fan 353 is disposed on the side wall of the cabinet 1 above the air inlet fan 351, and the air outlet fan 354 is disposed at the air outlet 34. The air supply direction of the air inlet fan 351 is obliquely downward towards the bottom plate of the cabinet 1, the air supply direction of the first uniform fan 352 is obliquely upward towards the second uniform fan 353, and the air supply direction of the second uniform fan 353 is obliquely upward towards the top plate of the cabinet 1; the air entering the cabinet body is formed into an S-shaped air channel by the air inlet fan, the cabinet body bottom plate, the first uniform fan, the second uniform fan, the cabinet body top plate and the exhaust fan. Specifically, the outside air is sucked into the cabinet 1 by the air inlet fan 351 through the air inlet channel 32, the air sucked by the air inlet fan 351 is blown to the bottom plate of the cabinet 1, the blown air rebounds to the first uniform fan 352 by the bottom plate of the cabinet 1, the rebounded air of the bottom plate of the cabinet 1 is sent to the second uniform fan 353 by the first uniform fan 352, the blown air sent by the first uniform fan 352 is blown to the top plate of the cabinet 1 by the second uniform fan 353, and the blown air sent by the second uniform fan 353 is rebounded to the air outlet 34 by the top plate of the cabinet 1 and is sent out of the cabinet 1 by the exhaust fan 354. The S-shaped air channel (shown by dotted lines in the figure) in the cabinet body 1 enables air entering the cabinet body 1 to pass through each corner of the cabinet body 1, so that the cooling balance of the cabinet body 1 is ensured, and the operation reliability of the electrical equipment in the cabinet body 1 is improved.
As shown in fig. 3, in order to improve the cooling effect of the cabinet 1, in an embodiment, a cooling box 4 is disposed between the air inlet 33 and the air inlet fan 351, one side of the cooling box 4 is communicated with the air inlet 33, the other side of the cooling box 4 is connected to the air inlet fan 351, a semiconductor cooler 41 opposite to the air inlet 33 is fixedly connected inside the cooling box 4, an air flow channel is disposed between the semiconductor cooler 41 and the inner wall of the cooling box 4, and the semiconductor cooler 41 is electrically connected to the control module. Air entering from the air inlet 33 meets the semiconductor cooler 41 and is rapidly cooled, and cold air is sucked into the cabinet body 1 by the air inlet fan 351 through an air flow channel between the semiconductor cooler 41 and the inner wall of the cooling box 4, so that air flowing in the cabinet body 1 can rapidly cool electrical equipment, and the cooling efficiency is improved.
As shown in fig. 3, the dust settling mechanism 312 of this embodiment includes a settling cylinder 3121 below the air intake passage 32, the settling cylinder 3121 may be a circular or square cylinder, an upper opening of the settling cylinder 3121 is communicated with the air intake passage 32, the settling cylinder 3121 is hermetically and slidably connected with a sliding plate 3122 capable of moving up and down, a lower opening of the settling cylinder 3121 is fixedly connected with a support frame 3123, a lower end of the sliding plate 3122 is fixedly connected with a screw 3124, the screw 3124 is sleeved with a spring 3125 and penetrates through the support frame 3123, the screw 3124 at the lower end of the screw 3124 is connected with an adjusting nut, by adjusting the position of the adjusting nut on the screw 3124, the elastic force of the spring 3125 and the position relationship between the sliding plate 3122 and the sedimentation cylinder 3121 can be adjusted, so that in the natural state, the outer edge of the sliding plate 3122 is hermetically connected with the sedimentation cylinder 3121, so as to prevent unfiltered air from entering the cabinet 1, in order to prevent the filter screen 311 from accumulating large particles of dust, the filter screen 311 is inclined outward from the bottom to the top.
The outer edge of the sliding plate 3122 is provided with a conical slide slope 3126 protruding towards the center along the circumferential direction, the edge of the sliding plate 3122 is provided with a pair of opposite slide strips 3127, the slide strips 3127 extend upwards perpendicular to the sliding plate 3122, and the inner wall of the sedimentation cylinder 3121 is provided with a sliding groove matched with the slide strips 3127. When sand and dust on the landslide 3126 is accumulated more, because the gravity of the sand and dust is greater than the elastic force of the spring 3125, the slide strip 3127 moves downwards along the chute of the settling cylinder 3121 until a passage gap through which the sand and dust flows out is formed between the slide plate 3122 and the lower opening of the settling cylinder 3121, and automatic discharge of the sand and dust is realized.
The upper opening of the settling cylinder 3121 is connected with a bowl-shaped cover 3128, the middle part of the cover 3128 is provided with a sand and dust leakage port, a transverse pipe 3129 extending transversely is communicated below the sand and dust leakage port, and the transverse pipe 3129 is bent downwards. The sand and dust entering the cover 3128 slides to the sand and dust leakage opening by gravity, enters the horizontal tube 3129 through the sand and dust leakage opening, slides out to both sides along the horizontal tube 3129, and falls into the sliding plate 3122. When the pressure in the air inlet passage 32 is relatively high, the pressure of air on the sliding plate 3122 is greatly reduced due to the blocking of the cover 3128 and the transverse pipe 3129, and a gap between the sliding plate 3122 and the sedimentation cylinder 3121 is avoided, so that the air entering the air inlet passage 32 completely enters the cabinet 1.
As shown in fig. 3, in order to make the smaller particles of dust and sand smoothly enter the settling cylinder 3121, in an embodiment, a flow guide plate is arranged in the air inlet channel 32, the flow guide plate includes a first flow guide plate 321 and a second flow guide plate 322, the first flow guide plate 321 is arranged at one side of the bottom of the inner side of the air inlet channel 32 close to the inlet of the air inlet channel 32, the first flow guide plate 321 inclines upward along the air inlet direction, the second flow guide plate 322 is arranged at the top of the inner side of the channel close to the outlet of the air inlet channel 32, and the second flow guide plate 322 inclines downward along the air inlet direction. Air entering from the air inlet passage 32 flows towards the top of the air inlet passage 32 through the drainage of the first drainage plate 321, when the air meets the second drainage plate 322, fine sand in the air is blocked by the second drainage plate 322 and falls into the sliding plate 3122 in the sedimentation cylinder 3121, when the weight of sand and dust in the sliding plate 3122 is greater than the elastic force of the spring 3125, the sliding plate 3122 slides downwards, a gap is formed between the outer edge of the sliding plate 3122 and the lower opening of the sedimentation cylinder 3121, the sand and dust on the sliding plate 3122 flows out from the gap, and after the sand and dust on the sliding plate 3122 flows out, the sliding plate 3122 slides upwards under the action of the spring 3125, so that the sliding plate 3122 is in sealing connection with the sedimentation cylinder 3121.
As shown in fig. 2 and 3, in order to keep the air entering the cabinet 1 dry, in an embodiment, a dehumidifying box 5 is disposed at the top of the air inlet channel 32 between the first and second flow guiding plates 321 and 322, the dehumidifying box 5 is slidably inserted along the side of the air inlet channel 32, a drying agent is disposed in the dehumidifying box 5, and a plurality of air holes are disposed at the bottom of the dehumidifying box 5. After the air in the air inlet channel 32 and the first drainage plate 321 flow toward the dehumidifying box 5, the drying agent in the dehumidifying box 5 can dry the space entering the cabinet body 1, thereby ensuring the safe operation of the electrical equipment. When the humidity value collected by the humidity sensor is greater than the set humidity threshold value, the control module 22 sends the humidity information and the alarm information to the remote terminal 24 to prompt relevant personnel to replace the drying agent in time.
As shown in fig. 2, in an embodiment, a dust removing mechanism 6 is arranged in the cabinet 1, and the dust removing mechanism 6 includes a driving roller 61, a driven roller 62, a driving motor, a conveyor belt 63 and an activated carbon layer; drive roll 61 sets up at the inboard top of the cabinet body 1, drive roll 61 is connected with the driving motor who fixes on the cabinet body 1, driven voller 62 is located the air exit 34 top in the cabinet body 1 outside, driven voller 62 passes through the connecting piece and is connected with the cabinet body 1, pass through conveyer belt 63 transmission between drive roll 61 and the driven voller 62, the lateral wall of cabinet body 1 is equipped with the notch 64 that supplies conveyer belt 63 to pass through, the connection can be dismantled on conveyer belt 63 surface on the activated carbon layer, the activated carbon layer can adopt the connected mode that the magic was pasted to be connected with conveyer belt 63, for the ease of changing the activated carbon layer, cabinet body 1 top is rotated and is connected access cover 65, access cover 65 is corresponding with conveyer belt 63, driving motor electricity connection control module 22. The control module 22 can set the working time interval and working duration of the driving motor, so as to realize the periodic dust removal of the cabinet body 1. Through dust removal mechanism 6, can realize adsorbing the inside dust of high tension switchgear, reach the dust removal purpose, keep the inside cleanness of the cabinet body 1, guarantee the electrical equipment safe operation in the high tension switchgear.
In another embodiment, as shown in fig. 3, a protective cover 66 connected with the side wall of the cabinet 1 is arranged above the driven roller 62, the length of the protective cover 66 is slightly larger than the width of the conveyor belt 63, the front side of the protective cover 66 is bent downwards, a brush 67 is fixedly connected with the inner side of the protective cover 66 at the front side of the driven roller 62 along the length direction, and the brush head of the brush 67 is abutted against the conveyor belt 63. When driving motor drove drive roll 61 anticlockwise rotation, can drive conveyer belt 63 anticlockwise rotation in step, brush 67 can clear away absorbent dust on the activated carbon layer, reaches better dust removal effect, prolongs the life on activated carbon layer.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A remote temperature measurement protection system of a high-voltage switch cabinet comprises a cabinet body (1), wherein the front side of the cabinet body (1) is rotatably connected with a cabinet door (11), and is characterized by comprising a remote temperature measurement unit (2) and a ventilation cooling unit (3); the remote temperature measurement unit (2) comprises an acquisition module (21), a control module (22), a wireless transmission module (23) and a remote terminal (24), wherein the acquisition module (21) comprises an infrared temperature sensor and a humidity sensor which are arranged in the cabinet body (1), the acquisition module (21) is electrically connected with the control module (22), the acquisition module (21) transmits temperature and humidity information in the cabinet body (1) to the control module (22), and the control module (22) analyzes and processes the received temperature and humidity information and sends the information to the remote terminal (24) through the wireless transmission module (23);
the ventilating and cooling unit (3) comprises a sand and dust filtering device (31), an air inlet channel (32), an air inlet (33), an air outlet (34) and an air homogenizing device (35), wherein the air inlet (33) is arranged at the lower part of the side wall of the cabinet body (1), the air inlet channel (32) is communicated with the air inlet (33), the sand and dust filtering device (31) comprises a filter screen (311) and a sand and dust settling mechanism (312), the filter screen (311) is arranged at the inlet of the air inlet channel (32), the sand and dust settling mechanism (312) is arranged at the bottom of the air inlet channel (32), the air homogenizing device (35) is used for forming an S-shaped air channel in the cabinet body (1), and the air outlet (34) is arranged at the upper part of the side wall of the cabinet body (1) on the opposite side of the air inlet (33);
the control module (22) is used for judging whether the received temperature information exceeds a set first threshold or a second threshold, the second threshold is larger than the first threshold, if the temperature value exceeds the set first threshold, the air evening device (35) is started, and if the temperature value exceeds the second threshold, the control module (22) sends alarm information to the remote terminal (24).
2. The high-voltage switch cabinet remote temperature measurement protection system according to claim 1, wherein the air-homogenizing device (35) comprises a fan set, the fan set comprises an air inlet fan (351), a first air-homogenizing fan (352), a second air-homogenizing fan (353) and an exhaust fan (354), the air inlet fan (351) is arranged at the air inlet (33), the first air-homogenizing fan (352) is arranged on the side wall of the cabinet body (1) opposite to the air inlet fan (351), the second air-homogenizing fan (353) is arranged on the side wall of the cabinet body (1) above the air inlet fan (351), and the exhaust fan (354) is arranged at the air outlet (34); the air supply direction of the air inlet fan (351) is obliquely downward towards the bottom plate of the cabinet body (1), the air supply direction of the first uniform fan (352) is obliquely upward towards the second uniform fan (353), the air supply direction of the second uniform fan (353) is obliquely upward towards the top plate of the cabinet body (1), and the air inlet fan (351), the bottom plate of the cabinet body (1), the first uniform fan (352), the second uniform fan (353), the top plate of the cabinet body (1) and the exhaust fan (354) form an S-shaped air channel for air entering the cabinet body (1).
3. The high-voltage switch cabinet remote temperature measurement protection system according to claim 2, wherein a cooling box (4) is arranged between the air inlet (33) and the air inlet fan (351), one side of the cooling box (4) is communicated with the air inlet (33), the other side of the cooling box (4) is connected with the air inlet fan (351), the inside of the cooling box (4) is fixedly connected with a semiconductor refrigerator (41) opposite to the air inlet (33), an air flow channel is arranged between the semiconductor refrigerator (41) and the inner wall of the cooling box (4), and the semiconductor refrigerator (41) is electrically connected with the control module (22).
4. The high-voltage switch cabinet remote temperature measurement protection system according to claim 1, wherein the dust settling mechanism (312) comprises a settling cylinder (3121) below the air intake passage (32), an upper opening of the settling cylinder (3121) is communicated with the air intake passage (32), the settling cylinder (3121) is hermetically and slidably connected with a sliding plate (3122) capable of moving up and down, a lower opening of the settling cylinder (3121) is fixedly connected with a support frame (3123), a lower end of the sliding plate (3122) is fixedly connected with a screw rod (3124), a spring (3125) is sleeved on the screw rod (3124) and penetrates through the support frame (3123), and the screw rod (3124) at the lower end of the screw rod (3124) is connected with an adjusting nut.
5. The high-voltage switch cabinet remote temperature measurement protection system according to claim 4, wherein a flow guide plate is arranged in the air inlet channel (32), the flow guide plate comprises a first flow guide plate (321) and a second flow guide plate (322), the first flow guide plate (321) is arranged at one side of the inner bottom of the air inlet channel (32) close to the inlet of the air inlet channel (32), the first flow guide plate (321) inclines upwards along the air inlet direction, the second flow guide plate (322) is arranged at the top of the inner side of the channel close to the outlet of the air inlet channel (32), and the second flow guide plate (322) inclines downwards along the air inlet direction.
6. The high-voltage switch cabinet remote temperature measurement protection system according to claim 5, wherein a dehumidification box (5) is arranged between the first drainage plate (321) and the second drainage plate (322) at the top of the air inlet channel (32), the dehumidification box (5) is slidably inserted along the side portion of the air inlet channel (32), a drying agent is arranged in the dehumidification box (5), and a plurality of air holes are formed in the bottom of the dehumidification box (5).
7. The high-voltage switch cabinet remote temperature measurement protection system according to claim 4, wherein the outer edge of the sliding plate (3122) is provided with a conical sliding slope (3126) which bulges towards the center along the circumferential direction, the edge of the sliding plate (3122) is provided with an opposite sliding strip (3127), the sliding strip (3127) extends upwards perpendicular to the sliding plate (3122), and the inner wall of the settling barrel (3121) is provided with a sliding groove which is matched with the sliding strip (3127).
8. The high-voltage switch cabinet remote temperature measurement protection system according to claim 4, wherein the upper opening of the settling cylinder (3121) is connected with a bowl-shaped cover (3128), a sand and dust leakage port is arranged in the middle of the cover (3128), a transverse pipe (3129) extending in the transverse direction is communicated below the sand and dust leakage port, and the transverse pipe (3129) is bent downwards.
9. The high-voltage switch cabinet remote temperature measurement protection system according to claim 1, wherein a dust removal mechanism (6) is arranged in the cabinet body (1), and the dust removal mechanism (6) comprises a driving roller (61), a driven roller (62), a driving motor, a conveyor belt (63) and an activated carbon layer; drive roll (61) set up at cabinet body (1) inboard top, drive roll (61) are connected with the driving motor who fixes on the cabinet body (1), driven voller (62) are located air exit (34) top in the cabinet body (1) outside, driven voller (62) are connected with the cabinet body (1) through the connecting piece, through conveyer belt (63) transmission between drive roll (61) and driven voller (62), cabinet body (1) lateral wall is equipped with notch (64) that supply conveyer belt (63) to pass through, the connection can be dismantled on conveyer belt (63) surface on the activated carbon layer, cabinet body (1) top is rotated and is connected access cover (65), access cover (65) are corresponding with conveyer belt (63), driving motor electricity connection control module (22).
10. The high-voltage switch cabinet remote temperature measurement protection system according to claim 9, wherein a protective cover (66) connected with the side wall of the cabinet body (1) is arranged above the driven roller (62), the length of the protective cover (66) is slightly larger than the width of the conveyor belt (63), the front side of the protective cover (66) is bent downwards, a brush (67) is fixedly connected to the inner side of the protective cover (66) at the front side of the driven roller (62) along the length direction of the inner side, and the brush head of the brush (67) abuts against the conveyor belt (63).
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| CN202210248442.2A CN114498338B (en) | 2022-03-14 | 2022-03-14 | Remote temperature measurement protection system of high-voltage switch cabinet |
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| CN114498338B CN114498338B (en) | 2024-09-03 |
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| CN114498338B (en) | 2024-09-03 |
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Effective date of registration: 20221128 Address after: Room 127, building 6, No. 91, fahuasi street, Dongcheng District, Beijing 100010 Applicant after: Shuifa Lvjian (Beijing) urban Technology Development Co.,Ltd. Applicant after: Shuifa Xingye energy (Zhuhai) Co.,Ltd. Address before: Room 127, building 6, No. 91, fahuasi street, Dongcheng District, Beijing 100010 Applicant before: Shuifa Lvjian (Beijing) urban Technology Development Co.,Ltd. |
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