CN116105890A - Colliery is high tension switchgear running temperature distributed optical fiber on-line monitoring device in pit - Google Patents
Colliery is high tension switchgear running temperature distributed optical fiber on-line monitoring device in pit Download PDFInfo
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- CN116105890A CN116105890A CN202310347516.2A CN202310347516A CN116105890A CN 116105890 A CN116105890 A CN 116105890A CN 202310347516 A CN202310347516 A CN 202310347516A CN 116105890 A CN116105890 A CN 116105890A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 8
- 239000013307 optical fiber Substances 0.000 title claims abstract description 8
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 29
- 230000003287 optical effect Effects 0.000 claims abstract description 24
- 238000012544 monitoring process Methods 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims abstract description 13
- 238000010168 coupling process Methods 0.000 claims abstract description 13
- 238000005859 coupling reaction Methods 0.000 claims abstract description 13
- 239000003245 coal Substances 0.000 claims abstract description 12
- 230000008859 change Effects 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 74
- 239000000428 dust Substances 0.000 claims description 46
- 238000004140 cleaning Methods 0.000 claims description 33
- 238000001816 cooling Methods 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 13
- 239000000498 cooling water Substances 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 8
- 239000000779 smoke Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 2
- 238000004891 communication Methods 0.000 claims 1
- 241000237942 Conidae Species 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 description 7
- 230000003068 static effect Effects 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 238000005474 detonation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/45—Collecting-electrodes
- B03C3/47—Collecting-electrodes flat, e.g. plates, discs, gratings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/74—Cleaning the electrodes
- B03C3/743—Cleaning the electrodes by using friction, e.g. by brushes or sliding elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mining & Mineral Resources (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Thermal Sciences (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses an operation temperature distributed optical fiber on-line monitoring device of a coal mine underground high-voltage switch cabinet, and relates to the technical field of temperature monitoring. Including the second baffle, the internal rigid coupling of cabinet has first baffle, the upper portion rigid coupling of first baffle has equidistant busbar contact, the lower part rigid coupling of first baffle has equidistant wire outlet contact, the rear portion rigid coupling of first baffle has the second baffle, cabinet body evenly distributed has the temperature measurement optical cable, the upper end of adjacent temperature measurement optical cable is connected with the transit joint, transit joint passes through the optical cable and is connected with the temperature measurement host computer, the temperature measurement host computer passes through the temperature change of temperature measurement optical cable real-time supervision busbar contact and wire outlet contact, the upside intercommunication of cabinet body has the cone shell, the inside of cone shell is provided with electronic turbofan, the lateral wall of cabinet body is provided with symmetrical venthole. The temperature of the bus contact and the temperature of the outlet contact are monitored in real time by utilizing the temperature measuring optical cable, so that the phenomenon that the normal operation of equipment is influenced due to untimely monitoring of the temperatures of the bus contact and the outlet contact by workers is prevented.
Description
Technical Field
The invention relates to the technical field of temperature monitoring, in particular to an operation temperature distributed optical fiber on-line monitoring device of a coal mine underground high-voltage switch cabinet.
Background
The high-voltage switch cabinet is a complete power distribution device for controlling and protecting lines and equipment, and can cut off and switch on no-load and load currents of the lines and various electrical equipment when the system normally operates, so that the safe and reliable operation of the power system is ensured.
When the high-voltage switch cabinet is used, a worker inserts contacts of the relay protector into a bus contact and an outgoing contact respectively, a large amount of heat can be generated at the positions of the bus contact and the outgoing contact due to long-term high-load operation, if electric fire disaster is caused inside the high-voltage switch cabinet due to untimely heat dissipation, the existing temperature measuring method is to measure the temperature of the high-voltage switch cabinet through the handheld infrared temperature measuring device, errors are easily generated in the temperature measuring process of the infrared temperature measuring device, meanwhile, the temperature of the high-voltage switch cabinet cannot be monitored in real time, the existing high-voltage switch cabinet does not have a heat dissipation function, and heat dissipation of the high-voltage switch cabinet is difficult due to heat dissipation of the external air only through the outer wall of the high-voltage switch cabinet.
Disclosure of Invention
In order to overcome the defects in the background technology, the invention provides the optical fiber on-line monitoring device for the running temperature of the underground high-voltage switch cabinet of the coal mine.
The technical implementation scheme of the invention is as follows: the utility model provides a colliery is high tension switchgear operation temperature distributing type optic fibre on-line monitoring device in pit, including the second baffle, the internal rigid coupling of cabinet has first baffle, the upper portion rigid coupling of first baffle has equidistant busbar contact, the lower part rigid coupling of first baffle has equidistant wire contact, the front side of first baffle is provided with handcart-type circuit breaker, handcart-type circuit breaker's contact respectively with adjacent busbar contact and wire contact cooperation, the rear portion rigid coupling of first baffle has the second baffle, the second baffle separates busbar contact and wire contact, the second baffle is provided with equidistant through-hole, the cabinet body evenly distributed has the temperature measurement optical cable, the temperature measurement optical cable is used for carrying out the temperature measurement to busbar contact and wire contact, the upper end of adjacent temperature measurement optical cable is connected with the transfer joint, the transfer joint is connected with the temperature measurement host computer through the optical cable, the temperature measurement host computer passes through the temperature measurement optical cable real-time monitoring busbar contact and wire contact's temperature variation, the upside of the cabinet body is linked with the cone-shaped shell, the inside of cone-shaped shell is provided with electric turbofan, the lateral wall of cabinet body is provided with symmetrical venthole, the mount is installed to the mount, one side rigid coupling of mount of electric turbofan control module, electric turbofan control module and electric turbofan connection to the side wall of the electric turbofan, the air-type is used for carrying out the dust seal mechanism to the dust in the side of the sealed dust to the side of the main frame, the dust is sealed to the side of the electric turbofan.
Preferably, the dust adsorption mechanism comprises a first fixed shell, the first fixed shell is fixedly connected to the upper portion of the conical shell, the inner wall of the first fixed shell is fixedly connected with a circumferentially equidistant static plate, the static plate of the first fixed shell is electrically connected with a control module, the middle part of the first fixed shell is fixedly connected with a first fixed sleeve, a gap is formed between the first fixed shell and the first fixed sleeve, the inner wall of the first fixed sleeve is rotationally connected with a sealing sleeve, the sealing sleeve and the first fixed sleeve are respectively provided with circumferentially equidistant through holes, the upper portion of the sealing sleeve is slidably connected with a cover plate, the cover plate is used for sealing the gap between the first fixed shell and the first fixed sleeve, the fixing frame is fixedly connected with a first electric push rod electrically connected with the control module, the telescopic end of the first electric push rod is fixedly connected with the cover plate, the upper portion of the sealing sleeve is provided with a switching air inlet assembly, the switching air inlet assembly is used for changing the flow direction of external air, the outer side of the first fixed shell is provided with a cooling and dehumidifying assembly used for cooling the external air, and the outer side of the first fixed sleeve is provided with a cleaning assembly used for cleaning dust adsorbed on the inner wall of the first fixed shell.
Preferably, the switching air inlet assembly comprises a fixed pipe, the fixed pipe is fixedly connected to the upper side of a sealing sleeve, the sealing sleeve is communicated with the fixed pipe, through holes distributed at equal intervals in the circumferential direction are formed in the fixed pipe, a rotating sleeve is connected to the lower portion of the fixed pipe in a rotating mode, the lower end of the rotating sleeve is sealed, an arc-shaped shell distributed at equal intervals in the circumferential direction is communicated with the rotating sleeve, a second fixed shell is connected to the upper portion of the fixed pipe in a rotating mode, the second fixed shell is fixedly connected with a second fixed sleeve in a rotating mode, through holes distributed at equal intervals in the circumferential direction are formed in the second fixed sleeve, the through holes of the fixed pipe are communicated with the through holes of the second fixed sleeve, a first sealing plate is fixedly connected to the inner wall of the second fixed shell through a mounting block, a second sealing plate is fixedly connected to the inner wall of the fixed pipe, fan-shaped through holes distributed at equal intervals in the circumferential direction are formed in the first sealing plate and the second sealing plate in a rotating mode, a toothed ring is fixedly connected to the upper side of the sealing sleeve, a driving motor electrically connected to the fixing frame is fixedly connected to one side of the fixing sleeve, an output shaft of the driving motor is fixedly connected to the toothed ring meshed with the toothed ring, and the inside of the second fixed sleeve is provided with a filter net bag for collecting dust.
Preferably, the cooling and dehumidifying component comprises a shell, the shell is fixedly connected to the outer side of the first fixing shell, a heat exchange tube is wound between the first fixing shell and the shell, a refrigerator electrically connected with the control module is fixedly connected to the upper side of the cabinet body, the heat exchange tube is communicated with the refrigerator, and cooling water circularly flows in the heat exchange tube by the refrigerator.
Preferably, the shell is made of heat-insulating materials and is used for preventing the heat exchange tube from exchanging heat with the outside air.
Preferably, the cleaning assembly comprises a cleaning ring which is slidably connected to the inner wall of the first fixing shell, a second electric push rod electrically connected with the control module is fixedly connected to the fixing frame, the telescopic end of the second electric push rod penetrates through the cover plate and is slidably connected with the cover plate, the telescopic end of the second electric push rod is fixedly connected with the cleaning ring, and a collecting box for collecting dust is fixedly connected to the outer wall of the shell.
Preferably, the upper side of the cleaning ring is inclined to the outside, and the upper side of the cleaning ring is a smooth surface for preventing dust from remaining on the upper side of the cleaning ring.
Preferably, the sealing mechanism comprises symmetrically distributed slide rails fixedly connected to two sides of a through hole of the cabinet body, L-shaped slide plates are slidably connected in the slide rails, slide rods are fixedly connected to the L-shaped slide plates, adjacent slide rods are slidably connected with first slide plates, the first slide plates are used for sealing the through holes of the adjacent cabinet bodies, springs are sleeved on the slide rods, two ends of each spring are fixedly connected to the adjacent L-shaped slide plates and the first slide plates, a third electric push rod electrically connected with the control module is fixedly connected to the cabinet body, the telescopic ends of the third electric push rod are fixedly connected with the adjacent L-shaped slide plates through mounting plates, and connecting rods are fixedly connected between the first slide plates on the upper side and the lower side.
Preferably, the sealing device further comprises a fixing column fixedly connected to the lower portion of the conical shell, and the fixing column is connected with a second sliding plate in a sliding mode and used for sealing the lower portion of the conical shell.
Preferably, the fire extinguisher is fixedly connected to the rear side of the first baffle, the electromagnetic valve electrically connected with the control module is installed at the air outlet hole of the fire extinguisher, and the smoke sensor electrically connected with the control module is fixedly connected to one side of the fire extinguisher.
In summary, the invention has the following advantages:
1. the temperature of the bus contact and the temperature of the outlet contact are monitored in real time by utilizing the temperature measuring optical cable, so that the phenomenon that the normal operation of equipment is influenced due to untimely monitoring of the temperatures of the bus contact and the outlet contact by workers is prevented.
2. The arc-shaped shell enables the outside air to be circumferentially dispersed and contact with the electrostatic plate on the inner wall of the first fixed shell, so that dust in the outside air fully contacts with the electrostatic plate, and the adsorption effect of the electrostatic plate on the dust in the outside air is improved; the electrostatic plate through the inner wall of the first fixed shell adsorbs the dust in the external air, prevents that the dust in the external air from entering into the cabinet body and causing to pile up, seriously influences the normal use of equipment.
3. The cooling water in the heat exchange tube cools down the outside air through the first fixed shell, and the radiating effect of components and parts in the cabinet body is improved.
4. The cleaning ring cleans dust adsorbed on the electrostatic plate and liquid drops on the side wall of the first fixing shell, so that the dust adsorption efficiency of the electrostatic plate and the moisture condensation efficiency of the first fixing shell in humid air are improved.
5. The through hole of the cabinet body is sealed by the first sliding plate, so that oxygen in the outside air is prevented from entering the cabinet body to support combustion in the cabinet body, and combustion in the cabinet body is accelerated.
6. The lower part of the conical shell is sealed through the second sliding plate, so that high-pressure gas generated by deflagration is prevented from upwards impacting, and the electric turbofan is prevented from being damaged.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic side view of the present invention.
FIG. 3 is a schematic cross-sectional perspective view of the cabinet [ H1] of the present invention.
Fig. 4 is a schematic perspective view of the conical shell and the outer shell of the present invention.
Fig. 5 is a schematic cross-sectional perspective view of the cone shell of the present invention.
Fig. 6 is a schematic cross-sectional perspective view of a first stationary housing of the present invention.
Figure 7 is a schematic cross-sectional perspective view of a first gland and a second stationary housing of the present invention.
Fig. 8 is a schematic side perspective view of the rotating sleeve and arcuate shell of the present invention.
Fig. 9 is an enlarged perspective view of the present invention at a.
Fig. 10 is a schematic side perspective view of the sealing mechanism of the present invention.
FIG. 11 is a schematic view of a part of a seal mechanism of the present invention in perspective.
Meaning of reference numerals in the drawings: 101: cabinet, 102: first baffle, 103: busbar contact, 104: outlet contacts, 105: handcart type circuit breaker, 106: second baffle, 107: temperature measurement optical cable, 108: transfer joint, 109: conical shell, 110: electric turbofan, 111: fixing frame, 112: control module, 201: first fixed shell, 202: first fixed cover, 203: sealing sleeve, 204: cover plate, 205: first electric putter, 206: fixed tube, 207: rotating sleeve, 2071: arc shell, 208: second fixed shell, 209: second stationary sleeve, 210: first sealing plate, 211: second seal plate, 212: toothed ring, 213: drive motor, 214: filter string bag, 301: a housing, 302: heat exchange tube, 303: refrigerator, 401: cleaning ring, 402: second electric putter, 403: collection box, 501: slide rail, 502: l-shaped sliding plate, 503: slide bar, 504: first slide plate, 505: spring, 506: third electric putter, 507: connecting rod, 601: fixing column, 602: second slide plate, 701: fire extinguisher, 702: a smoke sensor.
Detailed Description
Reference herein to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Example 1
The device comprises a second baffle 106, a first baffle 102 is fixedly connected in the cabinet 101, three bus contacts 103 are fixedly connected at the upper part of the first baffle 102, three wire outlet contacts 104 are fixedly connected at the lower part of the first baffle 102, a handcart type breaker 105 is arranged at the front side of the first baffle 102, contacts of the handcart type breaker 105 are respectively matched with adjacent bus contacts 103 and wire outlet contacts 104, a second baffle 106 is fixedly connected at the rear part of the first baffle 102, the second baffle 106 is L-shaped, the second baffle 106 separates the bus contacts 103 from the wire outlet contacts 104, the second baffle 106 is provided with equidistant through holes, the through holes of the second baffle 106 are used for enabling outside air to flow in the cabinet 101, optical cables 107 are uniformly distributed in the cabinet 101, the temperature measurement 107 is used for measuring the temperature of the bus contacts 103 and the wire outlet contacts 104, the upper ends of adjacent temperature measuring optical cables 107 are connected with a transit joint 108, the transit joint 108 is connected with a temperature measuring host through an optical cable, the temperature rise causes the refraction angle of laser in the temperature measuring optical cable 107 to change, the temperature measuring host monitors the temperature change of a bus contact 103 and an outgoing contact 104 in real time through the temperature measuring optical cable 107, the temperature measuring optical cable 107 is utilized to monitor the temperature of the bus contact 103 and the outgoing contact 104 in real time, the condition that the temperature monitoring of the bus contact 103 and the outgoing contact 104 is not timely by staff is prevented, the normal operation of equipment is influenced, the upper side of a cabinet body 101 is communicated with a conical shell 109, an electric turbofan 110 is arranged in the conical shell 109, two air outlet holes are arranged on the left side of the cabinet body 101, a fixing frame 111 is arranged on the upper side of the cabinet body 101, a control module 112 is fixedly connected on the right side of the fixing frame 111, the electric turbofan 110 is electrically connected with the control module 112, the control module 112 is electrically connected with the temperature measuring host, the electric turbofan 110 rotates to enable external air to flow into the cabinet body 101, the busbar contact 103 and the outgoing line contact 104 are cooled, the heat dissipation efficiency of the cabinet body 101 is improved, a dust adsorption mechanism for cleaning dust is arranged on the upper portion of the conical shell 109, and a sealing mechanism for sealing through holes in the side walls of the cabinet body 101 is arranged on the left side of the cabinet body.
As shown in fig. 5-8, the dust adsorption mechanism includes a first fixed shell 201, the first fixed shell 201 is fixedly connected to the upper portion of the conical shell 109, the inner wall of the first fixed shell 201 is fixedly connected with static plates distributed at equal intervals in the circumferential direction, the first fixed shell 201 is made of metal, the static plates of the first fixed shell 201 are electrically connected with the control module 112, the static plates of the inner wall of the first fixed shell 201 adsorb dust in the outside air, the dust in the outside air is prevented from entering the cabinet 101 and accumulating, normal use of equipment is seriously affected, a first fixed sleeve 202 is fixedly connected to the middle portion of the first fixed shell 201, a gap is arranged between the first fixed shell 201 and the first fixed sleeve 202, the inner wall of the first fixed sleeve 202 is rotationally connected with a sealing sleeve 203, the sealing sleeve 203 and the first fixed sleeve 202 are all provided with through holes distributed at equal intervals in the circumferential direction, the sealing sleeve 203 is used for sealing the through holes of the first fixed sleeve 202, the upper portion of the sealing sleeve 203 is slidingly connected with a cover 204, the cover 204 is used for sealing the gap between the first fixed shell 201 and the first fixed sleeve 202, the lower side 205 is prevented from entering the cabinet 101 and accumulating, the normal use of equipment is seriously, a gap is influenced, a first fixed sleeve 202 is fixedly connected with the electric sealing sleeve 205, a cooling assembly is arranged at the outer side of the electric sealing sleeve is used for changing the cooling assembly, and the air inlet assembly is fixedly connected with the first fixed assembly is provided with the first fixed assembly, and the first fixed assembly is provided with the air-cooling assembly, and the cooling assembly is used for cooling assembly is fixedly connected with the first air-cooling assembly, and the cooling assembly is provided with the first air assembly, and is fixed assembly, and is used for cooling assembly.
As shown in fig. 6 and 7, the switching air inlet assembly comprises a fixed pipe 206, the fixed pipe 206 is fixedly connected to the upper side of a sealing sleeve 203, the sealing sleeve 203 is communicated with the fixed pipe 206, the fixed pipe 206 is provided with through holes distributed at equal intervals in the circumferential direction, the lower part of the fixed pipe 206 is rotationally connected with a rotating sleeve 207, the lower end of the rotating sleeve 207 is sealed, the rotating sleeve 207 is communicated with five arc shells 2071, air discharged by the arc shells 2071 is dispersed in the circumferential direction and passes through the through holes of a first fixed sleeve 202 and the sealing sleeve 203, the outside air is contacted with an electrostatic plate on the inner wall of the first fixed shell 201, dust in the outside air is fully contacted with the electrostatic plate, the upper part of the fixed pipe 206 is rotationally connected with a second fixed shell 208, the second fixed shell 208 is fixedly connected with a fixed frame 111, the outer side of the fixed pipe 206 is rotationally connected with a second fixed sleeve 209, the second fixed sleeve 209 is provided with through holes distributed at equal intervals in the circumferential direction, the through hole of the fixed pipe 206 is communicated with the through hole of the second fixed sleeve 209, the second fixed sleeve 209 is fixedly connected with the second fixed shell 208 through a mounting block, the inner wall of the second fixed shell 208 is fixedly connected with a first sealing plate 210, the inner wall of the fixed pipe 206 is fixedly connected with a second sealing plate 211, the first sealing plate 210 and the second sealing plate 211 are respectively provided with sector through holes distributed at equal intervals in the circumferential direction, the first sealing plate 210 and the second sealing plate 211 are rotationally connected and in sealing fit, the second sealing plate 211 circumferentially rotates to seal the sector through holes of the second sealing plate 211, so that external air enters the rotating sleeve 207 from the through hole of the fixed pipe 206, a toothed ring 212 is fixedly connected with the upper side surface of the sealing sleeve 203, a driving motor 213 electrically connected with the control module 112 is fixedly connected with the left side of the fixing frame 111, a gear is fixedly connected with an output shaft of the driving motor 213, the gear on the output shaft of the driving motor 213 is meshed with the toothed ring 212, the second fixing case 208 is provided inside with a filter net 214 for filtering and collecting dust, and when outside air enters the rotating sleeve 207 from the upper end of the second fixing case 208, the filter net 214 filters and collects dust in the air.
As shown in fig. 5, the cooling and dehumidifying component comprises a housing 301, the housing 301 is fixedly connected to the outer side of the first fixing shell 201, the housing 301 is made of heat insulation materials, the heat insulation effect of the housing 301 is improved, a heat exchange tube 302 is wound between the first fixing shell 201 and the housing 301, the heat exchange tube 302 is communicated with a refrigerator 303 electrically connected with the control module 112, the refrigerator 303 is fixedly connected to the upper side of the cabinet 101, the refrigerator 303 enables cooling water to circulate in the heat exchange tube 302, the cooling water in the heat exchange tube 302 enables the temperature of the first fixing shell 201 to be reduced, external air contacts the first fixing shell 201, air entering the rotating sleeve 207 is cooled, the heat dissipation effect of components inside the cabinet 101 is improved, and meanwhile, after the external humid air contacts the first fixing shell 201, water molecules in the external air can condense on the inner wall of the first fixing shell 201, the humidity of the external air is reduced, and the humid air is prevented from entering the cabinet 101 to form condensation, so that the electric components are damaged by humidity.
As shown in fig. 6 and 9, the cleaning assembly includes a cleaning ring 401, the cleaning ring 401 is slidably connected to the inner wall of the first fixing shell 201, the upper side surface of the cleaning ring 401 is inclined outwards, dust and condensate which are cleaned down are prevented from flowing into the through hole of the first fixing sleeve 202, the upper side surface of the cleaning ring 401 is a smooth surface, dust is prevented from remaining on the upper side surface of the cleaning ring 401, a second electric push rod 402 which is electrically connected with the control module 112 is fixedly connected to the fixing frame 111, the telescopic end of the second electric push rod 402 passes through the cover plate 204 and is slidably connected with the cover plate 204, the telescopic end of the second electric push rod 402 is in sealing fit with the cover plate 204, the telescopic end of the second electric push rod 402 is fixedly connected with the cleaning ring 401, the cleaning ring 401 slides upwards, dust adsorbed on the electrostatic plate and liquid drops on the side wall of the first fixing shell 201 are cleaned, dust adsorption efficiency of the electrostatic plate and moisture condensation efficiency of the first fixing shell 201 in humid air are improved, a collecting box 403 for collecting dust is fixedly connected to the outer wall of the housing 301, and the collecting box 403 is fixedly connected with the outer wall of the housing 301 for collecting dust.
As shown in fig. 10 and 11, the sealing mechanism includes symmetrically distributed slide rails 501, the symmetrically distributed slide rails 501 are fixedly connected to two sides of the through hole of the cabinet body 101, the slide rails 501 are slidably connected with L-shaped slide plates 502, the L-shaped slide plates 502 are fixedly connected with slide rods 503, adjacent slide rods 503 are slidably connected with first slide plates 504, the right side of each first slide plate 504 is fixedly connected with a rubber sheet for increasing tightness, each first slide plate 504 is used for sealing the through hole of the adjacent cabinet body 101, each first slide plate 504 reseals the through hole of the cabinet body 101, oxygen in the outside air is prevented from entering the cabinet body 101 to support combustion, springs 505 are fixedly connected between the L-shaped slide plates 502 and the first slide plates 504, the springs 505 are sleeved on the slide rods 503, the springs 505 are used for buffering high-pressure air in the cabinet body 101, the telescopic ends of the third electric push rods 506 are fixedly connected with the adjacent L-shaped slide plates 502 through mounting plates, and connecting rods 507 are fixedly connected between the first slide plates 504 on the upper and lower sides.
The staff pushes the handcart-type circuit breaker 105 to the rear side, the contact of handcart-type circuit breaker 105 cooperates with adjacent busbar contact 103 and outgoing line contact 104 respectively, in the use, temperature measurement optical cable 107 carries out adjacent busbar contact 103 and outgoing line contact 104 temperature real-time detection, the temperature that busbar contact 103 and outgoing line contact 104 produced can change the refracting direction of laser in temperature measurement optical cable 107, the temperature measurement host machine carries out calculation according to the refracting angle of laser in temperature measurement optical cable 107, real-time monitoring is carried out to the temperature of busbar contact 103 and outgoing line contact 104, after the temperature measurement host machine detects that busbar contact 103 and outgoing line contact 104 rise in temperature, the temperature measurement host machine can transmit signals to control module 112, control module 112 starts electric turbofan 110, electric turbofan 110 rotates and makes external air get into cabinet body 101, then flow out from the through-hole in cabinet body 101 left side, flowing air reduces the temperature of busbar contact 103 and outgoing line contact 104, avoid busbar contact 103 and outgoing line contact 104 to raise the temperature, cause temperature in cabinet body 101 to influence normal use, when electric turbofan 110 rotates in the process, busbar contact 103 and outgoing line contact 104 are always kept high in temperature, the temperature of busbar contact 103 and outgoing line contact 104 are carried out under the service personnel when the temperature measurement host machine detects that the temperature of busbar contact 104 is high.
In the process of rotating the electric turbofan 110, the control module 112 starts the electrostatic plate on the inner wall of the first fixing shell 201 and the refrigerator 303 at the same time, in the initial state, the through holes of the fixing tube 206 and the second fixing sleeve 209 are in a communicating state, the through holes of the first fixing sleeve 202 and the sealing sleeve 203 are in a communicating state, the fan-shaped through holes of the second sealing plate 211 and the first sealing plate 210 are in a staggered sealing state, the electric turbofan 110 rotates to enable external air to flow into the rotating sleeve 207 from the through holes of the fixing tube 206 and the second fixing sleeve 209, the air entering the rotating sleeve 207 flows outwards along the arc-shaped shell 2071, the air discharged from the arc-shaped shell 2071 is dispersed circumferentially and passes through the through holes of the first fixing sleeve 202 and the sealing sleeve 203, the external air is in contact with the electrostatic plate on the inner wall of the first fixing shell 201, and the electrostatic plate on the inner wall of the first fixing shell 201 adsorbs dust in the external air, so that dust in the external air is prevented from entering the cabinet 101 to be accumulated, and normal use of the equipment is seriously affected.
The air adsorbed by the static plate continuously flows downwards, is discharged into the cabinet body 101 from the lower end of the conical shell 109 to cool, after the refrigerator 303 is started, cooling water in the heat exchange tube 302 flows circularly, the refrigerator 303 cools the cooling water in the heat exchange tube 302, the cooling water in the heat exchange tube 302 reduces the temperature of the first fixing shell 201 in the circulating flow process, after the outside air contacts the cooled first fixing shell 201, the first fixing shell 201 cools the outside air, the heat dissipation effect on components in the cabinet body 101 is improved, meanwhile, after the outside moist air contacts the first fixing shell 201, water molecules in the outside air can be condensed on the inner wall of the first fixing shell 201, the humidity of the outside air is reduced, and the moist air is prevented from entering the cabinet body 101 to form condensation so as to cause the electric elements to be damp and damaged.
When the electrostatic plate needs to be cleaned, the control module 112 starts the driving motor 213, the driving motor 213 drives the toothed ring 212 to rotate through a gear on an output shaft of the driving motor 213, the toothed ring 212 drives the sealing sleeve 203 and the fixing tube 206 to circumferentially rotate, the through hole of the first fixing sleeve 202 and the through hole of the sealing sleeve 203 are dislocated with each other, the sealing sleeve 203 seals the through hole of the first fixing sleeve 202, the through hole of the fixing tube 206 and the through hole of the second fixing sleeve 209 are dislocated with each other, the second fixing sleeve 209 seals the through hole of the fixing tube 206, the second fixing sleeve 209 drives the second sealing plate 211 to rotate, the second sealing plate 211 is communicated with the fan-shaped through hole of the first sealing plate 210, external air flows downwards from the upper end of the second fixing shell 208 and filters and collects dust in the external air through the filter net bag 214, the control module 112 starts the first electric push rod 205, the cover plate 204 is driven to move upwards by the expansion and contraction of the first electric push rod 205, the control module 112 then starts the second electric push rod 402 and closes the electrostatic plate, the expansion and contraction end of the second electric push rod 402 drives the cleaning ring 401 to move upwards, the cleaning ring 401 moves upwards to clean dust adsorbed on the electrostatic plate and liquid drops on the side wall of the first fixed shell 201, the upper side surface of the cleaning ring 401 is arranged to incline outwards, the cleaned dust and condensate are prevented from flowing into the through hole of the first fixed sleeve 202, after the cleaning ring 401 moves to the uppermost part, muddy water impurities on the upper side of the cleaning ring 401 flow downwards along the inclined surface and fall into the collecting box 403 to be collected, the control module 112 then controls the expansion and contraction end of the second electric push rod 402 to move downwards to reset the cleaning ring 401, the dust adsorbed on the electrostatic plate and the liquid drops on the side wall of the first fixed shell 201 are cleaned through the cleaning ring 401, the efficiency of electrostatic plate to dust absorption and the efficiency of first fixed shell 201 to moisture condensation in the humid air have been improved, control module 112 control the flexible end of first electric putter 205 drives apron 204 downwardly moving and resets, control module 112 closes second electric putter 402 and first electric putter 205 and restarts the electrostatic plate, control module 112 control the output shaft reverse rotation of driving motor 213, make fixed pipe 206 reverse rotation reset, the through-hole of fixed pipe 206 and second fixed cover 209 communicate again, the through-hole of first fixed cover 202 and the through-hole intercommunication of seal cover 203, fixed pipe 206 drives the reverse rotation reset of second closing plate 211, make second closing plate 211 seal first closing plate 210, external air is continuous to carry in the cabinet body 101 to the electronic components and parts cooling down from the through-hole of fixed pipe 206 and the through-hole of second fixed cover 209.
When the temperature in the cabinet body 101 is reduced to the normal temperature, the control panel closes the electric turbofan 110, the control module 112 closes the static plate on the inner wall of the first fixing shell 201, and meanwhile, the control module 112 starts the driving motor 213, so that the fixing tube 206 reseals the through hole of the second fixing sleeve 209, and the outside air dust is prevented from entering the cabinet body 101, the control module 112 starts the third electric push rod 506, the telescopic end of the third electric push rod 506 drives the L-shaped sliding plate 502 to move downwards, the two adjacent L-shaped sliding plates 502 drive the first sliding plate 504 through the sliding rod 503 to seal the through hole of the cabinet body 101, the two first sliding plates 504 synchronously move through the connecting rod 507 to prevent the outside air dust from entering the cabinet body 101, after the electrical components in the cabinet body 101 are shorted, the explosion happens in the cabinet body 101, at this moment, the gas pressure in the cabinet body 101 is instantaneously increased, and after the gas pressure in the cabinet body 101 is increased, the gas is discharged outwards from the through hole of the cabinet body 101, the high-pressure gas presses the first sliding plate 504, the first sliding plate 504 and the connecting rod 503 move downwards, the first sliding plate 504 and the sliding plate are driven by the sliding rod 503 to seal the through hole of the adjacent L-shaped sliding plate 502, the first sliding plate 504 is driven by the sliding plate, the first sliding plate 505, the air dust is compressed in the air pressure in the air chamber 101, and the air pressure is prevented from entering the inside the cabinet body 101, and oxygen is periodically and the air is cleaned by the air filter bag, and the air is cleaned after the air is compressed, and the air is compressed.
In the process of cooling the interior of the cabinet 101 by rotating the electric turbofan 110, if the interior of the cabinet 101 suddenly knocks, the control module 112 immediately closes the electric turbofan 110 to stop the external air from continuously conveying into the cabinet 101, and simultaneously, the control module 112 starts the third electric push rod 506 to enable the first sliding plate 504 to seal the through hole on the side wall of the cabinet 101, and simultaneously starts the driving motor 213 to enable the sealing sleeve 203 to seal the through hole of the first fixed sleeve 202, and the fixed pipe 206 seals the through hole of the second fixed sleeve 209 to prevent a large amount of air from entering the cabinet 101 to increase fire.
Example 2
On the basis of embodiment 1, as shown in fig. 6, the electric turbofan device further comprises a fixing column 601, wherein the fixing column 601 is fixedly connected to the lower portion of the conical shell 109, the fixing column 601 is slidably connected with a second sliding plate 602, and when detonation occurs in the cabinet 101, the second sliding plate 602 seals the lower portion of the conical shell 109, so that the electric turbofan 110 is prevented from being damaged due to upward impact of high-pressure gas generated by detonation.
When the detonation occurs in the cabinet 101, the second sliding plate 602 is impacted by the high-pressure air generated in the cabinet 101, the second sliding plate 602 slides upwards along the fixed column 601 and seals the lower portion of the conical shell 109, the electric turbofan 110 is prevented from being damaged due to the upward impact of the high-pressure air generated by the detonation, and after the detonation in the cabinet 101 is finished, the second sliding plate 602 moves downwards along the fixed column 601 to reset.
Example 3
Based on embodiment 2, as shown in fig. 3, the fire extinguisher 701 is fixedly connected to the rear side of the first baffle plate 102, the interior of the fire extinguisher 701 is filled with inert gas for extinguishing fire, an electromagnetic valve electrically connected with the control module 112 is installed at an air outlet hole of the fire extinguisher 701, the inert gas in the fire extinguisher 701 is used for extinguishing fire in the cabinet 101, and a smoke sensor 702 electrically connected with the control module 112 is fixedly connected to the right side of the fire extinguisher 701.
When the electrical components inside the cabinet 101 are naturally high in temperature, the smoke sensor 702 detects that the cabinet 101 generates smoke, the control panel starts the electromagnetic valve at the lower part of the fire extinguisher 701, so that inert gas inside the fire extinguisher 701 fills the interior of the cabinet 101 to prevent fire, and a worker timely breaks the cooperation of the handcart type circuit breaker 105, the bus contact 103 and the wire outlet contact 104 to timely extinguish fire and overhaul the interior of the cabinet 101.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention.
Claims (10)
1. The utility model provides a colliery is high tension switchgear operation temperature distributed optic fibre on-line monitoring device, a serial communication port, including second baffle (106), fixedly connected with first baffle (102) in cabinet body (101), the upper portion rigid coupling of first baffle (102) has equidistant busbar contact (103), the lower part rigid coupling of first baffle (102) has equidistant wire outlet contact (104), the front side of first baffle (102) is provided with handcart type circuit breaker (105), the contact of handcart type circuit breaker (105) cooperates with adjacent busbar contact (103) and wire outlet contact (104) respectively, the rear portion rigid coupling of first baffle (102) has second baffle (106), second baffle (106) separates busbar contact (103) and wire outlet contact (104), second baffle (106) are provided with equidistant through-hole, cabinet body (101) evenly distributed has temperature measurement optical cable (107), the upper end connection of adjacent temperature measurement (107) has transit joint (108) for carrying out the temperature measurement to busbar contact (103) and wire outlet contact (104), transit joint (103) and temperature measurement optical cable (107) change through the temperature measurement contact (103) of temperature measurement housing (101) and temperature measurement cable change on-out real-time taper-phase change optical cable (101), the inside of cone-shaped shell (109) is provided with electronic turbofan (110), the lateral wall of cabinet body (101) is provided with the venthole of symmetry, mount (111) are installed to the upside of cabinet body (101), one side rigid coupling of mount (111) has control module (112), electronic turbofan (110) are connected with control module (112) electricity, control module (112) are connected with the temperature measurement host computer electricity, electronic turbofan (110) rotate and make external air flow to in cabinet body (101), cool down busbar contact (103) and outlet contact (104), the upper portion of cone-shaped shell (109) is provided with the dust adsorption mechanism that is used for clearing up the dust, cabinet body (101) one side is provided with the sealing mechanism who is used for sealing its lateral wall through-hole.
2. The device for on-line monitoring the operation temperature of the underground high-voltage switch cabinet in the coal mine according to claim 1, wherein the dust adsorption mechanism comprises a first fixed shell (201), the first fixed shell (201) is fixedly connected to the upper part of the conical shell (109), an electrostatic plate distributed at equal intervals in the circumferential direction is fixedly connected to the inner wall of the first fixed shell (201), the electrostatic plate of the first fixed shell (201) is electrically connected with the control module (112), a first fixed sleeve (202) is fixedly connected to the middle part of the first fixed shell (201), a gap is arranged between the first fixed shell (201) and the first fixed sleeve (202), a sealing sleeve (203) is rotatably connected to the inner wall of the first fixed sleeve (202), through holes distributed at equal intervals in the circumferential direction are respectively arranged on the sealing sleeve (203) and the first fixed sleeve (202), a cover plate (204) is slidably connected to the upper part of the sealing sleeve (203), the cover plate (204) is used for sealing the gap between the first fixed shell (201) and the first fixed sleeve (202), a first electric push rod (205) electrically connected with the control module (112) is fixedly connected to the middle part of the first fixed shell (201), a first push rod (205) is used for changing the direction of the outside air cooling component, a first push rod (203) is fixedly connected to the outside air cooling component, a cooling component is used for changing the outside air component, a cooling component is switched, and the air component is switched to the outside, and the air component is cooled, the outside of first fixed cover (202) is provided with the clearance subassembly that is used for carrying out the clearance to the dust that first fixed shell (201) inner wall adsorbed.
3. The device for on-line monitoring of the operation temperature of the underground high-voltage switch cabinet in the coal mine according to claim 2, wherein the switching air inlet component comprises a fixed pipe (206), the fixed pipe (206) is fixedly connected to the upper side of the sealing sleeve (203), the sealing sleeve (203) is communicated with the fixed pipe (206), the fixed pipe (206) is provided with through holes distributed at equal intervals in the circumferential direction, the lower part of the fixed pipe (206) is rotationally connected with a rotating sleeve (207), the lower end of the rotating sleeve (207) is sealed, the rotating sleeve (207) is communicated with arc-shaped shells (2071) distributed at equal intervals in the circumferential direction, the upper part of the fixed pipe (206) is rotationally connected with a second fixed shell (208), the second fixed shell (208) is fixedly connected with a fixed frame (111), the outer side of the fixed pipe (206) is rotationally connected with a second fixed sleeve (209), the second fixed sleeve (209) is provided with through holes distributed at equal intervals in the circumferential direction, the through holes of the fixed pipe (206) are communicated with the through holes of the second fixed sleeve (209), the second fixed sleeve (209) is fixedly connected with the second fixed shell (208) through a mounting block, the second fixed sleeve (208) is fixedly connected with the second fixed shell (208) through a second fixed sleeve (208) through a), the first sealing plate (211) is fixedly connected with the second sealing plate (211) at equal intervals, the first sealing plate (210) and the second sealing plate (211) are connected in a rotating mode and are matched in a sealing mode, a toothed ring (212) is fixedly connected to the upper side face of the sealing sleeve (203), a driving motor (213) electrically connected with the control module (112) is fixedly connected to one side of the fixing frame (111), a gear meshed with the toothed ring (212) is fixedly connected to an output shaft of the driving motor (213), and a filter net bag (214) used for filtering and collecting dust is arranged in the second fixing shell (208).
4. The device for on-line monitoring of the operation temperature distribution type optical fiber of the underground high-voltage switch cabinet for the coal mine according to claim 2, wherein the cooling and dehumidifying component comprises a shell (301), the shell (301) is fixedly connected to the outer side of the first fixed shell (201), a heat exchange tube (302) is wound between the first fixed shell (201) and the shell (301), a refrigerator (303) electrically connected with the control module (112) is fixedly connected to the upper side of the cabinet body (101), the heat exchange tube (302) is communicated with the refrigerator (303), and the refrigerator (303) enables cooling water to circularly flow in the heat exchange tube (302).
5. The device for on-line monitoring of the operation temperature of the underground high-voltage switch cabinet in the coal mine according to claim 4, wherein the housing (301) is made of a heat-insulating material for preventing the heat exchange tube (302) from exchanging heat with the outside air.
6. The coal mine underground high-voltage switch cabinet operation temperature distributed optical fiber online monitoring device according to claim 2, wherein the cleaning assembly comprises a cleaning ring (401), the cleaning ring (401) is slidably connected to the inner wall of the first fixing shell (201), a second electric push rod (402) electrically connected with the control module (112) is fixedly connected to the fixing frame (111), the telescopic end of the second electric push rod (402) penetrates through the cover plate (204) and is slidably connected with the cover plate, the telescopic end of the second electric push rod (402) is fixedly connected with the cleaning ring (401), and a collecting box (403) for collecting dust is fixedly connected to the outer wall of the housing (301).
7. The device for on-line monitoring of the operation temperature of the underground coal mine high-voltage switch cabinet according to claim 6, wherein the upper side surface of the cleaning ring (401) is inclined outwards, and the upper side surface of the cleaning ring (401) is a smooth surface for preventing dust from remaining on the upper side surface of the cleaning ring (401).
8. The device for on-line monitoring of the operation temperature distribution type optical fibers of the underground high-voltage switch cabinet in the coal mine according to claim 1, wherein the sealing mechanism comprises symmetrically distributed sliding rails (501), the symmetrically distributed sliding rails (501) are fixedly connected to two sides of a through hole of the cabinet body (101), the sliding rails (501) are slidably connected with L-shaped sliding plates (502), the L-shaped sliding plates (502) are fixedly connected with sliding rods (503), the adjacent sliding rods (503) are slidably connected with first sliding plates (504), the first sliding plates (504) are used for sealing the through holes of the adjacent cabinet bodies (101), springs (505) are sleeved on the sliding rods (503), two ends of each spring (505) are fixedly connected to the adjacent L-shaped sliding plates (502) and the first sliding plates (504), a third electric push rod (506) is fixedly connected with the control module (112) through a mounting plate, and a connecting rod (507) is fixedly connected between the first sliding plates (504) on the upper side and the lower side.
9. The device for on-line monitoring of the operation temperature of the underground high-voltage switch cabinet in the coal mine according to claim 1, further comprising a fixing column (601), wherein the fixing column (601) is fixedly connected to the lower portion of the conical shell (109), the fixing column (601) is slidably connected with a second sliding plate (602), and the second sliding plate (602) is used for sealing the lower portion of the conical shell (109).
10. The device for on-line monitoring of the operation temperature of the underground high-voltage switch cabinet for the coal mine according to claim 1, further comprising a fire extinguisher (701), wherein the fire extinguisher (701) is fixedly connected to the rear side of the first baffle plate (102), an electromagnetic valve electrically connected with the control module (112) is installed at an air outlet hole of the fire extinguisher (701), and a smoke sensor (702) electrically connected with the control module (112) is fixedly connected to one side of the fire extinguisher (701).
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Cited By (1)
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CN116878692A (en) * | 2023-07-17 | 2023-10-13 | 国网黑龙江省电力有限公司营销服务中心 | Electrical measurement contact temperature measuring device and temperature measuring method |
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