CN112423502B - Intelligent monitoring device and monitoring method for electric power system - Google Patents
Intelligent monitoring device and monitoring method for electric power system Download PDFInfo
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- CN112423502B CN112423502B CN202011242212.2A CN202011242212A CN112423502B CN 112423502 B CN112423502 B CN 112423502B CN 202011242212 A CN202011242212 A CN 202011242212A CN 112423502 B CN112423502 B CN 112423502B
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- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
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- 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
- G01K11/02—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using evaporation or sublimation, e.g. by observing boiling
- G01K11/04—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using evaporation or sublimation, e.g. by observing boiling from material contained in a hollow body having parts which are deformable or displaceable under the pressure developed by the vapour
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/18—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
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- 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
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20127—Natural convection
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- 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
- H05K7/20281—Thermal management, e.g. liquid flow control
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- 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
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20345—Sprayers; Atomizers
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- 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
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20381—Thermal management, e.g. evaporation control
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Physics & Mathematics (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention belongs to the field of power device monitoring, and particularly relates to an intelligent monitoring device for a power system, which comprises a base, wherein a device shell is fixedly connected to the surface of the upper end of the base, heat conducting blocks are fixedly connected to the wall surfaces of the left side and the right side of the middle of the inside of the device shell, a connecting plate is fixedly connected between the outer side surfaces of the heat conducting blocks, a fixing plate is fixedly connected to the lower end of the connecting plate, the lower end of the fixing plate is fixedly connected to the bottom surface of the device shell, a supporting seat is fixedly connected to the upper end of the connecting plate, and power equipment is fixedly connected to the upper end of the supporting seat. Through first evaporating chamber and second evaporating chamber to thereby through the principle of its inside different evaporating liquid thermal expansion when different temperatures drive push-pull member or trigger lever and remove, realize respectively through push-pull member or trigger lever to the ventilation effect of device shell or spray the effect that the coolant liquid realized the heat absorption cooling.
Description
Technical Field
The invention belongs to the field of power device monitoring, and particularly relates to an intelligent monitoring device and a monitoring method of a power system.
Background
The main structure of the power system is provided with a power supply (power plants such as a hydropower station, a thermal power plant, a nuclear power station and the like), a power substation (a boosting power substation, a load center power substation and the like), a power transmission line, a distribution line and a load center, and all power supply points are mutually connected to realize electric energy exchange and adjustment between different areas, so that the safety and the economical efficiency of power supply are improved.
The existing power system comprises a plurality of power equipment, when any common power equipment is independently operated, short circuit is likely to be generated to cause the temperature of the power equipment to rise instantly, the damage of the internal structure of the power equipment is caused by untimely treatment when the temperature of the power equipment reaches a certain value, the traditional power equipment monitoring system is monitored by an electronic system, when a problem is found, maintenance operators move to a position where the problem occurs and maintain the power equipment, and for a large-scale power system, a plurality of maintenance operators need to be equipped for real-time monitoring, and the time from the problem finding to the problem solving is usually long, so that the damage of the power system is likely to be caused.
Disclosure of Invention
The invention aims to solve the problems and provides an intelligent monitoring device and a monitoring method for an electric power system.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides an electric power system intelligent monitoring device, includes the base, fixedly connected with device shell on the surface of the upper end of base, fixedly connected with heat conduction piece on the wall of the left and right sides in the middle of the inside of device shell, fixedly connected with connecting plate between the outside surface of heat conduction piece, the fixedly connected with fixed plate of lower extreme of connecting plate, the lower extreme fixedly connected with of fixed plate is on the bottom surface of device shell, the upper end fixedly connected with supporting seat of connecting plate, the upper end fixedly connected with power equipment of supporting seat.
In the intelligent monitoring device for the electric power system, a first evaporation cavity is formed between the fixed plate and the inner wall of the device shell, and the middle part of the fixed plate is connected with the push-pull piece in a sliding manner.
In the intelligent monitoring device for the electric power system, the upper end surfaces of the left side and the right side of the connecting plate are fixedly connected with a partition plate, and a second evaporation cavity is formed between the partition plate and the inner wall of the device shell.
In the intelligent monitoring device for the electric power system, the left end of the push-pull piece is slidably connected to the inside of the first evaporation cavity, the push-pull piece is composed of a sliding plate, a push rod and a push plate, the upper end and the lower end of the sliding plate are slidably connected to the bottom surface of the lower end of the connecting plate and the bottom surface of the inner wall of the device shell respectively, the left end of the push rod is fixedly connected to the right side surface of the sliding plate, the right side of the push rod is fixedly connected to the left side surface of the push plate, and the middle of the push rod is perforated and connected to the middle of the fixing plate.
In the intelligent monitoring device for the electric power system, a trigger rod is slidably connected in the second evaporation cavity, and the upper end of the trigger rod is connected to the upper end surface of the partition plate in a perforation mode.
In the intelligent monitoring device for the electric power system, the liquid storage tank is fixedly connected to the bottom surface of the upper end of the inner wall of the device shell, the air bag is connected to the lower end of the liquid storage tank through a hole, the pressing plate is connected to the inner wall of the liquid storage tank in a sliding mode, the liquid outlet is connected to the wall surface of the upper end of the right side of the liquid storage tank through a hole, and the bottom surface of the lower end of the air bag is located at the upper end of the trigger rod.
In the intelligent monitoring device for the electric power system, the through hole is formed in the middle of the connecting plate, the air inlet groove is formed in the middle of the bottom surface of the lower end of the device shell, and the sliding rails are fixedly connected to the inner walls of the front side and the rear side of the device shell.
In the intelligent monitoring device for the electric power system, the first pull plate and the second pull plate are fixedly connected to the outer side surface of the push plate respectively, the bottom surface of the lower end of the second pull plate slides on the upper end surface of the first pull plate, the magnetic blocks are fixedly connected to the upper side and the lower side of the outer side of the push plate, and the first pull plate and the second pull plate are connected to the sliding rail in a sliding mode.
The invention also discloses a monitoring method of the intelligent monitoring device of the power system, which comprises the following steps:
s1, when the temperature of the inside of a device shell reaches a first threshold value, heat is transferred to the inside of first evaporation cavities at the left side and the right side by a heat conduction block, and when the temperature of evaporating liquid in the inside of the first evaporation cavities reaches the first threshold value, the evaporating expansion is carried out, and the push-pull piece is pushed to move outwards;
s2, when the push-pull piece moves outwards, the push rod is connected to the fixed plate in a sliding way, and the springs fixedly connected with the upper side and the lower side of the fixed plate are stretched to the right side, so that the first pull plate and the second pull plate at the outer side of the push plate are mutually overlapped in a sliding way;
s3, when the internal temperature of the device shell reaches a second threshold value, heat is transferred to the inside of the second evaporation cavity at the left side by the heat conduction block, so that the evaporation liquid in the second evaporation cavity is heated and expanded, and pushes the touch rod to upwards squeeze the air bag, so that gas in the air bag upwards squeezes the pressing plate, the air pressure in the liquid storage tank is compressed, and the cooling liquid in the liquid storage tank is sprayed out from the liquid outlet under the action of high pressure, and the temperature in the device shell is reduced.
Compared with the prior art, the intelligent monitoring device and the monitoring method thereof for the electric power system have the advantages that:
1. according to the invention, the first evaporation cavity is arranged, so that the evaporation liquid pre-filled in the first evaporation cavity can reach the boiling point at the corresponding temperature, so that the expansion drives the push-pull piece to move, and the sliding connection between the first pull plate and the second pull plate is driven by the movement of the push-pull piece, so that the opening and closing effects on the through hole and the air inlet groove are realized.
2. The invention is characterized in that: through first evaporating chamber and second evaporating chamber to thereby through the principle of its inside different evaporating liquid thermal expansion when different temperatures drive push-pull member or trigger lever and remove, realize respectively through push-pull member or trigger lever to the ventilation effect of device shell or spray the effect that the coolant liquid realized the heat absorption cooling.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent monitoring device and a monitoring method thereof for an electric power system;
fig. 2 is a schematic structural diagram of a first pulling plate of the intelligent monitoring device and the monitoring method thereof for an electric power system;
FIG. 3 is an enlarged schematic view of the portion A of FIG. 1;
fig. 4 is an enlarged schematic view of the part B structure of fig. 1.
In the figure, 1 base, 2 device shell, 21 air inlet groove, 22 slide rail, 3 heat conduction block, 31 connecting plate, 311 through hole, 32 fixed plate, 33 supporting seat, 34 first evaporating cavity, 35 baffle, 36 second evaporating cavity, 361 trigger lever, 4 power equipment, 6 push-pull piece, 61 slide, 62 push rod, 63 push pedal, 64 first pull plate, 65 second pull plate, 66 magnetic block, 7 liquid storage tank, 71 gasbag, 72 clamp plate, 73 liquid outlet.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.
As shown in fig. 1-4, an intelligent monitoring device for an electric power system comprises a base 1, wherein the base 1 is of a two-piece type, the base 1 is respectively arranged at the bottom ends of the left side and the right side of a device shell 2, the surface of the upper end of the base 1 is fixedly connected with the device shell 2, the wall surfaces of the left side and the right side in the middle of the inside of the device shell 2 are fixedly connected with heat conducting blocks 3, a part of the upper end of the left side heat conducting block 3 is positioned in a second evaporation liquid cavity 36, a connecting plate 31 is fixedly connected between the outer side surfaces of the heat conducting blocks 3, a through hole 311 is formed in the middle of the connecting plate 31, the through hole 311 is of a circular structure, an air inlet groove 21 is formed in the middle of the bottom surface of the lower end of the device shell 2, the air inlet groove 21 is of an inclined plate type, the inner walls of the front side and the rear side of the device shell 2 are fixedly connected with slide rails 22, and the outer sides of the slide rails 22 are fixedly connected with limiting blocks, the limiting block is slidingly connected to the side surfaces of the first pull plate 64 and the second pull plate 65, a temperature sensor is arranged on the surface of the upper end of the right side of the connecting plate 31, the model of the temperature sensor is PT100, a partition plate 35 is fixedly connected to the upper end surfaces of the left side and the right side of the connecting plate 31, a second evaporation cavity 36 is arranged between the partition plate 35 and the inner wall of the device shell 2, a second evaporation liquid is arranged in the second evaporation cavity 36, the boiling point of the second evaporation liquid is 120 ℃, namely, when the heat conduction block 3 transfers heat into the second evaporation cavity 36, and the temperature in the second evaporation cavity 36 rises to 120 ℃, the second evaporation liquid expands and drives a trigger rod 361 to move upwards, a trigger rod 361 is slidingly connected in the second evaporation cavity 36, a circular plate is fixedly connected to the upper end surface of the trigger rod 361, and the upper end perforation of the trigger rod 361 is connected to the upper end surface of the partition plate 35, fixedly connected with liquid storage tank 7 on the inner wall upper end bottom surface of device shell 2, the lower extreme perforation of liquid storage tank 7 is connected with gasbag 71, sliding connection has clamp plate 72 in the inner wall of liquid storage tank 7, and the perforation is connected with liquid outlet 73 on the wall of the right side upper end of liquid storage tank 7, and the lower extreme bottom surface of gasbag 71 is located the upper end of trigger lever 361, and trigger lever 361 upwards moves and drives the plectane extrusion at the lower extreme of gasbag 71.
The lower end of the connecting plate 31 is fixedly connected with a fixed plate 32, a first evaporation cavity 34 is arranged between the fixed plate 32 and the inner wall of the device shell 2, a first evaporation liquid is filled in the first evaporation cavity 34, the boiling point of the first evaporation liquid is 70 ℃, namely when the heat conduction block 3 transfers heat into the first evaporation cavity 34 to enable the temperature in the first evaporation cavity 34 to rise to 70 ℃, the first evaporation liquid expands and extrudes a push-pull piece 6 to move inwards, the middle part of the fixed plate 32 is slidingly connected with the push-pull piece 6, the left end of the push-pull piece 6 is slidingly connected in the first evaporation cavity 34, the push-pull piece 6 consists of a sliding plate 61, a push rod 62 and a push plate 63, the upper end and the lower end of the sliding plate 61 are respectively slidingly connected on the bottom surface of the lower end of the connecting plate 31 and the bottom surface of the inner wall of the device shell 2, the upper end and the lower end of the sliding plate 61 are respectively provided with spring buffer pieces, the spring buffer pieces consist of pulleys and springs, the lower end of the pulley is fixedly connected with the upper end of the spring, the lower end of the spring is fixedly connected with the inside of the sliding plate 61, the pulley is slidingly connected with the upper wall surface and the lower wall surface of the first evaporation cavity 34, the left end of the push rod 62 is fixedly connected with the right side surface of the sliding plate 61, the upper side and the lower side surface of the outer side of the fixed plate 32 are fixedly connected with the spring, the other end of the spring is fixedly connected with the inner side surface of the push plate 63, the right side of the push rod 62 is fixedly connected with the left side surface of the push plate 63, the outer side surface of the push plate 63 is respectively fixedly connected with a first pull plate 64 and a second pull plate 65, sliding grooves are formed on the wall surfaces of the front side and the rear side of the first pull plate 64 and the second pull plate 65, limiting blocks are slidingly connected with the inside of the sliding grooves, the fixing effect of the first pull plate 64 and the second pull plate 65 is realized, the bottom surface of the lower end of the second pull plate 65 is slidingly connected with the upper end surface of the first pull plate 64, the upper and lower sides of the outside of push pedal 63 are all fixedly connected with magnetic path 66, and first arm-tie 64 and second arm-tie 65 all sliding connection are on slide rail 22, and the middle part perforation of push rod 62 is connected at the middle part of fixed plate 32.
The lower end of the fixed plate 32 is fixedly connected to the bottom surface of the device housing 2, the upper end of the connecting plate 31 is fixedly connected with the supporting seat 33, the upper end of the supporting seat 33 is fixedly connected with the power equipment 4,
the power equipment 4 can be understood as any independent power equipment, and the key parts of the power equipment 4 should be wrapped with waterproof materials, wherein the waterproof materials are epoxy resin.
The use method of the intelligent monitoring device of the electric power system is that two temperature thresholds are arranged in the device shell 2 and are 70 ℃ and 120 ℃ respectively, the temperature thresholds can be changed according to the types of specific protection and monitoring electric power equipment 4, and the types of the first evaporating liquid and the second evaporating liquid are correspondingly changed, so that the effect that the evaporating liquid expands when reaching the corresponding temperatures is realized.
As shown in fig. 1-3, when the temperature reaches 70 ℃, the heat conducting blocks 3 at the two sides of the device housing 2 transfer the heat generated around the upper power equipment 4 to the inside of the first evaporation cavity 34 and the second evaporation cavity 36, as the temperature reaches the preset first temperature threshold, that is, the temperature in the first evaporation cavity 34 is raised to 70 ℃ under the heat conduction action of the heat conducting blocks 3, the first evaporation liquid is heated and expanded, and the push-pull piece 6 is pressed to the right side, so that the push-pull piece 6 slides to the right in the middle of the fixed plate 32, that is, the sliding plate 61 at the left side of the push-pull piece 6 slides to the right side under the drive of the first evaporation liquid and drives the push rod 62 and indirectly drives the push plate 63 to move to the right side, wherein the push rod 62 is perforated and slides on the fixed plate 32, the inner side of the push plate 63 is connected to the outer side of the fixed plate 32 by a spring, that is, the spring is stretched in the process of moving the push plate 63 to the right side, the first pull plate 64 and the second pull plate 65 outside the push plate 63 slide mutually, both sides of the first pull plate 64 and the second pull plate 65 slide on the slide rail 22 to realize the limit function of the first pull plate 64 and the second pull plate 65, the magnetic blocks 66 on the surface of the push plate 63 are used for enhancing the connection effect between the push plates 63 on both sides, so that the first pull plate 64 and the second pull plate 65 are overlapped up and down as much as possible, the communication between the through hole 311 and the air inlet groove 21 is realized, namely the ventilation function inside the device shell 2 is realized, and after the temperature is gradually reduced, the tensile force provided by the springs is far greater than the attractive force between the magnetic blocks 66, namely the springs drive the push plate 63 to move leftwards to drive the slide between the first pull plate 64 and the second pull plate 65, the push plates 63 on both sides are respectively positioned on both sides of the through hole 311 and the air inlet groove 21 to realize the sealing function of the device shell 2, avoiding the interior of the device housing 2 from being left open for a long time to enter ash.
As shown in fig. 4, when the internal temperature of the device housing 2 reaches 120 ℃, the heat conducting block 3 transfers heat to the inside of the second evaporation cavity 36, so that the temperature in the second evaporation cavity 36 is raised to 120 ℃ under the heat conduction effect of the heat conducting block 3, that is, the second evaporation liquid is heated and expanded, the trigger rod 361 is driven to move upwards, the circular plate fixed at the upper side is driven to squeeze the air bag 71, the air bag 71 is extruded and contracted, and air is blown into the interior of the liquid storage tank 7, so that the air pressure at the lower part of the liquid storage tank 7 is instantaneously increased, that is, the pressure plate 72 is driven to move upwards, the air pressure at the upper part of the liquid storage tank 7 is increased, the cooling liquid in the liquid storage tank is forced to be sprayed outwards through the liquid outlet 73 by the atmospheric pressure, and the cooling liquid has the effect of rapid heat absorption and cooling, so that the temperature in the device housing 2 is reduced.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (5)
1. The utility model provides an intelligent monitoring device for an electric power system, includes base (1), its characterized in that, fixedly connected with device shell (2) on the surface of the upper end of base (1), fixedly connected with heat conduction block (3) on the wall of the left and right sides in the middle of the inside of device shell (2), fixedly connected with connecting plate (31) between the outside surface of heat conduction block (3), fixedly connected with fixed plate (32) of the lower extreme of connecting plate (31), the lower extreme fixedly connected with of fixed plate (32) is on the bottom surface of device shell (2), the upper end fixedly connected with supporting seat (33) of connecting plate (31), the upper end fixedly connected with power equipment (4) of supporting seat (33);
a first evaporation cavity (34) is arranged between the fixed plate (32) and the inner wall of the device shell (2), and a push-pull piece (6) is connected to the middle part of the fixed plate (32) in a sliding manner;
the left end of the push-pull piece (6) is slidably connected to the inside of the first evaporation cavity (34), the push-pull piece (6) consists of a sliding plate (61), a push rod (62) and a push plate (63), the upper end and the lower end of the sliding plate (61) are slidably connected to the bottom surface of the lower end of the connecting plate (31) and the bottom surface of the inner wall of the device shell (2) respectively, the left end of the push rod (62) is fixedly connected to the right side surface of the sliding plate (61), the right side of the push rod (62) is fixedly connected to the left side surface of the push plate (63), and the middle through hole of the push rod (62) is connected to the middle of the fixed plate (32);
a through hole (311) is formed in the middle of the connecting plate (31), an air inlet groove (21) is formed in the middle of the bottom surface of the lower end of the device shell (2), and sliding rails (22) are fixedly connected to the inner walls of the front side and the rear side of the device shell (2);
the outer side surface of the push plate (63) is fixedly connected with a first pull plate (64) and a second pull plate (65) respectively, the bottom surface of the lower end of the second pull plate (65) slides on the upper end surface of the first pull plate (64), the upper side and the lower side of the outer side of the push plate (63) are fixedly connected with magnetic blocks (66), and the first pull plate (64) and the second pull plate (65) are both in sliding connection with a sliding rail (22);
when the temperature reaches a first temperature threshold value, the first evaporation liquid in the first evaporation cavity (34) is heated and expanded, and the push-pull piece (6) is extruded to the right side, so that the push-pull piece (6) slides to the right in the middle of the fixed plate (32), the left sliding plate (61) slides to the right side and drives the push rod (62) and the push plate (63) to move to the right side, wherein the push plate (63) stretches a spring in the rightward sliding process, and the first pull plate (64) and the second pull plate (65) slide to each other, so that the through hole (311) is communicated with the air inlet groove (21);
after the temperature gradually decreases, the spring drives the push plate (63) to move to the left side, and drives the first pull plate (64) and the second pull plate (65) to slide relatively, so that the push plates (63) on two sides are respectively positioned on two sides of the through hole (311) and the air inlet groove (21), and the sealing effect on the device shell (2) is realized.
2. An intelligent monitoring device for an electric power system according to claim 1, wherein a partition plate (35) is fixedly connected to the upper end surfaces of the left and right sides of the connecting plate (31), and a second evaporation cavity (36) is formed between the partition plate (35) and the inner wall of the device housing (2).
3. An intelligent monitoring device for an electric power system according to claim 2, characterized in that the second evaporation chamber (36) is slidably connected with a trigger rod (361), and the upper end perforation of the trigger rod (361) is connected to the upper end surface of the partition plate (35).
4. The intelligent monitoring device for the electric power system according to claim 3, wherein a liquid storage tank (7) is fixedly connected to the bottom surface of the upper end of the inner wall of the device housing (2), an air bag (71) is connected to the lower end of the liquid storage tank (7) through a hole, a pressing plate (72) is connected to the inner wall of the liquid storage tank (7) in a sliding manner, a liquid outlet (73) is connected to the wall surface of the upper right end of the liquid storage tank (7) through a hole, and the bottom surface of the lower end of the air bag (71) is located at the upper end of a trigger rod (361).
5. A monitoring method using the intelligent monitoring apparatus for an electric power system according to claim 4, characterized in that the method comprises the steps of:
s1, when the temperature of the inside of a device shell (2) reaches a first threshold value, heat is transferred to the inside of first evaporation cavities (34) at the left side and the right side by a heat conducting block (3), and when the temperature of evaporation liquid in the inside of the first evaporation cavities (34) reaches the first threshold value, evaporation expansion is carried out, and a push-pull piece (6) is pushed to move outwards;
s2, when the push-pull piece (6) moves outwards, a push rod (62) is connected to the fixed plate (32) in a sliding way, and a spring fixedly connected with the upper side and the lower side of the fixed plate (32) is stretched to the right side, so that a first pull plate (64) and a second pull plate (65) on the outer side of the push plate (63) are in sliding overlapping with each other;
s3, when the internal temperature of the device shell (2) reaches a second threshold value, heat is transferred to the inside of a second evaporation cavity (36) at the left side by the heat conduction block (3), so that evaporation liquid in the second evaporation cavity (36) is heated to expand and push the trigger rod (361) to upwards extrude the air bag (71), so that air in the air bag (71) upwards extrudes the pressing plate, the air pressure in the liquid storage tank (7) is compressed, and cooling liquid in the liquid storage tank is sprayed out from the liquid outlet (73) under the action of high pressure, so that the temperature in the device shell (2) is reduced.
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| CN202011242212.2A CN112423502B (en) | 2020-11-09 | 2020-11-09 | Intelligent monitoring device and monitoring method for electric power system |
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| CN113865657B (en) * | 2021-09-09 | 2024-02-02 | 夏罗登工业科技(上海)股份有限公司 | Electromagnetic flowmeter with multi-functional color display screen |
| CN114267362A (en) * | 2021-12-09 | 2022-04-01 | 朱梦楠 | Low-power consumption audio decoder |
| CN114739529B (en) * | 2022-05-11 | 2022-11-25 | 山东信隆机电有限公司 | Mechanical high-low voltage motor temperature measuring device capable of reflecting temperature through resistor |
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