CN113391112A - Online monitoring method of transformer substation online monitoring system - Google Patents
Online monitoring method of transformer substation online monitoring system Download PDFInfo
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- CN113391112A CN113391112A CN202110664879.XA CN202110664879A CN113391112A CN 113391112 A CN113391112 A CN 113391112A CN 202110664879 A CN202110664879 A CN 202110664879A CN 113391112 A CN113391112 A CN 113391112A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 103
- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 230000017525 heat dissipation Effects 0.000 claims abstract description 33
- 230000000694 effects Effects 0.000 claims abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000004020 conductor Substances 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 5
- 238000007664 blowing Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
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- 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
- G01K1/02—Means for indicating or recording specially adapted for thermometers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
- G01R15/186—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using current transformers with a core consisting of two or more parts, e.g. clamp-on type
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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
- H05K7/20136—Forced ventilation, e.g. by fans
Abstract
The invention discloses an online monitoring method of a transformer substation online monitoring system, which comprises the following steps: firstly, preparing a tool, namely fixedly mounting a heat dissipation mechanism on a pincerlike ammeter main body of a monitoring mechanism through a connecting arm, and fixedly mounting a positioning mechanism on a box body through a plate body, so that the heat dissipation mechanism and the positioning mechanism are respectively arranged on two sides of the monitoring mechanism; step two, conducting wire preliminary positioning; according to the online monitoring method of the transformer substation online monitoring system, the heat dissipation mechanism is arranged on the monitoring mechanism, so that when the temperature of the tested conductor wire is too high, wind power of the fan can be blown out through the air outlet nozzle to dissipate the heat of the conductor wire, and meanwhile, the motor can drive the rectangular hollow shell and the tubular hollow shell to be adjusted in position through the worm and the worm wheel, so that the heat dissipation effect is better, and the potential safety hazard that the temperature of the conductor wire is too high is eliminated.
Description
Technical Field
The invention relates to the technical field of transformer substation monitoring, in particular to an online monitoring method of a transformer substation online monitoring system.
Background
As is well known, a substation refers to a place in an electric power system where voltage and current are converted, electric energy is received, and electric energy is distributed. The substations in the power plant are step-up substations, which are used to boost up the electrical energy generated by the generator and feed it into the high-voltage network.
In the prior art, a clamp ammeter is generally used for monitoring the current of a conductive wire for a transformer substation in a power-on state in real time, and the clamp ammeter is formed by combining a current transformer and an ammeter. The iron core of the current transformer can be opened when the wrench is tightened; the conducting wire through which the current to be measured passes can pass through the open notch of the iron core without being cut off, and the iron core is closed after the wrench is released.
However, the prior art has certain problems:
the existing clamp-on ammeter is used as a part of a transformer substation online monitoring system, does not have the functions of monitoring the temperature of a conductive wire to be monitored and timely performing heat dissipation treatment on the conductive wire with overhigh temperature, so that certain potential safety hazards exist when the clamp-on ammeter performs online current monitoring on the conductive wire in a power-on state;
when the conducting wire passes through the jaw of the clamp-on ammeter, the conducting wire is kept at the central part of the jaw when being monitored due to the lack of the structure arrangement perpendicular to the jaw, so that an error exists between a display numerical value and an actual current, and the monitoring precision is influenced;
when the temperature of part of the conductive wires is too high, the potential safety hazard needs to be eliminated by manual operation, but due to the lack of the function of timely alarming when the temperature of the conductive wires is too high, the working personnel cannot find problems in time, so that the electric power accident is easily caused, and the safety of the on-line monitoring system is influenced.
Disclosure of Invention
The invention aims to provide an online monitoring method of an online monitoring system of a transformer substation, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an online monitoring method of a transformer substation online monitoring system comprises the following steps:
firstly, preparing a tool, namely fixedly mounting a heat dissipation mechanism on a pincerlike ammeter main body of a monitoring mechanism through a connecting arm, and fixedly mounting a positioning mechanism on a box body through a plate body, so that the heat dissipation mechanism and the positioning mechanism are respectively arranged on two sides of the monitoring mechanism;
secondly, conducting wire primary positioning, namely enabling the conducting wire to be subjected to current monitoring to penetrate through the through groove of the rectangular hollow shell and extend out of the interior of the tubular hollow shell, and enabling the conducting wire to be positioned between two clamping blocks of the positioning mechanism;
step three, completely positioning the electric lead, unscrewing the bolt, enabling the bolt to move downwards in the support, driving the push block to gradually loosen and extrude the two hemispherical blocks, driving the slide rod to slide in the plate body under the action of the spring by the movable plate after the hemispherical blocks lose the external force action, driving the clamping block to clamp the electric lead by the connecting rod, enabling the electric lead to be positioned in the central part of the jaw of the movable clamp and to be perpendicular to the jaw, and enabling the current monitoring value on the numerical display to be stable;
step four, temperature monitoring, wherein when the temperature control switch senses that the temperature emitted by the measured conductive wire is higher than a set value, the fan and the buzzer are automatically started, the buzzer gives out an alarm sound, and the fan starts a heat dissipation function;
after the fan is started, enabling wind power to enter the rectangular hollow shell through the corrugated pipe communicated with the top of the box body, enabling the space for guiding the air in the rectangular hollow shell to be not in contact with the through groove, enabling the wind power to enter the tubular hollow shell, and blowing out the wind power through the air outlet pipe and the air outlet nozzle to enable the conducting wire to be subjected to heat dissipation treatment;
sixthly, adjusting the position, namely starting a motor to enable the motor to drive a worm to rotate clockwise or anticlockwise on a supporting plate, so that a worm wheel drives a rectangular hollow shell to rotate on a vertical plate, and the vertical plate drives an air outlet nozzle to adjust the position through a tubular hollow shell and an air outlet pipe, so that the air outlet nozzle can better perform heat dissipation treatment on an electric lead with overhigh temperature;
and seventhly, monitoring the windings, namely when the current is monitored by the aid of the stop blocks which are formed by winding the conductive wires on the movable clamp according to the number of turns, the stop blocks can prevent multiple sections of conductive wires from being touched and interwoven together when the conductive wires are monitored by the windings, so that temperature is increased and monitoring effect is influenced.
Preferably, in the first step, the handheld handle is helpful for mounting the auxiliary heat dissipation mechanism and the positioning mechanism, and the reading surface of the numerical display is located on the side where the positioning mechanism is located, so that the positioning mechanism does not influence the reading of the current monitoring value by the derivative value display.
Preferably, in the first step, an iron core and a transformer are arranged inside the movable clamp installed on the body of the split-core ammeter, the measured conductive wire passing through the iron core becomes a primary coil of the current transformer, and a current is induced in the measured conductive wire through the current in the induction coil serving as a secondary coil, so that a numerical display connected with the induction coil displays the current numerical value.
Preferably, in the second step, the rectangular hollow shell is communicated with the inside of the tubular hollow shell through the through groove, so that the conductive wire can penetrate through the rectangular hollow shell and the tubular hollow shell simultaneously, a communication space for conveying heat dissipation wind power is also formed in the rectangular hollow shell and the tubular hollow shell, and the two communication spaces are not mutually influenced.
Preferably, in the third step, the fixing rod fixedly connects the hemispherical block and the movable plate together, and the connecting rod fixedly connects the clamping block and the movable plate together.
Preferably, in the fourth step, the temperature control switch is fixedly installed on the connecting rod, and the electric control output end of the temperature control switch is connected in series with the fan and the buzzer through the connecting wire.
Preferably, in the fifth step, the bottom of the box body is uniformly provided with air inlet grooves, so that the external air can smoothly enter the box body.
Preferably, in step six, the output shaft of the motor has a function of forward and reverse rotation, and the connecting plate can firmly and fixedly support the motor.
Preferably, in the seventh step, the outside of the stop block is covered with composite damping heat insulation cotton with the function of insulation and heat insulation.
Preferably, in the fifth step, a door is hinged to one side of the box body, and the door can be closed on the box body by pushing the metal insertion block into the insertion groove provided with the magnet, so that the interior of the box body is kept in a good sealing state.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the online monitoring method of the transformer substation online monitoring system, the heat dissipation mechanism is arranged on the monitoring mechanism, so that when the temperature of the tested conducting wire is too high, wind power of the fan can be sprayed out through the air outlet nozzle to dissipate heat of the conducting wire, and meanwhile, the motor can drive the rectangular hollow shell and the tubular hollow shell to adjust the positions through the worm and the worm gear, so that the heat dissipation effect is better, and the potential safety hazard of the too high temperature of the conducting wire is eliminated;
2. according to the online monitoring method of the transformer substation online monitoring system, the positioning mechanism is arranged on the monitoring mechanism, so that the conducting wire penetrates through the rectangular hollow shell and the tubular hollow shell and then is extruded out, the semi-spherical block is pushed by the push block, the clamping block can clamp the conducting wire under the action of the spring, the conducting wire can be always positioned in the central part of the jaw and is perpendicular to the jaw, errors are reduced, and the monitoring precision is improved.
3. According to the online monitoring method of the transformer substation online monitoring system, the buzzer is arranged at the electric control output end of the temperature control switch, so that when the temperature control switch senses that the measured lead is high in temperature, the buzzer can be started, and the alarm sound sent by the buzzer can enable a worker to find problems in time, so that the safety of the monitoring system is improved.
Drawings
Fig. 1 is a schematic structural diagram of an online monitoring method of an online monitoring system of a transformer substation according to the present invention;
FIG. 2 is a schematic structural diagram of a positioning mechanism in the online monitoring method of the online monitoring system of the transformer substation according to the present invention;
FIG. 3 is a schematic structural diagram of a movable clamp and a stop block in the online monitoring method of the online monitoring system of the transformer substation according to the present invention;
FIG. 4 is a schematic structural diagram of a fan and a box in the online monitoring method of the online monitoring system of the transformer substation of the invention;
FIG. 5 is a schematic structural diagram of a bolt and a push block in the online monitoring method of the online monitoring system of the transformer substation of the invention;
fig. 6 is a schematic sectional structure view of a support plate and a worm in the online monitoring method of the online monitoring system of the transformer substation of the present invention.
In the figure: 1. a monitoring mechanism; 100. a clamp-on ammeter body; 101. a numerical value display; 102. a handle; 103. an induction coil; 104. a movable clamp; 105. a stopper; 2. a heat dissipation mechanism; 200. a box body; 201. a fan; 202. inserting grooves; 203. a box door; 204. an insertion block; 205. a support plate; 206. a worm; 207. a motor; 208. a connecting plate; 209. a worm gear; 210. a rectangular hollow housing; 211. a vertical plate; 212. a through groove; 213. a tubular hollow housing; 214. an air outlet pipe; 215. an air outlet nozzle; 216. an air inlet groove; 3. a positioning mechanism; 300. a plate body; 301. a slide bar; 302. a movable plate; 303. a connecting rod; 304. a clamping block; 305. a bump; 306. a spring; 307. fixing the rod; 308. a hemispherical block; 309. a support; 310. a push block; 311. a bolt; 401. a temperature control switch; 402. a buzzer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: an online monitoring method of a transformer substation online monitoring system comprises the following steps:
firstly, preparing a tool, namely fixedly mounting a heat dissipation mechanism 2 on a pincerlike ammeter main body 100 of a monitoring mechanism 1 through a connecting arm, and fixedly mounting a positioning mechanism 3 on a box body 200 through a plate body 300, so that the heat dissipation mechanism 2 and the positioning mechanism 3 are respectively arranged on two sides of the monitoring mechanism 1;
step two, conducting wire preliminary positioning, namely, the conducting wire to be subjected to current monitoring penetrates through the through groove 212 of the rectangular hollow shell 210 and extends out of the interior of the tubular hollow shell 213, so that the conducting wire is positioned between the two clamping blocks 304 of the positioning mechanism 3;
step three, the conductive wire is completely positioned, the bolt 311 is unscrewed, the bolt 311 moves downwards in the support 309, the push block 310 is driven to gradually loosen and extrude the two hemispherical blocks 308, after the external force action of the hemispherical blocks 308 is lost, the movable plate 302 drives the sliding rod 301 to slide in the plate body 300 under the action of the spring 306, the connecting rod 303 drives the clamping block 304 to clamp the conductive wire, the conductive wire is positioned in the center of the jaw of the movable clamp 104 and is perpendicular to the jaw, and the current monitoring value on the numerical display 101 can be kept stable;
step four, temperature monitoring, wherein when the temperature control switch 401 senses that the temperature emitted by the tested conductive wire is higher than a set value, the fan 201 and the buzzer 402 are automatically started, the buzzer 402 gives out an alarm sound, and the fan 201 starts a heat dissipation function;
step five, heat dissipation treatment, namely after the fan 201 is started, enabling wind power to enter the rectangular hollow shell 210 through a corrugated pipe communicated with the top of the box body 200, enabling a space for guiding air in the rectangular hollow shell 210 not to be in contact with the through groove 212, enabling the wind power to enter the tubular hollow shell 213, and blowing out the wind power through the air outlet pipe 214 and the air outlet nozzle 215 to enable the conducting wire to be subjected to heat dissipation treatment;
sixthly, adjusting the position, namely starting the motor 207, so that the motor 207 drives the worm 206 to rotate clockwise or anticlockwise on the supporting plate 205, so that the worm wheel 209 drives the rectangular hollow shell 210 to rotate on the vertical plate 211, the vertical plate 211 drives the air outlet nozzle 215 to adjust the position through the tubular hollow shell 213 and the air outlet pipe 214, and the air outlet nozzle 215 can better perform heat dissipation treatment on the conductive wire with overhigh temperature;
and seventhly, monitoring the windings, namely when the current is monitored by winding the conductive wire on the stop 105 of the movable clamp 104 according to the number of turns, the stop 105 can prevent multiple sections of conductive wires from being touched and interwoven together when the conductive wire is monitored by the windings, so that the temperature is increased and the monitoring effect is influenced.
Specifically, in the first step, the handheld handle 102 facilitates installation of the auxiliary heat dissipation mechanism 2 and the positioning mechanism 3, and the reading surface of the numerical display 101 is located on the side where the positioning mechanism 3 is located, so that the positioning mechanism 3 does not affect reading of the current monitoring value by the derivative value display 101.
Specifically, in the first step, an iron core and a transformer are arranged inside a movable clamp 104 mounted on the clamp ammeter body 100, a measured conductive wire passing through the iron core becomes a primary coil of the current transformer, and a current is induced in an induction coil 103 serving as a secondary coil through the inside of the measured conductive wire, so that a numerical display 101 connected to the induction coil 103 displays a current value.
Specifically, in the second step, the rectangular hollow shell 210 is communicated with the inside of the tubular hollow shell 213 through the through groove 212, so that the conductive wire can simultaneously penetrate through the rectangular hollow shell 210 and the tubular hollow shell 213, and meanwhile, a communication space for transmitting heat dissipation wind power is also opened inside the rectangular hollow shell 210 and the tubular hollow shell 213, and the two communication spaces do not affect each other.
Specifically, in the third step, the fixed rod 307 fixedly connects the hemispherical block 308 and the movable plate 302 together, the connecting rod 303 fixedly connects the clamping block 304 and the movable plate 302 together, and the protrusion 305 can prevent the sliding rod 301 from being separated from the plate 300.
Specifically, in step four, the temperature control switch 401 is fixedly mounted on the connecting rod 303, and the electrical control output end of the temperature control switch 401 is connected in series with the fan 201 and the buzzer 402 through the connecting wire.
Specifically, in the fifth step, the bottom of the box 200 is uniformly provided with air inlet grooves 216, so that the external air can smoothly enter the box 200.
Specifically, in step six, the output shaft of the motor 207 has a function of forward and reverse rotation, and the connecting plate 208 can strongly and fixedly support the motor 207.
Specifically, in the seventh step, the outside of the stopper 105 is covered with composite damping heat insulation cotton having the function of insulation and heat insulation.
Specifically, in the fifth step, the door 203 is hinged to one side of the housing 200, and the door 203 can be closed on the housing 200 by pushing the metal insertion block 204 into the insertion groove 202 provided with the magnet, thereby maintaining the interior of the housing 200 in a well-sealed state.
To sum up: 1. according to the online monitoring method of the transformer substation online monitoring system, the heat dissipation mechanism 2 is arranged on the monitoring mechanism 1, so that when the temperature of a tested conducting wire is too high, wind power of the fan 201 can be ejected out through the air outlet nozzle 215 to dissipate heat of the conducting wire, and meanwhile, the motor 207 can drive the rectangular hollow shell 210 and the tubular hollow shell 213 to adjust the positions through the worm 206 and the worm wheel 209, so that the heat dissipation effect is better, and the potential safety hazard of the too high temperature of the conducting wire is eliminated;
2. according to the online monitoring method of the transformer substation online monitoring system, the positioning mechanism 3 is arranged on the monitoring mechanism 1, so that after the conducting wire penetrates through the rectangular hollow shell 210 and the tubular hollow shell 213 and is discharged out, the pushing block 310 pushes the semi-spherical block 308, the clamping block 304 can clamp the conducting wire under the action of the spring 306, the conducting wire can be located in the center of the jaw all the time and is perpendicular to the jaw, errors are reduced, and the monitoring precision is improved;
3. according to the online monitoring method of the transformer substation online monitoring system, the buzzer 402 is arranged at the electric control output end of the temperature control switch 401, so that when the temperature control switch 401 senses that the measured lead is high in temperature, the buzzer 402 can be started, and the alarm sound sent by the buzzer 402 can enable a worker to find problems in time, so that the safety of the monitoring system is improved.
The parts not involved in the present invention are the same as or can be implemented by the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An online monitoring method of a transformer substation online monitoring system is characterized by comprising the following steps:
firstly, preparing a tool, namely fixedly mounting a heat dissipation mechanism (2) on a pincerlike ammeter main body (100) of a monitoring mechanism (1) through a connecting arm, and fixedly mounting a positioning mechanism (3) on a box body (200) through a plate body (300) so that the heat dissipation mechanism (2) and the positioning mechanism (3) are respectively arranged on two sides of the monitoring mechanism (1);
secondly, conducting wire preliminary positioning, namely enabling the conducting wire to be subjected to current monitoring to penetrate through a through groove (212) of the rectangular hollow shell (210) and extend out of the interior of the tubular hollow shell (213), and enabling the conducting wire to be positioned between two clamping blocks (304) of the positioning mechanism (3);
step three, completely positioning the conductive wire, loosening the bolt (311), enabling the bolt (311) to move downwards in the support (309), driving the push block (310) to gradually loosen and extrude the two hemispherical blocks (308), and after the hemispherical blocks (308) lose the external force action, driving the sliding rod (301) to slide in the plate body (300) by the movable plate (302) under the action of the spring (306), driving the clamping block (304) to clamp the conductive wire through the connecting rod (303), enabling the conductive wire to be positioned in the central part of the jaw of the movable clamp (104) and perpendicular to the jaw, and enabling the current monitoring value on the numerical display (101) to be kept stable;
monitoring temperature, wherein when the temperature control switch (401) senses that the temperature emitted by the measured conductive wire is higher than a set value, the fan (201) and the buzzer (402) are automatically started, the buzzer (402) gives out alarm sound, and the fan (201) starts a heat dissipation function;
fifthly, heat dissipation treatment is carried out, after the fan (201) is started, wind power enters the rectangular hollow shell (210) through the corrugated pipe communicated with the top of the box body (200), a space for guiding air in the rectangular hollow shell (210) is not contacted with the through groove (212), the wind power can enter the tubular hollow shell (213), and the wind power is blown out through the air outlet pipe (214) and the air outlet nozzle (215), so that the conducting wire is subjected to heat dissipation treatment;
sixthly, adjusting the position, namely starting a motor (207), so that the motor (207) drives a worm (206) to rotate clockwise or anticlockwise on a supporting plate (205), and further a worm wheel (209) drives a rectangular hollow shell (210) to rotate on a vertical plate (211), and the vertical plate (211) drives an air outlet nozzle (215) to adjust the position through a tubular hollow shell (213) and an air outlet pipe (214), so that the air outlet nozzle (215) can better perform heat dissipation treatment on a conductive wire with overhigh temperature;
and seventhly, monitoring the windings, namely when the current of the conducting wire is monitored by the aid of the stop block (105) which is wound on the movable clamp (104) according to the number of turns, the stop block (105) can prevent multiple sections of conducting wires from being touched and interwoven together when the conducting wire is monitored by the windings, so that temperature is increased and monitoring effect is influenced.
2. The online monitoring method of the online substation monitoring system according to claim 1, characterized in that: in the first step, the auxiliary heat dissipation mechanism (2) and the positioning mechanism (3) are facilitated to be installed by the handheld handle (102), the reading surface of the numerical value display (101) is located on the side where the positioning mechanism (3) is located, and the reading of the current monitoring numerical value by the derivative value display (101) cannot be influenced by the positioning mechanism (3).
3. The online monitoring method of the online substation monitoring system according to claim 1, characterized in that: in the first step, an iron core and a mutual inductor are arranged in a movable clamp (104) arranged on a clamp ammeter main body (100), a measured conducting wire penetrating through the iron core becomes a primary coil of the current mutual inductor, and current is induced in an induction coil (103) serving as a secondary coil through the inside of the measured conducting wire, so that a numerical display (101) connected with the induction coil (103) displays the current numerical value.
4. The online monitoring method of the online substation monitoring system according to claim 1, characterized in that: in the second step, the rectangular hollow shell (210) is communicated with the inside of the tubular hollow shell (213) through the through groove, so that the conductive wire can penetrate through the rectangular hollow shell (210) and the tubular hollow shell (213) at the same time, meanwhile, a communication space for transmitting heat dissipation wind power is also formed in the rectangular hollow shell (210) and the tubular hollow shell (213), and the two communication spaces are not mutually influenced.
5. The online monitoring method of the online substation monitoring system according to claim 1, characterized in that: in the third step, the fixed rod (307) fixedly connects the hemispherical block (308) and the movable plate (302) together, and the connecting rod (303) fixedly connects the clamping block (304) and the movable plate (302) together.
6. The online monitoring method of the online substation monitoring system according to claim 1, characterized in that: in the fourth step, the temperature control switch (401) is fixedly arranged on the connecting rod (303), and the electric control output end of the temperature control switch (401) is connected with the fan (201) and the buzzer (402) in series through the connecting wire.
7. The online monitoring method of the online substation monitoring system according to claim 1, characterized in that: in the fifth step, air inlet grooves (216) are uniformly formed in the bottom of the box body (200) so that external air can smoothly enter the box body (200).
8. The online monitoring method of the online substation monitoring system according to claim 1, characterized in that: in the sixth step, the output shaft of the motor (207) has the function of forward and reverse rotation, and the connecting plate (208) can perform strong fixed support on the motor (207).
9. The online monitoring method of the online substation monitoring system according to claim 1, characterized in that: in the seventh step, the outside of the stop block (105) is coated with composite damping heat insulation cotton with the function of insulation and heat insulation.
10. The online monitoring method of the online substation monitoring system according to claim 7, characterized in that: in the fifth step, a door (203) is hinged to one side of the box body (200), and the door (203) can be closed on the box body (200) by pushing the insertion block (204) made of metal material into the insertion groove (202) provided with the magnet, so that the interior of the box body (200) can be kept in a good sealing state.
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| CN208043993U (en) * | 2018-04-19 | 2018-11-02 | 国网湖北省电力有限公司荆门供电公司 | A kind of new distribution cable road on-Line Monitor Device |
| CN208833825U (en) * | 2018-09-04 | 2019-05-07 | 漳州市威华电子有限公司 | A kind of small-sized clamp on amperemeter |
| CN109755010A (en) * | 2019-03-13 | 2019-05-14 | 浙江天际互感器有限公司 | A kind of voltage transformer with air duct radiation and secondary fusing |
| CN110632450A (en) * | 2019-08-16 | 2019-12-31 | 国网浙江省电力有限公司湖州供电公司 | Intelligent low-voltage distribution network patrol instrument device |
| CN211824813U (en) * | 2020-05-07 | 2020-10-30 | 耿启征 | Temperature cycle monitoring device for power transmission cable |
| CN112147395A (en) * | 2020-09-25 | 2020-12-29 | 广东电网有限责任公司广州供电局 | Clamp-on ammeter adapter and current measuring device |
| CN112378523A (en) * | 2020-12-16 | 2021-02-19 | 湖南省润诚达新能源科技股份有限公司 | Intelligent monitoring device capable of measuring bus temperature and current |
| CN112858763A (en) * | 2020-12-31 | 2021-05-28 | 贵州电网有限责任公司 | 10kV distribution lines overvoltage on-line monitoring device |
| CN213364932U (en) * | 2020-10-27 | 2021-06-04 | 安徽北斗易通信息技术有限公司 | Intelligent monitoring device for circuit hidden danger |
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| CN208833825U (en) * | 2018-09-04 | 2019-05-07 | 漳州市威华电子有限公司 | A kind of small-sized clamp on amperemeter |
| CN109755010A (en) * | 2019-03-13 | 2019-05-14 | 浙江天际互感器有限公司 | A kind of voltage transformer with air duct radiation and secondary fusing |
| CN110632450A (en) * | 2019-08-16 | 2019-12-31 | 国网浙江省电力有限公司湖州供电公司 | Intelligent low-voltage distribution network patrol instrument device |
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| CN213364932U (en) * | 2020-10-27 | 2021-06-04 | 安徽北斗易通信息技术有限公司 | Intelligent monitoring device for circuit hidden danger |
| CN112378523A (en) * | 2020-12-16 | 2021-02-19 | 湖南省润诚达新能源科技股份有限公司 | Intelligent monitoring device capable of measuring bus temperature and current |
| CN112858763A (en) * | 2020-12-31 | 2021-05-28 | 贵州电网有限责任公司 | 10kV distribution lines overvoltage on-line monitoring device |
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