CN112671037A - Micro-grid power droop control device and control method thereof - Google Patents
Micro-grid power droop control device and control method thereof Download PDFInfo
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- CN112671037A CN112671037A CN202011551442.7A CN202011551442A CN112671037A CN 112671037 A CN112671037 A CN 112671037A CN 202011551442 A CN202011551442 A CN 202011551442A CN 112671037 A CN112671037 A CN 112671037A
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Abstract
The invention discloses a micro-grid power droop control device and a control method thereof, and particularly relates to the technical field of droop control equipment, wherein the micro-grid power droop control device comprises a droop controller main body, wherein a control mechanism and a cooling mechanism are arranged on one side of the droop controller main body, and the cooling mechanism is arranged outside the control mechanism; control mechanism includes heat conduction silica gel, heat conduction silica gel is fixed to be established in first wire outer end, the inside thermistor wire that is equipped with of heat conduction silica gel, thermistor wire and heat conduction silica gel fixed connection, the thermistor wire both ends are passed heat conduction silica gel and are extended heat conduction silica gel one side, the fixed battery that is equipped with of second wire one end. According to the invention, the temperature of the first lead is detected by using the thermistor wire, and when the temperature is higher, cold water can be automatically introduced into the first radiating pipe and the second radiating pipe, so that the first lead can be cooled, the resistance of the first lead is prevented from being increased, and the influence on the output power of the droop controller main body can be avoided.
Description
Technical Field
The embodiment of the invention relates to the technical field of droop control equipment, in particular to a micro-grid power droop control device and a control method thereof.
Background
With the increasing of the electricity utilization load in recent years, the power grid construction is not synchronously developed along with the increasing of the load, so that the long-distance power transmission capacity is continuously expanded, and the operation stability and the safety of a power grid system are reduced. In view of the above problems, distributed power generation technology is developed through continuous development and improvement. By distributed generation is meant the supply of power to loads in a distribution network by establishing separate micro-power sources in the distribution network and connecting to a large power grid through a point of common connection and enabling energy exchange with an external power grid. The electric energy of the micro-grid mainly comes from various distributed power supplies and is strongly restricted by natural environment; and networked through power electronics. Therefore, the transmission of the power of the microgrid among various distributed power supplies, storage devices and loads is complex, and the development of the microgrid is severely restricted. Relevant researches are respectively carried out by various countries aiming at the problem, and a micro-grid power control system based on PQ control, droop control and inverted droop control is established, wherein the droop control is mainly realized by a droop controller, and the droop controller is divided into a voltage droop controller and a frequency droop controller.
In the working process of the droop controller, a plurality of power inverters need to be connected in parallel in a circuit, and the resistance of the power transmission line is increased along with the increase of the temperature, so that once the circuit load is large, the temperature of the power transmission line can be increased, the resistance of the power transmission line is easy to increase, and the output power of the droop controller is easy to influence.
Disclosure of Invention
Therefore, the embodiment of the invention provides a micro-grid power droop control device and a control method thereof, wherein the temperature of a first lead is detected by using a thermistor wire, and when the temperature is higher, cold water can be automatically introduced into a first radiating pipe and a second radiating pipe, so that the first lead can be cooled, the resistance of the first lead is prevented from being increased, the influence on the output power of a droop controller main body can be avoided, and the problem that the output power of the droop controller is influenced due to the increase of the resistance caused by the higher temperature of the lead in the prior art is solved.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: a micro-grid power droop control device comprises a droop controller main body, wherein a control mechanism and a cooling mechanism are arranged on one side of the droop controller main body, and the cooling mechanism is arranged outside the control mechanism;
the control mechanism comprises heat-conducting silica gel, the heat-conducting silica gel is fixedly arranged at the outer end of a first lead, a thermistor wire is arranged in the heat-conducting silica gel, the thermistor wire is fixedly connected with the heat-conducting silica gel, two ends of the thermistor wire penetrate through the heat-conducting silica gel and extend out of one side of the heat-conducting silica gel, one end of the thermistor wire positioned at the top of the first lead is fixedly provided with a second lead, one end of the second lead is fixedly provided with a storage battery, the storage battery is arranged at one side of the heat-conducting silica gel, the first lead is arranged at the bottom of the storage battery, a third lead is fixedly arranged at the bottom of the storage battery, an ammeter is fixedly arranged at the bottom of the third lead, a fourth lead is fixedly arranged at the bottom of the ammeter, one end of the fourth lead is fixedly connected with the other end, fifth wire one end and fourth wire fixed connection, the mechanism of cooling establishes at the heat conduction silica gel outside.
Further, the cooling mechanism comprises a first radiating pipe and a second radiating pipe which are arranged at the outer end of the heat conducting silica gel, the second radiating pipe and the first radiating pipe are wound at the outer end of the heat conducting silica gel in a crossed manner, one end of the first radiating pipe is fixedly provided with a second water pump, a second connecting pipe is fixedly arranged at the rear side of the second water pump, a second water tank is fixedly arranged at the rear end of the second connecting pipe, a first water tank is fixedly arranged at the other end of the first radiating pipe, a first water pump is fixedly arranged at one end of the second radiating pipe, a first connecting pipe is fixedly arranged at the rear side of the first water pump, one end of the first connecting pipe is fixedly connected with the front side of the first water tank, first connecting pipe is established in first cooling tube bottom, the first cooling tube other end and second water tank front side fixed connection, first cooling tube is established at second connecting pipe top.
Further, first cooling tube and second cooling tube outer end are equipped with the radiation shield, radiation shield and first cooling tube and second cooling tube fixed connection, battery, ampere meter and controller are all established in radiation shield one side.
Further, the heat conduction silica gel both sides are all fixed and are equipped with the baffle, the baffle is fixed to be established in first wire outer end, heat conduction silica gel outer end and the inner fixed connection of radiation shield, the second wire is established in the baffle outer end and is passed inside the baffle extends into the baffle.
Furthermore, a water inlet pipe and a water outlet pipe are fixedly arranged on the front sides of the first water tank and the second water tank, the water inlet pipe is arranged at the top of the water outlet pipe, and cold water can be conveniently injected into the first water tank and the second water tank by the aid of the water inlet pipe.
Furthermore, a first switch valve is fixedly arranged at the outer end of the water inlet pipe, and a second switch valve is fixedly arranged at the outer end of the water outlet pipe.
Furthermore, a power electronic interface is fixedly arranged at one end of the first lead, and a micro power supply is fixedly arranged on one side of the power electronic interface.
The invention also comprises a control method of the micro-grid power droop control device, which comprises the following specific steps:
the method comprises the following steps: the micro power supply works to transmit current to the first lead through the power electronic interface, and then the current is transmitted to the droop controller main body through the first lead, so that the droop controller main body can equally divide load current;
step two: opening a first switch valve, and then injecting a proper amount of cold water into the first water tank and the second water tank through the water inlet pipe;
step three: setting a minimum current value for the fourth lead, starting the storage battery to enable the storage battery to transmit current to the thermistor wire through the second lead, then transmitting the current to the fourth lead through the thermistor wire, transmitting the current to the ammeter through the fourth lead, and then transmitting the current to the storage battery through the third lead to form a closed loop, so that the thermistor wire can be electrified and the temperature of the first lead can be monitored;
step four: starting the controller, and connecting the controller with the fourth lead by using two fifth leads;
step five: the temperature of the first lead can be increased after the first lead works for a long time, so that the resistance value of a power-on circuit is easy to increase, the output power of the droop controller main body is influenced, when the temperature of the first lead is increased, heat can be transferred to the heat-conducting silica gel, then the heat-conducting silica gel can transfer the heat to the thermistor wire, so that the temperature of the thermistor wire is increased, when the temperature of the thermistor wire is increased, the resistance value of the thermistor wire is increased along with the increase of the temperature, when the temperature of the first lead is higher, the resistance value of the thermistor wire is larger, because the power voltage provided by the storage battery is constant, the increase of the resistance in the circuit where the storage battery is located can cause the current in the circuit to be reduced, and the fourth lead can display the current value in the circuit, when the current value in the circuit is smaller than the set, the controller will be opened, then the controller will control first water pump and second water pump work, and make first water pump through first connecting pipe with the inside cold water suction second radiator intraduct of first water tank, make the second water pump through the inside cold water suction first radiator intraduct of second connecting pipe in with the second water tank, make cold water can get into from the both ends of first wire respectively, then cold water in the first radiator can get into inside the first water tank through the other end, cold water in the second radiator can get into inside the second water tank through the other end, in order to realize the cyclic utilization of water resource, and cold water can effectually absorb the heat that heat conduction silica gel distributed out at the inside in-process that flows of first radiator and second radiator, thereby can absorb the heat that first wire distributed out, in order to reduce the temperature of first wire.
The embodiment of the invention has the following advantages:
the invention can lead the temperature change of the first lead wire to be sensed in time by installing the heat-conducting silica gel at the outer end of the first lead wire and installing the thermistor wire in the heat-conducting silica gel, when the temperature of the first lead wire rises, the heating temperature of the thermistor wire rises, the resistance value of the thermistor wire also increases after the temperature rises, and as the output voltage value of the storage battery does not change, the current values in the circuits of the storage battery and the ammeter are reduced when the resistance increases, so that the current values can be displayed by the ammeter, once the value displayed by the ammeter is smaller than a limit value, the controller can control the first water pump and the second water pump to work, so that cold water in the first water tank and the second water tank can be respectively pumped into the first radiating pipe and the second radiating pipe, and the flowing directions of the cold water in the first radiating pipe and the second radiating pipe are opposite, so that the heat radiated by the first lead wire can be fully absorbed, compared with the prior art, the temperature of the first wire in the low-pass circuit can be effectively reduced, so that the resistance value of the first wire can be prevented from being increased, and the influence on the output power of the droop controller main body can be prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic view of the overall structure provided by the present invention;
fig. 2 is a schematic structural view of a first heat dissipation conduit and a second heat dissipation conduit provided in the present invention;
FIG. 3 is an enlarged view of B of FIG. 2 according to the present invention;
FIG. 4 is a side view of an ammeter and controller provided in accordance with the present invention;
fig. 5 is a schematic structural view of a first heat dissipation conduit and a heat conductive silica gel according to the present invention;
FIG. 6 is an enlarged view of A of FIG. 1 in accordance with the present invention;
fig. 7 is a schematic structural view of the heat-conducting silica gel and the thermistor wire provided by the invention.
In the figure: 1 droop controller main part, 2 first wire, 3 power electronic interface, 4 little power, 5 baffles, 6 heat conduction silica gel, 7 thermistor wires, 8 second wire, 9 battery, 10 third wire, 11 ampere meter, 12 fourth wire, 13 Programmable Logic Controller (PLC), 14 fifth wire, 15 first cooling tube, 16 first water pump, 17 first connecting tube, 18 first water tank, 19 second cooling tube, 20 second water pump, 21 second connecting tube, 22 second water tank, 23 inlet tube, 24 first ooff valve, 25 outlet pipes, 26 second ooff valve, 27 heat insulating sleeve.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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 the attached drawings 1-7 in the specification, the micro-grid power droop control device of the embodiment comprises a droop controller main body 1, wherein a control mechanism and a cooling mechanism are arranged on one side of the droop controller main body 1, and the cooling mechanism is arranged outside the control mechanism;
the control mechanism comprises heat-conducting silica gel 6, the heat-conducting silica gel 6 is fixedly arranged at the outer end of a first lead 2, a thermistor wire 7 is arranged inside the heat-conducting silica gel 6, the thermistor wire 7 is fixedly connected with the heat-conducting silica gel 6, two ends of the thermistor wire 7 penetrate through the heat-conducting silica gel 6 and extend out of one side of the heat-conducting silica gel 6, one end of the thermistor wire 7 positioned at the top of the first lead 2 is fixedly provided with a second lead 8, one end of the second lead 8 is fixedly provided with a storage battery 9, the storage battery 9 is arranged at one side of the heat-conducting silica gel 6, the first lead 2 is arranged at the bottom of the storage battery 9, a third lead 10 is fixedly arranged at the bottom of the storage battery 9, an ammeter 11 is fixedly arranged at the bottom end of the third lead 10, a fourth lead 12 is fixedly arranged at the, be equipped with controller 13 between ampere meter 11 and the battery 9, controller 13 bottom is fixed and is equipped with two fifth wires 14, 14 one end of fifth wire and 12 fixed connection of fourth wire, cooling mechanism establishes in heat conduction silica gel 6 outsidely.
Further, the cooling mechanism comprises a first radiating pipe 15 and a second radiating pipe 19, the first radiating pipe 15 and the second radiating pipe 19 are arranged at the outer end of the heat conducting silica gel 6, the second radiating pipe 19 and the first radiating pipe 15 are wound at the outer end of the heat conducting silica gel 6 in a crossed manner, a second water pump 20 is fixedly arranged at one end of the first radiating pipe 15, a second connecting pipe 21 is fixedly arranged at the rear side of the second water pump 20, a second water tank 22 is fixedly arranged at the rear end of the second connecting pipe 21, a first water tank 18 is fixedly arranged at the other end of the first radiating pipe 15, a first water pump 16 is fixedly arranged at one end of the second radiating pipe 19, a first connecting pipe 17 is fixedly arranged at the rear side of the first water pump 16, one end of the first connecting pipe 17 is fixedly connected with the front side of the first water tank 18, the first connecting pipe 17 is arranged at the bottom of the first radiating pipe 15, the other end of, the first radiating pipe 15 is disposed at the top of the second connecting pipe 21, so that the cold water flowing in the first and second radiating pipes 15 and 19 can absorb the heat emitted from the first conducting wire 2, thereby reducing the temperature of the first conducting wire 2.
Further, first cooling tube 15 and second cooling tube 19 outer end are equipped with radiation cover 27, radiation cover 27 and first cooling tube 15 and second cooling tube 19 fixed connection, battery 9, ampere meter 11 and controller 13 all are established in radiation cover 27 one side, are convenient for protect inside first cooling tube 15 and second cooling tube 19, also are convenient for completely cut off external heat.
Further, 6 both sides of heat conduction silica gel are all fixed and are equipped with baffle 5, baffle 5 is fixed to be established in 2 outer ends of first wire, 6 outer ends of heat conduction silica gel and 27 inner fixed connection of radiation shield casing, second wire 8 is established in 5 outer ends of baffle and is passed baffle 5 and extend into baffle 5 inside, is convenient for protect inside heat conduction silica gel 6.
Further, a water inlet pipe 23 and a water outlet pipe 25 are fixedly arranged on the front sides of the first water tank 18 and the second water tank 22, the water inlet pipe 23 is arranged on the top of the water outlet pipe 25, cold water can be conveniently injected into the first water tank 18 and the second water tank 22 through the water inlet pipe 23, and cold water in the first water tank 18 and the second water tank 22 can be conveniently discharged through the water outlet pipe 25.
Furthermore, a first switch valve 24 is fixedly arranged at the outer end of the water inlet pipe 23, and a second switch valve 26 is fixedly arranged at the outer end of the water outlet pipe 25, so that cold water in the second water tank 22 and the first water tank 18 can be prevented from flowing out.
Furthermore, a power electronic interface 3 is fixedly arranged at one end of the first lead 2, and a micro power source 4 is fixedly arranged on one side of the power electronic interface 3, so that the load power is distributed conveniently.
The invention also comprises a control method of the micro-grid power droop control device, which comprises the following specific steps:
the method comprises the following steps: the micro power supply 4 works to transmit current to the first lead 2 through the power electronic interface 3, and then transmits the current to the droop controller main body 1 through the first lead 2, so that the droop controller main body 1 can equally divide load current;
step two: the first switch valve 24 is opened, and then a proper amount of cold water is injected into the first water tank 18 and the second water tank 22 through the water inlet pipe 23;
step three: firstly, setting a minimum current value for the fourth lead 12, then starting the storage battery 9, enabling the storage battery 9 to transmit current to the thermistor wire 7 through the second lead 8, then transmitting the current to the fourth lead 12 through the thermistor wire 7, transmitting the current to the ammeter 11 through the fourth lead 12, and then transmitting the current to the storage battery 9 through the third lead 10 to form a closed loop, enabling the thermistor wire 7 to be electrified and monitoring the temperature of the first lead 2;
step four: the controller 13 is started, and the controller 13 is connected with the fourth lead 12 by two fifth leads 14;
step five: the temperature of the first lead 2 can be increased after long-time working, so that the resistance value of a power-on circuit can be easily increased, and the output power of the droop controller main body 1 is influenced, when the temperature of the first lead 2 is increased, heat can be transferred to the heat-conducting silica gel 6, then the heat-conducting silica gel 6 can transfer heat to the thermistor wire 7, so that the temperature of the thermistor wire 7 is increased, when the temperature of the thermistor wire 7 is increased, the resistance value of the thermistor wire 7 is increased along with the temperature increase, so that when the temperature of the first lead 2 is higher, the resistance value of the thermistor wire 7 is larger, as the power supply voltage provided by the storage battery 9 is constant, the resistance increase in the circuit where the storage battery 9 is located can lead to the current reduction in the circuit, and the fourth lead 12 can display the current value in the circuit, when the current value in the circuit is smaller than the set minimum current value, the controller 13 is turned on, and then the controller 13 controls the first water pump 16 and the second water pump 20 to operate, and causes the first water pump 16 to pump the cold water inside the first water tank 18 into the second radiating pipe 19 through the first connecting pipe 17, causes the second water pump 20 to pump the cold water in the second water tank 22 into the first radiating pipe 15 through the second connecting pipe 21, so that the cold water can enter from both ends of the first conducting wire 2, respectively, then the cold water in the first radiating pipe 15 enters into the first water tank 18 through the other end, the cold water in the second radiating pipe 19 enters into the second water tank 22 through the other end, so as to realize the recycling of water resources, and the cold water can effectively absorb the heat emitted from the heat conducting silica gel 6 during the flowing process inside the first radiating pipe 15 and the second radiating pipe 19, so as to absorb the heat emitted from the first conducting wire 2, the temperature of the first wire 2 is reduced, so that the resistance of the first wire 2 can be prevented from increasing, and the influence of the resistance on the output power of the droop controller main body 1 can be prevented.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The utility model provides a little electric wire netting power droop controlling means, includes droop controller main part (1), its characterized in that: one side of the droop controller main body (1) is provided with a control mechanism and a cooling mechanism, and the cooling mechanism is arranged outside the control mechanism;
the control mechanism comprises heat-conducting silica gel (6), the heat-conducting silica gel (6) is fixedly arranged at the outer end of a first lead (2), a thermistor wire (7) is arranged inside the heat-conducting silica gel (6), the thermistor wire (7) is fixedly connected with the heat-conducting silica gel (6), two ends of the thermistor wire (7) penetrate through the heat-conducting silica gel (6) and extend out of one side of the heat-conducting silica gel (6), a second lead (8) is fixedly arranged at one end of the thermistor wire (7) at the top of the first lead (2), a storage battery (9) is fixedly arranged at one end of the second lead (8), the storage battery (9) is arranged at one side of the heat-conducting silica gel (6), the first lead (2) is arranged at the bottom of the storage battery (9), a third lead (10) is fixedly arranged at the bottom of the storage battery (9), an ammeter (11) is, the improved multifunctional electric heating wire is characterized in that a fourth lead (12) is fixedly arranged at the bottom of the ammeter (11), one end of the fourth lead (12) is fixedly connected with the other end of the thermistor wire (7), a controller (13) is arranged between the ammeter (11) and the storage battery (9), two fifth leads (14) are fixedly arranged at the bottom of the controller (13), one end of each fifth lead (14) is fixedly connected with the fourth lead (12), and the cooling mechanism is arranged outside the heat-conducting silica gel (6).
2. The microgrid power droop control apparatus of claim 1, wherein: the cooling mechanism comprises a first radiating pipe (15) and a second radiating pipe (19), the outer end of the heat-conducting silica gel (6) is arranged at the first radiating pipe (15) and the second radiating pipe (19), the second radiating pipe (19) and the first radiating pipe (15) are wound at the outer end of the heat-conducting silica gel (6) in a crossed manner, a second water pump (20) is fixedly arranged at one end of the first radiating pipe (15), a second connecting pipe (21) is fixedly arranged at the rear side of the second water pump (20), a second water tank (22) is fixedly arranged at the rear end of the second connecting pipe (21), a first water tank (18) is fixedly arranged at the other end of the first radiating pipe (15), a first water pump (16) is fixedly arranged at one end of the second radiating pipe (19), a first connecting pipe (17) is fixedly arranged at the rear side of the first water pump (16), one end of the first connecting pipe (17) is fixedly connected with the front, first connecting pipe (17) are established in first cooling tube (15) bottom, first cooling tube (15) other end and second water tank (22) front side fixed connection, first cooling tube (15) are established at second connecting pipe (21) top.
3. The microgrid power droop control device and the control method thereof according to claim 2, characterized in that: first cooling tube (15) and second cooling tube (19) outer end are equipped with radiation shield (27), radiation shield (27) and first cooling tube (15) and second cooling tube (19) fixed connection, battery (9), ampere meter (11) and controller (13) are all established in radiation shield (27) one side.
4. The microgrid power droop control apparatus of claim 3, wherein: heat conduction silica gel (6) both sides are all fixed and are equipped with baffle (5), baffle (5) are fixed to be established in first wire (2) outer end, heat conduction silica gel (6) outer end and insulation cover (27) inner fixed connection, establish in baffle (5) outer end and pass baffle (5) and extend into baffle (5) inside second wire (8).
5. The microgrid power droop control apparatus of claim 2, wherein: the water inlet pipe (23) and the water outlet pipe (25) are fixedly arranged on the front sides of the first water tank (18) and the second water tank (22), and the water inlet pipe (23) is arranged at the top of the water outlet pipe (25).
6. The microgrid power droop control apparatus of claim 1, wherein: the outer end of the water inlet pipe (23) is fixedly provided with a first switch valve (24), and the outer end of the water outlet pipe (25) is fixedly provided with a second switch valve (26).
7. The microgrid power droop control apparatus of claim 1, wherein: the power electronic interface (3) is fixedly arranged at one end of the first lead (2), and the micro power source (4) is fixedly arranged on one side of the power electronic interface (3).
8. The microgrid power droop control apparatus of any one of claims 1-7, wherein: the control method of the micro-grid power droop control device comprises the following specific steps:
the method comprises the following steps: the micro power supply (4) works to transmit current to the first lead (2) through the power electronic interface (3), and then transmits the current to the droop controller main body (1) through the first lead (2), so that the droop controller main body (1) can equally divide load current;
step two: the first switch valve (24) is opened, and then a proper amount of cold water is injected into the first water tank (18) and the second water tank (22) through the water inlet pipe (23);
step three: firstly, a minimum current value is set for a fourth lead (12), then a storage battery (9) is started, so that the storage battery (9) can transmit current to a thermistor wire (7) through a second lead (8), then the current is transmitted to the fourth lead (12) through the thermistor wire (7), the current is transmitted to an ammeter (11) through the fourth lead (12), and then the current is transmitted to the storage battery (9) through a third lead (10) to form a closed loop, so that the thermistor wire (7) can be electrified and the temperature of a first lead (2) is monitored;
step four: the controller (13) is started, and the controller (13) is connected with the fourth lead (12) by two fifth leads (14);
step five: the temperature of the first lead (2) can be increased after the first lead works for a long time, so that the resistance value of a power-on circuit can be easily increased, and the output power of the droop controller main body (1) is influenced, when the temperature of the first lead (2) is increased, heat can be transferred to the heat-conducting silica gel (6), then the heat can be transferred to the thermistor wire (7) by the heat-conducting silica gel (6), so that the temperature of the thermistor wire (7) is increased, when the temperature of the thermistor wire (7) is increased, the resistance value of the thermistor wire (7) is increased along with the temperature increase, so that the resistance value of the thermistor wire (7) is increased when the temperature of the first lead (2) is higher, the power supply voltage provided by the storage battery (9) is constant, the resistance increase in the circuit where the storage battery (9) is located can cause the current reduction in the circuit, and the fourth lead (12) can display the current value in the circuit, once the current value in the circuit is less than the set minimum current value, the controller (13) is turned on, then the controller (13) controls the first water pump (16) and the second water pump (20) to work, and the first water pump (16) pumps the cold water in the first water tank (18) into the second radiating pipe (19) through the first connecting pipe (17), the second water pump (20) pumps the cold water in the second water tank (22) into the first radiating pipe (15) through the second connecting pipe (21), so that the cold water can enter from the two ends of the first conducting wire (2), respectively, then the cold water in the first radiating pipe (15) enters the first water tank (18) through the other end, the cold water in the second radiating pipe (19) enters the second water tank (22) through the other end, so as to realize the recycling of water resources, and the cold water can effectively absorb the heat-conducting silica gel (c) in the process of flowing in the first radiating pipe (15) and the second radiating pipe (19) 6) The heat emitted thereby can absorb the heat emitted by the first wire (2) to reduce the temperature of the first wire (2).
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