CN111969625B - Non-perception user load interaction adjustment system - Google Patents
Non-perception user load interaction adjustment system Download PDFInfo
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- CN111969625B CN111969625B CN202010633687.8A CN202010633687A CN111969625B CN 111969625 B CN111969625 B CN 111969625B CN 202010633687 A CN202010633687 A CN 202010633687A CN 111969625 B CN111969625 B CN 111969625B
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- 230000005611 electricity Effects 0.000 claims description 32
- 230000002457 bidirectional effect Effects 0.000 claims description 28
- 238000004891 communication Methods 0.000 claims description 28
- 238000012544 monitoring process Methods 0.000 claims description 23
- 239000000779 smoke Substances 0.000 claims description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 14
- 229910052710 silicon Inorganic materials 0.000 claims description 14
- 239000010703 silicon Substances 0.000 claims description 14
- 230000002452 interceptive effect Effects 0.000 claims description 13
- 238000012423 maintenance Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000012188 paraffin wax Substances 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000008602 contraction Effects 0.000 claims description 3
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical compound FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000033228 biological regulation Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- JRHNUZCXXOTJCA-UHFFFAOYSA-N 1-fluoropropane Chemical compound CCCF JRHNUZCXXOTJCA-UHFFFAOYSA-N 0.000 description 1
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- 230000002950 deficient Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
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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
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a non-perception user load interaction adjusting system, which comprises a user load acquisition device, a power grid terminal, an adjusting module and an energy storage device, wherein the user load acquisition device is connected with the power grid terminal; the user load acquisition device is arranged on a line on the side of the user electric meter and is used for acquiring the power load of a user and is connected with the power grid terminal; the power grid terminal is used for controlling the adjusting module to adjust the power transmitted to the user according to the power load of the user; the adjusting module controls the energy storage device to store energy at the power grid side or discharge at the user side according to the received instruction; the energy storage device comprises a mobile device, an energy storage box and a fire protection system, and the energy storage box is arranged on the mobile device; according to the invention, the user power consumption load information is acquired through the user load acquisition device, so that the power grid can master the user power consumption condition at the first time, the user load can be adjusted in advance by one step, and the user loss is reduced; through fault detection device, carry out more accurate detection to the fault type, the device is simple, and detection range is wide.
Description
Technical Field
The invention relates to the technical field of power grid load regulation, in particular to an unaware user load interactive regulation system.
Background
The non-perception user load adjustment is to realize uninterrupted power supply and uninterrupted power supply of a user through distributed energy storage, and give the user good electricity consumption experience, and the distributed energy storage is mainly installed on a user side or a distributed power generation side and is mainly used for storing excessive distributed power generation energy, so that fluctuation of distributed power generation output is stabilized to reduce influence on a power distribution network.
At present, a power grid gradually adopts wind power and solar energy to generate electricity, the electricity quantity generated at certain moments is too much, the electricity quantity stored by an energy storage station cannot be stored after reaching the upper limit, so that part of energy is lost, meanwhile, in the aspect of electricity utilization allocation of the power grid, a plurality of special time periods exist, users are all in electricity utilization peaks, the electricity consumption is increased sharply, the risk of insufficient power supply is caused, meanwhile, the monitoring and fire-fighting measures of the existing distributed energy storage system are deficient, and a large amount of cost loss is caused to the power grid.
Meanwhile, the current distributed energy storage is mainly used for discharging the users after the users are powered off, the users feed back to the power grid, the power grid discharges the power-off users by using the distributed energy storage under the condition of afterfeel, and in the period of time, a large amount of loss is caused for the users needing power urgently, the power consumption experience of the users is poor, and the problem that the power grid power consumption load is not timely scheduled occurs.
For example, a "a distributed energy storage system and control method" disclosed in chinese patent literature, its bulletin number: CN108767882a, filing date: the power supply comprises an energy storage bus and N distributed converters, wherein N is more than or equal to 2; the distributed converter comprises a power electronic conversion unit and at least one separated energy storage unit, wherein the separated energy storage unit comprises an energy storage unit, a first switch group and a second switch group, the first switch group is connected in series between the energy storage unit and the direct current side of the power electronic conversion unit, and the energy storage unit is separated from the power electronic conversion unit by separating an anode switch and a cathode switch in the first switch group; the second switch group is connected in series between the energy storage unit and the energy storage bus, and the energy storage unit is separated from the energy storage bus by separating the positive switch from the negative switch in the second switch group. When the circuit of the distributed energy storage system has a short circuit fault, the fault processing of the energy storage system cannot be carried out, when one device has a fault, other devices are easily damaged, large loss is caused, and the non-perception load adjustment of a user is difficult to realize.
Disclosure of Invention
The invention mainly solves the problems that the power grid power consumption load is not timely regulated and the power consumption load of a user cannot be regulated in advance in the prior art; the utility model provides an interactive adjustment system of no perception user load carries out real-time data acquisition to user's electricity load, realizes the storage to the excessive electric quantity of electric wire netting and in time the replenishment when user overload uses electricity, carries out comprehensive control to distributed energy storage device, ensures that distributed energy storage device is in real-time usable state.
The technical problems of the invention are mainly solved by the following technical proposal: the non-perception user load interactive adjustment system comprises a user load acquisition device, a power grid terminal, an adjustment module and an energy storage device; the user load acquisition device is arranged on a circuit of the user electricity meter side and is used for acquiring the electricity load of a user and is connected with the power grid terminal; the power grid terminal is used for controlling the adjusting module to adjust the power transmitted to the user according to the power load of the user; the adjusting module controls the energy storage device to store energy at the power grid side or discharge the energy at the user side according to the received instruction; the energy storage device comprises a mobile device, an energy storage box and a fire protection system, wherein the energy storage box is arranged on the mobile device, and the fire protection system is arranged on the energy storage box; the energy storage box comprises a box body, a plurality of battery modules, a plurality of battery brackets, a battery management system, a first bidirectional inverter, a second bidirectional inverter and a monitoring system; the battery brackets are distributed and arranged in the box body; the battery modules are arranged on the battery bracket, and a plurality of battery modules are connected with the battery management system; the box body is provided with a power grid side power interface and a user side power interface, the input end of the first bidirectional inverter is connected with the power grid side power interface, the output end of the first bidirectional inverter is connected with the battery module, the output end of the second bidirectional inverter is connected with the user side power interface, and the input end of the second inverter is connected with the battery module; the monitoring system is used for monitoring whether the energy storage box fails or not, and the battery management system and the monitoring system are connected with the power grid terminal. The mobile device can be a mobile trolley, four mobile wheels can be installed below the energy storage box, the energy storage box is placed on the mobile trolley through a forklift, the energy storage box is installed near each user cell and is positioned and numbered at the installation position, when the generated energy of new energy sources such as wind energy and solar energy of a power grid is too much, the generated electric quantity of the new energy sources is stored in a battery module through a power source interface at the power grid side through a first bidirectional inverter, when the power grid is insufficient due to excessive power utilization of a power grid user in a certain period of time or a power grid line fails, the user load acquisition device acquires the change of the power utilization load of the user, information is transmitted to a power grid terminal, the power grid terminal controls an adjusting module, the electric quantity in the battery module is supplied to the user through a second bidirectional inverter and a power source interface at the user side, the timely adjustment and control of the power utilization of the power grid are realized, the power utilization experience of the user is improved, a fire protection system and a monitoring system are arranged, the working state and the fault condition of the energy storage box are monitored in real time, the fault condition can be solved, the fault condition is prevented, the cost of other equipment is damaged, the equipment is reduced, the service life of the battery management system is prolonged, and the service life of the battery management module is prolonged through the battery management system.
Preferably, the system further comprises an information sending module, wherein the information sending module is connected with the monitoring system, the information sending module comprises a first short message module and a second short message module, the first short message module is used for sending short messages to power grid operation and maintenance personnel, and the second short message module is used for sending short messages to power grid users. The information sending module sends information to the power grid operation and maintenance personnel when the energy storage fails, the operation and maintenance personnel are reminded of performing fault maintenance at the first time, and the user is notified when the energy storage box can be normally used or fails, so that the user can know the use condition of the energy storage box, the use experience of the user is improved, and the use process of the user is effectively guaranteed.
Preferably, the monitoring system comprises a wireless communication module, a fault detection device, a temperature sensor, a humidity sensor and a smoke sensor, wherein the temperature sensor, the humidity sensor and the smoke sensor are all installed in the box body, the temperature sensor is used for detecting temperature information in the box body, the temperature sensor is connected with a power grid terminal through the wireless communication module, the humidity sensor is used for detecting humidity information in the box body, the humidity sensor is connected with the power grid terminal through the wireless communication module, the smoke sensor is used for detecting smoke information in the box body, the smoke sensor is connected with the power grid terminal through the wireless communication module, the fault detection device is used for detecting whether an output circuit of the battery module fails, and the fault detection device is connected with the power grid terminal through the wireless communication module.
Preferably, the solar cell module comprises a box body, a heating device and a heat dissipation device, wherein the heat dissipation device comprises a cold water pipe arranged at the bottom of the box body, the heating device comprises a heating plate and a plurality of silicon plates, the silicon plates are respectively arranged on the inner wall of the box body, the heating plate is arranged between the silicon plates and the inner wall of the box body, the heating plate is connected with a cell module, and the temperature sensor is connected with the silicon plates. Through setting up heating device and heat abstractor, make the environment in the energy storage case keep constant temperature state, improve battery module life.
Preferably, the wireless communication module comprises a bluetooth module, a WIFI module or a GPRS module.
Preferably, the fault detection device comprises a shell, a first current transformer, a first spring, a first sliding block, a first pressure sensor and an MCU, wherein the shell is arranged on a circuit between the second bidirectional inverter and a user power interface, the input end of the first current transformer is connected with the circuit between the second bidirectional inverter and the user power interface, the output end of the first current transformer is connected with the first spring, one end of the first spring is connected with the inner wall of the shell, the other end of the first spring is connected with the first sliding block, a first sliding groove is formed in the shell, the first pressure sensor and the first sliding block are both arranged in the first sliding groove, the first pressure sensor is in butt joint with one side of the first sliding block, which is opposite to the first spring, the first pressure sensor is used for detecting pressure information when the first sliding block has a certain tendency, the output end of the first pressure sensor is connected with the MCU, and the MCU is connected with a power grid terminal through a wireless communication module. The first current transformer collects the current of a circuit between the second bidirectional inverter and the user power interface, when the battery module discharges a user, the first current transformer works, when the first spring is installed, the first spring is precompressed first, so that the first pressure sensor has a precompaction value detected, the precompaction amount is consistent with the compression degree of the first spring caused by the current transmitted by the first current transformer under the normal current condition, the maximum threshold value detected by the first pressure sensor is set, when the current is overlarge, the first spring is further compressed, when the first pressure sensor cannot detect the pressure value, an overlarge fault occurs, when the current is overlarge, the first spring stretches, when the pressure value detected by the first pressure sensor exceeds the maximum threshold value, the fault that the current is too small occurs, the correct detection of the fault type of the circuit is realized, the detection device is simple, and the problem that the common ammeter exceeds the measuring range or the current is too small to cause inaccurate detection can not occur.
Preferably, the fire extinguishing system comprises a fire extinguishing pipe and paraffin, wherein the fire extinguishing pipe is arranged at the upper part in the energy storage box, heptafluoropropane gas is filled in the fire extinguishing pipe, the fire extinguishing pipe is provided with a plurality of air holes, and the paraffin seals the air holes. When the line short circuit fire appears in the energy storage case, the temperature in the box rises, can lead to paraffin to melt, stores the gaseous blowout of seven fluoro-propane in the fire tube that disappears, puts out a fire, realizes the timely processing of fire control, prevents that other equipment from receiving the damage, reduces the loss.
Preferably, the monitoring system further comprises a lighting device and a camera, wherein the lighting device and the camera are connected with a power grid terminal through wireless communication modules, the lighting device comprises a track, a motor, pulleys, a supporting rod, a power supply device and an LED lamp, the track is arranged on the inner wall of the box body, the motor is arranged on one side of the track, a control end of the motor is connected with the power grid terminal through the wireless communication modules, an output end of the motor is connected with the pulleys, the pulleys are matched with the track, the supporting rod is arranged on the pulleys, the power supply device is arranged on one side of the supporting rod, the LED lamp is arranged on the supporting rod, and the LED lamp is connected with the power supply device. Through motor control, make the pulley reach the LED lamp and remove in the box along the track is inside, when making electric wire netting staff observe the equipment in the box through the camera, can be clearer, make fortune dimension personnel can in time discover equipment ageing and equipment damage position's problem.
Preferably, the user load acquisition device comprises a base body, a second current transformer, a second spring, a second sliding block, a second pressure sensor, a third pressure sensor and a controller, wherein the base body is arranged on a circuit on the side of the user electric meter, the second current transformer is used for acquiring current of the circuit on the side of the user electric meter, the output end of the current transformer is connected with the second spring, one end of the second spring is fixedly connected with the inner wall of the base body, the other end of the second spring is connected with the second sliding block, a second sliding groove is formed in the base body, the second pressure sensor and the third pressure sensor are fixedly arranged in the second sliding groove, the second sliding block is placed in the sliding groove, one side of the second sliding block facing the second spring is abutted against the second pressure sensor, one side of the second sliding block is abutted against the third pressure sensor, the second sliding block is used for detecting pressure information generated when the second sliding block tends to move, and the output ends of the second pressure sensor and the third pressure sensor are connected with the controller and the terminal of the controller. The second spring is precompressed, the compression amount of the second spring is related to the current used by different users at ordinary times, when the users use electricity, the second spring is electrified and contracted, when the users use electricity normally, the contraction amount of the second spring is normal, the second pressure sensor cannot detect pressure, the pressure detected by the third pressure sensor is in an acceptable range, when the users overload electricity use, the current is increased, the second pressure sensor detects pressure information, when the users in the whole cell are all in overload electricity use, and when the current conveyed by a power grid is insufficient, the power grid terminal controls the energy storage device to discharge through the adjusting module, when the power consumption of the users is less, the current is reduced, and when the pressure information detected by the third pressure sensor exceeds a threshold range, the power grid terminal controls the energy storage device to store energy, so that the non-perception load adjustment of the users is realized.
Preferably, the contact surface of the second sliding groove and the second sliding block is a smooth surface. The friction force of the contact surface of the second sliding groove and the sliding groove is reduced.
The beneficial effects of the invention are as follows: (1) The user load acquisition device is used for acquiring user electricity load information, so that the power grid can master the user electricity consumption condition at the first time, the user load can be adjusted in advance by one step, and the user loss is reduced; (2) The energy storage box is used for realizing the timely regulation and control of the power grid electricity consumption, so that the electricity consumption experience of a user is improved; (3) The heating device and the heat dissipation device are arranged, so that the environment in the energy storage box is kept in a constant temperature state, and the service life of the battery module is prolonged; (4) Through fault detection device, carry out more accurate detection to the trouble type, the device is simple, and detection range is wide, ensures that distributed energy storage device is in the state that can use in real time.
Drawings
Fig. 1 is a block diagram of a load interaction adjusting system according to a first embodiment.
Fig. 2 is a schematic structural diagram of an energy storage device according to the first embodiment.
Fig. 3 is a schematic structural diagram of a fault detection device according to the first embodiment.
Fig. 4 is a schematic structural diagram of a user load acquisition device according to the first embodiment.
The system includes, in the drawings, 1 a mobile device, 2a battery management system, 3 a monitoring system, 4 a case, 5 a battery support, 6 a second bi-directional inverter, 7 a user side power interface, 8 a housing, 9 a first current transformer, 10 a first spring, 11 a first runner, 12 a first slider, 13 a MCU,14 a first pressure sensor, 15 a fault detection device, 16 a temperature sensor, 17 a humidity sensor, 18 a smoke sensor, 19 a wireless communication module, 20 a grid terminal, 21 a information transmission module, 22 a lighting device, 23 a user load pickup device, 24 a regulation module, 25 an energy storage device, 26 a base, 27 a second current transformer, 28 a second spring, 29 a second runner, 30 a controller, 31 a third pressure sensor, 32 a second pressure sensor, 33 a second slider.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings.
Embodiment one: an unaware user load interactive adjustment system, as shown in fig. 1, comprises a user load acquisition device 23, a power grid terminal, an adjustment module 24 and an energy storage device 25; the user load acquisition device 23 is arranged on a line of the user electricity meter side and is used for acquiring the electricity load of a user and is connected with a power grid terminal; the power grid terminal is used for controlling the adjusting module 24 to adjust the power delivered to the user according to the power load of the user; the adjusting module 24 controls the energy storage device 25 to store energy on the power grid side or discharge the energy on the user side according to the received instruction; the energy storage device 25 comprises a mobile device 1, an energy storage box, a fire protection system, an information sending module 21, a heating device and a heat dissipation device, wherein the energy storage box is arranged on the mobile device 1, and the fire protection system is arranged on the energy storage box; the energy storage box comprises a box body 4, a plurality of battery modules, a plurality of battery brackets 5, a battery management system 2, a first bidirectional inverter, a second bidirectional inverter 6 and a monitoring system 3; a plurality of battery brackets 5 are distributed and arranged in the box body 4; the battery modules are arranged on the battery bracket 5, and a plurality of battery modules are connected with the battery management system 2; the box body 4 is provided with a power grid side power interface and a user side power interface 7, the input end of the first bidirectional inverter is connected with the power grid side power interface, the output end of the first bidirectional inverter is connected with the battery module, the output end of the second bidirectional inverter 6 is connected with the user side power interface 7, and the input end of the second inverter is connected with the battery module; the monitoring system 3 is used for monitoring whether the energy storage box fails, the battery management system 2 is connected with the monitoring system 3, the information sending module 21 comprises a first short message module and a second short message module, the first short message module is used for sending short messages to power grid operation and maintenance personnel, and the second short message module is used for sending short messages to power grid users.
The heat dissipating device comprises a cold water pipe arranged at the bottom of the box body 4 and a water cooling system, wherein the water cooling system is used for controlling the flow of water flow in the cold water pipe.
The heating device comprises a heating plate and a plurality of silicon plates, the silicon plates are respectively arranged on the inner wall of the box body 4, the heating plate is arranged between the silicon plates and the inner wall of the box body 4, the heating plate is connected with the battery module, and the temperature sensor 16 is connected with the silicon plates.
The fire extinguishing system comprises a fire extinguishing pipe and paraffin, the fire extinguishing pipe is arranged at the upper part in the energy storage box, heptafluoropropane gas is filled in the fire extinguishing pipe, the fire extinguishing pipe is provided with a plurality of air holes, and the paraffin seals the air holes.
As shown in fig. 2, the monitoring system 3 includes a wireless communication module 19, a fault detection device 15, a temperature sensor 16, a humidity sensor 17 and a smoke sensor 18, the temperature sensor 16, the humidity sensor 17 and the smoke sensor 18 are all installed in the case 4, the temperature sensor 16 is used for detecting temperature information in the case 4, the temperature sensor 16 is connected with a power grid terminal 20 via the wireless communication module 19, the humidity sensor 17 is used for detecting humidity information in the case 4, the humidity sensor 17 is connected with the power grid terminal 20 via the wireless communication module 19, the smoke sensor 18 is used for detecting smoke information in the case 4, the smoke sensor 18 is connected with the power grid terminal 20 via the wireless communication module 19, the fault detection device 15 is used for detecting whether a battery module output line fails, the fault detection device 15 is connected with the power grid terminal 20 via the wireless communication module 19, and the wireless communication module 19 includes a bluetooth module, a WIFI module or a GPRS module.
As shown in fig. 3, the fault detection device 15 includes a housing 8, a first current transformer 9, a first spring 10, a first slider 12, a first pressure sensor 14 and an MCU13, where the housing 8 is installed on a line between the second bidirectional inverter 6 and the user power interface, an input end of the first current transformer 9 is connected to the line between the second bidirectional inverter 6 and the user power interface, an output end of the first current transformer 9 is connected to the first spring 10, one end of the first spring 10 is connected to an inner wall of the housing 8, the other end of the first spring 10 is connected to the first slider 12, a first chute 11 is provided in the housing 8, the first pressure sensor 14 and the first slider 12 are both installed in the first chute 11, the first pressure sensor 14 is abutted to a side of the first slider 12 facing away from the first spring 10, the first pressure sensor 14 is used for detecting pressure information when the first slider 12 has a certain tendency, and an output end of the first pressure sensor 14 is connected to the MCU13, and the MCU13 is connected to a power grid terminal 20 via a wireless communication module 19.
The second embodiment is a non-perception user load interaction adjustment system, which is different from the first embodiment in that the monitoring system 3 further comprises a lighting device 22 and a camera, the camera and the lighting device 22 are connected with the power grid terminal 20 through a wireless communication module 19, the lighting device 22 comprises a track, a motor, a pulley, a supporting rod, a power supply device and an LED lamp, the track is arranged on the inner wall of the box body 4, the motor is arranged on one side of the track, a control end of the motor is connected with the power grid terminal 20 through the wireless communication module 19, an output end of the motor is connected with the pulley, the pulley is matched with the track, the supporting rod is arranged on the pulley, the power supply device is arranged on one side of the supporting rod, the LED lamp is arranged on the supporting rod, and the LED lamp is connected with the power supply device.
In the third embodiment, as shown in fig. 4, compared with the first embodiment, the difference in the present embodiment is that, the user load collecting device 23 includes a base 26, a second current transformer 27, a second spring 28, a second slider 33, a second pressure sensor 32, a third pressure sensor 31 and a controller 30, the base 26 is installed on a circuit on the user meter side, the second current transformer 27 is used for collecting current on the circuit on the user meter side, an output end of the current transformer is connected with the second spring 28, one end of the second spring 28 is fixedly connected with an inner wall of the base 26, the other end of the second spring 28 is connected with the second slider 33, a second chute 29 is provided in the base 26, the second pressure sensor 32 and the third pressure sensor 31 are fixedly installed in the second chute 29, the second slider 33 is placed in the chute, one side of the second slider 33 facing the second spring 28 is abutted against the second pressure sensor 32, one side of the second slider 33 facing the second pressure sensor 28 is abutted against the third pressure sensor 31, the second pressure sensor 32 and the third slider 33 is used for detecting that the second slider 31 moves when the second slider 31 has a trend to be connected with the second slider 30, and the second slider is connected with the second controller 30.
In a specific application, the second spring 28 is pre-compressed, the compression amount of the second spring is related to the current used by different users at ordinary times, when the users use electricity, the second spring 28 is electrified and contracted, when the users use electricity normally, the contraction amount of the second spring is normal, the second pressure sensor 32 cannot detect pressure, the pressure detected by the third pressure sensor 31 is in an acceptable range, when the users overload and use electricity, the current is increased, the second pressure sensor 32 detects pressure information, when the users in the whole cell are all in overload and use electricity, the power grid terminal controls the energy storage device 25 to discharge through the adjusting module 24, when the users use electricity less, the current is reduced, and when the pressure information detected by the third pressure sensor 31 exceeds a threshold range, the power grid terminal controls the energy storage device 25 to store energy.
The mobile device 1 is a mobile vehicle, the energy storage box is placed and fixed in a carriage, one side of the carriage can be opened downwards, the loading and unloading of the energy storage box is facilitated, carriage manufacturing materials are fireproof high-temperature-resistant insulating materials, the mobile vehicle is used for correctly placing the energy storage box at a set position, numbering is carried out at the position and corresponding to equipment numbers, a power grid line is connected to a power grid side power interface on the box body 4, a user side line is connected to a user side power interface 7 on the box body 4, distribution setting of the storage box is achieved, when the energy generation capacity of new energy sources such as wind energy and solar energy of a power grid is excessive, the electric quantity generated by the new energy sources is stored in a battery module through the power grid side power interface via a first bidirectional inverter, when power grid users are insufficient in a certain period of time or the power grid line fails, the electric quantity in the battery module is supplied to the users through a second bidirectional inverter 6 and the user side power interface 7, timely regulation and control of power grid power consumption are achieved, and user power consumption experience is improved.
When external temperature changes, the temperature in the box 4 can change along with the change, and the accessible cold water pipe cools down when the temperature is too high, and when the temperature is too low, the accessible hot plate heats the silicon plate, utilizes the good heat conduction of silicon plate, makes heat transfer to box 4 everywhere fast, keeps the unanimity of box 4 bulk temperature, and when temperature sensor 16 detected temperature, the bulk temperature of showing box 4 that also can be more accurate promotes temperature monitoring's accuracy.
The first current transformer 9 collects the current of the line between the second bidirectional inverter 6 and the user power interface, when the battery module discharges a user, the first current transformer 9 works, when the first spring 10 is installed, the first spring 10 is precompressed first, the first pressure sensor 14 has a precompression value detected, the precompression amount is consistent with the compression degree of the first spring 10 caused by the current transmitted by the first current transformer 9 under the normal current condition, the maximum threshold value detected by the first pressure sensor 14 is set, when the current is overlarge, the first spring 10 further compresses, when the first pressure sensor 14 cannot detect the pressure value, an overlarge fault occurs, when the current is overlarge, the first spring 10 stretches, when the pressure value detected by the first pressure sensor 14 exceeds the maximum threshold value, a small fault occurs, the correct detection of the fault type of the line is realized, the detection device is simple, the problem that the current meter exceeds the measuring range or the current is overlarge and causes inaccurate detection when the current is overlarge is not generated under the normal current condition is avoided, after the fault occurs, the fault is sent rapidly, the power grid module can be used for the maintenance personnel to find the fault type according to the power grid maintenance position, and the maintenance personnel can find the fault type according to the maintenance position of the power grid module.
The above-described embodiment is only a preferred embodiment of the present invention, and is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.
Claims (9)
1. An unaware user load interactive adjustment system, characterized by comprising
The system comprises a user load acquisition device, a power grid terminal, an adjusting module and an energy storage device;
the user load acquisition device is arranged on a circuit of the user electricity meter side and is used for acquiring the electricity load of a user and is connected with the power grid terminal;
the power grid terminal is used for controlling the adjusting module to adjust the power transmitted to the user according to the power load of the user;
the adjusting module controls the energy storage device to store energy at the power grid side or discharge the energy at the user side according to the received instruction;
the energy storage device comprises a mobile device, an energy storage box and a fire protection system, wherein the energy storage box is arranged on the mobile device, and the fire protection system is arranged on the energy storage box;
the energy storage box comprises a box body, a plurality of battery modules, a plurality of battery brackets, a battery management system, a first bidirectional inverter, a second bidirectional inverter and a monitoring system;
the battery brackets are distributed and arranged in the box body;
the battery modules are arranged on the battery bracket, and a plurality of battery modules are connected with the battery management system;
the box body is provided with a power grid side power interface and a user side power interface, the input end of the first bidirectional inverter is connected with the power grid side power interface, the output end of the first bidirectional inverter is connected with the battery module, the output end of the second bidirectional inverter is connected with the user side power interface, and the input end of the second bidirectional inverter is connected with the battery module;
the monitoring system is used for monitoring whether the energy storage box fails or not, and the battery management system and the monitoring system are connected with the power grid terminal;
the user load acquisition device comprises a base body, a second current transformer, a second spring, a second sliding block, a second pressure sensor, a third pressure sensor and a controller, wherein the base body is arranged on a circuit on the side of a user electric meter, the second current transformer is used for acquiring current of the circuit on the side of the user electric meter, the output end of the current transformer is connected with the second spring, one end of the second spring is fixedly connected with the inner wall of the base body, the other end of the second spring is connected with the second sliding block, a second sliding groove is formed in the base body, the second pressure sensor and the third pressure sensor are fixedly arranged in the second sliding groove, the second sliding block is placed in the sliding groove, one side of the second sliding block facing the second spring is abutted against the second pressure sensor, one side of the second sliding block opposite to the second spring is abutted against the third pressure sensor, the second pressure sensor and the third pressure sensor are used for detecting pressure information generated when the second sliding block has moving tendency, the output ends of the second pressure sensor and the third pressure sensor are connected with the controller, and the controller is connected with a terminal of a power grid;
the second spring is precompressed, the compression amount of the second spring is related to the current used by different users at ordinary times, when the users use electricity, the second spring is electrified and contracted, when the users use electricity normally, the contraction amount of the second spring is normal, the second pressure sensor cannot detect pressure, the pressure detected by the third pressure sensor is in an acceptable range, when the users overload electricity use, the current is increased, the second pressure sensor detects pressure information, when the users in the whole cell are all in overload electricity use, and when the current conveyed by a power grid is insufficient, the power grid terminal controls the energy storage device to discharge through the adjusting module, when the power consumption of the users is less, the current is reduced, and when the pressure information detected by the third pressure sensor exceeds a threshold range, the power grid terminal controls the energy storage device to store energy, so that the non-perception load adjustment of the users is realized.
2. The interactive adjustment system of claim 1, wherein,
the system comprises a power grid terminal, an information sending module and a power grid terminal, wherein the power grid terminal is connected with the information sending module, the information sending module comprises a first short message module and a second short message module, the first short message module is used for sending short messages to power grid operation and maintenance personnel, and the second short message module is used for sending short messages to power grid users.
3. An unaware user load interactive adjustment system as described in claim 1 or 2, wherein,
the monitoring system comprises a wireless communication module, a fault detection device, a temperature sensor, a humidity sensor and a smoke sensor, wherein the temperature sensor, the humidity sensor and the smoke sensor are all installed in a box body, the temperature sensor is used for detecting temperature information in the box body, the temperature sensor is connected with a power grid terminal through the wireless communication module, the humidity sensor is used for detecting humidity information in the box body, the humidity sensor is connected with the power grid terminal through the wireless communication module, the smoke sensor is used for detecting smoke information in the box body, the smoke sensor is connected with the power grid terminal through the wireless communication module, the fault detection device is used for detecting whether an output circuit of the battery module has faults or not, and the fault detection device is connected with the power grid terminal through the wireless communication module.
4. An unaware user load interactive adjustment system as described in claim 3, wherein,
still include heating device and heat abstractor, heat abstractor is including installing the cold water pipe in the bottom half, heating device includes hot plate and a plurality of silicon plate, and a plurality of the silicon plate is installed respectively on the box inner wall, the hot plate is installed between silicon plate and box inner wall, the hot plate is connected with battery module, temperature sensor is connected with the silicon plate.
5. An unaware user load interactive adjustment system as described in claim 3, wherein,
the wireless communication module comprises a Bluetooth module, a WIFI module or a GPRS module.
6. An unaware user load interactive adjustment system as described in claim 3, wherein,
the fault detection device comprises a shell, a first current transformer, a first spring, a first sliding block, a first pressure sensor and an MCU, wherein the shell is arranged on a circuit between a second bidirectional inverter and a user power interface, the input end of the first current transformer is connected with the circuit between the second bidirectional inverter and the user power interface, the output end of the first current transformer is connected with the first spring, one end of the first spring is connected with the inner wall of the shell, the other end of the first spring is connected with the first sliding block, a first sliding groove is formed in the shell, the first pressure sensor and the first sliding block are all arranged in the first sliding groove, the first pressure sensor is in butt joint with one side of the first sliding block, which is opposite to the first spring, the first pressure sensor is used for detecting pressure information when the first sliding block has a certain tendency, the output end of the first pressure sensor is connected with the MCU, and the MCU is connected with a power grid terminal through a wireless communication module.
7. The interactive adjustment system of claim 1, wherein,
the fire extinguishing system comprises a fire extinguishing pipe and paraffin, wherein the fire extinguishing pipe is arranged at the upper part in the energy storage box, heptafluoropropane gas is filled in the fire extinguishing pipe, the fire extinguishing pipe is provided with a plurality of air holes, and the paraffin seals the air holes.
8. An unaware user load interactive adjustment system as described in claim 3, wherein,
the monitoring system further comprises a lighting device and a camera, wherein the lighting device and the camera are connected with a power grid terminal through wireless communication modules, the lighting device comprises a track, a motor, a pulley, a supporting rod, a power supply device and an LED lamp, the track is arranged on the inner wall of the box body, the motor is arranged on one side of the track, the control end of the motor is connected with the power grid terminal through the wireless communication modules, the output end of the motor is connected with the pulley, the pulley is matched with the track, the supporting rod is arranged on the pulley, the power supply device is arranged on one side of the supporting rod, the LED lamp is arranged on the supporting rod, and the LED lamp is connected with the power supply device.
9. The interactive adjustment system of claim 1, wherein,
the contact surface of the second sliding groove and the second sliding block is a smooth surface.
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CN112598155A (en) * | 2020-11-23 | 2021-04-02 | 国网浙江海宁市供电有限公司 | Load increase and decrease estimation method and system for transformer substation |
CN112604875A (en) * | 2020-12-11 | 2021-04-06 | 浙江旅游职业学院 | Food production is with even spraying device that has temperature control effect |
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