CN111580579A - Heat preservation system of transformer substation - Google Patents
Heat preservation system of transformer substation Download PDFInfo
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- CN111580579A CN111580579A CN202010453745.9A CN202010453745A CN111580579A CN 111580579 A CN111580579 A CN 111580579A CN 202010453745 A CN202010453745 A CN 202010453745A CN 111580579 A CN111580579 A CN 111580579A
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- 238000004321 preservation Methods 0.000 title claims abstract description 9
- 238000005538 encapsulation Methods 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 11
- 238000011217 control strategy Methods 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 4
- 238000013480 data collection Methods 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 2
- 238000004378 air conditioning Methods 0.000 abstract description 15
- 230000017525 heat dissipation Effects 0.000 abstract description 11
- 238000004806 packaging method and process Methods 0.000 abstract description 7
- 230000002452 interceptive effect Effects 0.000 abstract description 3
- 239000003570 air Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- 238000001816 cooling Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Control Of Temperature (AREA)
Abstract
The invention discloses a transformer substation heat preservation system, which comprises a hardware control layer, a data encapsulation layer and a logic control layer, the hardware control layer receives the temperature data of the temperature sensor through an internal data acquisition card thereof, and is connected to the data packaging layer through a flag bit instruction signal feedback, a decoding pairing module is arranged in the data packaging layer, the logic control layer configures the machine parameters according to the pairing zone bits fed back by the decoding pairing module, the logic control layer monitors temperature data through a fault detection module in the logic control layer and feeds the temperature data back to the hardware control layer, adopts a hierarchical model structure to establish an interactive interface with a user, completes the encapsulation of business operation, can update temperature information in the transformer substation in real time, therefore, accurate temperature control is realized, and the opening frequency of the air conditioning system is effectively reduced through the mode of combining cold air and natural air of the air conditioner for assisting heat dissipation.
Description
Technical Field
The embodiment of the invention relates to the technical field of transformer substations, in particular to a transformer substation heat insulation system.
Background
The mobile substation is generally by arrester, high tension switchgear, power transformer, medium tension switchgear, the power screen, and measurement, control and protection device load and form on hydraulic pressure car/semitrailer, but, can give off a large amount of heats in mobile substation equipment operation process, must equip temperature control system in order to ensure that the phenomenon of thermal runaway can not appear in the station equipment, and current temperature control system who is used for in the transformer substation still has following problem:
(1) the existing temperature control system for the mobile substation cannot accurately detect open circuit and short circuit of a temperature sensor due to the fact that temperature measuring current is simple, temperature in a wider range cannot be measured, and operation efficiency of equipment is reduced when the temperature is too high;
(2) the battery pack equipment in the mobile substation is the key for stable operation of the equipment in the substation and is also the source of heat in the substation, the battery pack heat dissipation is realized mainly in the conventional temperature control system in an air-conditioning cold air auxiliary heat dissipation mode, but the problem that the air-conditioning system is frequently opened can be caused due to the intervention of the air-conditioning system when the power battery pack dissipates heat in the structure, so that the energy consumption is high.
Disclosure of Invention
Therefore, the embodiment of the invention provides a transformer substation heat preservation system, which adopts a hierarchical model structure to establish an interactive interface with a user, completes the encapsulation of service operation, can update temperature information in a transformer substation in real time, and thus realizes accurate temperature control, and effectively reduces the starting frequency of an air conditioning system through a mode of auxiliary heat dissipation by combining cold air and natural air of an air conditioner, so as to solve the problem that the air conditioning system is frequently started due to poor temperature measurement accuracy of the transformer substation heat preservation system in the prior art.
In order to achieve the above object, an embodiment of the present invention provides the following:
the utility model provides a heat preservation system of transformer substation, includes hardware control layer, data encapsulation layer and logic control layer, the hardware control layer optimizes port data and carries out the zero clearing operation of timer through system initialization, the hardware control layer receives temperature sensor's temperature data through its inside data collection card to be connected to through zone bit command signal feedback the data encapsulation layer, the data encapsulation layer is inside to be provided with to decode and to pair the module, it receives to decode to pair the module the state information of logic control layer encapsulates the processing to the data of gathering, the logic control layer basis the pairing zone bit that pair the module feedback of decoding is configured machine parameter, the logic control layer monitors temperature data and feeds back to through its inside fault detection module hardware control layer.
In a preferred embodiment of the present invention, the hardware control layer provides a system time base signal according to the timer interrupt instruction, and the execution frequency between the data encapsulation layer and the logic control layer is controlled by the time base signal.
As a preferred embodiment of the present invention, a communication module is connected through the hardware control layer according to the time-based signal as an execution frequency, and the communication module synchronizes temperature information to the server through a device status query instruction.
As a preferred scheme of the present invention, the communication end of the server is connected to a system display module, and the system display module uses an LED display driver as the refresh probe information, and continuously refreshes data by using a time-sharing scanning accumulator and using a time-base signal as a reference.
As a preferred scheme of the present invention, the temperature data acquired by the data acquisition card is detected by the fault detection module according to the refresh frequency of the time-sharing scanning accumulator.
As a preferable scheme of the invention, an on/off temperature control strategy is adopted for the battery pack according to the refreshing frequency of the time-sharing scanning accumulator, and the temperature control operation is executed on the power battery pack by controlling the electronic three-way valve.
As a preferable scheme of the present invention, a control end of the electronic three-way valve is controlled by the hardware control layer, and the battery pack is subjected to temperature control operation in real time by the valve control signal and a battery pack temperature control signal fed back by the temperature sensor.
As a preferred aspect of the present invention, the temperature control operation is performed by comparing a real-time temperature fed back by the temperature sensor with a target temperature as an input of a PI controller of the hardware control layer, and controlling a rotation speed of an air conditioner compressor according to a control command.
As a preferred scheme of the present invention, the data end of the PI controller is interactively connected to the data encapsulation layer.
As a preferred embodiment of the present invention, the data exchange frequency of the PI controller is based on the time-base signal.
The embodiment of the invention has the following advantages:
the hardware control layer is used for controlling equipment in the transformer substation, equipment parameters are configured through system initialization and the timer is updated, so that temperature detection data are refreshed in real time, temperature information in the transformer substation can be monitored in real time, the fault detection module can judge whether a fault occurs according to a feedback value of the data acquisition card, the hardware control layer provides a system time base signal according to a timer interrupt instruction, the execution frequency between the data packaging layer and the logic control layer is controlled by the time base signal, and the operation efficiency of the equipment is improved.
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, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a block diagram of a heat preservation system of a substation according to an embodiment of the present invention.
In the figure:
1-a hardware control layer; 2-data encapsulation layer; 3-a logic control layer; 4-a data acquisition card; 5-decoding the pairing module; 6-a fault detection module; 7-a PI controller; 8-a temperature sensor; 9-a communication module; 10-a server; 11-a system display module; 12-time-sharing scanning accumulator; 13-electronic three-way valve.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below 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.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1, the invention provides a transformer substation thermal insulation system, which adopts a hierarchical model structure to establish an interactive interface with a user, complete the encapsulation of business operation, realize the connection of database data, and update the temperature information in the transformer substation in real time, thereby better controlling the temperature in the transformer substation, realizing the full management process of equipment through a communication module, establishing the communication between the equipment and a server, and providing the function of remote regulation and control.
The system comprises a hardware control layer 1, a data packaging layer 2 and a logic control layer 3, wherein the hardware control layer 1 optimizes port data and executes timer zero clearing operation through system initialization, the hardware control layer 1 receives temperature data of a temperature sensor 8 through an internal data acquisition card 4 of the hardware control layer and is connected to the data packaging layer 2 in a feedback mode through a zone bit instruction signal, a decoding pairing module 5 is arranged inside the data packaging layer 2, the decoding pairing module 5 receives state information of the logic control layer 3 to package the acquired data, the logic control layer 3 configures machine parameters according to a pairing zone bit fed back by the decoding pairing module 5, and the logic control layer 3 monitors the temperature data through an internal fault detection module 6 and feeds the temperature data back to the hardware control layer 1.
In this embodiment, the hardware control layer 1 is mainly used to control devices in the substation, and the device parameters are configured and the timer is updated through system initialization, so that the temperature detection data is refreshed in real time, and the temperature information in the substation can be monitored in real time.
In this embodiment, the fault detection module 6 may determine whether a fault occurs according to the feedback value of the data acquisition card 4.
The hardware control layer 1 provides a system time base signal according to the timer interrupt instruction, and the execution frequency between the data encapsulation layer 2 and the logic control layer 3 is controlled by the time base signal.
The communication module 9 is connected through the hardware control layer 1 according to the time base signal as the execution frequency, and the communication module 9 synchronizes the temperature information to the server 10 through the device state query instruction.
The communication end of the server 10 is connected with a system display module 11, the system display module 11 uses an LED display driver as refresh probe information, and the data is continuously refreshed by a time-sharing scanning accumulator 12 by using a time-base signal as a reference.
In this embodiment, the main functions of the system display module 11 are embodied in display data refresh and display LED driving, and the display data refresh process is as follows:
firstly, judging whether the LED lamp is on or off completely according to a flash display zone bit provided by an LED display driver and processing;
secondly, executing an adding 1 operation on the COM time-sharing scanning accumulator, and taking out and displaying accumulator data;
and finally, judging whether the value of the time-sharing scanning accumulator is the maximum value, if so, carrying out zero clearing operation on the accumulator through a refreshing instruction, and executing data refreshing operation.
And detecting the temperature data acquired by the data acquisition card 4 through the fault detection module 5 according to the refreshing frequency of the time-sharing scanning accumulator 12.
In this embodiment, the data acquisition card 4 acquires the temperature AD value by using the temperature acquisition circuit, and divides the temperature acquisition circuit into a high temperature region and a low temperature region, the triode selection circuit in the low temperature region is turned off, and the triode selection circuit in the high temperature region is turned on, so that the detection accuracy can be effectively improved.
In this embodiment, when the fault detection module 5 detects an abnormality, the fault processing module needs to respond correspondingly, if the temperature sensor in the cavity of the substation is abnormal, the exhaust motor maintains the original working state, other loads are all closed, all the keys and the coding switches are locked, when a door lock fault occurs, the exhaust motor maintains the original working state, other loads are closed, if any error occurs, a corresponding error code is displayed, the exhaust motor maintains the original working state, and other loads are closed.
In this embodiment, when the fault detection module 5 detects temperature data, after the load is driven, the data acquisition card 4 reads the set temperature and the current temperature, and then determines the logic of opening and closing the load according to a temperature control algorithm, thereby realizing accurate temperature control of the substation in the operation process.
And adopting an on/off temperature control strategy for the battery pack according to the refreshing frequency of the time-sharing scanning accumulator 12, and controlling the electronic three-way valve 13 to execute temperature control operation on the power battery pack.
In the embodiment, the on/off temperature control strategy mainly switches between cold air auxiliary heat dissipation and natural air auxiliary heat dissipation of the air conditioning system, when the battery pack in the transformer substation needs to be cooled and dissipated, if the temperature of the external environment is lower at the moment, the air in the external natural environment can be used for auxiliary heat dissipation, and the starting frequency of the vehicle-mounted air conditioning system can be reduced; if the temperature of the external environment is high, in order to ensure that the equipment in the station is at the appropriate temperature, the air-conditioning system can be used for blowing cold air to assist the power battery pack in heat dissipation, so that the heat dissipation efficiency of the temperature control system of the power battery pack is improved.
In this embodiment, the on/off temperature control strategy is implemented simply, the real-time temperature of the battery pack is an input signal of the control strategy, and is subjected to simple numerical operation with the target temperature of the battery pack, and the result can be used as an output signal of the temperature control strategy of the power battery pack, where the output signal value is dimensionless and is not 0, that is, 1, when the output value is 0, it means that the battery pack has not reached the cooling condition, and when the output value is 1, the water pump of the liquid cooling temperature control system is turned on to operate to cool the power battery pack.
The control end of the electronic three-way valve 13 is controlled by the hardware control layer 1, and the temperature control operation is carried out on the battery pack in real time through a valve control signal and a battery pack temperature control signal fed back by the temperature sensor.
The temperature control operation is mainly performed by comparing the real-time temperature fed back by the temperature sensor 8 with the target temperature as the input quantity of the PI controller 7 of the hardware control layer 1 and controlling the rotating speed of the air conditioner compressor according to the control instruction.
In this embodiment, the temperature control is implemented by adjusting the rotation speed of the air conditioner compressor, the detected real-time temperature is used as an input signal of the strategy, the difference between the detected real-time temperature and the target temperature is used as an input quantity of the PI controller by combining the external environment temperature and the target temperature in the transformer substation, and a compressor rotation speed proportional signal with dimensionless size between 0 and 1 is output as an output value of the temperature control strategy in the transformer substation.
The data end of the PI controller 7 is interactively connected with the data packaging layer 2, and the data interaction frequency of the PI controller 7 is based on the time-base signal.
In the embodiment, an on/off battery pack temperature control strategy is adopted, a temperature control structure loop in an actual transformer substation is combined, the fact that a set cooling task is completed by using less energy is guaranteed, when the external environment temperature is lower than 30 ℃, the ambient air outside the transformer substation can be used for assisting the battery pack to dissipate heat, one side of the electronic three-way valve 13 communicated with a radiator is opened, one side of the electronic three-way valve communicated with the other radiator is closed, and the purpose of cooling the power battery pack is achieved by using low-temperature natural wind for assistance; when the ambient temperature is between 30-35 ℃, the staff can long-rangely open air conditioning system and refrigerate the transformer substation, if power battery group also needs the cooling this moment, then the heat dissipation of cold wind auxiliary battery group that usable air conditioning system produced, the three-way valve in liquid cooling return circuit opens to one side of radiator, and the one side that leads to another radiator is closed, when ambient temperature is greater than 35 ℃, if the staff does not open air conditioning system, then can be opened by power battery group's temperature control system is automatic, utilizes air conditioning system auxiliary power battery group cooling.
The transformer substation heat preservation system adopts an on/off battery pack temperature control strategy, combines a temperature control structure loop in an actual transformer substation, ensures that a given cooling task is completed by using less energy, is beneficial to reducing the internal resistance of a battery monomer in the transformer substation, fully exerts the available capacity of the battery monomer, reduces the energy loss in the discharging process, prolongs the running time of single charging of the battery in the transformer substation and the like, can effectively reduce the starting frequency of an air conditioning system through a mode of auxiliary heat dissipation by combining air conditioning cold air and natural air, and simultaneously can ensure that the whole transformer substation is at a proper working temperature without causing the phenomenon of thermal runaway of equipment.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a heat preservation system of transformer substation, its characterized in that, includes hardware control layer (1), data encapsulation layer (2) and logic control layer (3), hardware control layer (1) optimizes port data and carries out timer zero clearing operation through system initialization, hardware control layer (1) is through the temperature data of its inside data collection card (4) receipt temperature sensor (8) to through zone bit instruction signal feedback connection to data encapsulation layer (2), data encapsulation layer (2) inside is provided with decodes and pairs module (5), it receives to decode pairs module (5) the state information of logic control layer (3) encapsulates the processing to the data of gathering, logic control layer (3) basis it configures to machine parameter to decode the zone bit that pairs that pair module (5) feedback, logic control layer (3) monitors temperature data and feeds back through fault detection module (6) inside and feeds back To the hardware control layer (1).
2. The substation thermal insulation system according to claim 1, wherein the hardware control layer (1) provides a system time base signal according to the timer interrupt instruction, and the execution frequency between the data encapsulation layer (2) and the logic control layer (3) is controlled by using the time base signal.
3. The substation thermal insulation system according to claim 2, wherein a communication module (9) is connected to the hardware control layer (1) according to the time base signal as an execution frequency, and the communication module (9) synchronizes temperature information to the server (10) through a device state query instruction.
4. The substation thermal insulation system according to claim 3, wherein a communication end of the server (10) is connected with a system display module (11), the system display module (11) uses an LED display driver as refresh probe information, and data is continuously refreshed by a time-sharing scanning accumulator (12) based on a time-base signal.
5. The substation thermal insulation system according to claim 4, wherein the temperature data collected by the data collection card (4) is detected by the fault detection module (5) according to the refresh frequency of the timesharing scanning accumulator (12).
6. The substation thermal insulation system according to claim 4, characterized in that an on/off temperature control strategy is adopted for the battery pack according to the refresh frequency of the timesharing scanning accumulator (12), and the temperature control operation is performed on the power battery pack by controlling the electronic three-way valve (13).
7. The substation thermal insulation system according to claim 6, wherein the control end of the electronic three-way valve (13) is controlled by the hardware control layer (1), and the battery pack is subjected to temperature control operation in real time through the valve control signal and a battery pack temperature control signal fed back by the temperature sensor.
8. The substation thermal insulation system according to claim 7, wherein the temperature control operation is performed by mainly comparing the real-time temperature fed back by the temperature sensor (8) with a target temperature as an input of the PI controller (7) of the hardware control layer (1) and controlling the rotation speed of the air conditioner compressor according to a control command.
9. The substation thermal insulation system according to claim 8, wherein the data side of the PI controller (7) is interconnected with the data encapsulation layer (2).
10. Substation insulation system according to claim 8, characterized in that the data interaction frequency of the PI controller (7) is referenced to a time-based signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010453745.9A CN111580579A (en) | 2020-05-26 | 2020-05-26 | Heat preservation system of transformer substation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010453745.9A CN111580579A (en) | 2020-05-26 | 2020-05-26 | Heat preservation system of transformer substation |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876471A (en) * | 2009-04-30 | 2010-11-03 | 比亚迪股份有限公司 | Control method for air conditioning refrigerating system of automobile |
| CN104361709A (en) * | 2014-11-27 | 2015-02-18 | 国网河南省电力公司平顶山供电公司 | Unattended-operation transformer substation temperature monitoring system |
| CN204236181U (en) * | 2014-11-17 | 2015-04-01 | 国家电网公司 | Be applied to a/c system and the electronlmobil of electronlmobil |
| CN106774553A (en) * | 2016-12-25 | 2017-05-31 | 青岛海盈智高新技术有限公司 | A kind of transformer station's automatic dehumidifying temperature-controlling system |
| CN107270970A (en) * | 2017-07-19 | 2017-10-20 | 国网新疆电力公司电力科学研究院 | Towering power equipment vibration monitoring device and its method for carrying out fault diagnosis |
| CN206650496U (en) * | 2017-03-14 | 2017-11-17 | 江苏骏龙光电科技股份有限公司 | A kind of cabinet type comprehensive power transformer intelligent assembly |
| CN210183080U (en) * | 2019-07-26 | 2020-03-24 | 桂林电子科技大学 | Lead-acid storage battery charging system based on intelligent control technology |
| CN111001119A (en) * | 2019-10-16 | 2020-04-14 | 国网浙江省电力有限公司嘉兴供电公司 | Intelligent gas fire extinguishing system and method for multi-station fusion power machine room |
| CN210572666U (en) * | 2019-05-29 | 2020-05-19 | 国网江苏省电力有限公司宿迁供电分公司 | Rural power grid distribution transformer temperature monitoring cloud service system based on Internet of things |
-
2020
- 2020-05-26 CN CN202010453745.9A patent/CN111580579A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876471A (en) * | 2009-04-30 | 2010-11-03 | 比亚迪股份有限公司 | Control method for air conditioning refrigerating system of automobile |
| CN204236181U (en) * | 2014-11-17 | 2015-04-01 | 国家电网公司 | Be applied to a/c system and the electronlmobil of electronlmobil |
| CN104361709A (en) * | 2014-11-27 | 2015-02-18 | 国网河南省电力公司平顶山供电公司 | Unattended-operation transformer substation temperature monitoring system |
| CN106774553A (en) * | 2016-12-25 | 2017-05-31 | 青岛海盈智高新技术有限公司 | A kind of transformer station's automatic dehumidifying temperature-controlling system |
| CN206650496U (en) * | 2017-03-14 | 2017-11-17 | 江苏骏龙光电科技股份有限公司 | A kind of cabinet type comprehensive power transformer intelligent assembly |
| CN107270970A (en) * | 2017-07-19 | 2017-10-20 | 国网新疆电力公司电力科学研究院 | Towering power equipment vibration monitoring device and its method for carrying out fault diagnosis |
| CN210572666U (en) * | 2019-05-29 | 2020-05-19 | 国网江苏省电力有限公司宿迁供电分公司 | Rural power grid distribution transformer temperature monitoring cloud service system based on Internet of things |
| CN210183080U (en) * | 2019-07-26 | 2020-03-24 | 桂林电子科技大学 | Lead-acid storage battery charging system based on intelligent control technology |
| CN111001119A (en) * | 2019-10-16 | 2020-04-14 | 国网浙江省电力有限公司嘉兴供电公司 | Intelligent gas fire extinguishing system and method for multi-station fusion power machine room |
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Application publication date: 20200825 |
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| RJ01 | Rejection of invention patent application after publication |