CN114001829A - Infrared temperature measurement monitoring devices of secondary circuit of transformer substation - Google Patents

Infrared temperature measurement monitoring devices of secondary circuit of transformer substation Download PDF

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Publication number
CN114001829A
CN114001829A CN202111285234.1A CN202111285234A CN114001829A CN 114001829 A CN114001829 A CN 114001829A CN 202111285234 A CN202111285234 A CN 202111285234A CN 114001829 A CN114001829 A CN 114001829A
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CN
China
Prior art keywords
temperature
current transformer
temperature measurement
temperature information
infrared
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Pending
Application number
CN202111285234.1A
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Chinese (zh)
Inventor
唐鹤
陈锦荣
车磊
周俊宇
李响
谭文展
李强
严司玮
何引生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Power Grid Co Ltd
Foshan Power Supply Bureau of Guangdong Power Grid Corp
Original Assignee
Guangdong Power Grid Co Ltd
Foshan Power Supply Bureau of Guangdong Power Grid Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Guangdong Power Grid Co Ltd, Foshan Power Supply Bureau of Guangdong Power Grid Corp filed Critical Guangdong Power Grid Co Ltd
Priority to CN202111285234.1A priority Critical patent/CN114001829A/en
Publication of CN114001829A publication Critical patent/CN114001829A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/0096Radiation pyrometry, e.g. infrared or optical thermometry for measuring wires, electrical contacts or electronic systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q9/00Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2209/00Arrangements in telecontrol or telemetry systems
    • H04Q2209/30Arrangements in telecontrol or telemetry systems using a wired architecture
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2209/00Arrangements in telecontrol or telemetry systems
    • H04Q2209/70Arrangements in the main station, i.e. central controller
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2209/00Arrangements in telecontrol or telemetry systems
    • H04Q2209/80Arrangements in the sub-station, i.e. sensing device
    • H04Q2209/84Measuring functions

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Gas-Insulated Switchgears (AREA)

Abstract

The invention discloses an infrared temperature measurement monitoring device for a secondary circuit of a transformer substation, which comprises: the system comprises a temperature measuring device, a convergence local side and a master station; the temperature measuring device is used for acquiring temperature information of a secondary terminal of the current transformer to be measured by a non-contact infrared temperature measuring method and sending the temperature information to the convergence local side; the convergence local side is used for collecting temperature information of the secondary terminals of all the current transformers to be tested and uploading the temperature information to the gateway; the gateway is used for sending the temperature information of the secondary terminal of the current transformer to be tested to the master station; the master station is used for generating a corresponding control instruction according to the temperature information of the secondary terminal of the current transformer to be detected; and the control instruction is a basis for operation and maintenance personnel to adjust the working environment of the current transformer to be tested. Compared with the existing temperature measurement method, the method is safer and simpler and has higher working efficiency.

Description

Infrared temperature measurement monitoring devices of secondary circuit of transformer substation
Technical Field
The invention relates to the technical field of temperature monitoring technology, in particular to an infrared temperature measurement monitoring device for a secondary circuit of a transformer substation.
Background
The secondary open circuit of the current transformer has great influence on the stable operation of the power system, and easily causes great danger to the human body and the equipment, and specifically: when the current transformer is in a secondary open circuit, primary current is completely used for excitation, the iron core is seriously saturated, the alternating magnetic flux induces very high voltage on the secondary coil, the peak value of the high voltage can reach thousands of volts or even tens of thousands of volts, and the personal safety and the equipment safety are seriously threatened; meanwhile, the secondary coil insulation may be burned out due to overheating, the protection may not reflect a fault due to no current, and the heating and melting of the secondary terminal of the current transformer caused by incomplete open circuit may cause two-phase short circuit to cause current protection actions such as negative sequence and the like. However, it is not uncommon for equipment to trip due to the secondary open circuit of the current transformer, and therefore, it is necessary to find the occurrence of the secondary open circuit of the current transformer as soon as possible.
Meanwhile, when the secondary circuit is not completely opened, the secondary terminal of the current transformer can generate heat, so that the heating condition of the secondary terminal of the current transformer can be monitored, and whether the abnormal condition occurs in the secondary circuit of the current transformer or not is judged.
The existing temperature measurement scheme of the secondary terminal of the current transformer is to measure the temperature of the secondary terminal of the current transformer by adopting contact temperature measurement and communicate by using an RS485 wired communication mode. By using the technical scheme, the temperature measuring end needs to be powered off for installation or live working when being installed, so that the production of a user is influenced, the danger is high for constructors, the construction amount is large in the laying aspect of communication cables, and the cost is high and the efficiency is low.
Disclosure of Invention
The invention provides an infrared temperature measurement monitoring device for a secondary circuit of a transformer substation, which is used for overcoming the problems that the production of a user is influenced, the danger is high for constructors, the construction amount is large in the aspect of laying of communication cables, and the cost and the efficiency are low because the installation of a temperature measurement end needs to be powered off or live-line work when the temperature measurement end is installed in the conventional temperature measurement scheme of a secondary terminal of a current transformer.
The invention provides an infrared temperature measurement monitoring device for a secondary circuit of a transformer substation, which comprises: the system comprises a temperature measuring device, a convergence local side and a master station;
the temperature measuring device is used for acquiring temperature information of a secondary terminal of the current transformer to be measured by a non-contact infrared temperature measuring method and sending the temperature information to the convergence local side;
the convergence local side is used for collecting temperature information of the secondary terminals of all the current transformers to be tested and uploading the temperature information to the gateway; the gateway is used for sending the temperature information of the secondary terminal of the current transformer to be tested to the master station;
the master station is used for generating a corresponding control instruction according to the temperature information of the secondary terminal of the current transformer to be detected; and the control instruction is a basis for operation and maintenance personnel to adjust the working environment of the current transformer to be tested.
Optionally, the temperature measuring device includes: the temperature acquisition submodule, the core processor, the data transmission submodule and the power acquisition submodule are connected;
the temperature acquisition submodule is used for acquiring temperature data of a secondary terminal of the current transformer to be detected by a non-contact infrared temperature measurement method;
the core processor is used for sorting the temperature data of the secondary terminal of the current transformer to be detected to obtain the sorted temperature data;
the data transmission submodule is used for carrying out protocol conversion on the arranged temperature data to obtain temperature information of a secondary terminal of the current transformer to be detected and coupling the temperature information to the convergence local side;
and the electricity taking module is used for converting an external power supply connected with the measuring device into a measuring power supply conforming to the measuring device.
Optionally, the temperature acquisition sub-module includes:
the infrared temperature measuring probe is used for acquiring infrared light data of a secondary terminal of the current transformer to be measured;
and the temperature conversion unit is used for converting the infrared light data into the temperature data of the secondary section of the current transformer to be detected.
Optionally, the data transmission sub-module includes:
the protocol conversion unit is used for integrating the arranged temperature data into a message which accords with a preset protocol to obtain an arranged message;
and the signal coupling unit is used for coupling the sorted message to a power line so as to transmit the message to the convergence local side.
Optionally, the external power supply is a 400V bus power supply.
Optionally, the measurement power supply is a 200VAC power supply.
Optionally, the preset protocol is specifically a MODBUS protocol.
Optionally, the gateway is one of an intelligent gateway or an information acquisition terminal.
Optionally, the aggregation local side uploads temperature information of all secondary terminals of the current transformer to be tested through RS 485.
Optionally, the aggregation local side uploads temperature information of all secondary terminals of the current transformer to be tested through RS 232.
According to the technical scheme, the invention has the following advantages:
the invention relates to an infrared temperature measurement monitoring device for a secondary circuit of a transformer substation, which comprises: the system comprises a temperature measuring device, a convergence local side and a master station; the temperature measuring device is used for acquiring temperature information of a secondary terminal of the current transformer to be measured by a non-contact infrared temperature measuring method and sending the temperature information to the convergence local side; the convergence local side is used for collecting temperature information of the secondary terminals of all the current transformers to be tested and uploading the temperature information to the gateway; the gateway is used for sending the temperature information of the secondary terminal of the current transformer to be tested to the master station; the master station is used for generating a corresponding control instruction according to the temperature information of the secondary terminal of the current transformer to be detected; and the control instruction is a basis for operation and maintenance personnel to adjust the working environment of the current transformer to be tested. .
Therefore, the non-contact infrared temperature measurement and the power line carrier communication technology are combined for use, and after the device is connected with a power supply, the data signal is coupled to the power line to carry out communication between equipment, so that the data of the infrared temperature measurement probe is transmitted. Compared with the existing temperature measurement method, the method is safer and simpler and has higher working efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, 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 the drawings without creative efforts;
FIG. 1 is a schematic diagram illustrating an embodiment of an infrared temperature measurement monitoring device for a secondary circuit of a transformer substation according to the present invention;
fig. 2 is a schematic view of a temperature measuring device according to an embodiment of the infrared temperature measuring and monitoring device for the secondary circuit of the transformer substation.
In the figure: 1. a master station; 2. a gateway; 3. a convergence local side; 4. a temperature measuring device; 41. an infrared temperature measuring probe; 42. a temperature conversion unit; 43. a core processor; 44. a protocol conversion unit; 45. a signal coupling unit; 46. and (5) taking the electronic module.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all 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 application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Fig. 1 is a schematic diagram illustrating an infrared temperature measurement monitoring apparatus for a secondary circuit of a transformer substation according to an embodiment of the present invention.
The utility model provides an infrared temperature measurement monitoring devices of secondary circuit of transformer substation, mainly be applied to: the problem of need to have a power failure installation or live working when the temperature measurement end installation that exists of current transformer secondary terminal temperature measurement scheme, not only influence user's production, dangerous high to the constructor moreover, the while is big in the aspect of laying construction volume of communication cable, exists with high costs low efficiency is overcome.
Specifically, this infrared temperature measurement monitoring devices of secondary circuit of transformer substation includes: a temperature measuring device 4, a convergence local side 3 and a master station 1;
the temperature measuring device 4 is used for acquiring temperature information of a secondary terminal of the current transformer to be measured by a non-contact infrared temperature measuring method and sending the temperature information to the convergence local side 3;
the convergence local side 3 is configured to collect temperature information of the secondary terminals of all the current transformers to be tested, and upload the temperature information to the gateway 2; the gateway 2 is used for sending the temperature information of the secondary terminal of the current transformer to be tested to the master station 1;
the master station 1 is used for generating a corresponding control instruction according to the temperature information of the secondary terminal of the current transformer to be tested; and the control instruction is a basis for operation and maintenance personnel to adjust the working environment of the current transformer to be tested.
In the embodiment of the invention, the convergence local side 3 and the temperature measuring device 4 are connected to the power cable from the same transformer for power supply and communication, but the convergence local side 3 needs to be connected with a three-phase power supply, and the temperature measuring device 4 only needs to be connected with one phase power supply.
In the specific implementation, before the three-phase power supply is connected, the MAC address of the sensing device needs to be configured for the device at the convergence office 3, then the three-phase power supply is connected, and the device on the power line transmission network is automatically networked after the temperature measuring device 4 is also connected to the power supply.
In the embodiment of the invention, after receiving the data from each temperature measuring device 4, the master station 1 performs operation processing on the data of each temperature measuring device 4, generates a corresponding control instruction according to the environmental data acquired by each temperature measuring device 4, and remotely controls corresponding equipment or reminds workers to adjust the working environment.
Referring to fig. 2, fig. 2 is a schematic view of a temperature measuring device 4 according to an embodiment of the infrared temperature measuring and monitoring device for a secondary circuit of a transformer substation.
Further, the temperature measuring device 4 includes: a temperature acquisition submodule, a core processor 43, a data transmission submodule and a power-taking submodule 46;
the temperature acquisition submodule is used for acquiring temperature data of the secondary terminal of the current transformer to be detected by the non-contact infrared temperature measurement method;
the core processor 43 is configured to sort temperature data of the secondary terminal of the current transformer to be detected, and obtain the sorted temperature data;
the data transmission submodule is used for performing protocol conversion on the sorted temperature data to obtain temperature information of a secondary terminal of the current transformer to be tested, and is coupled to the convergence local side 3;
and the electricity taking module 46 is used for converting an external power supply connected with the measuring device into a measuring power supply conforming to the measuring device.
Referring to fig. 2, further, the temperature obtaining sub-module includes:
the infrared temperature measuring probe 41 is used for collecting infrared light data of a secondary terminal of the current transformer to be measured;
and the temperature conversion unit 42 is configured to convert the infrared light data into temperature data of the secondary section of the current transformer to be tested.
Referring to fig. 2, further, the data transmission sub-module includes:
a protocol conversion unit 44, configured to integrate the sorted temperature data into a message that conforms to a preset protocol, so as to obtain a sorted message;
a signal coupling unit 45, configured to couple the sorted message to a power line, so as to transmit the message to the aggregation office 3.
In the embodiment of the present invention, the infrared temperature measurement probe 41 collects infrared light emitted from the secondary terminal of the current transformer, and then transmits infrared light data to the temperature conversion module, and the temperature conversion module converts the infrared light data into temperature data, and then the core processor 43 processes the temperature data to obtain the maximum temperature and the temperature data of all points collected by the infrared probe. And then integrating the data into a message conforming to a preset protocol through a protocol conversion module, and coupling the data to a power line through a signal coupling module for data transmission.
In an alternative embodiment, the external power source is a 400V bus power source.
In an alternative embodiment, the measurement power supply is a 200VAC power supply.
In the embodiment of the invention, a single-phase 220VAC power supply is taken out from a 400V bus for supplying power, and the power supply module is used for carrying out secondary conversion on the front-end power supply and then supplying power to the whole temperature measuring device 4.
In an optional embodiment, the preset protocol is specifically a MODBUS protocol.
In the embodiment of the present invention, when the current transformer is in the open state, that is, the output side of the current transformer is in the open state, since the current transformer current is not changed, the impedance becomes infinite according to ohm's law, the voltage at both ends becomes very high, or a spark is generated, causing an increase in the ambient temperature. The on-site infrared temperature measuring probe 41 is preset near a current transformer or a terminal, when an open circuit fault occurs, the infrared temperature measuring probe 41 detects temperature rise and transmits temperature information to the temperature conversion module for processing, the signals are processed and conditioned and then transmitted to the core processor for temperature conversion processing, the temperature information processed by the core processor 43 is converted into corresponding MODBUS protocol signals through protocol conversion, and the signals are transmitted to the signal coupler and transmitted to the upper computer background through a 400V power bus.
In an optional embodiment, the gateway 2 is one of an intelligent gateway 2 or an information acquisition terminal
In an optional embodiment, the aggregation office terminal 3 uploads temperature information of all the secondary terminals of the current transformer to be tested through RS 485.
In an optional embodiment, the aggregation office 3 uploads temperature information of the secondary terminals of all the current transformers to be tested through RS 232.
In the embodiment of the invention, after networking is successful, the temperature measuring device 4 collects the temperature parameters of the secondary terminal of the current transformer, then couples the model to the power line for transmission, and the convergence local side 3 collects information, then uploads the information to the intelligent gateway 2 or the information collecting terminal through RS485 or RS232, and then uploads the information to the master station 1.
In addition, under a special condition, the combination of the 4-20mA communication technology or the POE communication technology and the current transformer secondary terminal temperature measuring device 4 can also realize the combination of a power supply cable and a communication cable and the temperature measurement of the current transformer secondary terminal, and the 4-20mA communication technology or the POE communication technology is used for realizing both the power supply of equipment and the communication between the equipment.
The invention provides an infrared temperature measurement monitoring device for a secondary circuit of a transformer substation, which comprises: a temperature measuring device 4, a convergence local side 3 and a master station 1; the temperature measuring device 4 is used for acquiring temperature information of a secondary terminal of the current transformer to be measured by a non-contact infrared temperature measuring method and sending the temperature information to the convergence local side 3; the convergence local side 3 is configured to collect temperature information of the secondary terminals of all the current transformers to be tested, and upload the temperature information to the gateway 2; the gateway 2 is used for sending the temperature information of the secondary terminal of the current transformer to be tested to the master station 1; the master station 1 is used for generating a corresponding control instruction according to the temperature information of the secondary terminal of the current transformer to be tested; and the control instruction is a basis for operation and maintenance personnel to adjust the working environment of the current transformer to be tested. .
Therefore, the non-contact infrared temperature measurement and the power line carrier communication technology are combined for use, and after the device is connected with a power supply, the data signal is coupled to the power line to carry out communication between equipment, so that the data of the infrared temperature measurement probe 41 is transmitted. Compared with the existing temperature measurement method, the method is safer and simpler and has higher working efficiency.
It should be understood that in the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" for describing an association relationship of associated objects, indicating that there may be three relationships, e.g., "a and/or B" may indicate: only A, only B and both A and B are present, wherein A and B may be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of single item(s) or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", wherein a, b, c may be single or plural.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should 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 or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. The utility model provides an infrared temperature measurement monitoring devices of secondary circuit of transformer substation which characterized in that includes: the system comprises a temperature measuring device, a convergence local side and a master station;
the temperature measuring device is used for acquiring temperature information of a secondary terminal of the current transformer to be measured by a non-contact infrared temperature measuring method and sending the temperature information to the convergence local side;
the convergence local side is used for collecting temperature information of the secondary terminals of all the current transformers to be tested and uploading the temperature information to the gateway; the gateway is used for sending the temperature information of the secondary terminal of the current transformer to be tested to the master station;
the master station is used for generating a corresponding control instruction according to the temperature information of the secondary terminal of the current transformer to be detected; and the control instruction is a basis for operation and maintenance personnel to adjust the working environment of the current transformer to be tested.
2. The substation secondary circuit infrared temperature measurement monitoring device of claim 1, wherein the temperature measurement device comprises: the temperature acquisition submodule, the core processor, the data transmission submodule and the power acquisition submodule are connected;
the temperature acquisition submodule is used for acquiring temperature data of the secondary terminal of the current transformer to be detected by the non-contact infrared temperature measurement method;
the core processor is used for sorting the temperature data of the secondary terminal of the current transformer to be detected to obtain the sorted temperature data;
the data transmission submodule is used for carrying out protocol conversion on the arranged temperature data to obtain temperature information of a secondary terminal of the current transformer to be detected and coupling the temperature information to the convergence local side;
and the electricity taking module is used for converting an external power supply connected with the measuring device into a measuring power supply conforming to the measuring device.
3. The substation secondary circuit infrared temperature measurement monitoring device of claim 2, wherein the temperature acquisition submodule comprises:
the infrared temperature measuring probe is used for acquiring infrared light data of a secondary terminal of the current transformer to be measured;
and the temperature conversion unit is used for converting the infrared light data into the temperature data of the secondary section of the current transformer to be detected.
4. The substation secondary circuit infrared temperature measurement monitoring device of claim 2, wherein the data transmission submodule comprises:
the protocol conversion unit is used for integrating the arranged temperature data into a message which accords with a preset protocol to obtain an arranged message;
and the signal coupling unit is used for coupling the sorted message to a power line so as to transmit the message to the convergence local side.
5. The infrared temperature measurement monitoring device of the substation secondary circuit of claim 2, wherein the external power supply is a 400V bus power supply.
6. The infrared temperature measurement monitoring device of the substation secondary circuit of claim 2, wherein the measurement power supply is a 200VAC power supply.
7. The infrared temperature measurement monitoring device for the secondary circuit of the substation according to claim 4, wherein the preset protocol is a MODBUS protocol.
8. The infrared temperature measurement monitoring device of the substation secondary circuit according to claim 1, wherein the gateway is one of an intelligent gateway or an information acquisition terminal.
9. The infrared temperature measurement monitoring device for the secondary circuit of the transformer substation of claim 8, wherein the aggregation local side uploads temperature information of all secondary terminals of the current transformer to be tested through RS 485.
10. The infrared temperature measurement monitoring device for the secondary circuit of the transformer substation of claim 8, wherein the aggregation local side uploads temperature information of all secondary terminals of the current transformer to be tested through RS 232.
CN202111285234.1A 2021-11-01 2021-11-01 Infrared temperature measurement monitoring devices of secondary circuit of transformer substation Pending CN114001829A (en)

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Application Number Priority Date Filing Date Title
CN202111285234.1A CN114001829A (en) 2021-11-01 2021-11-01 Infrared temperature measurement monitoring devices of secondary circuit of transformer substation

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Application Number Priority Date Filing Date Title
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102819939A (en) * 2012-07-19 2012-12-12 广州供电局有限公司 Thermal imagery monitoring device for substation equipment
CN203100900U (en) * 2012-12-26 2013-07-31 西安理工大学 State monitoring and early warning system for electrical equipment
CN105321316A (en) * 2014-11-04 2016-02-10 武汉理工大学 Transformer substation bus intelligent temperature measuring system with wireless networking function
CN205066944U (en) * 2015-09-30 2016-03-02 国网山西省电力公司运城供电公司 10kV cubical switchboard device temperature monitors alarm system
CN106768362A (en) * 2016-12-22 2017-05-31 国网山东省电力公司鄄城县供电公司 Electrical substation monitoring device and system based on thermal infrared imager

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102819939A (en) * 2012-07-19 2012-12-12 广州供电局有限公司 Thermal imagery monitoring device for substation equipment
CN203100900U (en) * 2012-12-26 2013-07-31 西安理工大学 State monitoring and early warning system for electrical equipment
CN105321316A (en) * 2014-11-04 2016-02-10 武汉理工大学 Transformer substation bus intelligent temperature measuring system with wireless networking function
CN205066944U (en) * 2015-09-30 2016-03-02 国网山西省电力公司运城供电公司 10kV cubical switchboard device temperature monitors alarm system
CN106768362A (en) * 2016-12-22 2017-05-31 国网山东省电力公司鄄城县供电公司 Electrical substation monitoring device and system based on thermal infrared imager

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