CN213902689U - Wireless temperature measurement system of high-low voltage switch cabinet - Google Patents
Wireless temperature measurement system of high-low voltage switch cabinet Download PDFInfo
- Publication number
- CN213902689U CN213902689U CN202021544132.8U CN202021544132U CN213902689U CN 213902689 U CN213902689 U CN 213902689U CN 202021544132 U CN202021544132 U CN 202021544132U CN 213902689 U CN213902689 U CN 213902689U
- Authority
- CN
- China
- Prior art keywords
- temperature
- temperature measurement
- wireless
- voltage switch
- low voltage
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a high-low voltage switch cabinet wireless temperature measurement system in the wireless temperature measurement transmission technical field, include: the temperature measuring unit comprises a temperature sensor, a high-precision linear amplifier, an A/D conversion module, a single chip microcomputer and a wireless transmitting module which are sequentially and electrically connected, and is used for acquiring, processing and transmitting a temperature signal in the cabinet; the temperature measurement host comprises a wireless receiving module and a processor, the wireless receiving module is electrically connected with the processor, and the temperature measurement host is used for receiving and processing temperature signals transmitted after being processed by the temperature measurement unit. This wireless temperature measurement system passes through AD conversion module cooperation high accuracy linear amplifier, handles and protects temperature sensor output signal to reduce the influence of high-intensity magnetic field to data transmission, improve the measurement accuracy to the interior temperature of cabinet.
Description
Technical Field
The utility model relates to a wireless temperature measurement transmission technical field, in particular to temperature measurement system that high-low voltage switch cabinet is wireless.
Background
In the long-term operation of important equipment such as high-voltage switch cabinets, bus connectors and outdoor disconnecting switch switches of power plants and transformer substations, the contact points of the switches, the bus connection parts and the like generate heat due to aging or overlarge contact resistance, and the temperature of the heating parts cannot be monitored, so that accidents are finally caused. In recent years, a plurality of switch overheating accidents occur in power plants and transformer substations, so that fire disasters and large-area power failure accidents are caused, the problem of switch overheating is solved, the key for avoiding the accidents is to realize the online temperature monitoring, and the online temperature monitoring is an important means for ensuring the safe operation of high-voltage equipment.
Along with the lean management of power enterprises, the monitoring requirements for various information quantities of a transformer substation are increasingly refined, the monitoring range of the transformer substation for the temperature of the key part of main equipment is small, especially the temperature of closed equipment such as a high-low voltage switch cabinet is basically in a blind area, the technical means is relatively lagged behind, and the conventional temperature measuring means cannot meet the requirements of an unattended station for real-time monitoring of the temperature of the key part of the high-low voltage switch cabinet.
In the existing temperature measurement mode, a means for transmitting an output signal of a temperature sensor in closed equipment to a host through a wireless transmission module is provided, but the temperature measurement mode is different from the common closed equipment, electromagnetic interference in a high-voltage and low-voltage switch cabinet is strong, and the accuracy of data is greatly influenced by a strong electromagnetic field in the equipment, so that the output signal of the temperature sensor in the conventional temperature measurement means cannot be directly transmitted in the high-voltage and low-voltage switch cabinet.
SUMMERY OF THE UTILITY MODEL
The application solves the problem that the temperature in the high-low voltage switch cabinet with strong electromagnetic interference in the prior art can not be monitored in real time, and realizes the real-time monitoring of the operating temperature of key points of the high-low voltage switch cabinet.
The embodiment of the application provides a temperature measurement system that high-low voltage switch cabinet is wireless, includes:
the temperature measuring unit comprises a temperature sensor, a high-precision linear amplifier, an A/D conversion module, a single chip microcomputer and a wireless transmitting module which are sequentially and electrically connected, and is used for acquiring, processing and transmitting a temperature signal in the cabinet;
the temperature measurement host comprises a wireless receiving module and a processor, the wireless receiving module is electrically connected with the processor, and the temperature measurement host is used for receiving and processing the temperature signal transmitted after being processed by the temperature measurement unit.
The beneficial effects of the above embodiment are as follows: aiming at the problem of strong electromagnetic interference in a high-voltage and low-voltage switch cabinet, the wireless temperature measurement system effectively filters strong electromagnetic interference signals in the switch cabinet through a high-precision linear amplifier, converts analog signals output by a temperature sensor into digital signals through an A/D conversion module, standardizes the data and facilitates the transmission and processing of the data, and the A/D conversion module is matched with the high-precision linear amplifier to process and protect the output signals of the temperature sensor, so that the influence of a strong magnetic field on data transmission is reduced, and the measurement precision of the temperature in the cabinet is improved; the temperature measurement host can be provided with a display screen and an alarm, so that the current temperature information can be conveniently displayed and an alarm prompt can be sent out; the temperature measuring unit is internally integrated with a high-precision linear amplifier, an A/D conversion module and a single chip microcomputer, so that product integration, modular design, small volume and convenience in installation are realized.
On the basis of the above embodiments, the present application can be further improved, specifically as follows:
in one embodiment of the present application, the wireless temperature measurement system further includes an energy-taking CT device, and the energy-taking CT device is configured to supply power to the temperature measurement unit. The energy-taking CT device can take electricity at the front-end equipment, so that the temperature measuring unit does not need to be additionally provided with an independent power supply, and the problem of difficult wiring in a high-low voltage switch cabinet is solved.
In one embodiment of the present application, the wireless temperature measurement system further includes a power polarity protection module, and the energy-taking CT device supplies power to the temperature measurement unit after passing through the power polarity protection module. The power polarity protection module sets the voltage output by the energy taking CT device, and a forward diode is arranged in the module to realize power reverse polarity protection, so that the temperature measurement unit can be protected.
In one embodiment of the present application, the wireless temperature measurement system further includes a server, the temperature measurement host is connected to the server in an RS485 bus manner, and the server is configured to collect, process, and analyze data of the temperature measurement host. And a database management system is installed in the server, and all data are stored in the database management system for the user to call and view at any time.
In one embodiment of the application, the wireless temperature measurement system further comprises a 4G network module and an intelligent terminal, the server is connected with the 4G network module, and the intelligent terminal is connected with the server through a 4G network. The server is connected with the 4G network module, so that the server can adopt a TCP/IP protocol and network interconnection, the intelligent terminal is provided with corresponding APP software and is connected with the server through the 4G network, and operating personnel can inquire various functions such as field equipment temperature values, alarm prompts, historical data records and analysis through the intelligent terminal at any place.
In one embodiment of the application, the intelligent terminal comprises a tablet computer and a mobile phone.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
1. the A/D conversion module is matched with the high-precision linear amplifier to process and protect the output signal of the temperature sensor, so that the influence of a strong magnetic field on data transmission is reduced, and the measurement precision of the temperature in the cabinet is improved;
2. the energy-taking CT device can take electricity at the front-end equipment, so that the temperature measuring unit does not need to be additionally provided with an independent power supply, and the problem of difficult wiring in a high-low voltage switch cabinet is solved;
3. the temperature in the equipment can be checked in real time through the intelligent terminal, so that the monitoring and analysis of the overheating condition of the monitoring point by the equipment operating personnel are facilitated, the position where the fault occurs is predicted, and the safe operation of the equipment is ensured.
Drawings
Fig. 1 is a block diagram of the present invention.
Detailed Description
The present invention will be further explained with reference to the following embodiments, which are to be understood as illustrative only and not as limiting the scope of the invention, and modifications of the various equivalent forms of the present invention by those skilled in the art after reading the present invention fall within the scope of the appended claims.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the various embodiments or examples and features of the various embodiments or examples described herein can be combined and combined by those skilled in the art without conflicting aspects.
The embodiment of the application provides a wireless temperature measurement system for high-low voltage switch cabinet, solves the problem that the temperature in the high-low voltage switch cabinet with strong electromagnetic interference in the prior art cannot be monitored in real time, and realizes the real-time monitoring of the operating temperature of key points of the high-low voltage switch cabinet.
In order to solve the above problems, the technical solution in the embodiment of the present application has the following general idea:
the first embodiment is as follows:
as shown in fig. 1, a wireless temperature measurement system for a high-low voltage switch cabinet includes: the energy-taking CT device, the power polarity protection module, the temperature measuring unit, the temperature measuring host, the server, the 4G network module and the intelligent terminal are arranged in the high-low voltage switch cabinet; the output end of the energy taking CT device is connected with a power polarity protection module, the power polarity protection module comprises a forward diode, the power polarity protection module is used for setting the voltage output by the energy taking CT device, and the energy taking CT device is used for supplying power to the temperature measuring unit; the temperature measuring unit comprises a temperature sensor, a high-precision linear amplifier, an A/D conversion module, a single chip microcomputer and a wireless transmitting module which are sequentially and electrically connected, wherein the high-precision linear amplifier, the A/D conversion module and the single chip microcomputer are integrated into a whole, the temperature sensor acquires temperature signals, the high-precision linear amplifier amplifies the temperature signals acquired by the temperature sensor, the A/D conversion module converts analog signals output by the temperature sensor into digital signals and then transmits the digital signals to the single chip microcomputer, and the single chip microcomputer analyzes and processes the temperature signals and then transmits the temperature signals through the wireless transmitting module; the temperature measurement host comprises a wireless receiving module and a processor, the wireless receiving module is electrically connected with the processor, the wireless receiving module is used for receiving temperature signals transmitted by the wireless transmitting module and transmitting the temperature signals to the processor, the processor is used for receiving and processing the temperature signals received by the wireless receiving module, the processor is connected with a display screen and an alarm, the display screen is convenient for displaying current temperature information, the processor compares the current temperature signals with a preset threshold value so as to judge whether to control the alarm to send an alarm prompt, and a single temperature measurement host can simultaneously receive the temperature signals transmitted by a plurality of temperature measurement units; the temperature measurement host is connected with the server in an RS485 bus mode, a single server can be simultaneously connected with a plurality of temperature measurement hosts, the server is used for collecting, processing and analyzing data measured by one or a plurality of temperature measurement hosts, and a database management system is installed in the server, so that all the data are stored in the server for a user to fetch and view at any time; server and 4G network module electricity are connected for intelligent terminal passes through the 4G network and is connected with the server, intelligent terminal includes panel computer and cell-phone, corresponding APP software is installed to intelligent terminal, the operating personnel can inquire the field device temperature value on the server, warning suggestion and historical data record through intelligent terminal in any place, thereby help the monitoring of operating personnel and the overheated condition of analysis monitoring point, the position of taking place the trouble is forecasted, the safe operation of assurance equipment.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
1. the A/D conversion module is matched with the high-precision linear amplifier to process and protect the output signal of the temperature sensor, so that the influence of a strong magnetic field on data transmission is reduced, and the measurement precision of the temperature in the cabinet is ensured;
2. the energy-taking CT device can take electricity at the front-end equipment, so that the temperature measuring unit does not need to be additionally provided with an independent power supply, and the problem of difficult wiring in a high-low voltage switch cabinet is solved;
3. the temperature in the equipment can be checked in real time through the intelligent terminal, so that the monitoring and analysis of the overheating condition of the monitoring point by the equipment operating personnel are facilitated, the position where the fault occurs is predicted, and the safe operation of the equipment is ensured.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (4)
1. The utility model provides a high-low voltage switch cabinet wireless temperature measurement system which characterized in that includes:
the temperature measuring unit comprises a temperature sensor, a high-precision linear amplifier, an A/D conversion module, a single chip microcomputer and a wireless transmitting module which are sequentially and electrically connected, and is used for acquiring, processing and transmitting a temperature signal in the cabinet;
the temperature measurement host comprises a wireless receiving module and a processor, the wireless receiving module is electrically connected with the processor, and the temperature measurement host is used for receiving and processing the temperature signal transmitted after being processed by the temperature measurement unit;
the energy-taking CT device is used for supplying power to the temperature measuring unit;
and the energy taking CT device supplies power to the temperature measuring unit after passing through the power polarity protection module.
2. The high-low voltage switch cabinet wireless temperature measurement system according to claim 1, characterized in that: the temperature measurement host is connected with the server in an RS485 bus mode, and the server is used for collecting, processing and analyzing data of the temperature measurement host.
3. The high-low voltage switch cabinet wireless temperature measurement system according to claim 2, characterized in that: the intelligent terminal is connected with the server through a 4G network.
4. The high-low voltage switch cabinet wireless temperature measurement system according to claim 3, characterized in that: the intelligent terminal comprises a tablet personal computer and a mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021544132.8U CN213902689U (en) | 2020-07-29 | 2020-07-29 | Wireless temperature measurement system of high-low voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021544132.8U CN213902689U (en) | 2020-07-29 | 2020-07-29 | Wireless temperature measurement system of high-low voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213902689U true CN213902689U (en) | 2021-08-06 |
Family
ID=77096599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021544132.8U Active CN213902689U (en) | 2020-07-29 | 2020-07-29 | Wireless temperature measurement system of high-low voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213902689U (en) |
-
2020
- 2020-07-29 CN CN202021544132.8U patent/CN213902689U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104716741B (en) | Transformer station's remote supervision system and remote monitoring method thereof | |
| CN109443596B (en) | Wireless temperature measurement system and temperature measurement method | |
| CN104578429A (en) | Online operation monitoring system for cable branch box | |
| CN202929124U (en) | Substation high-voltage shunt capacitor intelligent online monitoring system | |
| CN102411084A (en) | Online monitoring device and method of grounding current of iron core of transformer | |
| CN109540328A (en) | Intelligent radio temp measuring system based on passive sensing technology | |
| CN204758748U (en) | Cubical switchboard intelligent integrated monitoring devices | |
| CN207074246U (en) | A kind of GIS partial discharge on-line monitoring system | |
| CN103364685A (en) | Current temperature on-line fault indicator and method for judging fault | |
| CN111913079A (en) | Overhead transmission line cable fault detection system | |
| CN108562780A (en) | A kind of iron core and clamp earthing current online monitoring system of electrical equipment | |
| CN202994326U (en) | Temperature monitoring system based on acoustic surface wave temperature sensor | |
| CN201724969U (en) | Intelligent measurement display device of switch cabinet | |
| CN213902689U (en) | Wireless temperature measurement system of high-low voltage switch cabinet | |
| CN209979734U (en) | Power consumption detection system | |
| CN210322033U (en) | Female temperature monitoring devices that arranges of cubical switchboard | |
| CN219018540U (en) | Multi-dimensional state detection equipment for switch cabinet | |
| CN204924486U (en) | Novel passive wireless temperature monitoring and early warning system | |
| CN201976259U (en) | Distributed temperature measuring system based on wireless sensor network for high-voltage equipment | |
| CN203929246U (en) | Substation equipment temperature-detecting device | |
| CN102759681A (en) | Transformer core ground fault monitoring device | |
| CN203133157U (en) | Transformer iron core/clamp grounding current wireless monitoring device | |
| CN109412899A (en) | Concentrate receiving and displaying system | |
| CN213180143U (en) | Transformer substation monitoring system based on artificial intelligence | |
| CN210270562U (en) | Intelligent control unit of switch cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |