CN210270562U - Intelligent control unit of switch cabinet - Google Patents

Intelligent control unit of switch cabinet Download PDF

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Publication number
CN210270562U
CN210270562U CN201921063316.XU CN201921063316U CN210270562U CN 210270562 U CN210270562 U CN 210270562U CN 201921063316 U CN201921063316 U CN 201921063316U CN 210270562 U CN210270562 U CN 210270562U
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module
temperature
switch cabinet
mcu
control unit
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周显俊
陈伟
阳津龙
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Hunan Changgao Sirui Automation Co ltd
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Hunan Changgao Sirui Automation Co ltd
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Abstract

An intelligent control unit of a switch cabinet comprises an MCU module, a display module, a wireless module, a storage module, an input module, an output module, a power supply module, a sampling module and a communication module, wherein the display module, the wireless module, the storage module, the input module, the output module, the power supply module, the sampling module and the communication module are all electrically connected with the MCU module; the utility model has an independent wireless temperature measuring terminal, which can better wirelessly measure the temperature of each contact, bus bar and cable head in the switch cabinet; the utility model has a wireless temperature measuring terminal, and can wirelessly measure the temperature of each contact, bus bar and cable head in the switch cabinet; the touch liquid crystal screen is provided, a primary simulation diagram, a working state and the like can be dynamically displayed in real time, and the touch control of starting of external equipment can be realized through the touch liquid crystal screen; the temperature and humidity automatic control function is achieved; the intelligent voice anti-misoperation prompt device has the functions of electromagnetic locking, charged indication, infrared PT, intelligent voice anti-misoperation prompt and the like; the intelligent network communication system is provided with a communication module, and can realize intellectualization, networking and digitization; three-phase voltage, current and phase can be detected.

Description

Intelligent control unit of switch cabinet
Technical Field
The utility model belongs to cubical switchboard control field, concretely relates to cubical switchboard intelligent control unit.
Background
The switch cabinet has a very wide application in the power system, and is one of the core devices in the transformer and distribution station. With the great development of the power industry and the large-scale construction of domestic power distribution networks, the demand of the switch cabinet is increased dramatically, the switch cabinet is widely applied on site, and problems and potential safety hazards in operation and control exist. The cabinet door of the switch cabinet is always closed in the operation process, operators cannot know the main wiring in the cabinet, although each switch cabinet is marked with a main wiring diagram, the indication mode cannot dynamically indicate the actual working state of various components in the switch cabinet; the problem of electricity testing of the switch cabinet is a problem which troubles the safe production of electric power for many years; at present, a large number of high-voltage live display devices using neon lamps as display elements are used on switch cabinets, and after long-time operation, the blindness rate is high, and the neon lamps are damaged in a large number; the condensation problem accounts for a large proportion of insulation accidents, and the temperature and humidity control in the high-voltage cabinet cannot be ignored; the switch cabinet only has certain mechanical anti-error measures; and moreover, the functions of panel high-voltage live display and live locking are not provided, so that operation and maintenance personnel are very easy to operate in a live way, and the danger coefficient is very high.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a cubical switchboard intelligent control unit of multi-functional, high accuracy, intelligence.
The utility model provides a technical scheme that its technical problem adopted is:
an intelligent control unit of a switch cabinet comprises an MCU module, and a display module, a wireless module, a storage module, an input module, an output module, a power supply module, a sampling module and a communication module which are electrically connected with the MCU module;
the MCU module is used for receiving, processing and transmitting data and controlling each module to realize an automatic working process; the display module is used for displaying the parameters and the alarm information transmitted by the MCU module; the wireless module is used for wirelessly transmitting the data acquired by the sampling module; the storage module is used for storing information input by the MCU module and outputting information required by the MCU module; the power supply module is used for providing working voltage;
the input module is used for inputting signals to the MCU module; the output module is used for receiving the control signal transmitted by the MCU module; the output module is also connected with external equipment and used for controlling the operation of the external equipment; the sampling module is used for transmitting the acquired data to the MCU module; the communication module realizes data interaction with an external data center and realizes remote control and monitoring functions.
Further, the display module comprises a touch liquid crystal screen and a plurality of LED indicating lamps; the touch liquid crystal screen is connected with the MCU module and is used for displaying a primary loop simulation diagram, temperature, humidity, a charged indication, a locking state, a handcart position, a breaker position, a grounding switch position, an energy storage state, alarm information and an equipment working state; the LED indicating lamps are used for assisting the touch liquid crystal screen to display the state; and the temperature and the humidity are displayed in a multi-path mode.
Further, the input module comprises a plurality of buttons and a touch liquid crystal screen; the plurality of buttons are used for manually starting/stopping the external equipment connected with the output module; the touch liquid crystal screen is used for realizing the same functions as the buttons through a graphical operation interface.
Furthermore, the external equipment comprises a ventilation device, a heating device, a dehumidifying device, an electromagnetic locking device, a lighting device and an alarm device which are electrically connected with the output module; the ventilation device, the heating device and the dehumidifying device are used for realizing temperature and humidity control; the electromagnetic locking device is used for realizing an electromagnetic locking function; the alarm device is used for giving an alarm when a fault or an accident occurs; the lighting device is used for providing illumination.
Preferably, the electromagnetic locking device is provided with a separate power supply for normal operation when the power supply module fails.
Preferably, the external device further comprises a voice device electrically connected to the output module, and the voice device is used for providing voice prompt and voice alarm.
Furthermore, the sampling module comprises a temperature and humidity sensor, a live detection sensor, an infrared PT (potential transformer), a CT (current transformer) and a plurality of sensor groups which are electrically connected with the MCU module; the temperature and humidity sensors are used for acquiring temperature and humidity; the live detection sensor is used for detecting the live condition in the switch cabinet; the infrared PT is used for detecting whether maintenance personnel enter; the CT transformer is used for collecting current, voltage and phase; the sensor groups are respectively used for acquiring a switch state, a breaker position, a grounding switch position, an energy storage state, a disconnecting switch state and a trolley position.
Preferably, the sampling module further comprises a temperature acquisition unit electrically connected with the MCU module; the temperature acquisition unit is used for sampling and measuring the temperature of each contact, busbar and cable head in the switch cabinet.
Further, the system also comprises a wireless temperature measuring terminal; the wireless temperature measuring terminal comprises a radio frequency receiving unit, a single chip microcomputer, a network interface unit and a display unit; the input end of the radio frequency receiving unit is connected with the wireless module, and the output end of the radio frequency receiving unit is connected with the input end of the single chip microcomputer; the single chip microcomputer is used for receiving, processing and transmitting temperature data; the input end of the network interface unit is connected with the first output end of the singlechip, and the output end of the network interface unit is connected with the MCU module or an external data center for realizing data interaction; the input end of the display unit is connected with the second output end of the single chip microcomputer and used for displaying temperature data.
Preferably, the temperature acquisition unit adopts an MCP9700T sensor; the MCP9700T sensor is connected with the MCU module through an operational amplifier circuit.
The utility model has the advantages that:
the utility model has an independent wireless temperature measuring terminal, which can better wirelessly measure the temperature of each contact, bus bar and cable head in the switch cabinet;
the temperature acquisition unit adopts MCP9700T, and compared with a traditional temperature sensor, the precision is improved by +/-0.5 ℃;
the touch liquid crystal screen is provided, a primary simulation diagram, a switch state, a breaker position, a grounding switch position, an energy storage state, an isolation switch state, a voice error-prevention indication, a high-voltage live locking and automatic heating dehumidification control, temperature and humidity control, heater fault, over-temperature alarm indication and the like can be dynamically displayed in real time, and the touch control of external equipment starting can be realized through the touch liquid crystal screen;
the temperature and humidity sensor has an automatic temperature and humidity control function, and can realize automatic control more accurately by adopting SHT 20;
the intelligent voice anti-misoperation alarm system has the functions of electromagnetic locking, live indication, infrared PT, intelligent voice anti-misoperation prompt and the like, and an independent power supply is arranged for the electromagnetic locking device, so that the safety of operation and maintenance personnel can be better ensured;
the intelligent network communication system is provided with a communication module, and can further realize intellectualization, networking and digitization;
the three-phase voltage, current and phase can be detected, and further, the power factor, the active power measurement and the reactive power measurement can be calculated.
Drawings
The following description will further describe embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is a system schematic of an embodiment of the invention;
FIG. 2 is a flow chart of the automatic temperature and humidity control according to the embodiment of the present invention;
fig. 3 is a schematic block diagram of a wireless temperature measurement terminal according to an embodiment of the present invention;
fig. 4 is a wiring diagram of a temperature acquisition unit according to an embodiment of the present invention;
fig. 5 is a wiring diagram of a speech device according to an embodiment of the present invention;
FIG. 6 is an infrared PT wiring diagram of an embodiment of the present invention;
fig. 7 is a wiring diagram of the MCU module according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, an intelligent control unit of a switch cabinet includes an MCU module 100, and a display module 200, a wireless module 300, a storage module 400, an input module 500, an output module 600, a power module 700, a sampling module 800, and a communication module 900, which are electrically connected to the MCU module 100.
The MCU module 100 is mainly used for receiving, processing and transmitting data and controlling each module to realize an automatic working process;
as shown in fig. 7, in this embodiment, the MCU module 100 adopts a single chip microcomputer, specifically an STM433L149 single chip microcomputer; other single-chip microcomputers can be adopted for realization, and DSP, ARM and the like can also be adopted for realization.
The display module 200 is mainly used for displaying parameters and alarm information transmitted by the MCU module 100;
in this embodiment, the display module 200 includes a touch liquid crystal screen and a plurality of LED indicator lamps;
the touch liquid crystal screen is connected with the MCU module 100 and can display information such as a primary loop simulation diagram, temperature, humidity, charged indication, a locking state, a handcart position, a breaker position, a grounding switch position, an energy storage state, alarm information, equipment working state and the like;
in the embodiment, a plurality of LED indicator lamps are used for assisting in displaying the state of the touch liquid crystal display, and mainly perform start/stop indication or fault indication on some external devices controlled by the output module 600, and also indicate the power-on condition of the control unit itself, so that the device can better help field personnel to know the running condition of the device with the assistance of the LED lamps, and meanwhile, the normal use of the basic functions of the system can be ensured after the touch liquid crystal display fails;
in this embodiment, both temperature and humidity are displayed in multiple ways.
The wireless module 300 is used for wirelessly transmitting the data acquired by the sampling module 800;
in this embodiment, the wireless module 300 is a Si4455 wireless module from Silas corporation; the Si4455 wireless module can meet the requirements of the system while having ultra-low power consumption.
The storage module 400 is used for storing information input by the MCU module 100 and outputting information required by the MCU module 100;
in this embodiment, the MCU module 100 writes the data collected by the sampling module 800, the data input by the input module, and the data that needs to be imported by the external data center into the memory card, and meanwhile, when the MCU module 100 or the external data center needs to retrieve the data, the data can be read from the memory module 400, and in addition, the configuration parameters needed by each module are also stored in the memory module 400, so as to facilitate the resetting or retrieving in time when a fault occurs;
in this embodiment, the memory module 400 may also directly adopt a memory card, which is convenient for maintenance personnel to read and refresh data; the storage module 400 may also adopt a storage disk, and only the data import/export interface needs to be reserved to meet the requirement.
The input module 500 is used for inputting signals to the MCU module 100;
the output module 600 is configured to receive a control signal transmitted by the MCU module 100; the output module 600 is also connected with external devices; the output module 600 is also used for controlling the operation of external devices;
in this embodiment, the external device includes a ventilation device, a heating device, a dehumidifying device, an electromagnetic locking device, an illuminating device, an alarm device, and a voice device, all of which are electrically connected to the output module 600;
in the embodiment, the ventilation device, the heating device and the dehumidifying device respectively adopt a ventilator, a heater and a dehumidifier for realizing temperature and humidity control, and the three devices can be independently used for realizing the functions of temperature reduction, temperature rise and dehumidification and can also be used in a composite way for achieving better effects of temperature reduction, temperature rise and dehumidification; in addition, the ventilation device, the heating device and the dehumidifying device can realize the automatic starting and stopping function under the control of the MCU module 100;
in the embodiment, an electromagnetic locking device is adopted to realize the electromagnetic locking function; the electromagnetic locking function is provided, so that the safety of operation and maintenance personnel can be better ensured, and when the operation and maintenance personnel need to operate, the electromagnetic locking function can be started, so that misoperation accidents are prevented;
in this embodiment, since the electromagnetic locking function is very important in the actual engineering, an independent power supply is provided for the electromagnetic locking device to ensure that the electromagnetic locking device can still normally operate when the power module 700 fails;
in the embodiment, the alarm device is used for giving an alarm when a fault or an accident occurs, so that operation and maintenance personnel can be effectively reminded of the occurrence of the fault, if dangerous operation is carried out, the operation and maintenance personnel can stop immediately, the reason can be found out, and the accident can be avoided;
in the embodiment, the voice device is used for providing voice prompt and voice alarm, and for some dangerous operations, after the operation and maintenance personnel are detected to enter, the voice alarm can be sent out, so that the safety of the operation and maintenance personnel can be effectively ensured;
as shown in fig. 5, the core component adopted by the voice device is an NV020C module;
in this embodiment, the illumination device is used to provide illumination, and the illumination device may be used in combination with the sampling module 800 to achieve automatic illumination.
In this embodiment, the input module 500 includes a plurality of buttons and a touch liquid crystal screen;
the plurality of buttons are mainly used for manually starting/stopping a ventilation device, a heating device, a dehumidifying device, an electromagnetic locking device, a lighting device, an alarming device and the like connected with the output module 600;
the touch liquid crystal screen is used for realizing the same functions as the plurality of buttons through a graphical operation interface;
in this embodiment, the touch liquid crystal screen of the input module 500 and the touch liquid crystal screen of the display module 200 can be used in a composite manner, so that the cost can be reduced and the volume can be reduced;
in this embodiment, alarm device adds the manual, and when mainly making things convenient for a plurality of fortune dimension personnel to maintain, if detect latent danger, can remind everybody to pay attention to through first guarantor, resumes work after telling danger each other.
The power module 700 is used to provide system operating voltage.
The sampling module 800 is used for transmitting the acquired data to the MCU module 100;
the sampling module 800 comprises a temperature and humidity sensor, a live detection sensor, an infrared ray PT, a CT transformer, a temperature acquisition unit and a plurality of sensor groups which are all electrically connected with the MCU module 100;
in the embodiment, the temperature and humidity sensors are more than two and are used for collecting temperature and humidity, and the adoption of the multi-path sensors can better feed back the working temperature of the switch cabinet and can also achieve the effect of mutual standby; the temperature and humidity sensor adopts a new generation of SHT20 temperature and humidity sensor chip, and has higher precision and reaction speed; the temperature and humidity sensor, the ventilation device, the heating device, the dehumidifying device and the MCU module 100 are combined for use, so that the intelligent control of the temperature and humidity can be better realized;
the live detection sensor is used for detecting the live condition in the switch cabinet;
the infrared ray PT is used for detecting whether maintenance personnel enter;
AS shown in fig. 6, in the present embodiment, the infrared ray PT employs AS312 AS a core component;
the CT transformer is used for collecting current, voltage and phase, and can further check and calculate power factor, active power measurement and reactive power measurement through the MCU module 100;
the temperature acquisition unit is used for sampling and measuring the temperature of each contact, the busbar and the cable head in the switch cabinet;
as shown in fig. 4, the temperature acquisition unit adopts an MCP9700T sensor; the MCP9700T sensor is connected with the MCU module 100 through an operational amplifier circuit, so that the quality of acquired data can be better guaranteed, the measurement accuracy of the MCP9700T sensor is improved by +/-0.5 ℃ compared with that of a traditional temperature sensor, and the response is quicker under the same condition;
in this embodiment, the plurality of sensor groups are respectively used for indicating a switch state, a breaker position, a grounding switch position, an energy storage state, an isolation switch state and a trolley position; the number of sensors specifically included in each sensor group can be reasonably adopted according to actual requirements or customer requirements; the adoption of a plurality of sensors can effectively feed back the current state of the system and can also indicate whether each operation is really finished; in this embodiment, the specific feedback effect can be visually observed in the touch liquid crystal display and/or the LED lamp.
The communication module 900 is used for realizing data interaction with an external data center and realizing remote control and monitoring functions;
in this embodiment, the communication module 900 is a wireless communication module, and is used for implementing data interaction and remote monitoring with an external data center; the wireless communication module adopts WiFi, ZigBee or Bluetooth and the like;
in the embodiment, the communication module is specifically combined with the 485 communication module and the wireless network communication module, so that a better data interaction effect can be achieved;
as shown in fig. 3, in this embodiment, a wireless temperature measuring terminal is further included; the wireless temperature measuring terminal comprises a radio frequency receiving unit, a singlechip, a network interface unit and a display unit; the input end of the radio frequency receiving unit is connected with the wireless module 300, and the output end of the radio frequency receiving unit is connected with the input end of the single chip microcomputer; the single chip microcomputer is used for receiving, processing and transmitting temperature data; the input end of the network interface unit is connected with the first output end of the singlechip, and the output end of the network interface unit is connected with the MCU module 100 or an external data center for realizing data interaction; the input end of the display unit is connected with the second output end of the singlechip and is used for displaying temperature data;
the wireless temperature measurement terminal is combined with the temperature acquisition unit, mainly aims at the temperature of each contact, busbar and cable head in the cabinet, the direct point location measurement can more directly know the temperature condition of the line, the direct point location measurement has more direct reference value than the measurement of the temperature in the cabinet, the running condition of the line can be known more quickly, and the line condition analysis is carried out on the real-time temperature values of the temperature measurement of the contact, the busbar and the cable head, so that preventive treatment measures are taken in advance;
in the embodiment, the single chip microcomputer of the wireless temperature measurement terminal adopts an STM32 series single chip microcomputer, specifically an STM32F103 single chip microcomputer;
in this embodiment, the wireless module 300 is mainly used for realizing the wireless short-distance data transmission function of the temperature acquisition unit, the temperature acquisition unit transmits acquired data through the wireless module 300, and a radio frequency receiving unit of the wireless temperature measurement terminal receives a signal, processes the signal through the CPU, and displays the signal on the display unit in real time;
in this embodiment, the display unit is a touch liquid crystal screen, and may be used alone or together with the touch liquid crystal screen in the display module 200;
in this embodiment, wireless temperature measurement terminal also can be according to actual conditions a plurality of uses, makes things convenient for the more effective management in scene.
The operation of the main functions is briefly described as follows:
A. automatic temperature and humidity control process
As shown in fig. 2, the temperature and humidity sensor continuously collects temperature and humidity data, and the MCU module 100 determines the collected temperature and humidity data;
when the temperature and humidity data are normal, the MCU module 100 does not have any operation, and the temperature and humidity sensor continuously collects the temperature and humidity data;
when the MCU module 100 judges that the temperature is higher than the upper temperature limit, the MCU module 100 starts the ventilation device through the output module 600 and gives an alarm, and after the ventilation device is started, if the temperature is lower than a high-temperature return point, the ventilation device is stopped and the alarm is cancelled;
when the MCU module 100 determines that the humidity is higher than the upper humidity limit, the MCU module 100 starts the dehumidifier through the output module 600 and gives an alarm, and after the dehumidifier is started, if the humidity is lower than the humidity recovery point, the dehumidifier is stopped and the alarm is cancelled;
when the MCU module 100 determines that the temperature is lower than the lower temperature limit, the MCU module 100 will start the heating device through the output module 600 and send an alarm, and after the heating device is started, if the temperature is higher than the low temperature recovery point, stop the heating device and cancel the alarm.
B. Working process of wireless temperature measuring terminal
As shown in fig. 3, the temperature acquisition unit is installed on a live contact of the electric equipment, acquires temperature data through a built-in temperature sensor, sends the temperature data to the wireless temperature measurement terminal after being processed by the wireless module 300, and displays the temperature data through the display unit after being processed by the STM32 single chip microcomputer after being received by the radio frequency receiving unit, so that a user can know the temperature condition on site conveniently;
in addition, the STM32 single chip microcomputer can transmit the temperature data to the communication module 900 through the network interface unit, and finally the display module 200 can synchronously display the temperature data.
C. Personnel operation voice broadcast
When a person enters the operation, the infrared PT detects that the person enters, meanwhile, the infrared PT sends out person entering information to the MCU module 100, and the voice device can play voice anti-error prompts, so that the operation of operators is facilitated; when a fault occurs, specific fault information can be played when monitoring that personnel enter the voice device, so that the personnel can conveniently and rapidly troubleshoot the fault.
In the embodiment, a fault maintenance meter is arranged in the touch liquid crystal screen and is used for assisting field maintenance personnel to quickly position and maintain faults; when a fault occurs, the touch liquid crystal screen can display the reason and the elimination method of the corresponding fault, and the problem is rapidly solved.
In the embodiment, an anti-interference technology is adopted, the inside of the case is divided into a left functional area and a right functional area, the processor module is placed on the left side, the signal input and output module is placed on the right side, signals between the two modules are connected through flat cables, the middle of the two modules is isolated through metal plates, and the anti-interference performance of the whole machine is greatly enhanced.
The above is only the preferred embodiment of the present invention, the present invention is not limited to the above embodiment, and the technical solution of the present invention is all within the protection scope of the present invention as long as the present invention is realized by the substantially same means.

Claims (10)

1. An intelligent control unit of a switch cabinet is characterized by comprising an MCU module (100), a display module (200), a wireless module (300), a storage module (400), an input module (500), an output module (600), a power supply module (700), a sampling module (800) and a communication module (900), wherein the display module (200), the wireless module (300), the storage module (400), the input module (500), the output module (600), the power supply module (700), the sampling module (800) and the communication module (900) are all;
the MCU module (100) is used for receiving, processing and transmitting data and controlling each module to realize an automatic working process; the display module (200) is used for displaying the parameters and the alarm information transmitted by the MCU module (100); the wireless module (300) is used for wirelessly transmitting the data collected by the sampling module (800); the storage module (400) is used for storing information input by the MCU module (100) and outputting information required by the MCU module (100); the power supply module (700) is used for providing working voltage;
the input module (500) is used for inputting signals to the MCU module (100); the output module (600) is used for receiving the control signal transmitted by the MCU module (100); the output module (600) is also connected with external equipment and used for controlling the operation of the external equipment; the sampling module (800) is used for transmitting the acquired data to the MCU module (100); the communication module (900) realizes data interaction with an external data center and realizes remote control and monitoring functions.
2. The intelligent control unit of the switch cabinet according to claim 1, wherein the display module (200) comprises a touch liquid crystal screen and a plurality of LED indicator lamps; the touch liquid crystal screen is connected with the MCU module (100) and is used for displaying a primary loop simulation diagram, temperature, humidity, charged indication, a locking state, a handcart position, a breaker position, a grounding switch position, an energy storage state, alarm information and an equipment working state; the LED indicating lamps are used for assisting the touch liquid crystal screen to display the state.
3. The intelligent control unit of the switch cabinet according to claim 1, wherein the input module (500) comprises a touch liquid crystal screen, a plurality of buttons; the plurality of buttons are used for manually starting/stopping the external device connected with the output module (600); the touch liquid crystal screen is used for realizing the same functions as the buttons through a graphical operation interface.
4. The intelligent control unit of the switch cabinet according to claim 1 or 3, wherein the external equipment comprises a ventilation device, a heating device, a dehumidifying device, an electromagnetic locking device, a lighting device and an alarm device which are all electrically connected with the output module (600); the ventilation device, the heating device and the dehumidifying device are used for realizing temperature and humidity control; the electromagnetic locking device is used for realizing an electromagnetic locking function; the alarm device is used for giving an alarm when a fault or an accident occurs; the lighting device is used for providing illumination.
5. An intelligent control unit of a switch cabinet according to claim 4, wherein the electromagnetic locking device is provided with a separate power supply for normal operation when the power supply module (700) fails.
6. The intelligent control unit of the switch cabinet according to claim 4, wherein the external equipment further comprises a voice device electrically connected with the output module (600), and the voice device is used for providing voice prompt and voice alarm.
7. The intelligent control unit of the switch cabinet according to claim 1, wherein the sampling module (800) comprises a temperature and humidity sensor, a live detection sensor, an infrared ray PT, a CT transformer and a plurality of sensor groups which are all electrically connected with the MCU module (100); the temperature and humidity sensors are used for acquiring temperature and humidity; the live detection sensor is used for detecting the live condition in the switch cabinet; the infrared PT is used for detecting whether maintenance personnel enter; the CT transformer is used for collecting current, voltage and phase; the sensor groups are respectively used for acquiring a switch state, a breaker position, a grounding switch position, an energy storage state, a disconnecting switch state and a trolley position.
8. The intelligent control unit of the switch cabinet according to claim 1, wherein the sampling module (800) comprises a temperature acquisition unit electrically connected with the MCU module (100); the temperature acquisition unit is used for sampling and measuring the temperature of each contact, busbar and cable head in the switch cabinet.
9. The intelligent control unit of the switch cabinet according to claim 1, further comprising a wireless temperature measuring terminal; the wireless temperature measuring terminal comprises a radio frequency receiving unit, a single chip microcomputer, a network interface unit and a display unit; the input end of the radio frequency receiving unit is connected with the wireless module (300), and the output end of the radio frequency receiving unit is connected with the input end of the single chip microcomputer; the single chip microcomputer is used for receiving, processing and transmitting temperature data; the input end of the network interface unit is connected with the first output end of the singlechip, and the output end of the network interface unit is connected with the MCU module (100) or an external data center for realizing data interaction; the input end of the display unit is connected with the second output end of the single chip microcomputer and used for displaying temperature data.
10. The intelligent control unit of the switch cabinet as claimed in claim 8, wherein the temperature acquisition unit adopts an MCP9700T sensor; the MCP9700T sensor is connected with the MCU module (100) through an operational amplifier circuit.
CN201921063316.XU 2019-07-08 2019-07-08 Intelligent control unit of switch cabinet Active CN210270562U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115333054A (en) * 2022-10-13 2022-11-11 山东达驰阿尔发电气有限公司 Closed bus state controller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115333054A (en) * 2022-10-13 2022-11-11 山东达驰阿尔发电气有限公司 Closed bus state controller

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