Disclosure of Invention
In order to solve the problem, the utility model provides an outdoor long-range power transmission and distribution control system of diesel generating set, concrete technical scheme is as follows:
an outdoor remote power transmission and distribution control system of a diesel generating set comprises a circuit breaker, a voltage connecting cable, a current transformer, a copper bar temperature sensor, a grounding resistance sensor, a circuit breaker control module, a network camera, a GPS positioning antenna, a cloud monitoring module, a cloud server and a mobile terminal; the circuit breaker, the grounding resistance sensor, the circuit breaker control module, the GPS antenna and the cloud monitoring module are arranged inside the power distribution cabinet;
one end of the circuit breaker is connected with an output cable of the diesel generator set, and the other end of the circuit breaker is connected with a load; one end of the voltage connecting cable is connected with an output cable of the diesel generator set, and the other end of the voltage connecting cable is connected with the circuit breaker control module; one end of the current transformer is connected with an output cable of the diesel generator set, and the other end of the current transformer is connected with the circuit breaker control module; the copper bar temperature sensor is fixed on a copper bar of the circuit breaker, and the output end of the copper bar temperature sensor is connected with the circuit breaker control module; one end of the grounding resistance sensor is connected with an output cable of the diesel generator set, and the other end of the grounding resistance sensor is connected with the circuit breaker control module; the circuit breaker control module, the network camera, the GPS positioning antenna and the cloud server are respectively connected with the cloud monitoring module; the cloud server is connected with the mobile terminal; the network camera is arranged inside or outside the power distribution cabinet;
the circuit breaker is used for controlling the on-off of an output line of the diesel generating set; the voltage connection cable is used for acquiring the output voltage of the diesel generator set and transmitting the acquired data to the circuit breaker control module; the current transformer is used for collecting the output current of the diesel generator set and transmitting the collected data to the circuit breaker control module; the copper bar temperature sensor is used for acquiring the copper bar temperature of the circuit breaker in real time and transmitting the acquired data to the circuit breaker control module; the grounding resistance sensor is used for acquiring the grounding resistance of an output cable of the diesel generator set and transmitting the acquired data to the circuit breaker control module; the circuit breaker control module is used for transmitting data collected by the connecting cable, the current transformer, the copper bar temperature sensor and the grounding resistance sensor to the cloud monitoring module; the GPS positioning antenna is used for acquiring position data of the power distribution cabinet and transmitting the acquired data to the cloud monitoring module; the network camera is used for acquiring video data inside or outside the power distribution cabinet and transmitting the acquired data to the cloud monitoring module; the cloud monitoring module is used for transmitting data transmitted by the circuit breaker control module, the network camera and the GPS positioning antenna to the cloud server for storage, so that an operator can check the operation data of the power transmission and distribution cabinet through the mobile terminal and can send corresponding control signals to the circuit breaker control module to control the circuit breaker to open or close according to the acquired data through the mobile terminal, the cloud server and the cloud monitoring module in sequence.
Preferably, the device also comprises a humidity sensor and an anti-condensation heater; the humidity sensor is arranged inside the power distribution cabinet and is connected with the circuit breaker control module; the anti-condensation heater is arranged inside the power distribution cabinet and is connected with the circuit breaker control module; the humidity sensor is used for collecting temperature and humidity data inside the power distribution cabinet and transmitting the collected data to the circuit breaker control module, and the circuit breaker control module controls the anti-condensation heater to be started or closed according to the data collected by the humidity sensor.
Preferably, the cloud monitoring module and the cloud server communicate through a 4G/5G network.
Preferably, the Beidou satellite communication module is further included; the Beidou satellite communication module is respectively connected with the circuit breaker control module and the cloud server; the Beidou satellite communication module is used for establishing a communication link between the cloud monitoring module and the cloud server when the 4G/5G network cannot provide services.
The utility model has the advantages that: the utility model discloses can realize especially when on-the-spot road environment is very abominable in the field construction effect, operating personnel can look over diesel generating set's transmission line's real-time data and control circuit breaker separating brake through cell-phone/dull and stereotyped APP or computer terminal, closes a floodgate and operation such as lock machine, and an operating personnel can manage the multi-direction transmission line of multiline simultaneously in arbitrary region arbitrary direction, and the simple operation, the operational data surveyability reduces the human cost.
Detailed Description
For a better understanding of the present invention, the following further description is made in conjunction with the accompanying drawings and the specific embodiments:
as shown in fig. 1, an outdoor remote power transmission and distribution control system for a diesel generating set comprises a circuit breaker, a voltage connection cable, a current transformer, a copper bar temperature sensor, a ground resistance sensor, a circuit breaker control module, a network camera, a GPS positioning antenna, a cloud monitoring module, a cloud server and a mobile terminal; the circuit breaker, the grounding resistance sensor, the circuit breaker control module, the GPS antenna and the cloud monitoring module are arranged inside the power distribution cabinet;
one end of the circuit breaker is connected with an output cable of the diesel generator set, and the other end of the circuit breaker is connected with a load; one end of the voltage connecting cable is connected with an output cable of the diesel generator set, and the other end of the voltage connecting cable is connected with the circuit breaker control module; one end of the current transformer is connected with an output cable of the diesel generator set, and the other end of the current transformer is connected with the circuit breaker control module; the copper bar temperature sensor is fixed on a copper bar of the circuit breaker, and the output end of the copper bar temperature sensor is connected with the circuit breaker control module; one end of the grounding resistance sensor is connected with an output cable of the diesel generator set, and the other end of the grounding resistance sensor is connected with the circuit breaker control module; the circuit breaker control module, the network camera, the GPS positioning antenna and the cloud server are respectively connected with the cloud monitoring module; the cloud server is connected with the mobile terminal; the network camera is arranged inside or outside the power distribution cabinet;
the circuit breaker is used for controlling the on-off of an output line of the diesel generating set; the voltage connection cable is used for acquiring the output voltage of the diesel generator set and transmitting the acquired data to the circuit breaker control module; the current transformer is used for collecting the output current of the diesel generator set and transmitting the collected data to the circuit breaker control module; the copper bar temperature sensor is used for acquiring the temperature of a copper bar of the circuit breaker in real time and transmitting the acquired data to the circuit breaker control module; the grounding resistance sensor is used for acquiring the grounding resistance of an output cable of the diesel generator set and transmitting the acquired data to the circuit breaker control module; the circuit breaker control module is used for transmitting data collected by the voltage connection cable, the current transformer, the copper bar temperature sensor and the grounding resistance sensor to the cloud monitoring module; the GPS positioning antenna is used for acquiring position data of the power distribution cabinet and transmitting the acquired data to the cloud monitoring module, wherein the position data comprises longitude and latitude information and altitude information; the network camera is used for acquiring video data inside or outside the power distribution cabinet and transmitting the acquired data to the cloud monitoring module; the cloud monitoring module is used for transmitting data transmitted by the circuit breaker control module, the network camera and the GPS positioning antenna to the cloud server for storage, so that an operator can check the operation data of the power transmission and distribution cabinet through the mobile terminal, and sends corresponding control signals to the circuit breaker control module to control the circuit breaker to open or close according to the acquired data through the mobile terminal, the cloud server and the cloud monitoring module in sequence, and then the closing and opening of a power transmission and distribution line of the diesel generating set are controlled. The utility model discloses a mobile terminal includes computer, panel computer, cell-phone etc..
The current transformer selects LMZJ 1-0.66 to detect the current parameters of the power transmission and distribution line, and the detected current is connected to the current detection wiring port of the circuit breaker control module. The copper bar temperature sensor adopts a nickel terminal temperature sensor, the terminal material is nickel, the lead material is XLPE 150 ℃, the withstand voltage grade is DC 1800V, the resistance precision is +/-1% @25 ℃, the B value precision is +/-1%, the use temperature is-40- +125 ℃, and the copper bar temperature detected by the copper bar temperature sensor is connected to a programmable analog input port of the circuit breaker control module.
The model ETCR5500 is selected as the ground resistance sensor, and detected ground resistance data are accessed to a programmable analog quantity input port of the circuit breaker control module.
As shown in fig. 2, the model of the circuit breaker control module is selected to be a HAT600PBI module, and the power supply of the circuit breaker control module is taken from the circuit breaker inlet wire end in the power distribution cabinet. The circuit breaker control module collects and displays incoming line phase voltage, line voltage, phase sequence and frequency, outgoing line load current and power, a circuit breaker closing state and opening state, copper bar temperature, grounding resistance and environment humidity; and performing over-voltage, under-voltage, over-frequency, under-frequency, phase loss, reverse phase sequence, over-current, over-power, over-temperature of the copper bar and grounding resistance alarm; according to the collection environment humidity data, the anti-condensation heater is controlled to heat the inside of the power distribution cabinet, and the phenomenon that the operation safety is affected when the wet air is condensed into water drops and attached to the inside of the power distribution cabinet is prevented. The circuit breaker control module can perform manual switching-on control, manual switching-off control, automatic switching-on control, automatic switching-off control and emergency automatic switching-off control. The circuit breaker control module controls the two circuit breakers to work simultaneously. The circuit breaker control module and the cloud monitoring module exchange data and instructions through any one of an RS485 interface, a USB interface, a LINK interface, a CAN interface or an RS232 interface.
The network camera selects a DS-2DB4220I-CX (W) camera.
The utility model also comprises a humidity sensor and an anti-condensation heater; the humidity sensor is arranged in the power distribution cabinet and is connected with the circuit breaker control module; the anti-condensation heater is arranged inside the power distribution cabinet and is connected with the circuit breaker control module; the humidity sensor is used for collecting temperature and humidity data inside the power distribution cabinet, the collected data are transmitted to the circuit breaker control module, and the circuit breaker control module controls the anti-condensation heater to be started or closed according to the data collected by the humidity sensor. When humidity sensor detected the inside humidity of switch board and exceeded the default, then started the anti-condensation heater, prevented that the humid air condensation from forming the drop of water and attaching to on electrical component, prevent mainly that the humid air condensation from forming the drop of water and attaching to on the circuit breaker. When the humidity sensor detects that the humidity in the power distribution cabinet is lower than a preset value, the anti-condensation heater is turned off.
The cloud monitoring module is communicated with the cloud server through a 4G/5G network, and specifically, the cloud monitoring module is provided with a 4G/5G mobile phone card. The utility model also comprises a big Dipper satellite communication module; the Beidou satellite communication module is respectively connected with the circuit breaker control module and the cloud server; the Beidou satellite communication module is used for establishing a communication link between the cloud monitoring module and the cloud server when the 4G/5G network cannot provide services. The circuit breaker control module and the cloud monitoring module exchange data and instructions through any one of an RS485 interface, a USB interface, a LINK interface, a CAN interface or an RS232 interface.
As shown in fig. 3, the CMM366A-4G module is selected by the cloud monitoring module, the cloud monitoring module may exchange data and instructions with the circuit breaker control module through any one of an RS485 interface, a USB interface, a LINK interface, a CAN interface, or an RS232 interface, and may acquire video information of the network camera through the USB interface or the LINK interface. GSP position information is obtained through a GPS antenna, two programmable switching value input signal interfaces are provided, a network data communication protocol in a JSON format is adopted through integration processing, a compression algorithm is adopted, network flow is greatly reduced, real-time data are uploaded to a cloud server in real time, and the uploading network can be 4G/5G or Beidou satellite communication.
The utility model discloses a theory of operation does:
the connecting cable acquires the output voltage of the diesel generator set and transmits the acquired data to the circuit breaker control module; the current transformer collects the output current of the diesel generating set and transmits the collected data to the circuit breaker control module; the copper bar temperature sensor acquires the temperature of an output cable of the diesel generating set in real time and transmits the acquired data to the circuit breaker control module; the grounding resistance sensor acquires the grounding resistance of an output cable of the diesel generator set and transmits the acquired data to the circuit breaker control module; the circuit breaker control module transmits data collected by the connecting cable, the current transformer, the copper bar temperature sensor and the grounding resistance sensor to the cloud monitoring module;
the GPS positioning antenna acquires position data of the power distribution cabinet and transmits the acquired data to the cloud monitoring module, wherein the position data comprises longitude and latitude information and altitude information; the network camera collects video data inside or outside the power distribution cabinet and transmits the collected data to the cloud monitoring module; the cloud monitoring module transmits data transmitted by the circuit breaker control module, the network camera and the GPS positioning antenna to the cloud server for storage, so that an operator can check the operating data of the diesel generating set through the mobile terminal, the cloud server sends corresponding control signals to the circuit breaker control module according to the acquired data sequentially through the mobile terminal, the cloud server and the cloud monitoring module, the circuit breaker is switched off or switched on under the control of the circuit breaker control module, and the connection and disconnection of a transmission and distribution line of the diesel generating set are controlled. The line voltage of normal operation data of the power transmission and distribution cabinet is 339-456V, the phase voltage is 196-264V, the frequency is 45.0-57.0 Hz, the phase sequence is 0-120-240 degrees, the rated current and the rated power are set according to set values, the temperature of a copper bar is set to be less than or equal to 95 ℃, the grounding resistance is set to be less than or equal to 4 omega, if parameters are all in the data range, the circuit breaker control module controls the circuit breaker to be switched on, and if the data deviate from any data range, the circuit breaker control module controls the circuit breaker to be automatically switched off.
The utility model discloses added circuit breaker control module on the original switch board that only has the circuit breaker, current transformer, copper bar temperature sensor, humidity transducer, anti-condensation heater, ground resistance sensor, make the generating set power transmission system who originally has only manual combined floodgate separating brake mode of operation upgrade, make it have automatic control operation, manual control operation, urgent disconnection operation during the automatic control state, 4 kinds of mode of operation of urgent manual operation, and have voltage, electric current, frequency, temperature, humidity, a state, monitoring alarming function such as ground resistance. And then a cloud monitoring module is added to the combination card 4G/5G (mobile phone card 4G/5G), a GPS positioning antenna, Beidou satellite communication, a network camera, a cloud server, a mobile phone/tablet APP (IOS or android system) computer terminal to increase a remote manual control operation mode. And the operation data can be checked and the operation environment can be observed at any time and any place in real time. Manage many transmission lines of a plurality of directions simultaneously, make the operation more convenient safe and reliable, reduce the human cost.
The present invention is not limited to the above-described embodiments, but only to the preferred embodiments of the present invention, and the present invention is not limited thereto, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.