CN214429328U - Outdoor remote power transmission and distribution control system of diesel generating set - Google Patents
Outdoor remote power transmission and distribution control system of diesel generating set Download PDFInfo
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- CN214429328U CN214429328U CN202120629496.4U CN202120629496U CN214429328U CN 214429328 U CN214429328 U CN 214429328U CN 202120629496 U CN202120629496 U CN 202120629496U CN 214429328 U CN214429328 U CN 214429328U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 27
- 238000012544 monitoring process Methods 0.000 claims abstract description 45
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052802 copper Inorganic materials 0.000 claims abstract description 31
- 239000010949 copper Substances 0.000 claims abstract description 31
- 238000004891 communication Methods 0.000 claims description 15
- 238000009833 condensation Methods 0.000 claims description 15
- 238000010276 construction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000000819 phase cycle Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Abstract
The utility model relates to a diesel generating set automated control technical field, concretely relates to diesel generating set outdoor remote power transmission and distribution control system, including circuit breaker, voltage connection cable, current transformer, copper bar temperature sensor, ground resistance sensor, circuit breaker control module, network camera, GPS positioning antenna, cloud monitoring module, cloud server, 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; 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.
Description
Technical Field
The utility model relates to a diesel generating set automated control technical field, concretely relates to outdoor long-range power transmission and distribution control system of diesel generating set.
Background
The diesel oil generator set is difficult to replace in daily use, particularly in the aspects of field construction, water action, oil exploitation, engineering rush repair, military affairs and the like. Often because transmission line is relatively far away, the relatively complicated abominable operating personnel of on-the-spot road environment can't timely control diesel generating set power transmission and distribution power supply outage, or can't in time know transmission and distribution lines operational aspect thereby influence field construction progress and power consumption safety.
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.
Drawings
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a wiring schematic of the circuit breaker control module;
fig. 3 is a wiring schematic diagram of the cloud monitoring module.
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.
Claims (4)
1. The utility model provides an outdoor long-range power transmission and distribution control system of diesel generating set which characterized in that: the intelligent control system comprises a circuit breaker, a voltage connection 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.
2. The outdoor remote power transmission and distribution control system of the diesel generator set according to claim 1, characterized in that: 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.
3. The outdoor remote power transmission and distribution control system of the diesel generator set according to claim 1, characterized in that: the cloud monitoring module is communicated with the cloud server through a 4G/5G network.
4. The outdoor remote power transmission and distribution control system of the diesel generator set according to claim 3, characterized in that: the Beidou satellite communication module is also 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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120629496.4U CN214429328U (en) | 2021-03-29 | 2021-03-29 | Outdoor remote power transmission and distribution control system of diesel generating set |
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|---|---|---|---|
| CN202120629496.4U CN214429328U (en) | 2021-03-29 | 2021-03-29 | Outdoor remote power transmission and distribution control system of diesel generating set |
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| CN214429328U true CN214429328U (en) | 2021-10-19 |
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| CN202120629496.4U Active CN214429328U (en) | 2021-03-29 | 2021-03-29 | Outdoor remote power transmission and distribution control system of diesel generating set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220330411A1 (en) * | 2021-04-07 | 2022-10-13 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Fracturing well site system |
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2021
- 2021-03-29 CN CN202120629496.4U patent/CN214429328U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220330411A1 (en) * | 2021-04-07 | 2022-10-13 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Fracturing well site system |
| US11596047B2 (en) * | 2021-04-07 | 2023-02-28 | Yantai Jereh Petroleum Equipments Technologies Co., Ltd. | Fracturing well site system |
| US11683878B2 (en) | 2021-04-07 | 2023-06-20 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Fracturing well site system |
| US11729893B2 (en) | 2021-04-07 | 2023-08-15 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Fracturing well site system |
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| CP02 | Change in the address of a patent holder |
Address after: 530000 rooms 1-1, floor 1, workshop 2, No. 10, Kechuang Road, high tech Zone, Nanning, Guangxi Zhuang Autonomous Region (East) Patentee after: GUANGXI DINGBO ELECTRICITY EQUIPMENT MANUFACTURING CO.,LTD. Address before: 530000 Room 601, experimental building 2, Gaohua Road, Nanning, Guangxi Zhuang Autonomous Region Patentee before: GUANGXI DINGBO ELECTRICITY EQUIPMENT MANUFACTURING CO.,LTD. |
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Address after: 530006 Room 1-1, 1st Floor, Workshop 2, No. 10 Kechuang Road, High tech Zone, Nanning City, Guangxi Zhuang Autonomous Region (East) Patentee after: Guangxi Dingbo Generator Set Manufacturing Co.,Ltd. Country or region after: China Address before: 530000 rooms 1-1, floor 1, workshop 2, No. 10, Kechuang Road, high tech Zone, Nanning, Guangxi Zhuang Autonomous Region (East) Patentee before: GUANGXI DINGBO ELECTRICITY EQUIPMENT MANUFACTURING CO.,LTD. Country or region before: China |
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