CN111583576A - Electrical fire monitoring device and system - Google Patents
Electrical fire monitoring device and system Download PDFInfo
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- CN111583576A CN111583576A CN202010454214.1A CN202010454214A CN111583576A CN 111583576 A CN111583576 A CN 111583576A CN 202010454214 A CN202010454214 A CN 202010454214A CN 111583576 A CN111583576 A CN 111583576A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims abstract description 75
- 230000008859 change Effects 0.000 claims description 35
- 230000007123 defense Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
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Abstract
The embodiment of the invention discloses an electrical fire monitoring device and a system, which are used for solving the problems of inaccurate monitoring caused by complex monitoring circuits and algorithms and easy interference of electrical signals by loads with different characteristics in the prior art, and comprise: the ultraviolet sensor is used for monitoring fault arc signals of the distribution line and the intensity of ultraviolet rays emitted by open fire; and the acquisition controller is electrically connected with the ultraviolet sensor and is used for monitoring whether an electrical fire occurs according to the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor, monitoring the early signs of the electrical fire and the initial open fire, and having two monitoring defense lines. Therefore, the electric fire disaster is monitored and early warned from different fire risk development stages, and the secondary disaster of the fire disaster with non-electric reasons to the electric equipment is reduced, so that the monitoring of the electric fire disaster is more accurate.
Description
Technical Field
The embodiment of the invention relates to the technical field of electrical fire monitoring, in particular to an electrical fire monitoring device and system.
Background
The fault arc, the local temperature rise and the residual current are three early signs of the electrical fire, and the existing electrical fire monitoring device monitors whether the electrical fire occurs or not by monitoring an electrical signal through a fault arc monitoring sensor, but has the defects that a monitoring circuit and an algorithm are complex, and the electrical signal is easily interfered by loads with different characteristics, so that the monitoring is not accurate.
Disclosure of Invention
The embodiment of the invention provides an electrical fire monitoring device and system, which are used for solving the problems that in the prior art, monitoring circuits and algorithms are complex, and electrical signals are easily interfered by loads with different characteristics, so that monitoring is not accurate.
The embodiment of the invention adopts the following technical scheme:
in a first aspect, there is provided an electrical fire monitoring apparatus, the apparatus comprising:
the ultraviolet sensor is used for monitoring fault arc signals of the distribution line and the intensity of ultraviolet rays emitted by open fire;
and the acquisition controller is electrically connected with the ultraviolet sensor and is used for monitoring whether an electrical fire occurs or not according to the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor.
Further, the apparatus further comprises:
the temperature sensor is used for monitoring the temperature change of the distribution line;
the acquisition controller is electrically connected with the temperature sensor and is used for monitoring whether an electrical fire occurs or not according to the temperature change monitored by the temperature sensor, the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor.
Further, the apparatus further comprises:
the infrared sensor is used for monitoring the temperature change of the distribution line and the intensity of infrared rays emitted by open fire;
the acquisition controller is electrically connected with the infrared sensor and is used for monitoring whether an electrical fire occurs or not according to the temperature change and the infrared intensity monitored by the infrared sensor and the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor.
Further, the apparatus further comprises:
the residual current sensor is used for monitoring the residual current of the distribution line;
the acquisition controller is electrically connected with the residual current sensor and is used for monitoring whether an electrical fire disaster occurs according to the residual current monitored by the residual current sensor, the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor.
Furthermore, the acquisition controller is also used for monitoring whether an electrical fire disaster occurs according to residual current monitored by the residual current sensor, temperature change monitored by the temperature sensor, and fault arc signals and ultraviolet intensity monitored by the ultraviolet sensor.
Furthermore, the acquisition controller is also used for monitoring whether an electrical fire disaster occurs according to residual current monitored by the residual current sensor, temperature change and infrared intensity monitored by the infrared sensor, and fault arc signals and ultraviolet intensity monitored by the ultraviolet sensor.
In a second aspect, there is provided an electrical fire monitoring system comprising: an electrical fire monitoring device, the device comprising:
the ultraviolet sensor is used for monitoring fault arc signals of the distribution line and the intensity of ultraviolet rays emitted by open fire;
and the acquisition controller is electrically connected with the ultraviolet sensor and is used for monitoring whether an electrical fire occurs or not according to the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor.
The embodiment of the invention is provided with the ultraviolet sensor and the acquisition controller, the ultraviolet sensor is used for monitoring the fault arc signal of the distribution line and the ultraviolet intensity emitted by the open fire, and the acquisition controller is used for monitoring whether the electrical fire occurs or not according to the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor, and has two monitoring defense lines by monitoring the early signs of the electrical fire and the initial open fire. Therefore, the electric fire disaster is monitored and early warned from different fire risk development stages, and the secondary disaster of the fire disaster with non-electric reasons to the electric equipment is reduced, so that the monitoring of the electric fire disaster is more accurate.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of an electrical fire monitoring device according to an embodiment of the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clear, the technical solutions of the present application will be clearly and completely described below with reference to the specific embodiments of the present specification and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments in the present specification without any inventive step are within the scope of the present application.
Fig. 1 is a schematic structural diagram of an electrical fire monitoring apparatus according to an embodiment of the present invention, which may include: an ultraviolet sensor 10 and an acquisition controller 20. The ultraviolet sensor 10 is used for monitoring the fault arc signal of the distribution line and the ultraviolet intensity emitted by the open fire. The collection controller 20 is electrically connected to the ultraviolet sensor 10, and is configured to monitor whether an electrical fire occurs according to the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor 10.
It is to be understood that the ultraviolet sensor 10 monitors the fault arc signal of the distribution line and the intensity of ultraviolet rays emitted when an initial open fire occurs, and the acquisition controller 20 monitors the occurrence or non-occurrence of an electrical fire based on the fault arc signal and the intensity of ultraviolet rays monitored by the ultraviolet sensor 10.
The ultraviolet sensor 10 and the acquisition controller 20 may be electric devices or circuits existing in the prior art, and embodiments of the present invention are not particularly limited.
The embodiment of the invention is provided with the ultraviolet sensor and the acquisition controller, the ultraviolet sensor is used for monitoring the fault arc signal of the distribution line and the ultraviolet intensity emitted by the open fire, and the acquisition controller is used for monitoring whether the electrical fire occurs or not according to the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor, and has two monitoring defense lines by monitoring the early signs of the electrical fire and the initial open fire. Therefore, the electric fire disaster is monitored and early warned from different fire risk development stages, and the secondary disaster of the fire disaster with non-electric reasons to the electric equipment is reduced, so that the monitoring of the electric fire disaster is more accurate.
In one embodiment, an electrical fire monitoring apparatus provided by an embodiment of the present invention may include: a temperature sensor 60. The temperature sensor 60 is used to monitor the distribution line for temperature changes. The collection controller 20 is electrically connected to the temperature sensor 60, and is configured to monitor whether an electrical fire occurs according to the temperature change monitored by the temperature sensor 60, and the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor 10.
It is to be understood that the temperature sensor 60 monitors the temperature change of the distribution line, and the acquisition controller 20 monitors the occurrence or non-occurrence of an electrical fire according to the temperature change monitored by the temperature sensor 60, and the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor 10. Wherein the temperature change may refer to a temperature change of the temperature rise portion. In addition, the temperature sensor may also monitor the approximate temperature of the initial open flame.
The temperature sensor may be an electric device or circuit existing in the prior art, and the embodiment of the present invention is not particularly limited.
According to the embodiment of the invention, the ultraviolet sensor, the temperature sensor and the acquisition controller are arranged, and the acquisition controller monitors whether an electrical fire occurs or not according to the temperature change monitored by the temperature sensor, the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor. Therefore, the data that collection control ware can receive ultraviolet sensor and temperature sensor transmission can realize mutual evidencing between the data of two sensors for electric fire's monitoring is more accurate.
In one embodiment, an electrical fire monitoring apparatus provided by an embodiment of the present invention may include: and an infrared sensor 30, wherein the infrared sensor 30 is used for monitoring the temperature change of the distribution line and the intensity of infrared rays emitted by an open fire. The collection controller 20 is electrically connected to the infrared sensor 30, and is configured to monitor whether an electrical fire occurs according to the temperature change and the infrared intensity monitored by the infrared sensor 30, and the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor 10.
It is to be understood that the infrared sensor 30 monitors a temperature change of the distribution line and an intensity of infrared rays emitted from an open fire, and the acquisition controller 20 monitors the occurrence or non-occurrence of an electrical fire based on the temperature change monitored by the infrared sensor 30 and the intensity of infrared rays emitted from an open fire, and the fault arc signal and the intensity of ultraviolet rays monitored by the ultraviolet sensor 10. Wherein the temperature change may refer to a temperature change of the temperature rise portion. In addition, the infrared sensor 30 may also monitor the approximate temperature of the initial open flame.
The infrared sensor 30 may be an electric device or circuit existing in the prior art, and the embodiment of the present invention is not particularly limited.
According to the embodiment of the invention, the ultraviolet sensor, the infrared sensor and the acquisition controller are arranged, and the acquisition controller monitors whether an electrical fire occurs or not according to the temperature change monitored by the infrared sensor, the infrared intensity emitted by an open fire, and the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor. Therefore, the data that collection control ware can receive ultraviolet sensor and infrared sensor transmission can realize mutual evidencing between the data of two sensors for electric fire's monitoring is more accurate.
In one embodiment, an electrical fire monitoring apparatus provided by an embodiment of the present invention may include: and a residual current sensor 40, wherein the residual current sensor 40 is used for monitoring the residual current of the distribution line. The acquisition controller 20 is electrically connected with the residual current sensor 40 and is used for monitoring whether an electrical fire disaster occurs or not according to the residual current monitored by the residual current sensor 40, the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor 10.
Alternatively, the collection controller 20 is further configured to monitor whether an electrical fire occurs according to the residual current monitored by the residual current sensor 40, the temperature change monitored by the temperature sensor, and the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor 10.
Alternatively, the collection controller 20 is further configured to monitor whether an electrical fire occurs based on the residual current monitored by the residual current sensor 40, the temperature change and the infrared intensity monitored by the infrared sensor 30, and the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor 10.
The embodiment of the invention is provided with the ultraviolet sensor, the infrared sensor (temperature sensor), the residual current sensor and the acquisition controller, wherein the acquisition controller monitors whether an electrical fire happens or not according to the residual current monitored by the residual current sensor, the temperature change and the infrared intensity monitored by the infrared sensor, and the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor. Therefore, the data that collection controller can receive ultraviolet sensor, infrared sensor (temperature sensor) and residual current sensor conveying can realize mutual evidencing between the data of three sensor for the monitoring of electric fire is more accurate.
An embodiment of the present invention provides an electrical fire monitoring system, which may include: an electrical fire monitoring device. As shown in fig. 1, the apparatus includes an ultraviolet sensor 10 and an acquisition controller 20. The ultraviolet sensor 10 is used for monitoring the fault arc signal of the distribution line and the ultraviolet intensity emitted by the open fire. The collection controller 20 is electrically connected to the ultraviolet sensor 10, and is configured to monitor whether an electrical fire occurs according to the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor 10.
It is to be understood that the ultraviolet sensor 10 monitors the fault arc signal of the distribution line and the intensity of ultraviolet rays emitted when an initial open fire occurs, and the acquisition controller 20 monitors the occurrence or non-occurrence of an electrical fire based on the fault arc signal and the intensity of ultraviolet rays monitored by the ultraviolet sensor 10.
The ultraviolet sensor 10 and the acquisition controller 20 may be electric devices or circuits existing in the prior art, and embodiments of the present invention are not particularly limited.
In one embodiment, an electrical fire monitoring apparatus provided by an embodiment of the present invention may include: a temperature sensor. The temperature sensor is used for monitoring the temperature change of the distribution line. The collection controller 20 is electrically connected to the temperature sensor and is used for monitoring whether an electrical fire occurs according to the temperature change monitored by the temperature sensor, and the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor 10.
In one embodiment, an electrical fire monitoring apparatus provided by an embodiment of the present invention may include: and an infrared sensor 30, wherein the infrared sensor 30 is used for monitoring the temperature change of the distribution line and the intensity of infrared rays emitted by an open fire. The collection controller 20 is electrically connected to the infrared sensor 30, and is configured to monitor whether an electrical fire occurs according to the temperature change and the infrared intensity monitored by the infrared sensor 30, and the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor 10.
In one embodiment, an electrical fire monitoring apparatus provided by an embodiment of the present invention may include: and a residual current sensor 40, wherein the residual current sensor 40 is used for monitoring the residual current of the distribution line. The acquisition controller 20 is electrically connected with the residual current sensor 40 and is used for monitoring whether an electrical fire disaster occurs or not according to the residual current monitored by the residual current sensor 40, the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor 10.
Alternatively, the collection controller 20 is further configured to monitor whether an electrical fire occurs according to the residual current monitored by the residual current sensor 40, the temperature change monitored by the temperature sensor, and the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor 10.
Alternatively, the collection controller 20 is further configured to monitor whether an electrical fire occurs based on the residual current monitored by the residual current sensor 40, the temperature change and the infrared intensity monitored by the infrared sensor 30, and the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor 10.
The acquisition controller 20 receives data information transmitted by two or three sensors, performs preliminary data fusion and analysis judgment, reports the judgment conclusion to the control center through a communication line, and performs local alarm in an acoustic and optical mode.
The embodiment of the invention is provided with the ultraviolet sensor, the infrared sensor (temperature sensor), the residual current sensor and the acquisition controller, wherein the acquisition controller monitors whether an electrical fire occurs or not according to the residual current monitored by the residual current sensor, the temperature change and the infrared intensity monitored by the infrared sensor, and the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor, and has two monitoring defense lines by monitoring the early signs of the electrical fire and the initial open fire. Therefore, the electric fire disaster is monitored and early warned from different fire risk development stages, and the secondary disaster of the fire disaster with non-electric reasons to the electric equipment is reduced, so that the monitoring of the electric fire disaster is more accurate.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (7)
1. An electrical fire monitoring device, comprising:
the ultraviolet sensor is used for monitoring fault arc signals of the distribution line and the intensity of ultraviolet rays emitted by open fire;
and the acquisition controller is electrically connected with the ultraviolet sensor and is used for monitoring whether an electrical fire occurs or not according to the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor.
2. An electrical fire monitoring device according to claim 1, comprising:
the temperature sensor is used for monitoring the temperature change of the distribution line;
the acquisition controller is electrically connected with the temperature sensor and is used for monitoring whether an electrical fire occurs or not according to the temperature change monitored by the temperature sensor, the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor.
3. An electrical fire monitoring device according to claim 1, comprising:
the infrared sensor is used for monitoring the temperature change of the distribution line and the intensity of infrared rays emitted by open fire;
the acquisition controller is electrically connected with the infrared sensor and is used for monitoring whether an electrical fire occurs or not according to the temperature change and the infrared intensity monitored by the infrared sensor and the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor.
4. An electrical fire monitoring device as claimed in any of claims 1 to 3, comprising:
the residual current sensor is used for monitoring the residual current of the distribution line;
the acquisition controller is electrically connected with the residual current sensor and is used for monitoring whether an electrical fire disaster occurs according to the residual current monitored by the residual current sensor, the fault arc signal and the ultraviolet intensity monitored by the ultraviolet sensor.
5. Electrical fire monitoring apparatus according to claim 4,
the acquisition controller is also used for monitoring whether an electrical fire disaster occurs according to residual current monitored by the residual current sensor, temperature change monitored by the temperature sensor, and fault arc signals and ultraviolet intensity monitored by the ultraviolet sensor.
6. Electrical fire monitoring apparatus according to claim 4,
the acquisition controller is also used for monitoring whether an electrical fire disaster occurs according to residual current monitored by the residual current sensor, temperature change and infrared intensity monitored by the infrared sensor, and fault arc signals and ultraviolet intensity monitored by the ultraviolet sensor.
7. An electrical fire monitoring system, comprising: 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010454214.1A CN111583576A (en) | 2020-05-26 | 2020-05-26 | Electrical fire monitoring device and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010454214.1A CN111583576A (en) | 2020-05-26 | 2020-05-26 | Electrical fire monitoring device and system |
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| CN111583576A true CN111583576A (en) | 2020-08-25 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08315272A (en) * | 1995-05-12 | 1996-11-29 | Nittan Co Ltd | Device and method for fire detection |
| CN1374231A (en) * | 2001-03-13 | 2002-10-16 | 株式会社新来岛船坞 | Ship fire detection system and local fire-fighting system for ship engine room |
| CN102385785A (en) * | 2011-11-07 | 2012-03-21 | 河南理工大学 | Electrical fire accident pre-warning and alarming device for low-voltage switch and low-voltage distribution box |
| CN103530970A (en) * | 2012-07-05 | 2014-01-22 | 宁波虎兴数控科技有限公司 | Composite electrical fire monitoring detector |
| KR101579939B1 (en) * | 2015-01-21 | 2015-12-23 | 강창원 | A solar power system with function of monitoring and diagnosing electric fire by detecting overheat and arc |
| CN205375736U (en) * | 2016-02-02 | 2016-07-06 | 北京维拓时代建筑设计股份有限公司 | Illuminating line electric fire detection system |
| CN108508307A (en) * | 2018-05-25 | 2018-09-07 | 国网冀北电力有限公司廊坊供电公司 | Electric distribution network electrical equipment monitors system |
| CN208752762U (en) * | 2018-09-03 | 2019-04-16 | 南京消防器材股份有限公司 | Electric fire monitoring device |
| CN110146793A (en) * | 2019-05-21 | 2019-08-20 | 国网河北省电力有限公司衡水市桃城区供电分公司 | A kind of method of electric line electricity sparking fever class fault location |
| CN110428580A (en) * | 2019-07-03 | 2019-11-08 | 智慧式有限公司 | A kind of household safe wisdom formula method of controlling |
| CN212181609U (en) * | 2020-05-26 | 2020-12-18 | 良业科技集团股份有限公司 | Electrical fire monitoring device and system |
-
2020
- 2020-05-26 CN CN202010454214.1A patent/CN111583576A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08315272A (en) * | 1995-05-12 | 1996-11-29 | Nittan Co Ltd | Device and method for fire detection |
| CN1374231A (en) * | 2001-03-13 | 2002-10-16 | 株式会社新来岛船坞 | Ship fire detection system and local fire-fighting system for ship engine room |
| CN102385785A (en) * | 2011-11-07 | 2012-03-21 | 河南理工大学 | Electrical fire accident pre-warning and alarming device for low-voltage switch and low-voltage distribution box |
| CN103530970A (en) * | 2012-07-05 | 2014-01-22 | 宁波虎兴数控科技有限公司 | Composite electrical fire monitoring detector |
| KR101579939B1 (en) * | 2015-01-21 | 2015-12-23 | 강창원 | A solar power system with function of monitoring and diagnosing electric fire by detecting overheat and arc |
| CN205375736U (en) * | 2016-02-02 | 2016-07-06 | 北京维拓时代建筑设计股份有限公司 | Illuminating line electric fire detection system |
| CN108508307A (en) * | 2018-05-25 | 2018-09-07 | 国网冀北电力有限公司廊坊供电公司 | Electric distribution network electrical equipment monitors system |
| CN208752762U (en) * | 2018-09-03 | 2019-04-16 | 南京消防器材股份有限公司 | Electric fire monitoring device |
| CN110146793A (en) * | 2019-05-21 | 2019-08-20 | 国网河北省电力有限公司衡水市桃城区供电分公司 | A kind of method of electric line electricity sparking fever class fault location |
| CN110428580A (en) * | 2019-07-03 | 2019-11-08 | 智慧式有限公司 | A kind of household safe wisdom formula method of controlling |
| CN212181609U (en) * | 2020-05-26 | 2020-12-18 | 良业科技集团股份有限公司 | Electrical fire monitoring device and system |
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Address after: Room 301, Room 3, Building 4, Courtyard 10, Liangshuihe First Street, Daxing Economic and Technological Development Zone, Beijing, 100176 Applicant after: Liangye Technology Group Co., Ltd Address before: Room 301, Room 3, Building 4, Courtyard 10, Liangshuihe First Street, Beijing Economic and Technological Development Zone, 100176 Applicant before: Beijing Liangye Environmental Technology Co.,Ltd. |