CN111786287A - Internal monitoring system and monitoring method for low-voltage drawer cabinet system - Google Patents
Internal monitoring system and monitoring method for low-voltage drawer cabinet system Download PDFInfo
- Publication number
- CN111786287A CN111786287A CN202010430539.6A CN202010430539A CN111786287A CN 111786287 A CN111786287 A CN 111786287A CN 202010430539 A CN202010430539 A CN 202010430539A CN 111786287 A CN111786287 A CN 111786287A
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- Prior art keywords
- cabinet
- cabinet body
- drawer
- static contact
- monitoring
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
- H02B1/36—Racks with withdrawable units
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Drawers Of Furniture (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention provides an internal monitoring system of a low-voltage drawer cabinet system, which comprises a cabinet body part and a drawer part, wherein the cabinet body part comprises a cabinet body and a drawer part; a rear monitoring cabinet part is arranged on the rear end face of the cabinet body, a temperature and humidity sensor part, an alarm part and a wireless signal sending device are arranged on the inner side wall of the rear monitoring cabinet part, and a detection probe of the temperature and humidity sensor part extends into the cabinet body; whether the drawer part of the low-voltage drawer cabinet is successfully reset or not and the temperature and humidity inside the cabinet body continue to be monitored can be judged by arranging the pressure sensor part, the temperature and humidity sensor part, the alarm part and the wireless signal sending device, and meanwhile, the alarm can be given out when abnormal conditions occur and information is sent to the remote monitoring terminal to realize remote monitoring.
Description
Technical Field
The invention particularly relates to an internal monitoring system and a monitoring method of a low-voltage drawer cabinet system.
Background
The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. Such as instruments, automatic control, motor magnetic switches, various alternating current contactors and the like, some switch cabinets with high-voltage chambers and low-voltage chambers are also provided, high-voltage buses are arranged, such as power plants and the like, some switch cabinets with low-frequency load shedding for protecting main equipment are also provided, and the switch cabinets are mainly used for opening, closing, controlling and protecting electric equipment in the process of generating, transmitting, distributing and converting electric energy of an electric power system. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like.
The static contact and the moving contact of the low pressure drawer cabinet of present most enterprise design are mostly fixed knot constructs, produce the bad contact condition often appears with the moving contact in the static contact under the drawer propulsive condition after the deformation gap between the long-time cabinet body structure of using, simultaneously, the low pressure drawer cabinet is when the use in humid area, receives the influence of temperature, humidity environment factor, and the part is easy ageing, and insulating properties is not good, and can't be to realizing wireless remote monitoring, consequently need improve. Therefore, an internal monitoring system for a low-voltage drawer cabinet system is urgently needed to solve the problem.
Disclosure of Invention
The present invention is directed to provide an internal monitoring system of a low-voltage drawer cabinet system, which can solve the above problems.
In order to meet the requirements, the technical scheme adopted by the invention is as follows: the internal monitoring system of the low-voltage drawer cabinet system comprises a cabinet body part and a drawer part, wherein two dynamic static contact parts are respectively arranged at two ends of the interior of the cabinet body part, and two triangular grooves are respectively arranged at two sides of the front end of the drawer part; the movable contact part is arranged inside each triangular groove, each dynamic static contact part comprises an L-shaped plate and a static contact, each static contact is connected with the corresponding L-shaped plate through an elastic connecting part, two mounting auxiliary plates are arranged on two sides of each L-shaped plate respectively, and each mounting auxiliary plate is inserted with one fixing bolt.
The monitoring method comprises the following steps:
s1: arranging a dynamic static contact head part on the drawer part, and arranging a pressure sensor part on the dynamic static contact head part;
s2: a temperature and humidity sensor part, an alarm part and a wireless signal transmitting device are arranged in the cabinet body;
s3: monitoring the internal condition of the cabinet body by using the pressure sensor part and the temperature and humidity sensor part and transmitting monitoring information to the alarm part and the wireless signal transmitting device;
s4: the wireless signal transmitting device transmits the received information to the monitoring terminal;
s5: the monitoring terminal sends the data of the cable joint sensor of the switch cabinet of the power distribution network to the wireless signal sending device;
s6: preprocessing the sensor data;
s7: analyzing the operation state of the cable joint of the switch cabinet on the preprocessed sensor data to obtain a state analysis result;
s8: and according to the state analysis result, the operating state of the cable joint of the switch cabinet is judged abnormally, an alarm is given out through an alarm part, and meanwhile, the wireless signal sending device sends alarm information to the monitoring terminal.
The internal monitoring system and the monitoring method for the low-voltage drawer cabinet system have the advantages that:
whether the drawer part of the low-voltage drawer cabinet is successfully reset or not and the temperature and humidity inside the cabinet body continue to be monitored can be judged by arranging the pressure sensor part, the temperature and humidity sensor part, the alarm part and the wireless signal sending device, and meanwhile, the alarm can be given out when abnormal conditions occur and information is sent to the remote monitoring terminal to realize remote monitoring. Through set up the static contact head portion of developments in cabinet body portion inside to set up static contact, elastic connection portion on the static contact head portion of developments, can make the contact position of static contact and movable contact head become a distance from original fixed point promptly the motion trail of elastic connection portion back static contact of being pressed, just so can avoid making down the static contact and the condition that the moving contact takes place contact failure because low pressure drawer cabinet takes place a small amount of deformations.
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 schematically illustrates a structural schematic diagram of a low-voltage drawer cabinet system internal monitoring system according to an embodiment of the present application.
Fig. 2 schematically illustrates a structural schematic diagram of a low-voltage drawer cabinet system internal monitoring system according to an embodiment of the present application.
Fig. 3 schematically illustrates a structural schematic view of a dynamic static contact head of a low voltage drawer cabinet system internal monitoring system according to an embodiment of the present application.
Wherein: 1. a cabinet portion; 2. a drawer part; 3. a dynamic static contact head; 4. a movable contact part; 5. a chute; 6. a first magnet; 7. a second magnet; 8. an L-shaped plate; 9. fixing the bolt; 10. mounting an auxiliary plate; 11. static contact; 12. an elastic connection portion; 13. a round bar; 14. a cylinder; 15. a triangular groove; 16. a rear monitoring cabinet component; 17. a pressure sensor component; 18. a temperature and humidity sensor component; 19. an alarm section; 20. a wireless signal transmitting apparatus.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described in further detail with reference to the accompanying drawings and specific embodiments.
In the following description, references to "one embodiment," "an embodiment," "one example," "an example," etc., indicate that the embodiment or example so described may include a particular feature, structure, characteristic, property, element, or limitation, but every embodiment or example does not necessarily include the particular feature, structure, characteristic, property, element, or limitation. Moreover, repeated use of the phrase "in accordance with an embodiment of the present application" although it may possibly refer to the same embodiment, does not necessarily refer to the same embodiment.
Certain features that are well known to those skilled in the art have been omitted from the following description for the sake of simplicity.
According to an embodiment of the present application, there is provided a low voltage drawer cabinet system internal monitoring system, as shown in fig. 1 to 3, comprising a cabinet portion 1 and a drawer portion 2, including the cabinet portion and the drawer portion; the rear end face of cabinet body 1 is equipped with back monitoring cabinet part 16, be equipped with temperature and humidity sensor part 18, alarm part 19 and wireless signal transmission device 20 on the inside wall of back monitoring cabinet part 16, temperature and humidity sensor part 18's detection probe stretches into inside cabinet body 1 the inside both ends of cabinet body 1 are equipped with a dynamic static contact portion 3 respectively, the front end both sides of drawer portion 2 are equipped with a triangular groove 15 respectively.
According to an embodiment of the application, the movable contact part 4 is respectively arranged inside the triangular groove 15 of the internal monitoring system of the low-voltage drawer cabinet system, the dynamic static contact part 3 comprises an L-shaped plate 8 and a static contact 11, the static contact 11 is connected with the L-shaped plate 8 through an elastic connecting part 12, two sides of the L-shaped plate 8 are respectively provided with an installation auxiliary plate 10, and the installation auxiliary plates 10 are respectively inserted with a fixing bolt 9.
According to an embodiment of the application, two side top corners of the cabinet body 1 of the internal monitoring system of the low-voltage drawer cabinet system are respectively provided with an opening for inserting the dynamic static contact part 3, and two sides of the opening are respectively provided with a screw hole for inserting the fixing bolt 9.
According to one embodiment of the present application, the front end of the cabinet body 1 of the internal monitoring system of the low-voltage drawer cabinet system is provided with an opening for inserting the drawer 2.
According to one embodiment of the present application, the cabinet body 1 of the internal monitoring system of the low-voltage drawer cabinet system is provided with a sliding groove 5 inside, and the bottom of the drawer 2 is provided with a sliding block sliding along the sliding groove 5.
According to one embodiment of the present application, the outer side end face of the cabinet body 1 of the internal monitoring system of the low-voltage drawer cabinet system is provided with a first magnet 6, and the bottom of the outer side end face of the drawer 2 is provided with a second magnet 7.
According to an embodiment of the present application, the dynamic static contact head of the internal monitoring system of the low-voltage drawer cabinet system further includes a cylinder 14 connected to the L-shaped plate 8 and a round rod 13 connected to an inner end surface of the static contact 11, and the round rod 13 is inserted into the cylinder 14.
According to an embodiment of the present application, the elastic connection portion 12 of the internal monitoring system of the low voltage drawer cabinet system is made of an elastic conductive material.
According to an embodiment of the application, a dynamic static contact part 3 of the internal monitoring system of the low-voltage drawer cabinet system is provided with a pressure sensor part 17, and the pressure sensor part 17 and the temperature and humidity sensor part 18 are electrically connected with the alarm part 19 and the wireless signal transmitting device 20.
According to an embodiment of the present application, the internal monitoring method of the low-voltage drawer cabinet system includes the following steps:
s1: a dynamic static contact head part 3 is arranged on the drawer part 2, and a pressure sensor part 17 is arranged on the dynamic static contact head part 3;
s2: a temperature and humidity sensor part 18, an alarm part 19 and a wireless signal transmitting device 20 are arranged in the cabinet body 1;
s3: a pressure sensor part 17 and a temperature and humidity sensor part 18 are used for monitoring the internal condition of the cabinet body part 1 and sending monitoring information to an alarm part 19 and a wireless signal sending device 20;
s4: the wireless signal transmitting device 20 transmits the received information to the monitoring terminal;
s5: the monitoring terminal sends the data of the cable joint sensor of the switch cabinet of the power distribution network to the wireless signal sending device 20;
s6: preprocessing the sensor data;
s7: analyzing the operation state of the cable joint of the switch cabinet on the preprocessed sensor data to obtain a state analysis result;
s8: according to the state analysis result, the abnormal judgment is carried out on the operation state of the switch cabinet cable joint, the alarm is given through the alarm part 19, and meanwhile, the wireless signal sending device 20 sends alarm information to the monitoring terminal.
According to one embodiment of the application, when the internal monitoring system of the low-voltage drawer cabinet system is used, the movable contact part 4 is contacted with the fixed contact 11 after the drawer part 2 is pushed into the cabinet body part 1, meanwhile, the fixed contact 11 is compressed by the backward pressing elastic connecting part 12, when the drawer part 2 is pulled out, the elastic connecting part 12 pushes the fixed contact 11 outwards until the fixed contact 11 is separated from the movable contact part 4, meanwhile, the design of the round rod 13 and the cylinder 14 can ensure that the motion track of the static contact 11 is constant and controllable, meanwhile, the dynamic static contact head part 3 and the cabinet body part 1 are connected by a fixing bolt 9 and can be detached and replaced at any time, the first magnet 6 and the second magnet 7 are designed as shown in figure 2, the drawer part 2 can be fixed by the magnetic force after being pushed into the cabinet body 1, the drawer part 2 is prevented from being accidentally ejected, and a handle can be arranged outside the drawer part 2.
According to an embodiment of the application, the internal monitoring system of the low-voltage drawer cabinet system can be used for monitoring whether the drawer of the low-voltage drawer cabinet is successfully reset or not and continuously monitoring the temperature and humidity inside the cabinet body 1 by arranging the pressure sensor part 17, the temperature and humidity sensor part 18, the alarm part 19 and the wireless signal sending device 20, and meanwhile, alarming can be carried out when abnormal conditions occur and information is sent to the remote monitoring terminal to realize remote monitoring. By arranging the dynamic static contact part 3 in the cabinet body part 1 and arranging the static contact 11 and the elastic connection part 12 on the dynamic static contact part 3, the contact position of the static contact 11 and the movable contact part 4 can be changed from an original fixed point to a distance, namely, the movement track of the static contact 11 after the elastic connection part 12 is pressed, so that the condition that the static contact and the movable contact are in poor contact due to small amount of deformation of the low-voltage drawer cabinet can be avoided.
The above-mentioned embodiments only show some embodiments of the present invention, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the claims.
Claims (2)
1. The utility model provides an inside monitored control system of low pressure drawer cabinet system which characterized in that: comprises a cabinet body part and a drawer part;
a rear monitoring cabinet part is arranged on the rear end face of the cabinet body, a temperature and humidity sensor part, an alarm part and a wireless signal sending device are arranged on the inner side wall of the rear monitoring cabinet part, and a detection probe of the temperature and humidity sensor part extends into the cabinet body;
two dynamic static contact heads are respectively arranged at two ends of the interior of the cabinet body part, and two triangular grooves are respectively arranged at two sides of the front end of the drawer part;
the movable contact part is arranged in each triangular groove, each dynamic static contact part comprises an L-shaped plate and a static contact, each static contact is connected with the L-shaped plate through an elastic connecting part, two mounting auxiliary plates are arranged on two sides of each L-shaped plate respectively, and each mounting auxiliary plate is inserted with a fixing bolt;
openings for inserting the dynamic static contact head parts are respectively arranged at the top corners of the two sides of the cabinet body part, and screw holes for inserting the fixing bolts are respectively arranged at the two sides of the openings;
the front end of the cabinet body part 1 is provided with an opening for inserting the drawer part;
a sliding groove is formed in the cabinet body, and a sliding block sliding along the sliding groove is arranged at the bottom of the drawer part;
a first magnet is arranged on the outer side end face of the cabinet body part, and a second magnet is arranged at the bottom of the outer side end face of the drawer part;
the dynamic static contact head part also comprises a cylinder connected with the L-shaped plate and a round rod connected with the end surface of the inner side of the static contact, and the round rod is inserted into the cylinder;
the elastic connecting part is made of elastic conductive materials;
and the dynamic static contact part is respectively provided with a pressure sensor part, and the pressure sensor part and the temperature and humidity sensor part are electrically connected with the alarm part and the wireless signal transmitting device.
2. A method for monitoring the interior of a low-voltage drawer cabinet system is characterized by comprising the following steps:
s1: arranging a dynamic static contact head part on the drawer part, and arranging a pressure sensor part on the dynamic static contact head part;
s2: a temperature and humidity sensor part, an alarm part and a wireless signal transmitting device 20 are arranged in the cabinet body;
s3: monitoring the internal condition of the cabinet body by using the pressure sensor part and the temperature and humidity sensor part and transmitting monitoring information to the alarm part and the wireless signal transmitting device;
s4: the wireless signal transmitting device transmits the received information to the monitoring terminal;
s5: the monitoring terminal sends the data of the cable joint sensor of the switch cabinet of the power distribution network to the wireless signal sending device;
s6: preprocessing the sensor data;
s7: analyzing the operation state of the cable joint of the switch cabinet on the preprocessed sensor data to obtain a state analysis result;
s8: and according to the state analysis result, the operating state of the cable joint of the switch cabinet is judged abnormally, an alarm is given out through an alarm part, and meanwhile, the wireless signal sending device sends alarm information to the monitoring terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010430539.6A CN111786287A (en) | 2020-05-20 | 2020-05-20 | Internal monitoring system and monitoring method for low-voltage drawer cabinet system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010430539.6A CN111786287A (en) | 2020-05-20 | 2020-05-20 | Internal monitoring system and monitoring method for low-voltage drawer cabinet system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111786287A true CN111786287A (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010430539.6A Pending CN111786287A (en) | 2020-05-20 | 2020-05-20 | Internal monitoring system and monitoring method for low-voltage drawer cabinet system |
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| CN (1) | CN111786287A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204760845U (en) * | 2015-06-07 | 2015-11-11 | 镇江默勒电器有限公司 | Three position sigual's of feedback exhaust smoke control circuit |
| CN205509356U (en) * | 2016-04-06 | 2016-08-24 | 广东紫光电气有限公司 | Intelligence MNS low pressure pull -out type cubical switchboard |
| CN205985919U (en) * | 2016-08-03 | 2017-02-22 | 江苏华世远电力技术有限公司 | Low pressure drawer electric chassis vehicle for cabinet |
| CN207490360U (en) * | 2017-11-17 | 2018-06-12 | 广东易正电气股份有限公司 | A kind of low-voltage distribution cabinet |
| CN208142535U (en) * | 2018-01-12 | 2018-11-23 | 张翌欣 | A kind of transformer substation grounding wire intelligent management system |
-
2020
- 2020-05-20 CN CN202010430539.6A patent/CN111786287A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204760845U (en) * | 2015-06-07 | 2015-11-11 | 镇江默勒电器有限公司 | Three position sigual's of feedback exhaust smoke control circuit |
| CN205509356U (en) * | 2016-04-06 | 2016-08-24 | 广东紫光电气有限公司 | Intelligence MNS low pressure pull -out type cubical switchboard |
| CN205985919U (en) * | 2016-08-03 | 2017-02-22 | 江苏华世远电力技术有限公司 | Low pressure drawer electric chassis vehicle for cabinet |
| CN207490360U (en) * | 2017-11-17 | 2018-06-12 | 广东易正电气股份有限公司 | A kind of low-voltage distribution cabinet |
| CN208142535U (en) * | 2018-01-12 | 2018-11-23 | 张翌欣 | A kind of transformer substation grounding wire intelligent management system |
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Application publication date: 20201016 |
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| RJ01 | Rejection of invention patent application after publication |