CN203522208U - Spring-tube type capillary temperature and pressure meter - Google Patents
Spring-tube type capillary temperature and pressure meter Download PDFInfo
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- CN203522208U CN203522208U CN201320432306.5U CN201320432306U CN203522208U CN 203522208 U CN203522208 U CN 203522208U CN 201320432306 U CN201320432306 U CN 201320432306U CN 203522208 U CN203522208 U CN 203522208U
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- module
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- phase
- extension controller
- temperature
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- 238000004891 communication Methods 0.000 claims description 27
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 239000010946 fine silver Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 7
- 229910052802 copper Inorganic materials 0.000 abstract 7
- 239000010949 copper Substances 0.000 abstract 7
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
-
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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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
- 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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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to a spring-tube type capillary temperature and pressure meter, which comprises a case, a dial plate, a pressure pointer, a temperature pointer, a pressure spring tube, a copper connector, a movement, a temperature spring tube and a temperature capillary, wherein a base of the case is provided with a through hole for a pressure capillary to pass through. The spring-tube type capillary temperature and pressure meter is characterized in that the base is provided with a copper base, the copper base is provided with a guide hole corresponding to through hole, one end of the pressure capillary is arranged on the guide hole of the copper base, the other end stretches out of the base of the case and is connected with the copper connector, one end of the pressure spring tube is arranged on the guide hole of the copper base, and the other end is connected with the movement; and one end of the temperature capillary is connected with the temperature spring tube, and the temperature capillary is wound below the copper base and stretches out of the bottom part of the case after being fixed by a screw. The spring-tube type capillary temperature and pressure meter is simple in structure and firm and convenient in installation, and a plurality of assemblies are installed in the case without a plurality of screw and a plurality of procedures, thereby greatly improving the accuracy and the stability of measurement.
Description
Technical field
The utility model relates to a kind of Distribution Network Load Data intelligent optimization device, is specifically related to the uneven automatic regulating apparatus of a kind of low voltage electric network three-phase load.
Background technology
In low voltage electric network, because of features such as power consumer electricity consumption are seasonal and period, cause three-phase load degree of unbalance to exceed standard.Major effect Yi Shi supply line loss increases, and the numerical value that line loss increases becomes with electric current square to be directly proportional; The 2nd, transformer produces additional iron losses, and temperature rises, and noise increases; The 3rd, when neutral current is excessive, cause overheated the blowing such as contact, can burn out subscriber equipment.At present, the basic means that solves low voltage electric network three-phase imbalance is that application has a power failure, by artificial means, the certain customers of the larger load phase of tape splicing in A, B, C three-phase being adjusted to another goes up mutually, to reach balance object, but there are a lot of drawbacks in this method, as many in user's frequency of power cut and the time is long, switchable load relatively blindly etc., affect power supply reliability and good service level, be difficult to meet actual adjustment demand.
Summary of the invention
The purpose of this utility model is to provide a kind of low voltage electric network under power-off condition not, completes the uneven monitoring automatically of three-phase load, adjusts, and within three-phase load degree of unbalance can being controlled to setting range, has saved a large amount of human and material resources.This device has fast, the ageing feature such as good of action simultaneously, does not affect to customer power supply quality, and the normal even running of the capital equipment such as illumination and computer, air-conditioning in handoff procedure, meets the uneven adjustment technology requirement of low voltage electric network three-phase load.
For achieving the above object, the technical scheme that the utility model adopts is:
A low-voltage distribution network three-phase imbalance intelligent regulating device, comprises main frame and extension controller, it is characterized in that: main frame comprises acquisition module, main control module, storage module and wireless communication module;
Acquisition module is used for gathering electric current and the voltage data that extension controller is measured, and the signal collecting is sent to main control module;
Main control module is used for analyzing and statistics platform district low pressure head end three-phase load degree of unbalance, when degree of unbalance is greater than set point, start and calculate underload electric current and three-phase load average current difference, and gather immediately the load condition of each extension controller, find the extension controller of the high load capacity phase close with difference, and send control command;
Storage module is used for storing electric current and the voltage data that acquisition module gathers, and the degree of unbalance data of main control module acquisition;
Wireless communication module is used for receiving electric current and the voltage data that extension controller detects, and the control command that main control module is sent is transferred to extension controller;
Extension controller comprises measuring unit, radio communication unit and control switch;
Measuring unit is used for measuring electric current and voltage data;
Radio communication unit is used for sending electric current that measuring unit measures and voltage data to wireless communication module, and receives the control command that the main control module of wireless communication module transmission sends;
Control switch is used for carrying out the control command that main control module sends, and switch is realized closed by trigger equipment.
As further optimization, described extension controller control switch has arc control device; Described extension controller adopts " three-phase input one output mutually " pattern, and the control switch of extension controller is divided into A phase switch, B phase switch, C phase switch and four parts of outlet switch; The contact of described extension controller control switch adopts fine silver material; Described main frame also comprises output module and display screen, and the data that output module stores storage module export display screen to; Between the wireless communication module of described main frame and the radio communication unit of extension controller, adopt MANET segmented frequency hopping wireless communication modes to be connected; Between described A phase, B phase, C phase switch, by the judgement of master controller logical relation, switch self auxiliary contact or voltage detecting, realize locking.
The utility model has the advantages that: the utility model adopts combined type module, and volume is little, easy for installation; Drop-out current is large, can switch 100A and load above; Good reliability, by three kinds of closedown modes, can prevent that load from switching short circuit between three phase mains; Adopt the communication of MANET frequency hopping wireless, strong interference immunity, decays little, saves communication fee; Meanwhile, this device, under power-off condition not, is realized low voltage electric network three-phase imbalance and is automatically adjusted, and improves power supply reliability, promotes good service level, and the labour intensity that reduces a staff reduces distribution transforming line loss.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment device connection layout.
Embodiment
Below in conjunction with accompanying drawing and enforcement, the utility model is further illustrated.
The utility model comprises main frame and extension controller, main frame comprises acquisition module, main control module, storage module and wireless communication module, acquisition module is used for gathering electric current and the voltage data that extension controller is measured, and the signal collecting is sent to main control module;
Main control module is used for analyzing and statistics platform district low pressure head end three-phase load degree of unbalance, when degree of unbalance is greater than set point, start and calculate underload electric current and three-phase load average current difference, and gather immediately the load condition of each extension controller, find the extension controller of the high load capacity phase close with difference, and send control command;
Storage module is used for storing electric current and the voltage data that acquisition module gathers, and the degree of unbalance data of main control module acquisition;
Wireless communication module is used for receiving electric current and the voltage data that extension controller detects, and the control command that main control module is sent is transferred to extension controller;
Extension controller comprises measuring unit, radio communication unit and control switch, and measuring unit is used for measuring electric current and voltage data;
Radio communication unit is used for sending electric current that measuring unit measures and voltage data to wireless communication module, and receives the control command that the main control module of wireless communication module transmission sends;
Control switch is used for carrying out the control command that main control module sends, and switch is realized closed by trigger equipment;
Between the wireless communication module of main frame and the radio communication unit of extension controller, adopt MANET segmented frequency hopping wireless communication modes.Extension controller adopts " three-phase input one output mutually " pattern, the control switch of extension controller is divided into four parts, is respectively A phase, B phase, C phase and outlet switch, and each switch has independently arc control device, contact adopts fine silver material, and switch is realized closed by trigger equipment.Between A phase, B phase, C phase switch, mainly by three kinds of modes such as the judgement of master controller logical relation, auxiliary contact and voltage detecting, realize locking.
Claims (5)
1. a low-voltage distribution network three-phase imbalance intelligent regulating device, comprises main frame and extension controller, it is characterized in that: main frame comprises acquisition module, main control module, storage module and wireless communication module;
Acquisition module is used for gathering electric current and the voltage data that extension controller is measured, and the signal collecting is sent to main control module;
Main control module gathers the load condition of each extension controller, and sends control command;
Storage module is used for storing electric current and the voltage data that acquisition module gathers, and the degree of unbalance data of main control module acquisition;
Wireless communication module;
Extension controller comprises measuring unit, radio communication unit and control switch;
Measuring unit is used for measuring electric current and voltage data;
Radio communication unit;
Control switch is used for carrying out the control command that main control module sends, and switch is realized closed by trigger equipment,
Wireless communication module adopts MANET segmented frequency hopping wireless communication modes to be connected with radio communication unit.
2. low-voltage distribution network three-phase imbalance intelligent regulating device as claimed in claim 1, is characterized in that: described extension controller control switch has arc control device.
3. low-voltage distribution network three-phase imbalance intelligent regulating device as claimed in claim 1 or 2, it is characterized in that: described extension controller adopts " three-phase input one output mutually " pattern, and the control switch of extension controller is divided into A phase switch, B phase switch, C phase switch and four parts of outlet switch.
4. low-voltage distribution network three-phase imbalance intelligent regulating device as claimed in claim 1 or 2, is characterized in that: the contact of described extension controller control switch adopts fine silver material.
5. low-voltage distribution network three-phase imbalance intelligent regulating device as claimed in claim 1 or 2, is characterized in that: described main frame also comprises output module and display screen, and the data that output module stores storage module export display screen to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320432306.5U CN203522208U (en) | 2013-07-20 | 2013-07-20 | Spring-tube type capillary temperature and pressure meter |
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Application Number | Priority Date | Filing Date | Title |
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CN201320432306.5U CN203522208U (en) | 2013-07-20 | 2013-07-20 | Spring-tube type capillary temperature and pressure meter |
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CN203522208U true CN203522208U (en) | 2014-04-02 |
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CN201320432306.5U Expired - Fee Related CN203522208U (en) | 2013-07-20 | 2013-07-20 | Spring-tube type capillary temperature and pressure meter |
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CN (1) | CN203522208U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105117854A (en) * | 2015-09-07 | 2015-12-02 | 国家电网公司 | Transformer area low-voltage single-phase line loss management system and method |
CN105375498A (en) * | 2014-08-28 | 2016-03-02 | 国网甘肃省电力公司 | Three-phase phase-change switch device |
-
2013
- 2013-07-20 CN CN201320432306.5U patent/CN203522208U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105375498A (en) * | 2014-08-28 | 2016-03-02 | 国网甘肃省电力公司 | Three-phase phase-change switch device |
CN105117854A (en) * | 2015-09-07 | 2015-12-02 | 国家电网公司 | Transformer area low-voltage single-phase line loss management system and method |
CN105117854B (en) * | 2015-09-07 | 2018-08-31 | 国家电网公司 | A kind of taiwan area low pressure split-phase line loss management system of local electric network and method |
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Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20170720 |