CN107276217B - Combined junction box for collecting electric quantity of dual power supply - Google Patents
Combined junction box for collecting electric quantity of dual power supply Download PDFInfo
- Publication number
- CN107276217B CN107276217B CN201710668828.8A CN201710668828A CN107276217B CN 107276217 B CN107276217 B CN 107276217B CN 201710668828 A CN201710668828 A CN 201710668828A CN 107276217 B CN107276217 B CN 107276217B
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- China
- Prior art keywords
- relay
- power supply
- electrically connected
- electric quantity
- power
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- 230000009977 dual effect Effects 0.000 title claims description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/04—Circuit arrangements for ac mains or ac distribution networks for connecting networks of the same frequency but supplied from different sources
- H02J3/08—Synchronising of 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a combined junction box for collecting double-power electric quantity, wherein one double-power circuit is a main power circuit, the other double-power circuit is a standby power circuit, the combined junction box is electrically connected between the two circuits, the combined junction box is electrically connected with two electric quantity collection modules, and the two electric quantity collection modules are respectively and bidirectionally electrically connected with two special transformer terminals. The invention has simple structure, the combined junction box can control the relay to output as a main power supply or a standby power supply through the arrangement of the relay, then judge whether the main power supply or the standby power supply is powered, and can respectively collect the electric quantity of the double power supplies through the two electric quantity collection modules and upload the electric quantity to the special transformer terminal.
Description
Technical Field
The invention relates to the technical field of electricians, in particular to a combined junction box for collecting electric quantity of dual power supplies.
Background
With the rapid progress of the development of science and technology, the use of electric energy plays a vital role in the modernization process. In the modern technology, the junction box is one of electrician auxiliary materials, and the junction box is used as a transition when the wire pipe is required to turn, so that the effect of protecting the wire and connecting the wire is achieved, and the junction box is too simple in effect.
Disclosure of Invention
The invention aims to provide a combined junction box for collecting electric quantity of double power supplies, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a dual supply electrical power harvesting joint junction box comprising:
the system comprises two circuits, wherein one circuit is a main power circuit, the other circuit is a standby power circuit, a combined junction box is electrically connected between the two circuits, the combined junction box is electrically connected with two electric quantity acquisition modules, the two electric quantity acquisition modules are respectively and bidirectionally electrically connected with two private transformer terminals, and the private transformer terminals execute uploading and downloading tasks, acquire electric meter data, upload the electric meter data to a master station, receive the master station task and download the electric meter data to an electric meter;
the combined junction box consists of one 220V relay electrically connected with the main power supply circuit and the other 220V relay electrically connected with the standby power supply circuit, one 24V relay electrically connected with the main power supply circuit and the standby power supply circuit, an MCU electrically connected with the three relays and a battery charging circuit electrically connected with the MCU and the 24V relay.
Preferably, the MCU adopts an STM32F1 chip.
Preferably, the two 220V relays are RJ1S-CL-A220, and the 24V relay is LY4-0-24VDC.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the joint junction box is electrically connected between the two lines of the main Power line and the standby Power line, whether the two 220V relays are powered by the main Power source or the standby Power source is judged by detecting whether the two 220V relay Power-T pins and the Backup-Power-T pins in the joint junction box are VCC or GND, and the 24V relays electrically connected with the main Power line and the standby Power line in the joint junction box can control the on-off of the relays so as to control the relays to output as the main Power source or the standby Power source, and further, power supply information is respectively transmitted to the two electric quantity acquisition modules, and the special transformer terminal acquires electric meter data and uploads the electric meter data to the master station.
Drawings
FIG. 1 is a schematic diagram of the front view of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the combined junction box of the present invention;
FIG. 3 is a schematic diagram of an MCU embodiment of a joint junction box;
fig. 4 is a schematic structural diagram of an embodiment of a 220V relay 1 of the junction box;
FIG. 5 is a schematic diagram of an embodiment of a 220V relay 2 of the junction box;
FIG. 6 is a schematic diagram of a 24V relay embodiment of a junction box;
fig. 7 is a schematic diagram of a battery charging circuit embodiment of the joint junction box.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the present invention provides a technical solution:
a dual supply electrical power harvesting joint junction box comprising: two lines, joint terminal box, electric quantity acquisition module and special change terminal.
The system comprises two circuits, wherein one circuit is a main power supply circuit, the other circuit is a standby power supply circuit, a joint junction box is electrically connected between the two circuits, the joint junction box is electrically connected with two electric quantity acquisition modules, the two electric quantity acquisition modules are respectively and bidirectionally electrically connected with two special transformer terminals, the two electric quantity acquisition modules can respectively acquire electric quantity service conditions of the two circuits, and the special transformer terminals execute uploading and downloading tasks, acquire electric meter data, upload the electric meter data to a main station, receive the main station task and download the electric meter data;
as shown in figure 2 of the specification, the combined junction box consists of a 220V relay 1 electrically connected with a main power line, another 220V relay 2 electrically connected with a standby power line, a 24V relay electrically connected with the main power line and the standby power line, an MCU electrically connected with the three relays and a battery charging circuit electrically connected with the MCU and the 24V relay.
As shown in the accompanying drawing 3 of the specification, the MCU adopts an STM32F1 chip, as shown in the accompanying drawing 4-5 of the specification, the STM32F1 chip is connected with the 220V relay 2 through a pin 25 and connected with the 220V relay 1 through a pin 26, and whether the main power supply or the standby power supply is judged by detecting whether the pins 25 and 26 are VCC or GND.
As shown in fig. 6 of the specification, the STM32F1 chip is connected with the 24V relay through the pin 16, four 24V relays are provided, wherein A, B, C, N switches are main Power supply inputs, backup-Power-A, backup-Power-B, backup-Power-C, backup-Power-N switches are standby Power supply inputs, and the STM32F1 chip can control on-off of the relays so as to control whether the relay outputs are the main Power supply or the standby Power supply.
As shown in figure 7 of the specification, the battery charging circuit is electrically connected with the STM32F1 chip and the 24V relay, and has the functions of preventing overcharge, overdischarge and short circuit.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
When the Power supply adopts the standby Power supply to supply Power, after passing through the 220V relay 1 and the 220V relay 2, the STM32F1 chip detects that the pin 26 is GND and the pin 25 is VCC, the standby Power supply is judged to be supplied Power, and the STM32F1 chip is normally opened by controlling the Backup-Power-A, backup-Power-B, backup-Power-C, backup-Power-N switch on the four-bar 24V relay so as to control the relay to output as the standby Power supply, so that the electric quantity information is transmitted to the electric quantity acquisition module, and the private transformer terminal uploads acquired ammeter data to the master station.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a joint terminal box that dual supply electric quantity gathered which characterized in that includes:
the system comprises two circuits, wherein one circuit is a main power circuit, the other circuit is a standby power circuit, a combined junction box is electrically connected between the two circuits, the combined junction box is electrically connected with two electric quantity acquisition modules, the two electric quantity acquisition modules are respectively and bidirectionally electrically connected with two private transformer terminals, and the private transformer terminals execute uploading and downloading tasks, acquire electric meter data, upload the electric meter data to a master station, receive the master station task and download the electric meter data to an electric meter;
the combined junction box consists of one 220V relay electrically connected with the main power supply circuit and the other 220V relay electrically connected with the standby power supply circuit, one 24V relay electrically connected with the main power supply circuit and the standby power supply circuit, an MCU electrically connected with the three relays and a battery charging circuit electrically connected with the MCU and the 24V relay;
the MCU adopts an STM32F1 chip, the STM32F1 chip is connected with the 220V relay 2 through a pin 25 and connected with the 220V relay 1 through a pin 26, and whether the power is supplied by a main power supply or a standby power supply is judged by detecting whether the pins 25 and 26 are VCC or GND;
the STM32F1 chip is connected with the 24V relay through the pin 16, the 24V relay is provided with four groups of switches, wherein the A, B, C, N switch is a main Power supply input, the Backup-Power-A, backup-Power-B, backup-Power-C, backup-Power-N switch is a standby Power supply input, and the STM32F1 chip can control the on-off of the relay so as to control the relay output to be the main Power supply or the standby Power supply;
when the Power supply adopts the standby Power supply to supply Power, after passing through the 220V relay 1 and the 220V relay 2, the STM32F1 chip detects that the pin 26 is GND and the pin 25 is VCC, the standby Power supply is judged to be supplied with Power, the STM32F1 chip is normally opened by controlling a Backup-Power-A, backup-Power-B, backup-Power-C, backup-Power-N switch on the 24V relay so as to control the relay to output as the standby Power supply, so that electric quantity information is transmitted to the electric quantity acquisition module, and the acquired ammeter data is uploaded to the master station by the private transformer terminal.
2. The dual power collection joint box of claim 1, wherein: the model of the two 220V relays is RJ1S-CL-A220, and the model of the 24V relay is LY4-0-24VDC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710668828.8A CN107276217B (en) | 2017-08-08 | 2017-08-08 | Combined junction box for collecting electric quantity of dual power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710668828.8A CN107276217B (en) | 2017-08-08 | 2017-08-08 | Combined junction box for collecting electric quantity of dual power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107276217A CN107276217A (en) | 2017-10-20 |
| CN107276217B true CN107276217B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710668828.8A Active CN107276217B (en) | 2017-08-08 | 2017-08-08 | Combined junction box for collecting electric quantity of dual power supply |
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| CN (1) | CN107276217B (en) |
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| CN107276217A (en) | 2017-10-20 |
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