CN115459424A - High-safety direct-current double-circuit power supply system - Google Patents
High-safety direct-current double-circuit power supply system Download PDFInfo
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- CN115459424A CN115459424A CN202211181153.1A CN202211181153A CN115459424A CN 115459424 A CN115459424 A CN 115459424A CN 202211181153 A CN202211181153 A CN 202211181153A CN 115459424 A CN115459424 A CN 115459424A
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- 238000012423 maintenance Methods 0.000 abstract description 6
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- 230000006872 improvement Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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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
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Abstract
The high-safety direct-current double-path power supply system comprises an incoming line, a main circuit ammeter, a master control system, a switching power supply, a large-scale power storage device, a direct-current switch, a direct-current transformer, a direct-current ammeter, a direct-current branch control, a test module, a manual switch, a direct-current interface, a small-scale power storage device and an emergency light source; the invention is convenient for maintenance and fault removal, and reduces the damage of electric appliances and circuits.
Description
Technical Field
The text belongs to the technical field of direct current double-circuit power supply systems, and particularly relates to a high-safety direct current double-circuit power supply system.
Background
The current direct current power supply system uses manual control mostly, when circuit or electrical apparatus damage, the user can not find the problem, under the condition of unable in time maintenance, there is the condition of compulsory power consumption (for example replace the fuse into the copper line, short-circuit protection switch, force closed protector repeatedly), there is the space of improvement, if there is a system can the state of each power consumption interface of immediate response, then be favorable to troubleshooting circuit, also be favorable to finding out the problem electrical apparatus, reduce because the damage of a certain electrical apparatus and lead to the emergence of the local or comprehensive paralysed condition of circuit.
Disclosure of Invention
The high-safety direct-current double-path power supply system comprises an incoming line, a main circuit ammeter, a master control system, a switching power supply, a large-scale power storage device, a direct-current switch, a direct-current transformer, a direct-current ammeter, a direct-current branch control, a test module, a manual switch, a direct-current interface, a small-scale power storage device and an emergency light source; the output end of the main circuit ammeter is electrically connected with the input end of the switching power supply for transmitting alternating current electric energy; the large-scale electricity storage device is electrically connected with the output end of the switching power supply for transmitting direct current electric energy, and the direct current electric energy output by the output end of the switching power supply can be stored in the large-scale electricity storage device; the input end of the direct current switch is electrically connected with the large-scale electricity storage device for transmitting direct current electric energy, and the large-scale electricity storage device can transmit the electric energy to the input end of the direct current switch; the input end of the direct current switch is electrically connected with the output end of the switching power supply for transmitting direct current electric energy, and the switching power supply can transmit the electric energy to the input end of the direct current switch; the output end of the direct current switch is electrically connected with the input end of the direct current transformer for transmitting direct current electric energy; the input end of the direct current ammeter is electrically connected with the output end of the direct current transformer for transmitting direct current electric energy; an electrical connection for transmitting direct current electric energy is arranged between the output end of the direct current ammeter and the direct current interface and is connected with the direct current interface through a manual switch, and the manual switch can control the on-off of the electrical connection between the direct current ammeter and the direct current interface; the direct current branch control can transmit data to the master control system, and the master control system can control the action of the direct current branch control; the direct current branch control and the direct current switch are electrically connected for transmitting a control signal, and the direct current branch control can control the on-off of an electric energy path of the direct current switch; the direct current branch control can obtain data reflecting the current magnitude of the direct current branch acquired by the direct current ammeter through the electrical connection between the direct current branch control and the direct current ammeter; the testing module is electrically connected with the direct current interface through a manual switch for transmitting a testing signal for testing the state of the direct current electric appliance, and the manual switch can control the on-off of the electrical connection between the testing module and the direct current interface; the test module is electrically connected with the direct current branch control for transmitting the test result and the control signal, the direct current branch control can obtain data reflecting the test result through the test module, the direct current branch control can control the test action of the test module,
the direct current interface can be used for electrical connection of a direct current electric appliance; the output end of the direct current interface is electrically connected with the small-sized power storage device for transmitting direct current electric energy, the direct current electric energy output by the direct current interface can be stored in the small-sized power storage device,
the input end of the emergency light source is electrically connected with the direct current interface for transmitting direct current electric energy; the input end of the emergency light source is electrically connected with the small-sized power storage device for transmitting direct current electric energy, the emergency light source can obtain the electric energy from the small-sized power storage device,
the direct current branch control can obtain a signal reflecting the on-off state of the manual switch; the manual switch is provided with two independent switch branches, one switch branch of the manual switch is used for controlling the on-off of the electrical connection between the output of the direct current electric meter and the direct current interface, the other branch of the manual switch is used for controlling the on-off of the electrical connection between the test module and the direct current interface,
the master control system is provided with a computer,
the test module can test the load attribute of the direct current electric appliance at the tail end of the branch where the test module is positioned,
the test module can test the load attribute and the attribute data of the direct current electric appliance at the tail end of the branch,
in addition to having all the characteristics of the technical scheme of claim 1, the device also has a mobile control end; the mobile control end can carry out data transmission with the master control system through radio, the master control system receives the operation control of the mobile control end,
the data transmission between the mobile control terminal and the AC branch control uses encrypted communication,
the control authority of the mobile control end to the system master control is higher than the authority of an automatic control program contained in the system master control,
has the advantages that:
the system is convenient to maintain, and particularly, the direct current branch control in the system can acquire switch information when the manual switch is disconnected during maintenance and fault removal, and the direct current branch control can disconnect the direct current switch; the system can also be used as a universal meter to assist maintenance personnel to maintain quickly, the mobile control end controls the master control system, and then the master control system controls the direct current branch control switch to be switched off and the test module to be switched on.
The invention is convenient for maintenance and fault removal, and reduces the damage of electric appliances and circuits.
Drawings
Fig. 1 is a flow chart of a high-safety direct-current double-circuit power supply system.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
As shown in fig. 1;
a high-safety direct-current double-path power supply system comprises an incoming line, a main circuit ammeter, a master control system, a switching power supply, a large-scale power storage device, a direct-current switch, a direct-current transformer, a direct-current ammeter, a direct-current branch control module, a test module, a manual switch, a direct-current interface, a small-scale power storage device and an emergency light source; the output end of the main circuit ammeter is electrically connected with the input end of the switching power supply for transmitting alternating current electric energy; the large-scale electricity storage device is electrically connected with the output end of the switching power supply for transmitting direct current electric energy, and the direct current electric energy output by the output end of the switching power supply can be stored in the large-scale electricity storage device; the input end of the direct current switch is electrically connected with the large-scale electricity storage device for transmitting direct current electric energy, and the large-scale electricity storage device can transmit the electric energy to the input end of the direct current switch; the input end of the direct current switch is electrically connected with the output end of the switching power supply for transmitting direct current electric energy, and the switching power supply can transmit the electric energy to the input end of the direct current switch; the output end of the direct current switch is electrically connected with the input end of the direct current transformer for transmitting direct current electric energy; the input end of the direct current ammeter is electrically connected with the output end of the direct current transformer for transmitting direct current electric energy; the output end of the direct current ammeter is electrically connected with the direct current interface through a manual switch for transmitting direct current electric energy, and the manual switch can control the on-off of the electrical connection between the direct current ammeter and the direct current interface; the direct current branch control system can transmit data to the master control system, and the master control system can control the action of the direct current branch control system; the direct current branch control can control the on-off of an electric energy path of the direct current switch; the direct current branch control can obtain data reflecting the current magnitude of the direct current branch acquired by the direct current ammeter through the electrical connection between the direct current branch control and the direct current ammeter; the testing module is electrically connected with the direct current interface through a manual switch for transmitting a testing signal for testing the state of the direct current electric appliance, and the manual switch can control the on-off of the electrical connection between the testing module and the direct current interface; the test module is electrically connected with the direct current branch control for transmitting the test result and the control signal, the direct current branch control can obtain data reflecting the test result through the test module, the direct current branch control can control the test action of the test module,
the direct current interface can be used for electrical connection of a direct current electric appliance; the output end of the direct current interface is electrically connected with the small-sized power storage device for transmitting direct current electric energy, the direct current electric energy output by the direct current interface can be stored in the small-sized power storage device, and the input end of the emergency light source is electrically connected with the direct current interface for transmitting the direct current electric energy; the input end of the emergency light source is electrically connected with the small-sized power storage device for transmitting direct current electric energy, the emergency light source can obtain the electric energy from the small-sized power storage device, the manual switch is electrically connected with the direct current branch control for transmitting on-off state signals of the manual switch, and the direct current branch control can obtain signals reflecting the on-off state of the manual switch; the manual switch is provided with two independent switch branches, one switch branch of the manual switch is used for controlling the on-off of the electrical connection between the output of the direct current electric meter and the direct current interface, the other branch of the manual switch is used for controlling the on-off of the electrical connection between the test module and the direct current interface, the master control system is provided with a computer, the test module can test the load attribute of the direct current electric appliance at the tail end of the branch, the test module can test the load attribute and the attribute data of the direct current electric appliance at the tail end of the branch, and the master control system is further provided with a mobile control end besides all the characteristics of the technical scheme of claim 1; the mobile control end can carry out data transmission with the master control system through radio, the master control system receives operation control of the mobile control end, data transmission between the mobile control end and the alternating current branch control uses encryption communication, and the control authority of the mobile control end to the system master control is higher than that of an automatic control program contained in the system master control.
An implementation example;
the direct current branch control in the system can obtain switch information when the manual switch is disconnected during maintenance and fault removal, and can disconnect the direct current switch.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (10)
1. A high-safety direct-current double-path power supply system is characterized by comprising an incoming line, a main circuit ammeter, a master control system, a switching power supply, a large-scale power storage device, a direct-current switch, a direct-current transformer, a direct-current ammeter, a direct-current branch control, a test module, a manual switch, a direct-current interface, a small-scale power storage device and an emergency light source; the output end of the main circuit ammeter is electrically connected with the input end of the switching power supply for transmitting alternating current electric energy; the large-scale electricity storage device is electrically connected with the output end of the switching power supply for transmitting direct current electric energy, and the direct current electric energy output by the output end of the switching power supply can be stored in the large-scale electricity storage device; the input end of the direct current switch is electrically connected with the large-scale electricity storage device for transmitting direct current electric energy, and the large-scale electricity storage device can transmit the electric energy to the input end of the direct current switch; the input end of the direct current switch is electrically connected with the output end of the switching power supply for transmitting direct current electric energy, and the switching power supply can transmit the electric energy to the input end of the direct current switch; the output end of the direct current switch is electrically connected with the input end of the direct current transformer for transmitting direct current electric energy; the input end of the direct current ammeter is electrically connected with the output end of the direct current transformer for transmitting direct current electric energy; the output end of the direct current ammeter is electrically connected with the direct current interface through a manual switch for transmitting direct current electric energy, and the manual switch can control the on-off of the electrical connection between the direct current ammeter and the direct current interface; the direct current branch control can transmit data to the master control system, and the master control system can control the action of the direct current branch control; the direct current branch control and the direct current switch are electrically connected for transmitting a control signal, and the direct current branch control can control the on-off of an electric energy path of the direct current switch; the direct current branch control can obtain data reflecting the current magnitude of the direct current branch acquired by the direct current ammeter through the electrical connection between the direct current branch control and the direct current ammeter; the testing module is electrically connected with the direct current interface through a manual switch for transmitting a testing signal for testing the state of the direct current electric appliance, and the manual switch can control the on-off of the electrical connection between the testing module and the direct current interface; the test module is electrically connected with the direct current branch control for transmitting the test result and the control signal, the direct current branch control can obtain data reflecting the test result through the test module, and the direct current branch control can control the test action of the test module.
2. The system according to claim 1, wherein the dc interface is adapted for electrical connection of a dc consumer; the output end of the direct current interface is electrically connected with the small-sized power storage device for transmitting direct current electric energy, and the direct current electric energy output by the direct current interface can be stored in the small-sized power storage device.
3. The system according to claim 1, wherein an electrical connection for transmitting dc electrical energy is provided between the input terminal of the emergency light source and the dc interface; the input end of the emergency light source is electrically connected with the small-sized power storage device for transmitting direct current electric energy, and the emergency light source can obtain the electric energy from the small-sized power storage device.
4. The high-safety direct-current double-path power supply system according to claim 1, wherein an electrical connection for transmitting an on-off state signal of the manual switch is provided between the manual switch and the direct-current branch control, and the direct-current branch control can obtain a signal representing the on-off state of the manual switch; the manual switch is provided with two independent switch branches, one switch branch of the manual switch is used for controlling the on-off of the electrical connection between the output of the direct current electric meter and the direct current interface, and the other branch of the manual switch is used for controlling the on-off of the electrical connection between the test module and the direct current interface.
5. The system according to claim 1, wherein the general control system comprises a computer.
6. The system according to claim 1, wherein the test module is capable of testing the load properties of the dc electrical appliances at the ends of the branches.
7. The high-safety direct-current double-circuit power supply system according to claim 1, wherein the test module is capable of testing the load attribute and the attribute data of the direct-current electrical appliance at the tail end of the branch where the test module is located.
8. A high safety dc two-way power supply system according to claim 1, characterized in that it has a mobile control terminal, in addition to all the features of the solution of claim 1; the mobile control end can transmit data with the master control system through radio, and the master control system receives operation control of the mobile control end.
9. The system according to claim 1, wherein the data transmission between the mobile control terminal and the ac branch control terminal uses encrypted communication.
10. The high-safety direct-current double-circuit power supply system according to claim 1, wherein the control authority of the mobile control end on the system master control is higher than the authority of an automatic control program contained in the system master control.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211181153.1A CN115459424A (en) | 2022-09-27 | 2022-09-27 | High-safety direct-current double-circuit power supply system |
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| CN202211181153.1A CN115459424A (en) | 2022-09-27 | 2022-09-27 | High-safety direct-current double-circuit power supply system |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816873A (en) * | 2015-12-01 | 2017-06-09 | 玖星控股有限公司 | A kind of indoor AC-DC two-way electric power system |
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- 2022-09-27 CN CN202211181153.1A patent/CN115459424A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816873A (en) * | 2015-12-01 | 2017-06-09 | 玖星控股有限公司 | A kind of indoor AC-DC two-way electric power system |
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