CN214506646U - Power-off protection system - Google Patents
Power-off protection system Download PDFInfo
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- CN214506646U CN214506646U CN202023341260.5U CN202023341260U CN214506646U CN 214506646 U CN214506646 U CN 214506646U CN 202023341260 U CN202023341260 U CN 202023341260U CN 214506646 U CN214506646 U CN 214506646U
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- power supply
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- alternating current
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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
- 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
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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
- 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
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Abstract
The utility model discloses a power-off protection system, which comprises an alternating current power supply end, a dual-power automatic converter, a standby power supply module and a load end, wherein the alternating current power supply end is used for connecting an alternating current power supply; the dual-power automatic converter is connected with the alternating current power supply end; the standby power supply module is respectively connected with the alternating current power supply end and the dual-power automatic converter, the standby power supply module comprises a UPS inverter and a storage battery, and the UPS inverter is connected with the storage battery; the load end is connected with the dual-power automatic converter; when the commercial power is accessed, the alternating current power supply end is connected to the load end through the dual-power automatic converter, and when the commercial power is disconnected, the standby power supply module is connected to the load end through the dual-power automatic converter, so that the service life of the UPS inverter can be prolonged, and the maintenance period is longer.
Description
Technical Field
The utility model relates to a circuit control technical field, in particular to power-off protection system.
Background
At present many numerical control equipment all are the lug connection commercial power, when the outage condition appeared, equipment also can receive the influence, can receive the impact of circuit even, cause the equipment damage, still can continue work in order to ensure equipment under the outage condition, current circuit protection system generally supplies power for equipment through the UPS dc-to-ac converter under the circumstances of outage, when having mains connection, the load is very big, the UPS dc-to-ac converter is in operating condition constantly, the duty cycle is long, cause certain loss to the UPS dc-to-ac converter.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a power-off protection system is favorable to prolonging the working life of UPS dc-to-ac converter, and maintenance cycle is longer.
The embodiment of the utility model provides a power-off protection system, including alternating current power end, dual power automatic transfer ware, stand-by power supply module and load end, alternating current power end is used for inserting alternating current power; the dual-power automatic converter is connected with the alternating current power supply end; the standby power supply module is respectively connected with the alternating current power supply end and the dual-power automatic converter, the standby power supply module comprises a UPS inverter and a storage battery, and the UPS inverter is connected with the storage battery; the load end is connected with the dual-power automatic converter; when the commercial power is accessed, the alternating current power supply end is connected to the load end through the dual-power automatic converter, and when the commercial power is disconnected, the standby power supply module is connected to the load end through the dual-power automatic converter.
According to the utility model provides a power-off protection system has following beneficial effect at least: the power-off protection system comprises an alternating current power supply end, a dual-power automatic converter, a standby power supply module and a load end, wherein the alternating current power supply end is connected with an alternating current power supply, the dual-power automatic converter is connected with the alternating current power supply end, the standby power supply module is connected with the dual-power automatic converter, a power circuit is detected through the dual-power automatic converter, the alternating current power supply end or the standby power supply module is controlled to supply power to a load, the standby power supply module comprises a UPS inverter and a storage battery, the UPS inverter is connected with the storage battery, when commercial power is connected, the alternating current power supply end is connected to the load end through the dual-power automatic converter, the alternating current power supply normally supplies power to the load, the standby power supply module is connected with the alternating current power supply end, the alternating current power supply can charge the storage battery at any time to store electric energy for the standby power supply module, and when the commercial power is disconnected, the standby power supply module is connected to the load end through the dual-power automatic converter, the standby power supply module supplies power to the load, the equipment is not powered off in the conversion process, the UPS inverter does not work when commercial power exists, the load rate is low, the energy-saving effect is achieved, and the service life and the maintenance period of the UPS inverter are longer.
According to some embodiments of the present invention, the dual power automatic converter comprises a first input terminal and a first output terminal, the first input terminal is connected to the ac power terminal, and the first output terminal is connected to the load terminal. The dual-power automatic converter comprises a first input end and a first output end, the first input end is connected with the alternating current power end, when the commercial power is normal, the dual-power automatic converter receives a signal of the alternating current power end, the first output end is connected with the load end, the alternating current power is input through the first input end, and is output through the first output end after passing through the dual-power automatic converter, and the load end is normally supplied with power.
According to some embodiments of the present invention, the dual power automatic converter includes a second input, the UPS inverter includes a third input and a second output, the third input with the ac power source terminal, the second output with the second input of the dual power automatic converter is connected. The dual-power automatic converter further comprises a second input end, the UPS inverter comprises a third input end and a second output end, the third input end is connected with the alternating current power supply end, the alternating current power supply is connected to the inverter through the third input end under the normal condition of the mains supply and charges the storage battery, the second output end of the UPS inverter is connected with the second input end of the dual-power automatic converter, when the mains supply is disconnected, the storage battery releases electric energy, the electric energy is output through the second output end of the UPS inverter and is input to the dual-power automatic converter through the second input end, the power is supplied to a load through the output of the first output end, the power supply circuits of the UPS inverter and the alternating current power supply end are isolated and separated, and when the UPS inverter needs to be maintained independently, the normal work of the load end under the mains supply environment is not influenced.
According to the utility model discloses a some embodiments still include on-off switch, on-off switch with alternating current power supply end connects. Through setting up on-off switch, on-off switch is connected with alternating current power supply end, when detecting that input current reaches electric leakage or electrocute action current value, can send the instruction of action tripping operation, in time cuts off the commercial power, to personnel's injury and to consumer's damage when can effectively avoiding appearing the electric leakage.
According to some embodiments of the invention, the load end with be provided with the circuit breaker between the first output. Through setting up the circuit breaker, can effectively solve the consumer because of appearing the adverse effect of electric leakage to the consumer in the load circuit, protect the working life of consumer.
According to the utility model discloses a some embodiments still include alarm module and controller, alarm module respectively with exchange the power end load end with the controller is connected. The power-off protection system further comprises an alarm module and a controller, the alarm module is connected with the alternating current power source end and used for receiving signals of the alternating current power source end, the alarm module is further connected with the load end and the controller respectively, when the mains supply is disconnected, the alarm module, the load end and the controller are communicated, and an alarm prompt is output through the controller to remind people of abnormal power supply and timely overhaul.
According to some embodiments of the utility model, alarm module includes auxiliary relay, auxiliary relay's coil with the alternating current power supply end is connected, auxiliary relay's contact respectively with the load end with the fourth input of controller is connected. Alarm module includes auxiliary relay, auxiliary relay's coil and alternating current source end are connected, give auxiliary relay through alternating current power supply, receive the commercial power input signal, auxiliary relay's contact is connected with the fourth input of load end and controller respectively, auxiliary relay is closed after the commercial power disconnection, load end and auxiliary relay short circuit, output signal is to the fourth input of controller, signal output warning cue signal is received to the fourth input, switch to stand-by power supply by alternating current power supply in whole power-off protection system, can play the effect of the unusual suggestion of power supply.
According to some embodiments of the utility model, alarm module still includes bee calling organ, bee calling organ with the fourth input is connected. The alarm module further comprises a buzzer, the buzzer is connected with the fourth input end of the controller, and when the mains supply is disconnected, the fourth input end receives signals and feeds the signals back to the buzzer to send out alarm sound, so that an alarm prompting effect is achieved.
According to some embodiments of the invention, the battery is a 12V battery with four batteries connected in series. Four 12V batteries are connected in series, and the positive and negative electrodes of the serial batteries are respectively connected with the positive and negative electrodes of the UPS inverter, so that 48V working voltage is provided for the UPS inverter, and the line loss is effectively reduced.
According to some embodiments of the present invention, the dual power automatic converter and the UPS inverter all perform ground processing. Through carrying out ground connection processing to dual supply automatic converter and UPS dc-to-ac converter, connect the ground wire on the shell, guarantee dual supply automatic converter and UPS dc-to-ac converter's safe work, can effectively avoid because the electric shock accident that the inside insulation destroys the shell electrification and cause, guarantee personal safety.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Additional aspects and advantages of the present invention will become apparent from and will be readily appreciated by reference to the following description of the embodiments taken in conjunction with the accompanying drawings,
wherein:
fig. 1 is a circuit block diagram of the power-off protection system of the present invention;
fig. 2 is a circuit diagram of a power-off protection system according to another embodiment of the present invention;
fig. 3 is a circuit block diagram of a power-off protection system according to another embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 and 2, an embodiment of the present invention provides a power-off protection system, including an ac power source terminal 110, a dual power source automatic converter 120, a standby power source module 130, and a load terminal 140, where the ac power source terminal 110 is used for accessing an ac power source; the dual power automatic converter 120 is connected to the ac power source terminal 110; the standby power supply module 130 is respectively connected with the alternating current power supply end 110 and the dual-power automatic converter 120, the standby power supply module 130 comprises a UPS inverter 131 and a storage battery 132, and the UPS inverter 131 is connected with the storage battery 132; the load end 140 is connected with the dual power automatic converter 120; when the utility power is connected, the ac power terminal 110 is connected to the load terminal 140 through the dual power source automatic converter 120, and when the utility power is disconnected, the standby power module 130 is connected to the load terminal 140 through the dual power source automatic converter 120.
The power-off protection system 100 comprises an alternating current power supply end 110, a dual-power automatic converter 120, a standby power supply module 130 and a load end 140, wherein the alternating current power supply end 110 is connected with an alternating current power supply, the dual-power automatic converter 120 is connected with the alternating current power supply end 110, the standby power supply module 130 is connected with the dual-power automatic converter 120, a power circuit is detected through the dual-power automatic converter 120, the alternating current power supply end 110 or the standby power supply module 130 is controlled to supply power to the load, the standby power supply module 130 comprises a UPS inverter 131 and a storage battery 132, the UPS inverter 131 is connected with the storage battery 132, when commercial power is connected, the alternating current power supply end 110 is connected to the load end 140 through the dual-power automatic converter 120, the alternating current power supply normally supplies power to the load, the standby power supply module 130 is connected with the alternating current power supply end 110, the alternating current power supply can charge the storage battery 132 at any time to store electric energy for the standby power supply module 130, when the commercial power is disconnected, the standby power module 130 is connected to the load end 140 through the dual-power automatic converter 120, and the standby power module 130 supplies power to the load, so that the equipment is not powered off in the conversion process, the UPS inverter 131 does not work when the commercial power is available, the load rate is low, the energy-saving effect is achieved, and the service life and the maintenance cycle of the UPS inverter 131 are longer.
By respectively connecting the alternating current power supply end 110 and the UPS inverter 131 to different input ends of the dual-power automatic converter 120, the load end 140 can be powered on at any time, the equipment work cannot be influenced by the disconnection of the commercial power, the alternating current power supply and the standby power supply can be safely isolated, and the UPS inverter 131 is not in a working state under the condition of the connection of the commercial power, so that the load rate is greatly reduced, the loss of the UPS inverter 131 is effectively reduced, and the maintenance cost is saved.
As shown in fig. 2, according to some embodiments of the present invention, the dual power automatic converter 120 includes a first input terminal I1 and a first output terminal Q1, the first input terminal I1 is connected to the ac power source terminal 110, and the first output terminal Q1 is connected to the load terminal 140. The dual-power automatic converter 120 comprises a first input end I1 and a first output end Q1, the first input end I1 is connected with the alternating current power supply end 110, when the commercial power is normal, the dual-power automatic converter 120 receives the signal of the alternating current power supply end 110, the first output end Q1 is connected with the load end 140, the alternating current power supply is input through the first input end I1, and is output through the first output end Q1 after passing through the dual-power automatic converter 120, and the load end 140 is normally supplied with power.
According to some embodiments of the present invention, dual power automatic converter includes a second input I2, UPS inverter 131 includes a third input I3 and a second output Q2, third input I3 is connected to ac power source terminal 110, and second output Q2 is connected to second input I2 of dual power automatic converter 120. The dual-power automatic converter further comprises a second input end I2, the UPS inverter 131 comprises a third input end I3 and a second output end Q2, the third input end I3 is connected with the ac power supply end 110, the ac power supply is connected to the inverter through the third input end I3 under normal circumstances to charge the storage battery 132, the second output end Q2 of the UPS inverter 131 is connected with the second input end I2 of the dual-power automatic converter 120, when the commercial power is disconnected, the storage battery 132 releases electric energy, the electric energy is output through the second output end Q2 of the UPS inverter 131, the electric energy is input to the dual-power automatic converter 120 through the second input end I2 to be output to supply power to the load through the first output end Q1, the power supply circuit of the UPS inverter 131 and the ac power supply end 110 is isolated, and when the UPS inverter 131 needs to be maintained separately, the normal operation of the load end 140 in the commercial power environment is not affected.
According to some embodiments of the present invention, the device further comprises an on-off switch QF00, the on-off switch QF00 being connected to the ac power source terminal 110. Through setting up on-off switch QF00, on-off switch QF00 is connected with alternating current power end 110, when detecting that input current reaches electric leakage or electrocution action current value, can send the instruction of action tripping operation, in time cuts off the commercial power, can effectively avoid when appearing the electric leakage injury to personnel and the damage to consumer.
According to some embodiments of the present invention, a circuit breaker QF04 is provided between the load terminal 140 and the first output terminal Q1. Through setting up circuit breaker QF04, can effectively solve the consumer because of the electric leakage appears in the load circuit adverse effect to the consumer, protect the working life of consumer.
As shown in fig. 3, according to some embodiments of the present invention, the power-off protection system 100 further includes an alarm module 150 and a controller 160, the alarm module 150 is connected to the ac power source terminal 110, receives the signal of the ac power source terminal 110, the alarm module 150 is further connected to the load terminal 140 and the controller 160, when the utility power is disconnected, the alarm module 150, the load terminal 140 and the controller 160 are connected, and the alarm prompt is output through the controller 160, so as to remind people of abnormal power supply, and the maintenance is required in time.
As shown in fig. 2, according to some embodiments of the present invention, the alarm module 150 includes an intermediate relay 151, a coil of the intermediate relay 151 is connected to the ac power source terminal 110, and contacts of the intermediate relay 151 are connected to the load terminal 140 and the fourth input terminal X39 of the controller 160, respectively. The coil of the intermediate relay 151 is connected with the alternating current power supply end 110, so that the alternating current power supply supplies power to the intermediate relay 151, a mains supply input signal is received, the contact of the intermediate relay 151 is respectively connected with the load end 140 and the fourth input end X39 of the controller 160, the intermediate relay 151 is closed after the mains supply is disconnected, the load end 140 is in short circuit with the intermediate relay 151, a signal is output to the fourth input end X39 of the controller 160, the fourth input end X39 receives an output alarm prompt signal, the alternating current power supply is switched to a standby power supply in the whole power failure protection system 100, and the function of power supply abnormity prompt can be achieved.
According to some embodiments of the present invention, the alarm module 150 further comprises a buzzer, which is connected to the fourth input terminal X39. By connecting the buzzer with the fourth input terminal X39 of the controller 160, when the commercial power is disconnected, the fourth input terminal X39 receives the signal and feeds the signal back to the buzzer to send out an alarm sound, thereby playing a role of alarm prompt. Furthermore, the fourth input end X39 is connected with the display screen, and when the commercial power is disconnected, the display screen displays a prompt of 'abnormal power supply and timely maintenance', so that the alarm prompt function can be better played.
According to some embodiments of the present invention, the battery 132 is four 12V batteries connected in series. Four 12V batteries are connected in series, and the positive and negative electrodes of the serial batteries are respectively connected with the positive and negative electrodes of the UPS inverter 131, so that 48V working voltage is provided for the UPS inverter 131, and the line loss is effectively reduced.
According to some embodiments of the present invention, dual power supply automatic converter 120 and UPS inverter 131 both perform ground handling. Through carrying out ground connection processing to dual supply automatic converter 120 and UPS dc-to-ac converter 131, connect ground wire PE on the shell, guarantee dual supply automatic converter 120 and UPS dc-to-ac converter 131's safe work, can effectively avoid because the electric shock accident that the inside insulation destroys the shell electrification and cause, guarantee personal safety.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of those skilled in the art.
Claims (10)
1. A power outage protection system, comprising:
the alternating current power supply end is used for accessing an alternating current power supply;
the double-power automatic converter is connected with the alternating current power supply end;
the standby power supply module is respectively connected with the alternating current power supply end and the dual-power automatic converter, and comprises a UPS inverter and a storage battery, and the UPS inverter is connected with the storage battery;
the load end is connected with the dual-power automatic converter; when the commercial power is accessed, the alternating current power supply end is connected to the load end through the dual-power automatic converter, and when the commercial power is disconnected, the standby power supply module is connected to the load end through the dual-power automatic converter.
2. The power-off protection system of claim 1, wherein the dual-power automatic converter comprises a first input terminal and a first output terminal, the first input terminal is connected to the ac power supply terminal, and the first output terminal is connected to the load terminal.
3. The power-off protection system of claim 2, wherein the dual-power automatic converter includes a second input, the UPS inverter includes a third input connected to the ac power source and a second output connected to the second input of the dual-power automatic converter.
4. The power-off protection system of claim 1, further comprising an on-off switch connected to the ac power source.
5. The power-off protection system of claim 2, wherein a circuit breaker is disposed between the load side and the first output side.
6. The power-off protection system according to claim 1, further comprising an alarm module and a controller, wherein the alarm module is connected to the ac power source terminal, the load terminal and the controller, respectively.
7. The power-off protection system of claim 6, wherein the alarm module comprises an intermediate relay, a coil of the intermediate relay is connected with the alternating current power supply terminal, and contacts of the intermediate relay are respectively connected with the load terminal and a fourth input terminal of the controller.
8. The power-off protection system of claim 7, wherein the alarm module further comprises a buzzer, the buzzer being connected to the fourth input.
9. The power-off protection system of claim 1, wherein the battery is four 12V batteries connected in series.
10. The power down protection system of claim 1, wherein the dual power supply automatic converter and the UPS inverter are both grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023341260.5U CN214506646U (en) | 2020-12-30 | 2020-12-30 | Power-off protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023341260.5U CN214506646U (en) | 2020-12-30 | 2020-12-30 | Power-off protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214506646U true CN214506646U (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023341260.5U Active CN214506646U (en) | 2020-12-30 | 2020-12-30 | Power-off protection system |
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| Country | Link |
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| CN (1) | CN214506646U (en) |
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2020
- 2020-12-30 CN CN202023341260.5U patent/CN214506646U/en active Active
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