CN109687551B - Digitally controlled charger with protection function - Google Patents
Digitally controlled charger with protection function Download PDFInfo
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- CN109687551B CN109687551B CN201910013972.7A CN201910013972A CN109687551B CN 109687551 B CN109687551 B CN 109687551B CN 201910013972 A CN201910013972 A CN 201910013972A CN 109687551 B CN109687551 B CN 109687551B
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- 239000000284 extract Substances 0.000 claims description 6
- 230000008439 repair process Effects 0.000 description 7
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- 230000005540 biological transmission Effects 0.000 description 4
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- 238000004146 energy storage Methods 0.000 description 2
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
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- H02J7/027—
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a digitally controlled charger with a protection function, which comprises a digital control module, a charging voltage database, a charging current database, a selection module, a power module and an output protection module, wherein the selection module is used for selecting the required charging voltage or charging current and outputting corresponding charging voltage data and overcharge current data; the power module is coupled to the mains supply to perform voltage reduction processing and output voltage data or current data after voltage reduction; the output protection module receives the voltage data and the charging voltage data after voltage reduction, or the current data and the charging current data after voltage reduction, compares the voltage data and the charging voltage data, and outputs comparison data to the digital control module; the output protection module compares the voltage or current after voltage reduction with the selected charging voltage or current, and cuts off the charging circuit when the voltage or current after voltage reduction is different from the selected charging voltage or current, so that the condition that the object to be charged is damaged or cannot be charged due to overhigh or overlow voltage or current after voltage reduction is favorably reduced.
Description
Technical Field
The invention relates to the technical field of chargers, in particular to a digitally-controlled charger with a protection function.
Background
For example, the existing charger disclosed in chinese patent publication No. CN102468661A discloses a charger for charging an object to be charged, which includes a base, a circuit board disposed in the base, an electric transmission terminal connected to the circuit board, an energy storage device connected to the circuit board, and a card holder slidably disposed on the base, wherein the card holder supports the object to be charged against the electric transmission terminal to electrically connect the object to be charged with the electric transmission terminal, and the energy storage device transmits its electric energy to the object to be charged through the electric transmission terminal to charge the object.
The above prior art solutions have the following drawbacks: when the object to be charged is charged after the charger is connected with the mains supply, the voltage of the mains supply is required to be reduced to the voltage suitable for the object to be charged, then the electric energy is conveyed into the object, when the electric energy is conveyed, because the voltage which can be borne by different objects to be charged is different, the charger needs to perform corresponding voltage reduction treatment after the charger is connected with the mains supply, the voltage needs to be detected in the process, the object to be charged can be normally charged after the voltage reduction is ensured, the charger does not have corresponding functions, the voltage after the voltage reduction is easily caused to be still too high, and the damage of the object to be charged is caused, and the improvement is caused.
Disclosure of Invention
The invention aims to provide a digitally-controlled charger with a protection function, which can compare a voltage after voltage reduction with a selected charging voltage and cut off a charging line when the voltage after voltage reduction is still overhigh so as to reduce the damage of an object to be charged caused by overhigh voltage after voltage reduction.
The above object of the present invention is achieved by the following technical solutions: a digitally controlled charger with protection, comprising:
the digital control module is used for processing data and controlling the on-off of a charging circuit of the charger; a charging voltage database storing a plurality of charging voltages and a charging current database storing a plurality of charging currents are arranged in the digital control module;
the selection module is coupled to the digital control module and used for selecting the required charging voltage or charging current from the charging voltage database or the charging current database and outputting corresponding charging voltage data or charging current data;
the power module is coupled to a mains supply to perform voltage reduction processing and output voltage data or current data after voltage reduction;
the output protection module is coupled with the power module and the selection module to receive the voltage data and the charging voltage data after voltage reduction or the current data and the charging current data after voltage reduction for comparison and output comparison data to the digital control module;
and only when the voltage and current data after voltage reduction are the same as the corresponding charging voltage and current data, the digital control module receives the comparison data and controls the charger to charge, otherwise, when the voltage and current data after voltage reduction are more than or less than the corresponding charging voltage and current data, the digital control module receives the comparison data and cuts off a charging circuit of the charger.
By adopting the technical scheme, when the charger charges an object to be charged, the voltage or the current matched with the object to be charged can be selected in the charging voltage database or the charging current database according to the difference of the voltage or the current required by the object to be charged, the digital control module instructs the power module to reduce the voltage of the mains supply to the required voltage or current value, the selected voltage current value and the voltage current value after the voltage reduction of the power module are compared by the output protection module and then transmitted to the digital control module to control the charging of the charger, the output protection module compares the selected voltage current value and the voltage current value after the voltage reduction with each other after the voltage current value and the voltage current value after the voltage reduction enter the output protection module, and only when the voltage and the current data after the voltage reduction are the same as the selected charging voltage and the current data, the comparison data which can enable the digital control module to start the charging of the charger are output, otherwise, outputting a comparison signal which enables the digital control module to cut off a charging circuit of the charger; this kind is through setting up output protection module to voltage or electric current after the step-down and the charging voltage or the electric current of selection carry out the comparison to voltage electric current after the step-down is different with the mode of the charging voltage electric current of selection in time cutting off the charging line, be favorable to reducing the voltage electric current after the step-down too high or cross excessively and cause the condition that treats that the charging object damages or can't charge.
The invention is further configured to: further comprising:
and the display module is coupled with the digital control module to receive corresponding charging voltage and charging current data for processing and displaying in a digital form in real time.
Through adopting above-mentioned technical scheme, through setting up the display module, can show the charging voltage current data in real time in the digital control module to in service personnel select corresponding required voltage or electric current better, and can show the control state of digital control module to the charger simultaneously, so that in time know the charging condition or the outage condition that present charger was located.
The invention is further configured to: further comprising:
the selection module is also coupled with the conversion module to select the starting unit or the charging unit and transmit the selected starting unit or the charging unit to the digital control module to control the starting or charging of the charger, and the display module displays the starting state or the charging state of the charger in real time.
Through adopting above-mentioned technical scheme, through setting up the conversion module for the charger need start the back through the start unit earlier after connecting the power, and the rethread charging unit just can realize treating the charging of filling the thing, and then can realize the dual guarantee that charges to the charger, compares in the charger that directly charges behind the intercommunication power, and the security is higher.
The invention is further configured to: further comprising:
and the information acquisition module is coupled with the digital control module to acquire the times that the voltage and current data after voltage reduction are greater than or less than the corresponding charging voltage and current data, and form a voltage and current overload time database and a voltage and current over-low time database.
Through adopting above-mentioned technical scheme, after selecting required charging voltage or electric current, match selected voltage or electric current after rethread power module steps down the commercial power, the power module can appear stepping down the in-process and be higher than or be less than required voltage or electric current condition at this in-process, through setting up information acquisition module, can collect and form corresponding overload number of times database and the number of times database of crossing excessively to the number of times that this kind of condition appears, in order to know clearly that the power module appears the condition of stepping down the problem and transmit to digital control module for the user knows.
The invention is further configured to: further comprising:
the overload frequency warning module is coupled with the information acquisition module, extracts corresponding overload frequency from the voltage and current overload frequency database, and performs continuous sound alarm when the overload frequency reaches n times (n is more than or equal to 5);
and the over-low frequency warning module is coupled with the information acquisition module, extracts corresponding over-low frequency from the voltage and current over-low frequency database, and performs continuous light-emitting alarm when the over-low frequency is defined to reach m (m is more than or equal to 8).
Through adopting above-mentioned technical scheme, through setting up overload number of times warning module and crossing number of times warning module excessively and setting for corresponding overload and cross low critical number of times to carry out corresponding warning suggestion to the condition that the voltage and current transships and the condition that the voltage and current was crossed low after reaching corresponding critical number of times, so that the user in time knows the step-down of current charger and can't satisfy the demand of charging, so that in time overhaul.
The invention is further configured to: further comprising:
the information service module is coupled with the digital control module to receive the voltage and current overload and over-low times, and is internally provided with a database of the number of the overhaul human mobile phone;
the voice prompt module is controlled by the digital control module;
the digital control module takes the voltage and current overload times or the too low times as an inquiry object, and once the voltage and current overload times exceed the times preset by the overload time warning module or the voltage and current too low times exceed the times preset by the too low time warning module, the digital control module calls a maintainer mobile phone number matched with the voltage and current overload times from the maintainer mobile phone number database and loads the maintainer mobile phone number into the voice prompt module to inform the maintainer to overhaul the charger.
Through adopting above-mentioned technical scheme, when the inside overload number of times warning module of charger or cross the time of hanging down warning module and report to the police, then show that present charger needs to overhaul, digital control module can select corresponding maintenance people's cell-phone number and carry out voice prompt through voice prompt module in the maintenance people's cell-phone number database in the information service module this moment to make the maintenance people in time overhaul the charger.
The invention is further configured to: the information service module is also internally provided with a maintainer working time database, a maintainer working state database and a maintainer overhaul type database, wherein the maintainer overhaul type database comprises a voltage and current overload maintainer database and a voltage and current overlow maintainer database, and defines that corresponding maintainers in work need to overhaul after the voltage and current overload or overlow times exceed a preset value and the working time reaches a year;
once the voice prompt module notifies a plurality of overhaulers, the digital control module judges the current and voltage conditions and then takes the working time, working state and overhauling type of the overhaulers as a set, and when the voltage and current are not overloaded, the digital control module notifies a first voice notification object, a second voice notification object and a third voice notification object to the overhaulers in the working time of the overhaulers by using the voltage and current overload maintainer, and loads the third voice notification object to the voice prompt module to notify the corresponding overhaulers; when the voltage and current are not too low and the frequency is higher, the digital control module takes the overhauler with too low voltage and current as a first voice notification object, the overhauler working state as a second voice notification object and the overhauler working time as a third voice notification object and loads the third voice notification object on the voice prompt module to notify the corresponding overhauler.
By adopting the technical scheme, the overhaul person working time database, the overhaul person working state database and the overhaul person overhaul type database are arranged, the overhaul person overhaul type database is divided into the voltage and current overload overhaul person database and the voltage and current overlow overhaul person database, the voltage and current overload or overlow overhaul person is a first voice notification object, the overhaul person working state is a second voice notification object, and the overhaul person working time is a third voice notification object in the subsequent selection process, so that the digital control module can select the most appropriate overhaul person.
The invention is further configured to: further comprising:
and the App module is coupled with the digital control module to receive the conditions of voltage and current overload or excessively low times and carry out remote prompt, and realize remote control on the digital control module to timely inform a maintainer to overhaul before the voltage and current overload or excessively low times reach a preset value.
Through adopting above-mentioned technical scheme, through setting up the App module, can in time learn present charger internal power module at the step-down in-process, the overload that voltage and current produced or cross the number of times of hanging down, and then can inform the maintainer to overhaul when charger internal voltage and current transships or crosses down and be close the critical value.
In conclusion, the beneficial technical effects of the invention are as follows:
the voltage or current after being reduced is compared with the selected charging voltage or current by setting the output protection module, and the mode of timely cutting off the charging circuit when the voltage and current after being reduced are different from the selected charging voltage and current is favorable for reducing the condition that the object to be charged is damaged or cannot be charged due to overhigh or overlow voltage and current after being reduced.
Drawings
Fig. 1 is a first schematic diagram of the present invention.
Fig. 2 is a second principle diagram of the present invention.
Fig. 3 is a third schematic diagram of the present invention.
In the figure, 1, a digital control module; 2. a charging voltage database; 3. a charging current database; 4. a selection module; 5. a power module; 6. an output protection module; 7. a display module; 8. a conversion module; 9. an information acquisition module; 10. a voltage and current overload frequency database; 11. a database of times of voltage and current overlow; 12. an overload frequency warning module; 13. an over-low frequency warning module; 14. an information service module; 15. a database of the number of the mobile phone of the overhaul person; 16. a voice prompt module; 17. a maintainer working time database; 18. overhauling a human work state database; 19. a maintainer repair type database; 20. a voltage and current overload maintainer database; 21. a database of overhaulers with too low voltage and current; 22. an App module; 23. a start unit; 24. a charging unit.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the digitally controlled charger with protection function disclosed in the present invention includes a digital control module 1, a selection module 4, a power module 5, an output protection module 6 and a display module 7.
The digital control module 1 is used for processing received data and controlling the on-off of a charging circuit of a charger, and a charging voltage database 2 storing a plurality of charging voltages and a charging current database 3 storing a plurality of charging currents are built in the digital control module 1, in the embodiment, the charging voltages are preferably optional 6V, 12V and 24V supply voltages, and the charging currents are preferably optional 6A, 12A and 24A supply currents.
The selection module 4 is coupled to the digital control module 1 and is arranged in the charging voltage database 2 or the charging current database 3 to select a required charging voltage or charging current and output corresponding charging voltage data or charging current data to be transmitted to the digital control module 1; the display module 7 is coupled to the digital control module 1 for receiving the corresponding charging voltage and charging current data and displaying the data in a digital form in real time, in this embodiment, the display module 7 is preferably a liquid crystal display, and the selection module 4 is a plurality of selection buttons corresponding to corresponding voltage values and current values, which are disposed on the liquid crystal display.
The power module 5 is coupled to the mains supply to perform voltage reduction processing and output voltage data or current data after voltage reduction, after the selection module 4 selects and transmits the selected data to the digital control module 1, the digital control module 1 transmits the selected data to the power module 5 for knowing, so that the voltage data and the current data after voltage reduction processing by the power module 5 can be matched with the selected charging voltage or current data in the selection module 4, and further, a to-be-charged object can be charged.
The output protection module 6 is coupled to the power module 5 and the selection module 4 to receive the voltage data and the charging voltage data after voltage reduction, or the current data and the charging current data after voltage reduction, and output the comparison data to the digital control module 1, after the power module 5 performs voltage reduction processing on the commercial power, corresponding comparison needs to be performed through the output protection module 6 to ensure that the processing of the commercial power by the power module 5 meets the requirement of the voltage and current selected by the selection module 4, and then the charger can be controlled to be charged through the digital control module 1; therefore, when the voltage and current data after voltage reduction of the output protection module 6 are the same as the charging voltage and current data selected by the selection module 4 in the comparison process, the digital control module 1 receives the comparison data and controls the charger to charge, and conversely, when the voltage and current data after voltage reduction are greater than or less than the charging voltage and current data selected by the selection module 4, the digital control module 1 receives the comparison data and cuts off the charging circuit of the charger.
Referring to fig. 2, in addition, in the charging process of the charger, in order to avoid the leakage condition caused by charging the object to be charged immediately after the charger is connected to the power supply, the present invention further includes a conversion module 8, the conversion module 8 is coupled to the digital control module 1 and is internally provided with a starting unit 23 and a charging unit 24, the selection module 4 is further coupled to the conversion module 8 to select the starting unit 23 or the charging unit 24 and transmit the selected starting unit 23 or the charging unit 24 to the digital control module 1 to control the starting or charging of the charger, and the display module 7 displays the starting state or the charging state of the charger in real time; make the charger need earlier start the back through start unit 23 after connecting the power, rethread charging unit 24 can realize treating the charging of filling the thing, and then can realize the dual guarantee to the charger charging, compare in the charger that directly charges behind the intercommunication power, the security is higher.
Further, in the process of performing corresponding voltage reduction processing on the power module 5, charging voltage or current values which are not required by the selection module 4 inevitably appear, and the number of times of occurrence of the situation can be definitely known for ensuring so as to perform processing in a later period in time.
The invention also comprises an information acquisition module 9, an overload frequency warning module 12 and an over-low frequency warning module 13, wherein the information acquisition module 9 is coupled with the digital control module 1 to acquire the frequency that the voltage and current data after voltage reduction is greater than or less than the corresponding charging voltage and current data, and form a voltage and current overload frequency database 10 and a voltage and current over-low frequency database 11, and display the frequency in real time in the display module 7 for users to know in time; the overload frequency warning module 12 is coupled to the information acquisition module 9, extracts corresponding overload frequency from the voltage and current overload frequency database 10, and defines that the overload frequency reaches n times (n is more than or equal to 5), and the overload frequency warning module 12 gives a continuous sound alarm; the too low frequency warning module 13 is coupled to the information acquisition module 9, extracts corresponding too low frequency from the voltage and current too low frequency database 11, and defines that the too low frequency reaches m times (m is greater than or equal to 8), the too low frequency warning module 13 performs continuous light-emitting alarm; in the embodiment, the threshold times of voltage and current overload or over-low are set, the user is prompted by a specific alarm, and the user is informed in time, in addition, when the voltage or the current is overloaded in the embodiment, if the object to be charged is charged, the object to be charged is easily damaged, and the object to be charged is not greatly influenced by over-low voltage or current and still needs to be processed, so the threshold value of the overload times specified in the invention needs to be smaller than the threshold value of the over-low times.
Referring to fig. 3, further, when the number of times of voltage and current overload or too low of the power module 5 in the charger compared with the charging voltage and current value required by the selection module 4 reaches a critical value during the voltage reduction process, the charger needs to be overhauled.
The invention also comprises an information service module 14 and a voice prompt module 16, wherein the information service module 14 is coupled with the digital control module 1 to receive the voltage and current overload and over-low times, and a maintenance man-machine number database 15 is arranged in the information service module 14; the voice prompt module 16 is controlled by the digital control module 1, when the charger needs to be overhauled, the digital control module 1 takes the overload times of the voltage and the current or the overlow times as an inquiry object, once the overload times of the voltage and the current exceeds the preset times of the overload time warning module 12, or the overlow times of the voltage and the current exceeds the preset times of the overlow time warning module 13, the digital control module 1 calls the matched overhauler mobile phone number from the overhauler mobile phone number database 15 and loads the overhauled mobile phone number in the voice prompt module 16 to inform the overhauled charger.
Further, in order to accelerate the maintenance efficiency of the charger, the most suitable maintainer needs to be selected from the maintainers, and a maintainer working time database 17, a maintainer working state database 18 and a maintainer maintenance type database 19 are also arranged in the information service module 14; in order to repair the voltage and current overload or overlow situation, the repair person type database 19 includes a voltage and current overload repair person database 20 and a voltage and current overlow repair person database 21, and defines the repair conditions that the voltage and current overload or overlow times exceed a preset value, a corresponding repair person specially aiming at the overvoltage and current overload or overlow and working is needed, and the working time reaches a year.
Once the voice prompt module 16 notifies a plurality of overhaulers, the digital control module 1 determines the current and voltage conditions and then takes the working time, working state and overhauling type of the overhaulers as a set, and when the voltage and current are not overloaded, the digital control module 1 uses the voltage and current overload overhaulers as a first voice notification object, the overhauling man working state as a second voice notification object and the overhauling man working time as a third voice notification object and loads the third voice notification object to the voice prompt module 16 to notify the corresponding overhaulers; when the voltage and current are not too low and the frequency is high, the digital control module 1 uses the overhauler with too low voltage and current as the first voice notification object, the overhauler working state as the second voice notification object, and the overhauler working time as the third voice notification object, and loads the third voice notification object on the voice prompt module 16 to notify the corresponding overhauler.
Furthermore, the charger further comprises an App module 22, wherein the App module 22 is coupled to the digital control module 1 to receive the conditions of voltage and current overload or excessively low times and perform remote prompt, and the digital control module 1 is remotely controlled to timely inform a maintainer to overhaul before the voltage and current overload or excessively low times reach a critical value, so that the internal damage condition of the charger can be repaired in time before the condition is guaranteed.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (4)
1. A digitally controlled charger with protection function, comprising: the method comprises the following steps:
the digital control module (1) is used for processing data and controlling the on-off of a charging circuit of the charger; a charging voltage database (2) storing a plurality of charging voltages and a charging current database (3) storing a plurality of charging currents are arranged in the digital control module (1);
a selection module (4) coupled to the digital control module (1) in the charging voltage database (2) or the charging current database (3) to select a desired charging voltage or charging current and output corresponding charging voltage data or charging current data;
the power module (5) is coupled to a mains supply to perform voltage reduction processing and output voltage data or current data after voltage reduction;
the output protection module (6) is coupled to the power module (5) and the selection module (4) and used for receiving the voltage data and the charging voltage data after voltage reduction or comparing the current data and the charging current data after voltage reduction and outputting comparison data to the digital control module (1);
only when the voltage and current data after voltage reduction are the same as the corresponding charging voltage and current data, the digital control module (1) receives the comparison data and controls the charger to charge, otherwise, when the voltage and current data after voltage reduction are more than or less than the corresponding charging voltage and current data, the digital control module (1) receives the comparison data and cuts off a charging circuit of the charger;
further comprising:
the information acquisition module (9) is coupled with the digital control module (1) to acquire the times that the voltage and current data after voltage reduction are larger than or smaller than the corresponding charging voltage and current data, and form a voltage and current overload time database (10) and a voltage and current over-low time database (11);
further comprising:
the overload frequency warning module (12) is coupled to the information acquisition module (9), extracts corresponding overload frequency from the voltage and current overload frequency database (10), defines that the overload frequency reaches n times, and when n is not less than 5, the overload frequency warning module (12) gives out continuous sound alarm;
the over-low frequency warning module (13) is coupled to the information acquisition module (9), extracts corresponding over-low frequency from the voltage and current over-low frequency database (11), defines that the over-low frequency reaches m times, and performs continuous light-emitting alarm when m is not less than 8;
the information service module (14) is coupled with the digital control module (1) to receive the voltage and current overload and over-low times, and is internally provided with a database (15) of the number of the overhaul human mobile phone;
the voice prompt module (16) is controlled by the digital control module (1);
the digital control module (1) takes the voltage and current overload times or the over-low times as a query object, and once the voltage and current overload times exceed the times preset by the overload time warning module (12) or the voltage and current over-low times exceed the times preset by the over-low time warning module (13), the digital control module (1) calls a maintenance person mobile phone number matched with the voltage and current overload times from the maintenance person mobile phone number database (15) and loads the maintenance person mobile phone number into the voice prompt module (16) to inform the maintenance person to maintain the charger;
the information service module (14) is also internally provided with a maintainer working time database (17), a maintainer working state database (18) and a maintainer overhauling type database (19), wherein the maintainer overhauling type database (19) comprises a voltage and current overload maintainer database (20) and a voltage and current overlow maintainer database (21), and the corresponding maintainers which are in working and have working time of a year are required to overhaul after the voltage and current overload or overlow times exceed a preset value;
once the voice prompt module (16) notifies a plurality of maintenance persons, the digital control module (1) judges the current and voltage conditions and then takes the working time, working state and maintenance type of the maintenance persons as a set, and when the voltage and current are not overloaded for a higher number of times, the digital control module (1) notifies a first voice notification object, a second voice notification object and a third voice notification object by using the voltage and current overload maintenance person, and loads the third voice notification object to the voice prompt module (16) to notify the corresponding maintenance persons; when the voltage and current are not too low and the frequency is high, the digital control module (1) uses the overhauler with too low voltage and current as a first voice notification object, uses the overhauler working state as a second voice notification object, uses the overhauler working time as a third voice notification object and loads the third voice notification object on the voice prompt module (16) to notify the corresponding overhauler.
2. The digitally controlled protected charger of claim 1, wherein: further comprising:
and the display module (7) is coupled with the digital control module (1) to receive corresponding charging voltage and charging current data for processing and displaying in a digital form in real time.
3. A digitally controlled charger with protection as claimed in claim 2, wherein: further comprising:
the conversion module (8) is coupled to the digital control module (1) and is internally provided with a starting unit (23) and a charging unit (24), the selection module (4) is further coupled to the conversion module (8) to select the starting unit (23) or the charging unit (24) and transmit the selected starting unit or the charging unit to the digital control module (1) to control the starting or charging of the charger, and the display module (7) displays the starting state or the charging state of the charger in real time.
4. The digitally controlled protected charger of claim 1, wherein: further comprising:
and the App module (22) is coupled to the digital control module (1) to receive the conditions of voltage and current overload or excessively low times and carry out remote prompt, and the digital control module (1) is remotely controlled to timely inform a maintainer to overhaul before the voltage and current overload or excessively low times reach a preset value.
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| CN201910013972.7A CN109687551B (en) | 2019-01-08 | 2019-01-08 | Digitally controlled charger with protection function |
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| CN201910013972.7A CN109687551B (en) | 2019-01-08 | 2019-01-08 | Digitally controlled charger with protection function |
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| CN109687551A CN109687551A (en) | 2019-04-26 |
| CN109687551B true CN109687551B (en) | 2021-07-30 |
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|---|---|---|---|---|
| CN2410804Y (en) * | 2000-01-26 | 2000-12-13 | 龍協电子工业股份有限公司 | Composite charger |
| TWI548178B (en) * | 2012-02-24 | 2016-09-01 | 緯創資通股份有限公司 | Charging device and charging method |
| CN103683888B (en) * | 2012-09-20 | 2017-03-29 | 施耐德东芝换流器欧洲公司 | The method of controlling security of the system with pre-charge circuit, equipment and its system |
| CN107359661A (en) * | 2017-07-31 | 2017-11-17 | 上海与德科技有限公司 | Charger, charging system and charging method |
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2019
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