CN210669605U - Civil charging and discharging device - Google Patents
Civil charging and discharging device Download PDFInfo
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- CN210669605U CN210669605U CN201921808096.9U CN201921808096U CN210669605U CN 210669605 U CN210669605 U CN 210669605U CN 201921808096 U CN201921808096 U CN 201921808096U CN 210669605 U CN210669605 U CN 210669605U
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- 238000007599 discharging Methods 0.000 title claims abstract description 29
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 3
- 230000020169 heat generation Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a civil charge-discharge device, which comprises a power module, a MOSFET, an inductor, a PWM module, a display module, an input module, a CPU module, a current transformer, a voltage acquisition module, a current acquisition module, a DC/AC conversion module and a boosting module, wherein the power module, the MOSFET, the inductor and the current transformer are connected in series in sequence to form a charging loop of a storage battery; the boosting module and the DC/AC conversion module are connected in series to form a discharge loop of the storage battery. The utility model realizes the controllable charging current of the storage battery through the flexible and controllable storage battery charging loop control, and avoids the damage to the storage battery caused by heavy current charging, overcharging, long-time floating charging and the like; through the boosting grid-connected discharging, the storage battery is discharged without heat generation, and the electric energy is fed back to a power grid, so that the waste of unnecessary energy is avoided; through the integrated design of charge-discharge, improve the convenience of people daily use greatly.
Description
Technical Field
The utility model relates to a charge-discharge technical field of battery especially relates to a civilian charge-discharge device.
Background
The storage battery is a device for converting chemical energy into electric energy, is charged and discharged through reversible chemical reaction, belongs to a secondary battery, is used as an accident emergency power supply, and is widely applied to various industries and fields such as communication, transportation and the like. The 12V storage battery is widely applied to the actual life of people, for example, the 12V storage battery is used on an automobile and an electric vehicle to provide uninterrupted power energy guarantee, and once the storage battery is abnormal, great inconvenience is brought to people.
As is well known, the service life of a storage battery is related to the use and maintenance modes of the storage battery, a checking discharge test is the most reliable mode for checking the capacity effectiveness of the storage battery, most of the traditional civil storage battery discharge machines discharge in a heating load mode, so that a large amount of unnecessary energy is wasted, and the generated heat can bring huge potential safety hazards and is not beneficial to sustainable development; on the other hand, the voltage ratio of the storage battery just discharged is lower, and the risk of instantaneous large-current charging can be caused by directly charging, so that the internal structure of the storage battery is damaged, and the service life is shortened. And civil power source is 220V high voltage alternating current power supply, can not directly charge 12V battery, needs external adapter to convert high voltage alternating current into low voltage direct current, and the convenience is lacked in the convenience that can use.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the charging current of the storage battery is controllable through flexible and controllable storage battery charging loop control, and the damage to the storage battery caused by heavy current charging, overcharging, long-time floating charging and the like is avoided; through the boosting grid-connected discharging, the storage battery is discharged without heat generation, and the electric energy is fed back to a power grid, so that the waste of unnecessary energy is avoided; through the design of charge-discharge integration, improve the convenience of people daily use greatly, the utility model provides a civilian charge-discharge device.
The technical scheme of the utility model is realized like this, a civilian charge-discharge device, including power module, MOSFET, inductance, PWM module, display module, input module, CPU module, current transformer, voltage acquisition module, current acquisition module, DC/AC conversion module and boost module;
the power module, the MOSFET, the inductor and the current transformer are sequentially connected in series to form a charging loop of the storage battery;
the boosting module and the DC/AC conversion module are connected in series to form a discharge loop of the storage battery;
one end of the PWM module is connected with the grid electrode of the MOSFET, and the other end of the PWM module is connected with the CPU module;
the voltage acquisition module is connected with the storage battery and the CPU module and is used for acquiring voltage data of the storage battery during charging and discharging and transmitting the voltage data to the CPU module;
the current acquisition module is connected with the current transformer and the CPU module and is used for acquiring current data during charging and discharging of the storage battery and transmitting the current data to the CPU module;
the input module is connected with the CPU module and is used for inputting a charging or discharging instruction to the CPU module;
the display module is connected with the CPU module and is used for displaying the charging and discharging states of the storage battery;
the boosting module is connected with the CPU module and used for boosting low-voltage direct current output by the storage battery to high-voltage direct current capable of meeting the requirement of the work of the DC/AC conversion module, and the DC/AC conversion module converts the high-voltage direct current into high-voltage alternating current and transmits the high-voltage alternating current to an external alternating current phase line;
the CPU module is used for controlling the PWM module to output PWM driving signals to the grid electrode of the MOSFET so as to control the on and off of the MOSFET; when the charging loop is conducted, the CPU module controls the current of the charging loop according to the voltage data and the current data; when the discharging loop is conducted, the CPU module controls the boosting module to start boosting after receiving a discharging instruction.
Further, the storage battery is a 12V storage battery.
Further, the storage battery includes, but is not limited to, a lead-acid storage battery, a lithium battery, and a nickel-metal hydride battery.
Furthermore, the power module is an AC/DC notebook power module, and after the AC/DC notebook power module converts high-voltage alternating current mains supply into low-voltage direct current, the CPU module controls the frequency of the PWM module to secondarily reduce the voltage of the low-voltage direct current, so as to charge the storage battery.
Further, the boost module is a push-pull boost module.
Further, the display module includes, but is not limited to, a display.
Further, the input module includes, but is not limited to, a keyboard.
Further, the display module and the input module are included on the same touch display.
The beneficial effects of the utility model reside in that, compared with the prior art, the utility model discloses an useful part lies in:
(1) the utility model can realize flexible battery charging control and trickle charging of the battery; the charging current is gradually increased and the maximum charging current is controlled, so that the storage battery is prevented from being damaged by instantaneous large current;
(2) the utility model can be used in the environment of AC power supply, without additional AC/DC conversion, which is convenient for people to use in daily life;
(3) the utility model discloses a humanized push-pull boost module and accurate grid-connected circuit design have realized the constant current of battery and have discharged to with the electric energy repayment electric wire netting, whole no heat production avoids the unnecessary electric energy extravagant.
Drawings
Fig. 1 is a schematic block diagram of an embodiment of the present invention, which is a civil charging and discharging device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the present invention relates to a civil charging and discharging device, which includes a power module 1, a MOSFET2, an inductor 3, a PWM module 4, a display module 10, an input module 9, a CPU module 8, a current transformer 7, a voltage acquisition module 6, a current acquisition module 5, a DC/AC conversion module 12, and a voltage boost module 11;
the power module 1, the MOSFET2, the inductor 3 and the current transformer 7 are sequentially connected in series to form a charging loop of the storage battery 13;
the boosting module 11 and the DC/AC conversion module 12 are connected in series to form a discharge loop of the storage battery 13;
one end of the PWM module 4 is connected with the grid electrode of the MOSFET2, and the other end is connected with the CPU module 8;
the voltage acquisition module 6 is connected with the storage battery 13 and the CPU module 8, and is used for acquiring voltage data of the storage battery 13 during charging and discharging and transmitting the voltage data to the CPU module 8;
the current acquisition module 5 is connected with the current transformer 7 and the CPU module 8, and is used for acquiring current data when the storage battery 13 is charged and discharged and transmitting the current data to the CPU module 8;
the input module 9 is connected to the CPU module 8, and is configured to input a charging or discharging instruction to the CPU module 8;
the display module 10 is connected with the CPU module 8 and is used for displaying the charging and discharging states of the storage battery 13, such as real-time voltage and current of the storage battery 13 during charging and discharging;
the boosting module 11 is connected to the CPU module 8, and is configured to boost the low-voltage direct current output by the storage battery 13 to a high-voltage direct current that can meet the requirement of the DC/AC conversion module 12 for operation, and the DC/AC conversion module 12 converts the high-voltage direct current into a high-voltage alternating current and transmits the high-voltage alternating current to an external alternating current phase line;
the CPU module 8 is used for controlling the PWM module 4 to output a PWM driving signal to the gate of the MOSFET2 so as to control the on and off of the MOSFET 2; when the charging loop is conducted, the CPU module 8 controls the current of the charging loop according to the voltage data and the current data; when the discharging loop is turned on, the CPU module 8 controls the boosting module 11 to start boosting after receiving the discharging instruction.
The working principle of the utility model is as follows:
and (3) charging process:
the input module 9 selects charging, the 12V storage battery 13 is charged, when the CPU module 8 receives a charging instruction, the power module 1 outputs low-voltage direct current after carrying out a series of rectification, voltage reduction, filtering and voltage stabilization on civil 220V high-voltage alternating current commercial power, and the CPU module 8 controls the frequency of the PWM module 4 to enable the low-voltage direct current to be secondarily reduced to 12V, so that the storage battery is charged. Meanwhile, the CPU module 8 outputs a control signal to the PWM module 4 according to the voltage data acquired by the voltage acquisition module 6 and the current data acquired by the current acquisition module 5, the PWM module 4 outputs a corresponding PWM driving signal to the MOSFET2, and the conduction angle of the MOSFET2 is controlled, so that the purpose of controlling the charging current is achieved, and the impact of instantaneous high-current charging on the storage battery 13 is avoided. When the storage battery 13 is in a fully charged state, the CPU module 8 controls the PWM driving signal to turn off the MOSFET2, and stops charging the storage battery 13, so that the storage battery 13 is in a dormant state, and damage caused by long-time floating charge is avoided.
And (3) discharging:
after the input module 9 selects to discharge, the 12V storage battery 13 is subjected to a discharging operation, and the CPU module 8 receives a discharging instruction, the CPU module 8 controls the boosting module 11 to boost the low-voltage direct current of the 12V storage battery 13 to a high-voltage direct current capable of meeting the work of the DC/AC conversion module 12 according to the voltage data acquired by the voltage acquisition module 6 and the current data acquired by the current acquisition module 5, and the DC/AC conversion module 12 inverts the received high-voltage direct current into an alternating current meeting the grid-connection requirement and transmits the alternating current to an external alternating current phase line, so as to achieve the purpose of feeding back the discharging electric energy to the power grid. When the discharge voltage is lower than the set lower limit value, the discharge is stopped, and the internal structure of the storage battery 13 is prevented from being damaged by over-discharge.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (8)
1. A civil charge-discharge device is characterized by comprising a power supply module, a MOSFET, an inductor, a PWM module, a display module, an input module, a CPU module, a current transformer, a voltage acquisition module, a current acquisition module, a DC/AC conversion module and a boosting module;
the power module, the MOSFET, the inductor and the current transformer are sequentially connected in series to form a charging loop of the storage battery;
the boosting module and the DC/AC conversion module are connected in series to form a discharge loop of the storage battery;
one end of the PWM module is connected with the grid electrode of the MOSFET, and the other end of the PWM module is connected with the CPU module;
the voltage acquisition module is connected with the storage battery and the CPU module and is used for acquiring voltage data of the storage battery during charging and discharging and transmitting the voltage data to the CPU module;
the current acquisition module is connected with the current transformer and the CPU module and is used for acquiring current data during charging and discharging of the storage battery and transmitting the current data to the CPU module;
the input module is connected with the CPU module and is used for inputting a charging or discharging instruction to the CPU module;
the display module is connected with the CPU module and is used for displaying the charging and discharging states of the storage battery;
the boosting module is connected with the CPU module and used for boosting low-voltage direct current output by the storage battery to high-voltage direct current capable of meeting the requirement of the work of the DC/AC conversion module, and the DC/AC conversion module converts the high-voltage direct current into high-voltage alternating current and transmits the high-voltage alternating current to an external alternating current phase line;
the CPU module is used for controlling the PWM module to output PWM driving signals to the grid electrode of the MOSFET so as to control the on and off of the MOSFET; when the charging loop is conducted, the CPU module controls the current of the charging loop according to the voltage data and the current data; when the discharging loop is conducted, the CPU module controls the boosting module to start boosting after receiving a discharging instruction.
2. The civil charge and discharge device as defined in claim 1, wherein the secondary battery is a 12V secondary battery.
3. The domestic charge and discharge device according to claim 1, wherein said battery comprises but is not limited to lead-acid battery, lithium battery, nickel-hydrogen battery.
4. The civil charging and discharging device as claimed in claim 1, wherein the power module is an AC/DC notebook power module, and after the AC/DC notebook power module converts the high-voltage AC mains supply into the low-voltage DC power, the CPU module controls the frequency of the PWM module to reduce the voltage of the low-voltage DC power for a second time, so as to charge the battery.
5. The civil charge and discharge device according to claim 1, wherein the boost module is a push-pull boost module.
6. The civil charge and discharge device according to claim 1, wherein the display module includes but is not limited to a display.
7. The civil charge and discharge device according to claim 1, wherein the input module includes but is not limited to a keyboard.
8. The civil charge and discharge device according to claim 6 or 7, wherein the display module and the input module are included on the same touch display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921808096.9U CN210669605U (en) | 2019-10-25 | 2019-10-25 | Civil charging and discharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921808096.9U CN210669605U (en) | 2019-10-25 | 2019-10-25 | Civil charging and discharging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210669605U true CN210669605U (en) | 2020-06-02 |
Family
ID=70815959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921808096.9U Active CN210669605U (en) | 2019-10-25 | 2019-10-25 | Civil charging and discharging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210669605U (en) |
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2019
- 2019-10-25 CN CN201921808096.9U patent/CN210669605U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230915 Address after: Room 301, Building H3, No. 39 Ruihe Road, Huangpu District, Guangzhou City, Guangdong Province, 510700 Patentee after: Guangzhou Honghuai Energy Service Co.,Ltd. Address before: 510663 third floor, H3, Nagin science and Technology Park, 39 Ruihe Road, Huangpu District, Guangzhou, Guangdong Patentee before: GUANGZHOU HONGHUAI ENERGY TECHNOLOGY CO.,LTD. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A civilian charging and discharging device Effective date of registration: 20231201 Granted publication date: 20200602 Pledgee: Gu Chunhua Pledgor: Guangzhou Honghuai Energy Service Co.,Ltd. Registration number: Y2023980068864 |