CN216819482U - Multi-mode power converter - Google Patents
Multi-mode power converter Download PDFInfo
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- CN216819482U CN216819482U CN202220386629.4U CN202220386629U CN216819482U CN 216819482 U CN216819482 U CN 216819482U CN 202220386629 U CN202220386629 U CN 202220386629U CN 216819482 U CN216819482 U CN 216819482U
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Abstract
The utility model relates to a multi-mode power converter. The utility model comprises a box body, wherein a multi-mode inversion unit, a clamp type low-temperature charging unit and a slot charging unit are arranged in the box body, and the multi-mode inversion unit converts alternating current and direct current with different voltage grades into single-phase power frequency alternating current with AC230V and 50Hz and rated power of 1 kW; the clamp type low-temperature charging unit provides centralized batch charging for the matched lithium batteries through the adapter, provides a heating and heat-preserving function and provides guarantee for low-temperature charging; the slot type charging unit provides centralized batch charging for the matched lithium batteries through the embedded slot. The utility model can convert alternating current and direct current with different voltage grades into single-phase power frequency (230V, 50Hz) alternating current, and can ensure centralized batch charging and low-temperature charging of various batteries of handheld, portable and other equipment for communication, command, observation and reconnaissance and the like.
Description
Technical Field
The utility model relates to the field of power supply, in particular to a multi-mode power converter.
Background
In the field environment, various electronic equipment mainly rely on fuel generating sets and primary batteries to provide power guarantee. Due to the lack of systematic planning research and new energy application, the problems of poor universality of electrical interfaces of different electronic equipment, non-uniform voltage requirements, low battery efficiency, waste of equipment resources and the like are prominent. In the training process, in order to meet the power requirements of various electronic equipment and simplify the types of power supply equipment, the electric energy which is concentrated, efficient and suitable for various alternating current and direct current equipment is provided, and the electric energy is particularly important.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a multi-mode power converter which can convert alternating current and direct current with different voltage grades into single-phase power frequency (230V, 50Hz) alternating current to ensure centralized batch charging and low-temperature charging of various batteries of handheld, portable and other equipment for communication, command, observation, reconnaissance and the like.
The technical solution of the utility model is as follows: the utility model relates to a multi-mode power converter, which is characterized in that: the multi-mode power converter comprises a box body, wherein a multi-mode inversion unit, a clamp type low-temperature charging unit and a slot charging unit are arranged in the box body, and the multi-mode inversion unit converts alternating current and direct current with different voltage grades into single-phase power-frequency alternating current with the power rating of 1kW and the alternating current of AC230V and 50 Hz; the clamp type low-temperature charging unit provides centralized batch charging for the matched lithium batteries through the adapter, provides a heating and heat-preserving function and provides guarantee for low-temperature charging; the slot type charging unit provides centralized batch charging for the matched lithium batteries through the embedded slot.
The multi-mode inversion unit comprises a power-off source, a DC-DC converter, a booster circuit, an inversion circuit, a logic control circuit and a display interface, wherein the power-off source, the display interface and the DC-DC converter are all connected with the logic control circuit, and the logic control circuit is respectively connected with the booster circuit and the transformer circuit.
The clamp type low-temperature charging unit circuit comprises a switching power supply, a 2-path quick charging circuit, a standard charging interface, a logic control circuit and a display interface; the fast charging circuit, the standard charging interface and the display interface are all connected with the logic control circuit, and the switching power supply is respectively connected with the 2-path fast charging circuit, the standard charging interface and the logic control circuit.
The clamp type low-temperature charging unit circuit further comprises a thermostat circuit, the thermostat circuit is connected with the logic control circuit, the thermostat circuit comprises a temperature sensor, a heating wire and a relay, the temperature sensor is connected with the logic control circuit, the logic control circuit is connected with the relay, and the relay is connected with the heating wire.
The slot type charging unit comprises a switching power supply, a TBP316 quick charging circuit, a 18650 quick charging circuit, a logic control circuit and a display interface; the TBP316 quick charging circuit, the 18650 quick charging circuit and the display interface are all connected with the logic control circuit, and the switching power supply is respectively connected to the TBP316 quick charging circuit, the 18650 quick charging circuit and the logic control circuit.
The slot type charging unit also comprises a TBP0306 quick charging interface circuit, a TBP0307 quick charging circuit, a DDZ-01 quick charging interface circuit and a 7.2V/4Ah direct current output circuit, wherein the TBP0306 quick charging circuit, the TBP0307 quick charging circuit, the DDZ-01 quick charging circuit and the 7.2V/4Ah direct current output circuit are all connected with the logic control circuit.
The logic control circuits all adopt STC series single-chip microcomputers.
The DC-DC converters all adopt LT8390 as a conversion circuit of a control chip.
The multi-mode inversion unit comprises a box body, a switching power supply, a DC-DC converter, a booster circuit, an inversion circuit, a logic control circuit and a display interface, and is integrally arranged in the box body.
The clamp type low-temperature charging unit comprises a box body switch power supply, a quick charging circuit, a standard charging interface, a logic control circuit, a display interface and a thermostat circuit, and is arranged in the box body.
The slot type charging unit comprises a box body, wherein a TBP316 quick charging circuit, a 18650 quick charging circuit, a TBP0306 quick charging circuit, a TBP0307 quick charging circuit, a DDZ-01 quick charging circuit, a 7.2V/4Ah direct current output interface circuit, a second control circuit and a display interface are arranged in the box body.
The multi-mode power converter provided by the utility model consists of a multi-mode inversion unit, a clamp type low-temperature charging unit and a slot charging unit, can convert alternating current and direct current with different voltage grades into single-phase power frequency (230V, 50Hz) alternating current, and can perform centralized batch charging and low-temperature charging guarantee for various batteries of handheld, portable and other equipment for communication, command, observation, reconnaissance and the like. Therefore, the utility model has the following advantages:
1. the multi-mode inversion unit converts alternating current and direct current with different voltage grades into single-phase power frequency alternating current with AC230V and 50Hz and rated power of 1kW, the whole set of inversion scheme adopts a classic power electronic circuit scheme and a stable and reliable power device module, and the designed power leaves margins, so that index requirements can be met.
2. The clamp type low-temperature charging unit disclosed by the utility model provides centralized batch charging for matched lithium batteries through the adapter, provides a heating and heat-preserving function and provides guarantee for low-temperature charging.
3. The slot type charging unit provides centralized batch charging for the matched lithium batteries through the embedded slot.
4. The whole design of the utility model adopts full modular design, each sub-unit circuit module is embodied in a module form, the simple and efficient maintenance or repair process can be realized, and the disassembly and the assembly of the unit circuit module can be realized by a simple tool.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a block diagram of a multi-mode inverter unit according to the present invention;
FIG. 3 is a schematic block diagram of a multi-mode inverter unit according to the present invention;
FIG. 4 is a block diagram of a clip-type low-temperature charging unit according to the present invention;
FIG. 5 is a schematic block diagram of a clip-type low temperature charging unit according to the present invention;
fig. 6 is a block diagram of a slot-in charging unit according to the present invention;
fig. 7 is a schematic block diagram of a slot-in charging unit according to the present invention.
The reference numerals are explained below:
1. a box body; 2. a clamp type low temperature charging unit; 3. a slot-in type charging unit; 4. a multi-mode inversion unit;
21. a clamp unit case; 22. a standard charging interface; 23. a quick charging circuit 1; 24. a quick charging circuit 2;
31. a slot unit box body; 32. a TBP316 fast charge circuit; 33. a DDZ-01 fast charge circuit; 34. 7.2V/4Ah direct current output circuit; 35. TBP0307 fast charging circuit; 36. TBP0306 quick charge circuit; 37. 18650 quick charge circuit.
41. And (4) a box body.
Detailed Description
A multi-mode inversion unit:
the multi-mode inversion unit 4 needs to convert wide input alternating voltage (90V-260V AC) or low voltage direct current (9V-60V DC) into single-phase 230V AC high-voltage alternating current, wherein the rated power is 1kW when the alternating current is input. When the direct current is input, the maximum power is about 260W. Considering that the wide-range variation of the alternating-current input voltage is 90V-260V, the alternating-current input stage adopts a switching power supply with a wide voltage adaptation range. The alternating current is converted into 48V direct current. The booster circuit converts the 48V direct current into 400V direct current, and the inverter unit converts the 400V direct current into 230V alternating current. When the direct current input is connected with low-voltage direct current, the DC-DC converter converts the 9V-60V low-voltage direct current into stable direct current with about 48V through a Buck-boost (Buck + boost) type circuit, and no matter whether the circuit works in a boost mode or a Buck mode, a power semiconductor device is in a more ideal duty ratio switching state, so that the optimal electric energy conversion efficiency is favorably obtained. And finally, the power supply is connected to the booster circuit.
Referring to fig. 3, the inverter unit 4 further includes a first box 41, the inverter unit 4 is designed as a whole module, and each sub-unit circuit module is embodied in a module form and is installed in the first box 41, so that the maintenance or repair process can be easily and efficiently performed, and the unit circuit modules can be disassembled and assembled by a simple tool.
Clamp type low temperature charging unit:
referring to fig. 4, the structure of the specific embodiment of the clamp type low-temperature charging unit of the present invention is composed of 8 parts of circuits in total, which are respectively a first switching power supply, a fast charging circuit 1, a fast charging circuit 2, a standard charging interface, a thermostat circuit logic control circuit and a display interface; the fast charging circuit 1, the fast charging circuit 2, the standard charging interface, the thermostat circuit and the display interface are all connected with the logic control circuit, and the switching power supply is respectively connected with the fast charging circuit, the standard charging interface and the second logic control circuit.
The operating principle of the clamp type low-temperature charging unit 2 is as follows:
the clamp type low-temperature charging unit 2 adopts a switching power supply to convert 90-260V single-phase alternating current into about 48V direct current, and a rear-stage DC-DC converter converts the 48V low-voltage direct current into self-adaptive 3-29.4V low-voltage direct current to charge a storage battery.
The input voltage range of the switching power supply is designed to be alternating current 90V-264V, the power is designed to be 2KW, and about 100% power margin is reserved for the designed power so as to improve the use reliability of equipment.
The DC-DC converter is designed to have the input voltage range of 9-60V direct current and the output current of 4.33A, adopts a buck-boost circuit and adopts a conversion circuit with LT8390 as a control chip. The output is supplied to the quick charging circuit.
The constant temperature box circuit comprises temperature sensor, heater strip (or cement power resistance), relay, accomplishes the heating function to the storehouse of charging, heating power 100 ~ 200W. The temperature sensor is connected with the logic control circuit, the logic control circuit is connected with the relay, and the relay is connected with the heating wire.
The logic control circuit adopts an STC series single chip microcomputer to complete the acquisition and control of the electric parameters of the 6-way standard charging interface and the quick charging circuit, and the charging state is displayed on a display interface.
Referring to fig. 5, the clamp type low-temperature charging unit 2 further comprises a second box body 21, the overall design of the clamp type low-temperature charging unit adopts a full-modular design, each sub-unit circuit module is embodied in a module form, and the 6-way quasi-charging interface 22, the first quick-charging circuit 23 and the second quick-charging circuit 24 are installed in the box body 21, so that the simple, convenient and efficient maintenance or repairing process can be realized, and the unit circuit modules can be detached and installed through a simple tool.
A slot-in charging unit:
referring to fig. 6, the structure of the embodiment of the slot-in charging unit circuit 3 of the present invention is composed of 7 circuits in total, which are respectively a third switch power supply, a TBP316 rapid charging interface circuit, a 18650 rapid charging interface circuit, a TBP0306 rapid charging interface circuit, a TBP0307 rapid charging interface circuit, a DDZ-01 rapid charging interface circuit, a 7.2V/4Ah dc output interface circuit, a logic control circuit, and a display interface. TBP316 rapid charging interface circuit, 18650 rapid charging interface circuit, TBP0306 rapid charging interface circuit, TBP0307 rapid charging interface circuit, DDZ-01 rapid charging interface circuit, 7.2V/4Ah direct current output interface circuit and display interface are all connected with logic control circuit, and switch power supply is respectively connected with TBP316 rapid charging interface circuit, 18650 rapid charging interface circuit and logic control circuit.
The operation principle of the slot-in charging unit circuit 3 is as follows:
in the slot charging unit circuit 3, the switching power supply converts 90-260V single-phase alternating current into about 48V direct current, and converts the 48V low-voltage direct current into adaptive 3-29.4V low-voltage direct current for charging the storage battery. Each charging circuit is a DC-DC converter, and each charging circuit is connected with a battery which is respectively matched with the charging circuit when being charged.
The input voltage range of the switch power supply is designed to be alternating current 90V-264V, the power is designed to be 2KW, about 100% of power margin is reserved for the designed power so as to improve the use reliability of equipment, the output is connected into 13 rear-stage charging circuits, and DC-DC converters in all the charging circuits are uniformly powered by the switch power supply.
The battery maintenance function is realized by that when the battery enters the maintenance mode, the third logic control circuit controls the battery to be connected into the resistance load for discharging, and when the discharge voltage is 2.6V, the battery is switched into the charging mode until the storage battery is fully charged
The logic control circuit adopts an STC series single chip microcomputer to complete the acquisition of inverter circuit parameters and the control of all charging circuits, and a human-computer interface completes information interaction.
Referring to fig. 7, the slot-in type charging unit 3 further includes a box 31, the overall design of the slot-in type charging unit adopts a full modular design, each sub-unit circuit module is embodied in a module form, and the TBP316 fast charging circuit 32, the DDZ-01 fast charging circuit 33, the 7.2V/4Ah direct current output circuit 34, the TBP0307 fast charging interface circuit 35, the TBP0306 fast charging interface circuit 36 and the 18650 fast charging circuit 37 are installed in the box 31, so that the convenience and high efficiency of maintenance or repair process can be realized, and the unit circuit modules can be detached and installed by a simple tool.
The present invention and the technical contents not specifically described in the above embodiments are the same as the prior art.
The above embodiments are only specific embodiments disclosed in the present invention, but the scope of the present invention is not limited thereto, and the scope of the present invention disclosed in the present invention should be subject to the scope of the claims.
Claims (10)
1. A multi-mode power converter, comprising: the multi-mode power converter comprises a box body, wherein a multi-mode inversion unit, a clamp type low-temperature charging unit and a slot type charging unit are arranged in the box body, and the multi-mode inversion unit converts alternating current and direct current with different voltage grades into single-phase power frequency alternating current with the power rating of 1kW and the alternating current and direct current with the voltage grades of AC230V and 50 Hz; the clamp type low-temperature charging unit provides centralized batch charging for the matched lithium batteries through the adapter, provides a heating and heat-preserving function and provides guarantee for low-temperature charging; the slot type charging unit provides centralized batch charging for the matched lithium batteries through the embedded slot.
2. The multi-mode power converter of claim 1, wherein: the multi-mode inversion unit comprises a switching power supply, a DC-DC converter, a booster circuit, an inversion circuit, a logic control circuit and a first display interface, wherein the switching power supply, the display interface and the DC-DC converter are all connected with the first logic control circuit, the first logic control circuit is respectively connected with the booster circuit and the transformer circuit, and the booster voltage is connected to the inversion circuit.
3. The multi-mode power converter of claim 2, wherein: the clamp type low-temperature charging unit circuit comprises a switching power supply, a quick charging circuit 1, a quick charging circuit 2, a standard charging interface, a logic control circuit and a display interface; the fast charging circuit 1, the fast charging circuit 2, the standard charging interface and the display interface are all connected with the logic control circuit, and the switching power supply is respectively connected to the fast charging circuit, the standard charging interface and the logic control circuit.
4. The multi-mode power converter of claim 3, wherein: the fixture type low-temperature charging unit circuit further comprises a thermostat circuit, the thermostat circuit is connected with the logic control circuit, the thermostat circuit comprises a temperature sensor, a heating wire and a relay, the temperature sensor is connected with the logic control circuit, the logic control circuit is connected with the relay, and the relay is connected with the heating wire.
5. The multi-mode power converter of claim 4, wherein: the slot type charging unit comprises a switching power supply, a TBP316 quick charging interface circuit, a 18650 quick charging interface circuit, a logic control circuit and a display interface; the TBP316 rapid charging interface circuit, the 18650 rapid charging interface circuit and the display interface are all connected with the logic control circuit, and the switch power supply is respectively connected to the TBP316 rapid charging circuit, the 18650 rapid charging circuit and the logic control circuit.
6. The multi-mode power converter of claim 5, wherein: the slot-type charging unit further comprises a TBP0306 rapid charging interface circuit, a TBP0307 rapid charging interface circuit, a DDZ-01 rapid charging interface circuit and a 7.2V/4Ah direct-current output interface circuit, wherein the TBP0306 rapid charging interface circuit, the TBP0307 rapid charging interface circuit, the DDZ-01 rapid charging interface circuit and the 7.2V/4Ah direct-current output interface circuit are all connected with a logic control circuit.
7. The multi-mode power converter of claim 6, wherein: the first logic control circuit, the logic control circuit and the logic control circuit all adopt STC series single-chip microcomputers.
8. The multi-mode power converter of claim 7, wherein: the DC-DC converters all adopt LT8390 as a conversion circuit of a control chip.
9. The multi-mode power converter of claim 8, wherein: the multi-mode inversion unit further comprises a box body, the switch power supply, the DC-DC converter, the booster circuit, the inversion circuit, the logic control circuit and the display interface are arranged in the inversion unit box body, the clamp type low-temperature charging unit further comprises a clamp charging unit box body, the switch power supply, the quick charging circuit 1, the quick charging circuit 2, the standard charging interface, the DC-DC converter, the logic control circuit, the display interface and the thermostat circuit are arranged in the clamp unit box body, the slot type charging unit further comprises a slot unit box body, and the TBP316 quick charging circuit, the 18650 quick charging circuit, the TBP0306 quick charging circuit, the TBP0307 quick charging circuit, the DDZ-01 quick charging circuit, the 7.2V/4Ah direct current output interface circuit, the logic control circuit and the display interface are arranged in the slot unit box body.
10. The multi-mode power converter of claim 9, wherein: the inverter unit switching power supply, the DC-DC converter, the booster circuit, the inverter circuit, the logic control circuit, the display interface, the switching power supply of the clamp charging unit and the slot type charging unit, the quick charging circuit 1, the quick charging circuit 2, the standard charging interface, the DC-DC converter, the logic control circuit, the display interface, the thermostat circuit, the TBP316 quick charging circuit, the 18650 quick charging circuit, the TBP0306 quick charging circuit, the TBP0307 quick charging circuit, the DDZ-01 quick charging circuit and the 7.2V/4Ah direct current output circuit all adopt a module form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220386629.4U CN216819482U (en) | 2022-02-26 | 2022-02-26 | Multi-mode power converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220386629.4U CN216819482U (en) | 2022-02-26 | 2022-02-26 | Multi-mode power converter |
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| Publication Number | Publication Date |
|---|---|
| CN216819482U true CN216819482U (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220386629.4U Active CN216819482U (en) | 2022-02-26 | 2022-02-26 | Multi-mode power converter |
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| CN (1) | CN216819482U (en) |
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- 2022-02-26 CN CN202220386629.4U patent/CN216819482U/en active Active
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Denomination of utility model: Multimode power converter Effective date of registration: 20230705 Granted publication date: 20220624 Pledgee: Xi'an Caijin Financing Guarantee Co.,Ltd. Pledgor: Shaanxi Zizhu Industry Co.,Ltd. Registration number: Y2023610000527 |