CN221103051U - Portable 24V high-power ultralow-temperature emergency starting power supply - Google Patents
Portable 24V high-power ultralow-temperature emergency starting power supply Download PDFInfo
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- CN221103051U CN221103051U CN202323016722.XU CN202323016722U CN221103051U CN 221103051 U CN221103051 U CN 221103051U CN 202323016722 U CN202323016722 U CN 202323016722U CN 221103051 U CN221103051 U CN 221103051U
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- 239000003990 capacitor Substances 0.000 claims abstract description 32
- 238000007599 discharging Methods 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052744 lithium Inorganic materials 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Abstract
The utility model discloses a portable 24V high-power ultralow-temperature emergency starting power supply, which comprises a battery module and a supercapacitor module which are connected in parallel, wherein a charging relay and an input control module for controlling the charging relay to be opened and closed are arranged at the charging ends of the battery module and the supercapacitor module, an output anti-reverse connection module is arranged at the discharging ends of the battery module and the supercapacitor module, the portable 24V high-power ultralow-temperature emergency starting power supply further comprises a control management module, a display module, a communication module, a battery management module and a capacitor management module which are electrically connected with the battery module, the control management module is electrically connected with the input control module, the battery management module is electrically connected with the battery module, and the capacitor management module is electrically connected with the supercapacitor module. The emergency starting power supply disclosed by the utility model fully integrates the characteristics of high instantaneous discharge power of the super capacitor and high energy density of the lithium battery, realizes that the instantaneous discharge current is more than 3000A, and can supply power and preheat equipment for a long time.
Description
Technical Field
The utility model relates to the field of emergency starting power supplies, in particular to a portable 24V high-power ultralow-temperature emergency starting power supply in the field.
Background
The emergency starting power supply is mainly used for emergency starting of equipment such as common vehicles, walking chariot, armored vehicles and the like, and when the starting battery is low in power consumption or low-temperature severe environment starting capability is poor, an engine of a guarantee object is started.
At present, in the field of high-power emergency starting power supplies, starting power supplies based on an alternating current-direct current conversion technology are mostly adopted, and the starting power supplies need to be supplied with energy by an alternating current power grid and can only be used in fixed occasions, and can not meet the condition of a field non-power grid or be used in a mobile mode.
With the development of high-rate lithium battery technology, many portable emergency starting power supplies appear in the civil market, and although the portable emergency starting power supplies can meet the requirements of users under certain environmental conditions, the following disadvantages also exist:
1. The capacity is small: the energy density is relatively low, the capacity is generally smaller than 10Ah, the armored vehicle generally requires equipment to be heated before starting, and the lower capacity often cannot meet the requirement of equipment heating;
2. Low temperature performance is poor: the working temperature range of the product is-10 ℃ to +55 ℃, the internal resistance of the lithium battery is increased, the discharging capacity is greatly reduced, the starting failure can occur, and the product is not suitable for military products requiring high reliability and high safety;
3. The discharge power is relatively small: the peak discharge current is typically less than 1000A and cannot be used for emergency starting of high power equipment.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a portable 24V high-power ultralow-temperature emergency starting power supply.
In order to solve the technical problems, the utility model adopts the following technical scheme:
A portable 24V high power ultra low temperature emergency starting power supply, which is improved in that: the battery module and the super capacitor module are connected in parallel, a charging relay and an input control module for controlling the charging relay to be opened and closed are arranged at the charging end of the battery module and the super capacitor module, an output reverse connection preventing module is arranged at the discharging end of the battery module and the super capacitor module, the battery module further comprises a control management module, a display module, a communication module, a battery management module and a capacitor management module which are electrically connected with the control management module, the control management module is electrically connected with the input control module, the battery management module is electrically connected with the battery module, and the capacitor management module is electrically connected with the super capacitor module.
Further, the battery module and the super capacitor module are connected in parallel to form a hybrid module, and the positive electrode of the hybrid module is electrically connected with the contact negative electrode of the charging relay and the input end of the output reverse connection preventing module.
Further, the output anti-reverse connection module comprises a discharge relay and a discharge control module for controlling the opening and closing of the discharge relay, the discharge control module is electrically connected with the control management module, the output anti-reverse connection module further comprises a diode with the positive electrode connected with the negative electrode of the discharge end and the negative electrode connected with the positive electrode of the discharge end, the light emitting diode side of the optocoupler is electrically connected with the diode, the triode side control management module outputs a reverse connection signal, and the output anti-reverse connection signal is electrically connected with the reverse connection indicator lamp through the MOS tube.
Further, a current acquisition module I is arranged at the charging end of the battery module and the super capacitor module, a current acquisition module II is arranged at the discharging end of the battery module and the super capacitor module, and the current acquisition module I and the current acquisition module II are respectively and electrically connected with the control management module.
Further, a power indicator, a working state indicator, a mode selection button, a charging and communication interface, a discharging end anode and a discharging end cathode are arranged on a front panel of the emergency starting power supply.
Further, the mode selection button has three steps of charge, discharge and stop.
The beneficial effects of the utility model are as follows:
The emergency starting power supply disclosed by the utility model fully integrates the characteristics of high instantaneous discharge power of the super capacitor and high energy density of the lithium battery, realizes that the instantaneous discharge current is more than 3000A, and can supply power and preheat equipment for a long time; the high-temperature discharge performance and the low-temperature discharge performance are good, and the normal operation can be realized within the temperature range of-43 ℃ to 55 ℃; the weight is light, the carrying is convenient, and the use in the field environment is facilitated; simple structure and convenient maintenance.
Drawings
FIG. 1 is an electrical schematic diagram of an emergency start power supply as disclosed in example 1 of the present utility model;
FIG. 2 is an electrical schematic diagram of an output anti-reverse module in the emergency starting power supply disclosed in embodiment 1 of the present utility model;
FIG. 3 is a schematic diagram of the internal structure of the emergency starting power supply disclosed in embodiment 1 of the present utility model;
Fig. 4 is a schematic view of a front panel of the emergency starting power supply disclosed in embodiment 1 of the present utility model.
Description of the embodiments
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Embodiment 1, as shown in fig. 1, this embodiment discloses a portable 24V high-power ultralow temperature emergency starting power supply, including battery module 1 and super capacitor module 2 that are connected in parallel together, set up charging relay S1 and control charging relay switching' S input control module 3 at the charging end of battery module and super capacitor module, set up output anti-reverse connection module 4 at the discharging end of battery module and super capacitor module, still include control management module 5 and display module 6, communication module 7, battery management module 8, electric capacity management module 9 that are connected rather than the electricity, control management module still is connected with foretell input control module electricity, battery management module is connected with the battery module electricity, electric capacity management module is connected with super capacitor module electricity.
The capacitor management module and the battery management module are respectively responsible for collecting the voltage and the temperature of the super capacitor module and the battery module, and transmitting fault information to the control management module when abnormality occurs; the control management module controls the discharge control module and the input control module to work according to the state information of the battery and the super capacitor, and transmits the information to the display module, and the communication module is responsible for debugging and communication with the charger.
The battery module and the super capacitor module are connected in parallel to form a hybrid module, and the positive electrode of the hybrid module is electrically connected with the contact negative electrode of the charging relay and the input end of the output reverse connection preventing module.
As shown in fig. 2, the output anti-reverse connection module comprises a discharge relay K1 and a discharge control module 41 for controlling the opening and closing of the discharge relay, the discharge control module is electrically connected with the control management module, the output anti-reverse connection module further comprises a diode D1, the anode of which is connected with the anode of the discharge end, the cathode of which is connected with the anode of the discharge end, the light emitting diode side of the optocoupler U1 is electrically connected with the diode, and the triode lateral control management module outputs a reverse connection signal and is electrically connected with a reverse connection indicator lamp D2 through a MOS tube Q1.
The charging end of the battery module and the charging end of the super capacitor module are provided with a current acquisition module I10, the discharging end of the battery module and the discharging end of the super capacitor module are provided with a current acquisition module II11, and the current acquisition module I and the current acquisition module II are respectively and electrically connected with the control management module. The current acquisition module I is used for acquiring charging current, and the current acquisition module II is used for acquiring discharging current.
As shown in fig. 3 and 4, a power indicator 12, an operating status indicator 13, a mode selection button 14, a charging and communication interface 15, a discharge end positive electrode 16 and a discharge end negative electrode 17 are provided on the front panel of the emergency starting power supply. The mode selection button has three steps of charging, discharging and stopping.
The working states of the emergency starting power supply disclosed by the embodiment are divided into a charging mode and a discharging mode, and the working states can be set through a mode selection button on a front panel. When the charging mode is set, self-checking is performed first, and if the operation of each module is not abnormal, the control management module controls the input control module to close the charging relay S1, charging is started, and charging is stopped after the charging stop condition is reached.
When the discharging mode is set, self-checking is firstly carried out, in the process, the output reverse connection prevention module starts to work, when a user correctly connects the positive electrode and the negative electrode of the discharging end of the emergency starting power supply to the positive electrode and the negative electrode of the starting storage battery of the equipment, the light emitting diode side of the optical coupler U1 has no current passing through due to the existence of the diode D1, the triode side of the optical coupler U1 is cut off, the potential difference V GS =0 between the grid electrode and the source electrode of the MOS tube Q1 is cut off, the reverse connection indicating lamp is not lightened, and meanwhile, the reverse connection signal output level is pulled high. After the discharge relay K1 is closed, the external discharge can be normally performed.
If the user fails to know the right and left poles of the starting battery due to misoperation or input of the starting battery, the positive pole and the negative pole of the discharging end of the emergency starting power supply are connected to the negative pole and the positive pole of the starting battery in an incorrect way, at the moment, the diode D1 is conducted, the current passes through the light emitting diode side of the optical coupler U1, the three-pole tube side of the light emitting diode is conducted, the potential difference V GS = -VCC between the grid electrode and the source electrode of the MOS tube Q1 is conducted, the reverse connection indicating lamp is on, meanwhile, the output level of the reverse connection signal is pulled down, and the control management module prohibits the discharge control module from closing the discharge relay K1 after receiving the reverse connection signal, so that the reverse connection accident is prevented.
If the discharge self-check is normal and the output wiring is correct, the discharge state is entered, and after the discharge is finished, the user rotates the mode selection button of the front panel to the stop state to stop the discharge.
Claims (5)
1. A portable 24V high-power ultralow-temperature emergency starting power supply is characterized in that: the battery module and the super capacitor module are connected in parallel, a charging relay and an input control module for controlling the charging relay to be opened and closed are arranged at the charging end of the battery module and the super capacitor module, an output reverse connection preventing module is arranged at the discharging end of the battery module and the super capacitor module, the battery module further comprises a control management module, a display module, a communication module, a battery management module and a capacitor management module which are electrically connected with the control management module, the control management module is electrically connected with the input control module, the battery management module is electrically connected with the battery module, and the capacitor management module is electrically connected with the super capacitor module.
2. The portable 24V high power ultra low temperature emergency start power supply of claim 1, wherein: the battery module and the super capacitor module are connected in parallel to form a hybrid module, and the positive electrode of the hybrid module is electrically connected with the contact negative electrode of the charging relay and the input end of the output reverse connection preventing module.
3. The portable 24V high power ultra low temperature emergency start power supply of claim 1, wherein: the output anti-reverse connection module comprises a discharge relay and a discharge control module for controlling the opening and closing of the discharge relay, the discharge control module is electrically connected with the control management module, the output anti-reverse connection module further comprises a cathode which is connected with a discharge end and an anode which is connected with a diode which is arranged at the positive electrode of the discharge end, the light emitting diode side of the optocoupler is electrically connected with the diode, and the triode side control management module outputs a reverse connection signal and is electrically connected with a reverse connection indicator lamp through an MOS tube.
4. The portable 24V high power ultra low temperature emergency start power supply of claim 1, wherein: the charging end of the battery module and the charging end of the super capacitor module are provided with a current acquisition module I, and the discharging end of the battery module and the discharging end of the super capacitor module are provided with a current acquisition module II which is respectively and electrically connected with the control management module.
5. The portable 24V high power ultra low temperature emergency start power supply of claim 1, wherein: the front panel of the emergency starting power supply is provided with a power supply indicator lamp, a working state indicator lamp, a mode selection button, a charging communication interface, a discharging end anode and a discharging end cathode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323016722.XU CN221103051U (en) | 2023-11-08 | 2023-11-08 | Portable 24V high-power ultralow-temperature emergency starting power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323016722.XU CN221103051U (en) | 2023-11-08 | 2023-11-08 | Portable 24V high-power ultralow-temperature emergency starting power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221103051U true CN221103051U (en) | 2024-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323016722.XU Active CN221103051U (en) | 2023-11-08 | 2023-11-08 | Portable 24V high-power ultralow-temperature emergency starting power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221103051U (en) |
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2023
- 2023-11-08 CN CN202323016722.XU patent/CN221103051U/en active Active
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