CN206004393U

CN206004393U - A kind of emergency starting power supply of 12V and 24V dual output

Info

Publication number: CN206004393U
Application number: CN201620736814.6U
Authority: CN
Inventors: 秦晶
Original assignee: XINYIZHE ELECTRONIC TECH Co Ltd SUZHOU
Current assignee: XINYIZHE ELECTRONIC TECH Co Ltd SUZHOU
Priority date: 2016-07-13
Filing date: 2016-07-13
Publication date: 2017-03-08
Anticipated expiration: 2026-07-13

Abstract

The utility model discloses a kind of emergency starting power supply of 12V and 24V dual output, including housing, handle, battery pack, positive binding post and negative binding post, charging inlet, electric switch, switching switch is provided with the housing, and switching switch is with 12V output, three output states of 24V output and open circuit.Battery pack is provided with heating arrangements.The emergency starting power supply of the 12V and 24V dual output that the utility model is provided, by being switched by electrical connection to battery unit, reach the purpose of 12V and 24V dual output, meet the emergency starting demand of various automobiles, the emergency starting power supply can achieve large current charge and low-temperature prewarming electric discharge, emergency starting power supply is made to have bigger low temperature adaptability and convenience, while improving the service life of emergency power supply.

Description

A kind of emergency starting power supply of 12V and 24V dual output

Technical field

The utility model is related to emergency starting power supply, and in particular to a kind of emergency starting power supply of 12V and 24V dual output, Belong to automobile power source technical field.

Background technology

Various customs in routine use may cause automobile batteries power shortage, lead to not start automobile；Automobile storage battery Lead-acid battery is typically adopted, and as temperature reduces, battery-active declines rapidly, and electricity also declines therewith, especially colder The north, automobile after chill night, get up by possible morning, cannot equally start automobile.Emergency power supply is due to fine Solve this problem, be commercially available rapid popularization, but automobile starting supply voltage have 12V and two kinds of 24V, the former It is used on petrol power car, two the latter are most to be used on truck or diesel car, adopts emergency power supply on the market more more The design of single output voltage, this results in emergency power supply purposes and is greatly reduced, and usage frequency is low, due to the characteristic of lithium battery, typically It is advisable in the capacity long-term storage of 60%-70%, this is resulted under arctic weather, actual not enough power supply, it is impossible to start vapour The problem of car, and interim to emergency power supply charging, and normal charge electric current is little, and efficiency is slow, it is impossible to accomplish Emergency use, and due to big When electric current charges, battery-heating is serious, if not doing requisite measure, also produces harmful effect to battery life.Having on the market can With the product of output voltage switching, but due to above reason, cause 12V shelves for normally using, and 24V be due to not enough power supply, Often emergency starting effect is unsatisfactory.

Utility model content

For solving above-mentioned technical problem, the utility model provides a kind of emergency starting power supply of 12V and 24V dual output, By to battery unit by simple electrical connection switching, you can reach the purpose of 12V and 24V dual output, the emergency starting Power supply can achieve large current charge and low-temperature prewarming electric discharge, make emergency starting power supply have bigger low temperature adaptability and convenient Property, while improving the service life of emergency power supply.

For reaching above-mentioned purpose, the technical solution of the utility model is as follows：A kind of emergency starting of 12V and 24V dual output Power supply, including housing, arranges handle on the housing, is arranged on the battery pack of the enclosure interior, is arranged on the shell Positive binding post and negative binding post, setting on body is used for the charging inlet for charging on the housing, is arranged on the shell Electric switch on body, is additionally provided with the switching switch switched for output voltage on the housing, and the switching switch is Three output switch of DPDT, with 12V output, three output states of 24V output and open circuit, the battery pack includes at least two The 12V battery unit of group or even number number, the first battery unit positive pole are connected with the positive binding post, at the same with institute The one of binding post connection of switching switch 12V output shelves is stated, the first battery unit negative pole is opened with the switching switch The one of binding post connection of road shelves, the second battery unit positive pole export shelves other in which binding post with the 12V Connection, the second battery unit negative pole are connected with described open circuit another binding post of shelves, the switching switch 24V shelves wiring Terminal is connected by wire.

Preferably, the battery pack is ternary lithium battery or is ferric phosphate lithium cell.

Preferably, also include battery protection module, the battery protection module is used for battery pack overshoot to be protected, crosses and put And balance protection.

Preferably, the battery pack includes the array of some connection in series-parallel composition, and the battery pack is embedded in and is provided with electricity On the support of pond groove void, the support is matched with the battery, arranges hole on the bracket, and described hole is from described Support one end is provided with heating rod along extending to the other end with the axially in parallel direction of the groove void in described hole, described plus Hot pin is arranged in parallel.

Preferably, the support two ends are provided with felt pad, the felt pad is matched with the support section configuration.

Preferably, the support is thermal conductive metallic material.

Preferably, also include heater switch, described heater switch one end is connected with the battery anode, the other end and institute The connection of heating rod positive pole is stated, the heating rod negative pole is connected with the battery electrode.

Preferably, also include display screen, the display screen is arranged on the housing side, the display screen is used for showing institute State battery voltage and charge value.

Compared with prior art, the beneficial effects of the utility model are:

1., due to possessing the switching of 12V and 24V output voltage, the emergency starting of nearly all automobile can be met；Use lithium battery Used as the source of welding current, energy density is high, can possess excellent endurance, can meet in equipment under less volume weight Multiple emergency starting demand.

2., as the support that makes using heat-conducting metal is come self-contained battery, intensity and the security of battery pack had both been improve, Simultaneously because the easy thermal conductivity of metal, the effect having in large current charge to battery radiating, make emergency power supply in low use Have convenience and longer cycle life under the frequency concurrently.

3., due to being provided with the heating rod of preheating in metallic support, in the environment of low temperature, heating rod is first to battery Group is uniform to be preheated, and in warm, in lithium battery, lithium ion is quickly activated, and capacity returns normal level, improves emergency starting Success rate, it is to avoid lithium battery is at low ambient temperatures.

4., as emergency power supply can be deposited with 60% electricity at ordinary times, the service life of lithium battery can be greatly prolonged, is carried The economy of high emergency power supply.

Description of the drawings

For the technical scheme being illustrated more clearly that in the utility model embodiment technology, embodiment technology will be retouched below Needed for stating, accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only the utility model Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis These accompanying drawings obtain other accompanying drawings.

Fig. 1 is the utility model structural scheme of mechanism

Fig. 2 is the utility model supporting structure schematic diagram

Fig. 3 switches schematic diagram for PTC battery cell voltage

Fig. 4 is the utility model internal structure schematic diagram

Wherein, 1 is positive binding post, and 2 for bearing binding post, and 3 is switching switch, and 4 is charging inlet, and 5 is heater switch, 6 is display module, and 7 is electric switch, and 8 is handle, and 9 is housing, and 10 is battery protection module, and 11 is support, and 12 is battery, 13 Heating rod, 14 is felt pad, and 16 is battery pack, and 21 is the first battery unit, and 22 is the second battery unit, and 23 is 24V shelves, and 24 are Open circuit shelves, 25 is 12V shelves；

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of the utility model protection.

Embodiment

As Figure 1-4, a kind of emergency starting power supply of 12V and 24V dual output, including housing 9, is provided with housing 9 Handle 8, is provided with positive binding post 1 and negative binding post 2 and charging inlet 4, the electricity being arranged on housing 9 on housing 9 Air cock 7, is internally provided with the galvanic battery pack 16 of offer, battery pack 16 in housing 9 and is arranged on inside housing 9, battery pack The 16 12V battery units for including two pieces of connection in series-parallel compositions, battery pack 16 for ternary lithium battery or are ferric phosphate lithium cell, for Daily low frequency time is used, and pays the utmost attention to that cycle life is relatively low, but cost advantage, volume energy are than 18650 specifications with the obvious advantage Big rate battery, the switching switch 3 being additionally provided with the housing 9 for output voltage switching, the switching switch 3 is Three output switch of DPDT, with 12V output, 24V output and open circuit three output states, 21 positive pole of the first battery unit with The positive binding post 1 connects, while being connected with the one of binding post of the 12V output shelves of switching switch 3, the first battery list First 21 negative poles are connected with the one of binding post of 3 open circuit shelves of switch that switches, and 22 negative pole of the second battery unit switchs 3 with switching 12V output shelves other in which binding post connection, 22 positive pole of the second battery unit and the open switch 3 shelves of opening a way are another Individual binding post connection, the 24V shelves binding post of switching switch 3 are connected by wire.So switching is switched in 24V shelves, the One battery unit 21 and the second battery unit 22 are to be connected in series, and composition 24V output, switching are switched in 12V shelves, the first battery Unit 21 and the second battery unit 22 are to be connected in parallel, composition 12V output；First battery unit 21 and the second battery unit 22 embedding On support 11, support 11 is matched with battery 12, and support 11 adopts the capacity of heat transmission good and the material with superior strength, excellent Metal material, more preferably aluminium alloy is selected, in order to ensure the insulation of battery and aluminium alloy, an insulation can be covered by cell peripheral again Set, is then charged into support 11, and the single battery core of the aspect ratio of support 11 is low, so can arrange felt pad 14 at 11 two ends of support, Felt pad 14 is matched with 11 section configuration of support, and support 11 coordinates, and height is just consistent with cell height, then by battery core Both positive and negative polarity is assembled by nickel strap spot welding, arranges hole on support 11, and hole is from 11 one end of support edge and 16 axle of battery pack The other end being extended to parallel direction, heating rod 13 being provided with hole, heating rod 13 is arranged in parallel.13 negative pole of heating rod with 16 negative pole of battery pack connects.Heater switch 5 is provided between 13 positive pole of heating rod and 16 positive pole of battery pack, for controlling heating rod 13 energising, at low temperatures, can open heater switch 5, battery pack 16 is preheated, and heating rod 13 is joined with aluminium alloy post 11 Close, be heated evenly each battery core of battery pack 16, after heating a period of time, battery core temperature rises, lithium ion activity rises, electric discharge Ability recovers normal, quickly car emergency can be started.

Due to lithium battery characteristic, full electricity storage can be had a negative impact to service life of lithium battery, be more suitable for 60% or so electricity Long-term storage, automobile starting power supply are relatively low due to frequency of usage, during unexpected Emergency use, after shelving for a long time, lithium ion activity drop Low, it is not enough to sometimes start automobile, at this moment external charger is connected by the charging inlet 4 on housing 9, quickly filled with high current Electricity, can select the charging current of 10A-50A according to actual conditions, can activate lithium ion activity, while quick at short notice Supplement 16 electricity of battery pack, charging process pass through battery protection module 10, battery protection module 10 be used for protect battery 12 to overshoot, Cross and put and balance protection.In the case of large current charge, lithium battery has obvious temperature rise, if temperature is too high, to lithium battery Capacity causes irreversible reduction, and aluminium alloy post 11 quickly can conduct the heat for accumulating in lithium battery interior to battery pack 16 Periphery, reaches the purpose of radiating, and power supply closes the cover plate, cover plate and 9 flush with outer surface of housing in preheating, muddy in appearance So integrally.

Additionally, being provided with display screen 6 in 9 side of housing, display screen 6 is used for showing 16 voltage of battery pack and dump energy Value.It is easy to slap power supply real-time status.

The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality Type.Multiple modifications to these embodiments will be apparent for those skilled in the art, be determined herein The General Principle of justice can be realized in the case of without departing from spirit or scope of the present utility model in other embodiments.Cause This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The most wide scope consistent with features of novelty.

Claims

1. a kind of emergency starting power supply of 12V and 24V dual output, including housing, arranges handle on the housing, is arranged on The battery pack of the enclosure interior, positive binding post on the housing and negative binding post are set, are arranged on the housing On for the charging inlet that charges, electric switch on the housing is set, it is characterised in that：Also set up on the housing The switching switch having for output voltage switching, the switching switch is three output switch of DPDT, with 12V output, 24V Three output states of output and open circuit, the battery pack include the 12V battery unit of at least two groups or even number number, the first electricity Pool unit positive pole is connected with the positive binding post, while switch the one of binding post of 12V output shelves with the switching connecting Connect, the first battery unit negative pole is connected with the one of binding post of the switching switch open shelves, and the second battery unit is just Pole is connected with 12V output shelves other in which binding post, and the second battery unit negative pole is another with the open circuit shelves Individual binding post connection, the switching switch 24V shelves binding post are connected by wire.

2. the emergency starting power supply of a kind of 12V and 24V dual output according to claim 1, it is characterised in that：The battery Organize for ternary lithium battery or for ferric phosphate lithium cell.

3. the emergency starting power supply of a kind of 12V and 24V dual output according to claim 2, it is characterised in that：Also include electricity Pond protection module, the battery protection module are used for the battery pack overshoot, cross and put and balance protection.

4. the emergency starting power supply of a kind of 12V and 24V dual output according to claim 1, it is characterised in that：The battery Group includes the array of some connection in series-parallel composition, and the battery pack is embedded on the support for being provided with battery groove void, the support Match with the battery, hole is set on the bracket, described hole is from described support one end edge and the groove void axle The other end is extended to parallel direction, in described hole, heating rod is provided with, the heating rod is arranged in parallel.

5. the emergency starting power supply of a kind of 12V and 24V dual output according to claim 4, it is characterised in that：At described Frame two ends are provided with felt pad, and the felt pad is matched with the support section configuration.

6. the emergency starting power supply of a kind of 12V and 24V dual output according to claim 5, it is characterised in that：The support For thermal conductive metallic material.

7. the emergency starting power supply of a kind of 12V and 24V dual output according to claim 6, it is characterised in that：Also include plus Thermal switch, described heater switch one end are connected with the battery anode, and the other end is connected with the heating rod positive pole, described plus Hot pin negative pole is connected with the battery electrode.

8. the emergency starting power supply of a kind of 12V and 24V dual output according to claim 1, it is characterised in that：Also include to show Display screen, the display screen are arranged on the housing side, and the display screen is used for showing the battery voltage and charge value.