CN109038748B

CN109038748B - Portable power supply provided with heating device

Info

Publication number: CN109038748B
Application number: CN201810958305.1A
Authority: CN
Inventors: 不公告发明人
Original assignee: Shenzhen Beishite Technology Co ltd
Current assignee: Shenzhen beishite Technology Co.,Ltd.
Priority date: 2016-04-15
Filing date: 2016-04-15
Publication date: 2021-12-28
Anticipated expiration: 2036-04-15
Also published as: CN109038748A; CN109038749A; CN109038747B; CN109038749B; CN106130088A; CN106130088B; CN109038747A

Abstract

The invention discloses a portable power supply provided with a heating device, wherein a battery bin and an inverter are arranged in a body, an inverter output port and an inverter switch are arranged on one long side edge of the body, the inverter is connected with the battery bin through the inverter switch, a USB input plug is fixed at one end of the body, a flashlight illuminating head embedded in the body is arranged at the other end of the body, which is opposite to the USB input plug, a charging output port is arranged at one side edge of the body, which is opposite to the inverter output port, and a control module is also arranged in the body and is connected with the USB input plug, the battery bin and the charging output port. The portable power supply effectively solves the problem of single function of the mobile power supply in the prior art, and has multiple functions and high practical value.

Description

Portable power supply provided with heating device

The present application is a divisional application of the following applications: the invention relates to a portable multifunctional power supply, which has the application date of 2016, 4 and 15 and the application number of 201610240218.3.

Technical Field

The invention relates to the technical field of power supplies, in particular to a portable power supply with a heating device.

Background

With the increasing number of electronic products such as digital cameras, mobile phones, and portable computers, how to conveniently provide sufficient power for these devices is also a problem that people pay more attention. In addition, people's field activity is more and more now, and the portable instrument that charges that can have multiple functions is needed many times to solve actual demands such as charging, illumination when the field. In addition, the temperature is low in the field in winter, and due to low activity of the battery and high internal impedance of the battery at low temperature, the charging system is easily misjudged due to overlarge voltage change, so that the situation that the battery cannot be fully charged occurs, and the charging efficiency is influenced. Most of the movable power supplies in the prior art have single functions and cannot solve the problem of low-temperature charging. Chinese patent publication No. CN 103825060A, whose publication date is 2014, 5 and 28, discloses a heating device for a low-temperature storage battery, which comprises a solar module and a charge-discharge controller connected to the solar module; the storage battery arranged in the heat insulation box is electrically connected with the charge and discharge controller, a heating element is arranged between the bottom of the storage battery and the heat insulation box, and the heating element is electrically connected with the charge and discharge controller through a power line; a temperature sensor for detecting the surface temperature of the storage battery is arranged between the storage battery and the side wall of the heat insulation box, the signal output end of the temperature sensor is connected with the signal input end of a temperature signal A/D conversion module, and the signal output end of the temperature signal A/D conversion module is connected with the signal input end of the single chip microcomputer control unit. The heating device can detect the charging efficiency of the storage battery in real time, and the storage battery is charged by adopting the solar module in a low-temperature environment in the field. The solar battery charging device solves the problem of low-temperature battery charging by putting a battery into the heat insulation box and charging the storage battery by using the solar module, has a complex structure, and is not suitable for field use.

Disclosure of Invention

The invention aims to solve the problems of single function and low practicability of the mobile power supply in the prior art, and provides a portable multifunctional power supply with multiple functions and good practicability.

Another object of the present invention is to provide a portable multifunctional power supply capable of efficiently charging at low temperature, so as to solve the problem that the battery charging in the low temperature state of the mobile power supply in the prior art cannot be satisfied.

The invention adopts a specific technical scheme that the portable power supply provided with the heating device comprises a power supply body, wherein the power supply body is of a cuboid hollow structure, a battery bin is arranged inside the power supply body, a base is formed at the bottom of the power supply body, an inverter is arranged in the power supply body, an inverter output port and an inverter switch are arranged on one long side edge of the power supply body, the inverter is connected with the battery bin through the inverter switch, a USB input plug is fixed on one end surface in the length direction of the power supply body, a flashlight illuminating head embedded in the power supply body is arranged on the other end surface of the power supply body, which is opposite to the USB input plug, a charging output port is arranged on one side edge of the power supply body, which is opposite to the inverter output port, and a control module is also arranged in the power supply body and is connected with the USB input plug, the battery bin and the charging output port. The USB input plug is used for charging the rechargeable battery of the battery compartment; the flashlight illuminating head can be used for flashlight illumination when walking in the field, the charging output port can be used for charging a mobile phone and the like, in addition, an inverter is arranged in the body of the flashlight illuminating head, and the inverter converts a direct current power supply of a charging battery in the body into alternating current output by 220V, so that small household appliances can be conveniently used in the field. Therefore, the mobile power supply solves the problem that the mobile power supply in the prior art is single in function, achieves multiple purposes and improves practicability.

Preferably, the USB input plug is sleeved with a conversion plug, one end of the conversion plug is provided with a plug of an automobile cigarette lighter 4, and the other end of the conversion plug is provided with a USB jack matched with the USB input plug; the one end that is equipped with the USB jack on the change over plug is cylindricly, and the USB jack sets up on cylindrical terminal surface, be equipped with on the body with the cavity of change over plug cylinder end adaptation, the change over plug through set up buckle and the body lock joint at its tip, the change over plug still be equipped with the button of buckle linkage. The conversion plug is sleeved on the USB input plug, so that a common USB plug can be conveniently converted into an automobile cigarette lighter plug, the USB plug can be directly inserted into a cigarette lighter jack on an automobile to charge a battery, the automobile can be conveniently charged, the conversion plug can be conveniently plugged on or taken off from the USB charging plug through the buckle and the button linked with the buckle, and the USB charging plug is convenient to use.

Preferably, the top of the body is provided with a heating device, the heating device comprises a heating flat plate and an electric heating element arranged below the heating flat plate, the electric heating element is connected with the battery compartment through a heating switch arranged on one side of the body, and a heat insulation layer is arranged between the heating device and the battery compartment. According to the invention, the heating flat plate is arranged on the upper surface of the body, when the environment temperature is low to charge the mobile phone and the like, the mobile phone and the like can be placed on the heating flat plate, and the heating switch is turned on to heat the mobile phone and the like, so that the temperature of the battery in the mobile phone is properly raised, and the problem of charging electronic products such as the mobile phone and the like at low temperature is solved. In addition, the heating flat plate can also provide a heat source for field activities, such as hand warming, cold water heating and the like.

Preferably, the top of the body is provided with a groove, the heating panel is buckled in the groove, one side of the heating panel is hinged with the body to form a hinged edge, the hinged edge is perpendicular to the length direction of the body and is close to one side of the body, which is provided with the USB input plug, a buckling mechanism is arranged between the heating panel overturning edge opposite to the hinged edge and the body, and when the heating panel is buckled on the body, the upper surface of the heating panel is higher than the body. Because the heating flat plate of the invention is directly arranged on the body, and the heating temperature of the rechargeable battery cannot be too high, the heating flat plate of the invention is only a heat dissipation device with a larger surface area, which is equivalent to a heating element, the surface temperature of the heating flat plate is not high during heating, usually 40-50 ℃, in order to further develop the practical function of the invention and meet the requirements of various occasions, the heating flat plate of the invention is arranged in a mode of being hinged with the body, the heating flat plate can be opened through one side edge so as to expose the heating element below the heating flat plate to provide higher heating temperature, for example, an anti-mosquito device is often needed in field activities, after the heating flat plate of the invention is opened, an electric heating mosquito coil can be directly placed on the heating element, thus the heating flat plate can be used as an electric heating mosquito coil, the occurrence of hazards such as field fire and the like caused by using open fire mosquito coils is avoided, ensuring the safety of the field.

Preferably, the electric heating element is a thermistor with a positive temperature coefficient, a heat conducting plate is arranged between the thermistor and the heating flat plate, the thermistor is fixed on the lower surface of the heat conducting plate, an elastic device is arranged between the bottom of the heat conducting plate and the heat insulating layer, and when the heating device works, the lower surface of the heating flat plate is tightly attached to the upper surface of the heat conducting plate. The higher the temperature of the thermistor with the positive temperature coefficient is, the larger the resistance value is, so that the temperature rise can be automatically controlled according to the environmental temperature, and the automatic constant temperature effect is achieved. The elastic device can ensure the close contact between the heating flat plate and the heating element and the good heat conduction.

As preferred, the heating plate is close to the protruding three light that is equipped with of lower surface on one side of the limit that overturns, and equidistant range such as three light, the correspondence is equipped with three pit in the recess, still is equipped with the control switch who is used for controlling flashlight illuminating head and light on the body, and control switch and heating switch and the delivery outlet that charges all set up on the same side of body. Wire grooves are arranged on two end faces of the heating flat plate, and power wires of the illuminating lamps are embedded in the wire grooves. The lower surface of the heating flat plate close to the side of the turning edge is provided with the illuminating lamp, the heating flat plate can be erected to be used as a small table lamp, and the table lamp can be used for illumination of environments such as a field tent and the like, so that the functions of the table lamp are further diversified.

Preferably, the charging outlet comprises two fixed interfaces and a movable interface, the fixed interfaces are USB-A slots arranged on the lower right side of one side of the body, the movable interfaces comprise a telescopic plate arranged at the bottom of the body and a mobile phone charging plug vertically arranged on the telescopic plate, the mobile phone charging plug is a Micro USB plug and vertically arranged on the upper surface of the telescopic plate and inclined inwards, the inclination angle of the Micro USB plug is 10-15 degrees, the outer end of the telescopic plate is provided with a baffle, and arc notches are formed in the upper edge of the baffle and the body. The output interface of the invention is provided with a built-in 5Micro USB plug besides the universal USB-A slot, and can be pulled out from the body when in use. Generally, a charging interface of a mobile phone is a Micro USB slot, and most of the charging interfaces are arranged at the lower end of the mobile phone. The baffle is used for playing the guard action to the Micro USB plug, and the arc breach on edge can conveniently pull out the Micro USB plug through the baffle about the baffle.

Preferably, the battery compartment is provided with a movable cover plate, the movable cover plate is arranged on the bottom surface of the body, the bottom surface of the body is further provided with two emergency ignition holes, and the two emergency ignition holes are respectively connected with the positive output electrode and the negative output electrode of the battery compartment. The control switch is used for switching the desk lamp illumination and the flashlight illumination or turning off the illumination power supply; the emergency ignition hole can be used for emergency ignition in the field, when the emergency ignition device is used, the two holes are respectively inserted with a wire, and a fuse can be ignited by utilizing the heavy current discharge of the rechargeable battery, so that the emergency ignition device can be used under the field emergency condition.

Preferably, the battery compartment and 18650 lithium cell looks adaptation, the battery compartment divide into two-layerly, and every layer includes three group battery, and every group battery comprises two batteries and establishes ties, and the battery compartment can hold 12 18650 lithium cells altogether, and flashlight illumination head and light all adopt LED lamp pearl, and the LED lamp pearl on the flashlight illumination head is one. The rechargeable battery adopts a replaceable structural mode, so that on one hand, the rechargeable battery is convenient to use, and the long-time working requirement in the field is met; on the other hand, the battery can be updated in time, so that the portable power supply achieves the best use effect. And LED lamp pearl consumption is little, can practice thrift the energy consumption, prolongs the operating time of light.

Preferably, the control module comprises a battery charging and discharging management module and a power adapter, and the output end of the power adapter is connected with the charging output port. The battery charging and discharging management module is used for charging and discharging control and protection of the battery, such as short circuit protection, overcurrent protection, overvoltage protection, reverse connection protection of the battery and the like. When the power supply is overcharged to the battery, in order to prevent the internal pressure from rising due to the temperature rise, the charging state is terminated, and the charging is stopped by monitoring the voltage of the battery and activating an overcharge protection function when the voltage reaches the battery overcharge voltage. Meanwhile, in order to prevent the over-discharge state of the battery, when the battery voltage is lower than its over-discharge voltage detection point, the over-discharge protection is activated, the discharge is terminated, and the battery is maintained in a standby mode of low quiescent current. And when the discharge current of the battery is excessive or a short-circuit condition occurs, the overcurrent protection function is activated. The battery charging and discharging management module is connected with battery connecting terminals at two ends of the battery cabin through a wiring harness arranged in the portable power supply body. The power adapter is arranged between the battery and the charging output port, so that the output voltage of the charging output port is matched with corresponding equipment. The control module of the power supply belongs to the known technology, and the invention is not explained in detail.

The invention has the beneficial effects that: the portable power supply effectively solves the problems of single function and low practicability of the mobile power supply in the prior art, and also solves the problem that the mobile power supply in the prior art cannot meet the battery charging requirement in a low-temperature state.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of another embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is a top view of a configuration of the present invention with the heat plate open;

FIG. 5 is a schematic view of another embodiment of the present invention with the heating panel on;

FIG. 6 is a schematic view of a configuration of a use state of the present invention;

FIG. 7 is another schematic structural view of a state of use of the present invention;

FIG. 8 is a schematic diagram of a conversion plug according to the present invention;

fig. 9 is a left side view of fig. 8.

In the figure, 1, a body, 2, a battery bin, 3, a base, 4, an inverter, 5, an inverter output port, 6, an inverter switch, 7, a USB input plug, 8, a flashlight lighting head, 9, a control module, 10, a heating panel, 11, an electric heating element, 12, a heating switch, 13, a groove, 14, a heat conducting plate, 15, an elastic device, 16, a lighting lamp, 17, a pit, 18, a USB-A slot, 19, a telescopic plate, 20, a mobile phone charging plug, 21, a baffle, 22, a control switch, 23, a movable cover plate, 24, a conversion plug, 25, an automobile cigarette lighter plug, 26, a USB jack, 27, a cavity, 28, a buckle, 29, a button, 30, a mobile phone and 31 are connected.

Detailed Description

The following describes the embodiments of the present invention in further detail by way of examples, with reference to the accompanying drawings.

Example 1

In embodiment 1 shown in fig. 1 and 2, a portable power supply provided with a heating device comprises a power supply body 1, wherein the body is of a cuboid hollow structure, a battery compartment 2 is arranged inside the body and is matched with 18650 lithium batteries, the battery compartment is divided into two layers, each layer comprises two battery packs, each battery pack is formed by connecting two batteries in series, the battery compartment can contain 8 18650 lithium batteries in total, and a movable cover plate 23 is arranged on the battery compartment and is arranged on the bottom surface of the body. A base formed at the bottom of the body

3, this internal dc-to-ac converter 4 that is equipped with (see fig. 3), be equipped with dc-to-ac converter delivery outlet 5 and contravariant switch 6 on the long side of body, the dc-to-ac converter passes through the contravariant switch to be connected with the battery compartment, and a terminal surface of body length direction is equipped with USB input plug 7, and another terminal surface relative with USB input plug on the body is equipped with the flashlight illumination head 8 of embedding in the body, and the flashlight illumination head adopts a LED lamp pearl. The utility model discloses a portable charger including dc-to-ac converter, including the body, the side opposite with the dc-to-ac converter delivery outlet is equipped with the delivery outlet that charges on the body, the delivery outlet that charges includes two fixed interfaces and a movable interface, fixed interface for setting up USB-A slot 18 of the downside on one side of body right side, the movable interface including setting up at the expansion plate 19 of body bottom and upright set up the cell-phone charging plug 20 on the expansion plate, cell-phone charging plug be a Micro USB plug, vertical setting just inclines to the inboard at the upper surface of expansion plate, its inclination is 13 degrees, the outer end of expansion plate is equipped with baffle 21, all is equipped with the arc breach on edge and the body on the baffle. Still be equipped with control module 9 in this body, control module includes battery charge-discharge management module and power adapter, and battery charge-discharge management module is connected with power input interface, battery compartment and charging output port, and power adapter's output is connected with charging output port.

Example 2

The top of the body of embodiment 2 is provided with a heating device, the heating device comprises a heating flat plate 10 and an electric heating element 11 arranged below the heating flat plate, the electric heating element is connected with the battery compartment through a heating switch 12 arranged at one side of the body, and a heat insulation layer (not shown in the figure) is arranged between the heating device and the battery compartment; the electric heating element is a thermistor with a positive temperature coefficient, a heat conducting plate 14 is arranged between the thermistor and the heating flat plate, the thermistor is fixed on the lower surface of the heat conducting plate, an elastic device 15 is arranged between the bottom of the heat conducting plate and the heat insulating layer, and when the heating device works, the lower surface of the heating flat plate is tightly attached to the upper surface of the heat conducting plate.

The top of body is equipped with recess 13 (see fig. 4), the knot of heating plate is established in the recess, and one side of heating plate is articulated with the body and constitutes articulated limit, articulated limit is perpendicular and be close to the one side that sets up USB input plug on the body with the length direction of body, is equipped with lock joint mechanism between the dull and stereotyped upset limit of heating relative with articulated limit and the body, and when the dull and stereotyped lock of heating was on the body, the upper surface of heating plate was higher than the body.

The heating plate is close to the protruding three light 16 that is equipped with of lower surface on one side of the limit that overturns, and the light all adopts LED lamp pearl, and equidistant range of three light, the correspondence is equipped with three pit 17 in the recess, and the both ends face of heating plate is equipped with the wire casing, and the power cord of light inlays to be established in the wire casing. The body is also provided with a control switch 22 for controlling the flashlight illuminating head and the illuminating lamp, the control switch, the heating switch and the charging output port are all arranged on the same side of the body, and the rest are the same as those in the embodiment 1.

Example 3

A conversion plug 24 (see fig. 5) is sleeved on the USB input plug of embodiment 3, one end of the conversion plug is provided with an automobile cigarette lighter plug 25, and the other end of the conversion plug is provided with a USB jack 26 adapted to the USB input plug; the end of the changeover plug, which is provided with the USB jack, is cylindrical, the USB jack is arranged on the cylindrical end surface, the body is provided with a cavity 27 matched with the cylindrical end of the changeover plug, the changeover plug is buckled with the body through a buckle 28 arranged at the end part of the changeover plug, and the changeover plug is also provided with a button 29 linked with the buckle (see figure 8 and figure 9). The bottom surface of the body of the embodiment 3 is also provided with two emergency ignition holes (not shown in the figure), the two ignition holes are respectively connected with the positive and negative output poles of the battery compartment, and the rest is the same as that of the embodiment 1 or the embodiment 2.

When the portable charger is used, the 18650 lithium battery is arranged in the battery compartment and can be used as a mobile charging power supply or a flashlight after being charged through the USB input plug; the conversion plug can also be used for charging at the automobile ignition port. When the inversion switch is turned on, the inversion output port can be plugged with a small household appliance; the telescopic plate can be pulled out to charge the mobile phone in an upright mode (see figure 7), so that the mobile phone can conveniently browse webpages, watch videos and the like during charging; when the mobile phone or other digital products are charged at a low temperature, the mobile phone 30 and the like can be placed on a heating flat plate (see fig. 6), a charging output port USB-A slot is connected with the mobile phone through a connecting wire 31, and a heating switch is turned on to heat the mobile phone so as to properly raise the temperature of a battery in the mobile phone, thereby solving the charging problem of electronic products such as the mobile phone and the like at the low temperature; when the lighting table lamp is used, one side of the heating flat plate is opened, the lighting lamp is lifted, and the lighting switch is turned on. And the heating switch is turned on when the heating flat plate is in an open state, an electric heating mosquito-repellent incense piece can be placed on the heating element below the heating flat plate to be used as an electric heating mosquito-repellent incense, and the emergency ignition hole can be used for field emergency ignition. Therefore, the mobile power supply solves the problems that the mobile power supply in the prior art is single in function and cannot meet the requirement of battery charging in a low-temperature state, achieves multiple purposes and improves the practicability.

In addition to the above-mentioned embodiments, the technical features or technical data of the present invention may be reselected and combined to form new embodiments within the scope disclosed in the claims and the specification of the present invention, and the embodiments of the present invention not described in detail can be easily implemented by those skilled in the art without creative efforts, so the embodiments not described in detail should be regarded as specific embodiments of the present invention and are within the protection scope of the present invention.

Claims

1. A portable power supply provided with a heating device comprises a power supply body and is characterized in that the body (1) is of a cuboid hollow structure, a battery compartment (2) is arranged in the body and is matched with 18650 lithium batteries, the battery compartment is divided into two layers, each layer comprises two battery packs, each battery pack is formed by connecting two batteries in series, the battery compartment can contain 8 18650 lithium batteries totally, a movable cover plate (23) is arranged on the battery compartment, the movable cover plate is arranged on the bottom surface of the body, a base (3) is formed at the bottom of the body, an inverter (4) is arranged in the body, an inverter output port (5) and an inverter switch (6) are arranged on one long side edge of the body, the inverter is connected with the battery compartment through the inverter switch, a USB input plug (7) is fixed on one end surface in the length direction of the body, and a flashlight illuminating head (8) embedded in the body is arranged on the other end surface of the body opposite to the USB input plug, the flashlight lighting head adopts an LED lamp bead, the top of the body is provided with a heating device, the heating device comprises a heating flat plate (10) and an electric heating element (11) arranged below the heating flat plate, the electric heating element is connected with the battery compartment through a heating switch (12) arranged on one side of the body, a heat insulation layer is arranged between the heating device and the battery compartment, a charging output port is arranged on one side of the body opposite to the output port of the inverter, a control module (9) is also arranged in the body and comprises a battery charging and discharging management module and a power adapter, the battery charging and discharging management module is connected with a power input interface, the battery compartment and the charging output port, the output end of the power adapter is connected with the charging output port, the charging output port comprises two fixed interfaces and a movable interface, the fixed interfaces are USB-A slots (18) arranged on the lower right side of the body, the movable interface including setting up expansion plate (19) in the body bottom and upright set up cell-phone charging plug (20) on the expansion plate, cell-phone charging plug be a Micro USB plug, vertical setting just inclines to the inboard at the upper surface of expansion plate, its inclination is 13 degrees, the outer end of expansion plate is equipped with baffle (21), all is equipped with arc breach on edge and the body on the baffle.

2. The portable power supply with the heating device as claimed in claim 1, wherein the top of the body is provided with a groove (13), the groove is internally provided with a buckle buckled with the heating plate, one side of the heating plate is hinged with the body to form a hinged edge, the hinged edge is perpendicular to the length direction of the body and is close to one side of the body, which is provided with the USB input plug, a buckling mechanism is arranged between the overturning edge of the heating plate opposite to the hinged edge and the body, and when the heating plate is buckled on the body, the upper surface of the heating plate is higher than the body.

3. The portable power supply with a heating device as claimed in claim 1, wherein the electric heating element is a positive temperature coefficient thermistor, a heat conducting plate (14) is arranged between the thermistor and the heating plate, the thermistor is fixed on the lower surface of the heat conducting plate, an elastic device (15) is arranged between the bottom of the heat conducting plate and the heat insulating layer, and the lower surface of the heating plate is tightly attached to the upper surface of the heat conducting plate when the heating device works.

4. The portable power supply with the heating device as claimed in claim 2, wherein three illuminating lamps (16) are protruded from the lower surface of the heating plate near the side of the turning edge, the three illuminating lamps are arranged at equal intervals, three corresponding pits (17) are correspondingly arranged in the grooves, the body is further provided with a control switch (22) for controlling the flashlight illuminating head and the illuminating lamps, and the control switch, the heating switch and the charging outlet are arranged on the same side of the body.