CN206268861U - A portable lighting device - Google Patents

Abstract

The utility model provides a portable lighting device, including the casing, set up the lamps and lanterns in the casing front end, with the control switch that the lamps and lanterns electricity is connected and with the battery that control switch passes through the wire and connects, set up the electricity generation module on the casing, the electricity generation module is connected with the cooling module that sets up in battery week side and be used for cooling to the battery, the utility model discloses a refrigeration utmost point and thermoelectrode are bismuth telluride as the ternary solid solution alloy of base member, wherein the P type, namely, for refrigeration utmost point or thermoelectrode for Bi2Te 3-Sb 2Te3, the N type, namely, for the thermoelectrode or refrigeration utmost point for Bi2Te 3-Sb 2Te3, and adopt the vertical zone melting method to draw the crystal material and make, thereby ensure to realize the conversion of refrigeration utmost point and thermoelectrode only through changing the current direction, effectively realized the arbitrary regulation to battery department temperature, make the battery constantly keep at optimum operating temperature, the stability of the battery operation is ensured.

Description

A portable lighting device

technical field

The utility model belongs to the technical field of portable lighting equipment, in particular to a portable lighting device.

Background technique

As a daily necessities, the flashlight is small and easy to carry, with concentrated light, and is widely used in various occasions. It is an essential tool for night drivers, outdoor sports at night, camping and mountaineering. The flashlights sold in the existing market have single functions and cannot meet the many needs of users. Especially for operators who drive or work at night, portable lighting devices are an essential tool, but their functions are too single, and the high temperature in summer In the environment, it is very easy to cause a large amount of battery power loss due to sunlight, thereby seriously affecting the lighting quality and even causing battery capacity loss; a flashlight is disclosed in the application number 200920249220.2, including a cylinder and a cylinder cover. There is a cylinder cover, and an electric fan is arranged on the surface of the cylinder cover, and a cover is provided at the end of the electric fan; a rectangular groove is arranged on the surface of the cylinder body, and a money detector pen is connected to the top shaft of the groove; when in use The electric fan on the surface of the cylinder cover is convenient for people to cool down in summer; the banknote detector pen in the groove on the surface of the cylinder body is convenient for people to take out the banknotes and use it; although the utility model is equipped with an electric fan, it is not used to keep the battery warm The problem of high temperature guaranteeing battery power is still not solved, so there is a need for a portable lighting device that can guarantee battery power in a high temperature environment.

Contents of the invention

In view of this, the purpose of this utility model is to provide a portable lighting device which can avoid the power loss and the reduction of the battery life caused by the high temperature environment.

In order to achieve the above object, the utility model adopts the following technical solutions:

A portable lighting device, comprising a housing, a lamp arranged at the front end of the housing, a control switch electrically connected to the lamp, and a battery connected to the control switch through wires, a power generation module is arranged on the housing, The power generation module is connected to a cooling module provided around the battery for cooling the battery.

Further, the power generation module is a solar cell panel arranged on the casing, and a protective layer is provided on the surface of the solar cell panel.

Further, the cooling module includes a thermal insulation case arranged on the peripheral side of the battery, a cooling pole disposed in the thermal insulation casing, a bridging block connected to the cooling pole, and a bridging block connected to the bridging block and arranged on The heat sink on the outside of the housing.

Further, the bridging block is a conductive block, the cooling pole and the heat dissipation pole are respectively connected to a microchip through wires, and the microchip is connected to the solar panel.

Further, the thermal insulation housing is a thermal insulation foam housing, and a temperature sensor is arranged in the thermal insulation housing, and the temperature sensor is connected to a microchip.

Further, the microchip is PLC.

The beneficial effects of the utility model:

The utility model aims at reducing the battery capacity and automatically discharging the battery in the portable lighting device due to the high temperature environment caused by direct sunlight in the prior art. A separate cooling mechanism is set at the battery to cool down the battery, and the method of using a separate power supply is effective. It avoids the consumption of battery power caused by the portable lighting device powering the cooling mechanism. The device is placed in the cab of a car or other places that can be exposed to direct sunlight, and the solar panel provides stable power for the cooling module. Cooling, and a cooling pole is set in the heat preservation shell and a conductive bridging block or conductive wire is set between the cooling pole and the heat dissipation pole arranged at the shell to form a structure of a semiconductor refrigeration chip, and the heat preservation shell used is a heat preservation The foam shell can ensure that the battery forms a separate sealed chamber with the outside world, reducing the occurrence of heat exchange; and a temperature sensor is set inside it and the temperature sensor is connected to the microchip, and the microchip is connected to the solar panel, so that the micro According to the data information obtained by the temperature sensor, the chip decides whether to perform the cooling mode or the heating mode, so as to avoid the phenomenon that the temperature in the heat preservation shell is too high or too low.

In addition, the lamps used are LED lamps, which not only have strong light but also low energy consumption, ensuring that portable lighting devices with the same battery capacity can provide long-term and stable light. In order to enhance the safety and heat dissipation of the utility model, the housing is designed as The metal shell is not only resistant to collision but also can provide excellent heat dissipation, which can quickly dissipate the heat emitted by the LED lamp and reduce the damage to the LED lamp; in addition, the protective layer used is a transparent acrylic board to ensure that the solar cells While the board works stably, it ensures the safety and stability of the portable lighting device and avoids damage caused by accidental bumps; the microchip used can be either PLC or micro CPU, so as to realize the intelligent control of the cooling mechanism and ensure cooling effect.

The utility model adopts the ternary solid solution alloy with bismuth telluride as the matrix for both the cooling pole and the heat dissipation pole, wherein the P type is the cooling pole or the heat dissipation pole Bi2Te3-Sb2Te3, and the N type is the heat dissipation pole or the refrigeration pole Bi2Te3 —Sb2Te3, and it is made of crystal material extracted by vertical zone melting method, so as to ensure that the conversion of the cooling electrode and the cooling electrode can be realized only by changing the direction of the current, effectively realizing the arbitrary adjustment of the temperature of the battery, so that the battery can be kept at all times The best working temperature ensures the stability of battery work.

Description of drawings

Fig. 1 is a schematic diagram of the front structure of the utility model;

Fig. 2 is a schematic view of the structure of the utility model;

Fig. 3 is a schematic diagram of the structure on the right side of the utility model;

Fig. 4 is a schematic diagram of another front structure of the utility model;

Fig. 5 is a circuit diagram at the cooling mechanism of the present invention.

detailed description

Below in conjunction with accompanying drawing 1-5 and embodiment the utility model is described further.

Embodiment 1: A portable lighting device, including a housing 3, a lamp 1 arranged at the front end of the housing 3, a control switch 2 electrically connected to the lamp 1, and a battery connected to the control switch 2 through wires 6. A power generation module is installed on the housing 3, and the power generation module is connected to a cooling module arranged around the battery 6 and used for cooling the battery 6; the power generation module is arranged on the The solar cell panel 4 on the casing 3, the surface of the solar cell panel 4 is provided with a protective layer 12; 8. The bridging block 10 connected to the cooling pole 8 and the heat dissipation pole 11 connected to the bridging block 10 and arranged outside the housing 3; the bridging block 10 is a conductive block, and the cooling pole 8 and the heat dissipation pole 11 are respectively connected to the microchip 9 through wires, and the microchip 9 is connected to the solar battery panel 4; the heat insulation shell 5 is a heat insulation foam shell, and the heat insulation shell 5 A temperature sensor 7 is arranged inside, and the temperature sensor 7 is connected with a microchip 9; the microchip 9 is a PLC.

Embodiment 2: The difference between it and Embodiment 1 is that: a fan 13 is provided at the rear of the housing 3 for cooling the heat sink, and the fan 13 is connected to the microchip 9 through wires.

In this embodiment, a fan is provided at the cooling pole, which can speed up the heat loss on the cooling pole, thereby ensuring the stable operation of the cooling mechanism, and avoiding the failure of the cooling mechanism due to the excessive temperature of the cooling pole caused by the external environment and cooling work. phenomenon, and a temperature sensor can be set at the cooling pole, which can be used to monitor the temperature of the cooling pole, so that the fan can only work when the temperature must be lowered, reducing energy loss.

Embodiment 3: The difference between it and Embodiment 1 or 2 is that: the heat sink is provided with a finned radiator.

In this embodiment, an insert-type radiator is arranged on the top of the semiconductor heat sink, which can increase the heat conduction area, and then accelerate the heat exchange between the heat on it and the air, so that the temperature will not be too high, and ensure the stable operation of the semiconductor cooling fin.

The usage method of the utility model: when the device is in a high-temperature cab or outdoors, in order to avoid damage to the battery caused by the high temperature, it is placed in the sun, and the solar panel is irradiated by the sun to generate electricity. When the temperature is higher than the set When the temperature is fixed, for example, 45°C; at this time, the microchip receives the high temperature signal detected by the temperature sensor, so that the microchip makes an instruction to supply power to the cooling pole and the heat dissipation pole, thereby reducing the temperature of the cooling pole and increasing the temperature of the heat dissipation pole. High; reduce the temperature in the heat preservation shell to the set temperature, for example, 20°C; the microchip sends an instruction to stop the power supply to the cooling pole and the heat sink; then when the temperature is higher than the set temperature again, for example, 45°C, Then repeat the above steps.

In addition, the temperature range can also be set through the microchip, for example, 25-30°C. When the sun shines on the solar panel, the microchip obtains the temperature data in the heat preservation shell through the temperature sensor, and then realizes the intelligent control of the battery temperature. Keep it in top working condition at all times.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model without limitation, other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solution of the utility model, as long as they do not depart from the technical solution of the utility model The spirit and scope should be included in the scope of the claims of the present utility model.

Claims (6)

1. a kind of portable illumination device, including housing, it is characterised in that：Also include be arranged on the housing forward end light fixture, The controlling switch electrically connected with the light fixture and the battery being connected by wire with the controlling switch, are set on the housing Electricity generation module, the electricity generation module be arranged on the battery the week side of boss and for being connected to the refrigerating module that the battery is cooled down Connect.

2. portable illumination device according to claim 1, it is characterised in that：The electricity generation module is to be arranged on the shell Solar panel on body, the solar cell plate surface sets protective layer.

3. portable illumination device according to claim 2, it is characterised in that：The refrigerating module includes being arranged on battery Bridge joint block that the insulation shell of the week side of boss, the refrigeration pole being arranged in the insulation shell are connected with the refrigeration pole and with The bridge joint block is connected and is arranged on the radiating pole of the hull outside.

4. portable illumination device according to claim 3, it is characterised in that：The bridge joint block is conducting block, the system Cold pole is connected by wire with microchip respectively with the radiating pole, the microchip and the solar panel phase Connection.

5. portable illumination device according to claim 3, it is characterised in that：The insulation shell is insulating foam shell Temperature sensor is set in body, the insulation shell, and the temperature sensor is connected with microchip.

6. portable illumination device according to claim 5, it is characterised in that：The microchip is PLC.