Heat dissipation system, energy supply system and solar lamp

Abstract

The utility model discloses a heat dissipation system, an energy supply system and a solar lamp, and the heat dissipation system comprises a radiator which is used for being arranged in the environment where a storage battery is located; the photovoltaic power generator is arranged outside and is used for generating a light-operated signal; the controller is connected with the photovoltaic power generator, the controller obtains a light control signal generated by the photovoltaic power generator, the controller is connected with the radiator, and the controller controls the radiator to be turned on or turned off according to the obtained light control signal. It can be understood that the controller controls the radiator to be turned on or turned off according to the light-operated signal of the photovoltaic generator, safety accidents caused by high temperature of the storage battery are avoided, and meanwhile the normal charging function of the storage battery is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of lighting equipment, and in particular to a heat dissipation system, an energy supply system and a solar lamp. Background Art

[0002] At present, with the increase of solar lamps on the market, the potential safety hazards of solar lamps have received great attention. The potential safety hazards of solar lamps are mainly concentrated on lithium batteries, which are specifically manifested in: the high temperature performance of lithium batteries is poor, and the high temperature outside will cause the temperature of lithium batteries to be too high, thereby affecting the capacity and service life of lithium batteries, and even causing safety accidents such as explosions. In order to avoid safety accidents caused by high temperature of lithium batteries, the existing technology mainly increases the heat conduction area by enlarging the outer shell, so that the heat of the battery is conducted out through the enlarged outer shell, thereby achieving the heat dissipation effect of the battery. However, in winter when the outside temperature is low, the enlarged outer shell will also absorb the heat of the battery and conduct it out, thereby causing the temperature of the battery to be too low, resulting in the problem that the battery cannot be charged. In this way, the temperature changes caused by the different light intensity outside can avoid safety accidents caused by high temperature of lithium batteries, but the normal charging function of the battery cannot be guaranteed. Utility Model Content

[0003] The main purpose of the utility model is to provide a heat dissipation system to avoid safety accidents caused by high temperature of lithium batteries and ensure the normal charging function of the battery.

[0004] To achieve the above purpose, the heat dissipation system proposed by the utility model includes:

[0005] A radiator, the radiator being used to be arranged in the environment where the battery is located;

[0006] A photovoltaic generator, which is arranged outside and used to generate a light control signal;

[0007] A controller is connected to the photovoltaic generator, the controller obtains a light control signal generated by the photovoltaic generator, the controller is connected to the radiator, and the controller controls the radiator to open or close according to the obtained light control signal.

[0008] Optionally, the photovoltaic generator is connected to the radiator via the controller, and the controller controls whether the photovoltaic generator supplies power to the radiator according to the acquired light control signal, so as to turn the radiator on or off.

[0009] The utility model also provides an energy supply system, comprising a storage battery and the heat dissipation system, wherein the heat sink is arranged in the environment where the storage battery is located, and the storage battery is used to supply power to external devices.

[0010] Optionally, the battery is connected to the controller, and the controller controls whether the photovoltaic generator charges the battery according to the acquired light control signal, and the controller controls whether the photovoltaic generator supplies power to the radiator according to the charging signal of the battery.

[0011] Optionally, the controller includes a first acquisition module, a first comparison module and a first main control module. The battery is connected to the first acquisition module. The first acquisition module acquires the charging signal of the battery. The first acquisition module is connected to the first comparison module. The first comparison module compares the acquired charging signal of the battery with the size of a preset overcharge signal of the battery to obtain a first comparison result. The first comparison module is connected to the first main control module. The first main control module controls the photovoltaic generator to charge the battery or power the radiator according to the first comparison result.

[0012] The utility model also provides a solar lamp, comprising a light source and the energy supply system, wherein a storage battery of the energy supply system is connected to the light source, and the storage battery is used to supply power to the light source.

[0013] Optionally, the light source is connected to the controller, and the light source is connected to the battery through the controller, and the controller controls whether the battery supplies power to the light source to turn the light source on or off.

[0014] Optionally, the photovoltaic generator is connected to the storage battery via the controller, and the controller controls whether the storage battery supplies power to the light source according to a magnitude relationship between the acquired light control signal and a preset light control signal.

[0015] Optionally, the controller includes a second acquisition module, a second comparison module and a second main control module, the battery is connected to the second acquisition module, the second acquisition module acquires the discharge signal of the battery, the second acquisition module is connected to the second comparison module, the second comparison module compares the acquired discharge signal of the battery with the size of a preset over-discharge signal of the battery to obtain a second comparison result, the second comparison module is connected to the second main control module, and the second main control module controls whether the battery supplies power to the light source according to the second comparison result.

[0016] Optionally, the light source and the energy supply system are an integrated structure.

[0017] The technical solution of the utility model, when applied to solar lamps, is that the radiator is arranged in the environment where the battery is located. When the high temperature is caused by the strong light intensity in the outside world, the photovoltaic generator has a strong power generation capacity when the light intensity is strong and generates a strong light control signal. When the controller obtains the strong light control signal, the controller controls the radiator to open. The radiator strengthens the air convection in the environment where the battery is located, and effectively conducts the heat of the battery, thereby avoiding the explosion caused by the excessive temperature of the battery; when the low temperature is caused by the weak light intensity in the outside world, the photovoltaic generator has a weak power generation capacity when the light intensity is weak and generates a weak light control signal. When the controller obtains the weak light control signal, the controller controls the radiator to close to avoid the reduction of the battery temperature. It can be understood that the controller of the utility model controls the radiator to open or close according to the intensity of the light control signal of the photovoltaic generator, while avoiding safety accidents caused by high temperature of the battery, ensuring the normal charging function of the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0019] Figure 1 This is the annual average daily radiation distribution map of Changsha;

[0020] Figure 2 This is the annual average daily temperature distribution map of Changsha;

[0021] Figure 3 This is a working principle diagram of the solar lamp radiator of the utility model;

[0022] Figure 4 This is a charging principle diagram of the battery of the solar lamp of the utility model;

[0023] Figure 5 This is the discharge principle diagram of the battery of the solar lamp of the utility model;

[0024] Figure 6 This is the principle diagram of the over-discharge protection of the battery of the solar lamp of the utility model;

[0025] Figure 7 This is an exploded view of the solar lamp of Example 1 of the utility model;

[0026] Figure 8 for Figure 7 Control principle diagram of the solar lamp;

[0027] Fig. 9 This is an exploded view of the solar lamp of Example 2 of the utility model;

[0028] Fig.10 for Fig. 9 An internal diagram of the housing of the solar lamp;

[0029] Fig.11 for Fig. 9 Control principle diagram of the solar lamp;

[0030] Description of Figure Numbers:

[0031]

[0032]

[0033] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0036] See also Figures 3 to 6 As shown, in one embodiment of the utility model, a heat dissipation system includes: a radiator, which is used to be installed in the environment where the battery is located; a photovoltaic generator, which is installed in the outside world and is used to generate a light control signal; a controller, which is connected to the photovoltaic generator, and the controller obtains the light control signal generated by the photovoltaic generator. The controller is connected to the radiator, and the controller controls the radiator to open or close according to the obtained light control signal.

[0037] The technical solution of the utility model, when applied to solar lamps, is that the radiator is arranged in the environment where the battery is located. When the high temperature is caused by the strong light intensity in the outside world, the photovoltaic generator has a strong power generation capacity when the light intensity is strong and generates a strong light control signal. When the controller obtains the strong light control signal, the controller controls the radiator to open. The radiator strengthens the air convection in the environment where the battery is located, and effectively conducts the heat of the battery, thereby avoiding the explosion caused by the excessive temperature of the battery; when the low temperature is caused by the weak light intensity in the outside world, the photovoltaic generator has a weak power generation capacity when the light intensity is weak and generates a weak light control signal. When the controller obtains the weak light control signal, the controller controls the radiator to close to avoid the reduction of the battery temperature. It can be understood that the controller of the utility model controls the radiator to open or close according to the intensity of the light control signal of the photovoltaic generator, while avoiding safety accidents caused by high temperature of the battery, ensuring the normal charging function of the battery.

[0038] It should be noted that the photovoltaic generator generates light control signals of different intensities with different light intensity. The light control signals include photovoltaic power generation current signals and photovoltaic power generation voltage signals. The photovoltaic power generation voltage signal is referred to as light control voltage. In the season with many sunny days and high temperature (summer), the light control voltage of the photovoltaic generator is strong, the controller triggers the switch of the radiator, and the radiator starts to work; in the season with few sunny days and low temperature (spring and winter), the light control voltage of the photovoltaic generator is weak, the controller cannot trigger the switch of the radiator, and the radiator will not work. Of course, the controller can realize the opening or closing of the radiator by controlling the circuit switch. At this time, the radiator can have its own power supply or be connected to an external power supply. The controller can also realize the opening or closing of the radiator by controlling whether the photovoltaic generator supplies power to the radiator. The above methods can realize the control of the controller to open or close the radiator, which is within the protection scope of the present utility model. Specifically, the photovoltaic generator can be a solar panel or a plurality of solar panels arranged side by side. The solar panel effectively converts solar energy into electrical energy to realize the utilization of solar energy. The radiator is selected from at least one of a refrigeration fin radiator and a cooling fan. The refrigeration fin radiator achieves the heat dissipation effect by strengthening the contact with the refrigeration fin to conduct heat, and the cooling fan achieves the heat dissipation effect by enhancing the turbulence effect. The utility model can select one of the refrigeration fin radiator and the cooling fan, or can use both radiators at the same time. The embodiments of the utility model are not limited to this, and the above are all within the protection scope of the utility model.

[0039] See also Figures 3 to 6As shown, in one embodiment of the utility model, the photovoltaic generator is connected to the radiator through a controller, and the controller controls whether the photovoltaic generator supplies power to the radiator according to the acquired light control signal, so that the radiator is opened or closed. It should be noted that when the high temperature is generated due to the strong external light intensity, the photovoltaic generator has a strong power generation capacity, and the photovoltaic generator generates a strong light control voltage. The controller controls the photovoltaic generator to supply power to the radiator, so that the radiator is opened, and the temperature of the battery is reduced under the heat dissipation effect of the radiator; when the low temperature is generated due to the weak external light intensity, the photovoltaic generator has a weak power generation capacity, and the photovoltaic generator generates a weak light control voltage. The controller controls the photovoltaic generator not to supply power to the radiator, so that the radiator is closed, avoiding the reduction of the battery temperature and ensuring the charging function of the battery. In this way, the controller controls whether the photovoltaic generator supplies power to the radiator, so that the radiator is opened or closed, and the electric energy converted by the photovoltaic generator is reasonably utilized. While saving energy and reducing emissions, the cost of setting up an additional power supply for the radiator is avoided, thereby achieving the effect of reducing costs.

[0040] See also Figures 3 to 6 As shown, in one embodiment of the utility model, an energy supply system includes a battery and a heat dissipation system, wherein the heat dissipation system heat sink is arranged in the environment where the battery is located, and the battery is used to supply power to external devices. It should be noted that when applied to lighting fixtures, the heat sink is arranged in the environment where the battery is located, and when the high temperature is caused by the strong light intensity in the outside world, the photovoltaic generator has a strong power generation capacity when the light intensity is strong and generates a strong light control signal, and when the controller obtains the strong light control signal, the controller controls the heat sink to open, and the heat sink strengthens the air convection in the environment where the battery is located, and effectively conducts the heat of the battery away, thereby avoiding the explosion caused by the excessive temperature of the battery; when the low temperature is caused by the weak light intensity in the outside world, the photovoltaic generator has a weak power generation capacity when the light intensity is weak and generates a weak light control signal, and when the controller obtains the weak light control signal, the controller controls the heat sink to close, so as to avoid the battery temperature from decreasing. It can be understood that the controller of the utility model controls the opening or closing of the radiator according to the intensity of the light control signal of the photovoltaic generator, thereby avoiding safety accidents caused by high temperature of the lithium battery and ensuring the normal charging function of the battery.

[0041] See also Figures 3 to 6As shown, in one embodiment of the utility model, the battery is connected to the controller, and the controller controls whether the photovoltaic generator charges the battery according to the acquired light control signal, and the controller controls whether the photovoltaic generator supplies power to the radiator according to the charging signal of the battery. In the embodiment of the utility model, the controller controls whether the photovoltaic generator charges the battery according to the acquired light control signal. Specifically, corresponding to the night, the light control voltage acquired by the controller is less than the preset value of the light control voltage, the photovoltaic generator does not have the power generation capacity and does not generate the light control voltage, the controller controls the photovoltaic generator not to charge the battery, and the charging channel of the battery is closed; corresponding to the daytime, the light control signal acquired by the controller is not less than the preset value of the light control voltage, the photovoltaic generator has the power generation capacity and generates the light control voltage, the controller controls the photovoltaic generator to charge the battery, and the charging channel of the battery is opened. In this way, solar energy is fully utilized to convert into electrical energy, thereby ensuring the power of the battery. After the battery is charged, the surplus power converted by the photovoltaic generator is supplied to the radiator, thereby ensuring the heat dissipation effect of the radiator while realizing the reasonable use of electrical energy and ensuring the power supply of the battery to external devices. In the season with many sunny days and high temperature (summer), the sunlight is sufficient during the day, the solar panel has strong power generation capacity, and the solar panel can fully charge the battery in a short time. When the battery is fully charged, the controller controls the solar panel to supply power to the cooling fan, thereby achieving the effect of cooling the battery; in the season with few sunny days and low temperature (spring and winter), the sunlight is insufficient during the day, and there are many rainy and snowy days. The power generation capacity of the solar panel is low, and it is difficult to fully charge the battery. The charging voltage of the battery cannot reach the overcharge voltage of the battery, and the controller will not trigger the switch of the cooling fan, thereby achieving the purpose of not cooling the cooling fan in the low temperature in spring and winter. In this way, by obtaining the charging signal of the battery, the height of the external temperature can be judged, so as to control the opening or closing of the cooling fan, while avoiding safety accidents caused by high temperature of the lithium battery, making full use of electrical energy to ensure the effective charging of the battery.

[0042] See also Figures 3 to 6As shown, in one embodiment of the utility model, the controller includes a first acquisition module, a first comparison module and a first main control module. The battery is connected to the first acquisition module. The first acquisition module acquires the charging signal of the battery. The first acquisition module is connected to the first comparison module. The first comparison module compares the acquired charging signal of the battery with the size of the preset overcharge signal of the battery to obtain a first comparison result. The first comparison module is connected to the first main control module. The first main control module controls the photovoltaic generator to charge the battery or to supply power to the radiator according to the first comparison result. In the embodiment of the utility model, the controller controls the photovoltaic generator to supply power to the radiator or to the battery according to the size relationship between the acquired electrical signal of the battery and the overcharge signal of the battery. The charging signal of the battery includes the charging voltage and the charging current, and the overcharge signal of the battery includes the overcharge voltage and the overcharge current. Specifically, when the light-controlled voltage obtained by the controller is not less than the preset value of the light-controlled voltage, if the charging voltage of the battery obtained by the controller is less than the preset overcharge voltage of the battery, the battery is not fully charged, and the controller controls the photovoltaic generator to charge the battery to provide power to the external device; if the voltage of the battery obtained by the controller is not less than the overcharge voltage of the battery, the battery is fully charged, and the controller controls the photovoltaic generator to power the radiator. In this way, on the basis of ensuring that the battery effectively supplies power to the external device, the electric energy converted by the photovoltaic generator is provided to the radiator for heat dissipation, thereby realizing the rational use of electric energy. In the season with many sunny days and high temperature (summer), the battery is fully charged, and the controller controls the photovoltaic generator to power the radiator so that the radiator is opened, so that the battery is cooled; in the season with few sunny days and low temperature (spring and winter), the battery cannot be fully charged, and the controller controls the photovoltaic generator to charge the battery so that the radiator is closed, so that the cooling of the battery is avoided. The embodiment of the utility model determines the external temperature according to whether the battery is fully charged, thereby realizing intelligent control of the radiator, effectively utilizing surplus electric energy, and achieving the goal of energy saving and emission reduction.

[0043] See also Figures 3 to 6 As shown, the utility model also provides a solar lamp, including a light source and an energy supply system. The battery of the energy supply system is connected to the light source, and the battery is used to power the light source. Specifically, the light source includes a light source module. The light source module adopts an LED lamp. Compared with other light sources, the LED lamp has the advantages of high power, high luminous efficiency, and long service life. Of course, a three-color lamp can also be used. The battery can be a lithium battery. The light source and the energy supply system can be integrated into an integrated structural part to form a solar lamp, or they can be installed separately on the lamp head and the lamp pole to form a solar lamp. The embodiments of the utility model are not limited to this, and the above are all within the protection scope of the utility model.

[0044] The technical solution of the utility model is that the radiator is arranged in the environment where the battery is located. When the high temperature is caused by the strong light intensity in the outside world, the photovoltaic generator has a strong power generation capacity when the light intensity is strong and generates a strong light control signal. When the controller obtains the strong light control signal, the controller controls the radiator to open. The radiator strengthens the air convection in the environment where the battery is located, and effectively conducts the heat of the battery, thereby avoiding the explosion caused by the excessive temperature of the battery; when the low temperature is caused by the weak light intensity in the outside world, the photovoltaic generator has a weak power generation capacity when the light intensity is weak and generates a weak light control signal. When the controller obtains the weak light control signal, the controller controls the radiator to close to avoid the reduction of the battery temperature. It can be understood that the controller of the utility model controls the radiator to open or close according to the intensity of the light control signal of the photovoltaic generator, while avoiding safety accidents caused by high temperature of the battery, ensuring the normal charging function of the battery and extending the service life of the solar lamp. It should be noted that the embodiments of the present invention can use the "hot spot zone isolation" setting to isolate the battery from heat-sensitive components such as light sources to avoid overheating of the battery and extend the service life of the solar lamp.

[0045] See also Figures 3 to 6 As shown, in one embodiment of the utility model, the light source is connected to the controller, and the light source is connected to the battery through the controller, and the controller controls whether the battery supplies power to the light source to turn the light source on or off. It should be noted that the controller controls whether the battery supplies power to the light source to turn the light source on or off. Specifically, when the controller controls the battery not to supply power to the light source, the light source is powered off and turned off; when the controller controls the battery to supply power to the light source, the light source is powered on and turned on. In this way, the embodiment of the utility model does not need to configure an additional power supply for the light source, and while realizing intelligent control of the light source, it avoids the cost of additionally configuring a power supply for the light source, thereby achieving the effect of reducing costs.

[0046] See also Figures 3 to 6 As shown, in one embodiment of the utility model, the photovoltaic generator is connected to the battery through the controller, and the controller controls whether the battery supplies power to the light source according to the magnitude relationship between the acquired light control signal and the preset light control signal. It should be noted that, corresponding to the night, the light control voltage acquired by the controller is less than the preset value of the light control voltage, and the controller controls the battery to supply power to the light source so that the light source is turned on to realize the lighting function of the solar lamp; corresponding to the daytime, the light control voltage acquired by the controller is not less than the preset value of the light control voltage, and the controller controls the battery not to supply power to the light source so that the light source is turned off to avoid the waste of electric energy. In this way, the controller controls the opening and closing of the light source according to the acquired light control voltage, and while realizing the intelligent control of the light source, while ensuring the daily lighting function, it also avoids the waste of electric energy.

[0047] See also Figures 3 to 6As shown, in one embodiment of the utility model, the controller includes a second acquisition module, a second comparison module and a second main control module, the battery is connected to the second acquisition module, the second acquisition module acquires the discharge signal of the battery, the second acquisition module is connected to the second comparison module, the second comparison module compares the acquired discharge signal of the battery with the preset over-discharge signal of the battery, and obtains a second comparison result, the second comparison module is connected to the second main control module, and the second main control module controls whether the battery supplies power to the light source according to the second comparison result. It should be noted that the discharge signal of the battery includes a discharge current and a discharge voltage, and the over-discharge signal of the battery includes an over-discharge voltage and an over-discharge current. Specifically, when the battery discharge voltage acquired by the controller is not less than the over-discharge voltage of the battery, it indicates that the battery has sufficient power at this time, and the controller controls the battery to supply power to the light source so that the light source is turned on to meet the lighting needs of the solar lamp; when the battery discharge voltage acquired by the controller is less than the over-discharge voltage of the battery, it indicates that the battery has insufficient power at this time, and the controller controls the battery not to supply power to the light source so that the light source is turned off to avoid damage to the battery caused by over-discharge. The embodiment of the utility model ensures the lighting demand of the solar lamp while avoiding damage to the battery due to over-discharge, thereby extending the service life of the battery.

[0048] See also Figures 3 to 6 As shown, in one embodiment of the utility model, the light source and the energy supply system are an integrated structural member. Specifically, the solar lamp includes a mounting head, the mounting head is formed with a mounting groove and a plug-in portion arranged back to back, the light source and the energy supply system are respectively arranged in the mounting groove, and the plug-in portion is used to be installed and connected with an external structure. In this way, the light source and the energy supply system are integrated into an integrated structure through the mounting head, which provides convenience for the installation of solar lamps. Of course, the groove wall of the mounting groove can be made of light-transmitting material, or a light-transmitting hole can be opened in the groove wall, or even a through mounting groove can be formed, so that the light intensity emitted by the light source can be irradiated to the outside world. The plug-in portion can be a plug connector or a plug-in groove, and the mounting head can be connected to a lamp pole or a lamp holder through the plug-in portion. The photovoltaic generator cover is arranged at the notch of the mounting groove, and the light-receiving surface of the photovoltaic generator is back to the bottom of the mounting groove. The light-receiving surface of the photovoltaic generator fully converts light energy into electrical energy, and the converted electrical energy is supplied to external devices, thereby fully utilizing solar energy and achieving the effect of energy saving and emission reduction.

[0049] Example 1

[0050] The integrated solar lamp 1000 includes: a solar panel 30, a controller 50, a radiator 10, a battery 70, a light source module 90 and a structural kit, wherein the radiator 10 is a cooling fan, see Figure 7As shown, the structural kit is formed with a mounting groove 200a and a plug-in part 300 arranged back to back, and the solar panel 30, the controller 50, the cooling fan, the battery 70, and the light source module 90 are respectively installed in the mounting groove 200a, and the plug-in part 300 is used to connect to an external support. The solar panel 30, the cooling fan, the battery 70, and the light source module 90 are respectively connected to the controller 50, see Figure 8 As shown, the controller 50 sets the preset value of the light-controlled voltage, the over-discharge voltage value of the battery 70 and the over-charge voltage value of the battery 70 according to the program. The controller 50 issues instructions to control the light source module 90 and the cooling fan to work or not work according to the voltage signal of the battery 70 and the light-controlled voltage of the solar panel 30. The specific control procedure is as follows:

[0051] When the controller 50 obtains that the light-controlled voltage is not less than the preset value of the light-controlled voltage, and obtains that the charging voltage of the battery 70 is not less than the overcharge voltage of the battery 70, the controller 50 controls to close the charging channel of the battery 70, and adjusts the power converted by the solar panel 30 to power the cooling fan, so that the cooling fan works to achieve the effect of cooling the battery 70, see Figure 3 This mode corresponds to the situation that the light intensity is strong during the day and the battery 70 has sufficient power, and the cooling fan works to promote air flow to achieve the cooling effect and reduce the temperature of the battery 70.

[0052] When the controller 50 obtains that the light-controlled voltage is not less than the preset value of the light-controlled voltage, and obtains that the charging voltage of the battery 70 is less than the overcharge voltage of the battery 70, the controller 50 controls the electric energy converted by the solar panel 30 to be stored in the battery 70, and charges the battery 70. Figure 4 This mode corresponds to the situation that the light intensity is weak during the day and the battery 70 is insufficient, and the battery 70 is charged to ensure that the light source module 90 is powered at night.

[0053] When the controller 50 obtains that the light control voltage is less than the preset value of the light control voltage, and obtains that the discharge voltage of the battery 70 is greater than the over-discharge voltage of the battery 70, the controller 50 controls the energy in the battery 70 to energize the light source module 90 according to the preset parameters, so that the light source module 90 works. Figure 5 This mode corresponds to the night when the storage battery 70 is charged, the storage battery 70 supplies power to the light source module 90, and the light source of the light source module 90 works to provide lighting.

[0054] When the controller 50 obtains that the light control voltage is less than the preset value of the light control voltage, and obtains that the discharge voltage of the battery 70 is not greater than the over-discharge voltage of the battery 70, the controller 50 controls the light source module 90 to be powered off so that the light source module 90 does not work. Figure 6This mode corresponds to the case where the battery 70 is insufficient at night, the battery 70 cannot supply power to the light source module 90, the light source of the light source module 90 does not work, and does not provide lighting.

[0055] Based on the above control technology, after dark at night, there is no light, resulting in the light control voltage obtained by the controller 50 being less than the preset value of the light control voltage. The controller 50 controls the battery 70 to supply power to the light source of the light source module 90, and the light source lights up according to the preset program to provide lighting. At this time, the cooling fan does not work.

[0056] Based on the above control technology, in sunny and high temperature seasons, see Figure 1 to Figure 2 As shown, there is sufficient sunlight during the day, and the solar panel 30 has a strong power generation capacity, so the battery 70 can be fully charged in a relatively short time. After the battery 70 is fully charged, when the charging voltage of the battery 70 reaches the overcharge voltage, the controller 50 switches the electric energy converted by the solar panel 30 to the cooling fan, thereby dissipating the heat of the battery 70 and avoiding an explosion caused by excessive temperature of the battery 70.

[0057] Based on the above control technology, in the season with few sunny days and low temperature, see Figure 1 to Figure 2 As shown, there is insufficient sunlight during the day, and there are many rainy, snowy and cloudy days. The power generation capacity of the solar panel 30 is low, and the electricity used at night can only be supplied by the electricity generated on sunny days minus the excess electricity stored in the battery 70 after the electricity used every night. In this seasonal situation, it is difficult to fully charge the battery 70, and the charging voltage of the battery 70 cannot reach the overcharge voltage of the battery 70. The controller 50 will not trigger the switch of the cooling fan, thereby achieving the purpose of not allowing the cooling fan to work when the temperature is low in spring and winter.

[0058] The embodiment of the utility model realizes that in the season with many sunny days and high temperature, the abundant electric energy converted by the solar panel 30 is used to power the radiator 10, so as to reduce the temperature of the battery 70, thereby achieving the heat dissipation effect of the battery 70; in the season with few sunny days and low temperature, the temperature of the battery 70 is not high, and the radiator 10 is not needed for heat dissipation. Therefore, the utility model achieves the peak heat dissipation according to the weather changes, ensures the safe use of the battery 70, and prolongs the service life of the solar lamp 1000.

[0059] Example 2

[0060] The split solar lamp 1000 includes: a solar panel 30, a light source module 90, a battery pack and a vertical pole 400, the battery pack includes a housing 500, a controller 50, a radiator 10 and a battery 70, the light source module 90 includes a light source, the radiator 10 is a cooling fin radiator, an installation space 500a is formed in the housing 500, the controller 50, the radiator 10 and the battery 70 are installed in the installation space 500a, the housing 500, the light source module 90 and the solar panel 30 are sequentially arranged along the length direction of the vertical pole 400, and the solar panel 30 is convexly arranged at the end of the vertical pole 400, see Figures 9 and 10 The solar panel 30, the radiator 10, the battery 70 and the light source module 90 are connected to the controller 50 respectively. Fig.11 As shown, the controller 50 sets the preset value of the light-controlled voltage, the over-discharge voltage value of the battery 70 and the over-charge voltage value of the battery 70 according to the program, and the controller 50 issues instructions to control the light source module 90 and the cooling plate radiator 10 to work or not work according to the voltage signal of the battery 70 and the light-controlled voltage of the solar panel 30. On the basis of Example 1, the radiator 10 used in this embodiment is a cooling plate radiator, and the specific control procedure and the technical effects based on the control technology are consistent with those of Example 1.

[0061] The above description is only an optional embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A heat dissipation system, characterized in that: include: A radiator, the radiator being used to be arranged in the environment where the battery is located; A photovoltaic generator, which is arranged outside and used to generate a light control signal; A controller is connected to the photovoltaic generator, the controller obtains a light control signal generated by the photovoltaic generator, the controller is connected to the radiator, and the controller controls the radiator to open or close according to the obtained light control signal.

2. The heat dissipation system according to claim 1, characterized in that: The photovoltaic generator is connected to the radiator through the controller, and the controller controls whether the photovoltaic generator supplies power to the radiator according to the acquired light control signal, so as to turn the radiator on or off.

3. An energy supply system, characterized in that: It comprises a battery and the heat dissipation system as claimed in claim 2, wherein the radiator is arranged in the environment where the battery is located, and the battery is used to supply power to external devices.

4. The energy supply system according to claim 3, characterized in that: The battery is connected to the controller, and the controller controls whether the photovoltaic generator charges the battery according to the acquired light control signal, and the controller controls whether the photovoltaic generator supplies power to the radiator according to the charging signal of the battery.

5. The energy supply system according to claim 4, characterized in that: The controller includes a first acquisition module, a first comparison module and a first main control module. The battery is connected to the first acquisition module. The first acquisition module acquires the charging signal of the battery. The first acquisition module is connected to the first comparison module. The first comparison module compares the acquired charging signal of the battery with the size of a preset overcharge signal of the battery to obtain a first comparison result. The first comparison module is connected to the first main control module. The first main control module controls the photovoltaic generator to charge the battery or to supply power to the radiator according to the first comparison result.

6. A solar lamp, characterized in that: The invention comprises a light source and the energy supply system according to any one of claims 3 to 5, wherein a storage battery of the energy supply system is connected to the light source, and the storage battery is used to supply power to the light source.

7. The solar lamp according to claim 6, characterized in that: The light source is connected to the controller, and the light source is connected to the battery through the controller. The controller controls whether the battery supplies power to the light source to turn the light source on or off.

8. The solar lamp according to claim 7, characterized in that: The photovoltaic generator is connected to the storage battery through the controller, and the controller controls whether the storage battery supplies power to the light source according to the magnitude relationship between the acquired light control signal and a preset light control signal.

9. The solar lamp according to claim 8, characterized in that: The controller includes a second acquisition module, a second comparison module and a second main control module. The battery is connected to the second acquisition module. The second acquisition module acquires the discharge signal of the battery. The second acquisition module is connected to the second comparison module. The second comparison module compares the acquired discharge signal of the battery with the size of the preset over-discharge signal of the battery to obtain a second comparison result. The second comparison module is connected to the second main control module. The second main control module controls whether the battery supplies power to the light source according to the second comparison result.

10. The solar lamp according to any one of claims 6 to 9, characterized in that: The light source and the energy supply system are integrated structural components.

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