Light source device and track spotlight

Abstract

The utility model discloses a light source device which comprises a light source plate, a light source module is arranged on the light source plate, the peak wavelength of a first peak of a luminescence spectrum of the light source module ranges from 445 nm to 455 nm, and the half-peak bandwidth ranges from 15 nm to 25 nm. The peak wavelength of a second peak of the luminescent spectrum is 515 nm to 525 nm, and the half-peak bandwidth is 25 nm to 35 nm; the peak wavelength of a third peak of the luminescence spectrum is 630-640 nm, the half-peak bandwidth is 15-25 nm, and the color temperature of light emitted by the light source module is in the range of 3000-6500 k. The utility model further discloses a track spotlight which comprises a base and a lamp body installed on the base, the light source device is arranged in the lamp body, a control module and a driving module are arranged in the base, and the control module is used for adjusting the constant current output by the driving module so as to adjust the working state of the light source module. According to the utility model, five-channel mixed dimming can be realized, various light spectrum modes are formed, the application range is wide, and the dimming effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of lighting fixtures, in particular to a light source device and a track spotlight. Background Art

[0002] At present, the light source devices of some track spotlights are generally three-channel RGB dimming. By adjusting the working states of the RGB three-way light sources respectively, different light spectrum modes can be realized, so as to meet the lighting requirements of corresponding application scenarios. However, with the continuous improvement of people's living standards, the light spectrum modes formed by simple three-channel RGB lamps can no longer meet the actual use requirements of users. Their lighting atmosphere and lighting effects are relatively insufficient, and the power consumption is relatively high. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a light source device and a track spotlight, which can realize five-channel mixed dimming, form a variety of light spectrum modes, have a wide application range, and good dimming effects.

[0004] To solve the above technical problem, the utility model provides a light source device, including a light source board, on which a light source module is provided. The peak wavelength of the first peak of the emission spectrum of the light source module is in the range of 445 nm to 455 nm, and the full width at half maximum is in the range of 15 nm to 25 nm; the peak wavelength of the second peak of the emission spectrum is in the range of 515 nm to 525 nm, and the full width at half maximum is in the range of 25 nm to 35 nm; the peak wavelength of the third peak of the emission spectrum is in the range of 630 nm to 640 nm, and the full width at half maximum is in the range of 15 nm to 25 nm. The color temperature of the light emitted by the light source module is in the range of 3000K to 6500K; the spectral intensity of the first peak is 20% to 98% of the spectral intensity of the third peak, and the spectral intensity of the second peak is 40% to 95% of the spectral intensity of the third peak; or the spectral intensity of the second peak is 65% to 80% of the spectral intensity of the first peak, and the spectral intensity of the third peak is 45% to 60% of the spectral intensity of the first peak.

[0005] As an improvement to the above solution, the emission spectrum includes a high color rendering spectrum and / or a high saturation spectrum. The high color rendering spectrum includes a high color rendering 3000K spectrum, a high color rendering 4000K spectrum, a high color rendering 5000K spectrum, and a high color rendering 6500K spectrum. The spectral intensity of the first peak of the high color rendering 3000K spectrum is 25% of the spectral intensity of the third peak, the spectral intensity of the second peak is 43% of the spectral intensity of the third peak, and the color temperature is 3000K. The spectral intensity of the first peak of the high color rendering 4000K spectrum is 64% of the spectral intensity of the third peak, the spectral intensity of the second peak is 78% of the spectral intensity of the third peak, and the color temperature is 4000K. The spectral intensity of the first peak of the high color rendering 5000K spectrum is 98% of the spectral intensity of the third peak, the spectral intensity of the second peak is 94% of the spectral intensity of the third peak, and the color temperature is 5000K. The spectral intensity of the second peak of the high color rendering 6500K spectrum is 67% of the spectral intensity of the first peak, the spectral intensity of the third peak is 47% of the spectral intensity of the first peak, and the color temperature is 6500K.

[0006] The high saturation spectrum includes a high saturation 3000K spectrum, a high saturation 4000K spectrum, a high saturation 5000K spectrum, and a high saturation 6500K spectrum. The spectral intensity of the first peak of the high saturation 3000K spectrum is 23% of the spectral intensity of the third peak, the spectral intensity of the second peak is 42% of the spectral intensity of the third peak, and the color temperature is 3000K. The spectral intensity of the first peak of the high saturation 4000K spectrum is 48% of the spectral intensity of the third peak, the spectral intensity of the second peak is 55% of the spectral intensity of the third peak, and the color temperature is 4000K. The spectral intensity of the first peak of the high saturation 5000K spectrum is 91% of the spectral intensity of the third peak, the spectral intensity of the second peak is 88% of the spectral intensity of the third peak, and the color temperature is 5000K. The spectral intensity of the second peak of the high saturation 6500K spectrum is 77% of the spectral intensity of the first peak, the spectral intensity of the third peak is 57% of the spectral intensity of the first peak, and the color temperature is 6500K.

[0007] As an improvement to the above solution, the light source module includes: a first light-emitting part that emits red light, with a peak wavelength of 630 nm, a main wavelength of 623 nm, and a full-width at half-maximum of 20 nm; a second light-emitting part that emits green light, with a peak wavelength of 523 nm, a main wavelength of 529 nm, and a full-width at half-maximum of 36 nm; a third light-emitting part that emits blue light, with a peak wavelength of 453 nm, a main wavelength of 458 nm, and a full-width at half-maximum of 22 nm; a fourth light-emitting part that emits white light, with a peak wavelength of 449 nm, a main wavelength of 492 nm, a full-width at half-maximum of 23 nm, and a color temperature of 6258 k; and a fifth light-emitting part that emits white light, with a peak wavelength of 620 nm, a main wavelength of 584 nm, a full-width at half-maximum of 130 nm, and a color temperature of 2675 k.

[0008] The present utility model also provides a track spotlight, which includes a base and a lamp body installed on the base. The lamp body is provided with the above-mentioned light source device; a main control board is provided in the base, and a control module and a driving module are provided on the main control board. The driving module is connected to the light source module for outputting a constant current to the light source module; the control module is connected to the driving module for adjusting the constant current output by the driving module according to the input control signal to adjust the working state of the light source module.

[0009] As an improvement to the above solution, the lamp body includes a lamp housing and a light-emitting cover installed on the lamp housing. A reflector cup and the light source device are provided in the lamp housing. A flared opening is provided in the light-emitting cover. Two ends of the reflector cup are respectively connected to the light source board and the light-emitting cover, and the light of the light source module is irradiated outward through the inner cavity of the reflector cup and the flared opening in sequence.

[0010] As an improvement to the above solution, a heat dissipation member is provided in the lamp housing, and the light source board is installed on the heat dissipation plate of the heat dissipation member.

[0011] As an improvement to the above solution, a hollow fixing plate is provided in the lamp housing. The hollow fixing plate covers the light source board and is fixedly connected to the heat dissipation plate of the heat dissipation member. The light source module is exposed from the hollow position of the hollow fixing plate, and two ends of the reflector cup are respectively abutted against the hollow fixing plate and the light-emitting cover.

[0012] As an improvement to the above solution, a transparent frosted sheet is provided between the reflector cup and the light-emitting cover.

[0013] As an improvement to the above solution, a plurality of heat dissipation fins are provided at one end of the heat dissipation plate away from the light source board, and the plurality of heat dissipation fins are arranged at intervals in the circumferential direction.

[0014] As an improvement to the above solution, the light source module includes five light-emitting parts, the driving module includes five constant-current driving modules, the constant-current driving modules are correspondingly connected to the light-emitting parts of different channels, the constant-current driving module includes a constant-current driving chip, a first resistor, a second resistor, a first inductor, a first capacitor, a second capacitor, a third capacitor, a first diode, a second diode and a sampling module, and the constant-current driving chip includes a signal control pin, a power supply pin, an output pin, a sampling pin, a power supply pin and a ground pin; the signal control pin is connected to the signal output end of the control module through the first resistor, the power supply pin is connected to the negative electrode of the first diode through the second resistor, the positive electrode of the first diode is connected to the first power supply voltage and the positive electrode of the light-emitting part and grounded through the first capacitor; the output pin is connected to the negative electrode of the light-emitting part through the first inductor, the output pin is connected to the positive electrode of the second diode, the negative electrode of the second diode is connected to the first power supply voltage, the negative electrode of the light-emitting part is connected to the first power supply voltage through the second capacitor, the power supply pin is grounded through the third capacitor, the sampling pin is grounded through the sampling module, and the ground pin is grounded.

[0015] As an improvement to the above solution, the main control board further includes a wireless communication module and a power supply module. The power supply module is respectively connected to the control module, the driving module, the wireless communication module and the light source module for adaptively supplying power to the control module, the driving module, the wireless communication module and the light source module; the wireless communication module is connected to the control module for sending the received control signal to the control module, and the control module adjusts the constant-current supplied by the driving module according to the control signal to adjust the working state of the light source module.

[0016] As an improvement to the above solution, the power supply module includes a power supply step-down chip, a third resistor, a fourth resistor, a fifth resistor, a fourth capacitor, a fifth capacitor, a first electrolytic capacitor, a third diode and a second inductor; the power supply step-down chip includes a BST pin, a GND pin, an FB pin, an EN pin, a VIN pin and an SW pin; the VIN pin is connected to the first power supply voltage and connected to the EN pin through the third resistor, the SW pin is connected to the negative electrode of the third diode, the positive electrode of the third diode is grounded, the SW pin is grounded through the second inductor and the first electrolytic capacitor, the connection end between the second inductor and the first electrolytic capacitor outputs a second power supply voltage, the SW pin is also connected to the BST pin through the fourth capacitor, the fifth capacitor is connected in parallel with the first electrolytic capacitor; the FB pin is connected to the connection end between the second inductor and the first electrolytic capacitor through the fourth resistor, the FB pin is also grounded through the fifth resistor, and the GND pin is grounded.

[0017] As an improvement to the above solution, the wireless communication module includes a remote control communication chip, a sixth resistor, a seventh resistor, an eighth resistor, a sixth capacitor, an antenna module, and an indicator light module. The remote control communication chip includes a GND pin, a VCC pin, a data pin, an indicator pin, a PD pin, an RST pin, and an ANT pin. The GND pin is grounded and connected to the second power supply voltage and the VCC pin respectively through the sixth capacitor. The data pin is connected to the data communication end of the control module through a resistor module. The indicator pin is connected to the indicator light module and grounded through the sixth resistor. The PD pin is grounded through the seventh resistor. The RST pin is connected to the second power supply voltage through the eighth resistor. The ANT pin is connected to the antenna module.

[0018] Implementing the present utility model has the following beneficial effects:

[0019] The light source device and track spotlight of the present utility model can independently control multiple light-emitting parts in the light source module to respectively adjust the working states of the light-emitting parts in different channels, so as to form multiple light spectrum modes of five-channel mixed dimming, with a wide range of applications, good dimming effects, and low power consumption, meeting the actual usage needs of users. Description of the Drawings

[0020] Figure 1 is a schematic structural diagram of the track spotlight of the present utility model;

[0021] Figure 2 is a schematic cross-sectional structural diagram of the track spotlight of the utility model;

[0022] Figure 3 is a schematic structural diagram of the lamp body and base of the present utility model;

[0023] Figure 4 is a schematic structural diagram of the heat dissipation part and light source device of the present utility model;

[0024] Figure 5 is Figure 2 an enlarged schematic structural diagram of part A;

[0025] Figure 6 is a schematic structural diagram of the light source device of the present utility model;

[0026] Figure 7 is a control logic structure diagram of the track spotlight of the present utility model;

[0027] Figure 8 is a schematic structural diagram of the drive module of the present utility model;

[0028] Figure 9 is the spectrum of the light source device of the present utility model Figure 1 ;

[0029] Figure 10 is the spectrum of the light source device of the present utility model Figure 2 ;

[0030] Figure 11 is the circuit schematic diagram of the power supply module of the present utility model;

[0031] Figure 12 is the circuit schematic diagram of the control module of the present utility model;

[0032] Figure 13 is the circuit schematic diagram of the constant current drive module of the present utility model;

[0033] Figure 14 is the circuit schematic diagram of the wireless communication module of the present utility model. Specific embodiments

[0034] To make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings. It is hereby declared that the orientation terms such as up, down, left, right, front, back, inside and outside that appear or will appear in the text of the present utility model are only based on the accompanying drawings of the present utility model, and they do not specifically limit the present utility model.

[0035] As Figures 1 to 6 shown, a specific embodiment of the present utility model provides a track spotlight, which includes a base 1 and a lamp body 2 installed on the base 1. The base 1 is used for installation on a corresponding track. The lamp body 2 includes a lamp housing 21 and a light output cover 22 installed on the lamp housing 21. A reflecting cup 24 and a light source device 23 are arranged inside the lamp housing. The light source device includes a light source board 231, and a light source module 232 is arranged on the light source board 231.

[0036] A flared opening with an anti-glare structure is arranged in the light output cover 22; both ends of the reflecting cup 24 are respectively connected to the light source board 231 and the light output cover 22. The light of the light source module 232 is irradiated outward in sequence through the inner cavity of the reflecting cup 24 and the flared opening, so as to realize the light output illumination work at a corresponding light output angle, ensure that when the lamp is used normally, there is no dazzling light spot visually, achieve a good anti-glare effect and light mixing effect, and the user experience is high, meeting the actual use needs of users.

[0037] Preferably, the material of the flared opening is a matte material, which can reduce the reflection and refraction of light, thereby reducing glare, alleviating eye fatigue, and achieving an anti-glare effect.

[0038] Preferably, the light source board 231 is preferably a COB light source board 231, but is not limited thereto, and can also be adjusted according to actual requirements. Among them, the light source module 232 includes five light-emitting parts 233, and each light-emitting part 233 includes at least one LED lamp or light-emitting chip.

[0039] In order to prevent the light source board 231 from overheating seriously, a heat dissipation member 25 is provided in the lamp housing 21, and the light source board 231 is installed on the heat dissipation plate 251 of the heat dissipation member 25, so as to dissipate the heat generated by the light source board 231 through the heat dissipation member 25, effectively reducing the working temperature of the light source board 231 and avoiding the situation that the normal operation of the light source board 231 is affected or even burned out due to too high temperature.

[0040] Specifically, the light source module 232 is provided in the middle of the light source board 231; a hollow fixing plate 26 is provided in the lamp housing 21, the hollow fixing plate 26 covers the light source board 231, and the light source module is exposed from the hollow position of the hollow fixing plate. The hollow fixing plate 26 is fixedly connected to the heat dissipation plate 251 of the heat dissipation member 25 by means of screw fixation, so that the light source board 231 is fixed on the heat dissipation member 25 through the hollow fixing plate 26, thereby effectively dissipating heat from the light source board 231 through the heat dissipation member 25. Among them, the light source module is exposed from the hollow position of the hollow fixing plate.

[0041] Preferably, a plurality of heat dissipation fins 252 are provided at one end of the heat dissipation plate 251 away from the light source board 231, and the plurality of heat dissipation fins 252 are arranged at intervals in the circumferential direction. By providing the plurality of heat dissipation fins 252, the heat dissipation efficiency and heat dissipation effect of the light source board 231 are further improved.

[0042] Among them, both ends of the reflecting cup 24 are respectively abutted against the hollow fixing plate 26 and the light-emitting cover 22, so that the reflecting cup 24 is relatively fixed in the lamp housing 21. At this time, the light of the light source module 232 is irradiated outward through the inner cavity of the reflecting cup 24 and the flared opening in sequence to realize the light-emitting illumination work with a corresponding light-emitting angle.

[0043] Preferably, the reflecting cup 24 is a scale reflecting cup, and excellent light mixing effect can be achieved through a plurality of scales inside the reflecting cup 24. It should be noted that in other embodiments, the reflecting cup 24 can also be replaced with a TIR lens. The light of the light source module 232 is irradiated outward through the TIR lens and the flared opening in sequence, and can also achieve good anti-glare effect and light mixing effect.

[0044] Preferably, a transparent frosted sheet 27 is provided between the reflecting cup 24 and the light-emitting cover 22, and the transparent frosted sheet 27 can achieve the effect of uniform light spot, so that the light mixing of the light emitted by the reflecting cup 24 is more uniform, thereby further improving the light mixing effect and anti-glare effect.

[0045] As Figure 6 and Figure 7 shown, a main control board 3 is provided inside the base. A control module 31 and a driving module 32 are provided on the main control board 3. The driving module 32 is connected to the light source module 232 and is used to output constant current to five light-emitting parts 233 in the light source module 232 respectively. Among them, the five light-emitting parts 233 include but are not limited to RGBCW five-channel light-emitting parts 233, and can also be adjusted according to actual needs.

[0046] The control module 31 is connected to the driving module 32 and is used to adjust the constant current output by the driving module 32 according to the input control signal, so as to adjust the working states of the light-emitting parts 233 in different channels (R / G / B / C / W channels) respectively. The light emitted by the light-emitting parts 233 in each channel is mixed to form the emission spectrum of the light source module 232 and the lamp body.

[0047] The peak wavelength of the first peak of the emission spectrum of the light source module 232 is 445nm - 455nm, and the full width at half maximum is 15nm - 25nm; the peak wavelength of the second peak of the emission spectrum is 515nm - 525nm, and the full width at half maximum is 25nm - 35nm; the peak wavelength of the third peak of the emission spectrum is 630nm - 640nm, and the full width at half maximum is 15nm - 25nm. The color temperature of the light emitted by the light source module 232 is in the range of 3000K - 6500k;

[0048] The spectral intensity of the first peak is 20% - 98% of the spectral intensity of the third peak, and the spectral intensity of the second peak is 40% - 95% of the spectral intensity of the third peak; or the spectral intensity of the second peak is 65% - 80% of the spectral intensity of the first peak, and the spectral intensity of the third peak is 45% - 60% of the spectral intensity of the first peak. Tests show that when the color temperature of the light emitted by the light source device with the above parameters is in the range of 3000K - 6500k, the color rendering index Ra ≥ 80.

[0049] Furthermore, the first dominant wavelength of the emission spectrum of the light source module 232 is 450nm - 460nm; the second dominant wavelength is 522nm - 532nm; the third dominant wavelength is 620nm - 630nm.

[0050] Specifically, the emission spectrum includes a high-fidelity spectrum and a high-saturation spectrum. As Figures 9 to 10 shown, the high-fidelity spectrum includes a high-fidelity 3000K spectrum, a high-fidelity 4000K spectrum, a high-fidelity 5000K spectrum, and a high-fidelity 6500K spectrum.

[0051] The spectral intensity of the first peak of the high-fidelity 3000K spectrum is 25% of the spectral intensity of the third peak, the spectral intensity of the second peak is 43% of the spectral intensity of the third peak, and the color temperature is 3000K;

[0052] The spectral intensity of the first peak of the high-fidelity 4000K spectrum is 64% of the spectral intensity of the third peak, the spectral intensity of the second peak is 78% of the spectral intensity of the third peak, and the color temperature is 4000K;

[0053] The spectral intensity of the first peak of the high-fidelity 5000K spectrum is 98% of the spectral intensity of the third peak, the spectral intensity of the second peak is 94% of the spectral intensity of the third peak, and the color temperature is 5000K;

[0054] The spectral intensity of the second peak of the high-fidelity 6500K spectrum is 67% of the spectral intensity of the first peak, the spectral intensity of the third peak is 47% of the spectral intensity of the first peak, and the color temperature is 6500K.

[0055] Among them, the highest peak wavelength of the high-fidelity 3000K spectrum is 636nm, the full width at half maximum is 36nm, and the dominant wavelength is 583.8nm; the highest peak wavelength of the high-fidelity 4000K spectrum is 637nm, the full width at half maximum is 144.7nm, and the dominant wavelength is 576.9nm; the highest peak wavelength of the high-fidelity 5000K spectrum is 452nm, the full width at half maximum is 27.4nm, and the dominant wavelength is 569.7nm; the highest peak wavelength of the high-fidelity 6500K spectrum is 453nm, the full width at half maximum is 26.9nm, and the dominant wavelength is 488.1nm. The color rendering index Ra≥90, the TM30 hue circle deviation ≥5, the color fidelity Rf are all ≥90, and the color saturation Rg are all ≥100 for the above high-fidelity spectra of this embodiment.

[0056] The high-saturation spectra include high-saturation 3000K spectra, high-saturation 4000K spectra, high-saturation 5000K spectra, and high-saturation 6500K spectra.

[0057] The spectral intensity of the first peak of the high-saturation 3000K spectrum is 23% of the spectral intensity of the third peak, the spectral intensity of the second peak is 42% of the spectral intensity of the third peak, and the color temperature is 3000K;

[0058] The spectral intensity of the first peak of the high-saturation 4000K spectrum is 48% of the spectral intensity of the third peak, the spectral intensity of the second peak is 55% of the spectral intensity of the third peak, and the color temperature is 4000K;

[0059] The spectral intensity of the first peak of the high-saturation 5000K spectrum is 91% of the spectral intensity of the third peak, the spectral intensity of the second peak is 88% of the spectral intensity of the third peak, and the color temperature is 5000K;

[0060] The spectral intensity of the second peak of the high-saturation 6500K spectrum is 77% of the spectral intensity of the first peak, the spectral intensity of the third peak is 57% of the spectral intensity of the first peak, and the color temperature is 6500K.

[0061] Among them, the highest peak wavelength of the high-saturation 3000K spectrum is 637nm, the full width at half maximum is 29.1nm, and the dominant wavelength is 584.4nm; the highest peak wavelength of the high-saturation 4000K spectrum is 639nm, the full width at half maximum is 33.2nm, and the dominant wavelength is 580.1nm; the highest peak wavelength of the high-saturation 5000K spectrum is 638nm, the full width at half maximum is 43.6nm, and the dominant wavelength is 565nm; the highest peak wavelength of the high-saturation 6500K spectrum is 454nm, the full width at half maximum is 25.2nm, and the dominant wavelength is 489.3nm. The color rendering index Ra≥80, the TM30 hue circle offset≥10, and the color fidelity Rf are all≥80, and the color saturation Rg≥105 of the above high-saturation spectra in this embodiment.

[0062] Further, the five light-emitting parts include but are not limited to: a first light-emitting part that emits red light, the peak wavelength of the first light-emitting part is 630nm, the dominant wavelength is 623nm, and the full width at half maximum is 20nm; a second light-emitting part that emits green light, the peak wavelength of the second light-emitting part is 523nm, the dominant wavelength is 529nm, and the full width at half maximum is 36nm; a third light-emitting part that emits blue light, the peak wavelength of the third light-emitting part is 453nm, the dominant wavelength is 458nm, and the full width at half maximum is 22nm; a fourth light-emitting part that emits white light, the peak wavelength of the fourth light-emitting part is 449nm, the dominant wavelength is 492nm, and the full width at half maximum is 23nm, and the color temperature is 6258k; and a fifth light-emitting part that emits white light, the peak wavelength of the fifth light-emitting part is 620nm, the dominant wavelength is 584nm, and the full width at half maximum is 130nm, and the color temperature is 2675k. In practice, the control module 31 can adjust the currents output by the driving module 32 to the five light-emitting parts respectively to adjust the working states of the five light-emitting parts respectively, so as to realize the output of the foregoing light-emitting spectrum after the lights emitted by the light-emitting part 2 are mixed. In addition, it should be noted that each light-emitting part can use a light-emitting chip with corresponding parameters, such as a blue light chip, a red light chip, a green light chip, etc., or can also be composed of a light-emitting chip exciting a phosphor, and the light-emitting chip and the phosphor are encapsulated by a packaging colloid. The present invention does not limit this.

[0063] Preferably, both the high-fidelity 3000K spectrum and the high-saturation 3000K spectrum are for yellow-based products; the color-rendering 3000K white light, the high-fidelity 4000K spectrum and the high-saturation 4000K spectrum are for red-based products, the color-rendering 4000K white light, the high-fidelity 5000K spectrum and the high-saturation 5000K spectrum are for green-based products, and the high-fidelity 6500K and high-saturation 6500K spectra are for light and dark-colored products, and the color-rendering 6500K white light. Through the above-mentioned multiple spectral modes, the lighting requirements of different products or commercial color-rendering lighting scenarios can be met.

[0064] Therefore, the present utility model adjusts the working states of the light-emitting parts 233 of the five channels respectively according to different dimming ratio distribution modes, realizes different light spectral modes and lighting effects, adapts to the lighting requirements of different application scenarios, and is much better than the existing three-channel dimming light spectral modes and effects, with a wider application range and can effectively meet the actual use needs of users. Secondly, the present utility model consumes less power for the same lighting brightness and can achieve higher brightness with the same power consumption, thus having the characteristics of high brightness, good light transmittance and low power consumption, further meeting the actual needs of users.

[0065] As Figure 6 and 7 shown, the main control board 34 further includes a wireless communication module 33 and a power supply module 34. The power supply module 34 is respectively connected to the control module 31, the driving module 32, the wireless communication module 33 and 232 for adaptively supplying power to the control module 31, the driving module 32, the wireless communication module 33 and the light source module 232. The wireless communication module 33 is connected to the control module 31 for sending the received control signal to the control module 31. The control module 31 adjusts the constant current output by the driving module 32 according to the control signal to respectively adjust the working states of the light-emitting parts 233 of different channels, so as to realize dimming control in a wireless manner and meet the convenient control needs of users.

[0066] Preferably, as Figure 8 shown, the driving module 32 includes five constant current driving modules 321. The constant current driving modules 321 are respectively connected to the light-emitting parts 233 of different channels to respectively control the light-emitting parts 233 of the corresponding channels to perform dimming work, so as to create a rich and diverse lighting atmosphere and meet the dimming requirements of different dimming modes.

[0067] In order to reduce the product volume, the main control board 3 includes a control board and a drive board stacked in two layers. The drive module and the power supply module are arranged on the drive board at the bottom layer, and the control module and the wireless communication module are arranged on the control board at the top layer. The two boards are connected by means of positioning pins. By adopting the main control board 3 with a double-layer stacked structure, the occupied volume can be reduced, thereby reducing the product volume.

[0068] The following further describes the present utility model in detail in conjunction with specific circuit diagrams:

[0069] As Figures 11 to 14 shown, Figures 11 to 14 Fig. shows the circuit structure diagram of the track spotlight of the present utility model. The circuit structures of the power supply module 34, the control module 31, the wireless communication module 43, and the constant current drive module 321 will be described below respectively:

[0070] I. Power supply module 34

[0071] As Figure 11 shown, the power supply module 34 includes a power supply buck chip U2, a third resistor R3, a fourth resistor R1, a fifth resistor R2, a fourth capacitor C2, a fifth capacitor CC1, a first electrolytic capacitor CE2, a third diode 1DD, and a second inductor L1; the power supply buck chip U2 includes a BST pin, a GND pin, an FB pin, an EN pin, a VI N pin, and a SW pin;

[0072] The first power supply voltage VCC is input to the VI N pin of the power supply buck chip. The VI N pin is connected to the first power supply voltage VCC and is connected to the EN pin through the third resistor R3. The SW pin is connected to the negative terminal of the third diode 1DD. The positive terminal of the third diode 1DD is grounded. The SW pin is grounded through the second inductor L1 and the first electrolytic capacitor CE2. The connection end between the second inductor L1 and the first electrolytic capacitor CE2 outputs the second power supply voltage 3.3V. The SW pin is also connected to the BST pin through the fourth capacitor C2. The fifth capacitor CC1 is connected in parallel with the first electrolytic capacitor CE2. The FB pin is connected to the connection end between the second inductor L1 and the first electrolytic capacitor CE2 through the fourth resistor R1. The FB pin is also grounded through the fifth resistor R2. The GND pin is grounded.

[0073] It should be noted that the first power supply voltage VCC is stepped down by the power supply buck chip U2 to convert it into the second power supply voltage and is adaptively supplied to the control module 31 and the wireless communication module 33. The first power supply voltage VCC is also input to the constant current drive module 321 to adaptively supply power to the constant current drive module 321 to ensure that the entire circuit is powered on and operates.

[0074] Among them, the input first power supply voltage VCC is DC24 - 48V, and the specific value can be selected according to actual requirements.

[0075] Preferably, the model of the power supply buck chip U2 is preferably TD1466TR, but it is not limited thereto and can be selected according to actual requirements.

[0076] II. Control module 31

[0077] As Figure 12 shown, Figure 12 The specific circuit structure diagram of the control module 31 is shown, and will not be elaborated here one by one. Among them, multiple spectral control modes (including high - reduction - degree spectrum and high - saturation spectrum modes) are pre - stored in the control module 31 to switch to different lighting spectral modes, so as to adapt to different application scenarios.

[0078] Preferably, the control module 31 includes an MCU chip U6, and the specific model of the MCU chip U6 is preferably APM32F030C8T6.

[0079] III. Constant - current drive module 321

[0080] As Figure 13 shown, the constant - current drive module 321 includes a constant - current drive chip U1, a first resistor RIN2, a second resistor RIN1, a first inductor L1, a first capacitor CC2, a second capacitor C1, a third capacitor C1N1, a first diode 1DD1, a second diode DD1, and a sampling module 3211. The constant - current drive chip U1 includes a signal control pin DIM, a power supply pin VIN, an output pin DRAIN, a sampling pin CS, a power supply pin VDD, and a ground pin GND;

[0081] The signal control pin DIM is connected to the signal output terminal (PWM1, PWM2, PWM3, PWM4, or PWM5) of the control module 31 through the first resistor RIN2. The power supply pin VIN is connected to the negative terminal of the first diode 1DD1 through the second resistor RIN1. The positive terminal of the first diode 1DD1 is connected to the first power supply voltage VCC and the positive terminal of the corresponding - channel light - emitting part and grounded through the first capacitor CC2. The output pin DRAIN is connected to the negative terminal of the corresponding - channel light - emitting part through the first inductor L1. The output pin DRAIN is connected to the positive terminal of the second diode DD1. The negative terminal of the second diode DD1 is connected to the first power supply voltage VCC. The negative terminal of the light - emitting part is connected to the first power supply voltage through the second capacitor C1. The power supply pin VDD is grounded through the third capacitor C1N1. The sampling pin CS is grounded through the sampling module 3211, and the ground pin GND is grounded.

[0082] It should be noted that by adjusting the PWM signal output by the control module 31, the constant current drive chip U1 can be controlled to adjust the dimming effect of the light emitting part. By outputting a high level and a PWM signal with a frequency above 4K, the dimming signal control of high brightness can be realized, so as to realize 65536-level brightness dimming, effectively improve the dimming accuracy and dimming effect, and there is no stroboscopic phenomenon, thus meeting different dimming requirements.

[0083] Among them, the resistance values of the sampling modules 3211 in each constant current drive module 321 are different from each other, and the sampling module 3211 includes at least two sampling resistors. By setting the sampling modules 3211 with different resistance values, different constant current signals output by each constant current drive chip U1 can be adjusted to achieve different dimming effects. Through the five-channel differential current design, it can effectively ensure high dimming accuracy and no stroboscopic phenomenon for each light emitting part; by finely adjusting the output current respectively to control the dimming effect of each light emitting part and create different lighting atmospheres, thus meeting the different lighting effect requirements of users.

[0084] Preferably, the specific model of the constant current drive chip U1 is preferably HD6616, but it is not limited thereto.

[0085] III. Wireless communication module 33

[0086] As Figure 14 shown, the wireless communication module 33 includes a remote control communication chip U3, a sixth resistor RK1, a seventh resistor RD4, an eighth resistor RD5, a sixth capacitor C3, an antenna module and an indicator light module 331. The remote control communication chip U3 includes a GND pin, a VCC pin, a data pin, an indicator pin KEY, a PD pin, an RST pin and an ANT pin;

[0087] The GND pin is grounded and is respectively connected to the second power supply voltage and the VCC pin through the sixth capacitor C3. The data pins (D0, D1, D2 and D3) are correspondingly connected to the data communication terminals (D0, D1, D2 and D3) of the control module 31 through a resistor module (RD0, RD1, RD2 and RD3). The indicator pin KEY is connected to the indicator light module 331 and is grounded through the sixth resistor RK1. The PD pin is grounded through the seventh resistor RD4. The RST pin is connected to the second power supply voltage through the eighth resistor RD5. The ANT pin is connected to the antenna module.

[0088] It should be noted that the antenna module of the remote control communication chip U3 receives the control signal sent by the external remote control in real time and sends it to the control module 31. The control module 31 controls each constant current drive module 321 to perform dimming work according to the control signal, so as to switch different light spectrum modes to meet the needs of different application scenarios of users.

[0089] Preferably, the specific model of the remote control communication chip U3 is preferably ASL43, but it is not limited thereto.

[0090] Among them, the indicator light module 331 includes an indicator light LED and a ninth resistor RK2. The indicator pin KEY is sequentially connected to the second power supply voltage through the indicator light LED and the ninth resistor RK2. The provided indicator light LED plays a control and indication role, so that the user can intuitively know that the device has received the control signal.

[0091] The above-disclosed are only the preferred embodiments of the present invention. Of course, the scope of the rights of the present invention cannot be limited thereby. Therefore, equivalent changes made according to the claims of the present invention still fall within the scope covered by the present invention.

Claims

1. A light source device, characterized in that: It comprises a light source board, on which a light source module is arranged, the peak wavelength of the first wave peak of the luminous spectrum of the light source module is between 445nm and 455nm, and the half-peak bandwidth is between 15nm and 25nm; the peak wavelength of the second wave peak of the luminous spectrum is between 515nm and 525nm, and the half-peak bandwidth is between 25nm and 35nm; the peak wavelength of the third wave peak of the luminous spectrum is between 630nm and 640nm, and the half-peak bandwidth is between 15nm and 25nm, and the color temperature of the light emitted by the light source module is within the range of 3000K to 6500k; The spectral intensity of the first peak is 20% to 98% of the spectral intensity of the third peak, and the spectral intensity of the second peak is 40% to 95% of the spectral intensity of the third peak; or the spectral intensity of the second peak is 65% to 80% of the spectral intensity of the first peak, and the spectral intensity of the third peak is 45% to 60% of the spectral intensity of the first peak.

2. The light source device according to claim 1, characterized in that: The luminescence spectrum includes a high reduction degree spectrum and / or a high saturation spectrum, and the high reduction degree spectrum includes a high reduction degree 3000K spectrum, a high reduction degree 4000K spectrum, a high reduction degree 5000K spectrum and a high reduction degree 6500K spectrum; The spectral intensity of the first peak of the high-reduction 3000K spectrum is 25% of the spectral intensity of the third peak, the spectral intensity of the second peak is 43% of the spectral intensity of the third peak, and the color temperature is 3000K; The spectral intensity of the first peak of the high-reduction 4000K spectrum is 64% of the spectral intensity of the third peak, the spectral intensity of the second peak is 78% of the spectral intensity of the third peak, and the color temperature is 4000K; The spectral intensity of the first peak of the high-reduction 5000K spectrum is 98% of the spectral intensity of the third peak, the spectral intensity of the second peak is 94% of the spectral intensity of the third peak, and the color temperature is 5000K; The spectral intensity of the second peak of the high-reduction 6500K spectrum is 67% of the spectral intensity of the first peak, the spectral intensity of the third peak is 47% of the spectral intensity of the first peak, and the color temperature is 6500K; The high saturation spectrum includes a high saturation 3000K spectrum, a high saturation 4000K spectrum, a high saturation 5000K spectrum and a high saturation 6500K spectrum; The spectral intensity of the first peak of the high-saturation 3000K spectrum is 23% of the spectral intensity of the third peak, the spectral intensity of the second peak is 42% of the spectral intensity of the third peak, and the color temperature is 3000K; The spectral intensity of the first peak of the high-saturation 4000K spectrum is 48% of the spectral intensity of the third peak, the spectral intensity of the second peak is 55% of the spectral intensity of the third peak, and the color temperature is 4000K; The spectral intensity of the first peak of the high-saturation 5000K spectrum is 91% of the spectral intensity of the third peak, the spectral intensity of the second peak is 88% of the spectral intensity of the third peak, and the color temperature is 5000K; The spectral intensity of the second peak of the high-saturation 6500K spectrum is 77% of the spectral intensity of the first peak, the spectral intensity of the third peak is 57% of the spectral intensity of the first peak, and the color temperature is 6500K.

3. The light source device according to claim 1 or 2, characterized in that: The light source module comprises: A first light-emitting portion emitting red light, wherein the peak wavelength of the first light-emitting portion is 630 nm, the main wavelength is 623 nm, and the half-peak bandwidth is 20 nm; A second light-emitting portion emitting green light, wherein the peak wavelength of the second light-emitting portion is 523 nm, the main wavelength is 529 nm, and the half-peak bandwidth is 36 nm; A third light-emitting portion emitting blue light, wherein the peak wavelength of the third light-emitting portion is 453 nm, the main wavelength is 458 nm, and the half-peak bandwidth is 22 nm; a fourth light-emitting portion emitting white light, wherein the fourth light-emitting portion has a peak wavelength of 449 nm, a main wavelength of 492 nm, a half-peak bandwidth of 23 nm, and a color temperature of 6258 K; and The fifth light-emitting portion emits white light, and the peak wavelength of the fifth light-emitting portion is 620nm, the main wavelength is 584nm, the half-peak bandwidth is 130nm, and the color temperature is 2675k.

4. A track spotlight, characterized in that: It comprises a base and a lamp body mounted on the base, wherein the lamp body is provided with a light source device as claimed in any one of claims 1 to 3; A main control board is provided in the base, and a control module and a driving module are provided on the main control board. The driving module is connected to the light source module and is used to output a constant current to the light source module; The control module is connected to the driving module and is used to adjust the constant current output by the driving module according to an input control signal so as to adjust the working state of the light source module.

5. The track spotlight according to claim 4, characterized in that: The lamp body includes a lamp housing and a light output cover installed on the lamp housing, a reflective cup and the light source device are arranged in the lamp housing, a trumpet mouth is arranged in the light output cover, two ends of the reflective cup are respectively connected to the light source plate and the light output cover, and the light of the light source module is irradiated outward through the inner cavity of the reflective cup and the trumpet mouth in turn.

6. The track spotlight according to claim 5, characterized in that: A heat sink is arranged in the lamp housing, and the light source board is mounted on a heat sink plate of the heat sink.

7. The track spotlight according to claim 6, characterized in that: A hollow fixing plate is provided in the lamp housing, the hollow fixing plate covers the light source plate and is fixedly connected to the heat dissipation plate of the heat dissipation element, the light source module is exposed from the hollow position of the hollow fixing plate, and the two ends of the reflective cup are respectively abutted against the hollow fixing plate and the light output cover.

8. The track spotlight according to any one of claims 5 to 7, characterized in that: A transparent frosted sheet is provided between the reflective cup and the light output cover.

9. The track spotlight according to claim 6, characterized in that: A plurality of heat dissipation fins are disposed at one end of the heat dissipation plate away from the light source plate, and the plurality of heat dissipation fins are arranged at intervals along the circumferential direction.

10. The track spotlight according to claim 4, characterized in that: The light source module includes five light-emitting parts, the driving module includes five constant current driving modules, the constant current driving modules are correspondingly connected to the light-emitting parts of different channels, the constant current driving module includes a constant current driving chip, a first resistor, a second resistor, a first inductor, a first capacitor, a second capacitor, a third capacitor, a first diode, a second diode and a sampling module, and the constant current driving chip includes a signal control pin, a power supply pin, an output pin, a sampling pin, a power supply pin and a ground pin; The signal control pin is connected to the signal output end of the control module through the first resistor, the power supply pin is connected to the cathode end of the first diode through the second resistor, the anode end of the first diode is connected to the first power supply voltage and the anode end of the light-emitting unit and is grounded through the first capacitor; The output pin is connected to the cathode terminal of the light-emitting unit through a first inductor, the output pin is connected to the anode terminal of the second diode, the cathode terminal of the second diode is connected to a first power supply voltage, the cathode terminal of the light-emitting unit is connected to the first power supply voltage through the second capacitor, the power pin is grounded through a third capacitor, the sampling pin is grounded through a sampling module, and the ground pin is grounded.

11. The track spotlight according to claim 4, characterized in that: The main control board also includes a wireless communication module and a power supply module, and the power supply module is connected to the control module, the drive module, the wireless communication module and the light source module respectively, and is used to adapt and supply power to the control module, the drive module, the wireless communication module and the light source module; The wireless communication module is connected to the control module and is used to send a received control signal to the control module. The control module adjusts the constant current output by the driving module according to the control signal to adjust the working state of the light source module.

12. The track spotlight according to claim 11, characterized in that: The power supply module includes a power buck chip, a third resistor, a fourth resistor, a fifth resistor, a fourth capacitor, a fifth capacitor, a first electrolytic capacitor, a third diode and a second inductor; the power buck chip includes a BST pin, a GND pin, a FB pin, an EN pin, a VIN pin and a SW pin; The VIN pin is connected to the first power supply voltage and is connected to the EN pin through the third resistor, the SW pin is connected to the negative terminal of the third diode, the positive terminal of the third diode is grounded, the SW pin is grounded through the second inductor and the first electrolytic capacitor, the connecting end between the second inductor and the first electrolytic capacitor outputs the second power supply voltage, the SW pin is also connected to the BST pin through the fourth capacitor, and the fifth capacitor is connected in parallel with the first electrolytic capacitor; The FB pin is connected to a connection end between the second inductor and the first electrolytic capacitor through the fourth resistor, the FB pin is also grounded through the fifth resistor, and the GND pin is grounded.

13. The track spotlight according to claim 11, characterized in that: The wireless communication module includes a remote control communication chip, a sixth resistor, a seventh resistor, an eighth resistor, a sixth capacitor, an antenna module and an indicator light module, and the remote control communication chip includes a GND pin, a VCC pin, a data pin, an indication pin, a PD pin, a RST pin and an ANT pin; The GND pin is grounded and connected to the second power supply voltage and the VCC pin respectively through the sixth capacitor, the data pin is connected to the data communication end of the control module through the resistance module, the indication pin is connected to the indicator light module and grounded through the sixth resistor, the PD pin is grounded through the seventh resistor, the RST pin is connected to the second power supply voltage through the eighth resistor, and the ANT pin is connected to the antenna module.

Images