Mining lamp control circuit capable of adjusting power and color temperature

Abstract

The utility model relates to the technical field of mining lamp control circuits, in particular to a mining lamp control circuit capable of adjusting power and color temperature, which comprises a dimming circuit, a power conversion circuit, an infrared control circuit and a color temperature circuit which are arranged on a mining lamp, the infrared control circuit is electrically connected with the dimming circuit, the color temperature circuit and the power output end of the mining lamp. Different powers of each path are controlled through the infrared control circuit, various different powers of the lamp can be rapidly adjusted, the working procedures are reduced, the installation steps and time of workers are greatly shortened, and the efficiency is improved; and the double-color-temperature lamp panel is manually controlled through the cooperation of the infrared control circuit and the color temperature circuit, so that the purpose of changing the original single color temperature of the lamp into one lamp with multiple color temperatures is achieved, and therefore, the requirements of using different color temperatures are met, the number of products with multiple color temperatures purchased by customers is reduced, one lamp has multiple purposes, the color temperature is quickly adjusted, and the time is greatly shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial and mining lamp control circuits, in particular to an industrial and mining lamp control circuit with adjustable power and color temperature. Background Art

[0002] The 0-10V power supply used in the industrial and mining lamps on the market is generally a 0-10V dedicated dimming line that is exposed without any controller. When dimming to different powers and brightnesses is required, an additional corresponding control system is required to achieve dimming and power adjustment. Moreover, when the industrial and mining lamps on the market require different color temperatures, one lamp uses one color temperature, or the dual-color temperature lamp panel is directly controlled by the intelligent power supply, or the external controller uses remote control, which is cumbersome to operate. Utility Model Content

[0003] In view of this, the purpose of the utility model is to provide a mining lamp control circuit with adjustable power and color temperature.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A mining lamp control circuit with adjustable power and color temperature comprises a dimming circuit, a power conversion circuit, an infrared control circuit and a color temperature circuit arranged on the mining lamp, wherein the dimming circuit is electrically connected to the power conversion circuit and the dimming line terminal of the mining lamp respectively, and the infrared control circuit is electrically connected to the dimming circuit, the color temperature circuit and the power output terminal of the mining lamp respectively.

[0006] Furthermore, it also includes an input rectification and filtering circuit and an output rectification and filtering circuit, the input rectification and filtering circuit is electrically connected to the power conversion circuit, and the output rectification and filtering circuit is electrically connected to the power conversion circuit, the dimming circuit and the color temperature circuit respectively.

[0007] Furthermore, the dimming circuit includes an LED dimming chip U2 and an optocoupler chip U4, the model of the LED dimming chip U2 is SY5867, and the model of the optocoupler chip U4 is PC817;

[0008] The VIN pin of the LED dimming chip U2 is electrically connected to the power conversion circuit, the DIMO pin of the LED dimming chip U2 is electrically connected to one end of the optocoupler chip U4, the other end of the optocoupler chip U4 is electrically connected to the power conversion circuit, and the DIMI pin of the LED dimming chip U2 is electrically connected to the infrared control circuit.

[0009] Furthermore, the power conversion circuit includes an LED driver controller chip U1, a dimming isolation LED driver chip U3 and a high-frequency transformer TR1;

[0010] The model of the LED driver controller chip U1 is SY5072, the model of the dimming isolation LED driver chip U3 is SY5882Z, and the model of the high-frequency transformer TR1 is PQ2620;

[0011] The FB pin and DRV pin of the LED driver controller chip U1 are electrically connected to the first primary winding of the high-frequency transformer TR1 respectively, the VIN pin of the dimming isolation LED driver chip U3 is electrically connected to the first primary winding and the second primary winding of the high-frequency transformer TR1 respectively, the ZCS pin of the dimming isolation LED driver chip U3 is electrically connected to the second primary winding of the high-frequency transformer TR1, and the PWM pin of the dimming isolation LED driver chip U3 is electrically connected to the other end of the optocoupler chip U4.

[0012] Furthermore, the output rectification and filtering circuit is electrically connected to the first secondary winding of the high-frequency transformer TR1.

[0013] Furthermore, the VIN pin of the LED dimming chip U2 is electrically connected to the second secondary winding of the high-frequency transformer TR1.

[0014] Furthermore, the infrared control circuit includes an MCU chip U2 and an infrared interface circuit, a step-down circuit, a voltage divider circuit and a storage circuit which are electrically connected to the MCU chip U2 respectively; the DIMI pin of the LED dimming chip U2 is electrically connected to the MCU chip U2, and the infrared interface circuit is used to be electrically connected to the infrared communication module.

[0015] Furthermore, the model of the MCU chip U2 is ME9101N SOP14, the step-down circuit includes a step-down chip U1, the model of the step-down chip U1 is BP2525D, the input end of the step-down chip U1 is connected to a 30-60V power supply, and the output end of the step-down chip U1 outputs a 5V power supply to the power supply end of the MCU chip U2; the storage circuit includes a storage chip U3, the model of the storage chip U3 is BL24C02, and the SDA pin and SCL pin of the storage chip U3 are electrically connected to the MCU chip U2 respectively.

[0016] Furthermore, it also includes a short-circuit protection circuit, which is electrically connected to the output rectification and filtering circuit.

[0017] Furthermore, the color temperature circuit includes a first lamp bead with a color temperature of 3000K and a second lamp bead with a color temperature of 5000K, and the first lamp bead and the second lamp bead are connected in parallel.

[0018] The beneficial effects of the utility model are:

[0019] The utility model provides a mining lamp control circuit with adjustable power and color temperature, including a dimming circuit, a power conversion circuit, an infrared control circuit and a color temperature circuit arranged on the mining lamp, wherein the dimming circuit is electrically connected to the power conversion circuit and the dimming line end of the mining lamp respectively, and the infrared control circuit is electrically connected to the dimming circuit, the color temperature circuit and the power output end of the mining lamp respectively. By controlling each different power through the infrared control circuit, it is possible to quickly adjust the various powers of the lamp, reduce the process, greatly shorten the steps and time of workers' installation, and improve efficiency; and the dual color temperature lamp panel can be manually controlled through the cooperation of the infrared control circuit and the color temperature circuit, so as to achieve the purpose of changing the original single color temperature of the lamp to a lamp with multiple color temperatures, thereby meeting the needs of customers for using different color temperatures, reducing the number of customers purchasing multiple color temperature products, and using one lamp for multiple purposes, quickly adjusting the color temperature, and greatly shortening the time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The figure shows a module block diagram of a mining lamp control circuit with adjustable power and color temperature according to the utility model;

[0021] Figure 2 The figure shows a circuit schematic diagram of a dimming circuit, a power conversion circuit, an input rectifying and filtering circuit, and an output rectifying and filtering circuit of a mining lamp control circuit with adjustable power and color temperature of the utility model;

[0022] Figure 3 The figure shows a circuit schematic diagram of the MCU chip U2 of the infrared control circuit of the industrial and mining lamp control circuit with adjustable power and color temperature of the utility model;

[0023] Figure 4 The figure shows a circuit schematic diagram of a step-down circuit of an infrared control circuit of a mining lamp control circuit with adjustable power and color temperature according to the utility model;

[0024] Figure 5 The figure shows a circuit schematic diagram of a storage circuit of an infrared control circuit of a mining lamp control circuit with adjustable power and color temperature according to the utility model;

[0025] Figure 6 The figure shows a partial circuit schematic diagram of a voltage divider circuit of an infrared control circuit of a mining lamp control circuit with adjustable power and color temperature according to the utility model;

[0026] Figure 7 The figure shows a partial circuit schematic diagram of a voltage divider circuit of an infrared control circuit of a mining lamp control circuit with adjustable power and color temperature according to the utility model;

[0027] Figure 8 The figure shows a circuit schematic diagram of an infrared interface circuit of an infrared control circuit of an industrial and mining lamp control circuit with adjustable power and color temperature according to the utility model;

[0028] Fig. 9 The figure shows a circuit schematic diagram of a peripheral circuit of an infrared control circuit of a mining lamp control circuit with adjustable power and color temperature according to the utility model;

[0029] Fig.10 The figure shows a circuit schematic diagram of a color temperature circuit of a mining lamp control circuit with adjustable power and color temperature according to the utility model;

[0030] Description of Figure Numbers:

[0031] 1. Dimming circuit; 2. Power conversion circuit; 3. Infrared control circuit; 4. Color temperature circuit; 5. Input rectification and filtering circuit; 6. Output filtering and rectification circuit. DETAILED DESCRIPTION

[0032] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments:

[0033] like Figure 1-Figure 10 As shown, the utility model provides a mining lamp control circuit with adjustable power and color temperature, characterized in that it includes a dimming circuit, a power conversion circuit, an infrared control circuit and a color temperature circuit arranged on the mining lamp, the dimming circuit is electrically connected to the power conversion circuit and the dimming line end of the mining lamp respectively, and the infrared control circuit is electrically connected to the dimming circuit, the color temperature circuit and the power output end of the mining lamp respectively.

[0034] From the above description, it can be seen that the utility model has the following beneficial effects:

[0035] The utility model provides a mining lamp control circuit with adjustable power and color temperature, including a dimming circuit, a power conversion circuit, an infrared control circuit and a color temperature circuit arranged on the mining lamp, wherein the dimming circuit is electrically connected to the power conversion circuit and the dimming line end of the mining lamp respectively, and the infrared control circuit is electrically connected to the dimming circuit, the color temperature circuit and the power output end of the mining lamp respectively. By controlling each different power through the infrared control circuit, it is possible to quickly adjust the various powers of the lamp, reduce the process, greatly shorten the steps and time of workers' installation, and improve efficiency; and the dual color temperature lamp panel can be manually controlled through the cooperation of the infrared control circuit and the color temperature circuit, so as to achieve the purpose of changing the original single color temperature of the lamp to a lamp with multiple color temperatures, thereby meeting the needs of customers for using different color temperatures, reducing the number of customers purchasing multiple color temperature products, and using one lamp for multiple purposes, quickly adjusting the color temperature, and greatly shortening the time.

[0036] Furthermore, it also includes an input rectification and filtering circuit and an output rectification and filtering circuit, the input rectification and filtering circuit is electrically connected to the power conversion circuit, and the output rectification and filtering circuit is electrically connected to the power conversion circuit, the dimming circuit and the color temperature circuit respectively.

[0037] Furthermore, the dimming circuit includes an LED dimming chip U2 and an optocoupler chip U4, the model of the LED dimming chip U2 is SY5867, and the model of the optocoupler chip U4 is PC817;

[0038] The VIN pin of the LED dimming chip U2 is electrically connected to the power conversion circuit, the DIMO pin of the LED dimming chip U2 is electrically connected to one end of the optocoupler chip U4, the other end of the optocoupler chip U4 is electrically connected to the power conversion circuit, and the DIMI pin of the LED dimming chip U2 is electrically connected to the infrared control circuit.

[0039] It can be seen from the above description that through the above specific circuit design, the model of the LED dimming chip U2 is SY5867, the model of the optocoupler chip U4 is PC817, and the dimming function is achieved by cooperating with each other.

[0040] Furthermore, the power conversion circuit includes an LED driver controller chip U1, a dimming isolation LED driver chip U3 and a high-frequency transformer TR1;

[0041] The model of the LED driver controller chip U1 is SY5072, the model of the dimming isolation LED driver chip U3 is SY5882Z, and the model of the high-frequency transformer TR1 is PQ2620;

[0042] The FB pin and DRV pin of the LED driver controller chip U1 are electrically connected to the first primary winding of the high-frequency transformer TR1 respectively, the VIN pin of the dimming isolation LED driver chip U3 is electrically connected to the first primary winding and the second primary winding of the high-frequency transformer TR1 respectively, the ZCS pin of the dimming isolation LED driver chip U3 is electrically connected to the second primary winding of the high-frequency transformer TR1, and the PWM pin of the dimming isolation LED driver chip U3 is electrically connected to the other end of the optocoupler chip U4.

[0043] From the above description, it can be seen that through the above specific circuit design, the model of the LED driver controller chip U1 is SY5072, the model of the dimming isolation LED driver chip U3 is SY5882Z, the model of the high-frequency transformer TR1 is PQ2620, and the power conversion function is realized by cooperating with each other.

[0044] Furthermore, the output rectification and filtering circuit is electrically connected to the first secondary winding of the high-frequency transformer TR1.

[0045] Furthermore, the VIN pin of the LED dimming chip U2 is electrically connected to the second secondary winding of the high-frequency transformer TR1.

[0046] Furthermore, the infrared control circuit includes an MCU chip U2 and an infrared interface circuit, a step-down circuit, a voltage divider circuit and a storage circuit which are electrically connected to the MCU chip U2 respectively; the DIMI pin of the LED dimming chip U2 is electrically connected to the MCU chip U2, and the infrared interface circuit is used to be electrically connected to the infrared communication module.

[0047] It can be seen from the above description that the infrared control function is realized through the above specific circuit design.

[0048] Furthermore, the model of the MCU chip U2 is ME9101N SOP14, the step-down circuit includes a step-down chip U1, the model of the step-down chip U1 is BP2525D, the input end of the step-down chip U1 is connected to a 30-60V power supply, and the output end of the step-down chip U1 outputs a 5V power supply to the power supply end of the MCU chip U2; the storage circuit includes a storage chip U3, the model of the storage chip U3 is BL24C02, and the SDA pin and SCL pin of the storage chip U3 are electrically connected to the MCU chip U2 respectively.

[0049] It can be seen from the above description that the electrical connection relationship between the step-down circuit, the storage circuit and the MCU chip U2 is realized through the above specific circuit design and the specific circuit connection method.

[0050] Furthermore, it also includes a short-circuit protection circuit, which is electrically connected to the output rectification and filtering circuit.

[0051] It can be seen from the above description that by setting up a short-circuit protection circuit, a short-circuit protection function is achieved.

[0052] Furthermore, the color temperature circuit includes a first lamp bead with a color temperature of 3000K and a second lamp bead with a color temperature of 5000K, and the first lamp bead and the second lamp bead are connected in parallel.

[0053] It can be seen from the above description that a color temperature circuit is formed through the above design.

[0054] See also Figures 1 to 10 , preferred embodiment 1:

[0055] like Figure 1As shown, the utility model provides a mining lamp control circuit with adjustable power and color temperature, including a dimming circuit, a power conversion circuit, an infrared control circuit, a color temperature circuit, an input rectifier filter circuit and an output rectifier filter circuit arranged on the mining lamp, wherein the dimming circuit is electrically connected to the power conversion circuit and the dimming line end of the mining lamp, respectively, and the infrared control circuit is electrically connected to the dimming circuit, the color temperature circuit and the power output end of the mining lamp, respectively. The input rectifier filter circuit is electrically connected to the power conversion circuit, and the output rectifier filter circuit is electrically connected to the power conversion circuit, the dimming circuit and the color temperature circuit, respectively. A short-circuit protection circuit is also included, and the short-circuit protection circuit is electrically connected to the output rectifier filter circuit.

[0056] In this embodiment, if Figure 2 As shown, the dimming circuit includes an LED dimming chip U2 and an optocoupler chip U4, the model of the LED dimming chip U2 is SY5867, and the model of the optocoupler chip U4 is PC817;

[0057] The VIN pin of the LED dimming chip U2 is electrically connected to the power conversion circuit, the DIMO pin of the LED dimming chip U2 is electrically connected to one end of the optocoupler chip U4, the other end of the optocoupler chip U4 is electrically connected to the power conversion circuit, and the DIMI pin of the LED dimming chip U2 is electrically connected to the infrared control circuit.

[0058] In the above dimming circuit, on the basis of the LED dimming chip U2 and the optocoupler chip U4, a corresponding peripheral circuit is also provided, specifically including a diode D7, a resistor R25, a resistor R28, a resistor R29, a resistor R30, a resistor R31, a resistor R35, a capacitor C19, a capacitor C20, a capacitor C21, a capacitor C22, a diode D11, a diode D13 and a resistor R37. The specific connection method is as follows: Figure 2 As shown; the specific parameters are as follows:

[0059] The model of diode D7 is ES1J; the specification of resistor R25 is 10R / 1206; the specification of resistor R28 is 1K / 0805; the specification of resistor R29 is 9.1K / 0805; the specification of resistor R30 is 220K / 0805; the specification of resistor R31 is 6.8K / 0805; the specification of resistor R35 is 100R / 0805; the specification of capacitor C19 is 100uF / 35V; the specification of capacitor C20 is 1nF / 0805 / 50V; the specification of capacitor C21 is 6.8nF / 0805 / 25V; the specification of capacitor C22 is 1nF / 0805 / 25V; the model of diode D11 is 1N4148; the resistance of resistor R37 is 20KΩ.

[0060] In this embodiment, if Figure 2As shown, the power conversion circuit includes an LED drive controller chip U1, a dimming isolation LED driver chip U3 and a high-frequency transformer TR1;

[0061] The model of the LED driver controller chip U1 is SY5072, the model of the dimming isolation LED driver chip U3 is SY5882Z, and the model of the high-frequency transformer TR1 is PQ2620;

[0062] The FB pin and DRV pin of the LED driver controller chip U1 are electrically connected to the first primary winding of the high-frequency transformer TR1 respectively, the VIN pin of the dimming isolation LED driver chip U3 is electrically connected to the first primary winding and the second primary winding of the high-frequency transformer TR1 respectively, the ZCS pin of the dimming isolation LED driver chip U3 is electrically connected to the second primary winding of the high-frequency transformer TR1, and the PWM pin of the dimming isolation LED driver chip U3 is electrically connected to the other end of the optocoupler chip U4.

[0063] In the above power conversion circuit, corresponding peripheral circuits are also provided, including diode D14, capacitor C9, capacitor C8, resistor R1, resistor R2, diode D1, inductor L2, resistor R9, resistor R10, resistor R7, resistor R6, resistor R4, resistor R13, resistor R14, resistor R15, capacitor C4, diode D15, field effect transistor Q1, diode D2, resistor R3, resistor R5, resistor R12, capacitor C1, resistor R21, resistor R23, capacitor C16, capacitor C17, resistor R18, resistor R19, Resistor R20, capacitor C11, resistor R24, diode D6, capacitor CY1, diode D9, transistor Q2, diode D10, resistor R27, capacitor C18, diode D8, resistor R26, resistor R32, resistor R33, resistor R34, resistor R36, resistor R38, resistor R39, resistor R40, resistor R41, resistor R42, resistor R43, resistor R44, resistor R45, resistor R46, resistor R47, field effect transistor Q3, diode D12, capacitor C23 and capacitor C24. The specific connection method is as follows: Figure 2 As shown;

[0064] The specific parameters are as follows:

[0065] The model of diode D14 is bav21; the specification of capacitor C9 is 10nF / 25V; the specification of capacitor C8 is 220nF / 25V; the specifications of resistors R1 and R2 are both 300K / 1206; the model of diode D1 is 1N4007; the model of inductor L2 is PQ2020; the specification of resistor R9 is 10K / 0805; the specification of resistor R10 is 100R; the specification of resistor R7 is 10R; the specification of resistor R6 is 47R; the specification of resistor R4 is 10K / 1206; the specification of resistor R13 is 1.2R / 1206; the specification of resistor R14 is 1.6R / 1206; the specification of resistor R15 is 1.6R / 1206; the specification of capacitor The specification of C4 is 10pF / 1KV; the model of diode D15 is bav21; the model of field effect tube Q1 is 10N60; the model of diode D2 is MUR460; the specifications of resistors R3 and R5 are both 1.5M / 1206; the specification of resistor R12 is 9.1K / 0805; the specification of capacitor C1 is 33uF / 450V; the specifications of resistors R21 and R23 are both 510K / 1206; the specification of capacitor C16 is 1uF / 1206 / 50V; the specification of capacitor C17 is NC; the specifications of resistors R18, R19 and R20 are all 150K / 1206; the specification of capacitor C11 is 2.2nF / 1206 / 2 00V; the specification of resistor R24 ​​is 10R / 1206; the model of diode D6 is RS1M; the specification of capacitor CY1 is 102 / 275VAC; the model of diode D9 is bav21; the model of transistor Q2 is 2N3904; the specification of diode D10 is 10V; the specification of resistor R27 is 33K / 0805; the specification of capacitor C18 is 0.47uF / 0805 / 50V; the model of diode D8 is BAV21W; the specification of resistor R26 is 5.1R / 1206; the specification of resistor R32 is 100K / 1206; the specification of resistor R33 is 100R / 0805; the specification of resistor R34 is 27R / 0805; the specification of resistor The specification of R36 is 10K / 0805; the specification of resistor R38 is 100K / 1206; the specification of resistor R39 is NC; the specification of resistor R40 is 51R / 0805; the specifications of resistor R41, resistor R42, resistor R43 and resistor R44 are all 0.47R / 1210 / 1%; the specification of resistor R45 is 8.2K / 0805; the specification of resistor R46 is 2.4K / 1206; the specification of resistor R47 is 1K / 0805; the model of field effect tube Q3 is 10N65; the model of diode D12 is BAV21W; the specification of capacitor C23 is 1uF / 0805; the specification of capacitor C24 is 10nF / 0805 / 6.3V.

[0066] like Figure 2As shown, the output rectifier filter circuit is electrically connected to the first secondary winding of the high-frequency transformer TR1. The first secondary winding of the high-frequency transformer TR1 is specifically the windings marked 8 and 9;

[0067] In this embodiment, if Figure 2 As shown, the output rectifier filter circuit is composed of a resistor R16, a resistor R17, a capacitor C10, a diode D5, a capacitor C13, a capacitor C12 and a resistor R22. The specific connection method is as follows Figure 2 As shown. Resistors R16, R17 and C10 are all set to NC; the model of diode D5 is STTH1003SFP; the specification of capacitor C13 is 470uF / 63V; capacitor C12 is set to NC; the specification of resistor R22 is 51K / 1206;

[0068] The VIN pin of the LED dimming chip U2 is electrically connected to the second secondary winding of the high-frequency transformer TR1. The second secondary winding of the high-frequency transformer TR1 is specifically the windings 6 and 7. A diode D7, a resistor R25, a resistor R28, a capacitor C19, a capacitor C20 and a resistor R30 are also provided on the electrical connection path between the VIN pin of the LED dimming chip U2 and the second secondary winding of the high-frequency transformer TR1. The specific connection method is as follows: Figure 2 As shown; the model of diode D7 is ES1J; the specification of resistor R25 is 10R / 1206; the specification of resistor R28 is 1K / 0805; the specification of capacitor C19 is 100uF / 35V; the specification of capacitor C20 is 1nF / 0805 / 50V; the specification of resistor R30 is 220K / 0805.

[0069] like Figures 3 to 9 As shown, the infrared control circuit includes an MCU chip U2 and an infrared interface circuit, a step-down circuit, a voltage divider circuit and a storage circuit which are electrically connected to the MCU chip U2 respectively; the DIMI pin of the LED dimming chip U2 is electrically connected to the MCU chip U2, and the infrared interface circuit is used to be electrically connected to the infrared communication module.

[0070] like Figure 3 The model of the above-mentioned MCU chip U2 is ME9101N SOP14, the buck circuit includes a buck chip U1, the model of the buck chip U1 is BP2525D, the input end of the buck chip U1 is connected to a 30-60V power supply, and the output end of the buck chip U1 outputs a 5V power supply to the power supply end of the MCU chip U2; the storage circuit includes a storage chip U3, the model of the storage chip U3 is BL24C02, and the SDA pin and the SCL pin of the storage chip U3 are electrically connected to the MCU chip U2 respectively.

[0071] The above infrared control circuit is also provided with corresponding peripheral circuits, which are as follows:

[0072] A capacitor C300 is connected in series between the VDD pin and the VSS pin of the MCU chip U2. The specification of the capacitor C300 is 0603 / 0.1uF / 50V / 10%;

[0073] like Figure 4 The step-down circuit also includes an inductor L1, a diode D100, a capacitor CE100, a capacitor C200, a resistor R100, a capacitor C100, an inductor L200, a diode D200, a diode D600, a capacitor CE200 and a resistor R200, and the specific connection method is shown in the figure. The specification of inductor L1 is ACM9070-301-2T / 300R / 6A; the specification of diode D100 is SMAF M7 1A / 1000V; the specification of capacitor CE100 is 8*10MM 22uF / 100V; the specification of capacitor C200 is 100nF / 100V; the specification of resistor R100 is 0R4; the specification of capacitor C100 is 1uF / 16V; the specification of inductor L200 is GR6045 470uH; the model of diode D200 is ES1J; the specification of diode D600 is A7 SOD-123 1A / 1000V; the specification of capacitor CE200 is 6.3*10MM 220uF / 16V; the resistance value of resistor R200 is 22KΩ;

[0074] like Figure 8 The infrared interface circuit also includes resistor R1000, resistor R1100 and capacitor C700, and the specific connection method is shown in the figure; the specification of resistor R1000 is 0603 12k 1%; the specification of resistor R1100 is 0603 47R 1%; the specification of capacitor C700 is 0805 22uF / 16V 10%;

[0075] like Figure 5 The storage circuit also includes a capacitor C3A, a resistor R1400 and a resistor R1500, and the specific connection method is shown in the figure; the specification of the capacitor C3A is 0603 0.1UF / 50V 10%; the specification of the resistor R1400 is 0603 10K 5%; the specification of the resistor R1500 is 0603 10K 5%;

[0076] like Figure 6 , Figure 7 and Fig. 9, the peripheral circuit also includes a resistor R400, a resistor R4A, a resistor R700, a resistor R7A, a diode Z100, a capacitor C500, a resistor R1200, a resistor R1700, a resistor R1800, a field effect transistor Q200, a transistor Q500, a resistor R1300, a resistor R1600, a resistor R1900, a field effect transistor Q300, a transistor Q400, a diode D300, a resistor R300, a resistor R500, a resistor R800, a resistor R2400, a resistor R2000, a resistor R2200, a resistor R2500, a resistor R2100, a resistor R2300, a transistor Q100 and a transistor Q600, and the specific connection method is shown in the figure;

[0077] Among them, the specifications of resistor R400, resistor R4A, resistor R700, and resistor R7A are all 1206 1.5K 5%; the specification of diode Z100 is SOD-123BZT52C11; the specification of capacitor C500 is 0805 4.7uF / 50V X7R; the resistance of resistor R1200 is 4.7KΩ; the resistance of resistor R1700 is 1KΩ; the resistance of resistor R1800 is 10KΩ; the specification of field effect tube Q200 is 17N / 100V TO-252NCE0117K; the specification of transistor Q500 is NCE2312A SOT-23; the resistance of resistor R1300 is 4.7KΩ; the resistance of resistor R1600 is 1KΩ; the resistance of resistor R1900 is 10KΩ; the specification of field effect tube Q300 is 17N / 100V TO-252NCE0117K; the specification of transistor Q400 is NCE2312A SOT-23;

[0078] like Fig. 9 , the specification of diode D300 is T4 SOD-323 1 / 100V; the resistance value of resistor R300 is 3KΩ; the resistance value of resistor R500 is 10KΩ; the specification of resistor R800 is 470R; the resistance value of resistor R2400 is 1KΩ; the resistance value of resistor R2000 is 1KΩ; the resistance value of resistor R2200 is 10KΩ; the resistance value of resistor R2500 is 4.3KΩ; the resistance value of resistor R2100 is 1KΩ; the resistance value of resistor R2300 is 10KΩ; the specification of transistor Q100 is NCE2312A SOT-23; the specification of transistor Q600 is NCE2312A SOT-23;

[0079] like Fig.10 As shown, the color temperature circuit includes a first lamp bead with a color temperature of 3000K and a second lamp bead with a color temperature of 5000K, and the first lamp bead and the second lamp bead are connected in parallel.

[0080] The present invention has been described by the above-mentioned relevant embodiments and drawings, but the above-mentioned embodiments are only examples for implementing the present invention. It must be pointed out that the disclosed embodiments do not limit the scope of the present invention. On the contrary, modifications and equivalent settings included in the spirit and scope of the claims are included in the scope of the present invention.

Claims

1. A mining lamp control circuit with adjustable power and color temperature, characterized in that: The invention comprises a dimming circuit, a power conversion circuit, an infrared control circuit and a color temperature circuit arranged on the mining lamp. The dimming circuit is electrically connected to the power conversion circuit and the dimming line terminal of the mining lamp respectively, and the infrared control circuit is electrically connected to the dimming circuit, the color temperature circuit and the power output terminal of the mining lamp respectively.

2. The power and color temperature adjustable mining lamp control circuit according to claim 1, characterized in that: It also includes an input rectifying and filtering circuit and an output rectifying and filtering circuit. The input rectifying and filtering circuit is electrically connected to the power conversion circuit, and the output rectifying and filtering circuit is electrically connected to the power conversion circuit, the dimming circuit and the color temperature circuit respectively.

3. A mining lamp control circuit with adjustable power and color temperature according to claim 2, characterized in that: The dimming circuit includes an LED dimming chip U2 and an optocoupler chip U4, the model of the LED dimming chip U2 is SY5867, and the model of the optocoupler chip U4 is PC817; The VIN pin of the LED dimming chip U2 is electrically connected to the power conversion circuit, the DIMO pin of the LED dimming chip U2 is electrically connected to one end of the optocoupler chip U4, the other end of the optocoupler chip U4 is electrically connected to the power conversion circuit, and the DIMI pin of the LED dimming chip U2 is electrically connected to the infrared control circuit.

4. A mining lamp control circuit with adjustable power and color temperature according to claim 3, characterized in that: The power conversion circuit includes an LED drive controller chip U1, a dimming isolation LED driver chip U3 and a high-frequency transformer TR1; The model of the LED driver controller chip U1 is SY5072, the model of the dimming isolation LED driver chip U3 is SY5882Z, and the model of the high-frequency transformer TR1 is PQ2620; The FB pin and DRV pin of the LED driver controller chip U1 are electrically connected to the first primary winding of the high-frequency transformer TR1 respectively, the VIN pin of the dimming isolation LED driver chip U3 is electrically connected to the first primary winding and the second primary winding of the high-frequency transformer TR1 respectively, the ZCS pin of the dimming isolation LED driver chip U3 is electrically connected to the second primary winding of the high-frequency transformer TR1, and the PWM pin of the dimming isolation LED driver chip U3 is electrically connected to the other end of the optocoupler chip U4.

5. The power and color temperature adjustable mining lamp control circuit according to claim 4, characterized in that: The output rectification and filtering circuit is electrically connected to the first secondary winding of the high-frequency transformer TR1.

6. A mining lamp control circuit with adjustable power and color temperature according to claim 4, characterized in that: The VIN pin of the LED dimming chip U2 is electrically connected to the second secondary winding of the high-frequency transformer TR1.

7. The power and color temperature adjustable mining lamp control circuit according to claim 3, characterized in that: The infrared control circuit includes an MCU chip U2 and an infrared interface circuit, a step-down circuit, a voltage divider circuit and a storage circuit electrically connected to the MCU chip U2 respectively; the DIMI pin of the LED dimming chip U2 is electrically connected to the MCU chip U2, and the infrared interface circuit is used to be electrically connected to the infrared communication module.

8. The power and color temperature adjustable mining lamp control circuit according to claim 7, characterized in that: The model of the MCU chip U2 is ME9101N SOP14, the buck circuit includes a buck chip U1, the model of the buck chip U1 is BP2525D, the input end of the buck chip U1 is connected to a 30-60V power supply, and the output end of the buck chip U1 outputs a 5V power supply to the power supply end of the MCU chip U2; the storage circuit includes a storage chip U3, the model of the storage chip U3 is BL24C02, and the SDA pin and SCL pin of the storage chip U3 are electrically connected to the MCU chip U2 respectively.

9. The power and color temperature adjustable mining lamp control circuit according to claim 2, characterized in that: It also includes a short-circuit protection circuit, which is electrically connected to the output rectification and filtering circuit.

10. The power and color temperature adjustable mining lamp control circuit according to claim 1, characterized in that: The color temperature circuit includes a first lamp bead with a color temperature of 3000K and a second lamp bead with a color temperature of 5000K, and the first lamp bead and the second lamp bead are connected in parallel.

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