CN220139767U - Luminous regulating circuit of down lamp - Google Patents

Abstract

The utility model relates to the field of illumination, in particular to a down lamp luminescence adjusting circuit, which comprises a down lamp power supply, wherein the down lamp power supply is electrically connected with a first lamp group and a gear adjusting switch, the gear adjusting switch is connected with a second lamp group, a power adjusting resistor and a grounding end, and the gear adjusting switch is used for controlling the down lamp power supply to be connected with an electroplating second lamp group and controlling the power adjusting resistor to be connected with the grounding end. The utility model has the effect of being convenient for realizing the joint adjustment of the luminous angle and the luminous power of the down lamp.

Description

Luminous regulating circuit of down lamp

Technical Field

The utility model relates to the field of illumination, in particular to a down lamp luminescence adjusting circuit.

Background

The down lamp is commonly used for indoor illumination, and particularly comprises a down lamp body, wherein an outer ring LED lamp group and an inner ring LED lamp group are arranged on the down lamp body; the outer ring LED lamp group and the inner ring LED lamp group are composed of warm color LED lamps and cold color LED lamps.

A luminous angle adjusting switch is arranged on a down lamp in the prior art and is used for controlling the outer ring LED lamp group to emit light or controlling the outer ring LED lamp group and the inner ring LED lamp group to emit light simultaneously, and when the luminous angle adjusting switch only controls the outer ring LED lamp group to emit light, the down lamp can generate a first luminous angle; when the luminous angle is adjusted to turn on light and simultaneously the outer ring LED lamp group and the inner ring LED lamp group are controlled to emit light, the luminous quantity of the down lamp is increased, so that a second luminous angle larger than the first luminous angle is generated, and the adjustment of the luminous angle of the down lamp can be realized.

In carrying out the present utility model, it has been found that the above-described technique has at least the following problems: in the actual operation process, when the light-emitting angle is adjusted, the requirement of light-emitting power adjustment exists, but the requirement is limited by the structure of the down lamp in the prior art, and the button and the matched circuit for controlling the light-emitting power of the down lamp are difficult to be additionally arranged on the down lamp, so that the light-emitting angle and the light-emitting power of the down lamp in the prior art are difficult to jointly adjust.

Disclosure of Invention

In order to facilitate the common adjustment of the luminous angle and luminous power of the down lamp, the utility model provides a down lamp luminous adjusting circuit.

The utility model provides a down lamp luminescence adjusting circuit which adopts the following technical scheme:

the utility model provides a light-emitting adjusting circuit of down lamp, includes the down lamp power, the down lamp power electricity is connected with first banks and gear adjustment switch, gear adjustment switch is connected with second banks, power adjustment resistance and earthing terminal, gear adjustment switch is used for control the down lamp power is connected with electroplated second banks, still is used for control power adjustment resistance with earthing terminal is connected.

Through adopting above-mentioned technical scheme, through making gear adjustment switch control first banks and second banks be connected or not, can control the holistic luminous quantity of down lamp to realize the regulation to down lamp luminous angle, simultaneously, whether be connected with the ground connection through gear adjustment switch control power adjustment resistance, can adjust down lamp's luminous power through power adjustment resistance, so be convenient for can also realize the regulation to down lamp luminous power when carrying out down lamp luminous angle adjustment.

In a specific implementation manner, the gear adjusting switch comprises a switch body, wherein a first contact connected with the second lamp group, a second contact connected with the first contact, a third contact and a fourth contact connected with the down lamp power supply are arranged on the switch body; the switch body is provided with a first gear switch and a second gear switch, the first gear switch is used for controlling the first contact to be connected with the third contact, and the second gear switch is used for controlling the second contact to be connected with the fourth contact.

By adopting the technical scheme, when the first gear switch is driven, only the first lamp group is electrified to emit light, so that the down lamp can generate a first light-emitting angle; when the second gear is driven to turn on light, the down lamp power supply also supplies power to the second lamp group, so that the second lamp group and the first lamp group emit light together, the light-emitting quantity of the down lamp is improved, and the light-emitting angle of the down lamp is conveniently improved from the first light-emitting angle to the second light-emitting angle; so be convenient for realize the regulation of luminous angle through first gear switch and second gear switch.

In a specific embodiment, the third contact is connected to the second contact; the switch body is provided with a fifth contact, a seventh contact, an eighth contact, a ninth contact, a tenth contact and an eleventh contact, wherein the ninth contact and the tenth contact are connected with the grounding end, and the eleventh contact is connected with the power regulating resistor; the switch body is provided with a third gear switch, and the third gear switch is used for controlling the third contact to be connected with the fifth contact and controlling the ninth contact to be connected with the eleventh contact.

By adopting the technical scheme, when the third gear switch is driven, the down lamp power supply can not supply power to the second lamp group any more, so that the second lamp group can not emit light any more, and meanwhile, the power adjusting resistor is connected with the grounding end, so that the adjustment of the luminous power of the down lamp can be conveniently realized through the power adjusting resistor; therefore, the adjustment of the luminous angle and luminous power of the down lamp can be realized through the first gear switch, the second gear switch and the third gear switch.

In a specific implementation manner, the tenth contact is connected with the grounding end, the switch body is provided with a sixth contact connected with the second lamp set and a twelfth contact connected with the power adjusting resistor, and the switch body is further provided with a fourth gear switch, wherein the fourth gear switch is used for controlling the fourth contact to be connected with the sixth contact and controlling the tenth contact to be connected with the twelfth contact.

Through adopting above-mentioned technical scheme, can make power regulating switch continue to be connected with the ground connection through driving fourth gear switch, make down lamp power and second banks be connected simultaneously, so be convenient for realize the regulation to down lamp luminous angle and luminous power in step.

In a specific implementation manner, the down lamp power supply is connected with a first color temperature regulating switch, and the first color temperature regulating switch is connected with a warm color lamp and a cold color lamp, and is used for controlling the down lamp power supply to be connected with the warm color lamp, or controlling the down lamp power supply to be connected with the cold color lamp, or controlling the down lamp power supply to be connected with both the warm color lamp and the cold color lamp.

By adopting the technical scheme, the first color temperature regulating switch can enable the down lamp power supply to independently supply power to the warm color lamp or the cold color lamp, so that the down lamp independently emits warm color light or cold color light; the down lamp power supply can supply power for the warm color lamp and the cold color lamp simultaneously, so that the down lamp emits mixed light, and the three-level adjustment of the color temperature of the down lamp is convenient to realize.

In a specific implementation manner, the first color temperature regulating switch comprises a first color temperature switch body, wherein a first contact connected with the warm color lamp, a second contact connected with the down lamp power supply, a third contact connected with the warm color lamp and the cold color lamp, and a fourth contact connected with the cold color lamp are arranged on the first color temperature switch body; the first color temperature switch body is provided with a first color temperature gear switch, and the first color temperature gear switch is used for controlling the second contact to be connected with the first contact, or controlling the second contact to be connected with the third contact, or controlling the second contact to be connected with the fourth contact.

Through adopting above-mentioned technical scheme, through the connection between the three kinds of different contacts of first color temperature gear switch accessible control to realize down lamp colour temperature's tertiary regulation.

In a specific implementation manner, the down lamp power supply is connected with a second color temperature switch body, the second color temperature switch body is provided with a thirteenth contact and a fourteenth contact which are connected with each other, the thirteenth contact and the fourteenth contact are connected with a warm color lamp, the second color temperature switch body is provided with a fifteenth contact, a sixteenth contact and a twenty-second contact which are connected with each other, and the twenty-second contact is connected with the down lamp power supply; the second color temperature switch body is provided with a nineteenth contact connected with the thirteenth contact, a twentieth contact connected with the cold color lamp and a twenty-first contact connected with the down lamp power supply; the second color temperature switch body is provided with a second color temperature gear switch and a third color temperature gear switch, and the second color temperature gear switch is used for controlling the thirteenth contact to be connected with the fifteenth contact and controlling the nineteenth contact to be connected with the twenty-first contact; the third color temperature gear switch is used for controlling the fourteenth contact to be connected with the sixteenth contact and controlling the twentieth contact to be connected with the twenty-second contact.

By adopting the technical scheme, the corresponding contacts are controlled to be connected through the second color temperature gear switch, so that the down lamp can emit warm color light conveniently; the corresponding contacts are controlled to be connected through the third color temperature gear switch, so that the down lamp can emit first color mixing light conveniently.

In a specific implementation manner, a seventeenth contact, an eighteenth contact, a twenty-third contact and a twenty-fourth contact which are connected with the warm color lamp are arranged on the second color temperature switch body, the twenty-fourth contact is connected with the cold color lamp, and a current-limiting diode is connected between the cold color lamp and the twenty-fourth contact; a fourth color temperature gear switch and a fifth color temperature gear switch are arranged on the second color temperature switch body, and the fourth color temperature gear switch is used for controlling the fifteenth contact to be connected with the seventeenth contact and controlling the twenty-first contact to be connected with the twenty-third contact; the fifth color temperature gear switch is used for controlling the sixteenth contact to be connected with the eighteenth contact and controlling the twenty-second contact to be connected with the twenty-fourth contact.

Through adopting above-mentioned technical scheme, connect between the contact that corresponds through fourth colour temperature gear switch control, be convenient for make down lamp send the second kind and mix the color light, connect between the contact that corresponds through fifth colour temperature gear switch control, be convenient for make down lamp send cold color light, so, be convenient for realize the multiple colour temperature of down lamp and adjust.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the joint adjustment of the luminous angle and the luminous power of the down lamp is convenient to realize;

2. the adjustment of the luminous angle, luminous power and color temperature of the down lamp is conveniently realized through two switches;

3. and various color temperatures of the down lamp can be conveniently adjusted.

Drawings

Fig. 1 is a schematic diagram of a light emitting angle and power adjusting circuit according to an embodiment of the utility model.

Fig. 2 is a schematic structural diagram for embodying connection of the first gear switch and the corresponding contact in the embodiment of the present utility model.

Fig. 3 is a schematic structural diagram for embodying connection of the second gear switch and the corresponding contact in the embodiment of the present utility model.

Fig. 4 is a schematic structural view for embodying connection of the third gear switch and the corresponding contact in the embodiment of the present utility model.

Fig. 5 is a schematic structural view for embodying connection of the fourth gear switch and the corresponding contact in the embodiment of the present utility model.

Fig. 6 is a schematic diagram of a first color temperature adjusting circuit according to an embodiment of the utility model.

Fig. 7 is a schematic structural diagram of a first color temperature adjusting switch connected with a corresponding contact in an embodiment of the present utility model.

Fig. 8 is a schematic structural diagram of a second type of first color temperature adjusting switch connected with a corresponding contact in an embodiment of the present utility model.

Fig. 9 is a schematic structural view of a third first color temperature adjusting switch connected with a corresponding contact in an embodiment of the present utility model.

Fig. 10 is a schematic diagram of a second color temperature adjusting circuit according to an embodiment of the present utility model.

Fig. 11 is a schematic structural view for showing connection of the second color temperature gear and the corresponding contact in the embodiment of the utility model.

Fig. 12 is a schematic structural view for showing connection of the third color temperature gear and the corresponding contact in the embodiment of the present utility model.

Fig. 13 is a schematic structural view for showing connection of the fourth color temperature gear and the corresponding contact in the embodiment of the present utility model.

Fig. 14 is a schematic structural view for showing connection of the fifth color temperature gear and the corresponding contact in the embodiment of the present utility model.

Reference numerals illustrate: 1. a light emitting angle and power adjusting circuit; 11. a gear adjusting switch; 111. a switch body; 112. a first contact; 113. a second contact; 114. a third contact; 115. a fourth contact; 116. a fifth contact; 117. a sixth contact; 118. a seventh contact; 119. an eighth contact; 1110. a ninth contact; 1111. a tenth contact; 1112. an eleventh contact; 1113. a twelfth contact; 1114. a first gear switch; 1115. a second gear switch; 1116. a third gear switch; 1117. a fourth gear switch; 12. a down lamp power supply; 13. a first lamp group; 14. a second lamp group; 15. a grounding end; 16. a power adjustment resistor; 2. a first color temperature adjusting circuit; 21. a first color temperature adjusting switch; 211. a first color temperature switch body; 212. a contact number I; 213. a contact number two; 214. a contact number three; 215. a contact number four; 216. a first color temperature shift switch; 22. a warm color lamp; 23. a cold color lamp; 3. a second color temperature adjusting circuit; 31. a second color temperature adjusting switch; 311. a second color temperature switch body; 312. a thirteenth contact; 313. a fourteenth contact; 314. a fifteenth contact; 315. a sixteenth contact; 316. seventeenth contact; 317. an eighteenth contact; 318. nineteenth contact; 319. a twentieth contact; 3110. a twenty-first contact; 3111. a twenty-second contact; 3112. a twenty-third contact; 3113. a twenty-fourth contact; 3114. a second color temperature shift switch; 3115. a third color temperature shift switch; 3116. a fourth color temperature shift switch; 3117. a fifth color temperature shift switch; 32. a current limiting diode.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-14.

The embodiment of the utility model discloses a down lamp luminescence adjusting circuit, which is applied to a down lamp with two switches, wherein the two switches are respectively marked as a first switch and a second switch, the first switch is used for synchronously adjusting the luminescence angle and the luminescence power of the down lamp, and the second switch is used for adjusting the color temperature of the down lamp.

Referring to fig. 1, a down lamp light emission adjusting circuit includes a light emission angle and power adjusting circuit 1 corresponding to a first switch; specifically, the light emitting angle and power adjusting circuit 1 includes a gear adjusting switch 11 corresponding to the first switch, the gear adjusting switch 11 includes a switch body 111, the switch body 111 is provided with a first contact 112, a second contact 113, a third contact 114, a fourth contact 115, a fifth contact 116 and a sixth contact 117, a seventh contact 118, an eighth contact 119, a ninth contact 1110, a tenth contact 1111, and an eleventh contact 1112 and a twelfth contact 1113. The fourth contact 115 is connected with the down lamp power supply 12, the fourth contact 115 is also connected with the first lamp set 13, the first contact 112 is connected with the second lamp set 14, in this embodiment, the first lamp set 13 is specifically an inner ring LED lamp of the down lamp, and the second lamp set 14 is specifically an outer ring LED lamp of the down lamp; the seventh contact 118 is connected to the ground terminal 15, and the eleventh contact 1112 and the twelfth contact 1113 are commonly connected to the power adjustment resistor 16.

Referring to fig. 2, the switch body 111 is provided with a first gear switch 1114, and the first gear switch 1114 is used to control the connection of the first contact 112 to the third contact 114 and the connection of the seventh contact 118 to the ninth contact 1110.

In practice, when the first gear switch 1114 is driven, the first contact 112 is connected to the third contact 114, and the seventh contact 118 is connected to the ninth contact 1110, where the down lamp power supply 12 supplies power to only the first lamp set 13, that is, only the first lamp set 13 emits light at this time, and the light emission angle of the down lamp at this time is recorded as a first light emission angle; at this time, the power adjusting resistor 16 is not connected to the ground terminal 15, and the light emission power of the down lamp at this time is referred to as a first light emission power.

Referring to fig. 3, a second gear switch 1115 is provided on the switch body 111, and the second gear switch 1115 is used for controlling the connection of the second contact 113 and the fourth contact 115, and controlling the connection of the eighth contact 119 and the tenth contact 1111.

In implementation, after the second gear switch 1115 is driven, the second contact 113 is connected with the fourth contact 115, the eighth contact 119 is connected with the tenth contact 1111, and at this time, the down lamp power supply 12 supplies power to not only the first lamp group 13 but also the second lamp group 14, that is, at this time, the first lamp group 13 and the second lamp group 14 emit light simultaneously, so that the light emission amount of the down lamp is improved, and the range of the light emission angle is further improved on the basis of the first light emission angle, and the light emission angle of the down lamp at this time is recorded as the second light emission angle; at this time, the power adjusting resistor 16 is not connected to the ground terminal 15, and the light emitting power of the down lamp is still the first light emitting power.

Referring to fig. 4, a third gear switch 1116 is provided on the switch body 111, and the third gear switch 1116 is used for controlling the third contact 114 to be connected with the fifth contact 116, and controlling the ninth contact 1110 to be connected with the eleventh contact 1112.

In practice, when the third gear switch 1116 is driven, the third contact 114 is connected to the fifth contact 116, and the ninth contact 1110 is connected to the eleventh contact 1112, and at this time, the down lamp power supply 12 supplies power to only the first lamp group 13, so that the light emitting angle of the down lamp is the first light emitting angle; the power adjusting resistor 16 is connected to the ground terminal 15, so that the power can adjust the luminous power of the down lamp and can increase the luminous power of the down lamp, and therefore, the luminous power of the down lamp is increased compared with the first luminous power, and the luminous power at the moment is recorded as the second luminous power.

Referring to fig. 5, referring to fig. 4, a fourth gear switch 1117 is provided on the switch body 111, and a third gear switch 1116 is provided to control the fourth contact 115 to be connected to the sixth contact 117 and to control the tenth contact 1111 to be connected to the twelfth contact 1113.

In practice, when the fourth gear switch 1117 is driven, the fourth contact 115 is connected to the sixth contact 117, and the tenth contact 1111 is connected to the twelfth contact 1113, at this time, the down lamp power source 12 supplies power to not only the first lamp set 13 but also the second lamp set 14, that is, at this time, the first lamp set 13 and the second lamp set 14 emit light at the same time, so that the light emitting angle of the down lamp is the second light emitting angle; meanwhile, the power adjusting resistor 16 is still connected with the grounding terminal 15, so that the luminous power of the down lamp is the second luminous power.

In summary, the four kinds of adjustment of the light emitting angle and the light emitting power of the down lamp can be realized through one gear adjusting switch 11.

In one embodiment, referring to fig. 6, the down lamp lighting adjusting circuit includes a first color temperature adjusting circuit 2 corresponding to a second switch; specifically, the first color temperature adjusting circuit 2 includes a first color temperature adjusting switch 21 corresponding to the second switch, the first color temperature adjusting switch 21 includes a first color temperature switch body 211, and a first contact 212, a second contact 213, a third contact 214, and a fourth contact 215 are disposed on the first color temperature switch body 211; the first contact 212 is connected to the warm light 22, and in this embodiment, the warm light 22 is the warm light 22 in the first light group 13 and the second light group 14; the second contact 213 is connected to the down lamp power supply 12, the fourth contact 215 is connected to the cold lamp 23, and in this embodiment, the cold lamp 23 is the cold lamp 23 in the first lamp set 13 and the second lamp set 14; the contact No. 214 is connected to both the warm color lamp 22 and the cool color lamp 23.

Referring to fig. 7 to 9, a first color temperature gear switch 216 is disposed on the first color temperature switch body 211, and the first color temperature gear switch 216 controls the connection of the contact No. two 213 and the contact No. one 212, or controls the connection of the contact No. two 213 and the contact No. three 214, or controls the connection of the contact No. two 213 and the contact No. four 215.

In operation, referring to fig. 7, when contact No. two 213 is connected to contact No. one 212 by first color temperature range switch 216, downlight power supply 12 supplies power to warm light 22, thereby causing the downlight to emit warm light.

Referring to fig. 8, when the second contact 213 is connected to the third contact 214 by the first color temperature shift switch 216, the down lamp power supply 12 supplies power to both the warm color lamp 22 and the cool color lamp 23, so that the down lamp emits mixed color light.

Referring to fig. 9, when the second contact 213 is connected to the fourth contact 215 by the first color temperature shift switch 216, the down lamp power supply 12 supplies power to the cold color lamp 23, thereby causing the down lamp to emit cold color light.

In summary, the first color temperature adjusting switch 21 corresponding to the second switch can realize the adjustment of the color temperature of the third gear of the down lamp, so that the down lamp can emit warm color light, mixed color light or cold color light.

In another embodiment, referring to fig. 10, the down lamp lighting adjusting circuit includes a second color temperature adjusting circuit 3 corresponding to a second switch; specifically, the second color temperature adjusting circuit 3 includes a second color temperature adjusting switch 31 corresponding to the second switch, the second color temperature adjusting switch 31 includes a second color temperature switch body 311, and a thirteenth contact 312, a fourteenth contact 313, a fifteenth contact 314, a sixteenth contact 315, a seventeenth contact 316, an eighteenth contact 317, a nineteenth contact 318, a twentieth contact 319, a twenty-first contact 3110, a twenty-second contact 3111, a twenty-third contact 3112, and a twenty-fourth contact 3113 are provided on the second color temperature switch body 311; wherein thirteenth contact 312, fourteenth contact 313, seventeenth contact 316, and nineteenth contact 318 are connected together and commonly connected with warm color lamp 22; fifteenth contact 314, sixteenth contact 315, twenty-first contact 3110, and twenty-second contact 3111 are connected together, and down lamp power supply 12 is connected to twenty-second contact 3111; the eighteenth contact 317, the twenty-third contact 3112, and the twenty-fourth contact 3113 are connected together, the twenty-fourth contact 3113 is connected to the cold light 23, and a current-limiting diode 32 is connected between the cold light 23 and the second contact 113.

Referring to fig. 11 to 14, the second color temperature switch body 311 is further provided with a second color temperature shift switch 3114, a third color temperature shift switch 3115, a fourth color temperature shift switch 3116 and a fifth color temperature shift switch 3117; wherein the second color temperature shift switch 3114 is configured to control the thirteenth contact 312 to connect with the fifteenth contact 314, while controlling the nineteenth contact 318 to connect with the twenty-first contact 3110; a third color temperature shift switch 3115 is configured to control connection of fourteenth contact 313 to sixteenth contact 315 while controlling connection of twentieth contact 319 to twenty-second contact 3111; the fourth color temperature shift switch 3116 is configured to control the fifteenth contact 314 to be connected to the seventeenth contact 316, while controlling the twenty-first contact 3110 to be connected to the twenty-third contact 3112; the fifth color temperature shift switch 3117 is used to control the sixteenth contact 315 to be connected to the eighteenth contact 317, while controlling the twenty-second contact 3111 to be connected to the twenty-fourth contact 3113.

In practice, referring to fig. 11, the second color temperature shift switch 3114 is driven to connect the thirteenth contact 312 to the fifteenth contact 314 and to connect the nineteenth contact 318 to the twenty-first contact 3110, so that the down lamp power supply 12 supplies power to only the warm color lamp 22 to cause the down lamp to emit warm color light, and in this embodiment, the color temperature when the warm color lamp 22 emits light is 2700K, and since only the warm color light is emitted from the down lamp at this time, the color temperature when the down lamp emits light is 2700K.

In practice, referring to fig. 12, the third color temperature shift switch 3115 is driven so that the fourteenth contact 313 is connected to the sixteenth contact 315, while the twenty-second contact 3111 is also controlled to be connected to the twentieth contact 319, so that the down lamp power supply 12 supplies power to both the warm color lamp 22 and the cool color lamp 23, and in this example, the color temperature at which the cool color lamp 23 emits light is 6500K; since the current-limiting diode 32 limits the current flowing to the cold light 23, the current flowing to the cold light 23 is small, and therefore, the color of the first mixed light emitted from the down lamp is biased to warm light, and in actual measurement, the color temperature of the first mixed light is 3000K.

In implementation, referring to fig. 13, the fourth color temperature shift switch 3116 is driven to connect the fifteenth contact point 314 to the seventeenth contact point 316 and to connect the twenty-first contact point 3110 to the twenty-third contact point 3112, so that the down lamp power supply 12 supplies power to both the warm color lamp 22 and the cool color lamp 23, and at this time, since the current flowing to the cool color lamp 23 is not limited by the current limiting diode 32, the color of the first mixed color light emitted from the down lamp is centered, and the color temperature of the first mixed color light at this time is 4000K in actual measurement.

In practice, referring to fig. 14, the fifth color temperature shift switch 3117 is driven so that the sixteenth contact 315 is connected to the eighteenth contact 317 and the twenty-second contact 3111 is controlled to be connected to the twenty-fourth contact 3113, so that the down lamp power supply 12 supplies only the cold color lamp 23 with power to make the down lamp emit cold color light, and in this embodiment, the color temperature when the cold color lamp 23 emits light is 6500K, and since the down lamp emits only cold color light at this time, the color temperature when the down lamp emits light is 6500K.

It should be noted that only one of the first color temperature adjusting circuit 2 and the second color temperature adjusting circuit 3 and the light emitting angle and power adjusting circuit 1 coexist in the down lamp.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. A down lamp luminescence adjusting circuit is characterized in that: including down lamp power (12), down lamp power (12) electricity is even has first banks (13) and gear adjustment switch (11), gear adjustment switch (11) are connected with second banks (14), power adjustment resistance (16) and earthing terminal (15), gear adjustment switch (11) are used for control down lamp power (12) are connected with electroplating second banks (14), still are used for control power adjustment resistance (16) with earthing terminal (15) are connected.

2. The down lamp lighting adjustment circuit of claim 1, wherein: the gear adjusting switch (11) comprises a switch body (111), wherein a first contact (112) connected with the second lamp group (14), a second contact (113) connected with the first contact (112), a third contact (114) and a fourth contact (115) connected with the down lamp power supply (12) are arranged on the switch body (111); the switch body (111) is provided with a first gear switch (1114) and a second gear switch (1115), the first gear switch (1114) is used for controlling the first contact (112) to be connected with the third contact (114), and the second gear switch (1115) is used for controlling the second contact (113) to be connected with the fourth contact (115).

3. The down lamp lighting adjusting circuit according to claim 2, wherein: the third contact (114) is connected to the second contact (113); a fifth contact (116), a seventh contact (118), an eighth contact (119), a ninth contact (1110) connected with the grounding end (15), a tenth contact (1111) and an eleventh contact (1112) connected with the power regulating resistor (16) are arranged on the switch body (111); the switch body (111) is provided with a third gear switch (1116), and the third gear switch (1116) is used for controlling the third contact (114) to be connected with the fifth contact (116) and controlling the ninth contact (1110) to be connected with the eleventh contact (1112).

4. A down lamp lighting adjusting circuit as set forth in claim 3, wherein: the tenth contact (1111) is connected with the grounding end (15), a sixth contact (117) connected with the second lamp set (14) and a twelfth contact (1113) connected with the power adjusting resistor (16) are arranged on the switch body (111), a fourth gear switch (1117) is further arranged on the switch body (111), and the fourth gear switch (1117) is used for controlling the fourth contact (115) to be connected with the sixth contact (117) and controlling the tenth contact (1111) to be connected with the twelfth contact (1113).

5. The down lamp lighting adjustment circuit of claim 1, wherein: the down lamp power supply (12) is connected with a first color temperature regulating switch (21), a warm color lamp (22) and a cold color lamp (23) are connected to the first color temperature regulating switch (21), and the first color temperature regulating switch (21) is used for controlling the down lamp power supply (12) to be connected with the warm color lamp (22), or controlling the down lamp power supply (12) to be connected with the cold color lamp (23), or controlling the down lamp power supply (12) to be connected with the warm color lamp (22) and the cold color lamp (23).

6. The down lamp lighting adjustment circuit of claim 5, wherein: the first color temperature regulating switch (21) comprises a first color temperature switch body (211), wherein a first contact (212) connected with the warm color lamp (22), a second contact (213) connected with the down lamp power supply (12), a third contact (214) connected with the warm color lamp (22) and the cold color lamp (23) and a fourth contact (215) connected with the cold color lamp (23) are arranged on the first color temperature switch body (211); the first color temperature switch body (211) is provided with a first color temperature gear switch (216), and the first color temperature gear switch (216) is used for controlling the connection of the second contact (213) and the first contact (212), or controlling the connection of the second contact (213) and the third contact (214), or controlling the connection of the second contact (213) and the fourth contact (215).

7. The down lamp lighting adjustment circuit of claim 6, wherein: the down lamp power supply (12) is connected with a second color temperature switch body (311), a thirteenth contact (312) and a fourteenth contact (313) which are mutually connected are arranged on the second color temperature switch body (311), the thirteenth contact (312) and the fourteenth contact (313) are connected with a warm color lamp (22), a fifteenth contact (314), a sixteenth contact (315) and a twenty second contact (3111) which are mutually connected are arranged on the second color temperature switch body (311), and the twenty second contact (3111) is connected with the down lamp power supply (12); a nineteenth contact (318) connected with the thirteenth contact (312), a twentieth contact (319) connected with the cold color lamp (23) and a twenty-first contact (3110) connected with the down lamp power supply (12) are arranged on the second color temperature switch body (311); a second color temperature gear switch (3114) and a third color temperature gear switch (3115) are arranged on the second color temperature switch body (311), the second color temperature gear switch (3114) is used for controlling the thirteenth contact (312) to be connected with the fifteenth contact (314) and controlling the nineteenth contact (318) to be connected with the twenty-first contact (3110); the third color temperature gear switch (3115) is used for controlling connection of the fourteenth contact (313) and the sixteenth contact (315) and controlling connection of the twentieth contact (319) and the twenty-second contact (3111).

8. The down lamp lighting adjustment circuit of claim 7, wherein: a seventeenth contact (316) connected with the warm color lamp (22) is arranged on the second color temperature switch body (311), an eighteenth contact (317), a twenty third contact (3112) and a twenty fourth contact (3113) are interconnected, the twenty fourth contact (3113) is connected with the cold color lamp (23), and a current-limiting diode (32) is connected between the cold color lamp (23) and the twentieth contact (319); a fourth color temperature gear switch (3116) and a fifth color temperature gear switch (3117) are arranged on the second color temperature switch body (311), the fourth color temperature gear switch (3116) is used for controlling the fifteenth contact (314) to be connected with the seventeenth contact (316) and controlling the twenty-first contact (3110) to be connected with the twenty-third contact (3112); the fifth color temperature gear switch (3117) is used for controlling the sixteenth contact (315) to be connected with the eighteenth contact (317) and controlling the twenty-second contact (3111) to be connected with the twenty-fourth contact (3113).